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 PDFInfo
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- 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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- Prior art keywords
- suture
- puncture
- assembly
- component
- release
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 33
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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
Description
Claims (27)
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
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JP2021565130A JP7309914B2 (ja) | 2019-05-02 | 2020-05-01 | 縫合糸解放機構、穿刺コアコンポーネント、穿刺器及びその使用方法 |
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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