WO2020221370A1 - 缝合线释放机构、穿刺芯组件、穿刺器及其使用方法 - Google Patents

缝合线释放机构、穿刺芯组件、穿刺器及其使用方法 Download PDF

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Publication number
WO2020221370A1
WO2020221370A1 PCT/CN2020/088552 CN2020088552W WO2020221370A1 WO 2020221370 A1 WO2020221370 A1 WO 2020221370A1 CN 2020088552 W CN2020088552 W CN 2020088552W WO 2020221370 A1 WO2020221370 A1 WO 2020221370A1
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WIPO (PCT)
Prior art keywords
suture
puncture
assembly
component
release
Prior art date
Application number
PCT/CN2020/088552
Other languages
English (en)
French (fr)
Inventor
孙宝峰
黄晔
Original Assignee
江苏风和医疗器材股份有限公司
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Filing date
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Application filed by 江苏风和医疗器材股份有限公司 filed Critical 江苏风和医疗器材股份有限公司
Priority to CA3138816A priority Critical patent/CA3138816A1/en
Priority to JP2021565130A priority patent/JP7309914B2/ja
Priority to BR112021021943A priority patent/BR112021021943A2/pt
Priority to KR1020217039692A priority patent/KR20220011654A/ko
Priority to EP20798107.7A priority patent/EP3970644A4/en
Priority to US17/608,169 priority patent/US20220240917A1/en
Priority to MX2021013453A priority patent/MX2021013453A/es
Publication of WO2020221370A1 publication Critical patent/WO2020221370A1/zh
Priority to IL287714A priority patent/IL287714A/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/0057Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0469Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0482Needle or suture guides
    • AHUMAN NECESSITIES
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    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0491Sewing machines for surgery
    • AHUMAN NECESSITIES
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    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/06Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • AHUMAN NECESSITIES
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    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • AHUMAN NECESSITIES
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    • A61B17/3462Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • AHUMAN NECESSITIES
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    • A61B2017/00637Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for sealing trocar wounds through abdominal wall
    • AHUMAN NECESSITIES
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    • A61B2017/00646Type of implements
    • A61B2017/00663Type of implements the implement being a suture
    • AHUMAN NECESSITIES
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    • A61B17/0401Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/0409Instruments for applying suture anchors
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    • A61B17/0469Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
    • A61B2017/047Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery having at least one proximally pointing needle located at the distal end of the instrument, e.g. for suturing trocar puncture wounds starting from inside the body
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    • A61B17/06Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • A61B2017/06057Double-armed sutures, i.e. sutures having a needle attached to each end
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421Cannulas
    • A61B2017/3445Cannulas used as instrument channel for multiple instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
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    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B2017/3454Details of tips
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B2017/3454Details of tips
    • A61B2017/346Details of tips with wings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3462Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • A61B2017/3464Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals with means acting on inner surface of valve or seal for expanding or protecting, e.g. inner pivoting fingers
    • AHUMAN NECESSITIES
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    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B2017/348Means for supporting the trocar against the body or retaining the trocar inside the body

Definitions

  • the invention relates to a suture release mechanism for a puncture core component, a puncture core component, a sutureable puncture device having the puncture core component, and a use method of the sutureable puncture device, belonging to the field of medical equipment.
  • the trocar can establish an access channel in the cavity wall of the human body to allow the stapler or other surgical instruments (such as endoscopes) to enter the body cavity and provide gas in and out Channel for inspection or surgical operation.
  • stapler or other surgical instruments such as endoscopes
  • the puncture device includes a puncture core assembly and a sleeve assembly.
  • the doctor generally makes a small incision in the patient's body tissue, and then aligns the puncture tip of the puncture core assembly with the small incision while reciprocating left and right while moving the trocar downwards so that the puncture core assembly guides the sleeve
  • the component passes through the skin layer of the patient's human tissue; then the puncture core component is pulled out, and the stapler or other surgical instruments can be operated in and out of the patient's body cavity through the sleeve component.
  • the existing puncture core assembly only performs a puncture function, and is discarded after the guide sleeve assembly enters the patient's body from the incision in the human abdomen.
  • a trocar with suture function needs to contain the suture thread in the puncture core assembly so that the suture thread follows the puncture core component into the puncture port.
  • Chinese Patent Application No. CN201811283165.9 discloses a trocar with suture function, which includes a puncture And a suture assembly inserted into the puncture sleeve.
  • the suture assembly includes an outer tube and a push rod; the head of the outer tube has a gear with a hook, and the head of the gear hook has a needle;
  • the side hole has sutures of corresponding specifications; the head of the push rod has a rack that is matched with the gear with a hook; the cooperation of the rack and the gear with a hook can realize the arc-shaped rotation of the needle.
  • the push rod presses the hook to open and then closes it, the needle passes through the suture site and is inserted into the symmetrical hole of the trocar sleeve head, and then the suture assembly is opened, the needle is separated from the hook, and the suture thread head is left on the trocar side Inside the wall.
  • the trocar of Chinese Patent Application No. CN201811283165.9 has sutures scattered outside the side wall of the trocar, which is not conducive to storage.
  • the present invention provides a suture release mechanism for a puncture core component, a puncture core component, and a puncture device with the puncture core component.
  • a suture release mechanism for a puncture core assembly includes a release execution component, the release execution component includes a fixing member and a puncture tip, the puncture tip has a receiving portion, and the release execution component has In the initial state and the released state, in the initial state, the accommodating portion accommodates part of the fixing member, and a closed suture storage space is formed between the puncture tip and the portion of the fixing member, State, the suture storage space is exposed.
  • the puncture tip moves along the axial direction of the puncture core assembly, so that the portion of the fixing member is contained in the receiving member or at least a part of the portion of the fixing member is removed from the The accommodating part is moved out, so that the release execution component is switched between the initial state and the release state.
  • the release execution assembly further includes a lock cylinder fixed relative to the puncture tip
  • the suture release mechanism further includes a release transmission assembly that drives the lock cylinder to move axially, and the lock cylinder The axial movement drives the puncture tip to move axially.
  • the lock core includes a hook
  • the fixing member includes a first clamping portion and a second clamping portion, and the first clamping portion and the second clamping portion are spaced apart in the axial direction;
  • the hook is mated with the first clamping portion, so that the release actuator is kept in the initial state;
  • the hook is mated with the second clamping portion, so that the release actuator is kept at The released state.
  • an axial guide mechanism is provided between the lock core and the fixing member.
  • the release transmission assembly includes a transmission rod, and the transmission rod abuts against the lock core to push the lock core to move axially.
  • the lock core is provided with an opening groove, the opening groove extends from the proximal end of the lock core in a direction toward the distal end, the distal end of the opening groove is closed to form a distal surface, and the transmission rod The distal end abuts against the distal surface of the opening groove to push the lock cylinder to move axially.
  • the transmission rod abuts against the lock core detachably in the axial direction.
  • the fixing member is provided with an axially extending through hole, and the lock cylinder is movably received in the through hole.
  • distal portion of the lock core located outside the through hole is fixedly connected to the puncture tip.
  • a puncture core assembly which includes the suture release mechanism described in any one of the above.
  • the suture release mechanism includes a release operation assembly
  • the puncture core assembly further includes a suture mechanism
  • the suture mechanism includes a suture operation assembly
  • the release operation assembly and the suture operation assembly are the same operation assembly.
  • the puncture core assembly further includes a suture needle fixing mechanism
  • the suture needle fixing mechanism includes a suture needle fixing operation assembly
  • the suture needle fixing operation assembly the suture operation assembly
  • the suture operation assembly the suture operation assembly
  • the release operation assembly are the same operation Components.
  • the same operating assembly includes a misoperation prevention mechanism
  • the misoperation prevention mechanism includes a first component and a second component
  • the first component includes an adjustment block and a spring
  • one end of the spring abuts against the adjustment block
  • the other end abuts against the other adjusting block or abutting against the other part of the first part except the adjusting block
  • the second part includes a blocking part
  • the blocking part has a first guiding inclined surface
  • the adjusting block has The second guiding inclined surface; in the initial position, the first guiding inclined surface abuts the second guiding inclined surface, when the force of the first component is not enough to overcome the elastic force of the spring, the blocking
  • the part abuts the adjusting block to prevent the first part from being misoperated and moving relative to the second part; when the operating force is increased, the force overcomes the elastic force of the spring to make the adjusting block move along the guide
  • the inclined surface moves toward the other adjustment block or the other part of the first part.
  • the suture release mechanism includes a suture release transmission assembly
  • the puncture core assembly further includes a suture mechanism
  • the suture mechanism includes a suture transmission assembly
  • the suture release transmission assembly and the suture transmission assembly share transmission
  • the transmission rod includes a suture driving part and a suture release driving part
  • the suture driving part is a tooth section arranged on the side of the transmission rod
  • the suture release driving part is the distal end of the transmission rod .
  • a sutureable puncture device comprising a puncture core component and a sleeve component, the puncture core component is removably sleeved on the sleeve component; the puncture core component is the puncture core component according to any one of the above .
  • a method for using a sutureable puncture device comprising a puncture core component and a sleeve component, the puncture core component is removably sleeved on the sleeve component, the puncture core component includes a first The operating component, the second operating component, the third operating component, the positioning blade, the suture, and the suture thread.
  • the suture includes a suture needle;
  • the puncture core component includes a puncture tip and a fixing member, the puncture tip and the fixing
  • a suture storage space is formed between the pieces, and the using method includes the following steps:
  • Step S1 Operate the first operating assembly to make the positioning blades rotate outwards and make the positioning blades protrude from the outer surface of the puncture core assembly;
  • Step S2 Operate the second operating component to make the suture rotate
  • Step S3 Operate the second operating component, so that the suture thread stored in the suture thread storage space is released;
  • Step S4 Operate the third operating component, and the suture needle is clamped.
  • the operation is rotation.
  • step S1 further includes: after the positioning blade rotates outward, the suture channel is exposed.
  • step S2 and the step S3 the operations are all pressing.
  • the second operating component includes a pressing cover; the step S3 further includes: pressing the pressing cover to move downward, and the pressing cover moves downward to drive the puncture tip to move downward, thereby causing the The suture storage space is exposed; the rotation of the suture needle and the exposure of the suture storage space start to execute synchronously.
  • step S1 and step S2 it further includes step S11: pulling up the puncture core assembly or the sutureable puncture, and the positioning blade realizes positioning.
  • step S4 further includes: pressing the third operating component to push the third transmission component, the third transmission component pushes the movable part to move downward, and the slit of the movable part clamps the Suture needle.
  • the use method further includes the following steps:
  • Step S5 Operate the second operating component to make the suture return
  • Step S6 Operate the second operating component to close the suture storage space
  • Step S7 Operate the first operating component to make the positioning blade rotate inward
  • Step S8 Pull up the puncture core assembly or the sutureable puncture device.
  • step S5 and the step S6 the operations are all pulling.
  • the operation is rotation.
  • the second operating assembly includes a pressing cap; the step S6 further includes: pulling the pressing cap to move upward, and the pressing cap moves upward to drive the puncture tip to move upward so that the suture thread The storage space is closed.
  • the beneficial effect of the present invention is that since the fixing member is provided, in the initial state, by forming a closed suture storage space between the fixing member and the puncture tip, when the puncture core assembly is not performing a suture action , The suture can be well stored in the suture storage space, avoiding the scattered sutures from affecting the normal operation of the operation. Moreover, the suture thread is stored in the space between the fixing member and the puncture tip, without changing the shape of the puncture tip, and will not adversely affect the operation of the puncture tip to pierce the patient's skin.
  • Fig. 1 is a schematic structural diagram of a puncture device provided by a first embodiment of the present invention
  • Figure 2 is a schematic structural view of the puncture core assembly provided by the present invention.
  • Figure 3 is an exploded view of Figure 2;
  • Figure 4 is a schematic diagram of the structure of components required to achieve positioning when positioning is not performed
  • Figure 5 is a schematic diagram of the connection between the swivel and the positioning member
  • Figure 6 is a schematic diagram of the structure of the required components to achieve positioning after positioning
  • Fig. 7 is a schematic diagram of the structure of the moving parts driven by the gland
  • Figure 8 is a schematic structural view of the gland from an angle
  • FIG. 9 is a schematic diagram of another angle structure of FIG. 8;
  • Figure 10 is a schematic diagram of the structure of the adjustment frame and the adjustment block
  • Figure 11 is a schematic diagram of the suture assembly when the needle is not ejected
  • Figure 12 is a schematic diagram of the structure of the receiver
  • Figure 13 is a schematic diagram of the puncture core assembly when the needle ejecting action, the needle receiving action, and the suture releasing action are completed;
  • Figure 14 is a cross-sectional view of the puncture core assembly in the state of Figure 12;
  • 15 is a schematic diagram of the structure of the components required to realize the needle receiving action and the needle fixing action;
  • Figure 16 is a schematic diagram of the structure when the drive platen is in the second position
  • Figure 17 is a schematic diagram of the needle fixing assembly when the needle fixing is completed
  • Figure 18 is a schematic diagram of the structure of the puncture core assembly after the suture assembly is reset.
  • FIG. 19 is a perspective exploded view of the puncture core assembly provided by the second embodiment of the present invention.
  • Figure 20 is a perspective exploded view of some parts of the puncture core assembly shown in Figure 19 from another angle;
  • Figure 21 is a partial cross-sectional view of the puncture core assembly shown in Figure 19, at this time, the release actuator is in an initial state;
  • Fig. 22 is another partial cross-sectional view of the puncture core assembly shown in Fig. 19, at this time, the release execution assembly is in a released state;
  • 42-Second Transmission Assembly 421-Adjusting Frame, 4212-Guide Slot, 422-Adjusting Block, 422a-Second Guide Slope, 4221-Guide Bump, 4222-Anti-swaying convex strip, 423-Elastic part, 424-drive rod, 424a-proximal end, 424b-distal, 425-rack, 425a-upper tooth section, 425b-lower tooth section,
  • 5-support component 5'-upper part, 5"-lower part, 51-first support, 511-giving space, 52-second support, 53-suture channel, 54-giving groove , 541, 542-slot wall, 55-accommodating hole,
  • 61-positioning component 611-assisting arm, 6111-waist groove, 612-pivoting shaft, 613-positioning blade, 614-projection,
  • 62-suturing assembly 621, 622-suturing, 623-gear, 624-rotating shaft, 625-first suture arm, 626-second suture arm, 627-suture needle,
  • 63-receiving component 631, 632-receiving piece, 6311-receiving part, 6312-holding part, 6313-receiving piece, 6314-blocking arm,
  • 64-Needle fixing assembly 641, 642-movable part, 641a-limiting slit,
  • 9-cover body 9-round hole, 92-circumferential through hole.
  • connection includes direct connection and indirect connection.
  • Connection includes fixed connection, movable connection, detachable connection, etc., unless specifically defined otherwise.
  • the puncture device includes a sleeve assembly (not labeled) and a puncture core assembly partially sleeved in the sleeve assembly.
  • the puncture core assembly includes an operating component 1, abutting plate 2, a rod wall tube 3, a transmission component 4, a supporting component 5, an executive component 6, a puncture tip 7, an insert block component 8, and a cover 9.
  • the cover 9 covers the upper surface of the abutment disc 2 to prevent foreign matter from falling into the abutment disc 2 and affect the realization of the function of the piercing core assembly.
  • a cylinder 91 is arranged in the center of the cover 9. The cylinder 91 is sleeved outside the operating assembly 1.
  • the part of the operating assembly 1 exposed on the cylinder 91 can be manipulated by a doctor. Inside the cylinder 91, the operating assembly 1 is connected with the transmission assembly 4. A central through hole 21 coaxial with the cylinder 91 is opened in the center of the abutment plate 2, and the transmission assembly 4 is penetrated through the central through hole 21. Below the transmission assembly 4 is a support assembly 5, and the support assembly 5 is used to support and protect the executive assembly 6.
  • the support assembly 5 includes two support members with the same structure, a first support member 51 and a second support member 52, respectively.
  • a rod wall tube 3 is sleeved on the outside of the transmission assembly 4, the proximal end of the rod wall tube 3 is connected to the lower surface of the abutment plate 2 and the rod wall tube 3 is coaxial with the central through hole 21, and the distal end of the rod wall tube 3 surrounds the support assembly 5
  • the upper part 5' is fixedly connected to the upper part 5'.
  • the lower half 5" of the support assembly 5 is exposed between the rod wall tube 3 and the piercing tip 7, and the outer surface of the lower half 5" is flush with the outer surface of the rod wall tube 3, so that the piercing core assembly can be unimpeded In and out of the puncture port.
  • the outer surface of the rod wall tube 3 is the outer surface of the piercing core assembly.
  • the end face of the distal end of the rod wall tube 3 extends downward to form two symmetrical deformable pieces 32, and the upper half 5'and the lower half 5" have a recess 54 at the junction, as shown in Figures 4 and 6,
  • the groove wall 541 of the relief groove 54 is located between the distal end surface of the deformable piece 32 and the distal end surface of the rod wall tube 3.
  • the relief groove 54 There is a space for the deformable piece 32 to bend.
  • a deforming tool is used to bend the deformable piece 32 inward to form a hook (not shown), and the hook is abutted with the groove wall 541, so that the groove wall 541 prevents the hook Axial movement, thereby preventing the rod wall tube 3 from moving axially.
  • the rod wall tube 3 is provided with at least one first pin hole (not shown), and the upper half of the support assembly 5 is provided with at least one second pin hole ( Not shown), when the rod wall tube 3 is sleeved on the outer side of the upper half of the support assembly 5, the first pin hole and the second pin hole are made coaxial, and a fixing pin (not shown) is used to insert the coaxial first
  • the pin hole and the second pin hole fix the rod wall tube 3 to the upper part of the support assembly 5, thereby connecting the rod wall tube 3 and the support assembly 5.
  • the rod wall tube 3 is sleeved with a sleeve assembly, and the sleeve The proximal end of the component is detachably connected with the lower surface of the abutment plate 2.
  • the plug component 8 is used to realize the detachable connection, and the plug component 8 includes two symmetric plug pieces (not labeled), each plug piece
  • the components include a button 81, a hook 82 and a spring 83.
  • the button 81 is movably connected to the top of the abutment plate 2, and the hook 82 is fixedly connected to the button 81 and extends from the button 81 to below the abutment plate 2.
  • the spring 83 is located in the cover 9 , One end abuts against the button 81, and the other end abuts against the vertical part of the abutment plate 2.
  • the hook 82 can be engaged with the sleeve assembly, and the button 81 and the spring 83 are used to move the hook 82 so that the hook 82 Disengaged from the sleeve assembly, thereby separating the abutment plate 2 from the proximal end of the sleeve assembly.
  • the insert block assembly 8 is a prior art and will not be repeated. In the present invention, based on the positional relationship shown in FIG. The end of the core assembly where the piercing tip 7 is located is called the distal end or the lower end, the end of the piercing core assembly where the operating assembly 1 is located is called the proximal end or the upper end, and the side close to the central axis of the rod wall tube 3 is called the inner side.
  • the side away from the central axis of the rod wall tube 3 is called the outside, the radial direction of the rod wall tube 3 is called the radial direction, the direction of the center axis of the rod wall tube 3 is called the axial direction, and the direction perpendicular to the axial direction is called the transverse direction.
  • the transverse direction includes the radial direction, the direction perpendicular to the center axis of the rod wall tube 3 and parallel to the circumference of the rod wall tube 3 is defined as the circumferential direction, and the surface parallel to the circumferential direction is defined as the circumferential surface.
  • the center of the rod wall tube 3 The axis is the central axis of the piercing core assembly.
  • the above-mentioned directions of the rod wall tube 3 are the corresponding directions of the piercing core assembly, and the above-mentioned faces of the rod wall tube 3 are corresponding faces of the piercing core assembly.
  • the outer side of the piercing core assembly The surface refers to the outer surface of the rod wall tube 3.
  • the doctor first makes a small incision in the patient's abdomen, uses the puncture tip 7 of the puncture core assembly provided by the present invention to puncture human tissue to form a puncture port, and inserts the lower end of the sleeve assembly into the body by pressing the insert block assembly 8 Separate the puncture core assembly from the sleeve, and pull out the puncture core assembly from the sleeve, then extend the surgical instrument into the sleeve to perform the operation. After the operation is completed, remove the surgical instrument and replace the puncture core assembly. Insert into the sleeve, the puncture core assembly and the sleeve assembly are re-clamped through the insert block assembly 8, and the suture operation is started.
  • the suture operation process using the puncture core assembly includes the following actions or steps: positioning, forming a suture channel, suture with needle exit, suture release, needle reception, needle fixation, and reset. Further, after the puncture core assembly is reset, the doctor can pull out the puncture core assembly and knot the suture. Among them, the operation of stitching out the needle and the operation of releasing the suture are started simultaneously, and the operation of releasing the suture is finished before the operation of stitching out of the needle.
  • the doctor manipulates the operating assembly 1 to generate driving force, and the driving force is transmitted by the transmission assembly 4 to the actuator 6 and the puncture tip 7, so that the actuator 6 and the puncture tip 7 perform a suture operation.
  • the operating component 1 includes a gland 12 and a turntable 11 from top to bottom.
  • the transmission component 4 includes a second transmission component 42, a first transmission component 41, and a third transmission component 43 that are arranged inside and outside.
  • the execution component 6 includes positioning The assembly 61, the suture assembly 62, the receiving assembly 63 and the needle fixing assembly 64. Specifically, the turntable 11 is manipulated to rotate.
  • the rotation of the turntable 11 drives the first transmission assembly 41 to rotate, the first transmission assembly 41 drives the positioning assembly 61 to rotate, and the positioning assembly 61 rotates to perform positioning actions and form suture channels, so that the positioning action and formation
  • the suture channels are synchronized;
  • the pressing cover 12 is manipulated to move, the movement of the pressing cover 12 drives the second transmission assembly 42 and the third transmission assembly 43 to move, and the movement of the second transmission assembly 42 simultaneously drives the suture assembly 62 to move and drives the puncture tip 7 to open ,
  • the suturing component 62 acts to perform the needle ejection suture action, the puncture tip 7 is opened to perform the suture release action, so that the needle ejection action and the suture release action are synchronized;
  • the needle receiving assembly 63 does not need to be driven, the needle receiving assembly 63 performs the needle receiving
  • the third transmission assembly 43 moves to drive the needle fixing assembly 64 to move, and the needle fixing assembly 64 moves to perform the needle fixation action;
  • the reset is the reset of the designated
  • the positioning operation component includes a turntable 11, the suture operation component, the suture release operation component or the suture needle fixation operation component all include a gland 12, and the positioning component includes a positioning execution component.
  • the suture component includes a suture execution component, and the suture execution component includes a suture needle.
  • the piercing tip can be referred to as a release suture actuator.
  • the first transmission component can also be referred to as a positioning transmission component
  • the second transmission component can also be referred to as a suture transmission component and a suture release transmission component
  • the third transmission component can also be referred to as a suture needle fixing transmission component.
  • the turntable 11 is an integrally formed part, which includes a cover 111 and a shift arm 112.
  • the cover 111 is arranged above the abutment plate 2 to protect the transmission assembly 4 above the central through hole 21.
  • the cover 9 covers the cover 111.
  • the outer end of the shift arm 112 is located on the outer side of the cover 9, the shift arm 112 passes through the circumferential through hole 92 of the cover 9 and the cover 111 in sequence, and the inner end of the shift arm 112 is located inside the cover 111.
  • the circumferential through hole 92 has a space for the shift arm 112 to move circumferentially. Please continue to refer to FIG.
  • the outer end of the shift arm 112 is the operating end, and the inner end is clamped with the first transmission tube 411 of the first transmission assembly 41.
  • the first transmission component 41 is sleeved in the rod wall tube 3, and the first transmission component 41 includes the first transmission tube 411, two symmetrical transmission arms 412, and a swivel 413 in order from top to bottom.
  • the first transmission tube 411 is a hollow tube extending in the axial direction.
  • the proximal end of the first transmission tube 411 is located above the central through hole 21 and is clamped to the inner end of the shift arm 112.
  • the distal end of the first transmission tube 411 is connected to the transmission arm.
  • the proximal end of 412 is fixedly connected.
  • the two symmetrical transmission arms 412 extend in the axial direction, the proximal end of the transmission arm 412 is fixed to the outside of the first transmission tube 411, and the distal end of the transmission arm 412 and the swivel 413 are integrally formed.
  • the swivel 413 is located between the first support 51 and the second support 52, and the swivel 413 is driveably connected to the positioning assembly 61.
  • the positioning assembly 61 includes two symmetrically arranged positioning members (not labeled) with the same structure. One positioning member is pivotally connected to the first support member 51, and the other positioning member is pivotally connected to the second support member 52. connection. The upper end of each positioning member has a protruding portion 614 extending upward in the axial direction, and the lower end has a protruding portion 614 extending downward in the axial direction. The first support member 51 and the second support member 52 both have an upward and downward axial direction. A accommodating hole 55 is formed extending downward in the axial direction.
  • the protruding portion 614 is accommodated in the corresponding accommodating hole 55 and can rotate in the accommodating hole 55, thereby realizing a positioning member and the first support member 51 to be pivotable
  • the other positioning member is pivotally connected to the second support member 52.
  • the positioning member includes an assist arm 611, a pivot shaft 612 and a positioning blade 613.
  • the pivot shaft 612 extends in the axial direction, the assist arm 611 is perpendicular to the pivot shaft 612, and the assist arm 611 is driveably connected to the swivel 413, thereby realizing the rotation of the swivel 413 to drive the upper and lower extensions of the assist arm 611
  • the connecting line of the portion 614 is the axis (that is, the axis where the pivot shaft 612 is located) to rotate, so that the rotation of the swivel 413 drives the positioning member to rotate with the pivot shaft 612 as the axis.
  • the drivable connection means that the rotation of the swivel 413 can drive the assisting arm 611 to rotate.
  • the swivel 413 is provided with a protruding portion (also called an assist body) (not shown) that protrudes upward.
  • the assist arm 611 has a waist-shaped groove 6111 to assist The body is placed in the waist-shaped groove 6111, and the auxiliary body can move in the waist-shaped groove 6111.
  • the auxiliary body When the rotating ring 413 rotates in the circumferential direction, the auxiliary body also rotates in the circumferential direction.
  • the auxiliary body rotates in the circumferential direction to move in the waist-shaped groove 6111 and drive the waist-shaped groove 6111 to rotate about the pivot shaft 612.
  • the assist arm 611 where the waist groove 6111 is located also rotates with the pivot shaft 612 as an axis, so that the positioning blade 613 rotates outward and inward with the pivot shaft 612 as the axis.
  • the first support 51 includes a relief space 511 in which the assisting arm 611 is located, and one end of the assisting arm 611 and the proximal end of the pivot shaft 612 are integrally formed.
  • the pivot shaft 612 extends in the axial direction, and the positioning blade 613 is integrally formed at the distal end of the pivot shaft 612.
  • the positioning blade 613 When the positioning blade 613 is not rotating (that is, the closed state), the positioning blade 613 is flush with the outer surface of the rod wall tube 3 and the first support 51; when the positioning blade 613 rotates (that is, the open state), the positioning blade 613 protrudes from The outer surface of the rod wall tube 3 and the first support 51. Therefore, the two positioning blades 613 protrude from the outer surface of the stem wall tube 3 after rotating, and abut the tissues on both sides of the puncture port to realize the positioning function. At this time, the suture assembly 62 is in the sutureable position. Since the upper surface of the positioning blade 613 is in surface contact with the tissue, and the upper surface is perpendicular to the axis of the puncture core assembly, the positioning is relatively accurate.
  • the positioning blade 613 rotates with an axial direction of the piercing core assembly as the central axis, the contact area between the positioning blade 613 and the tissue is not affected by the position of the positioning blade 613 after rotation.
  • the upper surface of the positioning blade 613 forms surface contact with the tissue instead of point contact, so the positioning is more accurate.
  • the shift arm 112 When the turntable 11 is in the initial position without rotating, the shift arm 112 is located at one end of the circumferential through hole 92.
  • the doctor moves the dial arm 112 in the first circumferential direction, the dial arm 112 rotates in the first circumferential direction in the circumferential through hole 92, the dial arm 112 drives the first transmission assembly 41 to rotate in the first circumferential direction, and the first transmission tube 411 moves along the first circumferential direction.
  • the first transmission tube 411 drives the transmission arm 412 to move in the first circumferential direction
  • the transmission arm 412 drives the rotating ring 413 to rotate in the first circumferential direction
  • the rotating ring 413 drives the two symmetrical assist arms of the positioning assembly 61 611 rotates
  • the two symmetrical assisting arms 611 respectively drive the two pivot shafts 612 to rotate
  • the two pivot shafts 612 respectively drive the two positioning blades 613 to pivot outward, so that the two positioning blades 613 are connected to the outside of the rod wall tube 3
  • the flush state is transformed into a state protruding from the outer surface of the stem wall tube 3, that is, from the closed state to the open state.
  • the two positioning blades 613 protrude from the outer surface of the stem wall tube 3, and can resist the tissues on both sides of the puncture port. Connect to realize the positioning function.
  • the shift arm 112 rotates to the other end of the circumferential through hole 92
  • the wall of the circumferential through hole 92 blocks the shift arm 112 from continuing to rotate in the first circumferential direction, so that the positioning blade 613 stops rotating, and the turntable 11 is at the end position.
  • the positioning assembly 61 performs the resetting action, the toggle arm 112 is moved along the second circumferential direction.
  • the first circumferential direction is opposite to the second circumferential direction. According to the above-mentioned movement transmission relationship, the first transmission assembly 41 moves along the second circumferential direction.
  • the rotation drives the two pivot shafts 612 to rotate in the opposite direction.
  • the two pivot shafts 612 respectively drive the two positioning blades 613 to pivot inward, so that the two positioning blades 613 protrude from the outer surface of the rod wall tube 3 to return to the rod.
  • the space is defined as an accommodation space A, and the accommodation space A is used to accommodate the suture assembly 62.
  • the positioning blade When the positioning blade is not rotating, the positioning blade closes the part of the accommodation space A where the suture assembly 62 is located; when the positioning blade rotates, the part where the suture assembly 62 is located in the accommodation space A is exposed, exposing the suture channel 53.
  • the suturing assembly 62 can move through the suturing channel 53 to the outside of the rod wall tube 3 to perform a needle ejection action.
  • the pressing cover 12 includes a pressing plate 121, a circumferential wall 123 and two symmetrical push feet 124.
  • the pressing plate 121 is exposed on the cover body 9, the proximal end of the circumferential wall 123 and the proximal end of the two pushing feet 124 The ends are integrally formed on the lower surface of the pressing plate 121 and all extend in the axial direction.
  • the circumferential wall has two symmetrical notches 122, both of which are formed by removing a part of the circumferential wall 123.
  • the notch 122 includes two slits 122a extending in the axial direction. The inner sides of each slit 122a protrude radially inward to form two ribs.
  • the two ribs are referred to as a set of ribs.
  • Each group of ribs is defined as a rib group 1221, and two rib groups 1221 and two push feet 124 are arranged in a staggered manner.
  • the axial length of each push foot 124 is greater than the axial length of the circumferential wall 123, and the distal end of the push foot 124 protrudes radially inward to form a push foot plate 1241.
  • the pressing cover 12 When the pressing cover 12 is pressed, the rib group 1221 presses down the adjusting block 422, so that the second transmission assembly 42 where the adjusting block 422 is located moves downward. As shown in FIGS. 11-13, the second transmission assembly 42 moves downward to drive the suture assembly 62 to perform the needle ejection action, and the puncture tip 7 to perform the suture release action. After the stitching operation of the needle ejection is completed, as shown in FIG. 14, the pressing cover 12 moves to the second position.
  • the two pusher plates 1241 abut the upper transmission ring 431 of the third transmission assembly 43, and continue to press the gland 12 so that the pusher plate 1241 presses down the upper transmission ring 431, so that the third drive ring 431 is located
  • the transmission assembly 43 moves downward.
  • the third transmission assembly 43 moves downward to drive the needle fixing assembly 64 to perform the needle fixing action.
  • the pressing cover 12 moves to the third position.
  • the suture assembly, the puncture tip, and the needle fixing assembly share the gland 12 for operation, which reduces the number of operation components and improves the convenience of operation.
  • the second transmission assembly 42 includes an adjusting portion (not labeled), a transmission rod 424 and a rack 425.
  • the adjusting part includes an elastic piece 423, an adjusting frame 421, and two symmetrical adjusting blocks 422.
  • the elastic piece 423 is a spring, and the elastic piece 423 is located between the two adjusting pieces 422, and each adjusting piece 422 is set as a part of it. It can move in the radial direction between the inside and outside of the adjustment frame 421, and the middle part of the adjustment frame 421 is received between the two push feet 124.
  • the proximal end 424a of the transmission rod 424 is located above the two pusher plates 1241.
  • the radial distance between the two pusher plates 1241 is smaller than the proximal end. 424a, so that when the gland 12 is pulled up, the pusher plate 1241 abuts the proximal end 424a of the transmission rod 424, thereby pulling the second transmission assembly 42 where the proximal end 424a is located to move upward, and the second transmission assembly 42 moves upward
  • the suture assembly 62 and the puncture tip 7 are driven to perform a resetting action.
  • the transmission rod 424 extends downward in the axial direction, passes through the first transmission assembly 41 and forms a distal end 424 b, and the distal end 424 b is connected to the rack 425.
  • the rack 425 is provided with teeth on both sides, and the teeth on both sides are divided into two sections from top to bottom, namely an upper tooth section 425a and a lower tooth section 425b.
  • the upper tooth section 425a is provided with teeth symmetrically on both sides, and the upper tooth section 425a
  • the driving force is transmitted to the suturing component 62 to drive the suturing component 62 to perform the stitching operation.
  • At least one side of the lower tooth segment 425b is provided with teeth, and the lower tooth segment 425b transmits the driving force to the puncture tip 7 to drive the puncture tip 7 to perform the suture release action.
  • the suture assembly 62 includes suture elements 621 and 622 with the same structure. To make the description concise, only the suture 621 is introduced below.
  • the suture 621 includes a gear 623, a rotating shaft 624, a first suture arm 625, a second suture arm 626, and a suture needle 627.
  • the tooth on one side of the upper tooth section 425a meshes with the gear 623.
  • the gear 623 is sleeved and fixed to the rotating shaft 624.
  • One end of the rotating shaft 624 is rotatably connected with the first support 51, and the other end is rotatable with the second support 52 Ground connection, the rotating shaft 624 is fixed with one end of the first suture arm 625, the first suture arm 625 is an arm with a sway bend, and the bending is used to give way to the rotation axis of the suture 622 so that the suture 622
  • the rotation axis and the rotation axis 624 of the suture 621 are located on the same horizontal plane, and the other end of the first suture arm 625 is fixed to one end of the second suture arm 626.
  • the second suture arm 626 is a curved arm.
  • the other end of the second suture arm 626 is detachably connected to the suture needle 627; one end of the suture thread is tied to the suture needle 627, and the other end of the suture thread is tied to the suture.
  • Piece 622 of suture needle When the rack 425 moves downward in the axial direction, the tooth on the side of the upper tooth section 425a drives the gear 623 to rotate, the gear 623 rotates to drive the rotating shaft 624 to rotate in the first direction, and the rotating shaft 624 drives the first suture arm 625 and the second The suture arm 626 and the suture needle 627 rotate in the first direction.
  • the suture needle 627 rotates in the first direction
  • one end of the suture is driven to rotate from the inside of the puncture core assembly to the outside of the puncture core assembly, and pass through the human tissue on the side of the puncture port.
  • the other side tooth of the upper rack 425a drives the suture 622 to rotate in the second direction in the same manner, so that the other end of the suture also rotates from the puncture core assembly to the outside of the puncture core assembly, and passes through the puncture port.
  • the first direction is opposite to the second direction.
  • the receiving assembly 63 is arranged on the upper half 5'of the supporting assembly 5.
  • the receiving assembly 63 includes two receiving parts 631 and 632 with the same structure. To make the description concise, only the receiving piece 631 is introduced below.
  • the receiving member 631 includes a receiving portion 6311, a holding portion 6312 located on both sides of the receiving portion 6311, and a receiving piece 6313 located at the center of the receiving portion 6311.
  • the receiving portion 6311 and the clamping portion 6312 are integrally formed, the clamping portion 6312 has a bent shape, the supporting assembly 5 is provided with a receiving space matching the shape of the clamping portion 6312, and the clamping portion 6312 on one side of the first support 51 is fixed,
  • the second support 52 fixes the retaining portion 6312 on the other side, so that the receiving portion 6311 is located above the accommodating space A, so that the receiving portion 6311 is located in the rotation path of the suture 621.
  • the first support 51 and the second support 52 are connected by two receiving members 631 and 632 with the same structure.
  • the receiving piece 6313 is disposed at the receiving portion 6311, and the receiving piece 6313 is an elastic grid piece or an elastic hollow piece with a hollow structure.
  • the mesh of the elastic grid piece or the hollow structure of the elastic hollow piece is used to hold the suture needle 627.
  • the rod wall tube 3 has a window 31, and the receiving piece 6313 is located in the window 31. After the suture needle 627 passes through the human tissue on the side of the puncture port, it passes through the window 31 and is held by the receiving piece 6313.
  • the suture needle of the suture 622 is similarly The method is synchronized by the receiving piece of the receiving piece 632, so as to realize the receiving of the suture needle, as shown in FIG. 13.
  • the puncture port is regarded as a hole, the upper part of the hole is outside the body, the lower part of the hole is inside the body, and the body cavity wall tissue around the hole is the side wall of the hole.
  • the body tissue on both sides of the puncture port is Refers to the body cavity wall tissue around the hole.
  • the present invention chooses to sew the puncture port from the inside to the outside, that is, the suture needle drives the suture to penetrate from the lowest layer (ie, the fascia layer) of the tissue on both sides of the puncture port, and pierce out from the side of the puncture port, which can better sew The fascia layer is sutured.
  • the two ends of the suture thread are respectively tethered to the suture needles of the suture elements 621 and 622, using the above-mentioned suture method, there will be problems in how to remove the two suture threads before the needle is sutured.
  • the part other than the end is sent into the body cavity.
  • the part of the suture excluding the two ends is defined as the release part.
  • the present invention makes the release part follow the lower half of the puncture core assembly and pass through the puncture port into the body cavity. Specifically, the release part of the suture is contained in the puncture tip 7 so that the release part follows the puncture tip.
  • the suture thread needs to be released so that the suture thread has a sufficient length.
  • the action of releasing the suture is performed by the piercing tip 7.
  • the puncture tip 7 is conical.
  • the puncture tip 7 has a tip cavity inside, and the tip cavity contains the release part of the suture thread.
  • the release part of the suture thread expands under the puncture tip 7 due to gravity and its own elasticity.
  • the curve section realizes the function of releasing the suture.
  • the puncture tip 7 includes a first wall shell 71 and a second wall shell 72 that can be separated from each other.
  • the first wall shell 71 and the second wall shell 72 are closed to form a tip cavity.
  • the first wall shell 71 and the second wall shell 72 can be clamped to each other to make the two close together firmly.
  • one of the first wall shell 71 and the second wall shell 72 is provided with a groove (not shown) on the side surface, and the other side is provided with a protrusion 73, and the protrusion 73 is clamped in the groove so that the first wall shell 71 and the second wall shell 72 are clamped together.
  • the clamping can make the first wall shell 71 and the second wall shell 72 not separate when the puncture tip is punctured, and the second transmission assembly 42 can move in the axial direction to release the jam between the first wall shell 71 and the second wall shell 72 Connect and separate the first wall shell 71 from the second wall shell 72.
  • the first wall shell 71 and the second wall shell 72 are pivoted to separate them from each other.
  • the pivoting refers to the pivoting of the first wall shell 71 and/or the second wall shell 72 relative to the support assembly 5.
  • the toothed member 711 is provided in the first In the wall shell 71, the toothed member 711 is sleeved on the first supporting shaft 712 through the first supporting hole.
  • first supporting shaft 712 is fixed to the first supporting member 51, and the other end is fixed to the second supporting member 52, so that the first The support shaft 712 is fixed to the support assembly 5, the first wall shell 71 can pivot around the first support shaft 712; the toothed member 721 is arranged on the second wall shell 72, and the toothed member 722 is sleeved on the second wall shell 72 through the second supporting hole.
  • Support shaft 722 one end of the second support shaft 722 is fixed to the first support 51, and the other end is fixed to the second support 52, so that the second support shaft 722 is fixed to the support assembly 5, and the second wall shell 72 can surround the second support The support shaft 722 pivots.
  • the toothed parts 711 and 721 are provided with a number of teeth, and the plurality of teeth and the rack
  • the teeth of the lower tooth section 425b of the 425 are selectively engaged, so that the relative pivot between the first wall shell 71 and the second wall shell 72 and the rotation of the stitching members 621 and 622 can be driven by the rack 425 synchronously.
  • the relative pivoting includes that the first wall shell 71 and the second wall shell 72 both pivot, and one of the first wall shell 71 and the second wall shell 72 pivots and the other remains stationary.
  • teeth may be provided on one side of the lower tooth section 425b of the rack 425, and no teeth may be provided on the other side.
  • both the first wall shell 71 and the second wall shell 72 pivot when the puncture tip 7 is in the initial state (that is, not opened), the lower tooth section 425b of the rack 425 and the toothed The pieces 711 and 721 are engaged.
  • the tooth drive gear 623 on the side of the upper tooth section 425a rotates in the first direction, and the gear 623 rotates in the first direction to drive the rotating shaft 624, the first sewing arm 625, and the second sewing arm 626
  • the suture needle 627 rotates in the first direction
  • the tooth on the side of the lower tooth section 425b drives the tooth member 711 to rotate in the first direction
  • the tooth member 711 drives the first wall shell 71 to pivot in the first direction; at the same time, the upper tooth
  • the teeth on the other side of the section 425a drive the suture member 622 to rotate in the second direction.
  • the teeth on the other side of the lower tooth section 425b drive the tooth member 721 to rotate in the second direction.
  • the tooth member 721 drives the second wall shell 72 to rotate in the second direction. Pivoting in two directions, so that both the first wall shell 71 and the second wall shell 72 are pivoted, the puncture tip 7 is opened, and the suture is released. At this time, the puncture tip 7 is in a terminated state. Since the present invention uses suture from the inside to the outside of the puncture port, the movement trajectory of the suture needle of each suture is as follows: from the inside of the puncture core assembly to the outside of the puncture core assembly, and pass through the human tissue on the side of the puncture port, this section moves The trajectory requires each suture to rotate 180 degrees, so the rack 425 needs to move down enough length so that the sutures 621 and 622 can rotate 180 degrees.
  • one side of the toothed member 711 protrudes along the transverse direction to form a first limiting protrusion 7111, and the inner surface of the first support member 51 or the second support member 52 is provided for the first limiting
  • the first limit card slot (not shown) in which the protrusion 7111 slides, the size of part of the first limit card slot is reduced so that it can be interference fit with the first limit protrusion 7111, the first limit card slot Partly corresponds to the position where the first limiting protrusion 7111 is located in the first limiting slot when the first wall shell 71 pivots to the maximum angle.
  • the first limiting The position protrusion 711 is followed by the tooth 711 to rotate in the first direction.
  • the first limit protrusion 711 enters the first limit slot and slides in the first limit slot.
  • the first limiting protrusion 711 is clamped in the first limiting slot, so that the toothed member 711 where the first limiting protrusion 711 is located is held in position, and the toothed member 711 is held
  • the position enables the first wall shell 71 to remain open; and/or, one end surface of the toothed member 721 protrudes laterally outward to form a second limiting protrusion (not labeled), the first support 51 or the second support
  • the inner surface of 52 has a second limiting card slot (not shown) for the second limiting protrusion to slide, and the size of part of the second limiting card slot is reduced so that it can pass through the second limiting protrusion.
  • the part of the second limiting slot corresponds to the position of the second limiting protrusion in the second limiting slot when the second wall shell 72 pivots to the maximum angle, when the second wall shell 72 When pivoting in the second direction, the second limiting protrusion is followed by the tooth 711 to rotate in the second direction. During the rotation, the second limiting protrusion enters the second limiting slot, and moves in the second limiting slot.
  • the second limiting protrusion is clamped in the second limiting slot, so that the toothed member 721 where the second limiting protrusion is located is retained In the position, the toothed member 721 maintains the position so that the second wall shell 72 remains open, and the first wall shell 71 and/or the second wall shell 72 remain open, so that the puncture tip 7 remains in the terminated state.
  • the sutures 621 and 622 rotate 180 degrees and the suture needle is received by the receiving assembly 63 and fixed by the needle fixing assembly 64, the suture assembly 62 and the first wall shell 71 and/or the second wall shell 72 can perform a resetting action.
  • the tooth on the side of the lower tooth section 425b meets the toothed member 711 and meshes with the toothed member 711, thereby driving the toothed member 711 in the second direction
  • the toothed member 711 drives the first wall shell 71 to pivot in the second direction
  • the tooth on the other side of the upper tooth section 425a drives the suture member 622 to rotate in the first direction
  • the toothed member 721 is driven to rotate in the first direction
  • the toothed member 721 drives the second wall shell 72 to pivot in the first direction, so that the first wall shell 71 and the second wall shell 72 pivot towards each other until the first wall shell 71
  • the piercing tip 7 is formed by closing with the second wall shell 72.
  • the piercing tip 7 returns to the initial state, so that the suture assembly 62 and the first wall shell 71 and the second wall shell 72 can perform the resetting action synchronously.
  • the first wall shell 71 and the second wall shell 72 are two asymmetric structures.
  • the first wall shell 71 is smaller than the second wall shell 72, so that the piercing force is concentrated on the second wall.
  • the shell 72 avoids the unintended separation of the first wall shell 71 and the second wall shell 72 due to the reaction force of the human tissue on the puncture force concentration point during puncture.
  • the suture assembly 62 and the puncture tip 7 share a rack drive, which realizes the synchronous action of the two, satisfies the logical relationship between the two actions, and saves the layout space of the puncture device.
  • the third transmission assembly 43 includes an upper transmission ring 431, two symmetrical connecting rods 432, a third transmission tube 433, a lower transmission ring 434 and two symmetrical boosting arms 435 from top to bottom.
  • the upper transmission ring 431, the third transmission tube 433 and the lower transmission ring 434 are coaxial and have the same outer diameter.
  • the upload moving ring 431 is fixed to the proximal end of the connecting rod 432, between the two connecting rods 432, the shift arm 112 passes through and is clamped with the first transmission tube 411, and the distal end of the connecting rod 432 is close to the third transmission tube 433. End fixed.
  • the third transmission tube 433 extends axially between the rod wall tube 3 and the first transmission tube 411.
  • the distal end of the third transmission tube 433 is fixed to the lower transmission ring 434.
  • the lower transmission ring 434 is fixed to the proximal end of the booster arm 435.
  • the booster arm 435 is located between the first support 51 and the second support 52, so the rotation of the booster arm 435 in the third transmission assembly 43 is blocked by the first support 51 and the second support 52, so that the The rotation of the three transmission assembly 43 is prevented.
  • the outer surface of the first limiting portion 56 and/or the second limiting portion 57 has convex points (not shown), the inner wall of the lower transmission ring 434 has a recess (not shown), and the convex point is accommodated in the recess In this way, the lower transmission ring 434 is prevented from moving downward in the axial direction due to gravity, so that the third transmission assembly 43 where the lower transmission ring 434 is located remains immobile when it is not pressed down by the gland 12.
  • the pusher plate 1241 of the pressing cover 12 abuts the upper transmission ring 431 and pushes the third transmission assembly 43 to move downward to make the lower transmission
  • the ring 434 overcomes the resistance of the convex point and moves.
  • the lower transmission ring 434 moves downward so that the booster arm 435 moves axially downward between the first support 51 and the second support 52, thereby driving the needle fixing assembly 64 to execute Fixed needle movement.
  • the end surface where the receiving hole 55 is located is the upper end surface of the first support 51 and the second support 52.
  • the pressing cover 12 needs to move down enough to make each suture rotate 180 degrees, that is, after the suture needle is received by the receiving assembly 63, the needle fixation action can be performed.
  • the above sufficient displacement is defined as h.
  • the axial distance between the upper transmission ring 434 of the third transmission assembly 43 and the pusher plate 1241 is greater than h, so that when the gland 12 moves from the first position
  • each suture member rotates, and the third transmission assembly 43 remains fixed until the pressing cover 12 moves downward by a displacement h, each suture member has rotated 180 degrees, and the second transmission assembly 42 is fixed at this time ,
  • the suture assembly 62 is no longer driven to move, and the pusher plate 1241 moves downward to abut the upper transmission ring 434, thereby driving the needle fixing assembly 64 to perform the needle fixing action.
  • the needle fixing assembly 64 is disposed above the needle receiving assembly 63.
  • the needle fixing assembly 64 includes two symmetrical movable members 641, 642.
  • the movable member 641 is located above the receiving member 631 in the axial direction.
  • the moving part 642 is located above the receiving part 632 in the axial direction. To make the description concise, only the moving part 641 is introduced below.
  • the proximal end of the movable element 641 is fixed to the outside of the booster arm 435, and the distal end of the movable element 641 is an open end, and the open end is realized by opening a limiting slit 641a.
  • the limiting slit 641a is used for The suture needle 627 that has been clamped on the receiving piece 6313 is further clamped.
  • the pressing cover 12 When the pressing cover 12 is at the second position, press the pressing cover 12, the pressing cover 12 moves downward to drive the third transmission assembly 43 to move downwards, the third transmission assembly 43 drives the movable member 641 to move downwards, and the movable member 641 moves downwards.
  • the distal end of the movable member 641 is located between the receiving member 631 and the blocking arm 6314 in the radial direction, and the blocking arm 6314 is formed by extending the clamping portion 6312 to the outside of the receiving portion 6311.
  • the pressing cover 12 When the pressing cover 12 is in the third position, the pressing cover 12 is lifted, the pusher plate 1241 moves up to abut the proximal end 424a of the transmission rod 424, and the pusher plate 1241 moves upward to abut the proximal end 424a of the transmission rod 424 Equal to the distance the pressing cover 12 moves from the third position to the second position, the pusher plate 1241 pulls the transmission rod 424 to pull the second transmission assembly 42 to move upward as a whole, and the second transmission assembly 42 drives the suture assembly 62 to perform resetting.
  • the rack 425 moves upward in the axial direction
  • the tooth on the side of the upper tooth segment 425a drives the gear 623 to rotate
  • the gear 623 rotates to drive the rotating shaft 624 to rotate in the second direction
  • the rotating shaft 624 drives the first sewing arm 625.
  • the second suture arm 626 rotates in the second direction.
  • the sewing The needle 627 imparts a reaction force to the receiving piece 6313 and the movable member 641.
  • the reaction force causes the movable member 641 to rise, but the upward movement is blocked by the inner surface of the blocking arm 6314, so that the movable member 641 remains against the suture needle.
  • 627 is clamped, so the suture needle 627 is clamped and separated from the second suture arm 626. After separation, the first suture arm 625 and the second suture arm 626 rotate from outside the puncture core assembly and return to the accommodation space A, and the suture needle The 627 continues to be held in the receiving member 631, so as to realize the fixation of the suture needle 627. Since one end of the suture thread is tied to the suture needle 627, the end of the suture thread is also fixed in the receiving member 631 and the movable member 641.
  • the suture needle of the suture member 622 is fixed by the movable member 642, so that the other end of the suture is also fixed in the receiving member 632 and the movable member 641, and can also be punctured by the core assembly Take it outside the body.
  • the movable member 641 can keep the suture needle fixed.
  • the movable member 641 can cooperate with the blocking arm 6314.
  • the suture assembly 62 performs the needle ejection action
  • the puncture tip 7 performs the suture release action
  • the needle fixation assembly 64 performs the needle fixation action to avoid mis-execution.
  • the avoidance of mis-execution is achieved by avoiding mis-driving.
  • the needle ejection action and the suture release action are prevented from being driven by mistake by the turntable 11 to prevent the press cover 12 from being pressed by mistake when it is in the first position, and the fixed needle action is prevented from being driven by mistake.
  • the turntable 11 prevents the press cover 12 from being pressed when it is in the second position. Mispressing is achieved.
  • the turntable 11 prevents the gland 12 from being pressed by mistake when it is in the first position means: please continue to refer to Figures 4 and 6, the turntable 11 also includes two symmetrical blocking wings (not numbered), each blocking wing includes a blocking wing body and The blocking piece 113 protrudes radially outward from the outer surface of the upper part of the casing 111 to form a strip-shaped blocking wing body (not numbered), and the top of the blocking wing body protrudes upward in the axial direction beyond the upper part of the casing 111 On the end surface, a blocking piece 113 is formed. As shown in Fig.
  • the turntable 11 prevents the pressing cover 12 from being pressed by mistake when it is in the second position means: please continue to refer to Figures 14 and 16, the tops of the two blocking pieces 113 are both provided with a first guiding slope 113a, and the adjusting block 422 has a bottom surface and The second guiding inclined surface 422a extends between the side surfaces, and the first guiding inclined surface 113a matches the second guiding inclined surface 422a. As shown in FIG.
  • the first guiding inclined surface 113a abuts against the second guiding inclined surface 422a, the first guiding inclined surface 113a prevents the adjustment block 422 from moving down, and the adjustment block 422 further prevents
  • the rib set 1221 moves down, and the rib set 1221 is prevented from moving downward so that the pressing cover 12 is prevented from being pressed by mistake when it is in the second position, so that the fixing needle action can be prevented from being driven by mistake.
  • the adjusting block 422 no longer prevents the rib group 1221 from moving down.
  • the preset inclination angles of the first guiding inclined surface 113a and the second guiding inclined surface 422a can make the adjustment block 422 move against the pressure exerted by the rib group 1221 on it.
  • the two adjusting blocks 422 are subjected to the elastic force of the elastic member 423 to respectively resist the inner surface of one of the two blocking pieces 113, so that the adjusting frame 421 is fixed between the two blocking pieces 113. Since the adjusting block no longer hinders the downward movement of the rib group 1221, when the pressing cover 12 continues to move downward, the blocking piece 113 enters the slit 122a, and the blocking piece 113 relatively moves in the slit 122a. During this process, the pressing cover 12 does not contact the adjusting part, so that the second transmission assembly 42 where the adjusting part is located is not subject to driving force and remains fixed.
  • the pusher plate 1241 of the pressing cover 12 moves downward to touch the upper transmission
  • the ring 431 pushes the upper transmission ring 431, thereby causing the entire third transmission assembly 43 to move downwards.
  • the third transmission assembly 43 moves downwards to drive the needle fixing assembly 64 to perform the needle fixing action.
  • the cap is pressed 12 is located in the third position, as shown in FIG. 15.
  • the elastic member 423 completely ejects the adjustment block 422 from the adjustment frame 421, and to prevent the adjustment block 422 from rubbing against the adjustment frame 421 when the adjustment block 422 is moving.
  • the side of the adjusting block 422 protrudes outward to form a guiding protrusion 4221, and the adjusting frame 421 is provided with a guide for the guiding protrusion 4221 to move radially. ⁇ 4212.
  • the guiding protrusion 4221 When the adjusting block 422 is stationary, the guiding protrusion 4221 is located in the guiding groove 4212, and the guiding groove 4212 can limit the adjusting block 422 to prevent the adjusting block 422 from being completely ejected from the adjusting frame 421; when the adjusting block 422 moves, the guiding The guiding protrusion 4221 moves in the guiding groove 4212, and the guiding groove 4212 can reduce the shaking amplitude when the adjusting block 422 moves.
  • the surface of the adjustment block 422 is provided with an anti-sway protrusion 4222.
  • the anti-sway protrusion 4222 reduces the contact area between the adjustment block 422 and the adjustment frame 421, thereby reducing both The friction between.
  • the puncture core assembly provided by the present invention has components for driving, transmitting and performing suture operations.
  • a part of the puncture core assembly and the sleeve assembly is located outside the puncture port, and a part is located inside the puncture port.
  • the dial arm 112 of the turntable 11 When starting the stitching operation, first move the dial arm 112 of the turntable 11 in the first circumferential direction, the dial arm 112 rotates in the first circumferential direction to drive the first transmission assembly 41 to rotate, and the first transmission assembly 41 drives the positioning blades of the positioning assembly 61 Rotate outwards, the positioning blades pivot outward and protrude from the outer surface of the rod wall tube 3, and pull the puncture core assembly upwards to make the upper ends of the positioning blades abut the fascia layers on both sides of the puncture port to achieve positioning; After pivoting, the space where the suture assembly 62 is located in the accommodation space A is exposed, and the space where the suture channel 53 is located is. Press the pressing cover 12 downward to move the pressing cover 12 downwards.
  • the pressing cover 12 moves downwards to drive the second transmission assembly 42 downwards.
  • the upper tooth section 425a of the rack 425 of the second transmission assembly 42 moves downwards to drive the suture assembly.
  • 62 rotates, the suture member 621 in the suture assembly 62 rotates in the first direction, and the suture member 622 rotates in the second direction to realize needle stitching.
  • the two suture needles enter the receiving assembly 63 after rotating, the suture needle 627 of the suture 621 is received by the receiver 631, and the suture needle of the suture 622 is received by the receiver 632.
  • the lower tooth section 425b of the rack 425 moves downward to drive the first wall shell 71 and the second wall shell 72 to pivot relatively, thereby opening the tip cavity, and the suture in the tip cavity releases the part of the suture under gravity and the elastic force of the suture itself. Under the action, it detaches from the inner cavity and unfolds to form a curved segment to realize the release of the suture. Continue to press the pressing cover 12 downwards to make the pressing cover 12 walk.
  • the second transmission assembly 42 and the stitching assembly 62 remain fixed, the push foot 124 pushes the third transmission assembly 43 downward, and the third transmission assembly 43 pushes the movable element 641 642 moves downward, the limiting slit 641a of the movable element 641 clamps the suture needle 627, and the limiting slit of the movable element 642 clamps the suture needle of the suture element 622 to realize the needle fixation.
  • the upper tooth section 425a of the rack 425 of the second transmission assembly 42 makes the suture assembly 62 rotate in the opposite direction.
  • the two suture arms are separated from the suture needles connected to each other, and the first suture arm and the second suture arm rotate back to the accommodation space A to realize the resetting of the suture assembly 62.
  • the lower tooth section 425b of the rack 425 makes the first wall shell 71 and the second wall shell 72 relatively pivot, and the first wall shell 71 and the second wall shell 72 are closed again to realize the reset of the puncture tip 7.
  • the pushing foot 124 is away from the third transmission assembly 43, and the third transmission assembly 43 and the needle fixing assembly 64 remain stationary.
  • the toggle arm 112 After the gland 12 is lifted to the first position, the toggle arm 112 is moved in the second circumferential direction, and the toggle arm 112 rotates in the second circumferential direction to drive the first transmission assembly 41 to rotate in the second circumferential direction, and the first transmission assembly 41
  • the positioning blade is driven to pivot inward, and the positioning blade is transformed from the open state to the closed state, and the positioning assembly 61 is reset, as shown in FIG. 18.
  • pull up the entire trocar the two ends of the suture are brought out of the puncture port by the puncture core assembly, cut the suture so that each end of the suture is separated from the rest of the suture, and pull the suture outside the puncture port to make the puncture Tighten the mouth and tie the suture to complete the suture operation.
  • the "suturing position" in the present invention means that when the puncture core assembly is in this position, the suture assembly 62 is driven, and the suture needle of the suture assembly 62 can be rotated to penetrate the tissue around the puncture port and exit from the side of the puncture port And enter the needle receiving assembly 63.
  • Figures 19-22 show the puncture core assembly of the sutureable puncture device according to the second embodiment of the present invention.
  • the suture release mechanism includes a release actuator, the release actuator includes a piercing tip, the piercing tip includes a first wall shell and a second wall shell, the first wall shell and/or the second wall shell opposing the supporting assembly Pivoting to switch between the initial state and the end state.
  • the first wall shell and the second wall shell are closed to form an inner cavity, and the inner cavity is used to accommodate the suture;
  • the wall shell is separated from the second wall shell, and the suture is released.
  • the suture release mechanism includes a release actuator
  • the release actuator includes a fixing member 99 and a puncture tip 7'
  • the puncture tip 7' has a receiving portion 98
  • the fixing member 99 is partially received in The receiving portion 98
  • the release actuator has an initial state and a released state.
  • a closed suture storage space 97 is formed between the puncture tip 7'and the fixing member 99.
  • the suture storage space 97 is exposed.
  • the release actuator from the initial state to the released state. Because the suture itself has a certain elasticity, when the suture storage space 97 is exposed, the suture automatically pops out from the suture storage space 97 to realize the function of suture release, which is a follow-up Prepare for suture operation. It should be noted that there is a process for the release of the suture, so the release state is more than one position. From the suture storage space 97 exposed to the maximum extent, the entire process of the suture storage space exposure can be regarded as the release state.
  • the puncture core component of this embodiment also includes a supporting component.
  • the fixing member 99 is fixed to the supporting assembly 5.
  • the fixing member 99 includes an end plate 96 relatively located at the proximal end.
  • the proximal surface of the end plate 96 is provided with a first mounting portion 95, and the first mounting portion 95 and the support assembly 5 are fixed by the first fastening pin 94, so that the fixing member 99 is fixed to the support assembly 5.
  • the fixing member 99 includes a winding part 93.
  • the suture is wound around the winding part 93 so that the suture is regularly stored in the suture storage space 97.
  • a suture storage space 97 is formed between the outer surface of the winding portion 93 and the inner surface of the receiving portion 98 surrounded by the puncture tip 7'.
  • the winding portion 93 is connected to the distal end surface of the end plate 96.
  • the axial length of the winding portion 93 is greater than the thickness of the end plate 96 so as to provide sufficient space for the suture to be wound.
  • the width of the end plate 96 is greater than the width of the winding portion 93.
  • the fixing member 99 also includes an interception plate 102, which is connected to the distal end of the winding part 93, and the width of the interception plate 102 is greater than the width of the winding part 93, so that the end plate 96, the winding part 93, and the interception plate 102
  • the axial section is roughly "I" shape, so that the suture can be reliably wound around the winding part 93.
  • the width (i.e., diameter) of the end plate 96 is greater than the width (i.e., diameter) of the interception plate 102, and the wider end plate 96 can close the proximal surface of the puncture tip 7'in the initial state, so as to cooperate with the puncture tip 7'to form a suture
  • the narrow intercepting plate 102 reduces the width of the distal end of the fixing member 99 while ensuring the winding effect. Because the part below the end plate 96 of the fixing member 99 is contained in the receiving portion 98 of the puncture tip 7', The width of the interceptor plate 102 is the largest in the part below the end plate 96 of the fixing member 99. Reducing the width of the interceptor plate 102 can make the size of the fixing member 99 and the puncture tip 7'smaller and meet the size requirements of the puncture core assembly.
  • the first wall shell and the second wall shell of the piercing tip are relatively pivoted to switch between the initial state and the released state.
  • the puncture tip 7' moves along the axial direction of the puncture core assembly, so that the release execution component is switched between the initial state and the release state.
  • the puncture tip 7'no longer includes a first wall shell and a second wall shell that are relatively movable, the puncture tip 7'is integrally formed, and the puncture tip 7'moves along the axial direction of the puncture core assembly as a whole , To achieve the switch between the initial state and the released state. Since the puncture tip 7'is integrally formed, there is no relative movement between components, which makes the structure of the puncture tip 7'more stable, so that the puncture tip 7'can penetrate the tissue more smoothly when puncturing the tissue. The overall movement of the puncture tip 7'in the axial direction realizes the state switching, which is the same as the movement direction of the operating assembly 101 of the suture release assembly, which can simplify the structure of the suture release transmission assembly.
  • the release actuator includes a lock core 90 fixed to the puncture tip 7'
  • the suture release mechanism includes a release transmission assembly
  • the release transmission assembly drives the lock core 90 to move axially
  • the lock core 90 moves axially.
  • the puncture tip 7' moves axially.
  • the lock core 90 drives the puncture tip 7'to move axially, which can simplify the structure of the puncture tip 7'.
  • the related axial guide mechanism (described later) and the locking mechanism (described later) can be provided on the lock core 90. The design is reasonable.
  • the release transmission assembly includes a transmission rod 89, the transmission rod 89 abuts the lock core 90 and pushes the lock core 90 to move axially, and finally drives the piercing tip 7'to move axially in the initial state and the released state Switch between.
  • the structure is very simple, and the operation is simple and effective.
  • the suture release transmission assembly and the suture transmission assembly share a transmission rod 89.
  • the transmission rod 89 includes a suture drive portion and a suture release drive portion.
  • the suture drive portion is a (upper) tooth provided on the side of the transmission rod 89 segment.
  • the suture release driving part is a lower tooth section, which is arranged at intervals from the upper tooth section, and the lower tooth section is installed on the first wall shell and/or the second wall.
  • the lower tooth section drives the first wall shell and/or the second wall shell to pivot through the toothed parts;
  • the suture release driving part is the distal end 88 of the transmission rod 89,
  • the lock core 90 can be pushed to move axially, thereby driving the piercing tip 7'to move axially, and finally switch between the initial state and the released state.
  • the lower tooth segment is detachably engaged with the toothed member.
  • the transmission rod 89 abuts against the lock cylinder 90 detachably in the axial direction. That is, the combination of the transmission rod 89 and the lock cylinder 90 has two states. For example, in the first state shown in FIG. 21, the transmission rod 89 does not push the lock cylinder 90 in the axial direction. In the second state shown in FIG. 22, for example, The transmission rod 89 abuts against the lock core 90 in the axial direction and is driven by the operating member to push the lock core 90 from the initial state to the released state. It should be noted that the movement of the transmission rod 89 and the lock cylinder 90 is a process. Therefore, no matter whether it is the first state or the second state, it does not only include one position. FIGS. 21 and 22 show the first state and the second state, respectively. One of the two states.
  • the lock core 90 is provided with an opening groove 87, which extends from the proximal end of the lock core 90 in a direction toward the distal end, the distal end of the opening groove 87 is closed to form a distal end surface 86, and the distal end of the transmission rod 89 88 abuts against the distal surface 86 of the opening groove 87 to push the lock core 90 to move axially. Therefore, the opening groove 87 can provide a guide for the movement of the transmission rod 89.
  • the width of the distal portion 88 of the transmission rod 89 is slightly smaller than the width of the opening groove 87, so that the distal portion 88 can slide smoothly in the opening groove 87.
  • the opening groove 87 is arranged at the center of the lock core 90 to make the lock core 90 structured.
  • the transmission rod 89 is in the first state or the second state, the distal end 88 of the transmission rod 89 is received in the opening groove 87.
  • the transmission rod The distal end 88 of the 89 is spaced from the distal end 86 of the open slot 87 at a certain distance.
  • the distal end 88 of the transmission rod 89 abuts the distal end 86 of the open slot 87.
  • the fixing member 99 is provided with a through hole 85 extending axially, and the lock core 90 is partially received in the through hole 85 and can move in the through hole 85.
  • the through hole 85 provides a guide for the axial movement of the lock core 90 to make the movement of the lock core 90 more reliable.
  • an axial guiding mechanism is provided between the lock core 90 and the fixing member 99.
  • the axial guide mechanism includes a guide groove 84 arranged on the lock core 90 and a guide pin 80 arranged on the fixing member 99.
  • the guide groove 84 extends longitudinally in the axial direction.
  • the guide pin 80 is transversely inserted in the guide groove 84 to make the lock core 90 can only move on the axial path defined by the cooperation of the guide groove 84 and the guide pin 80.
  • the lock core 90 includes a body 79, and a guide groove 84 is provided transversely through the body 79.
  • the fixing member 99 is provided with a pin hole 78, and the guide pin 80 is tightly matched with the pin hole 78.
  • the fixing member 99 includes a second mounting portion 77 connected to the intercepting plate 102 and located at the distal end of the fixing member 99 relative to the intercepting plate 102.
  • the pin hole 78 for mounting the guide pin 80 is provided on the second mounting portion 77. The structure design is reasonable.
  • the distal portion 76 of the lock core 90 located outside the through hole 85 of the fixing member 99 is relatively fixed to the piercing tip 7'.
  • the relative fixation of the lock core 90 and the piercing tip 7' is achieved by the tight fit of the second fastening pin 75, the pin hole 58 provided on the lock core 90, and the pin hole 48 of the piercing tip 7', and will not be repeated. Therefore, the lock core 90 can drive the piercing tip 7'to move axially relative to the fixing member 99, so that the suture actuator can be switched between the initial state and the released state.
  • the release actuator is switched between the initial state and the released state.
  • the two ends of the guide groove 84 are closed, and when the guide pin 80 abuts the distal end of the guide groove 84, the suture actuator is in the initial state, and the guide pin 80 is in the initial state.
  • the proximal end of the guide groove 84 abuts, the suture actuator is in the final position of the released state. Therefore, the two ends of the guide groove 84 can limit the axial movement of the lock core 90 and the piercing tip 7'.
  • a locking mechanism is provided between the lock core 90 and the fixing member 99.
  • the locking mechanism includes a hook provided on the lock core 90, a first holding portion 74 and a second holding portion 69 provided on the fixing member 99, the first holding portion 74 and the second holding portion 69 are spaced apart in the axial direction
  • the lock core 90 includes a main body 79 and a first rod portion 68 and a second rod portion 67 provided at the proximal end of the main body 79.
  • the first rod portion 68 and the second rod portion 67 are spaced apart, the proximal end of the first rod portion 68 is provided with a first hook 66, and the proximal end of the second rod portion 67 is provided with a second hook 65.
  • the first rod portion 68 and the second rod portion 67 extend lengthwise and have certain elasticity.
  • the first rod portion 68 and the second rod portion 67 are elastically deformed to move the first hook 66 and the second hook 65 respectively This allows the first hook 66 and the second hook 65 to switch between the locked state and the released state.
  • the locked state is the state in which the hook is mated with the clamping portion
  • the released state is the state in which the hook is separated from the clamping portion.
  • the first clamping portion 74 is provided on the proximal end surface of the fixing member 99, specifically, on the proximal end surface of the end plate 96.
  • the second clamping portion 69 is a clamping groove, and the clamping groove penetrates the side wall of the winding portion 93. In contrast to the number of hooks, the number of clamping slots is also two.
  • the fixing member 99 is provided with an axially extending through hole 85, and the lock cylinder 90 is partially received in the through hole 85 and can move in the through hole 85.
  • the lock cylinder 90 is partially received in the through hole 85 and can move in the through hole 85.
  • the lock core 90 is provided with an opening groove 87, and the opening groove 87 can provide a guide for the movement of the transmission rod 89.
  • the opening groove 87 is formed by surrounding the first rod portion 68 and the second rod portion 67.
  • the working process of the positioning mechanism, suture mechanism, and needle fixing mechanism of this embodiment is the same as that of the first embodiment. Repeat it again. The following focuses on the working process of the suture release mechanism of this embodiment.
  • both ends of the suture thread are connected to the suture needle, the middle part of the suture thread is wound on the winding part 93, the hook is mated with the first holding part 74, and the proximal end of the puncture tip 7'is connected to The distal end 86 of the end plate 96 of the fixing member 99 abuts, a closed suture storage space 97 is formed between the puncture tip 7'and the fixing member 99, and the suture wound on the winding part 93 is contained in the suture storage space 97 in.
  • the operator drives the transmission rod 89 to move down axially by pressing down the operating assembly 101.
  • the upper tooth section of the transmission rod 89 The suturing mechanism is driven to sew the tissue, and the distal end 88 of the transmission rod 89 moves in the direction toward the lock core 90 during the downward movement of the transmission rod 89.
  • the transmission rod 89 moves down until its distal end 88 is in contact with the distal surface 86 of the opening groove 87 of the lock cylinder 90, the operating assembly 101 is continued to be pressed down, the transmission rod 89 continues to move downward, and the transmission rod 89
  • the provided pushing force makes the first rod portion 68 and the second rod portion 67 elastically deform, thereby causing the first hook 66 and the second hook 65 to move, and the first hook 66 and the second hook 65 are separated from the first hook 66 and the second hook 65.
  • the clamping part 74 and the transmission rod 89 continue to push the lock cylinder 90 down, the lock cylinder 90 moves down to drive the puncture tip 7'to move down, the proximal surface of the puncture tip 7'gradually moves away from the distal surface 86 of the end plate 96, and the suture thread
  • the storage space 97 begins to be exposed, and when the exposed space is large enough, the suture starts to pop out of the suture storage space 97 gradually under the action of its own elastic force.
  • the first hook 66 and the second hook 65 slide in the through hole 85 of the fixing member 99.
  • the first hook 66 and the second hook 65 recover their deformation, and the first hook 66 and the second hook 65 are respectively clamped into the corresponding second clamping portion 69
  • the suture can be completely released.
  • the suture may also be completely released before reaching the final position of the released state, depending on the elasticity of the suture.

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Abstract

本发明提供一种缝合线释放机构、穿刺芯组件、穿刺器及其使用方法,所述缝合线释放机构包括释放执行组件,所述释放执行组件包括固定件和穿刺尖端,所述穿刺尖端具有收容部,所述释放执行组件具有初始状态和释放状态,在所述初始状态,所述收容部收容部分所述固定件,所述穿刺尖端与所述固定件的所述部分之间形成封闭的缝合线收纳空间,在所述释放状态,所述缝合线收纳空间外露。

Description

缝合线释放机构、穿刺芯组件、穿刺器及其使用方法 技术领域
本发明涉及一种用于穿刺芯组件的缝合线释放机构、穿刺芯组件和具有穿刺芯组件的可缝合穿刺器、可缝合穿刺器的使用方法,属于医疗器材领域。
背景技术
在腹腔手术、胸腔手术等微创外科手术中,穿刺器可以在人体的腔壁中建立进入通道,以便供吻合器或其他手术器械(如内窥镜等)进入体腔内,并提供气体进出的通道,以便进行检查或手术操作。
穿刺器包括穿刺芯组件和套管组件。手术时,医生一般先在患者人体组织上划开一个小切口,再将穿刺芯组件的穿刺尖端对准划开的小切口左右往复转动的同时向下移动穿刺器,使穿刺芯组件引导套管组件穿过患者人体组织的皮层;接着拔出穿刺芯组件,吻合器或其他手术器械即可通过套管组件进出患者体腔进行操作。现有的穿刺芯组件只起到穿刺的作用,在引导套管组件自人体腹部的切口进入患者体内后,即被丢弃。
手术结束时,从穿刺口取出套管组件,缝合穿刺口。因微创手术的穿刺口小而深,尤其是肥胖患者的人体组织较厚,若缝合不当,患者在术后容易产生穿刺孔疝等并发症。可使用专门的缝合器械缝合穿刺口,来减少上述并发症,但是这样需要额外增加手术器械,缝合成本较高,且手术器械繁多、操作不便;并且,专门缝合穿刺口的缝合器结构复杂,使用不便。因此可使用具有缝合功能的穿刺器。
具有缝合功能的穿刺器需要将缝合线容置于穿刺芯组件内,使缝合线跟随穿刺芯组件进入穿刺口内,中国专利申请第CN201811283165.9号揭示一种带缝合功能的穿刺器,它包括穿刺器和插入穿刺套管的缝合组件,所述缝合组件包括外管、推杆;所述外管的头部具有带弯钩的齿轮,所述齿轮弯钩的头部具有针头;所述针头的侧孔具有相应规格的缝线;所述推杆头部具有与带弯钩的齿轮配合的齿条;所述齿条与带弯钩的齿轮配合可实现针头弧形转动。所述推杆下压弯钩打开后再合拢,针头穿过缝合部位后插入穿刺器套管头部的对称孔中,再打开缝合组件,针头与弯钩分离将缝合线线头留置在穿刺器侧壁内。
但是,中国专利申请第CN201811283165.9号的穿刺器将缝合线散置于穿刺器侧壁外,不利于收纳。
发明内容
为解决上述问题,本发明提供了一种用于穿刺芯组件的缝合线释放机构、穿刺芯组件和具有穿刺芯组件的穿刺器。
一种用于穿刺芯组件的缝合线释放机构,所述缝合线释放机构包括释放执行组件,所述释放执行组件包括固定件和穿刺尖端,所述穿刺尖端具有收容部,所述释放执行组件具有初始状态和释放状态,在所述初始状态,所述收容部收容部分所述固定件,所述穿刺尖端与所述固定件的所述部分之间形成封闭的缝合线收纳空间,在所述释放状态,所述缝合线收纳空间外露。
进一步的,所述穿刺尖端沿所述穿刺芯组件的轴向移动,使得所述固定件的所述部分被收容于所述收容件或使得所述固定件的所述部分的至少一部分自所述所述收容部移出,进而使得所述释放执行组件在所述初始状态和所述释放状态之间切换。
进一步的,所述释放执行组件还包括相对所述穿刺尖端固定的锁芯,所述缝合线释放机构还包括释放传动组件,所述释放传动组件驱动所述锁芯轴向移动,所述锁芯轴向移动带动所述穿刺尖端轴向移动。
进一步的,所述锁芯包括卡钩,所述固定件包括第一卡持部和第二卡持部,所述第一卡持部和所述第二卡持部沿轴向间隔设置;所述卡钩与所述第一卡持部配接,使得所述释放执行组件保持在所述初始状态;所述卡钩与所述第二卡接部配接,使得所述释放执行组件保持在所述释放状态。
进一步的,所述锁芯与所述固定件之间设有轴向导向机构。
进一步的,所述释放传动组件包括传动杆,所述传动杆抵接所述锁芯以推动所述锁芯轴向移动。
进一步的,所述锁芯设有开口槽,所述开口槽自所述锁芯的近端沿朝向远端的方向延伸,所述开口槽的远端封闭形成远端面,所述传动杆的远端部与所述开口槽的远端面抵接以推动所述锁芯轴向移动。
进一步的,所述传动杆在轴向上可分离地抵接所述锁芯。
进一步的,所述固定件设置轴向延伸的通孔,所述锁芯可移动地收容于所述通孔中。
进一步的,所述锁芯位于所述通孔外的远端部分与所述穿刺尖端固定连接。
一种穿刺芯组件,所述穿刺芯组件包括上述任一项所述的缝合线释放机构。
进一步的,所述缝合线释放机构包括释放操作组件,所述穿刺芯组件还包括缝合机构,所述缝合机构包括缝合操作组件,所述释放操作组件和所述缝合操作组件为同 一操作组件。
进一步的,所述穿刺芯组件还包括缝合针头固定机构,所述缝合针头固定机构包括缝合针头固定操作组件,所述缝合针头固定操作组件、所述缝合操作组件、所述释放操作组件为同一操作组件。
进一步的,所述同一操作组件包括防止误操作机构,所述防止误操作机构包括第一部件和第二部件,第一部件包括调节块和弹簧,所述弹簧的一端抵接于所述调节块,另一端抵接于其它调节块或者抵接于第一部件的除所述调节块以外的其它部分;第二部件包括阻挡部;所述阻挡部具有第一导引斜面,所述调节块具有第二导引斜面;在初始位置,所述第一导引斜面与所述第二导引斜面抵接,当误操作所述第一部件的力不足以克服所述弹簧的弹力,所述阻挡部抵接所述调节块以防止第一部件被误操作而发生相对于所述第二部件的移动;当增大操作的力,所述力克服弹簧的弹力使得所述调节块沿所述导引斜面朝向所述其它调节块或所述第一部件的所述其它部分移动,当所述调节块与所述阻挡部脱离后,所述第一部件被操作以相对于所述第二部件产生移动。
进一步的,所述缝合线释放机构包括缝合线释放传动组件,所述穿刺芯组件还包括缝合机构,所述缝合机构包括缝合传动组件,所述缝合线释放传动组件与所述缝合传动组件共用传动杆,所述传动杆包括缝合驱动部、缝合线释放驱动部,所述缝合驱动部为设置在所述传动杆侧面的齿段,所述缝合线释放驱动部为所述传动杆的远端部。
一种可缝合穿刺器,包括穿刺芯组件和套管组件,所述穿刺芯组件可取出地套设于所述套管组件;所述穿刺芯组件为根据上述任一项所述的穿刺芯组件。
一种可缝合穿刺器的使用方法,所述可缝合穿刺器包括穿刺芯组件和套管组件,所述穿刺芯组件可取出地套设于所述套管组件,所述穿刺芯组件包括第一操作组件、第二操作组件、第三操作组件、定位叶片、缝合件、缝合线,所述缝合件包括缝合针头;所述穿刺芯组件包括穿刺尖端与固定件,所述穿刺尖端和所述固定件之间形成缝合线收纳空间,所述使用方法包括以下步骤:
步骤S1:操作第一操作组件,使得所述定位叶片向外转动,并且使得所述定位叶片突出于所述穿刺芯组件的外表面;
步骤S2:操作所述第二操作组件,使得所述缝合件旋转;
步骤S3:操作所述第二操作组件,使得收纳于所述缝合线收纳空间的所述缝合线被释放;
步骤S4:操作所述第三操作组件,所述缝合针头被卡持。
进一步的,所述步骤S1中,所述操作为转动。
进一步的,所述步骤S1进一步包括:所述定位叶片向外转动后,露出缝合通道。
进一步的,所述步骤S2和所述步骤S3中,所述操作均为按压。
进一步的,所述第二操作组件包括压盖;所述步骤S3进一步包括:按压所述压盖使其向下移动,所述压盖向下移动驱动所述穿刺尖端向下移动进而使得所述缝合线收纳空间外露;所述缝合针旋转与所述缝合线收纳空间外露同步开始执行。
进一步的,在步骤S1和步骤S2之间还包括步骤S11:向上提拉所述穿刺芯组件或所述可缝合穿刺器,所述定位叶片实现定位。
进一步的,所述步骤S4进一步包括:按压所述第三操作组件而推动第三传动组件,所述第三传动组件推动可动件向下移动,所述可动件的狭缝卡持所述缝合针头。
进一步的,所述使用方法还包括以下步骤:
步骤S5:操作所述第二操作组件,使得所述缝合件返回;
步骤S6:操作所述第二操作组件,使得所述缝合线收纳空间封闭;
步骤S7:操作第一操作组件,使得所述定位叶片向内转动;
步骤S8:向上提拉所述穿刺芯组件或所述可缝合穿刺器。
进一步的,所述步骤S5和所述步骤S6中,所述操作均为提拉。
进一步的,所述步骤S7中,所述操作为转动。
进一步的,所述第二操作组件包括压盖;所述步骤S6进一步包括:提拉所述压盖使其向上移动,所述压盖向上移动驱动所述穿刺尖端向上移动进而使得所述缝合线收纳空间封闭。
与现有技术相比,本发明的有益效果在于:由于设置了固定件,在初始状态,通过在固定件与穿刺尖端之间形成封闭的缝合线收纳空间,在穿刺芯组件未执行缝合动作时,可以将缝合线很好的收纳于该缝合线收纳空间中,避免散落的缝合线影响手术的正常进行。而且,利用固定件与穿刺尖端之间的空间收纳缝合线,无需改变穿刺尖端的形态,不会对穿刺尖端刺穿患者皮层的操作造成不良影响。
附图说明
图1是本发明第一实施例提供的穿刺器结构示意图;
图2是本发明提供的穿刺芯组件的结构示意图;
图3是图2的爆炸图;
图4是未执行定位时实现定位所需部件结构示意图;
图5是转环与定位件的连接示意图;
图6是执行定位后实现定位的所需部件结构示意图;
图7是被压盖驱动而移动的部件结构示意图;
图8是压盖一个角度结构示意图;
图9是图8另一个角度结构示意图;
图10是调节框和调节块结构示意图;
图11是未执行出针时缝合组件示意图;
图12是接收件结构示意图;
图13是出针动作、针头接收动作、释放缝合线动作执行完毕时穿刺芯组件结示意图;
图14是穿刺芯组件在图12的状态时的剖视图;
图15是实现针头接收动作、固定针头动作所需部件结构示意图;
图16是驱动压盘处于第二位置时结构示意图;
图17是针头固定执行完毕时针头固定组件结构示意图;
图18是缝合组件复位后穿刺芯组件结构示意图。
图19是本发明第二实施例提供的穿刺芯组件的立体分解图;
图20是图19所示的穿刺芯组件的部分部件的另一角度的立体分解图;
图21是图19所示的穿刺芯组件的局部剖视图,此时,释放执行组件位于初始状态;
图22是图19所示的穿刺芯组件的另一局部剖视图,此时,释放执行组件位于释放状态;
附图标记
1-操作组件,
11-转盘,111-下罩壳,112-拨臂,113-阻挡片,113a-第一导引斜面,
12-压盖,121-按盘,122-缺口,122a-狭缝,1221-肋板组,123-圆周壁,124-推脚,1241-推脚板,
2-抵接盘,21-中央通孔,
3-杆壁管,31-窗口,32-形变片,
4-传动组件,
41-第一传动组件,411-第一传动管,412-传动臂,413-转环,
42-第二传动组件,421-调节框,4212-导引槽,422-调节块,422a-第二导引斜面,4221-导引凸块,4222-防晃凸条,423-弹性件,424-传动杆,424a-近端,424b-远端,425-齿条,425a-上齿段,425b-下齿段,
43-第三传动组件,431-上传动环,432-连杆、433-第三传动管,434-下传动环,435-助推臂,
5-支撑组件,5’-上半部分,5”-下半部分,51-第一支撑件,511-让位空间,52-第二支撑件,53-缝合通道,54-让位凹槽,541、542-槽壁,55-容置孔,
6-执行组件,
61-定位组件,611-助动臂,6111-腰形槽,612-枢转轴,613-定位叶片,614-凸伸部,
62-缝合组件,621、622-缝合件,623-齿轮,624-旋转轴,625-第一缝合臂、626-第二缝合臂,627-缝合针头,
63-接收组件,631、632-接收件,6311-接收部,6312-卡持部,6313-接收片,6314-阻挡臂,
64-针头固定组件,641、642-可动件,641a-限位狭缝,
7-穿刺尖端,71-第一壁壳,72-第二壁壳,711,721-有齿件,7111-第一限位凸块,712-第一支撑轴,722-第二支撑轴,73-凸起,
8-插块组件,81-按钮,82-卡钩,83-弹簧,
9-盖体,91-圆孔,92-周向通孔.
具体实施方式
下面详细描述本发明的实施例,所述实施例的示例在附图中示出。在本发明的描述中,“若干”的含义是至少一个,除非另有明确具体的限定。
下面通过参考附图描述的实施例是示例性的,旨在用于解释本发明,而不能理解为对本发明的限制。
为了便于描述,在本发明实施例中,设定所有部件靠近医生的一端为“近端”或“上方”,远离医生的一端即靠近患者身体的一端为“远端”或“下方”。连接包括直接连接,也包括间接连接。连接包括固定连接,也包括可活动的连接、可分离的连接等,除非另有明确限定。
请参照图1,本发明提供一种穿刺器,穿刺器包括套管组件(未标号)和部分套设于所述套管组件内的穿刺芯组件。请参照图2和图3,穿刺芯组件包括操作组件1、抵接盘2、杆壁管3、传动组件4、支撑组件5、执行组件6、穿刺尖端7、插块组件8和盖体9。盖体9将抵接盘2上表面覆盖,防止异物落入抵接盘2,影响穿刺芯组件功能的实现。盖体9中央设置圆筒91,圆筒91套设于操作组件1外侧,操作组件1外露于圆筒91的部分可被医生操纵,在圆筒91内部,操作组件1与传动组件4连接。抵接盘2中央开设与圆筒91同轴的中央通孔21,传动组件4穿设于中央通孔21。传动组件4下方为支撑组件5,支撑组件5用于支撑和保护执行组件6。支撑组件5包括两个结构相同的支撑件,分别为第一支 撑件51和第二支撑件52。传动组件4外侧套设杆壁管3,杆壁管3的近端连接于抵接盘2的下表面并且杆壁管3与中央通孔21同轴,杆壁管3的远端包围支撑组件5的上半部分5’并与上半部分5’固定连接。支撑组件5的下半部分5”暴露于杆壁管3和穿刺尖端7之间,且下半部分5”的外表面与杆壁管3的外表面齐平,从而穿刺芯组件能够不受阻碍地进出穿刺口。杆壁管3的外表面即穿刺芯组件的外表面。杆壁管3的远端的端面向下延伸形成两个对称的形变片32,上半部分5’和下半部分5”交界处具有让位凹槽54,如图4和图6所示,让位凹槽54的槽壁541位于形变片32的远端的端面和杆壁管3的远端的端面之间,当上半部分5’外套设杆壁管3后,让位凹槽54具有可供形变片32弯折的空间,使用变形工具将形变片32向内弯折形成卡钩(未图示),并使卡钩与槽壁541抵接,如此,槽壁541阻止卡钩轴向移动,从而阻止杆壁管3轴向移动。并且,杆壁管3上开设至少一个第一销孔(未图示),支撑组件5的上半部分上开设至少一个第二销孔(未图示),当支撑组件5的上半部分外侧套设杆壁管3后,使第一销孔和第二销孔同轴,使用固定销(未图示)依次插入同轴的第一销孔和第二销孔,从而使杆壁管3与支撑组件5的上半部分固定,进而使杆壁管3与支撑组件5相连接。杆壁管3外侧套设套管组件,套管组件近端与抵接盘2的下表面可分离地连接。插块组件8用于实现所述可分离地连接,插块组件8包括两个对称的插块件(未标号),每个插块件包括按钮81、卡钩82和弹簧83。按钮81可活动地连接于抵接盘2上方,卡钩82固定连接于按钮81并且自按钮81延伸至抵接盘2下方,弹簧83位于盖体9内,其一端与按钮81抵接,另一端与抵接盘2的竖直部分抵接。卡钩82可与套管组件卡接,按钮81和弹簧83用于使卡钩82移动,使得卡钩82与套管组件脱离,进而使得抵接盘2与套管组件的近端分离,该插块组件8为现有技术,不作赘述。在本发明中,基于附图2所示的位置关系,将穿刺芯组件中穿刺尖端7所在的一端称为远端或下方,穿刺芯组件中操作组件1所在的一端称为近端或上方,并将靠近杆壁管3中心轴线的一侧称为内侧,将远离杆壁管3中心轴线的一侧称为外侧,将杆壁管3半径方向称为径向,将杆壁管3中心轴线的方向称为轴向,将垂直于轴向的方向称为横向,横向包括径向,将垂直于杆壁管3中心轴线的、平行于杆壁管3圆周的方向定义为周向,将平行于周向的面定义为周向面。杆壁管3的中心轴线即穿刺芯组件的中心轴线。杆壁管3的上述各个方向即穿刺芯组件的相应的各个方向,杆壁管3的上述各个面即穿刺芯组件的相应的各个面。穿刺芯组件的外表面指的是杆壁管3的外表面。
手术时,医生先在患者的腹部划开一个小切口,利用本发明提供的穿刺芯组件的穿刺尖端7穿刺人体组织形成穿刺口,并将套管组件下端部分插入人体体内,通过按压插块组件8将穿刺芯组件与套管分离,并从套管中拔出穿刺芯组件,然后将外科手术器械伸入套管中,进行手术,待手术完毕后,取出外科手术器械,将穿刺芯组件重新插入套管中,通 过插块组件8使得穿刺芯组件与套管组件重新卡接,启动缝合操作。按照操作顺序,采用本发明所提供穿刺芯组件的缝合操作过程包括以下动作或步骤:定位、形成缝合通道、出针缝合、释放缝合线、接收针头、固定针头、复位。进一步的,在穿刺芯组件复位后,医生可以拔出穿刺芯组件、打结缝合线。其中,出针缝合的操作和释放缝合线的操作同步开始执行,且释放缝合线的操作先于出针缝合的操作执行完毕。
请参照图3,医生操纵操作组件1而产生驱动力,所述驱动力由传动组件4向执行组件6和穿刺尖端7传递,使执行组件6和穿刺尖端7执行缝合操作。所述操作组件1从上至下包括压盖12和转盘11,传动组件4包括由内而外套设的第二传动组件42、第一传动组件41和第三传动组件43,执行组件6包括定位组件61、缝合组件62、接收组件63和针头固定组件64。具体地,操纵转盘11使其转动,转盘11转动驱使第一传动组件41转动,第一传动组件41带动定位组件61转动,定位组件61转动以执行定位动作和形成缝合通道,使得定位动作与形成缝合通道同步进行;操纵压盖12使其移动,压盖12的移动驱使第二传动组件42和第三传动组件43移动,第二传动组件42移动同步带动缝合组件62动作、带动穿刺尖端7打开,缝合组件62动作以执行出针缝合动作,穿刺尖端7打开以执行释放缝合线动作,使得出针动作和释放缝合线动作同步进行;针头接收组件63无需被驱动,针头接收组件63执行接收针头动作;第三传动组件43移动以带动针头固定组件64移动,针头固定组件64移动以执行固定针头动作;复位是指定位组件61、缝合组件62和穿刺尖端7的复位。定位操作组件包括转盘11,缝合操作组件、释放缝合线操作组件或缝合针头固定操作组件均包括压盖12,定位组件包括定位执行组件。缝合组件包括缝合执行组件,缝合执行组件包括缝合针。穿刺尖端可称为释放缝合线执行组件。第一传动组件也可称为定位传动组件,第二传动组件也可称为缝合传动组件、释放缝合线传动组件,第三传动组件也可称为缝合针头固定传动组件。
参考图4、6,转盘11为一体成型件,其包括罩壳111、拨臂112。罩壳111罩设于抵接盘2上方,用于保护中央通孔21上方的传动组件4。盖体9罩设罩壳111。拨臂112的外侧端位于盖体9的外侧,拨臂112依次穿过盖体9的周向通孔92和罩壳111,拨臂112的内侧端位于罩壳111的内侧。请参照图3,周向通孔92具有供拨臂112周向移动的空间。请继续参考图4,拨臂112的外侧端为操作端,内侧端与第一传动组件41的第一传动管411卡接。第一传动组件41套设于杆壁管3内,第一传动组件41从上至下依次包括所述第一传动管411、两个对称的传动臂412、转环413。第一传动管411为沿轴向延伸的空心管,第一传动管411的近端位于中央通孔21上方,并与拨臂112的内侧端卡接,第一传动管411的远端与传动臂412的近端固定连接。两个对称的传动臂412皆沿轴向延伸,传动臂 412的近端固定于第一传动管411的外侧,传动臂412的远端与转环413一体成型。转环413位于第一支撑件51和第二支撑件52之间,转环413与定位组件61可驱动地连接。
定位组件61包括两个对称设置的、结构相同的定位件(未标号),其中一个定位件可枢转地与第一支撑件51连接,另一个定位件可枢转地与第二支撑件52连接。每个定位件的上端具有沿轴向向上延伸的凸伸部614、下端具有沿轴向向下延伸的凸伸部614,第一支撑件51和第二支撑件52均具有沿轴向向上和沿轴向向下延伸形成容置孔55,凸伸部614容置于相应的容置孔55中并且可在容置孔55中转动,由此实现一个定位件与第一支撑件51可枢转地连接、另一个定位件与第二支撑件52可枢转地连接。为描述简洁,以下仅介绍可枢转地连接于第一支撑件51的定位件。定位件包括助动臂611、枢转轴612和定位叶片613。枢转轴612沿轴向延伸,助动臂611与枢转轴612垂直并且助动臂611与转环413可驱动地连接,由此实现转环413的转动驱动助动臂611以上下两个凸伸部614的连线为轴线(即枢转轴612所在的轴线)转动,进而实现转环413的转动驱动定位件以枢转轴612为轴线转动。所述可驱动地连接是指转环413的转动可驱动助动臂611转动。具体来说,转环413设置有向上凸伸的凸伸部(也称为助动体)(未图示),如图5所示,所述助动臂611具有腰形槽6111,助动体容置于腰形槽6111中,且助动体可在腰形槽6111内移动。当转环413沿周向旋转时,助动体也随之沿周向旋转,助动体沿周向旋转使其在腰形槽6111中移动并且带动腰形槽6111以枢转轴612为轴线转动,腰形槽6111所在的助动臂611也以枢转轴612为轴线转动,进而使得定位叶片613以枢转轴612为轴线向外转动和向内转动。第一支撑件51包括让位空间511,助动臂611位于让位空间511内,助动臂611的一端与枢转轴612的近端一体成型。枢转轴612沿轴向延伸,定位叶片613一体成型于枢转轴612的远端。当定位叶片613未旋转时(即关闭状态),定位叶片613与杆壁管3和第一支撑件51的外表面齐平;当定位叶片613旋转后(即开启状态),定位叶片613突出于杆壁管3和第一支撑件51的外表面。因此,两个定位叶片613旋转后突出于杆壁管3的外表面,并与穿刺口两侧的组织抵接,从而实现定位功能,此时缝合组件62处于可缝合位置。由于定位叶片613的上表面与组织形成面接触,并且所述上表面与穿刺芯组件的轴线相垂直,因此定位比较准确。由于定位叶片613以穿刺芯组件的一轴向为中心轴线旋转,使得定位叶片613与组织之间的接触面积不受定位叶片613转动后位置的影响。定位叶片613的上表面与组织形成面接触而非点接触,因此定位比较准确。
当转盘11未转动而处于初始位置,拨臂112位于周向通孔92的一端。医生沿第一周向拨动拨臂112,拨臂112在周向通孔92内沿第一周向转动,拨臂112带动第一传动组件41沿第一周向转动,第一传动管411沿第一周向转动,第一传动管411带动传动臂412沿第一周向移动,传动臂412带动转环413沿第一周向转动,转环413带动定位组件61的两 个对称的助动臂611转动,两个对称的助动臂611分别带动两个枢转轴612自转,两个枢转轴612分别带动两个定位叶片613向外枢转,使得两个定位叶片613从与杆壁管3外表面齐平的状态转变为突出于杆壁管3外表面的状态,即从关闭状态转变为开启状态,两个定位叶片613突出于杆壁管3外表面,可与穿刺口两侧的组织抵接,从而实现定位功能。当拨臂112转动至周向通孔92的另一端,周向通孔92的孔壁阻挡拨臂112继续沿第一周向转动,使得定位叶片613停止转动,此时转盘11处于终止位置。定位组件61执行复位动作时,沿第二周向拨动拨臂112,所述第一周向和所述第二周向相反,按照上述动作传递关系,第一传动组件41沿第二周向转动而带动两个枢转轴612反向自转,两个枢转轴612分别带动两个定位叶片613向内枢转,从而两个定位叶片613从突出于杆壁管3外表面的状态恢复至与杆壁管3外表面齐平的状态,即从开启状态恢复至关闭状态,实现定位组件61的复位。
第一支撑件51和第二支撑件52之间具有间隔空间,将该间隔空间定义为容置空间A,所述容置空间A用于容置缝合组件62。定位叶片未旋转时,定位叶片将容置空间A中缝合组件62所在的部分封闭;当定位叶片旋转后,将容置空间A中缝合组件62所在的部分暴露,露出缝合通道53。缝合组件62可穿过缝合通道53运动至杆壁管3外侧,从而执行出针动作。
请参照图7~9,压盖12包括按盘121、圆周壁123和两个对称的推脚124,按盘121外露于盖体9,圆周壁123的近端和两个推脚124的近端均一体成型于按盘121的下表面并且均沿轴向延伸。圆周壁具有两处对称的缺口122,两处缺口122均是去除圆周壁123的一部分后形成。缺口122包括两个沿轴向延伸的狭缝122a,每个狭缝122a的内侧的两侧沿径向向内凸伸形成两个肋板,将上述两个肋板称为一组肋板,将每组肋板定义为肋板组1221,两个肋板组1221和两个推脚124交错布置。每个推脚124的轴向长度均大于圆周壁123的轴向长度,推脚124的远端沿径向向内凸伸形成推脚板1241。当压盖12未被按压而处于第一位置时,每个肋板组1221与第二传动组件42的调节块422抵接。按压压盖12,肋板组1221下压调节块422,使得调节块422所在的第二传动组件42向下移动。如图11~13所示,第二传动组件42向下移动以带动缝合组件62执行出针动作、穿刺尖端7执行释放缝合线动作。待出针缝合动作执行完毕,如图14所示,压盖12移动至第二位置。继续按压压盖12,两个推脚板1241与第三传动组件43的上传动环431抵接,继续按压压盖12使得推脚板1241下压上传动环431,使得上传动环431所在的第三传动组件43向下移动。如图15~17所示,第三传动组件43向下移动以带动针头固定组件64执行固定针头动作,待固定针头动作执行完毕,压盖12移动至第三位置。缝合组件、穿刺尖端和针头固定组件共用压盖12进行操作,减少了操作组件的数量,提升了操作的便利性。
请参照图7,第二传动组件42包括调节部(未标号)、传动杆424和齿条425。参照图10,调节部包括弹性件423、调节框421、两个对称的调节块422.弹性件423为弹簧,弹性件423位于两个调节块422之间,每个调节块422设置为其一部分可在调节框421内、外之间沿径向移动,调节框421的中间部分收容于两个推脚124之间。当压盖12处于第一位置和第二位置、以及从第一位置移动至第二位置的过程中时,由于弹性件423的弹力,两个调节块422之间保持一定距离,调节块422部分外露于调节框421,调节部处于第一状态,每个肋板组1221与同侧的调节块422抵接。当压盖12从第二位置向下移动至第三位置时,弹性件423收缩,调节块422收容于调节框421内,调节部处于第二状态。调节框421向下延伸的圆柱形部分与传动杆424的近端424a固定连接,传动杆424的近端424a位于两个推脚板1241上方,两个推脚板1241之间的径向距离小于近端424a的宽度,如此当压盖12被提拉时,推脚板1241与传动杆424的近端424a抵接,从而拉动近端424a所在的第二传动组件42向上移动,第二传动组件42向上移动带动缝合组件62和穿刺尖端7执行复位动作。传动杆424沿轴向向下延伸,穿过第一传动组件41后形成远端424b,远端424b连接于齿条425。齿条425两侧设置有齿,两侧的齿从上至下分为两段,分别为上齿段425a与下齿段425b,上齿段425a两侧对称地设置有齿,上齿段425a向缝合组件62传递驱动力以驱使缝合组件62执行出针缝合动作,下齿段425b至少一侧设置齿,下齿段425b向穿刺尖端7传递驱动力以驱使穿刺尖端7执行释放缝合线动作。
请参照图11,缝合组件62包括结构相同的缝合件621、622。为使描述简洁,以下仅介绍缝合件621。缝合件621包括齿轮623、旋转轴624、第一缝合臂625、第二缝合臂626和缝合针头627。上齿段425a一侧的齿与齿轮623啮合,齿轮623套设且固定于旋转轴624,旋转轴624的一端与第一支撑件51可旋转地连接,另一端与第二支撑件52可旋转地连接,旋转轴624与第一缝合臂625的一端固定,第一缝合臂625为带有让位弯曲的臂,该弯曲用于给缝合件622的旋转轴让位,以使得缝合件622的旋转轴与缝合件621的旋转轴624位于同一横向平面,第一缝合臂625的另一端与第二缝合臂626的一端固定。第二缝合臂626为弯臂,第二缝合臂626的另一端与缝合针头627可分离地连接;缝合线的一个端部拴系于缝合针头627,缝合线的另一个端部拴系于缝合件622的缝合针头。当齿条425沿轴向向下移动时,上齿段425a一侧的齿带动齿轮623旋转,齿轮623旋转带动旋转轴624沿第一方向自转,旋转轴624带动第一缝合臂625、第二缝合臂626和缝合针头627沿第一方向旋转。当缝合针头627沿第一方向旋转时,带动缝合线的一个端部自穿刺芯组件内旋转至穿刺芯组件外,并穿过穿刺口一侧的人体组织。上齿条425a的另一侧齿带动缝合件622以同样的方式沿第二方向旋转,使得缝合线的另一个端部也自穿刺芯组件内旋转至穿刺芯组件外,并穿过穿刺口另一侧的人体组织。第一方向与第二方向相反。
请参照图12,缝合针头带动缝合线的端部穿过穿刺口周围的人体组织后,被接收组件63接收。接收组件63设置于支撑组件5的上半部分5’。接收组件63包括两个结构相同的接收件631、632。为使描述简洁,以下仅介绍接收件631。接收件631包括接收部6311、位于接收部6311两侧的卡持部6312、和位于接收部6311中央的接收片6313。接收部6311和卡持部6312一体成型,卡持部6312具有弯折的形状,支撑组件5开设与卡持部6312形状匹配的收容空间,第一支撑件51固定一侧的卡持部6312,第二支撑件52固定另一侧的卡持部6312,使接收部6311位于容置空间A的上方,从而使接收部6311位于缝合件621的旋转路径中。通过两个结构相同的接收件631、632,第一支撑件51与第二支撑件52连接。接收片6313设置于接收部6311,接收片6313为弹性网格片或者具有镂空结构的弹性镂空片,弹性网格片的网格或者弹性镂空片的镂空结构用于卡持缝合针头627。杆壁管3开设窗口31,接收片6313位于窗口31内,缝合针头627穿过穿刺口一侧的人体组织后,穿过窗口31而被接收片6313卡持,缝合件622的缝合针头以同样的方式被接收件632的接收片同步卡持,从而实现接收缝合针头,如图13所示。
在本发明中,将穿刺口看作孔洞,孔洞上方为体外,孔洞下方为体内,孔洞周围为人体的体腔壁组织,穿刺口的侧面是指孔洞的侧壁,穿刺口两侧的人体组织是指孔洞周围的人体的体腔壁组织。本发明选择对穿刺口由内向外缝合,即缝合针头带动缝合线从穿刺口两侧的组织的最下层(即筋膜层)穿入,从穿刺口的侧面穿出,这样能够较好地将筋膜层缝合。由于本发明提供的穿刺芯组件中,缝合线的两个端部分别栓系于缝合件621、622的缝合针头,使用上述缝合方式,会存在在缝合出针之前,如何使缝合线的除去两个端部以外的部分送入体腔内的问题。为使描述简洁,将缝合线除去两个端部以外的部分定义为释放部分。为解决上述问题,本发明使释放部分跟随穿刺芯组件的下半部分一起穿过穿刺口进入体腔内,具体地:将缝合线的释放部分容置于穿刺尖端7中,使得释放部分跟随穿刺尖端7穿过穿刺口进入体腔内。释放部分跟随穿刺尖端7进入穿刺口后,在进行缝合操作时,需要释放缝合线以使得缝合线具有足够的长度。本发明中,释放缝合线的动作由穿刺尖端7执行。
请参照图13和14,所述穿刺尖端7为圆锥形。所述穿刺尖端7内部具有尖端内腔,所述尖端内腔容置缝合线的释放部分,当穿刺尖端7打开时,缝合线的释放部分由于重力和自身弹性作用,在穿刺尖端7下方展开形成曲线段,实现释放缝合线的功能。为使穿刺尖端7能被打开,穿刺尖端7包括可相互分离的第一壁壳71和第二壁壳72,第一壁壳71和第二壁壳72合拢后形成尖端内腔。第一壁壳71和第二壁壳72可相互卡接,以使两者合拢稳固。具体地,第一壁壳71和第二壁壳72其中一个的侧面设置有槽(未图示),另外一个的侧面设置有凸起73,凸起73卡持于槽中使得第一壁壳71和第二壁壳72卡接。卡接 可以使得穿刺尖端在穿刺时第一壁壳71与第二壁壳72不会分离,第二传动组件42沿轴向移动可以使第一壁壳71与第二壁壳72之间解除卡接并使得第一壁壳71与第二壁壳72分离。第一壁壳71和第二壁壳72各自枢转,以实现两者相互分离。所述枢转是指第一壁壳71和/或第二壁壳72相对于支撑组件5枢转,为实现第一壁壳71相对于支撑组件5枢转,有齿件711设置于第一壁壳71,有齿件711通过第一支撑孔套设于第一支撑轴712,第一支撑轴712的一端与第一支撑件51固定,另一端与第二支撑件52固定,使得第一支撑轴712与支撑组件5固定,第一壁壳71可围绕第一支撑轴712枢转;有齿件721设置于第二壁壳72,有齿件722通过第二支撑孔套设于第二支撑轴722,第二支撑轴722的一端与第一支撑件51固定,另一端与第二支撑件52固定,使得第二支撑轴722与支撑组件5固定,第二壁壳72可围绕第二支撑轴722枢转。为驱动第一壁壳71围绕第一支撑轴711枢转、第二壁壳72围绕第二支撑轴722枢转,有齿件711、721设置有若干个齿,所述若干个齿与齿条425的下齿段425b的齿选择性啮合,从而第一壁壳71和第二壁壳72之间的相对枢转、缝合件621、622的旋转可被齿条425同步驱动。所述相对枢转包括第一壁壳71和第二壁壳72均枢转、第一壁壳71和第二壁壳72中一个枢转另一个保持不动。仅需要第一壁壳71和第二壁壳72中的一个枢转时,可在齿条425的下齿段425b一侧设置齿,另一侧不设置齿。为使描述简洁,以下仅介绍第一壁壳71和第二壁壳72均枢转的情况:在穿刺尖端7位于初始状态(即未打开)时,齿条425的下齿段425b与有齿件711、721相啮合。当齿条425向下移动时,上齿段425a一侧的齿驱动齿轮623沿第一方向旋转,齿轮623沿第一方向旋转而带动旋转轴624、第一缝合臂625、第二缝合臂626和缝合针头627沿第一方向旋转,下齿段425b一侧的齿驱动有齿件711沿第一方向旋转,有齿件711带动第一壁壳71沿第一方向枢转;同时,上齿段425a另一侧的齿驱动缝合件622沿第二方向旋转,下齿段425b的另一侧的齿驱动有齿件721沿第二方向旋转,有齿件721带动第二壁壳72沿第二方向枢转,从而实现第一壁壳71和第二壁壳72均枢转,穿刺尖端7被打开,进而释放缝合线,此时穿刺尖端7处于终止状态。由于本发明采用对穿刺口由内向外缝合,每个缝合件的缝合针头的运动轨迹为:从穿刺芯组件内旋转至穿刺芯组件外,并穿过穿刺口一侧的人体组织,该段运动轨迹需要每个缝合件旋转180度,因此齿条425需要下移足够的长度,使得缝合件621和622能够旋转180度。但考虑到第一壁壳71和第二壁壳72的枢转的最大角度与齿条425下移的长度,当第一壁壳71和/或第二壁壳72枢转至最大角度后,齿条425仍然要向下移动,继而使得有齿件711与有齿件721不再与下齿段425b啮合,此时需要使穿刺尖端7保持在终止状态,以待被下齿段425b驱动而复位,为达到上述目的,有齿件711的一个侧面沿与横向凸伸形成第一限位凸块7111,第一支撑件51或者第二支撑件52的内表面具有供所述第一限位凸块7111滑动的第一限位卡槽(未图示),部分第 一限位卡槽的尺寸减小由此可与第一限位凸块7111过盈配合,第一限位卡槽的部分对应于第一壁壳71枢转至最大角度时第一限位凸块7111在第一限位卡槽中所在的位置,当第一壁壳71沿第一方向枢转时,第一限位凸块711跟随有齿件711沿第一方向旋转,在旋转的过程中,第一限位凸块711进入第一限位卡槽,并在第一限位卡槽内滑动,当第一壁壳71枢转至最大角度后,第一限位凸块711卡持于第一限位卡槽内,使得第一限位凸块711所在的有齿件711保持位置,有齿件711保持位置使得第一壁壳71保持打开状态;并且/或者,有齿件721的一个端面沿横向向外凸伸形成第二限位凸块(未标号),第一支撑件51或者第二支撑件52的内表面具有供所述第二限位凸块滑动的第二限位卡槽(未图示),部分第二限位卡槽的尺寸减小由此可与第二限位凸块过盈配合,第二限位卡槽的所述部分对应于第二壁壳72枢转至最大角度时第二限位凸块在第二限位卡槽中所在的位置,当第二壁壳72沿第二方向枢转时,第二限位凸块跟随有齿件711沿第二方向旋转,在旋转的过程中,第二限位凸块进入第二限位卡槽,并在第二限位卡槽内滑动,当第二壁壳72枢转至最大角度后,第二限位凸块卡持于第二限位卡槽内,使得第二限位凸块所在的有齿件721保持位置,有齿件721保持位置使得第二壁壳72保持打开状态,第一壁壳71和/或第二壁壳72保持打开状态,则使得穿刺尖端7保持在终止状态。当缝合件621和622旋转180度且缝合针头被接收组件63接收、被针头固定组件64固定后,可使缝合组件62和第一壁壳71和/或第二壁壳72执行复位动作。向上提拉压盖12,使得推脚板1241与传动杆424的近端424a抵接,推脚板1241提拉传动杆424,使得传动杆424所在的第二传动组件42向上移动,进而使得齿条425向上移动,齿条425的上齿段425a一侧的齿带动齿轮623沿第二方向自转,齿轮623沿第二方向自转而带动旋转轴624、第一缝合臂625、第二缝合臂626和缝合针头627沿第二方向旋转,当齿条425向上移动一段距离后,下齿段425b一侧的齿遇到有齿件711并且与有齿件711啮合,从而驱动有齿件711沿第二方向旋转,有齿件711带动第一壁壳71沿第二方向枢转;同时,上齿段425a另一侧的齿驱动缝合件622沿第一方向旋转,下齿段425b的另一侧的齿驱动有齿件721沿第一方向旋转,有齿件721带动第二壁壳72沿第一方向枢转,使得第一壁壳71和第二壁壳72相向枢转,直至第一壁壳71与第二壁壳72合拢形成穿刺尖端7,此时穿刺尖端7恢复至初始状态,从而实现缝合组件62与第一壁壳71、第二壁壳72同步执行复位动作。值得注意的是,第一壁壳71与第二壁壳72为两个不对称的结构,在本实施例中,第一壁壳71小于第二壁壳72,使得穿刺力集中于第二壁壳72,避免在穿刺时,在人体组织对穿刺力集中点的反作用力驱使下,第一壁壳71和第二壁壳72发生非预期的分离。缝合组件62与穿刺尖端7共用一根齿条驱动,实现了两者的同步动作,满足了两者之间的动作逻辑关系,并且节省了穿刺器的布局空间。
请参照图14~15,第三传动组件43从上至下依次包括上传动环431、两个对称的连杆432、第三传动管433、下传动环434和两个对称的助推臂435,上传动环431、第三传动管433和下传动环434同轴且外径相等。上传动环431与连杆432的近端固定,两个连杆432之间供拨臂112穿过而与第一传动管411卡接,连杆432的远端与第三传动管433的近端固定。第三传动管433在杆壁管3和第一传动管411之间沿轴向延伸。第三传动管433的远端与下传动环434固定。下传动环434与助推臂435的近端固定。助推臂435位于第一支撑件51和第二支撑件52之间,由此第三传动组件43中助推臂435的旋转被第一支撑件51和第二支撑件52阻止,从而使得第三传动组件43的旋转被阻止。进一步地,第一限位部56和/或第二限位部57的外表面具有凸点(未图示),下传动环434的内壁具有凹陷(未图示),凸点容置于凹陷中,从而阻止下传动环434因重力而沿轴向向下移动,进而使得下传动环434所在的第三传动组件43在未被压盖12下压时保持不动。
当压盖12从第二位置被按压而向下移动至第三位置的过程中,压盖12的推脚板1241与上传动环431抵接并推动第三传动组件43向下移动,使下传动环434克服凸点的阻力而移动,下传动环434向下移动使得助推臂435在第一支撑件51和第二支撑件52之间沿轴向向下移动,从而带动针头固定组件64执行固定针头动作。容置孔55所在的端面即第一支撑件51和第二支撑件52的上端面。
需要说明的是,由于压盖12需要向下移动足够的位移使得每个缝合件旋转180度,也即使得缝合针头被接收组件63接收后,才能执行固定针头动作。上述足够的位移定义为h,当压盖12位于第一位置时,第三传动组件43的上传动环434与推脚板1241之间的轴向距离大于h,使得当压盖12从第一位置被按压而向下移动时,每个缝合件旋转,第三传动组件43保持固定,直至压盖12向下移动位移h后,每个缝合件已旋转180度,此时第二传动组件42固定,不再带动缝合组件62动作,推脚板1241下移与上传动环434抵接,从而带动针头固定组件64执行固定针头动作。
请参照图13和图15,针头固定组件64设置于针头接收组件63上方,针头固定组件64包括两个对称的可动件641、642,可动件641位于接收件631轴向的上方,可动件642位于接收件632轴向的上方,为使描述简洁,以下仅介绍可动件641。可动件641的近端固定于助推臂435的外侧,可动件641的远端为开放性端部,所述开放性端部通过开设限位狭缝641a实现,限位狭缝641a用于进一步卡持已卡持于接收片6313的缝合针头627。当压盖12位于第二位置时,按压压盖12,压盖12向下移动带动第三传动组件43向下移动,第三传动组件43带动可动件641向下移动,可动件641下移使得缝合针头627与限位狭缝641a大致保持垂直地进入限位狭缝641a中,直至缝合针头627已经卡入限位狭缝641a的近端,缝合针头627阻止限位狭缝641a的近端继续向下移动,使得可动件641与第三传 动组件43皆无法继续向下移动,进而使得压盖12无法继续向下移动,则此时压盖12位于第三位置,如图17所示。此时可动件641的远端在径向上位于接收件631与阻挡臂6314之间,所述阻挡臂6314由卡持部6312向接收部6311外侧延伸形成。当压盖12位于第三位置时,提拉压盖12,推脚板1241上移至与传动杆424的近端424a抵接,推脚板1241向上移动与传动杆424的近端424a抵接的距离等于压盖12从第三位置移动至第二位置的距离,推脚板1241拉动传动杆424进而拉动第二传动组件42整体上移,第二传动组件42带动缝合组件62执行复位。缝合组件62执行复位时,齿条425沿轴向上移动,上齿段425a一侧的齿带动齿轮623旋转,齿轮623旋转带动旋转轴624沿第二方向自转,旋转轴624带动第一缝合臂625、第二缝合臂626沿第二方向旋转,第二缝合臂626旋转时欲带动缝合针头627移动,但缝合针头627的移动被接收片6313和可动件641阻止,在该过程中,缝合针头627给予接收片6313和可动件641反作用力,所述反作用力使可动件641产生翘起,但所述翘起被阻挡臂6314的内表面阻挡,使可动件641保持对缝合针头627的卡持,因此缝合针头627被卡持而与第二缝合臂626分离,分离后,第一缝合臂625、第二缝合臂626从穿刺芯组件外旋转返回容置空间A中,缝合针头627继续卡持于接收件631中,从而实现对缝合针头627的固定。由于缝合线的一个端部拴系于缝合针头627,则缝合线的该端部也被固定于接收件631、可动件641中,穿刺芯组件被提拉至体外后,缝合线的该端部也被带至体外。通过使用上述同样的方法,实现缝合件622的缝合针头被可动件642固定,从而缝合线的另一个端部也被固定于接收件632、可动件641中,并同样可被穿刺芯组件带至体外。可动件641可保持对缝合针头的固定。可动件641可与阻挡臂6314配合。
在本发明中,缝合组件62执行出针动作、穿刺尖端7执行释放缝合线动作、针头固定组件64执行固定针头动作可避免被误执行,所述避免被误执行由避免被误驱动实现。其中避免出针动作和释放缝合线动作被误驱动通过转盘11阻止压盖12在第一位置时被误按压实现,避免固定针头动作被误驱动通过转盘11阻止压盖12在第二位置时被误按压实现。
转盘11阻止压盖12在第一位置时被误按压是指:请继续参照图4和图6,转盘11还包括两个对称的阻挡翼(未标号),每个阻挡翼包括阻挡翼本体和阻挡片113,由罩壳111的上部的外表面沿径向向外凸伸形成条状的阻挡翼本体(未标号),由阻挡翼本体的顶部沿轴向向上凸伸超出罩壳111的上端面,形成阻挡片113。如图4所示,转盘11处于初始位置时,阻挡片113与压盖12的圆周壁123抵接,使得阻挡片113阻止压盖12在第一位置时被误按压,从而可避免出针动作和释放缝合线动作被误驱动。如图6所示,转盘11从初始位置转动至终止位置时,转盘11沿第一周向旋转至阻挡片113与圆周壁123错开、与缺口122对齐,阻挡片113不再阻挡压盖12下移,进而使压盖12可从第一位置向下移动至第二位置,从而可驱动缝合组件62执行出针动作和驱动穿刺尖端7执行释放缝合线动作。
转盘11阻止压盖12在第二位置时被误按压是指:请继续参照图14和图16,两个阻挡片113的顶部皆设置有第一导引斜面113a,调节块422具有在底面和侧面之间延伸的第二导引斜面422a,第一导引斜面113a与第二导引斜面422a匹配。如图14所示,当压盖12位于第二位置时,第一导引斜面113a与第二导引斜面422a抵接,第一导引斜面113a阻止调节块422下移,调节块422进而阻止肋板组1221下移,肋板组1221被阻止向下移动使得压盖12在第二位置时避免被误按压,从而可避免固定针头动作被误驱动。加大对压盖12的按压力,使得肋板组1221对调节块422的压力增加,肋板组1221对调节块422的压力增加使得第二导引斜面422a对第一导引斜面113a的压力增加,第二导引斜面422a对第一导引斜面113a的压力增加使得第一导引斜面113a对第二导引斜面422a的反作用力增加,该反作用力被第二导引斜面422a分解形成径向力和轴向力,所述径向力径向向内使得两个调节块422相互靠近,进而使弹性件423收缩,两个调节块422相互靠近使调节块422从部分外露于调节框421移动至全部收容于调节框421内,第一导引斜面113a与第二导引斜面422a不再抵接,调节部从第一状态转变为第二状态,在第二状态下,调节部的径向长度缩小、调节块422不再阻碍肋板组1221下移。预先设置的第一导引斜面113a和第二导引斜面422a的倾斜角度,可以使得调节块422克服肋板组1221对其施加的压力而移动。继续按压压盖12,由于调节框421的径向长度小于两个阻挡片113之间的径向距离,进而使调节框421收容于两个阻挡片113之间。此时,两个调节块422受到弹性件423的弹力作用从而分别与两个阻挡片113中的一个的内表面抵持,使得调节框421固定于两个阻挡片113之间。由于调节块不再阻碍肋板组1221下移,当压盖12继续向下移动,则阻挡片113进入狭缝122a内,并使阻挡片113在狭缝122a内相对移动。在此过程中,压盖12不与调节部接触,使得调节部所在的第二传动组件42不受到驱动力而保持固定,与此同时,压盖12的推脚板1241向下移动碰触上传动环431,进而推动上传动环431,进而使得整个第三传动组件43向下移动,第三传动组件43向下移动带动针头固定组件64执行固定针头动作,待固定针头动作执行完毕后,压盖12位于所述第三位置,如图15所示。
作为优选,为了防止调节块422在静止或移动过程中,弹性件423将调节块422完全弹出调节框421,以及为了避免调节块422在移动的过程中,调节块422与调节框421相互摩擦而产生剧烈晃动的问题,如图10和图16所示,调节块422的侧面向外凸伸形成了导引凸块4221,调节框421上设置了供导引凸块4221径向移动的导引槽4212。当调节块422静止时,导引凸块4221位于导引槽4212内,导引槽4212可对调节块422限位以阻止调节块422完全被弹出调节框421;当调节块422移动时,导引凸块4221在导引槽4212内移动,导引槽4212可减小调节块422移动时的晃动幅度。为了进一步增强调节块422移 动的稳定性,调节块422的表面设置了防晃凸条4222,防晃凸条4222使得调节块422与调节框421之间的接触面积减小,从而减小两者之间的摩擦力。
综上所述,请参照图2~18,本发明提供的穿刺芯组件,具有驱动、传动以及执行缝合操作的部件。在缝合时,穿刺芯组件与套管组件的一部分位于穿刺口外,一部分位于穿刺口内。启动缝合操作时,先沿第一周向拨动转盘11的拨臂112,拨臂112沿第一周向转动以带动第一传动组件41转动,第一传动组件41带动定位组件61的定位叶片向外旋转,定位叶片向外枢转后突出于杆壁管3的外表面,向上提拉穿刺芯组件,使定位叶片的上端与穿刺口两侧的筋膜层抵接,实现定位;定位叶片枢转之后,露出容置空间A中缝合组件62所在的空间,该所在的空间即为缝合通道53。向下按压压盖12使压盖12向下移动,压盖12向下移动驱动第二传动组件42向下移动,第二传动组件42的齿条425的上齿段425a向下移动带动缝合组件62旋转,缝合组件62中的缝合件621沿第一方向旋转,缝合件622沿第二方向旋转,实现出针缝合。两个缝合针头旋转后进入接收组件63,缝合件621的缝合针头627被接收件631接收,缝合件622的缝合针头被接收件632接收。齿条425的下齿段425b向下移动带动第一壁壳71和第二壁壳72相对枢转,从而打开尖端内腔,尖端内腔内的缝合线释放部分在重力和缝合线自身的弹力作用下自内腔中脱离并展开形成曲线段,实现缝合线的释放。继续向下按压压盖12,使得压盖12行走,此时第二传动组件42和缝合组件62保持固定,推脚124向下推动第三传动组件43,第三传动组件43推动可动件641、642向下移动,可动件641的限位狭缝641a卡持缝合针头627,可动件642的限位狭缝卡持缝合件622的缝合针头,实现针头固定。向上提拉压盖12,压盖12上移使第二传动组件42上移,第二传动组件42的齿条425的上齿段425a使缝合组件62反向旋转,缝合组件62的两个第二缝合臂与各自连接的缝合针头分离,第一缝合臂和第二缝合臂旋转返回容置空间A中,实现缝合组件62的复位。齿条425的下齿段425b使第一壁壳71和第二壁壳72相对枢转,第一壁壳71和第二壁壳72重新合拢,实现穿刺尖端7的复位。向上提拉压盖12的过程中,推脚124远离第三传动组件43,第三传动组件43以及针头固定组件64保持不动。将压盖12提拉至第一位置后,沿第二周向拨动拨臂112,拨臂112沿第二周向转动带动第一传动组件41沿第二周向转动,第一传动组件41带动定位叶片向内枢转,定位叶片从开启状态转变为关闭状态,实现定位组件61的复位,如图18所示。接着向上提拉整个穿刺器,缝合线的两个端部被穿刺芯组件带出穿刺口,剪断缝合线使得缝合线的每一端与缝合线的其余部分分离,向穿刺口外抽动缝合线,使得穿刺口收紧,将缝合线打结,从而完成缝合操作。
本发明所述“可缝合位置”是指,当穿刺芯组件位于该位置时,驱动缝合组件62,缝合组件62的缝合针头能够旋转至从穿刺口周围的组织穿入,从穿刺口侧面穿出并进入针头接收组件63内。
图19至图22示出了本发明第二实施方式的可缝合穿刺器的穿刺芯组件。
下面重点描述本实施方式的穿刺芯组件与第一实施方式的穿刺芯组件的区别:两者的缝合线释放机构不同。
在第一实施方式中,缝合线释放机构包括释放执行组件,释放执行组件包括穿刺尖端,穿刺尖端包括第一壁壳和第二壁壳,第一壁壳和/或第二壁壳相对支撑组件枢转,从而在初始状态和终止状态之间切换,在初始状态下,第一壁壳与第二壁壳合拢后形成内腔,内腔用于容置缝合线;在终止状态下,第一壁壳与第二壁壳分离,缝合线被释放。
请结合图19和图20,本实施方式中,缝合线释放机构包括释放执行组件,释放执行组件包括固定件99和穿刺尖端7',穿刺尖端7'具有收容部98,固定件99部分收容于收容部98,释放执行组件具有初始状态和释放状态,在图21所示的初始状态,穿刺尖端7'与固定件99之间形成封闭的缝合线收纳空间97,在例如图22所示的释放状态,缝合线收纳空间97外露。
将释放执行组件从初始状态切换至释放状态,由于缝合线本身具有一定弹性,当缝合线收纳空间97外露时,缝合线自动从缝合线收纳空间97弹出,实现缝合线释放的功能,为后续的缝合操作做好准备。需要说明的是,缝合线的释放有一个过程,因此释放状态不止一个位置,从缝合线收纳空间97开始外露直到外露至最大程度,缝合线收纳空间外露的整个过程均可视为释放状态。
与第一实施方式相同,本实施方式的穿刺芯组件亦包括支撑组件。请继续参见图19和图20,本实施方式中,固定件99与支撑组件5固定。具体的,固定件99包括相对位于近端的端板96。端板96的近端面设置有第一安装部95,第一安装部95与支撑组件5通过第一紧固销94实现固定,从而使固定件99与支撑组件5固定。
请参见图20和图21,固定件99包括绕线部93,在初始状态,缝合线缠绕于绕线部93,使缝合线规整的收纳在缝合线收纳空间97中。在初始状态,绕线部93的外表面与穿刺尖端7'围设形成的收容部98的内表面之间形成缝合线收纳空间97。
绕线部93与端板96的远端端面相连。绕线部93的轴向长度大于端板96的厚度,从而可以提供足够的空间以供缝合线缠绕。端板96的宽度大于绕线部93的宽度。在初始状态,穿刺尖端7'的近端面与端板96的远端面抵接,从而使缝合线收纳空间97相对封闭,缝合线无法从缝合线收纳空间97弹出。
固定件99还包括拦截板102,拦截板102与绕线部93的远端相连,拦截板102的宽度大于绕线部93的宽度,从而,端板96、绕线部93、拦截板102的轴向截面大致呈“工”字型,使缝合线能可靠的缠绕在绕线部93。
端板96的宽度(即直径)大于拦截板102的宽度(即直径),较宽的端板96可以在初始状态封闭穿刺尖端7'的近端面,从而与穿刺尖端7'配合以形成缝合线收纳空间97,较窄的拦截板102在保证绕线效果的前提下缩小固定件99远端的宽度,由于固定件99端板96以下的部分收容于穿刺尖端7'的收容部98,而固定件99端板96以下的部分中拦截板102的宽度最大,缩小拦截板102的宽度可以使得固定件99、穿刺尖端7'的尺寸更小,满足穿刺芯组件的尺寸要求。
在第一实施方式中,穿刺尖端的第一壁壳与第二壁壳相对枢转实现初始状态与释放状态的切换。
本实施方式中,穿刺尖端7'沿穿刺芯组件的轴向移动,使得释放执行组件在初始状态和释放状态之间切换。
也就是说,本实施方式中,穿刺尖端7'不再包括可相对运动的第一壁壳和第二壁壳,穿刺尖端7'一体成型,穿刺尖端7'整体沿穿刺芯组件的轴向移动,实现初始状态与释放状态之间的切换。由于穿刺尖端7'一体成型,不再存在部件与部件之间的相对运动,使得穿刺尖端7'的结构更稳定,从而使得穿刺尖端7'在穿刺组织时,能更顺利的穿透组织。而穿刺尖端7'整体沿轴向移动实现状态的切换,与缝合线释放组件的操作组件101的运动方向相同,可以简化缝合线释放传动组件的结构。
请结合图19和图20,释放执行组件包括与穿刺尖端7'固定的锁芯90,缝合线释放机构包括释放传动组件,释放传动组件驱动锁芯90轴向移动,锁芯90轴向移动带动穿刺尖端7'轴向移动。
通过锁芯90带动穿刺尖端7'轴向移动,可以简化穿刺尖端7'的结构,同时,相关的轴向导向机构(后续描述)、锁定机构(后续描述)可以设置在锁芯90上,结构设计合理。
请结合图20至图22,释放传动组件包括传动杆89,传动杆89抵接锁芯90并推动锁芯90轴向移动,最终驱动穿刺尖端7'轴向移动而在初始状态与释放状态之间切换。结构十分简单,操作简单有效。
与第一实施方式相同,缝合线释放传动组件与缝合传动组件共用传动杆89,传动杆89包括缝合驱动部、缝合线释放驱动部,缝合驱动部为设置在传动杆89侧面的(上)齿段。与第一实施方式不同的是:第一实施方式中缝合线释放驱动部为下齿段,下齿段与上齿段间隔设置,下齿段与安装在第一壁壳和/或第二壁壳的有齿件啮合时,下齿 段通过有齿件驱动第一壁壳和/或第二壁壳枢转;本实施方式中,缝合线释放驱动部为传动杆89的远端部88,远端部88与锁芯90抵接时可推动锁芯90轴向移动,从而驱动穿刺尖端7'轴向移动,最终在初始状态与释放状态之间切换。
在第一实施方式中,下齿段可分离地与有齿件啮合。本实施方式中,传动杆89在轴向上可分离地抵接锁芯90。即传动杆89与锁芯90的组合具有两个状态,在例如图21所示的第一状态,传动杆89在轴向上不推动锁芯90,在例如图22所示的第二状态,传动杆89在轴向上与锁芯90抵接并在操作件的驱动下推动锁芯90从初始状态至释放状态。需要说明的是,传动杆89和锁芯90的运动是一个过程,因此,无论是第一状态还是第二状态,都不仅仅包括一个位置,图21和图22分别示出第一状态和第二状态的其中一个位置。
具体的,锁芯90设有开口槽87,开口槽87自锁芯90的近端沿朝向远端的方向延伸,开口槽87的远端封闭形成远端面86,传动杆89的远端部88与开口槽87的远端面86抵接以推动锁芯90轴向移动。从而开口槽87可为传动杆89的运动提供导向。传动杆89的远端部88的宽度略小于开口槽87的宽度,使远端部88可以顺畅地在开口槽87中滑动。开口槽87设置在锁芯90的中央位置,使锁芯90结构规整。
需要说明的是,传动杆89无论在第一状态还是在第二状态,传动杆89的远端部88均收容于开口槽87中,区别在于,在例如图21所示第一状态,传动杆89的远端部88与开口槽87的远端面86间隔一定距离,在例如图22第二状态,传动杆89的远端部88与开口槽87的远端面86抵接。
固定件99设置轴向延伸的通孔85,锁芯90部分收容于通孔85且可在通孔85中移动。通孔85为锁芯90的轴向移动提供了导向,使锁芯90的移动更可靠。
为对锁芯90相对固定件99的轴向移动进行导向,锁芯90与固定件99之间设有轴向导向机构。轴向导向机构包括设置在锁芯90的导向槽84、设置在固定件99的导向销80,导向槽84沿轴向纵长延伸,导向销80横向穿设在导向槽84中,使锁芯90只能在导向槽84及导向销80配合限定的轴向路径上移动。锁芯90包括本体79,导向槽84横向贯穿本体79设置。固定件99设有销孔78,导向销80与销孔78紧配。固定件99包括第二安装部77,第二安装部77与拦截板102相连并相对拦截板102位于固定件99的远端,安装导向销80的销孔78设置在第二安装部77上。结构设计合理。
锁芯90位于固定件99的通孔85外的远端部分76与穿刺尖端7'相对固定。锁芯90与穿刺尖端7'的相对固定通过第二紧固销75及设置在锁芯90上的销孔58、穿刺尖端7'的销孔48紧配合实现,不再赘述。从而锁芯90可带动穿刺尖端7'相对固定件99轴向移动,而使缝合线执行组件在初始状态和释放状态之间切换。
释放执行组件在初始状态和释放状态之间切换,相应的,导向槽84的两端封闭,导向销80与导向槽84的远端抵接时,缝合线执行组件位于初始状态,导向销80与导向槽84的近端抵接时,缝合线执行组件位于释放状态的最终位置。因此,导向槽84的两端部可以对锁芯90及穿刺尖端7'的轴向移动进行限位。
为使释放执行组件保持在初始状态及释放状态的最终位置,锁芯90与固定件99之间设有锁定机构。锁定机构包括设置于锁芯90的卡钩、设置在固定件99的第一卡持部74和第二卡持部69,第一卡持部74和第二卡持部69沿轴向间隔设置,卡钩与第一卡持部74配接时,释放执行组件保持在初始状态;卡钩与第二卡接部69配接时,释放执行组件保持在释放状态的最终位置。
具体的,锁芯90包括本体79及设于本体79近端的第一杆部68、第二杆部67。第一杆部68、第二杆部67间隔设置,第一杆部68的近端设有第一卡钩66,第二杆部67的近端设有第二卡钩65。第一杆部68和第二杆部67纵长延伸并具有一定的弹性,第一杆部68和第二杆部67弹性变形,分别使得第一卡钩66运动和使得第二卡钩65运动,这使得第一卡钩66、第二卡钩65可以在锁定状态和释放状态之间切换。锁定状态即卡钩与卡持部配接的状态,释放状态即卡钩脱离卡持部的状态。
第一卡持部74设置于固定件99的近端面,具体的,设置于端板96的近端面。第二卡持部69为卡接槽,卡接槽贯穿绕线部93的侧壁。与卡钩的数量相对,卡接槽的数量亦为两个。
如前所述,固定件99设置轴向延伸的通孔85,锁芯90部分收容于通孔85且可在通孔85中移动。第一卡持部74在横截面上形成的直线段与形成通孔85的侧壁在横截面上形成的弧线段之间弧线平滑过渡,方便卡钩从锁定状态切换至释放状态。
如前所述,锁芯90设有开口槽87,开口槽87可为传动杆89的运动提供导向。具体的,开口槽87由第一杆部68与第二杆部67围设形成。
由于本实施方式的穿刺器的定位机构、缝合机构、针头固定机构与第一实施方式相同,因此,本实施方式的定位机构、缝合机构、针头固定机构的工作过程与第一实施方式相同,不再赘述。下面重点描述本实施方式的缝合线释放机构的工作过程。
在图21初始状态,缝合线的两端部与缝合针连接,缝合线的中间部分缠绕在绕线部93上,卡钩与第一卡持部74配接,穿刺尖端7'的近端与固定件99的端板96的远端面86抵接,穿刺尖端7'与固定件99之间形成封闭的缝合线收纳空间97,缠绕在绕线部93上的缝合线收容在缝合线收纳空间97中。
需要利用穿刺芯组件缝合组织时,参见图21至图22的变化,操作者通过下压操作组件101驱动传动杆89轴向下移,传动杆89下移过程中,传动杆89的上齿段驱动 缝合机构缝合组织,传动杆89下移过程中,传动杆89的远端部88沿朝向锁芯90的方向移动。
同时结合图20,传动杆89下移至其远端部88与锁芯90的开口槽87的远端面86抵接时,继续下压操作组件101,传动杆89继续下移,传动杆89提供的推动力使得第一杆部68、第二杆部67发生弹性形变,进而使得第一卡钩66运动、第二卡钩65运动,第一卡钩66、第二卡钩65脱离第一卡持部74,传动杆89继续推动锁芯90下移,锁芯90下移带动穿刺尖端7'下移,穿刺尖端7'的近端面逐渐远离端板96的远端面86,缝合线收纳空间97开始外露,外露的空间足够大时,缝合线在自身弹力作用下开始逐渐弹出缝合线收纳空间97。
继续下压操作组件101,传动杆89继续下移,下移过程中,第一卡钩66、第二卡钩65在固定件99的通孔85内滑动,当第一卡钩66、第二卡钩65与第二卡持部69相对时,第一卡钩66、第二卡钩65恢复形变,第一卡钩66和第二卡钩65分别卡入对应的第二卡持部69中,缝合外收纳空间达到最大外露程度,到达释放状态的最终位置,缝合线可以完全释放,当然,缝合线也可能在到达释放状态的最终位置前已完全释放,这取决于缝合线的弹力。
尽管上面已经示出和描述了本发明的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本发明的限制,本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (27)

  1. 一种用于穿刺芯组件的缝合线释放机构,其特征在于,所述缝合线释放机构包括释放执行组件,所述释放执行组件包括固定件和穿刺尖端,所述穿刺尖端具有收容部,所述释放执行组件具有初始状态和释放状态,在所述初始状态,所述收容部收容部分所述固定件,所述穿刺尖端与所述固定件的所述部分之间形成封闭的缝合线收纳空间;在所述释放状态,所述缝合线收纳空间外露。
  2. 根据权利要求1所述的用于穿刺芯组件的缝合线释放机构,其特征在于,所述穿刺尖端沿所述穿刺芯组件的轴向移动,使得所述固定件的所述部分被收容于所述收容件或使得所述固定件的所述部分的至少一部分自所述所述收容部移出,进而使得所述释放执行组件在所述初始状态和所述释放状态之间切换。
  3. 根据权利要求1所述的用于穿刺芯组件的缝合线释放机构,其特征在于,所述释放执行组件还包括相对所述穿刺尖端固定的锁芯,所述缝合线释放机构还包括释放传动组件,所述释放传动组件驱动所述锁芯轴向移动,所述锁芯轴向移动带动所述穿刺尖端轴向移动。
  4. 根据权利要求3所述的用于穿刺芯组件的缝合线释放机构,其特征在于,所述锁芯包括卡钩,所述固定件包括第一卡持部和第二卡持部,所述第一卡持部和所述第二卡持部沿轴向间隔设置;所述卡钩与所述第一卡持部配接,使得所述释放执行组件保持在所述初始状态;所述卡钩与所述第二卡接部配接,使得所述释放执行组件保持在所述释放状态。
  5. 根据权利要求3所述的用于穿刺芯组件的缝合线释放机构,其特征在于,所述锁芯与所述固定件之间设有轴向导向机构。
  6. 根据权利要求3所述的用于穿刺芯组件的缝合线释放机构,其特征在于,所述释放传动组件包括传动杆,所述传动杆抵接所述锁芯以推动所述锁芯轴向移动。
  7. 根据权利要求6所述的用于穿刺芯组件的缝合线释放机构,其特征在于,所述锁芯设有开口槽,所述开口槽自所述锁芯的近端沿朝向远端的方向延伸,所述开口槽的远端封闭形成远端面,所述传动杆的远端部与所述开口槽的远端面抵接以推动所述锁芯轴向移动。
  8. 根据权利要求6所述的用于穿刺芯组件的缝合线释放机构,其特征在于,所述传动杆在轴向上可分离地抵接所述锁芯。
  9. 根据权利要求3所述的用于穿刺芯组件的缝合线释放机构,其特征在于,所述 固定件设置轴向延伸的通孔,所述锁芯可移动地收容于所述通孔中。
  10. 根据权利要求9所述的用于穿刺芯组件的缝合线释放机构,其特征在于,所述锁芯位于所述通孔外的远端部分与所述穿刺尖端固定连接。
  11. 一种穿刺芯组件,其特征在于,所述穿刺芯组件包括权利要求1至10任一项所述的缝合线释放机构。
  12. 根据权利要求11所述的穿刺芯组件,其特征在于,所述缝合线释放机构包括释放操作组件,所述穿刺芯组件还包括缝合机构,所述缝合机构包括缝合操作组件,所述释放操作组件和所述缝合操作组件为同一操作组件。
  13. 根据权利要求12所述的穿刺芯组件,其特征在于,所述穿刺芯组件还包括缝合针头固定机构,所述缝合针头固定机构包括缝合针头固定操作组件,所述缝合针头固定操作组件、所述缝合操作组件、所述释放操作组件为同一操作组件。
  14. 根据权利要求11所述的穿刺芯组件,其特征在于,所述同一操作组件包括防止误操作机构,所述防止误操作机构包括第一部件和第二部件,第一部件包括调节块和弹簧,所述弹簧的一端抵接于所述调节块,另一端抵接于其它调节块或者抵接于第一部件的除所述调节块以外的其它部分;第二部件包括阻挡部;所述阻挡部具有第一导引斜面,所述调节块具有第二导引斜面;在初始位置,所述第一导引斜面与所述第二导引斜面抵接,当误操作所述第一部件的力不足以克服所述弹簧的弹力,所述阻挡部抵接所述调节块以防止第一部件被误操作而发生相对于所述第二部件的移动;当增大操作的力,所述力克服弹簧的弹力使得所述调节块沿所述导引斜面朝向所述其它调节块或所述第一部件的所述其它部分移动,当所述调节块与所述阻挡部脱离后,所述第一部件被操作以相对于所述第二部件产生移动。
  15. 根据权利要求11所述的穿刺芯组件,其特征在于,所述缝合线释放机构包括缝合线释放传动组件,所述穿刺芯组件还包括缝合机构,所述缝合机构包括缝合传动组件,所述缝合线释放传动组件与所述缝合传动组件共用传动杆,所述传动杆包括缝合驱动部、缝合线释放驱动部,所述缝合驱动部为设置在所述传动杆侧面的齿段,所述缝合线释放驱动部为所述传动杆的远端部。
  16. 一种可缝合穿刺器,包括穿刺芯组件和套管组件,所述穿刺芯组件可取出地套设于所述套管组件;其特征在于,所述穿刺芯组件为根据权利要求11至15任一项所述的穿刺芯组件。
  17. 一种可缝合穿刺器的使用方法,所述可缝合穿刺器包括穿刺芯组件和套管组件,所述穿刺芯组件可取出地套设于所述套管组件,所述穿刺芯组件包括第一操作组 件、第二操作组件、第三操作组件、定位叶片、缝合件、缝合线,所述缝合件包括缝合针头;其特征在于,所述穿刺芯组件包括穿刺尖端与固定件,所述穿刺尖端和所述固定件之间形成缝合线收纳空间,所述使用方法包括以下步骤:
    步骤S1:操作第一操作组件,使得所述定位叶片向外转动,并且使得所述定位叶片突出于所述穿刺芯组件的外表面;
    步骤S2:操作所述第二操作组件,使得所述缝合件旋转;
    步骤S3:操作所述第二操作组件,使得收纳于所述缝合线收纳空间的所述缝合线被释放;
    步骤S4:操作所述第三操作组件,所述缝合针头被卡持。
  18. 根据权利要求17所述的可缝合穿刺器的使用方法,其特征在于,所述步骤S1中,所述操作为转动。
  19. 根据权利要求17所述的可缝合穿刺器的使用方法,其特征在于,所述步骤S1进一步包括:所述定位叶片向外转动后,露出缝合通道。
  20. 根据权利要求17所述的可缝合穿刺器的使用方法,其特征在于,所述步骤S2和所述步骤S3中,所述操作均为按压。
  21. 根据权利要求17所述的可缝合穿刺器的使用方法,其特征在于,所述第二操作组件包括压盖;所述步骤S3进一步包括:按压所述压盖使其向下移动,所述压盖向下移动驱动所述穿刺尖端向下移动进而使得所述缝合线收纳空间外露;所述缝合针旋转与所述缝合线收纳空间外露同步开始执行。
  22. 根据权利要求17所述的可缝合穿刺器的使用方法,其特征在于,在步骤S1和步骤S2之间还包括步骤S11:向上提拉所述穿刺芯组件或所述可缝合穿刺器,所述定位叶片实现定位。
  23. 根据权利要求17所述的可缝合穿刺器的使用方法,其特征在于,所述步骤S4进一步包括:按压所述第三操作组件而推动第三传动组件,所述第三传动组件推动可动件向下移动,所述可动件的狭缝卡持所述缝合针头。
  24. 根据权利要求17所述的可缝合穿刺器的使用方法,其特征在于,所述使用方法还包括以下步骤:
    步骤S5:操作所述第二操作组件,使得所述缝合件返回;
    步骤S6:操作所述第二操作组件,使得所述缝合线收纳空间封闭;
    步骤S7:操作第一操作组件,使得所述定位叶片向内转动;
    步骤S8:向上提拉所述穿刺芯组件或所述可缝合穿刺器。
  25. 根据权利要求24所述的可缝合穿刺器的使用方法,其特征在于,所述步骤S5和所述步骤S6中,所述操作均为提拉。
  26. 根据权利要求24所述的可缝合穿刺器的使用方法,其特征在于,所述步骤S7中,所述操作为转动。
  27. 根据权利要求24所述的可缝合穿刺器的使用方法,其特征在于,所述第二操作组件包括压盖;所述步骤S6进一步包括:提拉所述压盖使其向上移动,所述压盖向上移动驱动所述穿刺尖端向上移动进而使得所述缝合线收纳空间封闭。
PCT/CN2020/088552 2019-05-02 2020-05-01 缝合线释放机构、穿刺芯组件、穿刺器及其使用方法 WO2020221370A1 (zh)

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CA3138816A CA3138816A1 (en) 2019-05-02 2020-05-01 Suture line release mechanism, puncture core assembly, puncture device, and use method of the puncture device
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BR112021021943A BR112021021943A2 (pt) 2019-05-02 2020-05-01 Mecanismo de liberação de linha de sutura, componente de núcleo de punção, equipamento de punção e método de uso do mesmo
KR1020217039692A KR20220011654A (ko) 2019-05-02 2020-05-01 봉합사 해제 메커니즘, 천자 코어 어셈블리, 천자 장치 및 그 사용 방법
EP20798107.7A EP3970644A4 (en) 2019-05-02 2020-05-01 SUTURE LINE RELEASE MECHANISM, PUNCH CORE COMPONENT, PUNCH EQUIPMENT AND METHOD OF USE THEREOF
US17/608,169 US20220240917A1 (en) 2019-05-02 2020-05-01 Suture Line Release Mechanism, Puncturing Core Component, Puncture Outfit, and Use Method thereof
MX2021013453A MX2021013453A (es) 2019-05-02 2020-05-01 Mecanismo de liberación de línea de sutura, montaje de núcleo de punción, dispositivo de punción, y método de uso del dispositivo de punción.
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