CN111700668B - Transverse intracavity stitching instrument with compact structure - Google Patents
Transverse intracavity stitching instrument with compact structure Download PDFInfo
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- CN111700668B CN111700668B CN202010559773.9A CN202010559773A CN111700668B CN 111700668 B CN111700668 B CN 111700668B CN 202010559773 A CN202010559773 A CN 202010559773A CN 111700668 B CN111700668 B CN 111700668B
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- cartridge
- anvil
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
Abstract
The application provides a transverse intracavity stitching instrument with a compact structure, which comprises an end effector, a connecting outer tube and a driving assembly, wherein the driving assembly is at least partially arranged in the connecting outer tube; the nail storehouse casing sets up and holds the intracavity at the nail storehouse of drive casing, and the nail storehouse holds the chamber and is equipped with the opening and supplies the nail storehouse casing to install along the axial of connecting the outer tube center pin, and the nail storehouse is located to pilot pin one end and holds the intracavity, and the nail storehouse is equipped with the location pinhole that supplies the pilot pin to pass, and the pilot pin other end is connected with pilot pin actuating mechanism. The structure installation mode of the original transverse suturing device is improved, the assembly is more compact, the radial size of the transverse suturing device is effectively reduced, the transverse suturing device can enter an endoscopic surgery channel with a small inner diameter, and the transverse suturing device can be suitable for intracavity surgery.
Description
Technical Field
The invention relates to a medical instrument, in particular to a transverse intracavity stitching instrument with a compact structure.
Background
The transverse cutting anastomat/stitching instrument is mainly used for the creation of an anastomosis opening and the closure of a stump or an incision in the operations of reconstructing a digestive tract and excising organs, wherein the operation field is difficult to expose. In the prior art, a positioning needle is arranged on a nail bin, the longitudinal installation perpendicular to the central shaft of the anastomat is verified along the nail bin during the installation, a transmission mechanism is additionally arranged at the installation position of the nail bin and is used for being connected and matched with the positioning needle on the nail bin, so that a driving mechanism can drive the positioning needle, as disclosed in application No. 201510357816.4, the surgical cutting and suturing device capable of suturing firstly and then cutting comprises a locking handle rotationally connected with a handle assembly, a connecting rod rotationally connected with the locking handle at the rear end part, a fourth sliding chute formed on a central rod, a fourth rotating shaft slidably arranged in the fourth sliding chute, an assembly frame rotationally connected with the front end part of the connecting rod through the fourth rotating shaft and capable of driving the central rod to slide forwards along with the rotation of the locking handle, and the front end part of the assembly frame is respectively connected with a shell of the nail bin assembly and the positioning needle, when the locking handle is located at the positioning position, the driving mechanism and the nail bin assembly integrally slide forwards, the assembly frame pushes the positioning needle to slide forwards so as to push the positioning needle out of the shell, and the positioning needle is positioned aiming at tissues. Compared with a transverse cutting anastomat, the transverse stapler has one less cutter, drives the suturing nail to enable the suturing nail to be approximately same as the process of suturing human tissues, and is mainly used for surgical operations which do not need cutting but need suturing.
The transverse cutting anastomat/stitching instrument is commonly used in open type operation, the open type operation has better visual field, but has the defects of large wound, slow recovery and the like. The traditional method of the endoscopic surgery is to make three small incisions in the body of a patient, insert a pipeline-shaped working channel respectively, and carry out all the following operations through the three pipelines; the same steps as the open surgery are completed by a special lengthened surgical instrument under the television monitoring, the same surgical effect is achieved, and the open surgery has greater advantages compared with the open surgery.
Therefore, it is desirable to provide a stapler with a compact structural design of the staple cartridge to solve the above technical problems.
Disclosure of Invention
The technical scheme of the invention is realized as follows:
the application provides a transverse intracavity stitching instrument with a compact structure, which comprises an end effector, a connecting outer tube and a driving assembly, wherein the driving assembly is at least partially arranged in the connecting outer tube, and the end effector comprises a nail bin shell and a positioning needle;
the driving assembly comprises a driving shell for driving the nail bin shell; the nail bin shell is arranged in a nail bin containing cavity of the driving shell, an opening is formed in the nail bin containing cavity and used for the nail bin shell to be installed along the axial direction of a central shaft of the connecting outer tube, one end of the positioning needle is arranged in the nail bin containing cavity, the nail bin is provided with a positioning needle hole for the positioning needle to penetrate through, and the other end of the positioning needle is connected with a positioning needle driving mechanism.
Further, the drive assembly further comprises a drive push rod, the near end of the drive shell is connected with a hollow drive connecting rod, and the drive push rod sequentially penetrates through the inner cavity of the hollow drive connecting rod and the inner cavity of the drive shell.
Further, the driving shell further comprises a driving cavity communicated with the nail bin accommodating cavity, the driving push rod comprises a driving end part and a driving connecting part, the driving end part is arranged in the driving cavity in a sliding mode, and the driving end part penetrates through the driving cavity and then enters the nail bin accommodating cavity to contact and push a nail pushing block arranged in the nail bin shell.
Further, an empty nail bin protecting piece is arranged on the driving shell, a locking end of the empty nail bin protecting piece is in biased abutting joint with one side of the nail pushing block before the sewing nails are pushed, and when the driving push rod drives the nail pushing block to push the sewing nails upwards and the driving push rod is reset, the locking end is inserted into a gap between the driving push rod and the nail pushing block through the action of biasing force.
Further, the empty cartridge protector further comprises a resilient biasing member, a pivot portion, and a fixed attachment portion; the empty nail bin protecting piece and the driving shell rotate relatively through the pivot part, and the locking end is connected with the pivot part through a fixed connecting part;
one end of the elastic biasing member is deformably abutted against the driving housing, and the other end is fixed relative to the locking end, thereby providing a biasing force to the locking end to abut against one side of the staple pushing block.
Further, the nail bin shell is provided with an open slot, and the locking end of the empty nail bin protecting piece penetrates through the open slot and then is in biased abutting joint with one side of the nail pushing block.
Further, the end effector further comprises an anvil, wherein the bottom surface of the anvil is perpendicular to the central axis of the connecting outer tube and corresponds to the opening of the cartridge accommodating cavity.
Further, the nail bin shell comprises a nail outlet part and a mounting part, and the mounting part is matched with the nail bin accommodating cavity; the width of the nail outlet part is larger than the opening width of the nail bin accommodating cavity.
Further, be equipped with the joint arch on the installation department, the nail storehouse holds the intracavity and is equipped with the protruding assorted joint recess of joint.
Further, the end effector also comprises an anvil connecting piece which is connected with one end of the anvil and is vertical to the anvil, and the other end of the anvil connecting piece is fixedly connected with the connecting outer tube.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
(1) the structure installation mode of the original transverse stitching instrument is improved, the assembly is more compact, the radial size of the transverse stitching instrument is effectively reduced, and the transverse stitching instrument can enter a channel with a small inner diameter, so that the transverse stitching instrument can be used for intracavity surgery;
(2) change the mode of original horizontal stitching instrument pilot pin preinstalled in the nail storehouse, directly with the pilot pin preinstalled on drive mechanism to realize the assembly with the pilot pin through the mounting means that changes the nail storehouse, compare in prior art, the pilot pin in this application is more stable safe, and the assembly is simple, need not carry out drive mechanism's counterpoint.
Drawings
FIG. 1 is a top view of the overall appearance of an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the positioning pin after positioning is completed according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of the first splice housing and the magazine housing in the driving housing according to the embodiment of the present invention
FIG. 4 is a schematic view of the anvil attachment and drive housing configuration of an embodiment of the present invention;
FIG. 5 is a partial cross-sectional view of an embodiment of the present invention from above;
FIG. 6 is a schematic cross-sectional view of an embodiment of the present invention from above;
FIG. 7 is a schematic structural view of the connection of the drive housing and the hollow drive link according to the embodiment of the present application;
FIG. 8 is a schematic structural view of a second splice housing of the embodiment of the present application;
FIG. 9 is a schematic structural view of a first splice housing of an embodiment of the present invention;
FIG. 10 is a schematic structural view of a second splice housing of the present embodiment in connection with a hollow drive link;
FIG. 11 is a schematic view of the structure of the anvil block connector, the drive housing and the external circular tube in accordance with the exemplary embodiment of the present invention;
FIG. 12 is a schematic view of the anvil attachment and drive housing configuration of an embodiment of the present invention;
FIG. 13 is a schematic structural view of a hollow driving link with a driving push rod installed therein according to an embodiment of the present application;
FIG. 14 is a schematic structural diagram of a driving rod according to an embodiment of the present application;
FIG. 15 is a schematic structural view of a cartridge housing according to an embodiment of the present invention;
FIG. 16 is a schematic structural view of a cartridge housing according to an embodiment of the present invention;
FIG. 17 is a schematic structural view of an empty magazine protector according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
As shown in fig. 1-17, the present embodiment provides a compact-structure transverse intraluminal stapler, which includes an end effector 1, a driving assembly 2, a connecting outer tube 3 and a handle mechanism 4, wherein the driving assembly 2 is used for driving the end effector 1 to perform suturing, the driving assembly 2 is at least partially disposed in the connecting outer tube 3, the end effector is disposed at one end of the connecting outer tube 4, the handle mechanism 4 is disposed at the other end of the end effector, and the handle mechanism 4 is drivingly connected with the driving assembly 2, specifically referring to the connection manner of the stapler driving structure in the prior art, the driving assembly 2 can be controlled to actuate a plurality of motions by controlling the handle mechanism 4 by an operator, so as to control the end effector 1 to perform a final suturing operation.
The drive assembly 2 comprises a drive housing 21; the cartridge housing 11 is disposed in the cartridge accommodating cavity 211 of the driving housing 21 and is disposed corresponding to the lower surface of the anvil 14, and the driving housing 21 is configured to drive the cartridge housing 11 to move toward the anvil 14; thereby performing pre-suture clamping on the tissue; the cartridge housing 11 comprises a staple discharging part 113 and a mounting part 112;
the end effector 1 comprises a nail box shell 11, a pair of stitching nails 12, a nail pushing block 13 and an anvil block 14, wherein the upper surface of the nail box shell 11 is provided with nail outlet holes 15 for pushing out the stitching nails 12; the staple pusher 13 is used for pushing the staples 12 to move upwards, so that the staples 12 are pushed out from the staple ejecting holes 15 and are bent after encountering the anvil 14, so as to suture the human body. While this embodiment is a stapler without a cutter, in other embodiments it may be provided with a cutter that moves upward with the staple pusher 13 to cut tissue while simultaneously completing the stapling.
In the present embodiment, in particular, the end effector 1 further includes a positioning needle 16; one end of the positioning needle 16 is arranged in the nail bin accommodating cavity 211, the nail bin 11 is provided with a positioning needle hole for the positioning needle 16 to pass through, the nail bin accommodating cavity 211 is provided with an opening for the nail bin shell 11 to be axially installed along the central shaft of the connecting outer tube 3, and the positioning needle 16 passes through the driving cavity 212 and the shell of the hollow driving connecting rod 24 and then is connected with the positioning needle driving mechanism. Therefore, the locating needle and the corresponding transmission mechanism do not need to be arranged in the nail bin in advance like the prior art, the original mode that the locating needle of the transverse stitching instrument is arranged in the nail bin in advance is changed, the locating needle is directly arranged on the transmission mechanism in advance, and the assembly with the locating needle is realized by changing the installation mode of the nail bin; the structure installation mode of the original transverse suturing device is improved, the assembly is more compact, the radial size of the transverse suturing device is effectively reduced, the transverse suturing device can enter an endoscopic surgery channel with a small inner diameter, and the transverse suturing device can be suitable for intracavity surgery.
Further, the driving assembly further comprises a driving push rod 22, a hollow driving connecting rod 24 is connected to the proximal end of the driving shell 21, and the driving push rod 22 sequentially penetrates through the inner cavity of the hollow driving connecting rod 24 and the inner cavity of the driving shell 21. The hollow drive link 24 is used to push and pull the drive housing 21 to effect forward and backward movement of the drive housing 21, thereby controlling forward and backward movement of the cartridge housing 11. Specifically, the driving housing bayonet 219 and the hollow driving link bayonet 243 are fixedly connected after being snap-fitted; in the present embodiment, specifically, the drive housing 21 includes a drive cavity 212 communicating with the cartridge accommodating cavity 211; the end effector 1 further comprises staples 12 and a staple pusher 13, and the drive assembly 2 further comprises a drive pusher 22; the driving push rod 22 comprises a driving end part 223 and a driving connecting part 224, the driving end part 223 is arranged in the driving cavity 212 in a sliding mode, the driving end part 223 penetrates through the driving cavity 212 and enters the nail box accommodating cavity 211 to push the nail pushing block 13 in a contact mode
Further, the driving assembly 2 further comprises an empty cartridge protector 23, before the staples are pushed, the locking end 231 of the empty cartridge protector 23 is in biased abutment against one side of the staple pushing block 13, when the driving push rod 22 drives the staple pushing block 13 to push the staples 12 upwards and after the driving push rod 22 is reset, the locking end 231 is inserted into the gap between the driving push rod 22 and the staple pushing block 13 through the biasing force;
the empty cartridge protector 23 further includes a resilient biasing member 232, a pivot portion 233, and a fixed attachment portion 234; the empty magazine protector 23 rotates relative to the drive housing 21 via the pivot portion 233, and the locking end 231 is connected to the pivot portion 233 via the fixed connecting portion 234;
one end of the elastic biasing member 232 is deformably abutted against the drive housing 21 and the other end is fixed relative to the locking end 231, thereby providing the locking end 231 with a biasing force abutting against one side of the staple pusher 13. The magazine housing 11 is provided with an opening groove 111, and the locking end 231 of the empty magazine protector 23 is biased to abut against one side of the staple pushing block 13 after passing through the opening groove 111. The arrangement prevents the driving push rod 22 from secondary triggering the nail bin upwards again when the nail bin is empty, and a protection effect is achieved. Specifically, the opening groove 111 is disposed on a side of the cartridge housing 11 having a relatively large width, which is parallel to the longitudinal direction of the anvil 14, and the empty cartridge protector 23 has a larger accommodating space through the engagement of the opening groove 111 on the side with the empty cartridge protector 23, which has a better compacting effect than the prior art in which the empty cartridge protector is disposed on a side corresponding to the narrow width of the cartridge.
The bottom surface of the anvil 14 of the end effector 1 is perpendicular to the central axis of the connecting outer tube 3 and corresponds to the opening of the cartridge accommodating chamber 211. The end effector 1 further comprises an anvil link 17, the anvil link 17 being connected to one end of the anvil 14 and disposed perpendicular to the anvil 14; the other end of the anvil block connecting piece 17 is fixedly connected with the connecting outer tube 3; the anvil block of the traditional transverse stapler or transverse anastomat is spliced and combined through a plurality of stamping sheets, a driving mechanism is not provided with a connecting outer pipe, and is directly connected with a handle mechanism, in the embodiment, the connecting outer pipe 4 is adopted to integrate the driving assembly 2, the structure is more compact, the matching is tighter and is not easy to break, and the anvil block 14 is directly connected with a pipe through an anvil block connecting piece 17, so that the structure is firmer. In this embodiment, the anvil 14 and the anvil attachment 17 are connected by welding, and in other embodiments, the anvil 14 and the anvil attachment 17 may be integrally formed, both of which provide a strong support for the anvil. Compared with a structure formed by splicing plate-shaped parts in a transverse cutting mode in the prior art, the structure is more stable, the strength is higher, the anvil block is not easy to break in the operation process, and the anvil block can still keep high strength after the size is reduced so as to ensure the operation safety.
In order to enable the driving housing 21 and the connecting outer tube 3 to be slidably fitted and limited at corresponding positions, the maximum outer diameter of the first outer housing 213 of the cartridge accommodating cavity 211 is larger than the inner diameter of the connecting outer tube 3 and smaller than or equal to the outer diameter of the connecting outer tube 3, and the maximum outer diameter of the second outer housing 214 of the driving cavity 212 is smaller than or equal to the inner diameter of the connecting outer tube 3; to facilitate sliding, the second outer housing 214 is provided with a second guide groove 216 matching the inside of the anvil connection member 17. Further, the anvil connector 17 is provided with a connector guide rail 171 on the outside, and the first outside housing 213 is provided with a first guide groove 215 matching with the connector guide rail 171, which makes the fitting of the anvil connector 17, the driving housing 21 and the connecting outer tube 3 more compact, and facilitates relative sliding along the guide rail to achieve stable driving, and the mechanism is more compact. When the anvil coupler 17 is coupled in the form of welding in this embodiment, the inner side of the coupling outer tube 3 is provided with a coupling groove 31, and the outer side of the other end of the anvil coupler 17 is fixedly coupled to the coupling groove 31.
In the present embodiment, specifically, the drive housing 21 includes a drive cavity 212 communicating with the cartridge accommodating cavity 211; the end effector 1 further comprises staples 12 and a staple pusher 13, and the drive assembly 2 further comprises a drive pusher 22; the drive ram 22 includes a drive end 223 and a drive coupling 224, the drive end 223 being slidably disposed within the drive cavity 212, the drive end 223 passing through the drive cavity 212 and into the cartridge receiving cavity 211 to contact and push the staple pusher block 13.
Further, in the present embodiment, the driving end 223 includes relatively parallel side planes, a distance between the two side planes is the same as a width of the driving cavity 212 and is smaller than an outer diameter of the driving connection portion 224, and the width of the driving end 223 is set to match with the driving cavity 212, so that the driving end 223 does not shake during the driving process, and the whole driving process is more stable; the drive end 223 is smaller in size than the drive connection 224, both of which are shown as forming a stepped surface, which may be configured to have a maximum outer diameter that is less than the minimum inner diameter of the hollow drive link snap 243, such that both of them form a stop. Further, in order to ensure the sealing performance of the suturing device in the endoscopic surgery, a first sealing ring 221 is arranged between the driving push rod 22 and the hollow driving connecting rod 24; a second sealing ring 241 is arranged between the hollow driving connecting rod 24 and the connecting outer pipe 3. A first sealing ring mounting groove 222 matched with the first sealing ring 221 is formed in the driving push rod 22, a second sealing ring mounting groove 242 matched with the second sealing ring 241 is formed in the hollow driving connecting rod 24, the driving push rod 22 on two sides of the first sealing ring mounting groove 222 is cylindrical in shape, and the outer diameter of the driving push rod 22 is matched with the inner diameter of the corresponding part of the hollow driving connecting rod 24; the hollow driving links 24 at both sides of the second sealing ring mounting groove 242 are cylindrical in shape and have an outer diameter matched with an inner diameter of a corresponding portion of the connecting outer tube 3.
In the above embodiment, as a further improvement, the driving housing 21 may be divided into two parts, specifically, a first splicing housing 217 and a second splicing housing 218, which are spliced together by rivets or other clamping methods. Specifically, in this embodiment, the drive housing bayonet 219 is disposed on the second splice housing 218, and the first splice housing 217 is provided with a second guide slot 216 that mates with the anvil connector. Clamping grooves are further formed in the first splicing shell 217 and/or the second splicing shell 218 and are used for being matched with clamping protrusions arranged on the mounting portion 112.
According to the embodiments, the beneficial effects of the present application are mainly as follows: ,
(1) the structure installation mode of the original transverse stitching instrument is improved, the assembly is more compact, the radial size of the transverse stitching instrument is effectively reduced, and the transverse stitching instrument can enter a channel with a small inner diameter, so that the transverse stitching instrument can be used for intracavity surgery;
(2) change the mode of original horizontal stitching instrument pilot pin preinstalled in the nail storehouse, directly with the pilot pin preinstalled on drive mechanism to realize the assembly with the pilot pin through the mounting means that changes the nail storehouse, compare in prior art, the pilot pin in this application is more stable safe, and the assembly is simple, need not carry out drive mechanism's counterpoint.
It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements 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.
As described above, the present invention has been explained fully in accordance with the gist of the present invention, but the present invention is not limited to the above-described embodiments and implementation methods, and features of the embodiments may be combined with each other without contradiction. A practitioner of the related art can make various changes and implementations within a range allowed by the technical idea of the present invention.
Claims (9)
1. A transverse endoluminal stapler with a compact structure, characterized by comprising an end effector (1), an outer connecting tube (3) and a driving assembly (2) disposed at least partially inside the outer connecting tube (3), said end effector (1) comprising a cartridge housing (11) and a positioning needle (16);
the drive assembly (2) comprises a drive housing (21) for driving the cartridge housing (11); the nail bin shell (11) is arranged in a nail bin accommodating cavity (211) of the driving shell (21), the nail bin accommodating cavity (211) is provided with an opening for the nail bin shell (11) to be axially installed along a central shaft of the connecting outer tube (3), the driving assembly further comprises a driving push rod (22), the near end of the driving shell (21) is connected with a hollow driving connecting rod (24), and the driving push rod (22) sequentially penetrates through an inner cavity of the hollow driving connecting rod (24) and an inner cavity of the driving shell (21); a second sealing ring (241) is arranged between the hollow driving connecting rod (24) and the connecting outer pipe (3); the positioning needle (16) penetrates through the second sealing ring (241) and the driving shell (21), one end of the positioning needle is arranged in the nail bin accommodating cavity (211), the nail bin (11) is provided with a positioning needle hole for the positioning needle (16) to penetrate through, and the other end of the positioning needle (16) is connected with the positioning needle driving mechanism.
2. The compact configuration of the transverse endoluminal stapler according to claim 1, wherein said driving housing (21) further comprises a driving chamber (212) communicating with said cartridge receiving chamber (211), said driving pusher (22) comprises a driving end portion (223) and a driving connecting portion (224), said driving end portion (223) is slidably disposed in said driving chamber (212), said driving end portion (223) passes through said driving chamber (212) and enters said cartridge receiving chamber (211) to contact and push said pusher block (13) disposed in said cartridge housing (21).
3. The transverse intracavity stapler with a compact structure as claimed in claim 2, wherein a hollow cartridge protector (23) is provided on the driving housing (21), a locking end (231) of the hollow cartridge protector (23) is biased to abut against one side of the staple pushing block (13) before the staples are pushed, and the locking end (231) is inserted into a gap between the driving push rod (22) and the staple pushing block (13) by a biasing force when the driving push rod (22) drives the staple pushing block (13) to push the staples (12) upward and after the driving push rod (22) is reset.
4. The transverse endoluminal stapler with a compact structure according to claim 3, wherein the empty cartridge protector (23) further comprises an elastic biasing member (232), a pivoting portion (233) and a fixed attachment portion (234); the empty magazine protector (23) is rotated relative to the drive housing (21) by the pivot portion (233), and the locking end (231) is connected to the pivot portion (233) by a fixed connecting portion (234);
one end of the elastic biasing member (232) is deformably abutted against the driving housing (21), and the other end is fixed relative to the locking end (231), thereby providing the locking end (231) with a biasing force abutted against one side of the staple pusher (13).
5. A compact configuration of a transverse endoluminal stapler according to claim 4, wherein said cartridge housing (11) is provided with an open slot (111), and the locking end (231) of said hollow cartridge protector (23) is biasedly abutted against one side of said pusher block (13) after passing through said open slot (111).
6. A lateral endoluminal stapler according to claim 1, of compact conformation, wherein the end effector (1) further comprises an anvil (14), the bottom surface of the anvil (14) being perpendicular to the central axis of the connecting outer tube (3) and corresponding to the opening of the cartridge housing cavity (211).
7. The transverse intracavity stapler with a compact structure according to claim 1, wherein the cartridge housing (11) comprises a staple ejecting portion (113) and a mounting portion (112), the mounting portion (112) being matched with the cartridge accommodating chamber (211); the width of the nail-discharging part (113) is larger than the opening width of the nail box accommodating cavity (211).
8. The transverse intracavity stitching instrument with the compact structure as claimed in claim 7, wherein a clamping protrusion (115) is arranged on the mounting part (112), and a clamping groove matched with the clamping protrusion (115) is arranged in the nail bin accommodating cavity (211).
9. A transverse endoluminal stapler according to claim 6, of compact construction, wherein the end effector (1) further comprises an anvil link (17) attached to one end of the anvil (14) and perpendicular to the anvil (14), the other end of the anvil link (17) being fixedly attached to the connecting outer tube (3).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010559773.9A CN111700668B (en) | 2020-06-18 | 2020-06-18 | Transverse intracavity stitching instrument with compact structure |
| PCT/CN2020/114282 WO2021253649A1 (en) | 2020-06-18 | 2020-09-09 | Transverse intraluminal stapler having compact structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010559773.9A CN111700668B (en) | 2020-06-18 | 2020-06-18 | Transverse intracavity stitching instrument with compact structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111700668A CN111700668A (en) | 2020-09-25 |
| CN111700668B true CN111700668B (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010559773.9A Active CN111700668B (en) | 2020-06-18 | 2020-06-18 | Transverse intracavity stitching instrument with compact structure |
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| CN (1) | CN111700668B (en) |
| WO (1) | WO2021253649A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112515719B (en) * | 2020-10-19 | 2021-06-15 | 苏州贝诺医疗器械有限公司 | Transverse stitching instrument for intracavity surgery |
| CN112401955B (en) * | 2020-10-19 | 2021-06-15 | 苏州贝诺医疗器械有限公司 | Driving device for intracavity surgery stitching instrument and stitching instrument |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5706998A (en) * | 1995-07-17 | 1998-01-13 | United States Surgical Corporation | Surgical stapler with alignment pin locking mechanism |
| CA2583581C (en) * | 2004-09-30 | 2012-04-24 | Ethicon Endo-Surgery, Inc. | Surgical stapling instrument |
| US7886953B2 (en) * | 2005-08-18 | 2011-02-15 | Ethicon Endo-Surgery, Inc. | Fired device lockout for a curved cutter stapler with a free moving trigger |
| CN201108467Y (en) * | 2007-10-19 | 2008-09-03 | 周明喜 | Anastomat |
| CN201179084Y (en) * | 2008-02-25 | 2009-01-14 | 瑞奇外科器械(北京)有限公司 | Manual automatic positioning needle apparatus for surgery straight line anastomat |
| CN201542673U (en) * | 2009-10-27 | 2010-08-11 | 苏州天臣国际医疗科技有限公司 | Circular tube type binding instrument for minimally invasive surgery |
| CN102160811B (en) * | 2011-05-17 | 2012-05-30 | 苏州贝诺医疗器械有限公司 | Suturing instrument with empty nail chamber protection |
| CN202104971U (en) * | 2011-05-20 | 2012-01-11 | 苏州贝诺医疗器械有限公司 | Suture instrument for celioscope operation |
| CN102599954B (en) * | 2012-03-31 | 2014-03-05 | 常州市康迪医用吻合器有限公司 | Linear cutting anastomat with double security mechanisms |
| CN103690216B (en) * | 2014-01-07 | 2015-09-30 | 四川大学华西医院 | Abdominal and the dual-purpose line cutting stitching instrument of laparo-assisted |
| CN111588430B (en) * | 2020-06-18 | 2021-02-09 | 苏州贝诺医疗器械有限公司 | Transverse stitching instrument with sealing structure for endoscopic surgery |
| CN111588431B (en) * | 2020-06-18 | 2020-12-29 | 苏州贝诺医疗器械有限公司 | Intracavity transverse stitching instrument with stable structure |
-
2020
- 2020-06-18 CN CN202010559773.9A patent/CN111700668B/en active Active
- 2020-09-09 WO PCT/CN2020/114282 patent/WO2021253649A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN111700668A (en) | 2020-09-25 |
| WO2021253649A1 (en) | 2021-12-23 |
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