CN213963501U - Cavity mirror linear cutting anastomat nail storehouse - Google Patents

Abstract

The utility model discloses a chamber mirror linear cutting anastomat nail storehouse, include: the nail bin body is provided with a bin cavity with an opening at the rear end, and both sides of the cutting opening are provided with nail holes extending to the bin cavity; the ejection plate is arranged in the bin cavity and can move up and down, the upper surface of the ejection plate is provided with an ejection block corresponding to the nail hole, the top of the ejection block is used for bearing the titanium nail arranged in the nail hole, and a spring is arranged between the ejection plate and the top wall of the bin cavity and used for applying downward acting force to the ejection plate; the pushing block moves forwards to drive the ejector plate to ascend. The utility model drives all the ejection blocks on the ejection plate to ascend by pushing the ejection plate to push the ejection blocks to ascend through the push block, and then ejects the titanium nails supported by the ejection blocks out of the nail holes to realize sewing; by the aid of the spring, the ejector plate can keep a contraction state when not being subjected to acting force of the push block, and the titanium nail is prevented from being ejected by the ejector block when being subjected to vibration or slight stress, so that the anastomat can be normally used.

Description

Cavity mirror linear cutting anastomat nail storehouse

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a chamber mirror linear cutting anastomat nail storehouse.

Background

The endoscopic minimally invasive surgery is rapidly developed for many years, and begins to enter the era of rapid development and popularization of minimally invasive surgery. In recent years, there has been a progression from multi-port laparoscopic surgery to single-port laparoscopic surgery to body surface scarless surgery under natural translumenal endoscopy.

Endoscopic staplers are a common medical device used to replace manual cutting and stapling of tissue. The stapler can be classified into a circular cutting stapler, a linear cutting stapler, etc. according to the application range. In the case of a straight line cutting stapler, the titanium staple is pushed out from the staple hole by pushing the push block, but before transportation or use, the titanium staple may be pushed out due to vibration or other reasons to cause the endoscope to fail.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a chamber mirror straight line cutting anastomat nail storehouse can protect the titanium nail not released before transportation and use, and lead to the anastomat to become invalid.

According to the utility model discloses a chamber mirror straight line cutting anastomat nail storehouse of first aspect embodiment, include: the nail bin comprises a nail bin body and a nail bin body, wherein the nail bin body is provided with a bin cavity with an opening at the rear end, the middle part of the upper surface of the nail bin body is provided with a cutting opening communicated with the bin cavity, and two sides of the cutting opening are provided with nail holes extending to the bin cavity; the ejection plate is arranged in the bin cavity and can move up and down, an ejection block is arranged on the upper surface corresponding to the nail hole, the top of the ejection block is used for bearing the titanium nail arranged in the nail hole, a spring is arranged between the ejection plate and the top wall of the bin cavity, and the spring is used for applying downward acting force to the ejection plate; and the pushing block is at least partially arranged in the bin cavity and is contacted with the ejection plate, and the pushing block moves forwards to drive the ejection plate to ascend.

According to the utility model discloses chamber mirror straight line cutting anastomat nail storehouse has following technological effect at least: the ejector plate is pushed to ascend through the ejector block so as to drive all ejector blocks on the ejector plate to ascend, and then the titanium nails supported by the ejector blocks are ejected out of the nail holes, so that stitching is realized; by the aid of the spring, the ejector plate can keep a contraction state when not being subjected to acting force of the push block, and the titanium nail is prevented from being ejected by the ejector block when being subjected to vibration or slight stress, so that the anastomat can be normally used.

According to some embodiments of the utility model, the storehouse chamber roof is equipped with the guiding hole, the liftout plate is equipped with the guide post that matches the correspondence with the guiding hole, the spring housing is established on the guide post.

According to some embodiments of the utility model, the guide post is equipped with four and is located the four corners of liftout plate.

According to some embodiments of the utility model, the liftout plate upper surface is equipped with the storage tank that supplies spring bottom part embedding around the guide post bottom.

According to the utility model discloses a some embodiments, the ejector pad is equipped with a spacing hole, the nail storehouse body is equipped with a locating hole, the locating hole is in on the route of the front and back activity in spacing hole, when locating hole and spacing pore align, titanium nail on the ejecting piece is hidden in the nail downthehole.

According to some embodiments of the present invention, the nail cartridge further comprises a protective sleeve sleeved on the nail cartridge body, wherein the middle part of the protective sleeve is provided with a cavity adapted to the outline of the nail cartridge body, and the rear end of the cavity is provided with a socket for inserting the nail cartridge body; the cavity rear end diapire is equipped with an elastic tongue piece, elastic tongue piece one end with the protective sheath is fixed continuous, and the other end is the free end, just the internal surface of free end is equipped with a bellied locator card post, the locator card post is used for the card to go into locating hole and spacing hole.

According to some embodiments of the present invention, the outer surface of the free end of the elastic tongue piece is provided with a hook for facilitating pulling up the detent post.

According to some embodiments of the utility model, the protective sheath front end extends forward has the extension, the extension front end is equipped with the baffle for the terminal surface offsets before with the nail storehouse body.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

Fig. 1 is a structural diagram illustrating an assembled state of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an exploded state of the embodiment of the present invention;

fig. 3 is a schematic structural diagram of another exploded state of the embodiment of the present invention;

fig. 4 is an assembled internal cross-sectional view of an embodiment of the invention;

FIG. 5 is a schematic view of the protective sheath being connected to the staple cartridge body;

FIG. 6 is a schematic view of a protective sheath;

FIG. 7 is a schematic bottom view of the protective sleeve;

FIG. 8 is a schematic view of the protection cover and the staple cartridge body in an exploded state.

Reference numerals:

the nail box comprises a nail box body 100, a nail box cavity 110, a cutting opening 111, a nail hole 120, a guide hole 130 and a positioning hole 140;

the ejection plate 200, the first inclined surface 201, the ejection block 210, the guide post 220, the spring 230 and the accommodation groove 240;

the pushing block 300, the second inclined plane 301 and the limiting hole 310;

the protective sleeve 400, a cavity 401, a socket 402, an elastic tongue piece 410, a positioning clamping column 411, a dividing strip opening 420, a draw hook 430, a vertical part 431, a horizontal part 432, an extension part 440, a baffle 441, a friction bulge 450 and an escape position 460.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and 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 present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the staple cartridge of the endoscopic linear cutting stapler according to the embodiment of the present invention includes a staple cartridge body 100, an ejection plate 200 and a push block 300.

The nail bin body 100 is provided with a bin cavity 110 with an opening at the rear end, the middle part of the upper surface is provided with a cutting opening 111 communicated with the bin cavity 110, and the cutting opening 111 is used for a cutting knife to pass through so as to cut the human tissue. The cutting opening 111 is flanked by staple holes 120 that extend to the cartridge cavity 110 for stapling the severed tissue. The ejection plate 200 is arranged in the bin cavity 110 and can move up and down, the upper surface of the ejection plate 200 is provided with an ejection block 210 corresponding to the nail hole 120, the top of the ejection block 210 is used for supporting the titanium nails arranged in the nail hole 120, a spring 230 is arranged between the ejection plate 200 and the top wall of the bin cavity 110, and the spring 230 is used for applying a downward acting force to the ejection plate 200; the pushing block 300 is at least partially disposed in the bin cavity 110, the pushing block 300 contacts with the ejector plate 200, and the pushing block 300 moves forward to drive the ejector plate 200 to ascend. The ejector plate 200 is pushed to ascend through the push block 300 so as to drive all the ejector blocks 210 on the ejector plate 200 to ascend, and then the titanium nails supported on the ejector blocks 210 are ejected out of the nail holes, so that the sewing is realized; by the action of the spring 230, the ejector plate 200 can keep a contraction state when not being acted by the push block 300, and when being shocked or slightly stressed, the ejector block 210 is ensured not to eject the titanium nail, so that the anastomat can be normally used.

Referring to fig. 3 and 4, the rear end of the bottom of the ejector plate 200 is provided with a first inclined surface 201, and the push block 300 is provided with a second inclined surface 301 attached to the first inclined surface 201, so that the push block can push the ejector plate 200 to ascend when moving forward through the inclined pushing action of the inclined surfaces.

In some embodiments of the present invention, the top wall of the bin cavity 110 is provided with a guiding hole 130, the ejecting plate 200 is provided with a guiding post 220 matching with the guiding hole 130, and the spring 230 is sleeved on the guiding post 220. The guide is realized through the cooperation of guide post 220 and guiding hole 130 for it is more stable when liftout plate 200 rises, and guide post 220 also gives spring 230 good mounted position and spacing, and spring 230 specifically can be the pressure spring.

In some embodiments of the present invention, the guiding columns 220 are four and are located at four corners of the ejecting plate 200, so that the guiding range covers the whole ejecting plate 200, thereby improving the guiding stability.

In some embodiments of the present invention, the top surface of the ejector plate 200 is provided with a receiving groove 240 around the bottom of the guide column 220 for partially embedding the bottom of the spring 230, and the receiving groove 240 provides more mounting space for the spring 230, so that the receiving groove 240 can provide enough receiving space for the spring 230 when the top surface of the ejector plate 200 is attached to the top wall of the chamber 110.

In some embodiments of the present invention, the pushing block 300 has a limiting hole 310, the nail cartridge body 100 has a positioning hole 140, the positioning hole 140 is located on the front and back moving path of the limiting hole 310, and when the positioning hole 140 is aligned with the limiting hole 310, the titanium nail on the ejecting block 210 is hidden in the nail hole 120. In order to avoid mistakenly touching the pushing block 300 to push the ejecting plate 200, the positioning hole 140 and the limiting hole 310 can be inserted with a limiting structure after being aligned to realize protection, and the stapler can be taken down before use.

Referring to fig. 5 to 8, in some embodiments of the present invention, the cartridge further includes a protection sleeve 400, and the cartridge body 100 is sleeved with the protection sleeve 400. The middle of the protective sleeve 400 is provided with a cavity 401 matched with the outer contour of the nail bin body 100, namely, the cross section of the nail bin body 100 is matched with the cross section of the cavity 401, so that after the nail bin body 100 is sleeved in the cavity 401, the outer peripheral wall of the nail bin body 100 is attached to the inner wall of the cavity 401, and titanium nails in the nail bin body cannot extend out of nail holes. The cavity 401 has a socket 402 at the rear end into which the cartridge body 100 is inserted so that the cartridge body 100 extends into the cavity 401.

The bottom wall of the rear end of the cavity 401 is provided with an elastic tongue piece 410, one end of the elastic tongue piece 410 is fixedly connected with the protective sleeve 400, the other end is a free end, and the inner surface of the free end is provided with a raised positioning clamping column 411. The positioning clip column 411 is used for being clamped into the positioning hole 140 and the limiting hole 310, and after the positioning clip column 411 is clamped into the positioning hole 140 and the limiting hole 310 on the push block, the push block cannot push the titanium nail out of the nail hole in the nail bin body 100. The elastic tongue piece 410 enables the positioning clamping column 411 to have better elastic deformation capacity, so that the nail bin body 100 can be sleeved into the cavity 401, and the problem that the nail bin body 100 cannot be sleeved or is difficult to be sleeved into the cavity 401 due to interference of the positioning clamping column 411 is avoided. Therefore, the titanium nails can be prevented from automatically falling from the nail holes, and the pushing block 300 is also prevented from pushing the ejecting plate 200 to eject the titanium nails.

In some embodiments of the present invention, the two sides of the elastic tongue piece 410 and the surrounding wall of the protection sleeve 400 are respectively formed with a dividing strip opening 420, specifically, the front end of the elastic tongue piece 410 is fixedly connected to the surrounding wall of the protection sleeve 400, the rear end is a free end, the surrounding wall of the protection sleeve 400 is provided with a abdicating corresponding to the elastic tongue piece 410, the elastic tongue piece 410 is connected to the abdicating position and the two sides are formed with the surrounding wall of the protection sleeve 400 to form the dividing strip opening 420, so that the elastic tongue piece 410 has a better elastic degree of freedom.

The utility model discloses an in some embodiments, the surface of elasticity tongue piece 410 free end is equipped with a drag hook 430 for conveniently pull up locator card post 411, be used for conveniently pulling up locator card post 411, when protective sheath 400 was taken off to needs, only need outwards pull up drag hook 430, can easily pull out locating hole 140 and spacing hole with locator card post 411, conveniently take off protective sheath 400.

In some embodiments of the present invention, the retractor 430 includes a vertical portion 431 and a horizontal portion 432; the vertical portion 431 is fixedly connected at its top end to the resilient tongue 410 and at its bottom end to the horizontal portion 432. When the protective cover 400 needs to be removed, the user only needs to pull the horizontal portion 432 outward, and the horizontal portion 432 enables the user to operate the protective cover more conveniently.

In a further embodiment of the present invention, the pulling hook 430, the elastic tongue 410 and the protection sheath 400 are integrally formed, so as to facilitate the manufacturing and processing and save the manufacturing cost.

Specifically, the protective sheath adopts the plastics material to make, and the plastics material has certain elastic deformation ability for can be better reconversion after the elastic deformation of locator card post 411 position. Of course, in other embodiments, the protective sheath 400 may also be made of a metal material with elasticity.

The utility model discloses an in some embodiments, protective sheath 400 periphery wall is equipped with friction arch 450, and friction when friction arch 450 increases manual pull is convenient for manually advance nail storehouse body 100 with protective sheath 400 cover, also conveniently takes off nail storehouse body 100.

In some embodiments of the present invention, the front end of the protective sheath 400 is extended forward to form an extension 440, and the cross section of the extension 440 matches with a partial contour of the cavity 401. The front end of the extending part 440 is provided with a baffle 441 for abutting against the front end surface of the nail bin body 100. After the nail bin body 100 is inserted into the cavity 401, the end surface abuts against the baffle 441, so that the nail bin body 100 is prevented from being inserted too deeply, the positioning clamping column 411 passes through the positioning hole 140, the operation is convenient, and the positioning clamping column 411 is convenient to align and insert into the positioning hole 140.

The utility model discloses a further embodiment, protective sheath 400 perisporium is equipped with above locator card post 411 and dodges position 460, dodges position 460 and when making protective sheath 400 carry out integrated into one piece through the mould, more makes things convenient for the drawing of patterns, simplifies the mould, reduces manufacturing cost.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. The utility model provides a chamber mirror straight line cutting anastomat nail storehouse which characterized in that includes:

the nail bin comprises a nail bin body (100) and a nail bin body, wherein the nail bin body is provided with a bin cavity (110) with an opening at the rear end, the middle part of the upper surface of the nail bin body is provided with a cutting opening (111) communicated with the bin cavity (110), and two sides of the cutting opening (111) are provided with nail holes (120) extending to the bin cavity (110);

the ejection plate (200) is arranged in the bin cavity (110) and can move up and down, an ejection block (210) is arranged on the upper surface corresponding to the nail hole (120), the top of the ejection block (210) is used for supporting the titanium nail arranged in the nail hole (120), a spring (230) is arranged between the ejection plate (200) and the top wall of the bin cavity (110), and the spring (230) is used for applying downward acting force to the ejection plate (200);

the pushing block (300) is at least partially arranged in the bin cavity (110) and is contacted with the ejector plate (200), and the pushing block (300) moves forwards to drive the ejector plate (200) to ascend.

2. The endoscopic linear cutting stapler cartridge according to claim 1, characterized in that: the top wall of the bin cavity (110) is provided with a guide hole (130), the ejection plate (200) is provided with a guide column (220) corresponding to the guide hole (130) in a matched mode, and the spring (230) is sleeved on the guide column (220).

3. The endoscopic linear cutting stapler cartridge according to claim 2, characterized in that: the four guide columns (220) are arranged and are positioned at four corners of the ejection plate (200).

4. The endoscopic linear cutting stapler cartridge according to claim 2, characterized in that: the upper surface of the ejector plate (200) is provided with a containing groove (240) for embedding the bottom part of the spring (230) on the periphery of the bottom part of the guide column (220).

5. The endoscopic linear cutting stapler cartridge according to claim 1, characterized in that: the push block (300) is provided with a limiting hole (310), the nail bin body (100) is provided with a positioning hole (140), the positioning hole (140) is located on a path of the limiting hole (310) moving back and forth, and when the positioning hole (140) is aligned with the limiting hole (310), titanium nails on the ejection block (210) are hidden in the nail holes (120).

6. The endoscopic linear cutting stapler cartridge according to claim 5, characterized in that: the nail magazine is characterized by further comprising a protective sleeve (400) sleeved on the nail magazine body (100), a cavity (401) matched with the outer contour of the nail magazine body (100) is formed in the middle of the protective sleeve (400), and a socket (402) for inserting the nail magazine body (100) is formed in the rear end of the cavity (401);

cavity (401) rear end bottom wall is equipped with an elastic tongue piece (410), elastic tongue piece (410) one end with protective sheath (400) are fixed to be linked to each other, and the other end is the free end, just the internal surface of free end is equipped with a bellied locator card post (411), locator card post (411) are used for the card to go into locating hole (140) and spacing hole (310).

7. The endoscopic linear cutting stapler cartridge according to claim 6, characterized in that: the outer surface of the free end of the elastic tongue piece (410) is provided with a draw hook (430) for conveniently drawing up the positioning clamp column (411).

8. The endoscopic linear cutting stapler cartridge according to claim 6, characterized in that: the front end of the protective sleeve (400) extends forwards to form an extension part (440), and the front end of the extension part (440) is provided with a baffle plate (441) which is used for abutting against the front end face of the nail bin body (100).

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