CN212755771U - Anastomat capable of adjusting suturing nail forming height - Google Patents
Anastomat capable of adjusting suturing nail forming height Download PDFInfo
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- CN212755771U CN212755771U CN202020693246.2U CN202020693246U CN212755771U CN 212755771 U CN212755771 U CN 212755771U CN 202020693246 U CN202020693246 U CN 202020693246U CN 212755771 U CN212755771 U CN 212755771U
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Abstract
The utility model discloses an anastomat capable of adjusting the forming height of suturing nails, which comprises a shell component, a nail pushing component and a nail pushing component which are arranged in a sliding way from outside to inside in sequence, wherein a nail bin is arranged at the far end of the shell component, suturing nails are arranged in the nail bin, and a nail pusher used for pushing the suturing nails out of the nail bin is arranged at the far end of the nail pushing component; the nail pushing assembly is slidably arranged in the nail pushing assembly, the far end of the nail pushing assembly is provided with a suturing nail pushing seat used for pushing out suturing nails, the suturing nail is pushed against the forming nail pushing seat, the tissue to be sutured is located between the nail pushing seat and the nail bin, the inner wall of the shell assembly is provided with a first stopping surface, the nail pushing assembly is provided with a second stopping surface, the first stopping surface faces the second stopping surface, and the nail pushing assembly slides towards the nail pushing seat during percussion until the first stopping surface is abutted against the second stopping surface. The utility model discloses shell subassembly and push away to be equipped with between the nail subassembly and end the bit architecture, the stroke that makes the ejector pin ware limits through this end bit architecture, is favorable to the more accurate control to sew up the shaping height of sewing up the nail.
Description
Technical Field
The utility model relates to a medical instrument, concretely relates to anastomat of adjustable suturing nail shaping height.
Background
The suturing nail forming height of the anastomat refers to the forming height of the suturing nail after the anastomat is fired, and the adjustable suturing nail forming height refers to the fact that the anastomat can be adjusted according to the thickness of the suturing tissue when in use, and the forming nail height of the thicker tissue is higher.
The stapler with the existing adjustable suturing nail forming height mainly sets a stopping structure on a head shell of the stapler, and the stopping structure is utilized to limit a percussion stroke, but the structure has the defects that the head shell belongs to a plastic piece and is single and thin in stopping structure, and in addition, the percussion force is large when in percussion, the head shell is easy to generate serious deformation, so that the control precision of the suturing nail forming height is low.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art not enough, the utility model aims to provide an anastomat of adjustable suturing nail shaping height to the shaping height that suturing nail was sewed up in more accurate control.
In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:
an stapler with adjustable staple forming height, comprising:
the nail taking device comprises a shell component, a nail bin is arranged at the far end of the shell component, and a suturing nail is arranged in the nail bin;
the nail pushing assembly is slidably arranged in the shell assembly, and a nail pusher used for pushing the suturing nail out of the nail bin is arranged at the far end of the nail pushing assembly;
the nail pushing assembly is arranged in the nail pushing assembly in a sliding mode, a distal end of the nail pushing assembly is provided with a nail pushing seat used for enabling the pushed-out suturing nail to be pushed against the formed nail pushing seat, the nail pushing seat extends out of the shell assembly, a nail pushing surface facing the nail bin is arranged on the nail pushing seat, and during operation, the tissue to be sutured is located between the nail pushing seat and the nail bin;
the inner wall of the shell component is provided with a first stop surface, the nail pushing component is provided with a second stop surface, the first stop surface faces the second stop surface, and the nail pushing component slides towards the nail abutting seat until the second stop surface abuts against the first stop surface when being triggered.
Optionally, a stop portion is convexly disposed on an inner wall of the housing assembly, and the first stop surface is located on the stop portion.
Optionally, the stop portion is a stop ring, the stop ring is sleeved on the periphery of the push pin assembly along with the housing assembly, and the first stop surface is an end surface of the stop ring facing the second stop surface.
Optionally, the stop ring is detachably disposed on the housing assembly.
Optionally, the shell subassembly includes outer tube and distal end shell, the distal end shell is connected the distal end of outer tube, the nail storehouse sets up the distal end of distal end shell, the outer tube with it is provided with the fitting pin to end between the ring, be provided with on the outer tube and be used for the cooperation to pack into the first pinhole of fitting pin, it is equipped with on the ring to end to be used for the cooperation to pack into the second pinhole of fitting pin.
Optionally, the number of the locking pins is at least two, and the locking pins are uniformly distributed along the circumferential direction of the housing assembly.
Optionally, the cross-sectional profile of the first pin hole is greater than the cross-sectional profile of the second pin hole, the locking pin includes a head portion fitted into the first pin hole and a rod portion fitted into the second pin hole, and the distal end housing has a connecting cylinder portion sleeved on the outer sleeve and blocking the locking pin.
Optionally, the staple pushing assembly comprises a staple pusher and a hollow firing rod, the staple pusher is detachably arranged at the far end of the firing rod, and the second stop surface is a step surface arranged on the outer wall of the firing rod.
Optionally, the nail pusher and the firing rod are connected through a buckle.
Optionally, the nail pushing assembly comprises a nail pushing seat and a central rod for driving the nail pushing seat to be far away from or close to the nail bin, and the central rod is arranged in the firing rod in a matching manner.
As mentioned above, the utility model has the advantages that:
the utility model discloses an among the anastomat of adjustable suturing nail shaping height, be provided with between shell subassembly and the nail pushing component and end the bit architecture, the stroke of nail pushing device limits through this bit architecture, and the nail pushing device no longer directly produces the impact to supporting the nail seat during the percussion, can avoid supporting the nail seat and take place to warp because of the percussion power is too big when the percussion, is favorable to the shaping height that more accurate control sewed up the nail.
Drawings
Fig. 1 is a schematic structural diagram of the stapler of the present invention;
FIG. 2 is an enlarged view taken at I in FIG. 1;
fig. 3 shows an exploded view of the stapler of the present invention;
FIG. 4 is an enlarged view taken at II in FIG. 3;
FIG. 5 shows an exploded view of a stop ring, locking pin and outer sleeve;
fig. 6 is a schematic view of the locking pin.
Part number description:
the surgical instrument comprises a shell component 1, a first stop surface 1a, a nail bin 11, an outer sleeve 12, a far-end shell 13, a stop ring 14 and a locking pin 15; a first pin hole 121, a connecting cylinder portion 131, a second pin hole 141, a head portion 151, and a rod portion 152;
the nail pushing component 2, a second stop surface 2a, a nail pusher 21, a firing rod 22, a clamping part 221 and a clamping hole 211;
the nail pushing component 3, a nail pushing surface 3a, a top groove 3b, a nail pushing seat 31, a first sub-center rod 32 and a second sub-center rod 33;
and (4) sewing the staples.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
In the embodiments described below, "distal" refers to the end that is relatively far from the operator, and "proximal" refers to the end that is relatively close to the operator.
With reference to fig. 1 to 6, the stapler with adjustable suturing nail forming height of the present invention comprises:
a shell component 1, wherein a nail box 11 is arranged at the far end of the shell component 1, and the nail 4 is arranged in the nail box 11;
the nail pushing assembly 2 is arranged in the shell assembly 1 in a sliding mode, and a nail pusher 21 used for pushing the suturing nails 4 out of the nail bin 11 is arranged at the far end of the nail pushing assembly 2;
the nail pushing assembly 3 is arranged in the nail pushing assembly 2 in a sliding manner, a distal end of the nail pushing assembly 3 is provided with a nail pushing seat 31 for pushing the pushed-out suturing nail 4 against the formed nail, the nail pushing seat 31 extends out of the housing assembly 1, the nail pushing seat 31 is provided with a nail pushing surface 3a facing the nail bin 11, and during operation, the tissue to be sutured is positioned between the nail pushing seat 31 and the nail bin 11;
the inner wall of the shell component 1 is provided with a first stop surface 1a, the nail pushing component 2 is provided with a second stop surface 2a, the first stop surface 1a faces the second stop surface 2a, when the nail pushing component 2 is triggered, the nail pushing component 2 slides towards the nail abutting seat 31 until the second stop surface 2a abuts against the first stop surface 1a, and the first stop surface 1a stops the nail pushing component 2.
When in anastomosis, the precursor makes the nail abutting seat 31 far away from the nail bin 11, so that the distance between the nail abutting seat 31 and the nail bin 11 is enough to be placed into the tissue to be sutured; then, the sutured tissue is placed between the nail abutting seat 31 and the nail bin 11, the nail abutting seat 31 is driven to be close to the nail bin 11, and the tissue is pressed between the nail bin 11 and the nail abutting seat 31; finally, the nail pushing assembly 2 moves towards the direction of the nail bin 11 along the shell assembly 1, so that the nail pusher 21 pushes out the sewing nails 4 in the nail bin 11, the sewing nails 4 penetrate through tissues and are formed under the extrusion effect of the nail pusher 21 and the top grooves 3b on the nail pushing surface 3a, the first stop surface 1a is arranged on the shell, the second stop surface 2a is arranged on the nail pushing assembly 2, and when the second stop surface 2a moves to the first stop surface 1a along with the nail pusher 21, the first stop surface 1a blocks the nail pushing assembly 2, so that the stop of the nail pusher 21 is realized. In the whole anastomotic process, the position of propping nail seat 31 can be adjusted according to the thickness of tissue, because first stop face 1a can end position to ejector pin ware 21, make the displacement of ejector pin ware 21 relative shell subassembly 1 be invariable, the displacement that also makes suturing nail 4 pushed out is the definite value, the shaping height of suturing nail 4 is decided by the position of propping nail seat 31, the position of propping nail seat 31 is big more with the distance of nail storehouse 11, the fashioned height of suturing nail 4 is big more, ejector pin ware 21 no longer leans on to prop nail seat 31 and ends the position, it is difficult for taking place deformation to prop nail seat 31, be favorable to the shaping height of more accurate control suturing nail 4.
In some embodiments, the inner wall of the housing assembly 1 is convexly provided with a stop portion, and the first stop surface 1a is located on the stop portion.
In some embodiments, the stop portion is a stop ring 14, the stop ring 14 is sleeved on the periphery of the push pin assembly 2 along with the housing assembly 1, and the first stop surface 1a is an end surface of the stop ring 14 facing the second stop surface 2 a.
In some embodiments, the stop ring 14 is detachably disposed on the housing assembly 1, and when the push pin assembly 2 is installed in the housing assembly 1, the stop ring 14 can be removed, so that the push pin assembly 2 can be smoothly installed in the housing assembly 1.
In some embodiments, the housing assembly 1 includes an outer sleeve 12 and a distal housing 13, the distal housing 13 is connected to a distal end of the outer sleeve 12, the cartridge 11 is disposed at a distal end of the distal housing 13, a locking pin 15 is disposed between the outer sleeve 12 and the stop ring 14, a first pin hole 121 for fitting the locking pin 15 is disposed on the outer sleeve 12, and a second pin hole 141 for fitting the locking pin 15 is disposed on the stop ring 14. The stop ring 14 can be mounted on the housing assembly 1 by simply inserting the locking pin 15 through the first pin hole 121 and the second pin hole 141 in this order.
In some embodiments, referring to fig. 5, the number of the locking pins 15 is two, and each locking pin 15 is uniformly distributed along the circumferential direction of the housing assembly 1, which is beneficial to make the stress of the stop ring 14 more uniform, that is, to make the deformation of each position of the stop ring 14 more uniform when the stop ring 14 is used for stopping, and is beneficial to avoid the stop ring 14 from being stuck between the outer sleeve 12 and the push pin assembly 2. In practical implementation, the number of the locking pins 15 may also be three or more.
In some embodiments, the cross-sectional profile of the first pin hole 121 is larger than the cross-sectional profile of the second pin hole 141, the locking pin 15 includes a head 151 fitted into the first pin hole 121 and a rod 152 fitted into the second pin hole 141, and the distal housing 13 has a connecting cylinder 131 sleeved on the outer sleeve 12 and blocking the locking pin 15. By adopting the structure, the locking pin 15 cannot move deeper towards the inner side of the nail pushing assembly 2 and cannot be separated from the outer side of the outer sleeve 12, the locking pin 15 is reliably positioned, the stop ring 14 can be prevented from being separated from the shell assembly 1, and the reliability of the whole anastomat is higher.
In some embodiments, the staple pushing assembly 2 comprises the staple pusher 21 and a hollow firing bar 22, the staple pusher 21 is detachably disposed at the distal end of the firing bar 22, and the second stop surface 2a is a step surface disposed on the outer wall of the firing bar 22.
In some embodiments, the staple pusher 21 and the firing bar 22 are connected by a snap fit. For example, the firing bar 22 is provided with a clamping portion 221, and the staple pusher 21 is provided with a clamping hole 211 for clamping the clamping portion 221.
In some embodiments, the staple abutting assembly 3 comprises the staple abutting seat 31 and a central rod for driving the staple abutting seat 31 away from or close to the staple cartridge 11, and the central rod is cooperatively disposed in the firing bar 22.
In some embodiments, the center rod is formed by connecting a first sub center rod 32 and a second sub center rod 33, and the nail seat 31 is connected with the first sub center rod.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not being in direct contact, but rather being in contact with each other via additional features between them. The third feature being "between" the first and second features may include the third feature being in direct contact with the first and second features, or the third feature being in contact with the first and second features, not directly, but via another feature therebetween.
In the description of the invention, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, components, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, and/or groups thereof.
Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An anastomat capable of adjusting forming height of suturing nail is characterized by comprising:
the nail taking device comprises a shell component, a nail bin is arranged at the far end of the shell component, and a suturing nail is arranged in the nail bin;
the nail pushing assembly is slidably arranged in the shell assembly, and a nail pusher used for pushing the suturing nail out of the nail bin is arranged at the far end of the nail pushing assembly;
the nail pushing assembly is arranged in the nail pushing assembly in a sliding mode, a distal end of the nail pushing assembly is provided with a nail pushing seat used for enabling the pushed-out suturing nail to be pushed against the formed nail pushing seat, the nail pushing seat extends out of the shell assembly, a nail pushing surface facing the nail bin is arranged on the nail pushing seat, and during operation, the tissue to be sutured is located between the nail pushing seat and the nail bin;
the inner wall of the shell component is provided with a first stop surface, the nail pushing component is provided with a second stop surface, the first stop surface faces the second stop surface, and the nail pushing component slides towards the nail abutting seat until the second stop surface abuts against the first stop surface when being triggered.
2. The stapler with adjustable staple forming height of claim 1, wherein: the inner wall of the shell component is convexly provided with a stop part, and the first stop surface is positioned on the stop part.
3. The stapler with adjustable staple forming height of claim 2, wherein: the stop part is a stop ring, the stop ring is sleeved on the periphery of the push pin component along with the shell component, and the first stop surface is an end surface of the stop ring facing the second stop surface.
4. The stapler with adjustable staple forming height of claim 3, wherein: the stop ring is detachably arranged on the shell component.
5. The stapler with adjustable staple forming height of claim 4, wherein: the shell subassembly includes outer tube and distal end shell, the distal end shell is connected the distal end of outer tube, the nail storehouse sets up the distal end of distal end shell, the outer tube with it is provided with the fitting pin to end between the ring, be provided with on the outer tube and be used for the cooperation to pack into the first pinhole of fitting pin, it is equipped with on the ring to end to be used for the cooperation to pack into the second pinhole of fitting pin.
6. The stapler with adjustable staple forming height of claim 5, wherein: the number of the locking pins is at least two, and the locking pins are uniformly distributed along the circumferential direction of the shell component.
7. The stapler with adjustable staple forming height of claim 5, wherein: the cross-sectional profile of the first pin hole is larger than that of the second pin hole, the locking pin comprises a head portion and a rod portion, the head portion is installed in the first pin hole in a matched mode, the rod portion is installed in the second pin hole in a matched mode, and the far-end shell is provided with a connecting cylinder portion which is sleeved on the outer sleeve and is blocked outside the locking pin.
8. The stapler with adjustable staple forming height of claim 1, wherein: the nail pushing assembly comprises a nail pusher and a hollow firing rod, the nail pusher is detachably arranged at the far end of the firing rod, and the second stop surface is a step surface arranged on the outer wall of the firing rod.
9. The stapler with adjustable staple forming height of claim 8, wherein: the nail pusher is connected with the firing rod through a buckle.
10. The stapler with adjustable staple forming height of claim 8, wherein: the nail pushing assembly comprises a nail pushing seat and a center rod, the center rod is used for driving the nail pushing seat to be far away from or close to the nail bin, and the center rod is arranged in the firing rod in a matching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020693246.2U CN212755771U (en) | 2020-04-29 | 2020-04-29 | Anastomat capable of adjusting suturing nail forming height |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020693246.2U CN212755771U (en) | 2020-04-29 | 2020-04-29 | Anastomat capable of adjusting suturing nail forming height |
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| Publication Number | Publication Date |
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| CN212755771U true CN212755771U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020693246.2U Active CN212755771U (en) | 2020-04-29 | 2020-04-29 | Anastomat capable of adjusting suturing nail forming height |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113907824A (en) * | 2021-11-17 | 2022-01-11 | 苏州法兰克曼医疗器械有限公司 | Sew up thickness adjustable electronic anastomat |
-
2020
- 2020-04-29 CN CN202020693246.2U patent/CN212755771U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113907824A (en) * | 2021-11-17 | 2022-01-11 | 苏州法兰克曼医疗器械有限公司 | Sew up thickness adjustable electronic anastomat |
| CN113907824B (en) * | 2021-11-17 | 2023-03-14 | 苏州法兰克曼医疗器械有限公司 | Sew up thickness adjustable electronic anastomat |
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