Endoscopic anastomatTechnical Field
The utility model relates to the technical field of medical instruments, in particular to an endoscopic anastomat.
Background
The endoscopic stapler is one of important instruments for endoscopic surgery, replaces the traditional manual suturing, utilizes titanium nails to separate or anastomose tissues, is simple and quick to operate, and can greatly shorten the operation time. The endoscopic anastomat can facilitate, accurately, firmly and reliably anastomose the narrow operation field and the deep manual operation of the part, thereby obviously reducing the incidence rate of anastomotic fistula.
The front end of the endoscope anastomat is often provided with a olecranon hook component for picking up tissues, the olecranon hook component in the traditional endoscope anastomat is usually fixedly arranged, a special tool is required to be used for installation or unloading, a certain degree of skill is required to be provided for the instrument in the operation process, and the operation is not convenient and fast enough.
Disclosure of Invention
The utility model aims to provide an endoscopic stapler for solving the problems in the background art.
The utility model is realized by the following technical scheme:
the utility model provides a laparoscopic anastomat, includes the laparoscopic anastomat body, the front end of laparoscopic anastomat body is provided with to nail seat subassembly, olecranon hook component and nail storehouse, and to nail seat subassembly and nail storehouse set up to swing joint, to nail seat subassembly includes to nail seat body and to nail seat support, the olecranon hook component includes olecranon hook and connecting piece, the connecting piece with the olecranon hook is welding or joint, the olecranon hook with to nail seat body passes through connecting piece swing joint, be provided with the trip on the connecting piece, be provided with on the olecranon hook and be used for connecting the through-hole of connecting piece, be provided with on the ail seat body and be used for settling the constant head tank of trip.
As a further scheme of the utility model, the connecting piece comprises a cover plate, limiting blocks are respectively arranged on two sides of the cover plate, corresponding buckling points are respectively arranged on the inner sides of the limiting blocks, and the clamping hooks are arranged on the cover plate.
As a further scheme of the utility model, the positioning groove is arranged on the top surface of the nail propping seat body.
Preferably, the top surface of the cover plate is arc-shaped.
As a further scheme of the utility model, the connecting piece comprises an insert, the clamping hook is arranged at the top end of the insert, and the clamping hook has elasticity, so that the later assembly and disassembly are convenient.
As a further scheme of the utility model, the cross-sectional area of the top surface of the front end of the olecranon hook is larger than that of the end part of the nail supporting seat body.
As a further scheme of the utility model, the olecranon hook is a fully-covered olecranon hook, and the olecranon hook is sleeved on the periphery of the nail propping seat body.
As a further scheme of the utility model, the top surface of the olecranon hook is provided with the positioning rib, the top surface of the positioning rib is provided with the extension part, the whole structure is in a T shape, the end part of the nail propping seat body is provided with the clamping groove matched with the positioning rib, and the positioning rib is matched with the clamping groove, so that the nail propping seat assembly and the olecranon hook assembly can be prevented from shaking, and the stability of the device is further improved.
As a further scheme of the utility model, the positioning groove is arranged on the bottom surface of the nail propping seat body.
As a further scheme of the utility model, the side surface of the nail supporting seat body and/or the side surface of the olecranon hook is provided with an arc-shaped transition groove for avoiding forming a sharp acute angle and forming secondary injury to a tissue part.
Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts the pluggable olecranon hook component to press the clamping hook on the connecting piece into the positioning clamping groove of the nail supporting seat body, and the assembly stability is high. The endoscopic stapler provided by the utility model is convenient and quick to use, and can realize barrier-free loading and disassembly under the condition of not using an external tool.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic overall structure of embodiment 1 of the present utility model;
FIG. 2 is a schematic view showing the assembly of the nail holder assembly and the olecranon hook assembly according to embodiment 1 of the present utility model;
FIG. 3 is an exploded view of the nail holder assembly and the olecranon hook assembly of example 1 of the present utility model;
FIG. 4 is an exploded view of the nail holder assembly and the olecranon hook assembly of example 1 of the present utility model in another direction;
FIG. 5 is a schematic overall structure of embodiment 2 of the present utility model;
FIG. 6 is a schematic view showing the assembly of the nail holder assembly and the olecranon hook assembly according to embodiment 2 of the present utility model;
FIG. 7 is a side cross-sectional view of an assembly of the nail holder assembly and the olecranon hook assembly of embodiment 2 of the present utility model;
FIG. 8 is a schematic overall structure of embodiment 3 of the present utility model;
FIG. 9 is a schematic view showing the assembly of the nail holder assembly and the olecranon hook assembly according to embodiment 3 of the present utility model;
FIG. 10 is an exploded view of the nail holder assembly and the olecranon hook assembly of example 3 of the present utility model;
FIG. 11 is an exploded view of an alternative orientation of the nail holder assembly and the olecranon hook assembly of example 3 of the present utility model.
Reference numerals illustrate:
1-endoscope anastomat body, 2-nail supporting seat assembly, 201-nail supporting seat body, 202-nail supporting seat support, 203-positioning groove, 204-clamping groove, 3-olecranon hook assembly, 301-olecranon hook, 302-connecting piece, 303-clamping hook, 304-through hole, 305-cover plate, 306-limiting block, 307-buckling point, 308-insert, 309-positioning rib, 310-limiting groove, 4-nail bin and 5-arc transition groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
as shown in fig. 1-4, the embodiment provides a endoscope anastomat, which comprises an endoscope anastomat body 1, wherein the front end part of the endoscope anastomat body 1 is provided with a nail supporting seat component 2, a olecranon hook component 3 and a nail bin 4, and the nail supporting seat component 2, the nail bin 4 and the nail bin are movably connected. The nail propping seat assembly 2 comprises a nail propping seat body 201 and a nail propping seat support 202, the olecranon hook assembly 3 comprises an olecranon hook 301 and a connecting piece 302 which are connected in a buckling manner, the connecting piece 302 in the embodiment is a cover plate 305, the olecranon hook 301 and the nail propping seat body 201 are movably connected through the cover plate 305, a clamp hook 303 with elasticity is arranged on the cover plate 305, a through hole 304 for connecting the cover plate 305 is arranged on the olecranon hook 301, a positioning groove 203 for arranging the clamp hook 303 is arranged on the top surface of the nail propping seat body 201, limiting blocks 306 are respectively arranged on two sides of the cover plate 305, and corresponding buckling points 307 are respectively arranged on the inner sides of the limiting blocks 306.
Further, in this embodiment, the top surface of the cover 305 is arc-shaped, so that sharp corners can be avoided, and secondary damage to the tissue site can be avoided.
When the endoscopic anastomat provided by the embodiment is assembled, the cover plate 305 serving as a connecting piece is pressed, the limiting block 306 is pressed into the through hole 304 on the olecranon hook 301, the cover plate 305 and the olecranon hook 301 are clamped under the action of the buckling point 307, the nail supporting seat assembly 2 is inserted between the olecranon hook 301 and the cover plate 305, and at the moment, the clamping hook 303 is arranged in the positioning groove 203 on the top surface of the nail supporting seat body 201, so that the positioning of the nail supporting seat assembly 2 and the olecranon hook assembly 3 is formed. During use, when the olecranon hook component 3 needs to be removed, the olecranon hook component 3 is pulled forward, so that the hook 303 is lifted upwards, and after the hook 303 is fully separated from the positioning groove 203, the nail supporting seat component 2 is separated from the olecranon hook component 3, and the hook 303 is restored to the original state.
Example 2:
as shown in fig. 5-7, the present embodiment provides a endoscopic anastomat, which comprises a endoscopic anastomat body 1, wherein the end part of the endoscopic anastomat body 1 comprises a nail supporting seat component 2, a olecranon hook component 3 and a nail bin 4, the nail supporting seat component 2 and the nail bin 4 are arranged at the end part of the endoscopic anastomat body 1, and the nail supporting seat component 2, the nail bin 4 and the nail bin are movably connected. The nail propping seat assembly 2 comprises a nail propping seat body 201 and a nail propping seat support 202, the olecranon hook assembly 3 comprises an olecranon hook 301 and a connecting piece 302 which are welded or in snap connection, the connecting piece 302 adopted in the embodiment is an insert 308, the cross section area of the top surface of the front end of the olecranon hook 301 is larger than that of the end part of the nail propping seat body 201, therefore, the olecranon hook 301 is arranged to be directly sleeved on the Quan Bao olecranon hook of the periphery of the nail propping seat body 201, a through hole 304 for connecting the insert 308 is formed in the olecranon hook 301, a positioning groove 203 for arranging a clamping hook 303 is formed in the bottom surface of the nail propping seat body 201, the olecranon hook 301 and the nail propping seat body 201 are movably connected through the insert 308, and the top end of the insert 308 is provided with the clamping hook 303 with elasticity, so that the later assembly and disassembly can be facilitated.
When the endoscopic stapler provided in this embodiment is assembled, the insert 308 is first disposed in the through hole 304 on the olecranon hook 301 in a welding or clamping manner, and then the nail supporting seat assembly 2 is blindly pushed into the olecranon hook 301 until the clamping hook 303 enters the positioning groove 203 disposed on the bottom surface of the nail supporting seat body 201, so as to form the positioning of the nail supporting seat assembly 2 and the olecranon hook assembly 3. During the use, when the olecranon hook component 3 needs to be removed, the olecranon hook component 3 is pulled forward or the nail supporting seat component 2 is pulled backward, so that the clamping hook 303 is separated from the positioning groove 203, and the disassembly is realized.
Example 3:
as shown in fig. 8-11, the embodiment provides a endoscope anastomat, which comprises an endoscope anastomat body 1, wherein the front end of the endoscope anastomat body 1 is provided with a nail supporting seat component 2, a olecranon hook component 3 and a nail bin 4, and the nail supporting seat component 2, the nail bin 4 and the nail bin are movably connected. The nail propping seat assembly 2 comprises a nail propping seat body 201 and a nail propping seat support 202, the olecranon hook assembly 3 comprises a welded or clamped olecranon hook 301 and a connecting piece 302, a through hole 304 for connecting the connecting piece 302 is formed in the olecranon hook 301, the olecranon hook 301 and the nail propping seat body 201 are clamped through the connecting piece 302, and a limit groove 310 matched with the top of the nail propping seat body 201 is formed in the side face of the top of the olecranon hook 301 and used for limiting the position of the nail propping seat body 201, so that the stability of device matching can be further improved, and the olecranon hook 301 is prevented from overturning in matching.
The connecting piece 302 in this embodiment is provided with an elastic hook 303, and the bottom surface of the nail base 201 is provided with a positioning groove 203 for accommodating the hook 303. And the top surface of the olecranon hook 301 that this embodiment provided is provided with location rib 309, and the top surface of location rib 309 is provided with extension, and overall structure sets up to the T type, and the tip of supporting nail seat body 201 is provided with the draw-in groove 204 with location rib 309 looks adaptation, and location rib 309 cooperates with draw-in groove 204, can prevent to support nail seat subassembly 2 and olecranon hook assembly 3 and rock, and then has improved the stability of device.
Further, in this embodiment, the arc-shaped transition grooves 5 are provided on the side surface of the nail base body 201 and the side surface of the olecranon hook 301, so that the formation of sharp acute angles can be avoided, and secondary damage to the tissue part can be avoided.
When the endoscopic anastomat provided by the embodiment is assembled, the connecting piece 302 is firstly arranged in the through hole 304 on the olecranon hook 301 in a welding or clamping mode, and then the olecranon hook 301 assembled with the connecting piece 302 is aligned with the nail supporting seat body 201, so that the nail supporting seat body 201 is matched with the limit groove 310 on the olecranon hook 301, meanwhile, the positioning ribs 309 are matched with the clamping groove 204 at the end part of the nail supporting seat body 201, shaking can be prevented, the assembling stability is improved, and at the moment, the clamping hook 303 is inserted into the positioning groove 203 on the bottom surface of the nail supporting seat body 201, so that the positioning of the nail supporting seat assembly 2 and the olecranon hook assembly 3 is formed. During the use, when the olecranon hook component 3 needs to be removed, the olecranon hook component 3 is pulled forward or the nail supporting seat component 2 is pulled backward, so that the clamping hook 303 is separated from the positioning groove 203, and the disassembly is realized.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.