CN216394159U

CN216394159U - Continuous suturing device under endoscope

Info

Publication number: CN216394159U
Application number: CN202122870562.XU
Authority: CN
Inventors: 张强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-29
Anticipated expiration: 2031-11-19

Abstract

The present application provides an endoscopic continuous suturing device comprising: support frame, sewing subassembly, pusher, spacing part and suture. The stapling assembly includes a plurality of staples. The abutting end of the pushing piece is pressed against the sewing component. The limiting component is used for limiting the suturing nail to be separated from the connecting pipe. The suture is attached to a plurality of staples. The application provides a continuous suturing device under endoscope, be provided with a plurality of sews up the nail in the connecting pipe of support frame, a plurality of sew up the nail through the rotatory anchoring of propelling movement spare or support frame in the relevant position of the surface of a wound, tighten up a plurality of sews up the nail through the suture, a plurality of sew up the nail and drive the human tissue around the wound and sew up the wound, realized under the endoscope continuous suturing device once get into under the human body just can be to sewing up of the surface of a wound, the efficiency of sewing up the surface of a wound has been improved, in addition, continuous suturing device's simple structure under the endoscope, high durability and convenient operation, thereby continuous suturing device's comfort in use under the endoscope has been improved, the market competitiveness of the product has been increased.

Description

Continuous suturing device under endoscope

Technical Field

The application relates to the technical field of interventional medical equipment, in particular to a continuous suturing device under an endoscope.

Background

The minimally invasive surgery is a mode of entering the inside of a human body to perform surgery through a natural cavity or a tiny pore canal formed on the surface of the human body, has high efficiency and accuracy, good surgery effect, quick postoperative recovery and the like, particularly causes little damage to a patient, does not need to open the abdomen and the like. Suturing the wound surface is the most common problem in the minimally invasive surgery process, and also has the difficulty challenge, especially for the difficult wound surface suturing of large size and the like. The endoscope operation needs to be conducted through an endoscope, and the space of a working channel of the endoscope operation is limited, so that the existing instruments for suturing the wound surface under the endoscope have certain limitations, the wound surface is difficult to suture efficiently and quickly like an open surgery, the existing suturing instruments in the related technology have complex and inefficient operation, suturing nails need to be installed repeatedly, the wound surface cannot be continuously sutured by 2 or more suturing nails at one time, and meanwhile, medical risks exist when operating doctors install sharp suturing nails.

SUMMERY OF THE UTILITY MODEL

The invention aims to provide a continuous suturing device under an endoscope, which is simple to operate and high in suturing efficiency.

To achieve the above object, the present application provides an endoscopically continuous suturing device comprising: the support frame comprises a frame body, a handle and a connecting pipe, the handle and the connecting pipe are respectively arranged at two corresponding ends of the frame body, the connecting pipe comprises a connecting end and a free end which are oppositely arranged, and the connecting end is connected with the frame body; the suturing assembly comprises a plurality of suturing nails, the suturing nails are sequentially arranged in the connecting pipe in a stacking mode, the plurality of suturing nails are located at the free end, and the connecting pipe can drive the suturing nails to rotate; the pushing part comprises a movable part and a connecting part, the movable part is arranged on the frame body and can drive the connecting part to move along the axial direction of the connecting pipe, the connecting part is inserted into the connecting pipe, and the abutting end of the connecting part is abutted against and pressed on the sewing assembly; the limiting part is positioned in the connecting pipe and used for limiting the suturing nail to be separated from the connecting pipe, and when a first preset condition is met, the suturing nail can be separated from the limiting part and separated from the connecting pipe; and the suture is connected with the plurality of the staples and fixedly connected with the staples arranged at the ports adjacent to the free ends, and the other staples can slide on the suture.

The continuous endoscopic stitching device as defined above, further comprising: draw the piece, draw the piece including removal portion and traction portion, push member's connecting portion have the through-hole that runs through it, removal portion sets up on the support body, and can drive traction portion follows the axial displacement of connecting pipe, traction portion passes the through-hole stretches into in the connecting pipe, traction portion passes a plurality ofly in proper order sew up the nail, traction portion's tip is provided with joint portion, each sew up and all be provided with first joint structure on the nail, just joint portion and neighbouring the port of connecting pipe sets up sew up the nail first joint structure looks joint, and when satisfying first predetermined condition, joint portion can follow deviate from in the first joint structure, joint portion does limit component.

The endoscopically continuous suturing device as described above, wherein the suturing assembly further comprises: the fixing shell is arranged in the connecting pipe and is positioned on one side of the free end, which is adjacent to the frame body, the fixing shell is provided with an accommodating cavity, and the suture and the traction part penetrate through the fixing shell; the first extrusion piece is arranged in the connecting pipe and is positioned between the fixed shell and the suturing nail, the traction part penetrates through the first extrusion piece, a second clamping structure matched with the clamping part of the traction part is arranged on the first extrusion piece, and when a second preset condition is met, the clamping part can be separated from the second clamping structure; wherein the first extrusion piece can be inserted into the containing cavity under the driving of the traction part and extrude the suture to fix the suture on the fixed shell.

The continuous endoscopic stitching device according to the above, wherein a portion of the suture is located within the connecting tube and another portion of the suture passes out of the connecting tube through a side wall of the connecting tube.

The endoscopically continuous suturing device as described above, wherein the suturing assembly further comprises: the cutting-off part, the cutting-off part sets up in the connecting tube, and be located the set casing is close to one side of support body, the top of cutting-off part be provided with the cut-off piece and with joint portion complex third joint structure, the suture runs through the cutting-off part.

The continuous suturing device under the endoscope is characterized in that an inclined surface is arranged on the inner wall surface of the connecting pipe, the suture penetrates out of the connecting pipe from the inclined surface, and the cutting piece can be pressed against the inclined surface.

The endoscopic continuous suturing device as described above, wherein one end of the first presser is provided with an enlarged edge that presses the suture against an inner wall of the accommodating chamber.

The continuous endoscopic stitching device according to the above, wherein a notch is provided in a side wall of the connecting tube; the suture nail is provided with a threading part, the threading part is positioned on the outer side of the connecting pipe, a first connecting structure of the threading part penetrates through the cut and is connected with the suture nail, and the suture penetrates through the threading part.

The endoscopically continuous suturing device as described above, wherein the suturing assembly further comprises: the fixing seat comprises a shell and a first tube body, the shell is arranged in the connecting tube, the first tube body is positioned on the outer side of the connecting tube, the second connecting structure of the shell penetrates through the cut to be connected with the first tube body, the shell is provided with an accommodating cavity, and the suture penetrates through the first tube body; the locking piece comprises an inserting part and a second extrusion part, the inserting part is arranged in the connecting pipe and can be inserted into the accommodating cavity, the second extrusion part is positioned on the outer side of the connecting pipe, a third connecting structure of the inserting part penetrates through the notch to be connected with the second extrusion part, a fourth clamping structure matched with the clamping part of the traction part is arranged on the inserting part, and when a third preset condition is met, the clamping part can be separated from the fourth clamping structure; wherein the second extrusion piece can be inserted into the first tube body to extrude the suture to fix the suture on the fixed seat.

The continuous suturing device under endoscope as described above, wherein the second pressing member is a second tube, the second tube is an elastic tube, the suture passes through the second tube, and the second tube is inserted into the first tube to deform and press the suture.

The continuous suturing device under endoscope, wherein the abutting end of the connecting part of the pushing component is provided with a cutting groove.

The continuous suturing device under endoscope as described above, wherein the connecting tube includes a fixed portion and a rotating portion, the rotating portion being rotatably connected to the fixed portion; the stitching nails are arranged in the rotating part, and the fixing part is connected with the frame body; the pushing piece can rotate relative to the frame body, and the pushing piece can drive the rotating portion to rotate relative to the fixing portion around the axis of the connecting pipe.

The continuous suturing device under the endoscope, wherein a limiting structure is arranged on the inner wall of the rotating part; a first structure interfering with the limiting structure is arranged on the butt joint end of the connecting part; and a second structure interfering with the limiting structure is arranged on the suture nail.

The continuous suturing device under the endoscope is characterized in that the shape defined by the inner wall surface of the rotating part is non-circular, the outer surface of the abutting end of the connecting part is matched with the inner wall surface of the rotating part, and the outer surface of the suturing nail is matched with the inner wall surface of the rotating part.

The continuous suturing device under the endoscope is characterized in that the suturing nail comprises a base body and spiral needle heads, wherein the base body is provided with accommodating grooves, and the spiral needle head of one suturing nail is inserted into the accommodating groove of the other suturing nail.

The continuous suturing device under the endoscope is characterized in that the suturing nail is symmetrically provided with two elastic sheets, the elastic sheets are pressed against the inner wall of the connecting pipe, and the elastic sheets are the limiting parts.

The continuous suturing device under the endoscope is characterized in that two clamping grooves are symmetrically arranged on the side wall of the free end of the connecting pipe, the clamping grooves are arranged close to the port of the free end, and the elastic sheet can be clamped into the clamping grooves.

The continuous suturing device under the endoscope, wherein the first clamping structure and the second clamping structure are clamping pieces; the joint piece has the first connecting hole that runs through it, be provided with the card respectively on the relative lateral wall that sets up of first connecting hole, two the card is along the perpendicular to the direction of the lateral wall of first connecting hole extends in opposite directions, two form the joint hole between the joint piece, draw the portion and pass the joint hole, just joint portion can with card looks joint.

The continuous suturing device under the endoscope, wherein the first clamping structure, the second clamping structure and the first clamping structure are clamping pieces; the clamping sheet is provided with a second connecting hole penetrating through the clamping sheet, a cutting seam is arranged on the side wall, opposite to the second connecting hole, of the second connecting hole in the radial direction, the traction part penetrates through the second connecting hole, and the clamping part can be clamped with the clamping sheet.

The continuous suturing device under the endoscope is characterized in that the clamping sheet is provided with an insertion sheet; the suturing nail is provided with a first insertion groove, the insertion piece is inserted into the first insertion groove, and the clamping piece is fixedly connected with the suturing nail; the first extrusion piece is provided with a second insertion groove, the insertion piece is inserted into the second insertion groove, and the clamping piece is fixedly connected with the first extrusion piece.

Compared with the prior art, the technical scheme has the following advantages: be provided with a plurality of sews up the nail in the connecting pipe, a plurality of sew up the nail through the rotatory anchoring of propelling movement spare or support frame in the relevant position of the surface of a wound, tighten up a plurality of sews up the nail through the suture, a plurality of sew up the nail and drive the human tissue around the wound and sew up the wound, realized under the endoscope continuous suturing device once get into under the human body just can be to sewing up of the surface of a wound, the efficiency of sewing up to the surface of a wound has been improved, in addition, the continuous suturing device's under the endoscope simple structure, high durability and convenient operation, thereby the use comfort of continuous suturing device under the endoscope has been improved, and then the market competitiveness of the product has been increased.

Drawings

The drawings are only for purposes of illustrating and explaining the present application and are not to be construed as limiting the scope of the present application. Wherein:

FIG. 1 is a schematic structural view of a first embodiment of an endoscopically continuous suturing device of the present application;

FIG. 2 is an exploded view of the continuous suturing device of the endoscope shown in FIG. 1;

FIG. 3 is a schematic structural view of a first embodiment of a staple described herein;

FIG. 4 is a cross-sectional structural view of the staple shown in FIG. 3;

FIG. 5 is an enlarged schematic view of portion A of FIG. 1;

FIG. 6 is a schematic view of a staple extension coupling tube according to the present application;

FIG. 7 is a schematic structural view of a first clamping structure of the clamping part of the traction member for disengaging the suturing nail according to the application;

FIG. 8 is a schematic cross-sectional view of the stationary housing, first extrusion and cutting member of the present application;

FIG. 9 is an exploded view of the stationary housing, first extrusion and cutting member of the present application;

FIG. 10 is a partial structural representation of a suture described herein in a locked condition;

FIG. 11 is a partial schematic view of a severed suture of the present application;

FIG. 12 is a schematic view of the pusher of FIG. 2;

fig. 13 is a schematic structural view of the rotating part shown in fig. 2;

FIG. 14 is an exploded view of the rotating portion shown in FIG. 13;

FIG. 15 is a schematic view of an exploded view of the staple shown in FIG. 3;

FIG. 16 is a schematic structural view of a first embodiment of a bayonet tab of the present application;

FIG. 17 is a schematic structural view of a second embodiment of a bayonet tab of the present application;

FIG. 18 is a cross-sectional structural schematic view of the second embodiment of the staple described herein;

FIG. 19 is a schematic view of the continuous endoscopic suturing device of the present application in suturing a wound;

FIG. 20 is an exploded view of a second embodiment of an endoscopic continuous suturing device in accordance with the present application;

FIG. 21 is a schematic structural view of an embodiment of the rotating portion shown in FIG. 20;

FIG. 22 is a cross-sectional structural view of the rotating portion shown in FIG. 21;

FIG. 23 is a cross-sectional structural view of another embodiment of the rotating portion shown in FIG. 20;

FIG. 24a is a schematic structural view of the staple shown in FIG. 20;

FIG. 24b is a cross-sectional structural view of the staple shown in FIG. 24 a;

FIG. 25 is a schematic view of the pusher of FIG. 20;

FIG. 26a is a schematic view of the stationary shell shown in FIG. 20 in cooperation with a cutting member;

FIG. 26b is an exploded schematic view of the structure shown in FIG. 26 a;

FIG. 27a is a schematic view of a third embodiment of an endoscopically subsequent suturing device of the present application;

FIG. 27B is an enlarged view of portion B of FIG. 27 a;

FIG. 28 is an exploded view of the continuous suturing device of the endoscope shown in FIG. 27 a;

FIG. 29 is a schematic structural view of a third embodiment of a staple described herein;

FIG. 30 is a cross-sectional structural view of the staple shown in FIG. 29;

FIG. 31 is an exploded view of the staple of FIG. 29;

FIG. 32 is a schematic view of one embodiment of the anchor block and locking element shown in FIG. 28 engaged;

FIG. 33 is a cross-sectional structural view of the structure shown in FIG. 32;

FIG. 34 is a schematic view of the embodiment of the mounting bracket and locking element shown in FIG. 28;

FIG. 35 is a cross-sectional structural view of the structure shown in FIG. 34;

FIG. 36 is a partial structural representation of a suture of the present application in a locked condition and with a cutting slot of a pusher cutting the suture;

FIG. 37 is a schematic view of the pusher member shown in FIG. 28;

fig. 38 is a schematic cross-sectional view of the spring plate and the locking groove in this application;

FIG. 39 is an exploded schematic view of a fourth embodiment of an endoscopically subsequent suturing device of the present application;

fig. 40 is an enlarged schematic view of the portion C in fig. 39.

The reference numbers illustrate:

10. a support frame; 11. a frame body; 12. a handle; 13. a connecting pipe; 131. a fixed part; 132. a rotating part; 133. a bevel; 134. a card slot; 14. cutting; 16. a limiting plate; 17. a connecting end; 18. a free end; 20. suturing nails; 21. a first clamping structure; 22. threading part; 23. a second structure; 24. a substrate; 25. a screw needle; 26. a first insertion groove; 27. a spring plate; 30. a pushing member; 31. a movable portion; 32. a connecting portion; 321. cutting off the groove; 322. a first structure; 40. a traction member; 41. a moving part; 42. a traction part; 43. a clamping part; 50. sewing; 61. a stationary case; 62. a first extrusion; 621. a second clamping structure; 63. a fixed seat; 631. a housing; 632. a first pipe body; 64. a locking member; 641. a plug-in part; 642. a second extrusion; 643. a fourth clamping structure; 70. cutting off the parts; 71. cutting off the slices; 72. a third clamping structure; 80. a limiting structure; 90. a clip sheet; 91. a card; 92. cutting a seam; 93. a plug-in sheet; 100. and (6) making a wound.

Detailed Description

The present application is described in further detail below with reference to the figures and examples. The features and advantages of the present application will become more apparent from the description.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

In addition, the technical features described below in the different embodiments of the present application may be combined with each other as long as they do not conflict with each other. The following discussion provides a number of embodiments of the application. While each embodiment represents a single combination of applications, the various embodiments of the disclosure may be substituted or combined in any combination, and thus, the disclosure is intended to include all possible combinations of the same and/or different embodiments of what is described. Thus, if one embodiment comprises A, B, C and another embodiment comprises a combination of B and D, then this application should also be considered to comprise an embodiment that comprises A, B, C, D in all other possible combinations, although this embodiment may not be explicitly recited in the text below. In addition, the technical features described below in the different embodiments of the present application may be combined with each other as long as they do not conflict with each other.

Example one

As shown in fig. 1 and 2, the present application provides an endoscopically sequential suturing device including: a support frame 10, a suturing assembly, a retractor 40, a pusher 30, and a suture 50.

As shown in fig. 2, the supporting frame 10 includes a frame body 11, a handle 12 and a connecting pipe 13.

The handle 12 and the connecting pipe 13 are respectively disposed at two corresponding ends of the frame body 11, the connecting pipe 13 includes a connecting end 17 and a free end 18 which are oppositely disposed, and the connecting end 17 is connected to the frame body 11.

As shown in fig. 3 and 4, the stapling assembly includes a plurality of staples 20. In one embodiment of the present application, the staple 20 includes a base 24 and a helical needle 25. The base body 24 is provided with a containing groove, the spiral needle head 25 of one suturing nail 20 is inserted into the containing groove of the other suturing nail 20, namely, a plurality of suturing nails 20 are stacked, and the structure of the suturing nail 20 can reduce the space occupied by the plurality of suturing nails 20, so that the reasonable utilization of the space is ensured. In addition, after the spiral needle 25 is inserted into the accommodating groove of another staple 20, the bases 24 of two adjacent staples 20 are pressed together, so that the plurality of staples 20 can support each other, and the pushing or pulling force of the pulling and pushing

members

40 and 30 can be better transmitted to the staples 20.

As shown in FIG. 2, a plurality of staples 20 are sequentially stacked in the connecting tube 13, and the plurality of staples 20 are located at the free end 18, each staple 20 is provided with a first catching structure 21, and the connecting tube 13 can drive the staple 20 to rotate.

As shown in fig. 2, the pushing member 30 includes a movable portion 31 and a connecting portion 32.

The movable portion 31 is disposed on the frame body 11 and can drive the connecting portion 32 to move along the axial direction of the connecting pipe 13.

The connecting part 32 is inserted into the connecting pipe 13, the abutting end of the connecting part 32 is pressed against the sewing component, and the connecting part 32 is provided with a through hole penetrating through the connecting part.

As shown in fig. 2, the pulling member 40 includes a moving portion 41 and a pulling portion 42.

The moving part 41 is arranged on the frame body 11 and can drive the traction part 42 to move along the axial direction of the connecting pipe 13, the traction part 42 penetrates through the through hole and extends into the connecting pipe 13, and the traction part 42 penetrates through the plurality of suturing nails 20 in sequence.

The end of the traction part 42 is provided with a clamping part 43, and the clamping part 43 is clamped with the first clamping structure 21 of the suturing nail 20 arranged near the port of the connecting pipe 13, and when a first preset condition is met, the clamping part 43 can be disengaged from the first clamping structure 21.

As shown in FIG. 2, a suture 50 is attached to the plurality of staples 20, and the suture 50 is fixedly attached to the staple 20 disposed adjacent the port of the free end 18, with the other staples 20 being able to slide over the suture 50. In one embodiment of the present application, a portion of the suture 50 is located within the connecting tube 13 and another portion of the suture 50 passes out of the connecting tube 13 from the side wall of the connecting tube 13.

The application provides a continuous suturing device under endoscope, be provided with a plurality of sews up nail 20 in the connecting pipe 13, as shown in fig. 5 to 7, a plurality of sew up nail 20 are released from connecting pipe 13 in proper order through propelling part 30, and rotated one by one and bore and anchor in corresponding human tissue, tighten up a plurality of sew up nail 20 through suture 50, a plurality of sew up nail 20 drive human tissue around the wound and sew up the wound, realized under the endoscope just can be to the sewing up of wound after continuous suturing device once gets into the human body, the efficiency of sewing up the wound has been improved, in addition, continuous suturing device's simple structure under the endoscope, high durability and convenient operation, thereby continuous suturing device's under the endoscope use comfort level has been improved, and then the market competitiveness of the product has been increased.

The specific operation process of the continuous suturing device under the endoscope comprises the following steps:

as shown in fig. 5 to 7, after the continuous suturing device under the endoscope enters the human body, the pushing member 30 pushes the spiral needle 25 of the first suturing nail 20 out of the connecting tube 13, and after the spiral needle 25 is completely pushed out of the connecting tube 13, the traction member 40 prevents the first suturing nail 20 from being pulled out of the connecting tube 13 because the clamping part 43 of the traction member 40 is clamped with the first clamping structure 21; then the support frame 10 drives the suturing nail 20 to rotate, so that the spiral needle head 25 is screwed into the human tissue at the first position; after the spiral needle head 25 is completely screwed and anchored in the human tissue, the user increases the external force applied to the pushing element 30, and at the same time, pulls the pulling element 40 with force, so that the clamping portion 43 of the pulling element 40 breaks through the clamping force with the first clamping structure 21 (i.e. meets the first preset condition), and thus the clamping portion 43 can be disengaged from the first clamping structure 21, so as to disengage the first suturing nail 20 from the connecting tube 13; the spiral needle head 25 of the second suturing nail 20 is pushed out of the connecting pipe 13, after the spiral needle head 25 is completely pushed out of the connecting pipe 13, the clamping part 43 of the traction piece 40 is clamped with the first clamping structure 21, the traction piece 40 prevents the second suturing nail 20 from being pulled out of the connecting pipe 13, then the support frame 10 drives the suturing nail 20 to rotate, the spiral needle head 25 is screwed into human tissues at a second position, the external force applied to the pushing piece 30 is increased by a user, meanwhile, the traction piece 40 is pulled forcefully, the clamping part 43 of the traction piece 40 breaks through the clamping force between the traction piece 40 and the first clamping structure 21 (namely, the first preset condition is met), and therefore the clamping part 43 can be pulled out of the first clamping structure 21, and the second suturing nail 20 is pulled out of the connecting pipe 13; by analogy, the plurality of suturing nails 20 are anchored at the corresponding fixing points of the human tissue, then the plurality of suturing nails 20 are tightened through the suture 50, so that the plurality of suturing nails 20 drive the human tissue around the wound to wrap the wound, the plurality of suturing nails 20 are tightened to lock the suture 50, and finally the suture 50 is cut off, so that the plurality of suturing nails 20 drive the human tissue around the wound to suture the wound.

As shown in fig. 8 and 9, in one embodiment of the present application, the suturing assembly further comprises: a stationary case 61, and a first presser 62.

The fixing case 61 is disposed in the connecting pipe 13 at a side of the free end 18 adjacent to the frame body 11, the fixing case 61 has a receiving cavity, and the suture 50 and the drawing part 42 penetrate the fixing case 61.

The first presser 62 is disposed inside the connecting tube 13 between the fixing housing 61 and the staple 20, and the traction part 42 penetrates the first presser 62. Specifically, the first presser 62 is located in the accommodation chamber of the fixed case 61.

Be provided with on first extruded piece 62 with joint portion 43 complex second joint structure 621, and when satisfying the second and predetermine the condition, joint portion 43 can be deviate from in the second joint structure 621.

The first presser 62 can be inserted into the accommodation chamber by the pulling portion 42 and presses the suture 50 to fix the suture 50 to the fixing case 61. In one particular embodiment of the present application, one end of the first extrusion 62 is provided with an enlarged edge that squeezes the suture 50 against the inner wall of the receiving cavity.

As shown in fig. 10, after the plurality of staples 20 are anchored at the corresponding tissue positions, the suture thread 50 is tightened to tighten the plurality of staples 20, the plurality of staples 20 drive the tissue around the wound to wrap the wound, then the traction member 40 is pulled continuously, since the clamping portion 43 of the traction member 40 is clamped with the second clamping structure 621, the traction member 40 drives the first extrusion member 62 to move, so that the first extrusion member 62 and the fixed shell 61 cooperate to compress the suture thread 50, the suture thread 50 cannot move, the suture thread 50 is locked on the fixed shell 61, and then the suture thread 50 is cut off, so that the plurality of staples 20 drive the tissue around the wound to suture the wound; after the thread 50 is locked, continue to increase the power of pulling 40, make joint portion 43 break through with the second joint structure 621 between joint power (satisfy the second and preset the condition promptly), thereby make joint portion 43 deviate from in can following second joint structure 621, thereby joint portion 43 loses the limiting displacement to joint portion 43, so that make fixed shell 61 and first extruded piece 62 deviate from connecting pipe 13 along with suture 50, stay in the human body. Fixed shell 61, first extruded piece 62 and sew up nail 20 and set up inside connecting pipe 13 together, realized once only in human inside to the dead operation of suture 50 lock, do not need other independent locking device lock to die suture 50, convenient operation has improved the efficiency of sewing up, and then has increased the market competition of product.

As shown in fig. 11, in one embodiment of the present application, the suturing assembly further comprises: the member 70 is cut off.

The cutting part 70 is arranged in the connecting pipe 13 and is positioned on one side of the fixing shell 61 adjacent to the frame body 11, the top end of the cutting part 70 is provided with a cutting piece 71 and a third clamping structure 72 matched with the clamping part 43, and the suture 50 penetrates through the cutting part 70. The cutting member 70 is insertable into the fixing case 61 to constitute one assembly with the fixing case 61. The third clamping structure 72 is a limiting hole, and the clamping portion 43 can be clamped on the limiting hole and cannot be separated from the limiting hole.

After the clamping portion 43 is disengaged from the second clamping structure 621, the traction piece 40 is continuously dragged, because the clamping portion 43 is clamped with the third clamping structure 72, the traction piece 40 drives the cutting piece 70 to continuously move, when the cutting piece 71 moves to a position where the suture 50 penetrates out from the side wall of the connecting pipe 13, the cutting piece 71 cuts off the suture 50, the operation of cutting off the suture 50 inside a human body is realized, other independent cutting devices are not needed to cut off the suture 50, the operation is convenient, the suture efficiency is improved, and further the market competitiveness of the product is increased.

As shown in fig. 8 and 9, in an embodiment of the present application, an inclined surface 133 is provided on an inner wall surface of the connecting tube 13, the suture 50 passes through the connecting tube 13 from the inclined surface 133, and the cutting piece 71 can be pressed against the inclined surface 133.

When the cutting piece 71 is pressed against the inclined plane 133, the cutting piece 71 is an elastic piece, so that the cutting piece 71 is bent and cuts off the suture 50 along the inclined plane 133, the cutting piece 71 can effectively cut off the suture 50 due to the arrangement of the inclined plane 133, the operation is convenient, the cutting efficiency is high, the suture efficiency is improved, the use comfort of the continuous suture device under the endoscope is improved, and the market competitiveness of the product is further improved.

As shown in fig. 1 and 13, in an embodiment of the present application, the connection pipe 13 includes a fixed portion 131 and a rotating portion 132.

The rotating portion 132 is rotatably connected to the fixing portion 131.

A plurality of staples 20 are disposed in the rotating part 132, and the fixing part 131 is coupled to the housing 11.

As shown in fig. 13, a stopper 80 is provided on an inner wall of the rotating portion 132.

As shown in fig. 12, the abutting end of the connecting portion 32 is provided with a first structure 322 that interferes with the stopper structure 80.

As shown in fig. 14, the staple 20 is provided with a second structure 23 that interferes with the stop structure 80.

The pushing member 30 can rotate relative to the frame body 11, and the pushing member 30 can drive the rotating portion 132 to rotate relative to the fixing portion 131 around the axis of the connecting pipe 13 through the cooperation of the first structure 322, the second structure 23 and the limiting structure 80.

After the pushing element 30 completely pushes the spiral needle 25 of the suturing nail 20 out of the connecting tube 13, the user rotates the pushing element 30, the pushing element 30 drives the rotating part 132 to rotate due to the interference of the first structure 322 and the limiting structure 80, and the rotating part 132 drives the suturing nail 20 to rotate due to the interference of the second structure 23 and the limiting structure 80, so that the spiral needle 25 is screwed into the human tissue at the corresponding position; above-mentioned rotatory sewing nail 20 operation only needs rotatory pusher 30 just can be with sewing nail 20 screw in human tissue, need not rotate whole support body 11, and easy operation, convenience have guaranteed the use comfort of product, and then have increased the market competition of product.

As shown in fig. 12 to 14, in an embodiment of the present application, the limiting structure 80 is a protrusion disposed inside the connecting tube 13, the protrusion has a limiting function, the first structure 322 is a first engaging groove, the second structure 23 is a second engaging groove, and the protrusion is engaged into the first engaging groove and the second engaging groove, so that the pushing member 30 drives the rotating portion 132 and the suturing nail 20 to rotate synchronously, the protrusion may be an integral structure with the rotating portion 132, or the protrusion may be engaged with the rotating portion 132.

In one embodiment of the present application, as shown in fig. 9, 15 and 16, each of the first and

second latch structures

21 and 621 is a latch tab 90.

The clamping sheet 90 has a first connecting hole penetrating through the clamping sheet, the side wall of the first connecting hole, which is arranged oppositely, is provided with a clamping sheet 91, the two clamping sheets 91 extend oppositely along the direction of the side wall of the first connecting hole, a clamping hole is formed between the two clamping sheets 90, the traction part 42 penetrates through the clamping hole, and the clamping part 43 can be clamped with the clamping sheets 91.

As shown in fig. 15 and 16, the clamping portion 43 of the traction portion 42 is clamped with the clamping piece 91, so that the traction portion 42 interferes with the clamping piece 90, that is, the traction portion 42 can interfere with the suturing nail 20 or the traction portion 42 can interfere with the first pressing piece 62, the user pulls the force traction piece 40 with force, when the force applied to the clamping piece 91 is large, the clamping portion 43 deforms the clamping piece 91, so that the clamping portion 43 is separated from the clamping piece 90, and corresponding functions of the suturing nail 20 and the first pressing piece 62 are realized.

In another embodiment of the present application, as shown in fig. 17, the first clamping structure 21 and the second clamping structure 621 are both clamping pieces 90.

The clamping sheet 90 has a second connecting hole penetrating through the clamping sheet, a cutting slot 92 is arranged on the side wall of the second connecting hole which is arranged oppositely along the radial direction of the second connecting hole, the traction part 42 penetrates through the second connecting hole, and the clamping part 43 can be clamped with the clamping sheet 90.

Draw portion 42's joint portion 43 and joint piece 90 joint mutually, draw portion 42 can interfere mutually with sewing nail 20 or draw portion 42 can interfere mutually with first extruded article 62 promptly, and the user drags power traction member 40 hard, and when the power that joint piece 90 received is great, joint portion 43 makes joint piece 90 warp from joint-cutting 92 to make joint portion 43 deviate from joint piece 90, in order to realize sewing nail 20 and first extruded article 62 corresponding function.

As shown in fig. 17 and 18, in one embodiment of the present application, the engagement piece 90 is provided with an engagement piece 93.

The suturing nail 20 is provided with a first insertion groove 26, the insertion piece 93 is inserted into the first insertion groove 26, and the clamping piece 90 is fixedly connected with the suturing nail 20.

The extrusion piece is provided with a second insertion groove, the insertion piece is inserted into the second insertion groove, and the clamping piece is fixedly connected with the extrusion piece.

The splicing mode of the splicing sheet 90 has simple connection and convenient assembly.

The specific operation process of one embodiment of the continuous suturing device under the endoscope comprises the following steps:

as shown in fig. 3 to 14, after the continuous suturing device under the endoscope enters the human body, the pushing member 30 pushes the spiral needle 25 of the first suturing nail 20 out of the connecting tube 13, and after the spiral needle 25 is completely pushed out of the connecting tube 13, the first suturing nail 20 is prevented from being pulled out of the connecting tube 13 by the traction member 40 because the clamping part 43 of the traction member 40 is clamped with the first clamping structure 21; then, the user rotates the pushing element 30, the pushing element 30 drives the rotating part 132 to rotate due to the interference between the first structure 322 and the limiting structure 80, and the rotating part 132 drives the suturing nail 20 to rotate due to the interference between the second structure 23 and the limiting structure 80, so that the spiral needle head 25 is screwed into the human tissue at the corresponding position; after the spiral needle head 25 is completely screwed and anchored in the human tissue, the user increases the external force applied to the pushing element 30, and at the same time, pulls the pulling element 40 with force, so that the clamping portion 43 of the pulling element 40 breaks through the clamping force with the first clamping structure 21 (i.e. meets the first preset condition), and thus the clamping portion 43 can be disengaged from the first clamping structure 21, so as to disengage the first suturing nail 20 from the connecting tube 13; by analogy, anchoring the plurality of suturing nails 20 at the corresponding fixing points of the human tissue, then tightening the suture 50 to tighten the plurality of suturing nails 20, and then continuing to pull the traction piece 40, wherein the traction piece 40 moves due to the clamping connection part 43 of the traction piece 40 and the second clamping structure 621, so that the first extrusion part 62 extrudes the suture 50, the suture 50 cannot move, and the suture 50 is locked; after the suture 50 is locked, the dragging force of the traction piece 40 is continuously increased, so that the clamping portion 43 breaks through the clamping force between the clamping portion 43 and the second clamping structure 621 (that is, the second preset condition is met), and the clamping portion 43 can be disengaged from the second clamping structure 621, then the traction piece 40 is continuously dragged, because the clamping portion 43 is clamped with the third clamping structure 72, the traction piece 40 drives the cutting piece 70 to continuously move, and when the cutting piece 71 of the cutting piece 70 moves to the position where the suture 50 penetrates out from the side wall of the connecting pipe 13, the cutting piece 71 cuts off the suture 50, as shown in fig. 19, so that the plurality of suturing nails 20 drive human tissues around the wound 100 to suture the wound 100.

Example two

The scheme of the second embodiment is substantially the same as that of the first embodiment, and the difference is that: as shown in fig. 20 to 23, the inner wall surface of the rotating portion 132 is formed in a non-circular shape. As shown in fig. 24a and 24b, the outer surface of the staple 20 fits the inner wall surface of the rotator 132. As shown in fig. 25, the outer surface of the abutting end of the connecting portion 32 is fitted to the inner wall surface of the rotating portion 132. As shown in fig. 26a and 26b, the outer surface of the cutter 70 is fitted to the inner wall surface of the rotating portion 132.

After the pushing element 30 completely pushes the spiral needle 25 of the suturing nail 20 out of the connecting tube 13, the user rotates the pushing element 30, and since the rotating part 132 is non-circular, the abutting end of the connecting part 32 interferes with the rotating part 132, the pushing element 30 drives the rotating part 132 to rotate, the rotating part 132 interferes with the suturing nail 20, and the rotating part 132 drives the suturing nail 20 to rotate, so that the spiral needle 25 is screwed into the human tissue at the corresponding position; above-mentioned rotatory sewing nail 20 operation only needs rotatory pusher 30 just can be with sewing nail 20 screw in human tissue, need not rotate whole support body 11, easy operation, convenience, in addition, drives connecting portion 32 and sewing nail 20 rotation simultaneously through pusher 30, when having avoided support frame 10 overall rotation and the scope pipeline between produce the friction, lead to sewing nail 20 rotation inflexible problem.

In one embodiment of the present application, as shown in fig. 21 and 22, the cavity of the rotating portion 132 has a non-circular cross-section, such as a drop shape, an oval shape, a quadrilateral shape, or as shown in fig. 23, the cavity of the rotating portion 132 has a circular cross-section, and the limiting plate 16 is disposed on the inner wall of the cavity, and the limiting plate 16 divides the cavity of the rotating portion 132 into non-circular shapes.

EXAMPLE III

The scheme of the third embodiment is substantially the same as that of the first embodiment, and the difference is that: as shown in fig. 27a, 27b and 28, a slit 14 is provided on the side wall of the connection pipe 13. As shown in fig. 29 to 31, the staple 20 is provided with a threading part 22. The threading part 22 is positioned outside the connecting pipe 13, the first connecting structure of the threading part 22 passes through the incision 14 to be connected with the staple 20, and the suture 50 passes through the threading part 22. Since the threading part 22 is located outside the connecting tube 13, the connecting tube 13 interferes with the suturing nail 20, and the connecting tube 13 can drive the suturing nail 20 to rotate.

after the continuous suturing device under the endoscope enters a human body, the pushing component 30 pushes the spiral needle head 25 of the first suturing nail 20 out of the connecting pipe 13, and after the spiral needle head 25 is completely pushed out of the connecting pipe 13, the traction component 40 prevents the first suturing nail 20 from falling off from the connecting pipe 13 because the clamping part 43 of the traction component 40 is clamped with the first clamping structure 21; because the threading part 22 is positioned at the outer side of the connecting pipe 13, the connecting pipe 13 interferes with the suturing nail 20, the supporting frame 10 can drive the suturing nail 20 to rotate, and the spiral needle head 25 is screwed into the human tissue at the first position; by analogy, the plurality of suturing nails 20 are anchored at the corresponding fixing points of the human tissue, then the suturing nails 20 are tightened by tightening the suturing thread 50, the suturing thread 50 is locked after the plurality of suturing nails 20 are tightened, so that the plurality of suturing nails 20 drive the human tissue around the wound to wrap the wound, and finally the suturing thread 50 is cut off, so that the plurality of suturing nails 20 drive the human tissue around the wound to suture the wound.

As shown in fig. 28, 32 and 33, in one embodiment of the present application, the suturing assembly further comprises: a fixing seat 63 and a locking element 64.

The fixing base 63 includes a housing 631 and a first tube 632.

The housing 631 is disposed in the connection pipe 13, the first tube 632 is located outside the connection pipe 13, and the second connection structure of the housing 631 is connected to the first tube 632 through the cut 14, the housing 631 has an accommodation cavity, and the suture 50 passes through the first tube 632.

The locking element 64 includes a plug part 641 and a second pressing member 642.

The insertion part 641 is disposed in the connection pipe 13 and can be inserted into the accommodation cavity, the second extrusion piece 642 is located outside the connection pipe 13, the third connection structure of the insertion part 641 passes through the notch 14 to be connected with the second extrusion piece 642, the insertion part 641 is provided with a fourth clamping structure 643 matched with the clamping part 43, and when a third preset condition is met, the clamping part 43 can be disengaged from the fourth clamping structure 643. The fourth latch structure 643 is a latch tab.

The second pressing member 642 can be inserted into the first tube 632 to press the suture 50, thereby fixing the suture 50 to the fixing base 63.

When the plurality of suturing nails 20 are anchored and fixed at corresponding fixing points of human tissues, the plurality of suturing nails 20 are tightened through the suture 50, the plurality of suturing nails 20 drive the human tissues around the wound to wrap the wound, and then the traction piece 40 is dragged, because the clamping part 43 is clamped with the fourth clamping structure 643, the traction piece 40 drives the insertion part 641 to approach the shell 631; when inserting portion 641 inserts and holds the chamber, second extruded piece 642 inserts first body 632 and extrudes seam 50, make seam 50 unable removal die with suture 50, then cut off suture 50, so that a plurality of sewing nail 20 drive the human tissue around the wound and sew up the wound, sew up the back, the user increases the pulling force that draws piece 40, make joint 43 break through and fourth joint structure 643 between clamping power (satisfying the third and predetermineeing the condition promptly), thereby make joint 43 can deviate from fourth joint structure 643, fixing base 63 and closure 64 deviate from connecting pipe 13 along with suture 50. The fixing seat 63 and the locking piece 64 are arranged, so that the operation of locking the suture 50 in the human body is realized, the operation is convenient, the suture efficiency is improved, the use comfort level of the continuous suture device under the endoscope is improved, and the market competitiveness of the product is further improved.

As shown in fig. 34-36, in one embodiment of the present application, the second extrusion 642 is a second tube, the second tube is an elastic tube, the suture 50 extends through the second tube, and the second tube is inserted into the first tube 632 to deform the extrusion suture 50.

After the second body inserts first body 632, because the internal diameter of first body 632 is less than the external diameter of second body, make second body extrusion deformation, produce the locking force between suture 50 and the second body to make suture 50 unable removal die with suture 50 lock, above-mentioned suture 50 dead mode is simple, and convenient operation.

As shown in fig. 36 and 37, in one embodiment of the present application, the abutting end of the connecting portion 32 is provided with a cut-off groove 321.

After the fixing seat 63 and the locking piece 64 are separated from the connecting pipe 13 along with the suture 50, the butt end extends out of the connecting pipe 13, then the suture 50 is clamped into the cutting groove 321, the suture 50 is cut through the cutting groove 321, the operation of cutting off the suture 50 inside a human body is achieved, the operation is convenient, the suture efficiency is improved, the use comfort level of the continuous suture device under the endoscope is improved, and the market competitiveness of a product is further improved.

As shown in fig. 31 and 38, in one embodiment of the present application, two elastic sheets 27 are symmetrically disposed on the staple 20, and the elastic sheets 27 are pressed against the inner wall of the connecting tube 13. Two clamping grooves 134 are symmetrically arranged on the side wall of the free end 18 of the connecting pipe 13, the clamping grooves 134 are arranged adjacent to the port of the free end 18, and the elastic sheet 27 can be clamped in the clamping grooves 134.

The provision of the elastic pieces 27 increases the coupling force between the staple 20 and the coupling tube 13, so that the rotational force applied to the coupling tube 13 can be effectively transmitted to the staple 20, thereby rapidly driving the staple 20 into the human tissue. In addition, the range of the rotation force between the suturing nail 20 and the connecting pipe 13 is increased during the rotation process, and the connecting pipe 13 is prevented from deforming during the rotation process. After the suturing nail is anchored to the human tissue, the pushing piece is pushed, and when a first preset condition is met, the elastic sheet fails to enable the suturing nail to be pulled out of the connecting pipe.

In one embodiment of the present application, the resilient tab may be integrally formed on the outer surface of the base. Alternatively, as shown in fig. 31 and 38, the elastic sheet 27 is integrally formed with the clip sheet 90, a through hole corresponding to the elastic sheet 27 is provided on the base 24, and the elastic sheet 27 passes through the through hole and extends out of the outer surface of the base 24.

Example four

As shown in fig. 39 and 40, the present application provides an endoscopic continuous suturing device including: a support frame 10, a suturing assembly, a pusher 30, and a suture 50.

The support frame 10 includes a frame body 11, a handle 12 and a connecting pipe 13.

The stapling assembly includes a plurality of staples 20. In one embodiment of the present application, a staple includes a base and a helical needle. Be provided with the holding tank on the base member, in the spiral syringe needle that sews up the nail inserted another holding tank that sews up the nail, a plurality of nail of sewing stack settings of sewing promptly can reduce a plurality of spaces that sew up the nail and occupy, from having guaranteed the rational utilization in space. In addition, after the spiral needle head is inserted into the accommodating groove of another suturing nail, the base bodies of two adjacent suturing nails are pressed together, so that the plurality of suturing nails play a mutual supporting role, and the pushing force of the pushing piece is better transmitted to the suturing nails.

The plurality of suturing nails 20 are sequentially stacked in the connecting pipe 13, the plurality of suturing nails 20 are located at the free end 18, two elastic sheets 27 are symmetrically arranged on the suturing nails 20, the elastic sheets 27 are pressed against the inner wall of the connecting pipe 13, namely, the suturing nails 20 are interfered with the connecting pipe 13 through the elastic sheets 27, and the suturing nails 20 are prevented from being pulled out of the connecting pipe 13. The connecting tube 13 can drive the suturing nail 20 to rotate. And when the first preset condition is satisfied, the staple 20 can be released from the connection tube 13.

The pushing member 30 includes a movable portion 31 and a connecting portion 32.

Suture 50 is attached to the plurality of staples 20 and suture 50 is fixedly attached to the staple 20 disposed adjacent the port of free end 18, with the other staples 20 being able to slide over suture 50.

after the continuous suturing device under the endoscope enters a human body, the pushing component 30 pushes the spiral needle head of the first suturing nail 20 out of the connecting pipe 13, when the spiral needle head is completely pushed out of the connecting pipe 13, the external force is stopped being exerted, and the first suturing nail 20 can be prevented from being separated from the connecting pipe 13 due to the interference effect of the elastic sheet 27 and the inner wall of the connecting pipe 13; then the support frame 10 drives the suturing nail 20 to rotate, so that the spiral needle head is screwed into the human tissue at the first position; after the spiral needle head is completely screwed into the human tissue, the user applies an external force to the pushing element 30 again to move the suturing nail 20 continuously, so that the elastic sheet 27 slides out of the connecting tube 13 (i.e. the first preset condition is met) to remove the first suturing nail 20 from the connecting tube 13; by analogy, the plurality of suturing nails 20 are anchored at corresponding human tissue fixing points, then the suturing threads 50 are tightened to tighten the plurality of suturing nails 20, the suturing threads 50 are locked after the plurality of suturing nails 20 are tightened, so that the plurality of suturing nails 20 drive human tissue around a wound to wrap the wound, and finally the suturing threads 50 are cut off, so that the plurality of suturing nails 20 drive the human tissue around the wound to suture the wound.

As shown in fig. 40, in an embodiment of the present application, two locking slots 134 are symmetrically disposed on the side wall of the free end 18 of the connecting tube 13, the locking slots 134 are disposed adjacent to the port of the free end 18, and the elastic sheet 27 can be locked in the locking slots 134.

When the spring 27 moves to the position of the catching groove 134, the spring 27 is inserted into the catching groove 134, and the coupling force between the suturing nail 20 and the connecting tube 13 is increased, so that the rotational force applied to the connecting tube 13 can be effectively transmitted to the suturing nail 20, and the suturing nail 20 can be rapidly inserted into the human tissue. And the locking force between the staples 20 and the connecting tube 13 is increased, thereby effectively preventing the probability that the staples 20 are released from the connecting tube 13 during the suturing process. In addition, the range of the rotation force between the suturing nail 20 and the connecting pipe 13 is increased during the rotation process, and the connecting pipe 13 is prevented from deforming during the rotation process. After anchoring the staples 20 to the body tissue, pusher 30 is advanced and when the first predetermined condition is met, spring tabs 27 are deactivated to disengage the staples 20 from the connecting tube 13.

In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on an operation state of the present application, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. The terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present application, it is to be noted that unless otherwise explicitly specified or limited.

In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically indicated and limited. The term "plurality" means two or more unless expressly limited otherwise. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The present application has been described above with reference to preferred embodiments, but these embodiments are merely exemplary and merely illustrative. On the basis of the above, the present application can be subjected to various substitutions and improvements, and the substitutions and the improvements are all within the protection scope of the present application.

Claims

1. An endoscopically continuous suturing device, comprising:

the support frame comprises a frame body, a handle and a connecting pipe, the handle and the connecting pipe are respectively arranged at two corresponding ends of the frame body, the connecting pipe comprises a connecting end and a free end which are oppositely arranged, and the connecting end is connected with the frame body;

the suturing assembly comprises a plurality of suturing nails, the suturing nails are sequentially arranged in the connecting pipe in a stacking mode, the plurality of suturing nails are located at the free end, and the connecting pipe can drive the suturing nails to rotate;

the pushing part comprises a movable part and a connecting part, the movable part is arranged on the frame body and can drive the connecting part to move along the axial direction of the connecting pipe, the connecting part is inserted into the connecting pipe, and the abutting end of the connecting part is abutted against and pressed on the sewing assembly;

the limiting part is positioned in the connecting pipe and used for limiting the suturing nail to be separated from the connecting pipe, and when a first preset condition is met, the suturing nail can be separated from the limiting part and separated from the connecting pipe; and

a suture coupled to the plurality of staples and fixedly coupled to the staples disposed adjacent the free end port, the other staples being slidable over the suture.

2. The endoscopic continuous stitching device according to claim 1, further comprising:

draw the piece, draw the piece including removal portion and traction portion, push member's connecting portion have the through-hole that runs through it, removal portion sets up on the support body, and can drive traction portion follows the axial displacement of connecting pipe, traction portion passes the through-hole stretches into in the connecting pipe, traction portion passes a plurality ofly in proper order sew up the nail, traction portion's tip is provided with joint portion, each sew up and all be provided with first joint structure on the nail, just joint portion and neighbouring the port of connecting pipe sets up sew up the nail first joint structure looks joint, and when satisfying first predetermined condition, joint portion can follow deviate from in the first joint structure, joint portion does limit component.

3. The endoscopically continuous suturing device of claim 2,

the suturing assembly further comprises: the fixing shell is arranged in the connecting pipe and is positioned on one side of the free end, which is adjacent to the frame body, the fixing shell is provided with an accommodating cavity, and the suture and the traction part penetrate through the fixing shell; and

the first extrusion piece is arranged in the connecting pipe and is positioned between the fixed shell and the suturing nail, the traction part penetrates through the first extrusion piece, a second clamping structure matched with the clamping part of the traction part is arranged on the first extrusion piece, and the clamping part can be separated from the second clamping structure when a second preset condition is met;

wherein the first extrusion piece can be inserted into the containing cavity under the driving of the traction part and extrude the suture to fix the suture on the fixed shell.

4. The endoscopically continuous suturing device of claim 3,

one part of the suture is positioned in the connecting pipe, and the other part of the suture penetrates out of the connecting pipe from the side wall of the connecting pipe.

5. The endoscopically continuous suturing device of claim 4,

the suturing assembly further comprises: the cutting-off part, the cutting-off part sets up in the connecting tube, and be located the set casing is close to one side of support body, the top of cutting-off part be provided with the cut-off piece and with joint portion complex third joint structure, the suture runs through the cutting-off part.

6. The endoscopically continuous suturing device of claim 5,

the inner wall surface of the connecting pipe is provided with an inclined surface, the suture penetrates out of the connecting pipe from the inclined surface, and the cut-off piece can be pressed on the inclined surface.

7. The endoscopically continuous suturing device of claim 3,

one end of the first extrusion is provided with an expanded edge which extrudes the suture on the inner wall of the accommodating cavity.

8. The endoscopically continuous suturing device of claim 2,

a notch is arranged on the side wall of the connecting pipe;

the suture nail is provided with a threading part, the threading part is positioned on the outer side of the connecting pipe, a first connecting structure of the threading part penetrates through the cut and is connected with the suture nail, and the suture penetrates through the threading part.

9. The endoscopically continuous suturing device of claim 8,

the suturing assembly further comprises: the fixing seat comprises a shell and a first tube body, the shell is arranged in the connecting tube, the first tube body is positioned on the outer side of the connecting tube, the second connecting structure of the shell penetrates through the cut to be connected with the first tube body, the shell is provided with an accommodating cavity, and the suture penetrates through the first tube body; and

the locking piece comprises an inserting part and a second extrusion part, the inserting part is arranged in the connecting pipe and can be inserted into the accommodating cavity, the second extrusion part is positioned on the outer side of the connecting pipe, a third connecting structure of the inserting part penetrates through the notch to be connected with the second extrusion part, a fourth clamping structure matched with the clamping part of the traction part is arranged on the inserting part, and when a third preset condition is met, the clamping part can be separated from the fourth clamping structure;

wherein the second extrusion piece can be inserted into the first tube body to extrude the suture to fix the suture on the fixed seat.

10. The endoscopically continuous suturing device of claim 9,

the second extruded part is a second tube body, the second tube body is an elastic tube body, the suture penetrates through the second tube body, and the second tube body is inserted into the first tube body and deforms and extrudes the suture.

11. The endoscopically continuous suturing device according to any one of claims 1 to 4 or 7 to 10, wherein an abutting end of the connecting portion of the pushing member is provided with a cut-off groove.

12. The endoscopically continuous suturing device according to any one of claims 1 to 7,

the connecting pipe comprises a fixed part and a rotating part, and the rotating part is rotatably connected with the fixed part; the stitching nails are arranged in the rotating part, and the fixing part is connected with the frame body; the pushing piece can rotate relative to the frame body, and the pushing piece can drive the rotating portion to rotate relative to the fixing portion around the axis of the connecting pipe.

13. The endoscopically continuous suturing device of claim 12,

the inner wall of the rotating part is provided with a limiting structure;

a first structure interfering with the limiting structure is arranged on the butt joint end of the connecting part;

and a second structure interfering with the limiting structure is arranged on the suture nail.

14. The endoscopically continuous suturing device of claim 12,

the shape that the internal face of rotation portion encloses is non-circular, the surface of the butt end of connecting portion with the internal face looks adaptation of rotation portion, the surface of sewing nail with the internal face looks adaptation of rotation portion.

15. The endoscopically continuous suturing device according to any one of claims 1 to 10,

the suturing nail comprises a base body and a spiral needle head, wherein a containing groove is formed in the base body, one spiral needle head of the suturing nail is inserted into the other containing groove of the suturing nail.

16. The endoscopically continuous suturing device of claim 1,

two elastic pieces are symmetrically arranged on the sewing nail and are pressed against the inner wall of the connecting pipe, and the elastic pieces are the limiting parts.

17. The endoscopically continuous suturing device of claim 16, wherein the connecting tube has two slots symmetrically disposed on a sidewall of a free end thereof, the slots being disposed adjacent to the port of the free end, the resilient tab being capable of being snapped into the slots.

18. The endoscopically continuous suturing device of claim 3,

the first clamping structure and the second clamping structure are clamping sheets;

the joint piece has the first connecting hole that runs through it, be provided with the card respectively on the relative lateral wall that sets up of first connecting hole, two the card is along the perpendicular to the direction of the lateral wall of first connecting hole extends in opposite directions, two form the joint hole between the joint piece, draw the portion and pass the joint hole, just joint portion can with card looks joint.

19. The endoscopically continuous suturing device of claim 3,

the first clamping structure, the second clamping structure and the clamping sheets are all clamping sheets;

the clamping sheet is provided with a second connecting hole penetrating through the clamping sheet, a cutting seam is arranged on the side wall, opposite to the second connecting hole, of the second connecting hole in the radial direction, the traction part penetrates through the second connecting hole, and the clamping part can be clamped with the clamping sheet.

20. The endoscopically continuous suturing device as claimed in claim 18 or 19,

the clamping sheet is provided with an inserting sheet;

the suturing nail is provided with a first insertion groove, the insertion piece is inserted into the first insertion groove, and the clamping piece is fixedly connected with the suturing nail;

the first extrusion piece is provided with a second insertion groove, the insertion piece is inserted into the second insertion groove, and the clamping piece is fixedly connected with the first extrusion piece.