CN218419943U - Disposable endoscope linear cutting anastomat - Google Patents
Disposable endoscope linear cutting anastomat Download PDFInfo
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- CN218419943U CN218419943U CN202221849242.4U CN202221849242U CN218419943U CN 218419943 U CN218419943 U CN 218419943U CN 202221849242 U CN202221849242 U CN 202221849242U CN 218419943 U CN218419943 U CN 218419943U
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- nail
- box shell
- bin
- abutting seat
- nail box
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Abstract
The utility model relates to a disposable endoscope linear cutting anastomat, which comprises a nail bin, wherein the nail bin is used for storing anastomosis nails; the nail abutting seat is matched with the nail bin, and a thickening layer of the nail abutting seat is detachably arranged on the upper surface of the nail abutting seat; the nail bin is fixed on the nail box base, and the nail abutting seat and the nail box base are fixed through a rotating pin so that the nail abutting seat and the nail bin rotate relatively; a nail pusher is arranged between the nail bin and the nail box base, and an anti-skid elastic layer is arranged on the opposite surface of the nail bin and the nail pushing seat; the nail box base is connected with a lower nail box shell, the nail abutting seat is connected with an upper nail box shell, and a cutting knife assembly is arranged between the lower nail box shell and the upper nail box shell. The utility model can increase the friction force of the clamping tissue in the operation process, and reduce the tissue sliding and deviation in the cutting and anastomosis processes; the operation is more stable and accurate, and the accidental bleeding of tissues in the operation is reduced; can be suitable for different suture heights so as to meet the tissue suture requirements of different thicknesses.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to technical field of disposable chamber mirror linear cutting anastomat.
Background
The principle of the medical anastomat is that in the surgical operation, under the open or endoscope, tissues are cut, intersected and anastomosed, while in the endoscopic operation, only a plurality of small incisions are needed to be cut, and an instrument with a slender rod is extended into a body to cut and suture the pathological change tissues. The disposable tissue cutting and suturing instrument is disposable, does not need a power supply, only depends on mechanical force to carry out human tissue separation, and the pushing mechanism realizes the reciprocating linear motion of cutting and suturing. The anastomotic staple is nailed on the tissue needing to be sutured through the structure similar to a stapler, replaces the original suture operation, and has the advantages of short suture time, uniform suture, good healing effect and the like.
When the anastomotic nail is pushed out of the nail groove, the anastomotic nail groove is possibly extruded by the sutured tissues to cause deviation and use defects, when tissues with different thicknesses are operated, the nail bins of the anastomotic nails with different lengths need to be replaced, and before the endoscopic operation, the actual thickness of the tissues is difficult to predict, so that the nail bins need to be replaced or other anastomats need to be replaced in the operation, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art, and provides a disposable endoscope linear cutting anastomat which can increase the friction force for clamping tissues in the operation process and reduce the tissue sliding and deviation in the cutting and anastomosis processes; the operation is more stable and accurate, and the accidental bleeding of tissues in the operation is reduced; can be suitable for different suture heights so as to meet the tissue suture requirements of different thicknesses.
The utility model discloses an overcome the problem that prior art exists, provide following technical scheme:
disposable chamber mirror straight line cutting anastomat includes:
a cartridge for stocking staples; and
the nail pushing seat is matched with the nail bin, and a thickening layer of the nail pushing seat is detachably arranged on the upper surface of the nail pushing seat;
the nail bin is fixed on the nail box base, and the nail abutting seat and the nail box base are fixed through a rotating pin so that the nail abutting seat and the nail bin rotate relatively; a nail pusher is arranged between the nail bin and the nail box base, and an anti-skid elastic layer is arranged on the opposite surface of the nail bin and the nail pushing seat; the nail box base is connected with a lower nail box shell, the nail abutting seat is connected with an upper nail box shell, and a cutting knife assembly is arranged between the lower nail box shell and the upper nail box shell.
In the disposable endoscope linear cutting anastomat disclosed by the application, optionally, a first connecting block and a connecting sheet are arranged between the nail box base and the lower nail box shell for connection.
In the disposable endoscope linear cutting anastomat disclosed by the application, optionally, a second connecting block is arranged between the upper nail box shell and the nail abutting seat, and the second connecting block is fastened with the nail abutting seat through a fixing piece.
In the disposable endoscope linear cutting anastomat disclosed in the application, optionally, the cutting knife subassembly includes the cutting knife, the shell fragment that resets of turning, on the cutting knife was connected to the cutting cutter arbor, be equipped with the backing sheet on the cutting cutter arbor, the shell fragment that resets of turning is connected with cutting cutter arbor, backing sheet respectively.
In the disposable endoscope linear cutting anastomat disclosed by the application, optionally, a stopper and a firing rod connector are further installed on the cutting knife bar, and a stopper spring and a stopper pin are installed on the stopper.
In the disposable endoscope linear cutting anastomat disclosed by the application, optionally, the front end of the cutting knife assembly is provided with a wedge-shaped nail pushing sliding block, and the nail pushing sliding block is positioned between the nail bin and the nail box base.
In the disposable endoscope linear cutting anastomat disclosed by the application, optionally, a steering connecting rod is further installed inside the lower nail box shell and the upper nail box shell, one end of the steering connecting rod is connected to the hinged position of the nail bin and the nail abutting seat to enable the nail bin and the nail abutting seat to steer, and the other end of the steering connecting rod is connected to the instrument handle.
In the disposable endoscope linear cutting anastomat disclosed by the application, optionally, an outer sleeve is sleeved outside the lower nail box shell and the upper nail box shell, a safety knob is installed on the outer sleeve, and an assembly protective cover is further sleeved at the lower end of the outer sleeve.
In the disposable endoscopic linear cutting stapler disclosed herein, optionally, the outer sleeve is mounted in connection to an extension tube disposed on the stapler instrument body.
The utility model has the advantages that:
the anti-skid elastic layer of the utility model can increase the friction force for clamping tissues in the operation process and reduce the tissue sliding and deviation in the cutting and anastomosis processes; the elasticity of the anti-skid elastic layer can be matched with tissues with different thicknesses, so that the height of the nail bin can be finely adjusted, the anastomosis operation is more stable and accurate, and accidental tissue bleeding in the operation is reduced; can be suitable for different suture heights to meet the tissue suture requirements of different thicknesses, reduce the wound size of a patient and reduce the operation risk.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of a disposable endoscopic linear cutting stapler;
FIG. 2 is an exploded view of the overall structure of a disposable endoscopic linear cutting stapler;
fig. 3 is a schematic structural diagram of a cutting knife assembly of the disposable endoscopic linear cutting stapler.
In the figure
1-a nail box base; 11-a nail pusher; 2-a nail bin; 21-pushing the nail slider; 22-a non-slip resilient layer; 23-anastomosis nails; 3-nail abutting seats; 31-a rotation pin; 32-thickening layer of nail-resisting seat; 4-lower nail box shell; 41-a first connection block; 42-connecting piece; 5, mounting a nail box shell; 51-a second connection block; 52-a fixing member; 6-a cutter assembly; 61-a cutter; 62-a support sheet; 63-bending and resetting the elastic sheet; 64-cutting the cutter bar; 65-a stopper; 66-firing bar connector; 67-a stopper spring; 68-a stopper pin; 7-a steering linkage; 8-outer sleeve; 81-safety knob; 82-component protection cover.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Moreover, the embodiments of the present application may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or configurations discussed.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
The anastomat structure is equivalent to an execution assembly, the complete endoscope linear cutting anastomat structure comprises an anastomat instrument body with a handle and a firing mechanism, an extension pipe arranged on the anastomat instrument body, and an execution assembly connected and installed on the extension pipe, wherein the firing mechanism and a steering mechanism are connected to the execution assembly in a transmission mode.
As shown in fig. 1 and 2, the disposable endoscope linear cutting stapler disclosed by the utility model comprises a staple cartridge 2, wherein the staple cartridge 2 is used for storing and placing anastomosis staples 23; and
the nail pushing seat 3 is matched with the nail bin 2, and a thickening layer 32 of the nail pushing seat is detachably arranged on the upper surface of the nail pushing seat 3; support nail seat thickening layer 32 detachable design, according to the thickness of operation tissue, select the nail seat 3 that supports of different thickening layers, can change the nail storehouse 2 that corresponds, cooperate the identical nail 23 of different length, guarantee under the unchangeable circumstances of executive component external diameter, realize different height of sewing up to the demand is sewed up to the tissue that adapts to different thickness, the chamber mirror straight line cutting anastomat that realizes different shaping height all uses the puncture ware of same size, reduces patient's wound size, reduces the operation risk.
The nail bin 2 is fixed on the nail box base 1, and the nail abutting seat 3 and the nail box base 1 are fixed through a rotating pin 31 to enable the nail abutting seat 3 and the nail bin 2 to rotate relatively; a nail pusher 11 is arranged between the nail bin 2 and the nail box base 1, and an anti-skid elastic layer 22 is arranged on the opposite surface of the nail bin 2 and the nail abutting seat 3; the nail box base 1 is connected with a lower nail box shell 4, the nail abutting seat 3 is connected with an upper nail box shell 5, and a cutting knife assembly 6 is arranged between the lower nail box shell 4 and the upper nail box shell 5. A gap is arranged in the middle of the nail bin 2 to be used as a cutter groove, and the cutting knife 61 moves back and forth in the cutter groove. The anti-skid elastic layer 22 can increase the friction force for clamping tissues in the operation process and reduce the tissue sliding and deviation in the cutting and anastomosis processes; the elasticity of the anti-skid elastic layer 22 can be adapted to tissues with different thicknesses, so that the height of the nail bin 2 can be finely adjusted, and the anastomosis operation is more stable and accurate.
A first connecting block 41 and a connecting sheet 42 are arranged between the nail box base 1 and the lower nail box shell 4 for connection.
A second connecting block 51 is arranged between the upper nail box shell 5 and the nail abutting seat 3, and the second connecting block 51 and the nail abutting seat 3 are fastened through a fixing piece 52.
The front end of the cutting knife component 6 is provided with a wedge-shaped nail pushing sliding block 21, and the nail pushing sliding block 21 is positioned between the nail bin 2 and the nail box base 1.
The lower nail box shell 4 and the upper nail box shell 5 are also internally provided with a steering connecting rod 7, one end of the steering connecting rod 7 is connected to the hinged part of the nail bin 2 and the nail abutting seat 3 to enable the nail bin 2 and the nail abutting seat 3 to steer, and the other end of the steering connecting rod 7 is connected to an instrument handle.
The outer sleeves 8 are sleeved outside the lower nail box shell 4 and the upper nail box shell 5, the safety knobs 81 are installed on the outer sleeves 8, and the component protective covers 82 are further sleeved at the lower ends of the outer sleeves 8.
As shown in fig. 3, the cutting knife assembly 6 includes a cutting knife 61 and a bending return spring 63, the cutting knife 61 is connected to a cutting knife bar 64, a support plate 62 is disposed on the cutting knife bar 64, and the bending return spring 63 is respectively connected to the cutting knife bar 64 and the support plate 62. The cutting knife assembly 6 slides in the gap in the middle of the nail bin 2 to realize cutting, and the nail pushing sliding block 21 is pushed to move in the moving process of the cutting knife 61, so that the nail pusher 11 is pressed down, the anastomotic nails 23 are pushed to penetrate through the tissue structure and are locked through the nail pushing seat 3, and the cutting and suturing effects of the surgical tissue are realized.
The cutting knife rod 64 is also provided with a position stopper 65 and a firing rod connector 66, and the position stopper 65 is provided with a position stopper spring 67 and a position stopper pin 68. A stop 65 on the cutting knife bar 64 locks the cutting knife bar 64 to prevent a mis-operation of the cutting.
The use process comprises the following steps:
the nail bin 2 and the nail pushing seat 3 of the anastomat are connected to form a clamp structure, firstly, a puncture outfit with a fixed opening aperture is needed to reach the position of a physiological tissue, then, after the position reaches a preset operation position, the clamp jaw formed by the nail bin 2 and the nail pushing seat 3 clamps the physiological tissue, and then, the jaw is closed to carry out suturing and cutting. The cutting knife 61 is driven by a handle on the anastomat instrument body to move in the knife groove to cut the tissue, the trigger triggers the anastomosis nails 23 to be nailed into two sides of the tissue, and the nail pushing sliding block 21 pushes the nail pusher 11 to push the anastomosis nails 23 to penetrate through the tissue structure and be locked by the nail abutting seat 3.
Each nail bin 2 is provided with a plurality of rows of anastomotic nails 23 to ensure the safety of endoscopic surgery, and the safety lock device is arranged to avoid the secondary percussion of the used nail bin and ensure the safety of surgery. The nail abutting seat 3 is designed to be thin, and can enter smoothly without separating larger gaps, so that the tissue damage is reduced.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (9)
1. Disposable chamber mirror straight line cutting anastomat which characterized in that: the method comprises the following steps:
a cartridge (2), the cartridge (2) being for stocking staples (23); and
the nail pushing seat (3) is matched with the nail bin (2), and a thickening layer (32) of the nail pushing seat is detachably arranged on the upper surface of the nail pushing seat (3);
the nail bin (2) is fixed on the nail box base (1), and the nail abutting seat (3) and the nail box base (1) are fixed through a rotating pin (31) to enable the nail abutting seat (3) and the nail bin (2) to rotate relatively; a nail pusher (11) is arranged between the nail bin (2) and the nail box base (1), and an anti-skidding elastic layer (22) is arranged on the opposite surface of the nail bin (2) and the nail abutting seat (3); the nail box is characterized in that the nail box base (1) is connected with a lower nail box shell (4), the nail abutting seat (3) is connected with an upper nail box shell (5), and a cutting knife assembly (6) is arranged between the lower nail box shell (4) and the upper nail box shell (5).
2. The disposable endoscopic linear cutting stapler of claim 1, wherein: a first connecting block (41) is arranged between the nail box base (1) and the lower nail box shell (4), and the first connecting block (41) is connected with a connecting sheet (42).
3. The disposable endoscopic linear cutting stapler of claim 1, wherein: a second connecting block (51) is arranged between the upper nail box shell (5) and the nail abutting seat (3), and the second connecting block (51) and the nail abutting seat (3) are fastened through a fixing piece (52).
4. The disposable endoscopic linear cutting stapler of claim 1, wherein: the cutting knife assembly (6) comprises a cutting knife (61) and a bending reset elastic sheet (63); the cutting knife (61) is connected to a cutting knife rod (64), and a supporting piece (62) is arranged on the cutting knife rod (64); the bending reset elastic sheet (63) is respectively connected with the cutting knife bar (64) and the support sheet (62).
5. The disposable endoscopic linear cutting stapler of claim 4, wherein: a position stopper (65) and a firing rod connector (66) are further arranged on the cutting knife bar (64); and a stopper spring (67) and a stopper pin (68) are arranged on the stopper (65).
6. The disposable endoscopic linear cutting stapler of claim 1, wherein: the front end of the cutting knife component (6) is provided with a wedge-shaped nail pushing sliding block (21), and the nail pushing sliding block (21) is positioned between the nail bin (2) and the nail box base (1).
7. The disposable endoscopic linear cutting stapler of claim 1, wherein: the lower nail box shell (4) and the upper nail box shell (5) are internally provided with a steering connecting rod (7), one end of the steering connecting rod (7) is connected to the hinged position of the nail bin (2) and the nail abutting seat (3) so as to enable the nail bin (2) and the nail abutting seat (3) to steer, and the other end of the steering connecting rod (7) is connected to an instrument handle.
8. The disposable endoscopic linear cutting stapler of claim 1, wherein: the outer sleeves (8) are sleeved outside the lower nail box shell (4) and the upper nail box shell (5), the safety knobs (81) are installed on the outer sleeves (8), and the assembly protective covers (82) are further sleeved at the lower ends of the outer sleeves (8).
9. The disposable endoscopic linear cutting stapler of claim 8, wherein: the outer sleeve (8) is connected and installed on an extension pipe, and the extension pipe is arranged on the anastomat instrument body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221849242.4U CN218419943U (en) | 2022-07-18 | 2022-07-18 | Disposable endoscope linear cutting anastomat |
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Application Number | Priority Date | Filing Date | Title |
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CN202221849242.4U CN218419943U (en) | 2022-07-18 | 2022-07-18 | Disposable endoscope linear cutting anastomat |
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CN218419943U true CN218419943U (en) | 2023-02-03 |
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CN202221849242.4U Active CN218419943U (en) | 2022-07-18 | 2022-07-18 | Disposable endoscope linear cutting anastomat |
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2022
- 2022-07-18 CN CN202221849242.4U patent/CN218419943U/en active Active
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