CN112089458A

CN112089458A - Split type operation stitching instrument

Info

Publication number: CN112089458A
Application number: CN201910461517.3A
Authority: CN
Inventors: 张文举; 张伟丽
Original assignee: Shenzhen Hospital University of Hong Kong
Current assignee: Shenzhen Hospital University of Hong Kong
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-12-18
Also published as: WO2020237893A1

Abstract

The invention discloses a split type surgical suture instrument which comprises a main body control part, a split part, a suture end head part and a suture fixing part, wherein one end of the split part is movably connected with the main body control part, the other end of the split part is connected with the suture end head part, and the suture fixing part is arranged outside the split part and is connected with the split part. According to the invention, the detachable split part is arranged between the main body control part and the suture end head part, after the operation is completed, the medical staff can perform the second operation only by replacing the split part, namely, the main body control part can be repeatedly used after being sterilized, and the split part is disposable, so that the service life of the suturing device is effectively prolonged, and meanwhile, the manufacturing cost of the suturing device is also reduced; the structure is used for suturing deep ligament tissues, is simple and convenient to operate, has high success rate after one-time suturing, can repeatedly suture, greatly shortens the operation time, and is accurate in suturing.

Description

Split type operation stitching instrument

Technical Field

The invention belongs to the technical field of medical instruments, relates to a surgical stitching instrument, and particularly relates to a split type surgical stitching instrument.

Background

At present, in the operation process, most of suturing devices used by operators in suturing and fixing are disposable and cannot be recycled, so that the cost for manufacturing the suturing devices is high; when ligament tissues at the deep part of the lacuna need to be sutured and fixed, and when the traditional needle holder is used for clamping a suture needle to suture and fix, because the operating part is deep and the space is narrow, a large amount of surrounding tissues need to be separated, a larger space is formed at the operating part, and the suture can be performed under the condition that an operator looks straight; therefore, the peripheral tissues are greatly damaged, the adjacent organs are easily damaged, even if the peripheral tissues are damaged, the suture is still difficult due to the factors of small and deep operation space and insufficient space illumination, the one-time suture power is not high, and the operation time is prolonged.

Disclosure of Invention

In view of the above, the main objective of the present invention is to provide a split type surgical suture instrument, which solves the problems that the suture of the ligament tissue deep in the cavity space is difficult, the adjacent organs are easily damaged, and the suture instrument in the prior art cannot be reused, resulting in high manufacturing cost.

In order to achieve the purpose, the technical scheme of the invention is realized as follows: a split type surgical suture device comprises a main body control part, a split part, a suture end head part and a suture fixing part, wherein one end of the split part is movably connected with the main body control part, the other end of the split part is connected with the suture end head part, and the suture fixing part is arranged outside the split part 2 and is connected with the split part.

Preferably, the split part comprises a split body main body with a hollow structure and a driven rod assembly, the driven rod assembly is arranged in the split body main body, one end of the split body main body is movably connected with the main body control part, and the other end of the split body main body is connected with the suture end head part.

Preferably, the main body control part comprises a trigger, a shell assembly with a holding handle, a tail end rotating assembly arranged outside the shell assembly and a driving rod arranged in the shell assembly 12, the tail end rotating assembly is matched and connected with one end of the driving rod for fixing or loosening the driving rod, and the trigger is fixedly connected with the driving rod for pushing the driving rod to move forwards; the driving rod is connected with the driven rod assembly in a matched mode.

Preferably, the main body control part further comprises a split fixing component, one side of the split fixing component is arranged in the main body control part, the outer shell component is close to the inner part of one end of the split main body, and the split main body is movably connected with the outer shell component through the split fixing component.

Preferably, the components of a whole that can function independently fixed subassembly includes branch spare mounting main part, branch spare moving part main part, first elastic component, divide spare moving part main part cover from inside to outside in proper order and establish on branch spare mounting main part, just one end and the branch spare mounting main part fixed connection of first elastic component.

Preferably, be provided with the arch on the inner wall of branch spare mounting main part, be provided with the draw-in groove on the outer wall of branch spare main part, the arch is connected with the draw-in groove cooperation.

Preferably, the driven rod assembly comprises a first driven rod, a first bending piece, a first connecting rod and a stitching needle head, the driven rod and the connecting rod are respectively arranged at two ends of the bending piece and fixedly connected with the first bending piece, the stitching needle head is connected with one end, far away from the first bending piece, of the first connecting rod, and a driving rod in the main body control part is connected with one end, far away from the first bending piece, of the first driven rod in a matched mode.

Preferably, the suture end part comprises a first suture end body with a hollow structure and a thread end fixing piece, one end of the first suture end body is bent, a first through groove 311 which can enable the suture needle to be placed and fixed and is used for suturing damaged tissues is arranged at one end of the first suture end body, and a through hole for fixing the fixing piece is arranged on the side wall of the first through groove; the bent end of the first sewing end body is fixedly connected with the split main body.

Preferably, the driven rod assembly comprises a second driven rod, a second bending piece, a second connecting rod and a suturing needle head assembly, the second driven rod and the second connecting rod are respectively arranged at two ends of the second bending piece and fixedly connected with the second bending piece, the suturing needle head assembly is connected with one end, far away from the second bending piece, of the second connecting rod, and the main body control portion is connected with one end, far away from the second bending piece, of the second driven rod in a matched mode.

Preferably, the suturing needle assembly comprises a push rod needle and a push rod cap, the push rod cap is sleeved at the end of the push rod needle, and the bottom of the push rod needle is connected with the second connecting rod.

Preferably, the sewing end head part comprises a second sewing end body with a hollow structure, one end of the second sewing end body is bent, a second through groove which can enable the push rod needle to be fixedly placed and used for sewing damaged tissues is formed in one end of the second sewing end body, a fixing groove for fixing the push rod cap is formed in the groove wall of the second through groove, and the bent end of the second sewing end body is fixedly connected with the split part main body.

Preferably, the bottom of each of the first suture end body and the second suture end body is provided with a slit for positioning a suture.

Preferably, the first sewing end body and the second sewing end body are respectively bent at an angle of 10-20 degrees relative to the length direction of the separated piece main body.

Preferably, the suture fixing part comprises a wire coil assembly, a wire coil positioning cylinder, a fixing fastener and a connecting piece, the wire coil positioning cylinder is sleeved on the body of the separating piece, the fixing fastener is fixedly arranged on the wire coil positioning cylinder, and the wire coil assembly is arranged on the fixing fastener in a penetrating mode and is connected with the fixing fastener through the connecting piece.

Preferably, the wire coil assembly comprises an upper coil body and a lower coil body, the upper coil body is fixedly connected with the lower coil body, the connecting piece is arranged in the upper coil body, and the upper coil body is connected with the fixing fastener through the connecting piece; the lower tray body is provided with a boss which is provided with a wire head embedded groove and is used for winding a suture wire.

Preferably, the main body control part further comprises a third elastic assembly arranged in the shell assembly, the third elastic assembly is sleeved on the driving rod and used for returning the driving rod, the driven rod assembly further comprises two second elastic pieces, and the second elastic pieces are respectively sleeved on the first driven rod and the second driven rod and used for returning the first driven rod and the second driven rod.

Preferably, a side wall of one end of the first driven rod far away from the first bending member and a side wall of one end of the second driven rod far away from the second bending member are both provided with a limiting member for the second elastic member to generate elastic force.

Preferably, the tail end rotating assembly comprises a tail end rotating piece and a rotating fixing piece, the tail end rotating piece is sleeved on the rotating fixing piece, and one end of the driving rod is connected with the rotating fixing piece in a matched mode.

Compared with the prior art, the detachable split part is arranged between the main body control part and the suture end head part, so that after the operation is finished, the medical personnel can perform the second operation only by replacing the split part, thereby realizing the reutilization of the main body control part and effectively reducing the cost for manufacturing the suture instrument.

Drawings

FIG. 1 is a schematic view of the overall structure of a split type surgical stapler according to embodiment 1 of the present invention;

FIG. 2 is a sectional view of the whole of the split type surgical stapler provided in embodiment 1 of the present invention

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a sectional view of a split portion of the split surgical stapler according to embodiment 1 of the present invention; FIG. 5 is a schematic structural view of a suture end portion in the split type surgical suture instrument provided in embodiment 1 of the present invention;

FIG. 6 is a schematic view showing the structure of a suture fixing portion in the split type surgical stapler according to embodiment 1 of the present invention;

FIG. 7 is a schematic structural view of a wire reel assembly in the split surgical stapler according to embodiment 1 of the present invention;

FIG. 8 is an exploded view of the split surgical stapler according to embodiment 1 of the present invention;

FIG. 9 is a schematic view showing the overall structure of the split type surgical stapler according to embodiment 2 of the present invention;

FIG. 10 is an overall sectional view of a split type surgical stapler provided in accordance with embodiment 2 of the present invention;

FIG. 11 is a structural view showing a suture end portion in the split type surgical suture instrument provided in embodiment 2 of the present invention;

FIG. 12 is a schematic structural view of a suturing head assembly in the split-type surgical stapler according to embodiment 2 of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

A split type surgical suture instrument provided in embodiment 1 of the present invention, as shown in fig. 1, includes a main body control part 1, a split part 2, a suture end part 3, and a suture fixing part 4, wherein one end of the split part 2 is movably connected to the main body control part 1, the other end is connected to the suture end part 3, and the suture fixing part 4 is disposed outside the split part 2 and connected to the split part 2; according to the structure, the detachable split part is arranged between the main body control part 1 and the suture end head part 3, so that after the operation is finished, a medical operator can perform the function of the operation of suturing again only by replacing the split part 2, thereby realizing the reutilization of the main body control part 1 and effectively reducing the cost for manufacturing the suturing device; meanwhile, the suture fixing part is arranged outside the split part 2 and connected with the split part 2, which is beneficial to the fixation of the suture and the guidance in use.

Further, as shown in fig. 2, 3 and 4, the separate body 2 includes a separate body main body 21 having a hollow structure, and a follower lever assembly 22, the follower lever assembly 22 is disposed in the separate body main body 21, one end of the separate body main body 21 is movably connected to the main body control portion 1, and the other end is connected to the suture end head portion 3.

Further, as shown in fig. 3, the main body control part 1 includes a trigger 11, a housing assembly 12 having a grip handle, a tail end rotating assembly 13 disposed outside the housing assembly 12, and a driving rod 14 disposed inside the housing assembly 12, the tail end rotating assembly 13 is connected with one end of the driving rod 14 in a matching manner for fixing or releasing the driving rod 14, and the trigger 11 is fixedly connected with the driving rod 14 for pushing the driving rod 14 to displace forwards; drive link 14 is matingly coupled to driven link assembly 22.

Further, the main body control part 1 further comprises a split fixing component 15, one side of the split fixing component 15 is arranged inside one end, close to the split main body 21, of the outer shell component 12 in the main body control part 1, and the split main body 21 is movably connected with the outer shell component 12 through the split fixing component 15.

Further, the split fixing assembly 15 includes a split fixing member main body 151, a split moving member main body 152, and a first elastic member 153, wherein the first elastic member 153 and the split moving member main body 153 are sequentially sleeved on the split fixing member main body 151 from inside to outside, and one end of the first elastic member 153 is fixedly connected to the split fixing member main body 151.

Further, be provided with arch 1511 on the inner wall of branch spare mounting main part 151, be provided with draw-in groove 211 on the outer wall of branch spare main part 21, arch 1511 is connected with the cooperation of draw-in groove 211.

Further, the driven rod assembly 22 includes a first driven rod 221, a first bending member 222, a first connecting rod 223, and a suture needle 224, wherein the driven rod 221 and the connecting rod 223 are respectively disposed at two ends of the bending member 222 and fixedly connected with the first bending member 232, the suture needle 224 is connected with one end of the first connecting rod 223 far away from the first bending member 222, and the driving rod 14 in the main body control portion 1 is connected with one end of the first driven rod 221 far away from the first bending member 222 in a matching manner.

Further, as shown in fig. 5, the suture end portion 3 includes a first suture end body 31 having a hollow structure and a thread end fixing member 32, one end of the first suture end body 31 is curved, a first through groove 311 for fixing the suture needle 234 and suturing the damaged tissue is disposed at one end of the first suture end body 31, and a through hole for fixing the fixing member 32 is disposed on a side wall of the first through groove 311; the bent end of the first sewing terminal body 31 is fixedly connected to the split body 21.

Further, the bottom of the first suture end body 31 is provided with a slit 343 for positioning the suture.

Further, as shown in fig. 2, 4 and 5, the first suture tip body 31 is bent at an angle of 10 to 20 degrees with respect to the longitudinal direction of the separate body 21.

Further, as shown in fig. 6 and 7, the suture fixing portion 4 includes a wire coil assembly 41, a wire coil positioning cylinder 42, a fixing fastener 43 and a connecting member 44, the wire coil positioning cylinder 42 is sleeved on the split body 21, the fixing fastener 43 is fixedly arranged on the wire coil positioning cylinder 42, and the wire coil assembly 41 is arranged on the fixing fastener 43 in a penetrating manner and is connected with the fixing fastener 43 through the connecting member 44.

Further, the wire coil assembly 41 comprises an upper disc 411 and a lower disc 412, the upper disc 411 is fixedly connected with the lower disc 412, the connecting piece 44 is arranged in the upper disc 411, and the upper disc 411 is connected with the fixing fastener 43 through the connecting piece 44; the lower plate 412 is provided with a boss 415 which is provided with a thread end embedding groove 417 and is used for winding the suture thread.

Further, as shown in fig. 2 and/or 3, the main body control portion 1 further includes a third elastic member 16 disposed in the shell member 12, the third elastic member 16 is sleeved on the driving rod 14 for returning the driving rod 14, and the driven rod member 22 further includes a second elastic member 229, and the second elastic member 229 is sleeved on the first driven rod 221 for returning the first driven rod 221.

Further, as shown in fig. 4, a limit member 2211 for generating an elastic force by the second elastic member 229 is disposed on a side wall of an end of the first driven lever 221 away from the first bending member 222.

Further, as shown in fig. 2 and 10, the tail end rotating assembly 13 includes a tail end rotating member 131 and a rotating fixing member 132, the tail end rotating member 131 is sleeved on the rotating fixing member 132, and one end of the driving rod 14 is connected to the rotating fixing member 132 in a matching manner.

Further, the third elastic component 16 is a spring, and a limiting protrusion 125 for generating elasticity of the spring is disposed in the housing component 12, and the spring abuts against the limiting protrusion 125.

Further, a spring gasket 16 is arranged between the spring and the limiting protrusion 125, and the left and right shells are effectively protected from being damaged by the spring by the arrangement of the spring gasket 16.

Further, as shown in fig. 2 and 3, the housing assembly 12 includes a left housing 122, a right housing 123, and left and right housing fasteners 124, wherein the left housing 122 and the right housing 123 are fittingly connected by the left and right housing fasteners 124; by providing the housing assembly 12, part of the components of the main body control section 1 are effectively fixed and restrained.

The split type surgical stapler provided by the embodiment 1 of the invention is used as follows:

1) the tail end rotating member 131 is rotated clockwise to release the fixation of the driving lever 14;

2) the suture end 3 is placed into the position of the ligament tissue to be sutured by the finger guide, and the ligament tissue is fixed in the through groove by using the first through groove 311;

3) the trigger 11 is tightly held by force in the palm direction, at the moment, the driving rod 14 pushes the moving rod assembly 22 to pass the plastic part 33 with the thread end through ligament tissue, and the plastic part is successfully sent into the through groove of the fixing part 32 and fixed in the clamping groove of the first suturing end body 31 together with the fixing part 32 to be clamped tightly;

4) the trigger 11 is released, the active rod 14 and the active rod assembly 23 are partially retracted, and the plastic part with the thread head 33 stays in the front end clamping groove;

5) moving the suture position, forcibly holding the trigger 11 in the palm direction, and enabling the driving push rod 14 and the driven rod 22 to penetrate through ligament tissues again to reach the through groove of the fixing piece 32;

6, pressing the front end of the fixing part 32 by fingers, and slowly releasing the front end together with the trigger 11, and then bringing the plastic part 33 with the thread end back to the initial position by the sewing needle 234, wherein at the moment, the single sewing action is finished, and the continuous sewing is completed by repeating the operations;

and 7, after all the sewing actions are finished, taking out the sewing device, and disassembling the split part 2 to finish all the sewing actions.

Example 2

A split-type surgical suture instrument provided in embodiment 2 of the present invention, as shown in fig. 9, includes a main body control part 1, a split-type part 2, a suture end part 3, and a suture fixing part 4, wherein one end of the split-type part 2 is movably connected to the main body control part 1, the other end is connected to the suture end part 3, and the suture fixing part 4 is disposed outside the split-type part 2 and connected to the split-type part 2; according to the structure, the detachable split part is arranged between the main body control part 1 and the suture end head part 3, so that after the operation is finished, a medical operator can perform the function of the operation of suturing again only by replacing the split part 2, thereby realizing the reutilization of the main body control part 1 and effectively reducing the cost for manufacturing the suturing device; meanwhile, the suture fixing part is arranged outside the split part 2 and connected with the split part 2, which is beneficial to the fixation of the suture and the guidance in use.

Further, as shown in fig. 10, the separate body 2 includes a separate body 21 having a hollow structure, and a driven rod assembly 22, the driven rod assembly 22 is disposed in the separate body 21, one end of the separate body 21 is movably connected to the body control portion 1, and the other end is connected to the suture end head portion 3.

Further, the main body control part 1 comprises a trigger 11, a shell assembly 12 with a holding handle, a tail end rotating assembly 13 arranged outside the shell assembly 12 and a driving rod 14 arranged in the shell assembly 12, wherein the tail end rotating assembly 13 is matched and connected with one end of the driving rod 14 for fixing or loosening the driving rod 14, and the trigger 11 is fixedly connected with the driving rod 14 for pushing the driving rod 14 to displace forwards; the driving rod 14 is connected with the driven rod assembly 22 in a matching mode.

Further, the main body control part 1 further comprises a split fixing assembly 15, one side of the split fixing assembly 15 is arranged inside one end, close to the split main body 21, of the outer shell assembly 12 in the main body control part 1, and the split main body 21 is movably connected with the outer shell assembly 12 through the split fixing assembly 15.

Further, the driven rod assembly 22 includes a second driven rod 225, a second bending member 226, a second connecting rod 227 and a suture needle assembly 228, the second driven rod 225 and the second connecting rod 226 are respectively disposed at two ends of the second bending member 226 and fixedly connected with the second bending member 226, the suture needle assembly 228 is connected with one end of the second connecting rod 227 far away from the second bending member 226, and the main body control portion 1 is connected with one end of the second driven rod 225 far away from the second bending member 226 in a matching manner.

Further, the suture needle assembly 228 comprises a push rod needle 2281 and a push rod cap 2282, the push rod cap 2282 is sleeved on the end portion of the push rod needle 2281, and the bottom of the push rod needle 2281 is connected with the second connecting rod 227.

Further, the suture end portion 3 includes a second suture end body 34 having a hollow structure, one end of the second suture end body 34 is curved, a second through groove 341 for placing and fixing the push rod needle 2281 therein and for suturing the injured tissue is disposed at one end of the second suture end body 34, a fixing groove 342 for fixing the push rod cap 2282 is disposed on a groove wall of the second through groove 341, and the curved end of the second suture end body 34 is fixedly connected to the split body 21.

Further, as shown in fig. 12, the bottom of the second suturing tip body 34 is provided with a slit 343 for positioning a suture.

Further, as shown in fig. 10 and 11, the bending angle of the second suture tip body 34 with respect to the longitudinal direction of the separable body 21 is 10 to 20 degrees.

Further, as shown in fig. 10 and 11, the main body control portion 1 further includes a third elastic member 16 disposed in the housing member 12, the third elastic member 16 is fitted over the driving link 14 for returning the driving link 14, and the driven link member 22 further includes a second elastic member 229, and the second elastic member 229 is fitted over the second driven link 225 for returning the second driven link 225.

Further, as shown in fig. 10, a limit stop 2211 for generating an elastic force by the second elastic member 229 is disposed on an end wall of the second driven rod 225 away from the second bending member 226.

Further, the tail end rotating assembly 13 includes a tail end rotating member 131 and a rotating fixing member 132, the tail end rotating member 131 is sleeved on the rotating fixing member 132, and one end of the driving rod 14 is connected to the rotating fixing member 132 in a matching manner.

Further, a spring gasket 17 is arranged between the spring and the limiting protrusion 125, and the left shell and the right shell are effectively protected from being damaged by the spring through the arrangement of the spring gasket 17.

Further, as shown in fig. 3, the housing assembly 12 includes a left housing 122, a right housing 123, and left and right housing fasteners 124, wherein the left housing 122 and the right housing 123 are connected by the left and right housing fasteners 124; by providing the housing assembly 12, part of the components of the main body control section 1 are effectively fixed and restrained.

The split type surgical stapler provided by the embodiment 2 of the invention is used in the following process:

2) the suture end 3 is placed into the position of the ligament tissue to be sutured by the finger, and the ligament tissue is fixed in the through groove by 341;

3) the trigger 11 is tightly held in the palm direction, at the moment, the driving rod 14 pushes the moving rod assembly 22, and then the fixed push rod cap 2382 penetrates through ligament tissues and is successfully sent into the through groove of the fixed groove 342 and is clamped;

4) when the trigger 11 is released, the driving rod 14 and the moving rod assembly 22 are partially retracted, and the fixed push rod cap 2382 stays in the clamping groove of the fixed groove 342, so that one-time sewing is finished;

5) taking out the stitching instrument, detaching the stitching line fixing part 4, replacing a new stitching line fixing part 4 part and continuing to finish the stitching action;

6) the suturing device is taken out, and the split part 2 is detached to complete all actions of the suturing operation.

The instrument is specially used for suturing tissues in deep and narrow spaces of body cavities in an operation; according to the invention, the detachable split part 2 is arranged between the main body control part 1 and the suture end head part 3, so that after the operation is finished, the medical personnel only needs to replace the split part to perform the function of the operation of suturing again, thereby realizing the reutilization of the main body control part 1 and effectively reducing the cost for manufacturing the suturing device; in addition, this structure easy operation is convenient, only needs to isolate less space in the operation, surveys and the deep ligament tissue with the finger, can accomplish under the finger direction and sews up, need not look at directly, once sews up into high power, and can repeatedly sew up, shortens the operation time greatly, sews up accurately, is difficult for the accidental injury adjacent organ, has reduced the vice damage of operation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The split type surgical suture instrument is characterized by comprising a main body control part, a split part, a suture end head part and a suture fixing part, wherein one end of the split part is movably connected with the main body control part, the other end of the split part is connected with the suture end head part, and the suture fixing part is arranged outside the split part and is connected with the split part.

2. The split surgical stapler of claim 1, wherein the split part comprises a split body having a hollow structure, and a follower lever assembly disposed in the split body, wherein one end of the split body is movably connected to the body control part, and the other end is connected to the suture end head.

3. The split surgical stapler of claim 2, wherein the main body control part comprises a trigger, a housing assembly with a holding handle, a tail end rotating assembly arranged outside the housing assembly and a driving rod arranged in the housing assembly, the tail end rotating assembly is connected with one end of the driving rod in a matching manner for fixing or loosening the driving rod, and the trigger is fixedly connected with the driving rod for pushing the driving rod to displace forwards; the driving rod is connected with the driven rod assembly in a matched mode.

4. The split surgical stapler of claim 3, wherein the main body control part further comprises a split fixing assembly, one side of the split fixing assembly is arranged inside one end of the outer casing assembly close to the split main body in the main body control part, and the split main body is movably connected with the outer casing assembly through the split fixing assembly.

5. The split surgical stapler of claim 4, wherein the split fixing assembly comprises a split fixing member body, a split moving member body and a first elastic member, the first elastic member and the split moving member body are sequentially sleeved on the split fixing member body from inside to outside, and one end of the first elastic member is fixedly connected with the split fixing member body.

6. The split surgical stapler of claim 5, wherein a protrusion is disposed on an inner wall of the main body of the sub-fixing member, and a locking groove is disposed on an outer wall of the main body of the sub-fixing member, and the protrusion is connected with the locking groove.

7. The split-type surgical stapler of claim 6, wherein the driven rod assembly comprises a first driven rod, a first bending member, a first connecting rod, and a suturing needle, the driven rod and the connecting rod are respectively disposed at two ends of the bending member and fixedly connected to the first bending member, the suturing needle is connected to one end of the first connecting rod away from the first bending member, and the driving rod in the main body control portion is connected to one end of the first driven rod away from the first bending member in a matching manner.

8. The split-type surgical stapler according to claim 7, wherein the suture end part comprises a first suture end body with a hollow structure and a string end fixing member, one end of the first suture end body is curved, a first through groove for fixing the suture needle and suturing the damaged tissue is arranged at one end of the first suture end body, and a through hole for fixing the fixing member is arranged on a side wall of the first through groove; the bent end of the first sewing end body is fixedly connected with the split main body.

9. The split-type surgical stapler of claim 6, wherein the driven rod assembly comprises a second driven rod, a second bending member, a second connecting rod and a suture needle assembly, the second driven rod and the second connecting rod are respectively arranged at two ends of the second bending member and fixedly connected with the second bending member, the suture needle assembly is connected with one end of the second connecting rod far away from the second bending member, and the main body control part is connected with one end of the second driven rod far away from the second bending member in a matching manner.

10. The integrated surgical stapler of claim 9, wherein the suturing needle assembly comprises a push rod needle and a push rod cap, the push rod cap is sleeved on the end of the push rod needle, and the bottom of the push rod needle is connected with the second connecting rod.

11. The integrated surgical stapler according to claim 10, wherein the suture end portion comprises a second suture end body having a hollow structure, one end of the second suture end body is curved, a second through groove for fixing the push rod needle is formed at one end of the second suture end body, and used for suturing the damaged tissue, a fixing groove for fixing the push rod cap is formed on a groove wall of the second through groove, and the curved end of the second suture end body is fixedly connected to the main body of the split member.

12. The integrated surgical stapler of any one of claims 7-11, wherein the bottom of each of the first and second suture tip bodies is provided with a slit for positioning a suture.

13. The integrated surgical stapler of claim 12, wherein the first suture end body and the second suture end body are bent at an angle of 10 to 20 degrees with respect to the longitudinal direction of the split body.

14. The integrated surgical stapler of claim 13, wherein the suture fixing portion comprises a wire coil assembly, a wire coil positioning cylinder sleeved on the body of the body, a fixing fastener fixed on the wire coil positioning cylinder, and a connecting member, the wire coil assembly passing through the fixing fastener and being connected with the fixing fastener through the connecting member.

15. The integrated surgical stapler of claim 14, wherein the wire coil assembly comprises an upper disk body and a lower disk body, the upper disk body is fixedly connected with the lower disk body, the connecting piece is arranged in the upper disk body, and the upper disk body is connected with the fixing fastener through the connecting piece; the lower tray body is provided with a boss which is provided with a wire head embedded groove and is used for winding a suture wire.

16. The split surgical stapler of claim 15, wherein the main body control portion further comprises a third elastic member disposed in the housing member, the third elastic member is sleeved on the driving rod for returning the driving rod, and the driven rod assembly further comprises two second elastic members sleeved on the first driven rod and the second driven rod for returning the first driven rod and the second driven rod, respectively.

17. The split surgical stapler of claim 16, wherein a stop member for generating an elastic force by the second elastic member is disposed on a side wall of an end of the first driven rod away from the first bending member and a side wall of an end of the second driven rod away from the second bending member.

18. The split surgical stapler of claim 17, wherein the tail rotating assembly comprises a tail rotating member and a rotating fixing member, the tail rotating member is sleeved on the rotating fixing member, and one end of the driving rod is connected with the rotating fixing member in a matching manner.