CN210095815U

CN210095815U - Nail bin assembly for disposable minimally invasive endoscopic cutting anastomat

Info

Publication number: CN210095815U
Application number: CN201920298773.0U
Authority: CN
Inventors: 张�成; 崔龙; 王昭强; 孙伟
Original assignee: Jiangsu Tepuyou Minimally Invasive Medical Technology Co Ltd
Current assignee: Jiangsu Tepuyou Minimally Invasive Medical Technology Co Ltd
Priority date: 2019-03-11
Filing date: 2019-03-11
Publication date: 2020-02-21
Anticipated expiration: 2029-03-11

Abstract

The utility model discloses a nail bin component for a disposable minimally invasive endoscopic cutting anastomat, which comprises a nail bin, a nail anvil, a component protection sheet, a component sleeve, an I-shaped knife and a steering connection component, when the minimally invasive endoscopic cutting anastomat enters a working state, the nail bin and the nail anvil rotate in a vertical direction by the end connected with each other, and the steering connection component is not only a connecting piece at one end of the nail bin and the nail anvil, but also a rotating piece of the nail bin and the nail anvil; the I-shaped knife is arranged in the steering connecting assembly, the assembly sleeve is connected with the steering connecting assembly, and the nail anvil, the steering connecting assembly and the assembly sleeve are connected and fastened by the assembly protecting sheet. The utility model is disposable, and aims to avoid cross infection caused by the secondary use of the surgical knife blade; the medical anastomat is prevented from being easily deformed or separated from each other in the stacking direction of the multiple sheets by arranging the positioning hole, the positioning protrusion and the inclined wedge, so that the medical anastomat is prevented from being not fired in place.

Description

Nail bin assembly for disposable minimally invasive endoscopic cutting anastomat

Technical Field

The utility model belongs to the field of medical equipment and relates to an endoscopic surgery cutting anastomat that uses in thoracoscope surgery, concretely relates to disposable wicresoft is staple cartridge subassembly for endoscopic surgery cutting anastomat.

Background

At present, in endoscopic surgery, an endoscopic surgery cutting anastomat is generally used for cutting and anastomosis operations of esophagus, stomach, duodenum, small intestine, colon, rectum, appendix, gallbladder, pancreas, spleen and the like in the digestive tract, is also used for cutting and anastomosis operations of lung, trachea and the like in the respiratory tract, is also used for cutting and anastomosis operations of bladder, uterus and the like in the urogenital system, and can reduce operation time and improve operation quality. Due to the development of modern science and technology and the improvement of manufacturing technology, the medical anastomat used clinically at present has the advantages of reliable quality, convenient use, tightness, proper tightness, quick suture, simple and convenient operation, few side effects and operation complications and the like, and sometimes the tumor operation which cannot be resected in the past can be resected by focus, so that the anastomat is favored and advocated by clinical surgeons at home and abroad. This difference in instrument performance plays a crucial role in the overall surgical outcome.

The nail bin and the nail anvil of the medical anastomat are connected to form a clamp jaw structure, and in an operation, a clamp jaw of a clamp jaw formed by the nail bin and the nail anvil can be opened to clamp physiological tissues, and then the clamp jaw is closed to perform suturing and cutting. When gripping thick tissue, the resistance to the closing of the jaws is high, which can result in the cutter being prone to breakage.

At present, a push rod of a medical anastomat can be composed of a plurality of thin sheets, the thickness of each thin sheet is about 0.25mm, and the thin sheets are thin and elastic, so that the push rod composed of the thin sheets can be bent and deformed under the action of external force. In practical application, during the percussion process of the medical anastomat and when the push broach rod is bent, the plurality of thin sheets are subjected to great external force, so that the plurality of thin sheets are easy to deform or separate from each other in the stacking direction of the plurality of thin sheets, and the medical anastomat is not struck in place. The same operation should avoid the used surgical knife blade from being used for the second time, and ensure that the surgical knife blade used in the operation is the latest and sharpest, thereby preventing cross infection in the operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned weak point provide a disposable chamber storehouse subassembly for laparoscopic cutting anastomat of wicresoft, avoid the cross infection who is leaded to by the secondary operation because of the scalpel blade. A nail bin assembly for a disposable minimally invasive endoscopic cutting anastomat is realized by adopting the following technical scheme.

A nail bin assembly for a disposable minimally invasive endoscopic cutting anastomat comprises a nail bin, a nail anvil, an assembly protection plate, an assembly sleeve, an I-shaped knife and a steering connection assembly, wherein when the minimally invasive endoscopic cutting anastomat is in an initial or closed state, the nail bin and the nail anvil are in a mutually parallel fit state, when the minimally invasive endoscopic cutting anastomat enters a working state, the connected end of the nail bin and the nail anvil can rotate in the vertical direction, and the steering connection assembly is a connecting piece at one end of the nail bin and one end of the nail anvil and is also a rotating piece of the nail bin and the nail anvil; the I-shaped knife is arranged in the steering connecting assembly, the assembly sleeve is connected with the steering connecting assembly, and the assembly protective sheet is used for connecting and fastening the nail anvil, the steering connecting assembly and the assembly sleeve.

Preferably, the nail bin comprises a nail bin bracket, a high-nail bin, a push piece and a wedge, wherein the nail bin bracket is connected with the high-nail bin in a clamping manner, the wedge is arranged at one end, connected with the steering connecting assembly, of the high-nail bin, and the push piece is propped against the wedge.

Preferably, the nail-cutting device further comprises a first feeding groove, a second feeding groove and a third feeding groove, wherein the first feeding groove is located on the nail anvil, the second feeding groove is located on the high nail bin, the third feeding groove is located on the nail bin support, and meanwhile, the first feeding groove, the second feeding groove and the third feeding groove are in one-to-one correspondence in the vertical direction.

Preferably, the nail magazine further comprises a nail groove and a nail pushing groove, the nail pushing groove is provided with the pushing piece, the nail groove is located on the other side of the contact surface of the high nail magazine and the nail magazine support, namely the nail groove and the nail pushing groove are respectively located on two sides of the second knife trough and are respectively distributed and arranged in three rows.

Preferably, the nail anvil further comprises a nail abutting seat, a nail abutting seat support and an anastomotic nail forming groove, the nail anvil is composed of the nail abutting seat, the nail abutting seat support and the anastomotic nail forming groove, the nail abutting seat support is disconnected with the bottom end of the nail abutting seat, the nail abutting seat support is connected with the component protection sheet, and the anastomotic nail forming grooves are distributed and arranged in three rows on two sides of the first chute.

Preferably, the nail bin comprises a nail bin support, wherein a plurality of positioning holes communicated with the upper surface and the lower surface of the nail bin support are formed in the two sides of the nail bin support, the positioning holes in the two sides of the nail bin support are linearly arranged along the length direction of the nail bin support, positioning protrusions are arranged on the two sides of the high nail bin, the positions of the positioning protrusions correspond to the positioning holes in the nail bin support one by one, and the positioning holes are clamped with the corresponding positioning protrusions.

Preferably, three positioning holes are formed in two sides of the nail bin support, and three positioning protrusions are arranged on two sides of the high nail bin.

The better still includes to turn to the connection piece, turn to the joint upper and lower, push-type broach pole of turning to the joint, push-type broach pole with the I-shaped sword butt, turn to the joint upper end with the I-shaped sword is connected, turn to under the joint with turn to the joint upper end size correspond, both joints simultaneously push-type broach pole upper and lower both sides, it has two blocks respectively to turn to the connection piece under with turn to the joint upper and lower lateral surface.

The utility model discloses beneficial effect as follows:

the utility model is a disposable product, aiming at avoiding cross infection caused by the secondary use of the surgical knife blade; the positioning holes, the positioning protrusions and the inclined wedges are arranged to prevent the plurality of sheets from being subjected to great external force during the percussion process of the medical anastomat and the bending of the push broach rod, so that the plurality of sheets are easy to deform or separate from each other in the stacking direction of the plurality of sheets, and the medical anastomat cannot be struck in place.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a side view of the present invention

FIG. 2 is a schematic view of the structure of the present invention

FIG. 3 is a detailed view of the high nail bin of the present invention

FIG. 4 is the structure diagram of the steering connection assembly

In the figure: 1. a staple cartridge; 1-1, a nail bin bracket; 1-2, a high nail bin; 1-3, a push sheet; 1-4, a wedge; 2. a nail anvil; 2-1, a nail abutting seat; 2-2, supporting the nail pushing seat; 3. an assembly protective sheet; 4. an assembly sleeve; 5. an I-shaped cutter; 6. a steering linkage assembly; 6-1, a steering connecting sheet; 6-2, on the steering joint; 6-3, below a steering joint; 7. pushing the cutter rod; 8. positioning the projection; 9. positioning holes; 10-1, a first runner; 10-2, a second trough; 10-3, a third trough; 11. a nail groove; 12. a nail pushing groove; 13. and the staple forming groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

As shown in fig. 1 to 4, a nail bin assembly for a disposable minimally invasive endoscopic cutting stapler comprises a nail bin 1, a nail anvil 2, an assembly protection plate 3, an assembly sleeve 4, an i-shaped knife 5 and a steering connection assembly 6, wherein when the minimally invasive endoscopic cutting stapler is in an initial or closed state, the nail bin 1 and the nail anvil 2 are in a mutually parallel joint state, when the minimally invasive endoscopic cutting stapler enters a working state, one end of the nail bin 1 connected with the nail anvil 2 rotates in a vertical direction, and the steering connection assembly 6 is a connecting piece at one end of the nail bin 1 and one end of the nail anvil 2 and is also a rotating piece of the nail bin 1 and the nail anvil 2; the I-shaped knife 5 is arranged in the steering connecting component 6, the component sleeve 4 is connected with the steering connecting component 6, and the component protective sheet 3 is used for connecting and fastening the nail anvil 2, the steering connecting component 6 and the component sleeve 4.

The utility model discloses, still include nail storehouse support 1-1, high nail storehouse 1-2, ejector pad 1-3, slide wedge 1-4, nail storehouse support 1-1 with high nail storehouse 1-2 block is connected, the slide wedge 1-4 install high nail storehouse 1-2 with turn to the one end that coupling assembling 6 is connected, ejector pad 1-3 supports slide wedge 1-4. By controlling the rotating direction and the rotating angle of the steering connecting component 6, the area limited by the nail bin 1 and the nail anvil 2 can rotate relative to the component sleeve 4, so as to adapt to the multi-angle cutting anastomosis operation. The nail bin bracket 1-1 is detachably connected with the nail bin 1.

The utility model discloses, still include first trough 10-1, second trough 10-2, third trough 10-3, first trough 10-1 is located on nail anvil 2, second trough 10-2 is located on high nail storehouse 1-2, third trough 10-3 is located on the nail storehouse support 1-1, simultaneously first trough 10-1, second trough 10-2, third trough 10-3 is in vertical direction one-to-one. The push rod 7 can drive the i-shaped cutter 5 to move from the top end to the bottom end or from the bottom end to the top end of the first, second and third feed grooves 10-1, 10-2 and 10-3 (the top end of the first, second and third feed grooves 10-1, 10-2 and 10-3 is the end far away from the steering connection assembly 6). The first, second and third knife paths 10-1, 10-2 and 10-3 provide a moving path for the i-knife 5 and the pusher bar 7 and guide them simultaneously, and when the area defined by the anvil 2 and the magazine 1 is rotated by a certain angle relative to the turning connection assembly 6, the pusher bar 7 is also bent by a certain angle, so that the i-knife 5 can move smoothly towards the top end of the stapler.

In the present embodiment, the nail cartridge 1 and the nail anvil 2 are configured to be relatively rotatable, when the two are rotated to an open state, the operated target tissue can be placed between the two, and then, by relatively rotating the two to a closed state, the target tissue between the two can be clamped for the subsequent cutting and stapling operation.

The utility model discloses, still include nail groove 11, push away nail groove 12, push away and install on the nail groove 12 the ejector pad 1-3, nail groove 11 is located high nail storehouse 1-2 with the opposite side of nail storehouse support 1-1 contact surface, promptly nail groove 11 with push away nail groove 12 and be located respectively second trough 10-2 both sides to respectively distribute and arrange three rows.

The utility model discloses, still include to support nail seat 2-1, support nail seat support 2-2, anastomosis nail shaping groove 13, nail anvil 2 by nail seat 2-1 support nail seat support 2-2 with anastomosis nail shaping groove 13 constitutes, support nail seat support 2-2 with the connection is relieved to support nail seat 2-1 bottom, support nail seat support 2-2 with subassembly screening glass 3 is connected, anastomosis nail shaping groove 13 is in each distribution arrangement three rows in first trough 10-1 both sides.

The utility model discloses, still include a plurality of locating holes 9 that communicate its upper and lower surface are all opened to nail storehouse support 1-1 both sides, the locating hole 9 of each side along nail storehouse support 1-1 length direction linear arrangement, high nail storehouse 1-2 both sides all be provided with the position with the protruding 8 in location of locating hole 9 one-to-one on the nail storehouse support 1-1, each locating hole 9 is rather than the protruding 8 joints in location that correspond.

The utility model discloses, three locating hole 9 has all been opened to nail storehouse support 1-1 both sides, high nail storehouse 1-2 both sides all are provided with three location arch 8.

The utility model discloses, still include to turn to connection piece 6-1, turn to 6-2 on the joint, turn to 6-3, push-type broach pole 7 under the joint, push-type broach pole 7 with 5 butts of I-shaped sword, turn to 6-2 one end on the joint with I-shaped sword 5 is connected, turn to 6-3 under the joint with turn to 6-2 other end size on the joint and correspond, both joints simultaneously push-type broach pole 7 upper and lower both sides, turn to connection piece 6-1 have two block respectively turn to connect down 6-3 with turn to 6-2 lateral surfaces on the joint.

After each nail bin assembly finishes one-time percussion action, the nail bin assembly is scrapped and cannot finish secondary percussion, and only the nail bin assembly which is replaced newly can continue to perform the operation at the moment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a disposable wicresoft's chamber storehouse subassembly for laparoscopic cutting anastomat which characterized in that: the minimally invasive endoscopic cutting anastomat comprises a nail bin (1), a nail anvil (2), an assembly protection plate (3), an assembly sleeve (4), an I-shaped knife (5) and a steering connection assembly (6), wherein when the minimally invasive endoscopic cutting anastomat is in an initial or closed state, the nail bin (1) and the nail anvil (2) are in a mutually parallel fit state, when the minimally invasive endoscopic cutting anastomat enters a working state, one end of the nail bin (1) and one end of the nail anvil (2) which are connected with each other rotate in the vertical direction, and the steering connection assembly (6) is a connecting piece at one end of the nail bin (1) and one end of the nail anvil (2) and a rotating piece of the nail bin (1) and the nail anvil (2); i-shaped sword (5) are in turn to in coupling assembling (6), subassembly sleeve pipe (4) with turn to coupling assembling (6) and be connected, subassembly protection sheet (3) will nail anvil (2) turn to coupling assembling (6) subassembly sleeve pipe (4) are connected the fastening.

2. The staple cartridge assembly for the disposable minimally invasive endoscopic cutting stapler according to claim 1, wherein: the nail bin comprises a nail bin support (1-1), a high-nail bin (1-2), a push piece (1-3) and a wedge (1-4), wherein the nail bin support (1-1) is connected with the high-nail bin (1-2) in a clamping mode, the wedge (1-4) is installed at one end, connected with the steering connecting assembly (6), of the high-nail bin (1-2), and the push piece (1-3) abuts against the wedge (1-4).

3. The staple cartridge assembly for the disposable minimally invasive endoscopic cutting stapler according to claim 2, wherein: the nail magazine is characterized by further comprising a first cutter path (10-1), a second cutter path (10-2) and a third cutter path (10-3), wherein the first cutter path (10-1) is located on the nail anvil (2), the second cutter path (10-2) is located on the high nail magazine (1-2), the third cutter path (10-3) is located on the nail magazine bracket (1-1), and meanwhile the first cutter path (10-1), the second cutter path (10-2) and the third cutter path (10-3) correspond to one another in the vertical direction.

4. The staple cartridge assembly for the disposable minimally invasive endoscopic cutting stapler according to claim 3, wherein: the nail pushing device is characterized by further comprising a nail groove (11) and a nail pushing groove (12), wherein the push piece (1-3) is installed on the nail pushing groove (12), the nail groove (11) is located on the other side of the contact surface of the high nail bin (1-2) and the nail bin support (1-1), namely the nail groove (11) and the nail pushing groove (12) are respectively located on two sides of the second cutter walking groove (10-2) and are distributed and arranged in three rows.

5. The staple cartridge assembly for the disposable minimally invasive endoscopic cutting stapler according to claim 4, wherein: the nail anvil is characterized by further comprising a nail anvil seat (2-1), a nail anvil seat support (2-2) and an anastomotic nail forming groove (13), wherein the nail anvil (2) is composed of the nail anvil seat (2-1), the nail anvil seat support (2-2) and the anastomotic nail forming groove (13), the nail anvil seat support (2-2) is in contact connection with the bottom end of the nail anvil seat (2-1), the nail anvil seat support (2-2) is connected with the component protection sheet (3), and the anastomotic nail forming groove (13) is distributed and arranged in three rows on two sides of the first chute (10-1).

6. The staple cartridge assembly for the disposable minimally invasive endoscopic cutting stapler according to claim 5, wherein: the nail bin comprises a nail bin support (1-1) and is characterized by further comprising positioning protrusions (8) and positioning holes (9), wherein the positioning holes (9) communicated with the upper surface and the lower surface of the nail bin support (1-1) are formed in the two sides of the nail bin support (1-1), the positioning holes (9) on the two sides are linearly arranged along the length direction of the nail bin support (1-1), the positioning protrusions (8) are arranged on the two sides of the high nail bin (1-2) and correspond to the positioning holes (9) in the nail bin support (1-1) in a one-to-one mode, and the positioning holes (9) are clamped with the corresponding positioning protrusions.

7. The staple cartridge assembly for the disposable minimally invasive endoscopic cutting stapler according to claim 6, wherein: three positioning holes (9) are formed in the two sides of the nail bin support (1-1), and three positioning protrusions (8) are arranged on the two sides of the high nail bin (1-2).

8. The staple cartridge assembly for the disposable minimally invasive endoscopic cutting stapler according to claim 1, wherein: the steering joint is characterized by further comprising a steering connecting piece (6-1), a steering joint upper portion (6-2), a steering joint lower portion (6-3) and a push rod bar (7), wherein the push rod bar (7) is abutted to the I-shaped cutter (5), one end of the steering joint upper portion (6-2) is connected with the I-shaped cutter (5), the steering joint lower portion (6-3) corresponds to the steering joint upper portion (6-2) in other end size, the steering joint lower portion (6-3) and the steering joint upper portion (6-2) are clamped to the upper side and the lower side of the push rod bar (7), and the steering connecting piece (6-1) is provided with two outer side faces which are clamped under the steering joint (6-3) and on the steering joint (6-.