CN113057702B - Nail bin assembly of linear stitching instrument - Google Patents
Nail bin assembly of linear stitching instrument Download PDFInfo
- Publication number
- CN113057702B CN113057702B CN202110324414.XA CN202110324414A CN113057702B CN 113057702 B CN113057702 B CN 113057702B CN 202110324414 A CN202110324414 A CN 202110324414A CN 113057702 B CN113057702 B CN 113057702B
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- nail
- staple
- panel
- block
- guide
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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
-
- 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
Abstract
The invention relates to the technical field of medical instruments, and particularly provides a nail bin assembly of a linear stitching instrument, which comprises guide plates, a stitching nail panel, a nail pushing plate and a nail seat, wherein the guide plates are fixed on the back surface of the stitching nail panel, a guide cavity is formed between the two guide plates, the nail pushing plate is slidably installed in the guide cavity, push blocks are fixed at two ends of the nail pushing plate, the front surface of the stitching nail panel is provided with embedded holes corresponding to the push blocks, through holes are formed in two sides of the stitching nail panel, an indicating block is slidably installed in the through holes, a nail pushing hole is formed in the stitching nail panel corresponding to the nail seat, the top end of the guide cavity is also provided with the guide block, a positioning cavity is formed in the guide block, and a tissue positioning needle is slidably installed in the positioning cavity. When the nail bin assembly is used, the nail is pushed out of the nail bin through the nail pushing plate, the push block can also push the indicating block to stretch out of the nail panel, so that the indicating block can correctly indicate whether the nail in the nail bin is pushed out, an operator can conveniently observe the firing state of the nail bin assembly, and the nail bin assembly which is fired is prevented from being installed and used again.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a nail bin assembly of a linear stitching instrument.
Background
At present, when physiological tissues such as esophagus, stomach and intestinal tract are anastomosed by surgical operation, an operation binding instrument is often used for anastomosis, wherein a linear suturing device is an important one, and a nail bin assembly plays an important role in the closing and suturing processes. The existing cartridge component in the linear stapler is a disposable component, after the existing linear stapler is used, since the staples are already fired, when the existing linear stapler needs to be used again to cut the suture, the old cartridge component of the linear stapler needs to be unloaded and a new cartridge component needs to be installed again, however, since the operation is in a stressful atmosphere and the naked eye is difficult to identify whether the cartridge component is already fired, the used cartridge component may be installed again for use, and the new cartridge component also has the problem that the staples fall off during the transportation and use.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a nail bin assembly of a linear stitching instrument to solve the problems that whether the existing nail bin assembly is fired or not is difficult to distinguish and a nail is easy to fall off before the existing nail bin assembly is fired.
The technical scheme adopted by the invention for solving the technical problem is as follows: the utility model provides a nail storehouse subassembly of linear stitching instrument, includes deflector, seam nail panel, ejector pin board and nail seat, two the deflector is parallel to each other and respectively the vertical fixation in the back of seam nail panel, two form the direction chamber between the deflector, the ejector pin board is parallel to seam nail panel and slidable mounting in the direction chamber, the both ends of ejector pin board respectively the vertical fixation have a ejector pad, the front of seam nail panel corresponds the ejector pad is seted up and is link up the gomphosis hole of seam nail panel, the both sides of seam nail panel are seted up perpendicularly and are link up the through-hole of gomphosis hole, slidable mounting has the indicator block in the through-hole, the length of indicator block is greater than the length of through-hole, the front end of ejector pad have be used for with indicator block sliding fit's chamfer, a plurality of nail seat is evenly laid on the ejector pin board and be located between seam nail board and the seam nail panel, correspond on the seam nail panel a plurality of ejector pin hole has been seted up, the top of direction chamber still is provided with the deflector block perpendicular to the direction of guide chamber, the location chamber has the location chamber in the location tissue slides in the ejector pin board orientation.
Preferably, the nail seat comprises a cushion block, the cushion block is vertically fixed on the nail pushing plate, the height of the cushion block is consistent with the length of the nail pushing hole, a nail slot is formed in the top of the cushion block, fastening slots are formed in two sides of the nail slot, and a clamping mechanism is installed in the fastening slots.
Preferably, the clamping mechanism comprises an elastic wane and two clamping blocks, the two clamping blocks are respectively located on two sides of the nail slot, the middle of the elastic wane is elastically connected with the cushion block, one end of the elastic wane is fixed on the clamping blocks, when the elastic wane is located in an original state, the distance between the two clamping blocks is smaller than the slot width of the nail slot, an included angle is formed between the elastic wane and the side face of the cushion block, and when the elastic wane is pressed to an extreme position, the distance between the two clamping blocks is larger than the slot width of the nail slot, and the elastic wane is flush with the side face of the cushion block.
Preferably, after the elastic rocker is compressed to an extreme position, the fixture block protrudes out of the upper surface of the cushion block.
Preferably, one side of the guide plate, which is in sliding connection with the nail pushing plate, is also provided with a guide strip, and the nail pushing plate is provided with a guide groove corresponding to the guide strip.
Preferably, one end of the indicating block, which is located on the side surface of the staple panel, is further provided with a marking strip, and the side surface of the staple panel is correspondingly provided with a groove with the same thickness as the marking strip.
Preferably, the two sides of the staple panel are further provided with clamping grooves for mounting the staple panel along the length direction of the staple panel.
Preferably, a shielding piece is further arranged on one side of the clamping groove close to the advancing direction of the tissue positioning needle.
The beneficial effects of the invention are: the nail bin comprises a nail pushing plate, a nail pushing plate and an indicating block, wherein the nail pushing plate is arranged on the nail pushing plate, the indicating block is arranged in a through hole in the side face of the nail bin panel in a sliding mode, when the nail bin assembly is used, the nail pushing plate pushes the nail out of the nail bin, the pushing block can also push the indicating block to stretch out of the nail bin panel, and therefore the indicating block can correctly indicate whether the nail in the nail bin is pushed out, an operator can observe whether the nail bin assembly is used or not, and the nail bin assembly which is triggered is prevented from being installed and used again.
And secondly, the nail seat is provided with a cushion block and a clamping mechanism to fix the staples, so that the staples can be firmly fixed when the nail bin assembly is not fired, the staples are prevented from falling off before firing, and the reliability of the nail bin assembly when the staples are not pushed out, namely the indication block does not extend out is ensured.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a schematic front view of a preferred embodiment of a staple cartridge assembly of a linear stapler of the present invention;
FIG. 2 is a schematic back view of a preferred embodiment of a staple cartridge assembly of a linear stapler of the present invention;
FIG. 3 is a schematic front view of the operative state of the staple cartridge assembly of the linear stapler of the present invention;
FIG. 4 is a schematic view of the back side of the operative state of the cartridge assembly of the linear stapler of the present invention;
FIG. 5 is a schematic view of the structure of the guide plate and guide block of the cartridge assembly of a linear stapler of the present invention;
FIG. 6 is a schematic view of the structure of the staple pusher plate of the cartridge assembly of the linear stapler of the present invention;
FIG. 7 is a schematic view of a staple holder of a staple cartridge assembly of a linear stapler of the present invention in a released state;
FIG. 8 is a structural view illustrating a clamped state of a staple holder of a staple cartridge assembly of the linear stapler according to the present invention;
FIG. 9 is a schematic view of the structure of the indicator block and the indicator strip of the cartridge assembly of a linear stapler of the invention.
In the figure, 1, a guide plate, 2, a staple panel, 3, a staple pushing plate, 4, a staple holder, 5, a staple, 6, a guide block, 7, a clamping groove, 101, a guide cavity, 102, a guide strip, 103, a guide groove, 201, a fitting hole, 202, a through hole, 203, an indication block, 204, a mark strip, 205, a groove, 206, a staple pushing hole, 301, a push block, 401, a cushion block, 402, a staple groove, 403, a fastening groove, 404, an elastic wane, 405, a clamping block, 601, a positioning cavity, 602, a tissue positioning needle, 701 and a shielding sheet.
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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to 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 and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 9, the present invention provides an embodiment of a cartridge assembly of a linear stapler, including a guide plate 1, a staple panel 2, a staple pusher 3, and a staple holder 4, wherein the two guide plates 1 are parallel to each other and are respectively fixed vertically on the back of the staple panel 2, a guide cavity 101 is formed between the two guide plates 1, the staple pusher 3 is parallel to the staple panel 2 and is slidably installed in the guide cavity 101, two ends of the staple pusher 3 are respectively and vertically fixed with a push block 301, the front of the staple panel 2 is provided with a fitting hole 201 penetrating through the staple panel 2 corresponding to the push block 301, two sides of the staple panel 2 are provided with through holes 202 penetrating through the fitting hole 201 vertically, an indication block 203 is slidably installed in the through hole 202, the length of the indication block 203 is greater than that of the through hole 202, the front end of the push block 301 has a chamfer for slidably fitting with the indication block 203, and when the push block 301 is located in the guide cavity 101, the indication block 203 is completely inserted into the through hole 202 and one end of the indication block 203 is located in the fitting hole 201; when the nail pushing plate 3 is moved so that the pushing block 301 is inserted into the fitting hole 201, one end of the indicating block 203 is pushed by the pushing block 301, so that the other end of the indicating block 203 is pushed out of the through hole 202, and an operator can determine whether the nail bin is fired by observing whether the indicating block 203 extends out.
The one end that indicates piece 203 to lie in the side of staple panel 2 still has sign strip 204, the side of staple panel 2 is corresponding to be seted up with the unanimous slot 205 of the thickness of sign strip 204, when the nail storehouse was not fired, indicate piece 203 and sign strip 204 block in slot 205 and with slot 205 parallel and level, thereby it is difficult to observe sign strip 204, and after the nail storehouse was fired, indicate piece 203 to stretch out and drive sign strip 204 and break away from slot 205, thereby it is more outstanding to make sign strip 204 compare in the side of staple panel 2, be convenient for the operator to observe, the setting up of sign strip 204 has increased the discernment degree after indicating piece 203 stretches out through-hole 202.
The nail seats 4 are uniformly distributed on the nail pushing plate 3 and located between the nail pushing plate 3 and the nail sewing panel 2, a plurality of nail pushing holes 206 are formed in the nail sewing panel 2 corresponding to the nail seats 4, each nail seat 4 comprises a cushion block 401, the cushion blocks 401 are vertically fixed on the nail pushing plate 3, the heights of the cushion blocks 401 are consistent with the lengths of the nail pushing holes 206, therefore, after the nail pushing plate 3 pushes the cushion blocks 401 to completely enter the nail pushing holes 206, the upper surfaces of the cushion blocks 401 are flush with the front surface of the nail sewing panel 2, the tops of the cushion blocks 401 are provided with nail sewing grooves 402, fastening grooves 403 are formed in two sides of the nail sewing grooves 402, and clamping mechanisms are mounted in the fastening grooves 403;
the clamping mechanism comprises an elastic wane 404 and clamping blocks 405, the two clamping blocks 405 are respectively positioned at two sides of the staple slot 402, the middle part of the elastic wane 404 is elastically connected with the cushion block 401, one end of the elastic wane 404 is fixed on the clamping blocks 405, when the elastic wane 404 is in an original state, the distance between the two clamping blocks 405 is smaller than the slot width of the staple slot 402 so as to clamp the staple 5, and an included angle is formed between the elastic wane 404 and the side surface of the cushion block 401, so that the elastic wane 404 protrudes out of the side wall of the cushion block 401, at the moment, the cushion block 401 does not enter the staple pushing hole 206, and the staple 5 is positioned in the staple slot 402 and is clamped by the clamping blocks 405; after the cushion block 401 enters the staple pushing hole 206, the part of the elastic rocker 404 protruding out of the cushion block 401 is compressed to the limit position by the inner wall of the staple pushing hole 206, the distance between the two clamping blocks 405 is larger than the groove width of the staple groove 402 due to the compression of the elastic rocker 404, the clamping blocks 405 loosen the staples 5, the staple legs of the staples 5 are supported and guided by the inner wall of the staple pushing hole 206, the staples 5 are prevented from inclining when moving in the staple pushing hole 206, the clamping blocks 405 protrude out of the upper surface of the cushion block 401, therefore, after the cushion block 401 completely enters the staple pushing hole 206, the clamping blocks 405 form protrusions, the friction between the staple panel 2 and the tissue is effectively increased, and the slippage between the staple cartridge and the tissue is prevented.
The top of guide chamber 101 still is provided with the guide block 6 of perpendicular to guide chamber 101, has location chamber 601 in the guide block 6, and slidable mounting has tissue pilot pin 602 in the location chamber 601, and the axis direction of tissue pilot pin 602 is on a parallel with the slip direction of ejector pin board 3, fixes the tissue through tissue pilot pin 602, can assist staple 5 to sew up, avoids sewing up the failure that the slippage leads to at the in-process tissue of sewing up.
The guide strip 102 is further arranged on one side of the guide plate 1, which is in sliding connection with the nail pushing plate 3, the guide groove 103 is formed in the nail pushing plate 3 corresponding to the guide strip 102, and the guide strip 102 is matched with the guide groove 103, so that the nail pushing plate 3 can accurately push the cushion block 401 from the guide cavity 101 to the nail pushing hole 206, the cushion block 401 is matched with the nail pushing hole 206 one by one, and the nails 5 tightly clamped on the cushion block 401 are accurately sent into the nail pushing hole 206.
The draw-in groove 7 that is used for installing the nail facing board 2 has still been seted up along the length direction of nail facing board 2 to the both sides of nail facing board 2, and draw-in groove 7 still has shielding piece 701 near one side of organizing the pilot pin 602 advancing direction, shelters from the junction of suturing device and nail facing board 2 through shielding piece 701, avoids sewing up the in-process tissue by the metal parts damage of suturing device.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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, a schematic representation of terms does 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.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A nail cabin component of a linear stitching instrument is characterized in that: the tissue positioning device comprises guide plates, a staple panel, staple pushing plates and staple seats, wherein the two guide plates are parallel to each other and are respectively and vertically fixed on the back surface of the staple panel, a guide cavity is formed between the two guide plates, the staple pushing plates are parallel to the staple panel and are slidably mounted in the guide cavity, two ends of each staple pushing plate are respectively and vertically fixed with a pushing block, the front surface of the staple panel is provided with a jogged hole penetrating through the staple panel corresponding to the pushing block, two sides of the staple panel are provided with through holes vertically penetrating through the jogged holes, an indicating block is slidably mounted in the through holes, the length of the indicating block is greater than that of the through holes, the front end of the pushing block is provided with a chamfer angle for slidably matching with the indicating block, a plurality of staple seats are uniformly distributed on the staple pushing plates and are positioned between the staple panel and the staple pushing plate, a plurality of staple holes are formed in the staple panel corresponding to the staple seats, the top ends of the guide cavities are also provided with guide blocks perpendicular to the guide cavities, positioning cavities are arranged in the guide cavities, and tissue positioning needles are slidably mounted in the direction parallel to the axis of the staple positioning plate;
the nail seat comprises a cushion block, the cushion block is vertically fixed on the nail pushing plate, the height of the cushion block is consistent with the length of the nail pushing hole, a nail slot is formed in the top of the cushion block, fastening slots are formed in two sides of the nail slot, and a clamping mechanism is installed in each fastening slot;
the clamping mechanism comprises an elastic wane and two clamping blocks, the two clamping blocks are respectively located on two sides of the nail slot, the middle of the elastic wane is elastically connected with the cushion block, one end of the elastic wane is fixed on the clamping block, when the elastic wane is located in an original state, the distance between the two clamping blocks is smaller than the slot width of the nail slot, an included angle is formed between the elastic wane and the side face of the cushion block at the moment, when the elastic wane is pressed to an extreme position, the distance between the two clamping blocks is larger than the slot width of the nail slot, and the elastic wane is parallel and level with the side face of the cushion block at the moment.
2. The staple cartridge assembly of a linear stapler of claim 1, wherein: after the elastic wane is compressed to the extreme position, the clamping block protrudes out of the upper surface of the cushion block.
3. The staple cartridge assembly of a linear stapler of claim 2, wherein: the guide plate and the side of the ejector pin plate in sliding connection are also provided with guide strips, and guide grooves corresponding to the guide strips are formed in the ejector pin plate.
4. The staple cartridge assembly of a linear stapler of claim 3, wherein: the indicating block is positioned at one end of the side face of the stitching nail panel and is also provided with a marking strip, and the side face of the stitching nail panel is correspondingly provided with a groove with the same thickness as the marking strip.
5. The staple cartridge assembly of a linear stapler of claim 4, wherein: clamping grooves for mounting the sewing nail panel are further formed in the two sides of the sewing nail panel along the length direction of the sewing nail panel.
6. The staple cartridge assembly of a linear stapler of claim 5, wherein: one side of the clamping groove close to the advancing direction of the tissue positioning needle is also provided with a shielding piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110324414.XA CN113057702B (en) | 2021-03-26 | 2021-03-26 | Nail bin assembly of linear stitching instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110324414.XA CN113057702B (en) | 2021-03-26 | 2021-03-26 | Nail bin assembly of linear stitching instrument |
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| Publication Number | Publication Date |
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| CN113057702A CN113057702A (en) | 2021-07-02 |
| CN113057702B true CN113057702B (en) | 2023-03-07 |
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| CN202110324414.XA Active CN113057702B (en) | 2021-03-26 | 2021-03-26 | Nail bin assembly of linear stitching instrument |
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| CN208096782U (en) * | 2017-12-21 | 2018-11-16 | 朱安龙 | A kind of stapler that extra staple can be recycled |
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Also Published As
| Publication number | Publication date |
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| CN113057702A (en) | 2021-07-02 |
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