WO2021184969A1 - Attache de suture de canal d'endoscope - Google Patents

Attache de suture de canal d'endoscope Download PDF

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Publication number
WO2021184969A1
WO2021184969A1 PCT/CN2021/073991 CN2021073991W WO2021184969A1 WO 2021184969 A1 WO2021184969 A1 WO 2021184969A1 CN 2021073991 W CN2021073991 W CN 2021073991W WO 2021184969 A1 WO2021184969 A1 WO 2021184969A1
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WO
WIPO (PCT)
Prior art keywords
clamping
housing
endoscope
control
locking member
Prior art date
Application number
PCT/CN2021/073991
Other languages
English (en)
Chinese (zh)
Inventor
张强
金鸿雁
李常青
沈正华
马小军
Original Assignee
南微医学科技股份有限公司
张强
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Publication date
Application filed by 南微医学科技股份有限公司, 张强 filed Critical 南微医学科技股份有限公司
Publication of WO2021184969A1 publication Critical patent/WO2021184969A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation

Definitions

  • This application relates to the technical field of interventional medical equipment, and in particular to an endoscope tunnel suture clip.
  • the present application provides an endoscopic tunnel suture clamp, which can clamp and close large mucosal defects and defects at difficult operation sites in a simple, fast and effective operation, so as to effectively solve the minimally invasive suture of the digestive tract mucosal defect problem.
  • the embodiment of the present application provides an endoscope tunnel suture clip, which includes a clamping core and two clamping parts respectively arranged opposite to the clamping core, and a first lock piece and a second lock that can be locked with each other.
  • the two clamping parts can respectively move to close with the clamping core, and the proximal end of the clamping part is also connected with a control assembly, which drives the control assembly to move relative to the clamping core, and can drive the clamping part to close relative to the clamping core , And drive the second lock piece to lock with the first lock piece to lock the closed state of the clamping portion and the clamping core.
  • the clamping core is also extended with a shell covering the clamping core and the control assembly, and the clamping part is rotatably connected to the clamping core to enable the clamping to be driven by the control assembly.
  • the holding part rotates to close or open relative to the holding core.
  • control assembly includes a movable part and a control part that are connected to each other.
  • a first sliding groove is provided on the housing along the axial direction
  • first locking part is provided on the housing
  • clamping part is provided with a second sliding groove.
  • the movable part is set through the first chute and the second chute respectively, and the control part is pulled to make the movable part slide in the second chute, and the clamping part is driven to rotate around the shaft on the housing and the clamping core is closed.
  • the member slides in the first chute, so that the first locking member and the second locking member are locked with each other.
  • the first locking member is a first hook provided on the inner wall of the housing and extending into the housing;
  • the second locking member is a second hook provided on the movable member and extending toward the housing; The second hook interferes with the housing during radial movement in the housing.
  • the first locking member is a first hook that is arranged on the inner wall of the casing and extends into the casing; the second locking member is a second hook; the second hook is provided with an escape space, and the control member Passing through the avoiding space and connecting with the movable part between the movable part and the housing, the first hook can be hooked with the second hook.
  • the housing includes a housing and a partition fixed in the housing.
  • the partition divides the internal space of the housing into two channels for controlling the movement of the clamping part; Protrusions are respectively provided on the surfaces of the two channels.
  • the second locking member is a buckle or a card arranged on the movable member and protruding toward the spacer. The movable member drives the buckle or card to move to engage with the protruding platform.
  • the second locking member is a buckle provided between the spacer and the clamping portion, the buckle is provided with a avoidance space, and the control member passes through the avoidance space and is connected to the movable part; the boss is provided on the spacer.
  • third sliding grooves are respectively formed on the surface of the spacer facing the two channels along the axial direction of the housing, and the movable part moves in the third sliding groove to make the buckle hook on the boss.
  • the second locking part is a card
  • the control part is arranged between the card and the spacer;
  • the card is provided with an escape space, the control part passes through the escape space and is connected to the movable part, and the boss is arranged at the far end of the spacer
  • a third sliding groove is respectively formed on the surface of the spacer facing the two channels along the axial direction of the housing, and the movable part moves in the third sliding groove to make the card hook on the boss.
  • an escape groove is further provided at the distal end of the card, the clamping portion is opened relative to the clamping core, and the rotating shaft penetrates into the escape groove.
  • the second locking member is a buckle provided between the spacer and the clamping portion, and a avoidance space is provided on the buckle, and the control member passes through the avoidance space and is connected to the movable member; the control member drives the movable member to move,
  • the buckle can be hooked on the boss.
  • the second locking member is connected with the movable member, and two side surfaces of the control member arranged along the movement direction of the control member respectively abut against the side walls of the avoidance space.
  • the first locking member is a protrusion symmetrically arranged on both sides of the first slide groove along the extending direction of the first slide groove, and the second locking member is the first end of the movable member extending into the first slide groove , The first end of the movable part is used to engage with the protrusion.
  • two deformation holes are provided on the housing, and the two deformation holes are symmetrically arranged on both sides of the first sliding groove along the length direction of the first sliding groove and adjacent to the protrusion.
  • a deformation gap is provided on the housing, and the deformation gap is in communication with the first sliding groove and is located at an end of the first sliding groove adjacent to the protrusion.
  • the endoscope tunnel suture clip of the embodiment of the present application further includes a handle.
  • Two guide rails are symmetrically provided on the handle.
  • the two control parts are respectively connected to the two guide rails and can slide along the guide rails.
  • Limiting part; the control part is also provided with a lock, which can slide on the control part; the clamping part clamps the target, the lock and the limiting part abut; the lock slides and limits on the control part
  • the part is separated, and the control member can control the clamping part to continue to move, thereby locking the clamping part.
  • the second sliding groove includes an arc-shaped groove connected end to end and a guide locking groove.
  • the guide locking groove is arranged along the axial direction of the housing.
  • the endoscope tunnel suture clip provided by the embodiments of the present application includes at least the following beneficial effects: 1.
  • the structure of the endoscope tunnel suture clip is simple, firm and reliable; and the number of parts involved is small, thereby reducing the difficulty of assembling parts. , which greatly reduces the cost of processing.
  • the double-sided clamping part of the endoscope tunnel suture clamp is designed.
  • the clamping parts on both sides can independently clamp the mucosal tissue, which can effectively suture large mucosal defects, including perforations.
  • the second locking part of the endoscope tunnel suture clip is arranged on the movable part, which can shorten the size of the end of the suture clip.
  • Fig. 1 is a partial structural diagram of a first embodiment of an endoscope tunnel suture clip provided by the present application
  • FIG. 2 is a schematic diagram of the exploded structure of the first embodiment of the endoscope tunnel suture clip of FIG. 1;
  • Fig. 3a is a schematic sectional view of the structure of the housing in Fig. 1;
  • Fig. 3b is a schematic sectional view of the first embodiment of the endoscope tunnel suture clip of Fig. 1;
  • Fig. 4 is an enlarged schematic view of the structure of part A in Fig. 3b;
  • Fig. 5 is a partial structural diagram of the handle of the endoscope tunnel suture clip provided by the present application.
  • Fig. 6 is a partial structural diagram of the handle in Fig. 5;
  • Fig. 7a is an exploded structural schematic diagram of a second expanded embodiment of the endoscope tunnel suture clip of Fig. 1;
  • Fig. 7b is a partial structural schematic diagram of the combined relationship of the control member, the second hook and the movable member in Fig. 7a;
  • Figure 8 is a schematic structural view of the second hook in Figure 7a;
  • Fig. 9a is a schematic cross-sectional structure diagram of a second expanded embodiment of the endoscope tunnel suture clip of Fig. 1;
  • Fig. 9b is a schematic diagram of an enlarged structure of part B in Fig. 9a;
  • Fig. 10 is a partial structural diagram of a second embodiment of the endoscope tunnel suture clip provided by the present application.
  • FIG. 11 is a schematic diagram of the exploded structure of the first expanded embodiment of the endoscope tunnel suture clip of FIG. 10;
  • Fig. 12a is a schematic diagram of an exploded structure of the housing in Fig. 11;
  • Figure 12b is a schematic structural view of the combined relationship between the control member, the buckle and the clamping part in Figure 11;
  • Fig. 12c is a schematic diagram of the structure of the buckle in Fig. 11;
  • FIG. 13 is a schematic sectional view of the first expanded embodiment of the endoscope tunnel suture clip of FIG. 10;
  • Fig. 14 is a schematic diagram of an enlarged structure of part C in Fig. 13;
  • 15 is a schematic diagram of the exploded structure of the second expanded embodiment of the endoscope tunnel suture clip of FIG. 10;
  • FIG. 16 is a schematic cross-sectional view of the second expanded embodiment of the endoscope tunnel suture clip of FIG. 10;
  • Figure 17a is a schematic structural view of the combined relationship between the control part, the card, the movable part and the clamping part in Figure 15;
  • Figure 17b is a schematic diagram of the structure of the card in Figure 15;
  • FIG. 17c is a schematic diagram of an exploded structure of the housing in FIG. 15;
  • Fig. 18 is a schematic diagram of an enlarged structure of part D in Fig. 16;
  • FIG. 19 is a schematic diagram of the exploded structure of the third expanded embodiment of the endoscope tunnel suture clip of FIG. 10;
  • Figure 20a is a schematic diagram of an exploded structure of the housing in Figure 19;
  • Figure 20b is a schematic diagram of the structure of the buckle in Figure 19;
  • Fig. 21a is a schematic sectional view of the third expanded embodiment of the endoscope tunnel suture clip of Fig. 10;
  • Figure 21b is an enlarged schematic view of the E section in Figure 21a;
  • FIG. 22 is a partial structural diagram of a third embodiment of the endoscope tunnel suture clip provided by the present application.
  • FIG. 23 is a schematic diagram of an exploded structure of the endoscope tunnel suture clip in FIG. 22;
  • FIG. 24 is a schematic diagram of the structure of the housing in FIG. 22;
  • Figure 25 is a schematic structural view of the combined state of the housing and the movable part in Figure 22;
  • FIG. 26 is a partial structural diagram of a fourth embodiment of an endoscope tunnel suture clip provided by the present application.
  • Fig. 27 is an exploded structure diagram of the endoscope tunnel suture clip in Fig. 26;
  • FIG. 28 is a schematic diagram of the structure of the housing in FIG. 26;
  • Fig. 29 is a schematic diagram of the structure of the housing and the movable part in Fig. 26.
  • Icon 100-shell; 11-first chute; 12-housing; 13-first spacer; 14-second spacer; 15-deformation hole; 16-deformation gap; 17-third chute; 110 -Clamping core; 120-clamping part; 121-second sliding groove; 1211-guiding locking groove; 1212-arc groove; 130-rotating shaft; 140-first locking member; 141-first hook; 142 -Boss; 143- protrusion; 150- second locking member; 151- second hook; 152- buckle; 153- card; 1531-avoidance groove; 160- avoidance space; 200- control assembly; 211- Moving parts; 212-control parts; 213-locks; 300-handles; 31-rails; 32-limiting parts.
  • FIG. 110 oppositely arranged two clamping parts 120, and mutually lockable first locking member 140 and second locking member 150 (not shown in FIG. 1, please refer to the exploded structure diagram of FIG. 2), two
  • the clamping portion 120 can be movably closed with the clamping core 110.
  • the proximal end of the clamping portion 120 is also connected with a control assembly 200.
  • the movement of the driving control assembly 200 relative to the clamping core 110 can drive the clamping portion 120 relative to the clamping core 110.
  • 110 opens and closes, and drives the second locking member 150 to be locked with the first locking member 140 to lock the closed state of the clamping portion 120 and the clamping core 110.
  • the proximal end of the clamping portion 120 is connected to the control assembly 200, which means that the control assembly 200 and the clamping portion 120 have a broadly connected relationship, and the movement of the control assembly 200 can drive the clamping portion 120 connected to it.
  • the connection mode between the clamping part 120 and the control assembly 200 is not specifically limited in the embodiment of the present application.
  • the specific structure of the control assembly 200 and the transmission of the movement relationship between the control assembly 200 and the clamping part 120 may be used.
  • the connection mode between the control assembly 200 and the clamping portion 120 is set, for example, detachable connection, hinge connection, abutting connection, sliding connection, etc.
  • the control assembly 200 (in FIG. 1 can be understood as an integral structure including the movable part 211 and the control part 212) is in a sliding connection with the clamping portion 120, and the clamping portion 120 passes through a rotating shaft. 130 and the clamping core 110 are rotationally connected.
  • the drive control assembly 200 moves relative to the clamping core 110
  • the movable member 211 moves in the second sliding groove 121 of the clamping portion 120
  • the clamping portion 120 is rotationally connected
  • the clamping part 120 can only rotate around the rotating shaft 130 under the driving of the movable part 211, so as to rotate and close with the clamping core 110, and continue to drive the movable part 211 to move relative to the clamping core 110.
  • the first locking member 140 and the second locking member 150 are locked with each other, so that the closed state of the clamping portion 120 and the clamping core 110 can be locked, and avoiding the clamping portion 120 during use.
  • the clamping core 110 clamps the target object in a closed state
  • the closed state is opened due to improper operation or interference from external factors, so that the clamped target object is lost.
  • the embodiment of the present application provides an endoscope tunnel suture clip, which includes a clamping core 110 and two clamping parts 120 respectively arranged opposite to the clamping core 110, and the two clamping parts 120 are movable and the clamping core 110 respectively. Closing can hold the target. It also includes a first locking member 140 and a second locking member 150 that can be locked with each other.
  • the two clamping parts 120 can respectively move to close with the clamping core 110, and the proximal end of the clamping part 120 is also connected with a control assembly 200 ,
  • the drive control assembly 200 moves relative to the clamping core 110, can drive the clamping portion 120 to close relative to the clamping core 110, and drive the second locking member 150 to lock with the first locking member 140 to lock the clamping portion
  • the closed state of 120 and the clamping core 110 in this way, through the operation of the control assembly 200, the force can be transmitted to the clamping portion 120, so that the clamping portion 120 and the clamping core 110 can be closed or opened, and In the closed state of the clamping portion 120 and the clamping core 110, the closed state of the clamping portion 120 and the clamping core 110 is locked by the locking of the first locking member 140 and the second locking member 150.
  • the endoscope tunnel suture clip of the embodiment of the application has a simple structure, is firm and reliable, and has a small number of parts, has a high production yield and a low processing cost.
  • the clamping parts 120 on both sides can be operated respectively relative to the clamping core 110 to independently clamp the mucosal tissues in the patient's body, which is effective for large Mucosal defects include perforations for suture, and the endoscope tunnel suture clip of the embodiment of the present application has a compact structure, makes full use of the structural space, and has high comfort and smoothness of use and operation.
  • the endoscope tunnel suture clip of the embodiment of the present application When the endoscope tunnel suture clip of the embodiment of the present application is used in clinical interventional surgical treatment, the endoscope tunnel suture clip needs to be extended into the patient's body to grasp the target, and in order to achieve a minimally invasive effect, Usually through the natural cavity of the human body or only open on the patient's body to make the endoscope tunnel suture clip extend into the body's necessary surgical channel, and the doctor's operation needs to be performed outside the patient's body, which requires the operating end and work of the surgical instrument There is a certain spatial distance between the ends, but a good force transmission capability is required.
  • the control assembly 200 includes a control member 212 extending from the proximal end of the movable member 211, and extending from the clamping core 110.
  • the housing 100 is sleeved outside the clamping core 110 and the movable part 211, and the clamping portion 120 is rotatably connected to the rotating shaft 130 to make the clamping portion 120 relatively clamp the core under the driving action of the control assembly 200 110 turns to close or open.
  • the proximal end of the movable member 211 is further provided with a control member 212 to form the control assembly 200, as shown in FIGS. 1 and 2, the structure in which the movable member 211 and the control member 212 are connected to each other can be understood as It is the control assembly 200, and the control work of the control assembly 200 is that the movable part 211 and the control part 212 interact with each other to control the operation of the clamping part 120.
  • the arrangement of the housing 100 can make the endoscope tunnel suture clip compact and have a smooth outer surface, which is beneficial to surgical operations.
  • a control member 212 is extended from the proximal end of the movable member 211 to form the control assembly 200
  • the structure of this control assembly 200 is convenient for the doctor to manipulate the movable part 211 through the control part 212.
  • the housing 100 is reserved with an opening for avoiding when the clamping portion 120 is rotated and opened, so as to ensure the flexibility of operation.
  • the use of the rotating shaft 130 to rotate the clamping portion 120 and the clamping core 110 to open or close can make the operation more convenient. In a limited space, the clamping portion 120 is opened and closed relative to the clamping core 110. The extent of closing is increased as much as possible, and the accuracy of the operation can also be better guaranteed.
  • the shape of the housing 100 extending from the clamping core 110 is not specifically limited.
  • the housing 100 may be sleeved on the clamping core 110 and the movable part 211 as shown in FIG.
  • the relatively complete cylindrical structure around the periphery of the internal overall structure can also be understood as other shapes and structures extending from the upper part of the clamping core 110, and the housing 100 extending from the clamping core 110 can be understood It can be an extension structure formed by fixing with the clamping core 110, detachably connecting, or integrally forming. This structure can provide a stable and accurate relative rotation relationship between the clamping core 110 and the clamping portion 120, and, as shown in FIG.
  • the setting of the housing 100 can limit the movement of the clamping portion 120, and prevent the clamping portion 120 from rotating too large or the clamping portion 120 Shake occurs in a direction other than the direction of rotation.
  • the housing 100 is provided with a first sliding groove 11 along the axial direction, and the first locking member 140 is provided on the housing 100.
  • the clamping portion 120 is provided with a second The sliding groove 121, the movable part 211 is respectively arranged through the first sliding groove 11 and the second sliding groove 121, pulling the control part 212 to make the movable part 211 slide in the second sliding groove 121, driving the clamping part 120 to rotate around the rotating shaft 130 and The clamping core 110 is closed, and the movable member 211 slides in the first sliding groove 11 so that the first locking member 140 and the second locking member 150 are locked with each other.
  • control member 212 is pushed to make the movable member 211 slide in the opposite direction in the second chute 121, firstly, the locked state of the first locking member 140 and the second locking member 150 is released, and then the clamping portion 120 is further driven Reverse rotation around the rotating shaft 130 can make the clamping portion 120 open relative to the clamping core 110.
  • This method can greatly save the structural volume of the endoscope tunnel suture clip while ensuring the movement accuracy of the control member 212 and the movable member 211. Moreover, by setting the first slide groove 11 and the second slide groove 121 The adjustment of the position and the structural shape of the chute can be easily and adaptively adjusted to obtain the endoscope tunnel suture clip corresponding to different surgical requirements, making the endoscope tunnel suture clip of the embodiment of the present application more adaptable.
  • the operator continues to pull the control member 212 back to make the first locking member 140 and the second locking member 150 It can be locked together so as to close the large-size gastrointestinal mucosal defect wounds.
  • an endoscope tunnel suture clip includes: a housing 100, a clamping core 110, two clamping parts 120, and two first locking members 140 , Two second locking parts 150, and two sets of control assemblies 200, the control assembly 200 includes a control part 212 and a movable part 211 connected to each other.
  • the first locking member 140 is a first hook 141 that is symmetrically arranged on the inner wall of the housing 100 and extends into the housing 100, and the housing 100 is symmetrically provided with a first sliding groove 11, The first sliding groove 11 is arranged along the axial direction of the housing 100.
  • the second locking member 150 is a second hook 151 disposed on the movable member 211 and extending toward the housing 100, and the clamping core 110 is fixedly connected to the housing 100.
  • the two clamping parts 120 are mounted on the housing 100 via a rotating shaft 130 and can rotate relative to the housing 100, and the clamping part 120 is provided with a second sliding groove 121.
  • the second hook 151 is disposed on the movable part 211 and extends toward the housing 100.
  • the second hook 151 interferes with the housing 100 in the radial direction of the housing 100, and interferes with each other.
  • the second hook 151 can be prevented from shaking during the movement, and the first hook 141 can be hooked with the second hook 151.
  • the two sets of interconnected control parts 212 and movable parts 211 are respectively connected to the two clamping parts 120 through the movable parts 211.
  • the movable parts 211 can slide in the second chute 121, and the two control parts 212 respectively drives the movable part 211 to drive the two clamping parts 120 to move, so that the clamping parts 120 are opened or closed relative to the clamping core 110 to clamp the target object.
  • the first end of the movable part 211 is arranged in the first sliding groove 11 and can slide in the first sliding groove 11, and the second end of the movable part 211 is arranged in the second sliding groove 121, and It can slide in the second chute 121.
  • one end of the control member 212 is connected to the movable member 211, and the other end extends out of the housing 100; after the clamping portion 120 clamps the target object and is parallel to the axis of the housing 100, the control member 212 controls the clamping The holding portion 120 continues to move to lock the first hook 141 with the second hook 151.
  • the endoscope tunnel suture clamp provided by the embodiment of the present application, after the clamping part 120 clamps the target (defect wound surface), the operator continues to pull the control member 212 back to make the clamping part 120 and the clamping core 110 close
  • the locked state and the locking of the first hook 141 and the second hook 151 can both hold and move the target in a stable and firm position.
  • the second hook 151 has a simple structure. On the one hand, it is easy to manufacture, thereby reducing the production and manufacturing cost of the product; on the other hand, it is easy to assemble, directly connected in series with the movable part/shaft, thereby improving the production efficiency of the product, thereby reducing The production cost of the product.
  • the first hook 141 may be stamped and formed by the side wall of the housing 100, or the first hook 141 and the housing 100 are made by an integral casting process, thereby ensuring The strength of the connection between the first hook 141 and the housing 100 improves the production efficiency of the product, thereby reducing the production cost of the product.
  • the second sliding groove 121 includes an arc-shaped groove 1212 and a guide locking groove 1211.
  • the guide locking groove 1211 is arranged along the axial direction of the housing 100, and the clamping portion 120 After the target is clamped, and it is parallel or approximately parallel to the axis of the housing 100 (usually the target that needs to be blessed in the patient's body during the operation is small in size, soft and elastic.
  • the control member 212 controls the second end of the movable member 211 at The guide locking groove 1211 slides in to lock the first hook 141 with the second hook 151.
  • control part 212 controls the movable part 211 to slide in the arc groove 1212 to control the two clamping parts 120 to open or close relative to the clamping core 110 to clamp the target; when the operator confirms the clamping When the defect wound surface is correct, the control part 212 controls the movable part 211 to slide into the guide locking groove 1211 and slide in the guide locking groove 1211 to lock the first hook 141 and the second hook 151, and the clamping part 120 and the clamping core 110 are in a closed and locked state.
  • the endoscope tunnel suture clip further includes a handle 300.
  • Two guide rails 31 are symmetrically provided on the handle 300, and the two control members 212 are respectively connected to the two guide rails 31 and can slide along the guide rails 31, and the guide rail 31 is provided with a limiting portion 32.
  • a lock 213 is provided at the other end of the control member 212, and the lock 213 can slide on the control member 212.
  • the lock 213 abuts against the limiting portion 32; the lock 213 slides on the control member 212, and the lock 213 separates from the limiting portion 32 ,
  • the control member 212 can control the clamping portion 120 to continue to move.
  • the setting of the guide locking groove 1211 of the clamping part 120 of the endoscope tunnel suture clip, the lock 213 at one end of the control member 212, and the limiting part 32 on the handle 300 prevent the clamping part from being locked in advance when the pulling force is too large 120 and the release of the suture clip occurs.
  • the arrangement of the lock 213 and the limiting portion 32 serves as a reminder.
  • the lock 213 abuts against the limiting portion 32, it prompts the operator to continue to drag the control member 212, the first hook 141 And the second hook 151 will be locked; when the operator confirms that the clamped defect wound is correct, the lock 213 can be controlled to slide on the control member 212 to separate the lock 213 from the limit part 32 and continue to drag
  • the control member 212 locks the first hook 141 and the second hook 151 so that the clamping portion 120 and the clamping core 110 are in a closed and locked state.
  • an endoscope tunnel suture clip differs from embodiment 1 in that: as shown in Fig. 8, an escape space 160 is provided on the second hook 151, as shown in Fig.
  • the control member 212 is connected to the movable member 211 through the avoiding space 160, and the first hook 141 can be hooked with the second hook 151.
  • the control member 212 is disposed between the second hook 151 and the first hook 141.
  • the form of the avoidance space 160 may be a hole, a groove, or the like.
  • the operator continues to pull the control member 212 back to lock the first hook 141 and the second hook 151 Close, the clamping portion 120 and the clamping core 110 are in a closed and locked state.
  • the structure of the hook is simple. On the one hand, it is easy to manufacture, thereby reducing the production and manufacturing cost of the product; on the other hand, it is easy to assemble, thereby improving the production efficiency of the product, thereby reducing the production and manufacturing cost of the product.
  • the avoidance space 160 is arranged so that the control member 212 passes through the avoidance space 160 and is located between the first hook 141 and the second hook 151, thereby increasing the distance between the second hook 151 and the first hook 141 , Even if the first hook 141 and the second hook 151 have a larger installation space, the second hook 151 and the first hook 141 can be made larger, thereby increasing the second hook 151 and the first hook.
  • the overall strength of the hook 141 reduces the probability of damage and increases the market competitiveness of the product.
  • the design of the avoidance space 160 on the second locking member 150 of the endoscope tunnel suture clip and the matching arrangement with the control member 212 can fix the second locking member 150 well and increase the stability of suture. At the same time, due to this fixing effect, one end of the second locking member 150 is directly connected to the movable member 211 without welding and fixing, which reduces the difficulty of assembling parts.
  • the second hook 151 is connected to the movable member 211, and the two side surfaces of the control member 212 along the movement direction of the control member 212 respectively abut against the side walls of the avoidance space 160 superior.
  • one end of the second hook 151 is connected by a movable member 211 to form a first fixing point, and the two side surfaces of the other end of the second hook 151 respectively abut against the side of the avoidance space 160.
  • a second fixing point and a third fixing point are formed on the wall.
  • the second hook 151 forms a triangular stable fixing method through the first fixing point, the second fixing point and the third fixing point.
  • This fixing method has a simple structure. On the one hand, the production and manufacturing are easy, thereby reducing the production and manufacturing cost of the product; on the other hand, the assembly is easy, thereby improving the production efficiency of the product, and thereby reducing the production and manufacturing cost of the product.
  • the embodiment of the present application relates to an endoscope tunnel suture clip.
  • the housing 100 includes a housing 12 and a partition fixed in the housing 12
  • the spacer is the first spacer 13 shown in FIG. 10, and the first spacer 13 divides the internal space of the housing 100 into two channels for controlling the movement of the clamping portion 120. .
  • the first locking member 140 is a boss 142 respectively provided on the surface of the first partition 13 facing the two channels, and the second locking member 150 is provided on the movable member 211 and protruding toward the first partition 13
  • the buckle 152 or the card 153, and the control member 212 drives the buckle 152 or the card 153 to move to engage with the boss 142.
  • the internal space of the housing 100 is divided into two passages for controlling the movement of the clamping portion 120 by the first spacer 13, so that bosses are respectively provided on the surface of the first spacer 13 facing the two passages.
  • 142 can be used as the structure of the first locking member 140 that is respectively engaged with the two second locking members 150.
  • the two second locking members 150 may be arranged on the movable member 211 and facing the first spacer 13 Extension buckle 152 or card 153.
  • the endoscope tunnel suture clip of the embodiment of the present application includes: a housing 100, a clamping core 110, two clamping portions 120, two first locking members 140, and two second Two locking parts 150 and two sets of interconnected control parts 212 and movable parts 211 (control assembly 200).
  • the spacer is the first spacer 13.
  • the housing 100 includes a housing 12 and a first spacer 13.
  • the first spacer 13 is fixed in the housing 12.
  • the surfaces of the first spacer 13 facing the two passages are respectively formed with third sliding grooves 17 along the axial direction of the housing 12.
  • the first spacer 13 divides the inner space of the housing 100 Divided into two symmetrical channels, the movable part 211 is located in the third sliding groove 17.
  • a boss 142 is provided on the first spacer 13, and the boss 142 is disposed at the proximal end of the first spacer 13.
  • the buckle 152 is arranged between the first spacer 13 and the clamping portion 120.
  • the buckle 152 is provided with an escape space 160, and the control member 212 passes through the escape space 160 is connected to the movable part 211, and the buckle 152 can be hooked on the boss 142.
  • the form of the avoidance space 160 may be a hole, a groove, or the like.
  • the control member 212 is arranged between the boss 142 and the buckle 152.
  • the two clamping parts 120 are rotatably connected to the housing 100 through a rotating shaft 130 and can rotate relative to the housing 100.
  • the clamping part 120 is provided with a second sliding groove 121.
  • the two sets of control assemblies 200 are respectively connected to the two clamping parts 120 through two movable parts 211 and can slide in the second sliding groove 121.
  • the two sets of control assemblies 200 respectively drive the two clamping parts 120 to move to make the clamping
  • the portion 120 is opened or closed relative to the clamping core 110 to clamp the target.
  • the first end of the movable part 211 is arranged in the first chute 11 and can slide in the first chute 11, and the second end of the movable part 211 is arranged in the second chute 121 and can be slid in the second chute. Sliding within 121.
  • One end of the control member 212 is connected to the movable member 211, and the other end extends out of the housing 100; after the clamping portion 120 clamps the target and is parallel or approximately parallel to the axis of the housing 100, the control member 212 controls the clamping portion 120 Continue to move to lock the boss 142 with the buckle 152.
  • the endoscope tunnel suture clamp provided in the present application, after the clamping portion 120 clamps the target (defective wound surface), the operator continues to pull the control member 212 back to make the buckle 152 hook on the boss 142 and engage with the boss 142 is locked together, and the clamping portion 120 and the clamping core 110 are in a closed and locked state.
  • the buckle 152 has a simple structure. On the one hand, it is easy to manufacture, thereby reducing the production and manufacturing cost of the product; on the other hand, it is easy to assemble, thereby improving the production efficiency of the product, thereby reducing the production and manufacturing cost of the product.
  • the setting of the escape space 160 enables the control member 212 to be located between the first hook 141 and the second hook 151, thereby increasing the distance between the boss 142 and the buckle 152, even if the boss 142 and the buckle 152 With a larger installation space, the boss 142 and the buckle 152 can be made larger, thereby increasing the overall strength of the boss 142 and the buckle 152, reducing the probability of damage, and increasing the market competitiveness of the product.
  • the protrusion 143 (not marked in FIG. 11) and the first spacer 13 can be made by an integral casting process, thereby ensuring that the protrusion 143 and the first spacer 13 The strength of the connection between 13.
  • the endoscope tunnel suture clip further includes a handle 300.
  • Two guide rails 31 are symmetrically provided on the handle 300, and the two control members 212 are respectively connected to the two guide rails 31 and can slide along the guide rails 31, and the guide rail 31 is provided with a limiting portion 32.
  • a lock 213 is provided at the other end of the control member 212, and the lock 213 can slide on the control member 212.
  • the lock 213 After the clamping portion 120 clamps the target object and is parallel or approximately parallel to the axis of the housing 100, the lock 213 abuts against the limiting portion 32; the lock 213 slides on the control member 212, and the lock 213 and the limiting portion The portion 32 is separated, and the control member 212 can control the clamping portion 120 to continue to move.
  • the arrangement of the lock 213 and the limiting portion 32 plays a prompting role.
  • the lock 213 When the lock 213 abuts against the limiting portion 32, it prompts the operator to continue to drag the control member 212, the boss 142 and the card
  • the buckle 152 will be locked together; when the operator confirms that the clamped defect is correct, the lock 213 can be controlled to slide on the control part 212 to separate the lock 213 from the limit part 32, and the operator continues to drag the control part 212.
  • the boss 142 is locked with the buckle 152, so that the clamping portion 120 and the clamping core 110 are in a closed and locked state.
  • the second sliding groove 121 includes an arc-shaped groove 1212 and a guide locking groove 1211.
  • the guide locking groove 1211 is arranged along the axial direction of the housing 100, and the clamping portion After the target is clamped 120 and parallel to the axis of the housing 100, the control member 212 controls the second end of the movable member 211 to slide in the guide locking groove 1211 to lock the boss 142 with the buckle 152.
  • control part 212 controls the movable part 211 to slide in the arc-shaped groove 1212, so that the two clamping parts 120 are controlled to open or close relative to the clamping core 110 to clamp the target; when the operator confirms When the clamped defected wound surface is correct, the control member 212 controls the movable member 211 to slide into the guide locking groove 1211 and slide in the guide locking groove 1211 to lock the boss 142 with the buckle 152, so that no operation is required.
  • the clamping portion 120 and the clamping core 110 are in a closed and locked state, so that a large-size digestive tract mucosal defect wound surface can be closed.
  • an endoscope tunnel suture clip differs from Embodiment 4 in that: as shown in Figures 15 and 16, the endoscope tunnel suture clip includes: two 153 cards.
  • the card 153 is arranged between the first spacer 13 and the clamping portion 120, as shown in FIG. 17a and FIG.
  • the boss 142 is provided at the distal end of the first spacer 13; as shown in FIG. 18, the card 153 can be clamped on the boss 142.
  • the control member 212 is arranged between the boss 142 and the card 153.
  • the form of the avoidance space 160 may be a hole, a groove, or the like.
  • the endoscope tunnel suture clamp provided in the present application, after the clamping portion 120 clamps the target (defective wound surface), the operator continues to pull the control member 212 backwards, so that the card 153 is stuck on the boss 142 and is connected with the boss 142 By locking together, the large-size digestive tract mucosal defect wound surface can be closed, and the clamping portion 120 and the clamping core 110 are in a closed and locked state.
  • the structure of the card 153 is simple. On the one hand, it is easy to manufacture, thereby reducing the production and manufacturing cost of the product; on the other hand, it is easy to assemble, thereby improving the production efficiency of the product, thereby reducing the production and manufacturing cost of the product.
  • the avoidance space 160 is arranged so that the control member 212 is located between the boss 142 and the card 153, thereby increasing the distance between the boss 142 and the card 153, even if the boss 142 and the card 153 have a larger installation space,
  • the boss 142 and the card 153 can be made larger, thereby increasing the overall strength of the boss 142 and the card 153, and increasing the market competitiveness of the product.
  • an escape groove 1531 is provided at the distal end of the card 153, and the rotating shaft 130 passes through the escape groove 1531 and is connected to the housing 100.
  • the provision of the avoiding groove 1531 can increase the contact area between the card 153 and the boss 142, thereby increasing the strength of the connection between the boss 142 and the card 153, thereby ensuring the card 153 and the boss 142 The strength of the connection between.
  • an endoscope tunnel suture clip includes: a housing 100, a clamping core 110, two clamping portions 120, two buckles 152, and two sets
  • the control part 212 and the movable part 211 (control assembly 200) are connected to each other.
  • the housing 100 includes a housing 12 and a second spacer 14.
  • the spacer is the second spacer 14.
  • the second spacer 14 shown in FIGS. 19 and 20a is the first spacer 13 described in Embodiment 4.
  • the shape and structure of the first spacer 13 and the second spacer 14 are slightly different.
  • the different embodiments and corresponding drawings are clearly expressed without causing ambiguity, and the second spacer 14 is used for description in this embodiment.
  • the second partition 14 is fixed in the housing 12, the second partition 14 divides the housing 12 into two symmetrical channels, and the two control members 212 are respectively located in the two channels; the second partition 14 is provided with a boss 142 .
  • the buckle 152 is arranged between the second spacer 14 and the clamping portion 120. As shown in FIG. The piece 211 is connected, and the buckle 152 can be hooked on the boss 142.
  • the control member 212 is arranged between the buckle 152 and the boss 142.
  • the form of the avoidance space 160 may be a hole, a groove, or the like.
  • the two clamping portions 120 and the clamping core 110 may be separately provided. Parts such as washers or spacers are used to prevent the clamping portion 120 from shifting on the rotating shaft 130 when it rotates relative to the clamping core 110, thereby affecting the accuracy of the operation of the endoscope tunnel suture clamp in the embodiment of the present application.
  • the operator continues to pull the control member 212 back to make the buckle 152 hook on the boss 142 and engage with the boss 142 is locked together, so that the clamping portion 120 and the clamping core 110 are in a closed and locked state without the need for the operator to apply force, thereby closing the large-size digestive tract mucosal defect wound.
  • the buckle 152 has a simple structure. On the one hand, it is easy to manufacture, thereby reducing the production and manufacturing cost of the product; on the other hand, it is easy to assemble, thereby improving the production efficiency of the product, thereby reducing the production and manufacturing cost of the product.
  • the setting of the avoidance space 160 enables the control member 212 to be located between the buckle 152 and the boss 142, thereby increasing the distance between the boss 142 and the buckle 152, even if the boss 142 and the buckle 152 are relatively large.
  • the installation space allows the boss 142 and the buckle 152 to be made larger, thereby increasing the overall strength of the boss 142 and the buckle 152, reducing the probability of damage, and increasing the market competitiveness of the product.
  • the boss 142 and the second spacer 14 can be made by an integral casting process, thereby ensuring the gap between the boss 142 and the second spacer 14 Connection strength.
  • the endoscope tunnel suture clip further includes a handle 300.
  • Two guide rails 31 are symmetrically provided on the handle 300, and the two control members 212 are respectively connected to the two guide rails 31 and can slide along the guide rails 31, and the guide rail 31 is provided with a limiting portion 32.
  • a lock 213 is provided at the other end of the control member 212, and the lock 213 can slide on the control member 212.
  • the lock 213 abuts against the limiting portion 32; the lock 213 slides on the control member 212, and the lock 213 and the limiting portion The portion 32 is separated, and the control member 212 can control the clamping portion 120 to continue to move.
  • the arrangement of the lock 213 and the limiting portion 32 plays a prompting role.
  • the lock 213 abuts against the limiting portion 32, it prompts the operator to continue to drag the control member 212, the boss 142 and the card
  • the buckle 152 will be locked together; when the operator confirms that the clamped defect is correct, the lock 213 can be controlled to slide on the control part 212 to separate the lock 213 from the limit part 32, and the operator continues to drag the control part 212.
  • the boss 142 is locked with the buckle 152, so that the clamping portion 120 and the clamping core 110 are in a closed and locked state.
  • the second sliding groove 121 includes an arc-shaped groove 1212 and a guide locking groove 1211.
  • the guide locking groove 1211 is arranged along the axial direction of the housing 100, and the clamping portion 120 clamps After the target object is parallel to the axis of the housing 100, the control member 212 controls the second end of the movable member 211 to slide in the guide locking groove 1211 to lock the boss 142 with the buckle 152.
  • control part 212 controls the movable part 211 to slide in the arc-shaped groove 1212, so that the two clamping parts 120 are controlled to open or close relative to the clamping core 110 to clamp the target; when the operator confirms When the clamped defected wound surface is correct, the control member 212 controls the movable member 211 to slide into the guide locking groove 1211 and slide in the guide locking groove 1211 to lock the boss 142 with the buckle 152, so that no operation is required.
  • the clamping portion 120 and the clamping core 110 are in a closed and locked state, so that a large-size digestive tract mucosal defect wound surface can be closed.
  • the endoscope tunnel suture clip provided by the embodiment of the present application includes: a housing 100, a clamping core 110, two clamping parts 120, and two sets of interconnected control parts 212 and movable parts 211 (Control component 200).
  • the housing 100 is symmetrically provided with first sliding grooves 11, the first sliding grooves 11 are arranged along the axial direction of the housing 100, and the first sliding grooves 11 are symmetrically provided with protrusions 143.
  • the two clamping parts 120 are mounted on the housing 100 through the rotating shaft 130 and can rotate relative to the housing 100.
  • the clamping part 120 is provided with a second sliding groove 121.
  • the two sets of control assemblies 200 are respectively connected to the two clamping parts 120 and can slide in the second chute 121.
  • the two sets of control assemblies 200 respectively drive the two clamping parts 120 to move, so that the clamping part 120 is relative to the clamping part 120.
  • the core 110 is opened or closed to clamp the target.
  • the first end of the movable part 211 is arranged in the first sliding groove 11 and can slide in the first sliding groove 11, and the first end of the movable part 211 can be clamped on the protrusion 143; the movable part The second end of the 211 is arranged in the second sliding groove 121 and can slide in the second sliding groove 121.
  • One end of the control part 212 is connected with the movable part 211, and the other end extends out of the housing 100; after the clamping part 120 clamps the target and is parallel to the axis of the housing 100, the control part 212 controls the clamping part 120 to continue to move.
  • the housing 100 is also provided with a deformation gap 16, the deformation gap 16 communicates with the first sliding groove 11 and is located at one end of the first sliding groove 11 adjacent to the protrusion 143.
  • the operator continues to pull the control member 212 back to make the movable member 211 abut on the protrusion 143 and interact with the protrusion.
  • 143 is locked, so that the clamping portion 120 and the clamping core 110 are in a closed and locked state without the operator's application of force, so that the large-size digestive tract mucosal defect wound surface can be closed.
  • the matching structure of the protrusion 143 and the movable part 211 is simple.
  • the movable part 211 slides over the protrusion 143, the movable part 211 squeezes the protrusion 143 to deform the housing 12.
  • the setting of the deformation gap 16 provides deformation space for the deformation of the housing 12, making the housing 12 more susceptible to compression and deformation. Therefore, the resistance that the movable part 211 receives when sliding over the protrusion 143 is reduced, and the operation of the user is facilitated, thereby improving the comfort of the product and increasing the market competitiveness of the product.
  • the endoscope tunnel suture clip provided by the embodiment of the present application includes: a housing 100, a clamping core 110, two clamping portions 120, and two sets of interconnected control parts 212 and movable parts 211 (Control assembly 200).
  • the housing 100 is symmetrically provided with first sliding grooves 11, the first sliding grooves 11 are arranged along the axial direction of the housing 100, and the first sliding grooves 11 are symmetrically provided with protrusions 143.
  • the two clamping parts 120 are mounted on the housing 100 through the rotating shaft 130 and can rotate relative to the housing 100.
  • the clamping part 120 is provided with a second sliding groove 121.
  • the two sets of control assemblies 200 are respectively connected to the two clamping parts 120 and can slide in the second chute 121.
  • the two sets of control assemblies 200 respectively drive the two clamping parts 120 to move, so that the clamping part 120 is relative to the clamping part 120.
  • the core 110 is opened or closed to clamp the target.
  • the first end of the movable part 211 is arranged in the first sliding groove 11 and can slide in the first sliding groove 11, and the first end of the movable part 211 can be clamped on the protrusion 143; the movable part The second end of the 211 is arranged in the second sliding groove 121 and can slide in the second sliding groove 121.
  • One end of the control member 212 is connected to the movable member 211, and the other end extends out of the housing 100; after the clamping portion 120 clamps the target and is parallel or approximately parallel to the axis of the housing 100, the control member 212 controls the clamping portion 120 Continue to move to lock the movable part 211 with the protrusion 143.
  • the housing 100 is also provided with two deformation holes 15, the two deformation holes 15 are symmetrical with respect to the first sliding groove 11, and the deformation holes 15 are arranged along the length direction of the first sliding groove 11 and are adjacent to the protrusion 143.
  • the operator continues to pull the control member 212 back to make the movable member 211 abut on the protrusion 143 and interact with the protrusion.
  • 143 is locked, so that the clamping portion 120 and the clamping core 110 are in a closed and locked state without the operator's application of force, so that the large-size digestive tract mucosal defect wound surface can be closed.
  • the matching structure of the protrusion 143 and the movable part 211 is simple.
  • the movable piece 211 slides over the protrusion 143, the movable piece 211 squeezes the protrusion 143 to deform the housing 12.
  • the setting of the deformation hole 15 provides deformation space for the deformation of the housing 12, making the housing 12 more susceptible to compression and deformation. Therefore, the resistance that the movable part 211 receives when sliding over the protrusion 143 is reduced, and the operation of the user is facilitated, thereby improving the comfort of the product and increasing the market competitiveness of the product.

Abstract

L'invention concerne une attache de suture de canal d'endoscope, se rapportant au domaine technique des dispositifs médicaux d'intervention. L'attache de suture de canal d'endoscope comprend : un noyau de serrage (110), deux parties serrage (120) qui sont respectivement agencées à l'opposé du noyau de serrage (110), et un premier élément de verrouillage (140) et un second élément de verrouillage (150) qui peuvent être verrouillés l'un avec l'autre. Les deux parties serrage (120) peuvent se déplacer respectivement et être fermées par le noyau de serrage (110), et des extrémités proximales des parties serrage (120) sont en outre reliées à un ensemble commande (200). L'entraînement de l'ensemble commande (200) pour se déplacer par rapport au noyau de serrage (110) peut entraîner les parties serrage (120) à se fermer par rapport au noyau de serrage (110) et entraîner le second élément de verrouillage (150) à se verrouiller avec le premier élément de verrouillage (140), de manière à verrouiller un état fermé des parties serrage (120) et le noyau de serrage (110) ; de cette manière, une force d'action peut être transférée aux parties serrage (120) au moyen d'une opération sur l'ensemble de commande (200), de sorte que les parties serrage (120) et le noyau de serrage (110) sont fermés ou ouverte ; lorsque les parties serrage (120) et le noyau de serrage (110) sont dans l'état fermé, l'état fermé des parties serrage (120) et du noyau de serrage (110) est verrouillé au moyen du verrouillage du premier élément de verrouillage (140) et du second élément de verrouillage (150).
PCT/CN2021/073991 2020-03-18 2021-01-27 Attache de suture de canal d'endoscope WO2021184969A1 (fr)

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CN202010193722.9A CN111202555A (zh) 2020-03-18 2020-03-18 内窥镜孔道缝合夹
CN202010193722.9 2020-03-18

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CN211066839U (zh) * 2019-05-15 2020-07-24 张强 内窥镜孔道缝合夹
CN111202555A (zh) * 2020-03-18 2020-05-29 张强 内窥镜孔道缝合夹

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US4887612A (en) * 1988-04-27 1989-12-19 Esco Precision, Inc. Endoscopic biopsy forceps
US20110040322A1 (en) * 2009-07-27 2011-02-17 Tracey Stribling Device & method for the positioning of tissue during laparoscopic or endoscopic surgery
JP2013244054A (ja) * 2012-05-23 2013-12-09 Piolax Medical Device:Kk 医療用把持具
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CN205924080U (zh) * 2016-12-06 2017-02-08 张强 内镜缝合连体双内镜夹
CN208876623U (zh) * 2018-05-07 2019-05-21 张强 可旋转可重复开闭连体双内镜夹
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