CN215129361U

CN215129361U - Be applied to anastomat of medical surgery

Info

Publication number: CN215129361U
Application number: CN202021379156.2U
Authority: CN
Inventors: 刘丽娜
Original assignee: Huarong Kechuang Biotechnology Tianjin Co ltd
Current assignee: Huarong Kechuang Biotechnology Tianjin Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-12-14
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a be applied to medical surgery's anastomat, including the casing, the right side fixed mounting of casing bottom has the grip handle, is provided with safety mechanism on the grip handle, and safety mechanism comprises recess, threaded rod, gag lever post, is provided with on the casing to be located the left firing mechanism of grip handle. The utility model discloses mutually supporting of position pole can support tightly the percussion handle, thereby improve the stability of percussion handle, and then cause the condition that the percussion handle triggers by mistake when reducing medical personnel and taking this anastomat, the practicality of this anastomat has been improved, promote the sliding ring to the right side, drive two extrusion pieces through the sliding ring and remove right and separate with two spring steel limiting plates respectively, the elasticity of spring steel limiting plate self can make spring steel limiting plate and spacing groove separation this moment, and outside pulling bracing piece can make bracing piece and casing separation, thereby can be convenient for medical personnel to change the subassembly that coincide, the practicality of this anastomat has been improved.

Description

Be applied to anastomat of medical surgery

Technical Field

The utility model relates to an anastomat, in particular to an anastomat applied to medical surgery.

Background

The anastomat is the first stapler in the world, is used for gastrointestinal anastomosis for nearly a century, and is widely used for gastrointestinal surgery until 1978, the tubular anastomat is a device used in medicine to replace the traditional manual suturing, and due to the development of modern science and technology and the improvement of manufacturing technology, the anastomat used clinically has the advantages of reliable quality, convenience in use, tightness and proper tightness, particularly has the advantages of quick suturing, simplicity and convenience in operation, few side effects and surgical complications and the like, and can be used for excising the focus of a tumor operation which cannot be excised in the past.

When medical personnel hold the handle before using, the condition of false triggering can appear in current anastomat, in case the false triggering not only can cause the waste of resource, can cause the injury to the patient moreover to influence the practicality of anastomat. We have therefore developed an improved stapler for use in medical surgery.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an anastomat applied to medical surgery, which comprises a shell, a holding handle is fixedly arranged at the right side of the bottom of the shell, a safety mechanism is arranged on the holding handle, the safety mechanism consists of a groove, a threaded rod and a limiting rod, a firing mechanism positioned at the left side of the holding handle is arranged on the shell, the firing mechanism consists of a transverse rod, a firing block, a first spring, a rotating shaft, a firing handle, a connecting shaft and a sliding groove, mounting grooves positioned at the left side of the firing block are respectively arranged at the top of an inner cavity of the shell and the bottom of the inner cavity, and through holes are respectively arranged on two mounting grooves;

the left side of casing is provided with the mechanism of coincide, the mechanism of coincide comprises bracing piece, firing bar, stopper, third spring, nail storehouse, supports nail seat and spacing groove, the quantity of spacing groove is two, two the right side at bracing piece top and bottom is seted up respectively to the spacing groove, set up and locking mechanism between casing and the bracing piece, locking mechanism comprises two spring steel limiting plates, a sliding ring, two extrusion pieces and two second springs.

As a preferred technical scheme of the utility model, the recess is seted up on the grip handle, the surface of threaded rod passes through the inner wall on bearing and recess right side and links to each other, gag lever post threaded connection is on the surface of threaded rod, and the both sides of gag lever post all with the inner wall sliding connection of casing.

As a preferred technical scheme of the utility model, horizontal pole fixed mounting is in the inside of casing, the inner wall of percussion piece and the surface sliding connection of horizontal pole, first spring setting just is located the right side of percussion piece on the surface of horizontal pole, the both ends of first spring respectively with percussion piece and casing fixed connection.

As a preferred technical scheme of the utility model, pivot fixed mounting in the inside of casing and with the left side of gag lever post, the middle part of percussion handle is established on the surface of pivot through the bearing housing, the outside that the casing and extended to the casing bottom is passed to the bottom of percussion handle, the spout is seted up on the percussion handle, connecting axle fixed mounting is in the front of percussion piece, the surface of connecting axle and the inner wall sliding connection of spout.

As a preferred technical scheme of the utility model, the right-hand member of bracing piece and the inner wall of casing alternate to be connected and lie in between two mounting grooves, the surface of stopper alternates with the inner wall of bracing piece to be connected, the surface of percussion lever cup joints with the inner wall of stopper is fixed, the right-hand member of percussion lever runs through the bracing piece and extends to the inside of casing and with the left surface contact of percussion piece.

As a preferred technical scheme of the utility model, the left end and the nail storehouse fixed connection of bracing piece, support nail seat fixed mounting on the casing and be located the left side of nail storehouse, the third spring sets up the surface at the firing bar and is located the right side of stopper, the left end and the stopper fixed connection of third spring, the right-hand member and the bracing piece fixed connection of third spring.

As a preferred technical scheme of the utility model, two spring steel limiting plate fixed mounting respectively is in the inside of two mounting grooves and is pegged graft with the inner wall of two spacing grooves is supporting respectively, the sliding ring alternates to be connected at the surface of casing, two the extrusion piece is fixed mounting respectively in the top of sliding ring inner chamber and the bottom of inner chamber, two the one end that the extrusion piece is close to each other runs through two through-holes respectively and extends to the inside of two mounting grooves respectively and contacts with two spring steel limiting plates respectively.

As a preferred technical scheme of the utility model, two the second spring sets up the inside at two mounting grooves respectively, the one end and the extrusion piece fixed connection of second spring, the other end and the mounting groove fixed connection of second spring.

The utility model has the advantages that: this kind of be applied to medical surgery's anastomat, can support the percussion handle tightly through mutually supporting of threaded rod and gag lever post, thereby improve the stability of percussion handle, and then reduce the condition that causes the percussion handle spurious triggering when medical personnel take this anastomat, the practicality of this anastomat has been improved, promote the sliding ring to the right side, drive two extrusion blocks through the sliding ring and remove right and separate with two spring steel limiting plates respectively, the elasticity of spring steel limiting plate self can make spring steel limiting plate and spacing groove separation this moment, and outside pulling bracing piece can make bracing piece and casing separation, thereby can be convenient for medical personnel to change the subassembly that coincide, the practicality of this anastomat has been improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of an anastomat for medical surgery according to the present invention;

fig. 2 is a front view schematically showing the structure of an anastomat used in medical surgery according to the present invention;

FIG. 3 is a schematic structural view of a limiting groove of an anastomat for medical surgery according to the present invention;

fig. 4 is a schematic view showing an internal structure of a housing of an anastomat applied to medical surgery according to the present invention;

FIG. 5 is an enlarged schematic view of an anastomat of the present invention at A in FIG. 1;

fig. 6 is an enlarged schematic view of the stapler of the present invention applied to medical surgery, at B in fig. 1.

In the figure: 1. a housing; 2. a grip handle; 3. a cross bar; 4. a percussion block; 5. a first spring; 6. A rotating shaft; 7. a firing handle; 8. a connecting shaft; 9. a chute; 10. a groove; 11. a threaded rod; 12. a limiting rod; 13. mounting grooves; 14. a through hole; 15. a spring steel limiting plate; 16. a slip ring; 17. extruding the block; 18. a second spring; 19. a support bar; 20. a firing bar; 21. a limiting block; 22. a third spring; 23. a staple cartridge; 24. a nail abutting seat; 25. a limiting groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-6, the utility model relates to an anastomat applied to medical surgery, which comprises a shell 1, a holding handle 2 is fixedly installed on the right side of the bottom of the shell 1, a safety mechanism is arranged on the holding handle 2, the safety mechanism is composed of a groove 10, a threaded rod 11 and a limiting rod 12, a firing mechanism positioned on the left side of the holding handle 2 is arranged on the shell 1, the firing mechanism is composed of a cross rod 3, a firing block 4, a first spring 5, a rotating shaft 6, a firing handle 7, a connecting shaft 8 and a sliding groove 9, mounting grooves 13 positioned on the left side of the firing block 4 are respectively arranged on the top of the inner cavity of the shell 1 and the bottom of the inner cavity, and through holes 14 are respectively arranged on the two mounting grooves 13;

the left side of the shell 1 is provided with an anastomosis mechanism, the anastomosis mechanism comprises a support rod 19, a firing rod 20, limiting blocks 21, a third spring 22, a nail bin 23, a nail abutting seat 24 and limiting grooves 25, the number of the limiting grooves 25 is two, the two limiting grooves 25 are respectively arranged on the right side of the top of the support rod 19 and the right side of the bottom of the support rod, a locking mechanism is arranged between the shell 1 and the support rod 19, and the locking mechanism comprises two spring steel limiting plates 15, a sliding ring 16, two extrusion blocks 17 and two second springs 18.

Wherein, recess 10 is seted up on gripping handle 2, the surface of threaded rod 11 passes through the inner wall that the bearing links to each other with recess 10 right side, gag lever post 12 threaded connection is on threaded rod 11's surface, and gag lever post 12's both sides all with casing 1's inner wall sliding connection, can support tightly trigger handle 7 through mutually supporting of threaded rod 11 and gag lever post 12, thereby improve trigger handle 7's stability, and then cause trigger handle 7 false triggering's the condition when reducing medical personnel and taking this anastomat, the practicality of this anastomat has been improved.

Wherein, 3 fixed mounting of horizontal pole are in the inside of casing 1, and the inner wall of percussion piece 4 and the surface sliding connection of horizontal pole 3, first spring 5 set up on the surface of horizontal pole 3 and be located the right side of percussion piece 4, the both ends of first spring 5 respectively with percussion piece 4 and casing 1 fixed connection, can pull percussion piece 4 and remove right messenger percussion piece 4 and reset after loosening percussion handle 7 through the effort of first spring 5.

Wherein, pivot 6 fixed mounting just with the left side of gag lever post 12 in the inside of casing 1, the middle part of percussion handle 7 is established on the surface of pivot 6 through the bearing housing, the bottom of percussion handle 7 passes casing 1 and extends to the outside of casing 1 bottom, spout 9 is seted up on percussion handle 7, connecting axle 8 fixed mounting is in the front of percussion piece 4, the surface of connecting axle 8 and the inner wall sliding connection of spout 9, press percussion handle 7, percussion handle 7 promotes percussion piece 4 through the cooperation of spout 9 and connecting axle 8 and removes to nail storehouse 23 direction, promote percussion bar 20 and nail storehouse 23 through percussion piece 4 and remove to propping nail seat 24, thereby this anastomat of percussion.

Wherein, the right-hand member of bracing piece 19 and the inner wall of casing 1 alternate to be connected and lie in between two mounting grooves 13, the surface of stopper 21 alternates with the inner wall of bracing piece 19 to be connected, the surface of firing rod 20 cup joints with the inner wall of stopper 21 is fixed, the right-hand member of firing rod 20 runs through bracing piece 19 and extends to casing 1's inside and with the left surface contact of firing piece 4, can support and restrict firing rod 20 through setting up stopper 21, thereby it is more steady when making firing rod 20 remove.

Wherein, the left end and the nail storehouse 23 fixed connection of bracing piece 19, support nail seat 24 fixed mounting on casing 1 and be located the left side of nail storehouse 23, third spring 22 sets up the surface at firing bar 20 and be located the right side of stopper 21, the left end and the stopper 21 fixed connection of third spring 22, the right-hand member and the bracing piece 19 fixed connection of third spring 22, unclamp the firing handle 7 after the firing is accomplished, the effort of first spring 5 pulls the firing piece 4 to the handle for gripping 2 removal this moment, the effort of third spring 22 can make the nail storehouse 23 reset this moment.

Wherein, two spring steel limit plates 15 are respectively and fixedly installed inside the two mounting grooves 13 and respectively matched with the inner walls of the two limit grooves 25 for insertion, a slip ring 16 is inserted and connected on the outer surface of the shell 1, two extrusion blocks 17 are respectively and fixedly installed on the top of the inner cavity of the slip ring 16 and the bottom of the inner cavity, one ends of the two extrusion blocks 17 close to each other respectively penetrate through the two through holes 14 and respectively extend to the inside of the two mounting grooves 13 and respectively contact with the two spring steel limit plates 15, the slip ring 16 is pushed to the right side, the two extrusion blocks 17 are driven to move rightwards through the slip ring 16 and respectively separate from the two spring steel limit plates 15, at the moment, the elasticity of the spring steel limit plates 15 can lead the spring steel limit plates 15 to separate from the limit grooves 25, and the support rod 19 can be separated from the shell 1 by pulling the support rod 19 outwards, thereby being convenient for medical personnel to replace the anastomotic component, the practicability of the anastomat is improved.

Wherein, two second springs 18 set up respectively in the inside of two mounting grooves 13, the one end and the extrusion piece 17 fixed connection of second spring 18, the other end and the mounting groove 13 fixed connection of second spring 18, the elasticity of second spring 18 is greater than the elasticity of spring steel limiting plate 15, can promote extrusion piece 17 and drive slip ring 16 and remove left through second spring 18 to improve slip ring 16's stability.

When the stapler works, firstly, the tissue positioning nails are placed in the nail bin 23, then the threaded rod 11 is rotated, the threaded rod 11 drives the limiting rod 12 to move towards the holding handle 2, and the limiting rod 12 retracts into the groove 10, so that the limiting rod 12 is separated from the firing handle 7, namely, the limitation of the limiting rod 12 on the firing handle 7 is removed, then the firing handle 7 is pressed, at the moment, the firing handle 7 pushes the firing block 4 to move towards the nail bin 23 through the matching of the sliding chute 9 and the connecting shaft 8, the firing rod 20 and the nail bin 23 are pushed to move towards the nail abutting seat 24 through the firing block 4, so that the stapler is fired, the firing handle 7 is loosened after the firing is finished, at the moment, the acting force of the first spring 5 pulls the firing block 4 to move towards the holding handle 2, at the moment, the acting force of the third spring 22 can reset the nail bin 23, the sliding ring 16 is pushed to the right side, the two extrusion blocks 17 are driven by the sliding ring 16 to move rightwards and are respectively separated from the two spring steel limiting plates 15, at the moment, the elasticity of the spring steel limit plate 15 can separate the spring steel limit plate 15 from the limit groove 25, the support rod 19 can separate the support rod 19 from the shell 1 by pulling the support rod 19 outwards, then the support rod 19 on the new anastomosis mechanism is inserted into the shell 1, then the sliding ring 16 is pushed leftwards, the two extrusion blocks 17 are driven by the sliding ring 16 to respectively extrude the two spring steel limit plates 15, the two spring steel limit plates 15 are respectively clamped into the two limit grooves 25 to lock and fix the support rod 19, thereby being convenient for medical personnel to replace the anastomosis component, improving the practicability of the anastomat, the percussion handle 7 can be tightly supported by the mutual matching of the threaded rod 11 and the limit rod 12, further improving the stability of the percussion handle 7, and further reducing the condition that the percussion handle 7 is triggered by mistake when the medical personnel take the anastomat, the practicability of the anastomat is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The anastomat applied to the medical surgery is characterized by comprising a shell (1), a holding handle (2) is fixedly installed on the right side of the bottom of the shell (1), a safety mechanism is arranged on the holding handle (2), the safety mechanism is composed of a groove (10), a threaded rod (11) and a limiting rod (12), a firing mechanism located on the left side of the holding handle (2) is arranged on the shell (1), the firing mechanism is composed of a cross rod (3), a firing block (4), a first spring (5), a rotating shaft (6), a firing handle (7), a connecting shaft (8) and a sliding groove (9), mounting grooves (13) located on the left side of the firing block (4) are formed in the top of an inner cavity of the shell (1) and the bottom of the inner cavity, and through holes (14) are formed in the two mounting grooves (13);

the left side of casing (1) is provided with the mechanism that coincide, the mechanism that coincide comprises bracing piece (19), firing rod (20), stopper (21), third spring (22), nail storehouse (23), support nail seat (24) and spacing groove (25), the quantity of spacing groove (25) is two, two the right side at bracing piece (19) top and the right side of bottom are seted up respectively in spacing groove (25), set up and locking mechanism between casing (1) and bracing piece (19), locking mechanism comprises two spring steel limiting plate (15), a sliding ring (16), two extrusion piece (17) and two second spring (18).

2. The stapler for medical surgery according to claim 1, wherein the groove (10) is opened on the grip handle (2), the outer surface of the threaded rod (11) is connected with the inner wall of the right side of the groove (10) through a bearing, the limiting rod (12) is connected with the outer surface of the threaded rod (11) in a threaded manner, and both sides of the limiting rod (12) are connected with the inner wall of the housing (1) in a sliding manner.

3. The stapler applied to medical surgery is characterized in that the cross rod (3) is fixedly installed inside the housing (1), the inner wall of the firing block (4) is slidably connected with the outer surface of the cross rod (3), the first spring (5) is arranged on the outer surface of the cross rod (3) and positioned at the right side of the firing block (4), and two ends of the first spring (5) are fixedly connected with the firing block (4) and the housing (1) respectively.

4. The anastomat applied to the medical surgery is characterized in that the rotating shaft (6) is fixedly installed inside the shell (1) and on the left side of the limiting rod (12), the middle of the firing handle (7) is sleeved on the outer surface of the rotating shaft (6) through a bearing, the bottom end of the firing handle (7) penetrates through the shell (1) and extends to the outside of the bottom end of the shell (1), the sliding groove (9) is formed in the firing handle (7), the connecting shaft (8) is fixedly installed on the front face of the firing block (4), and the outer surface of the connecting shaft (8) is in sliding connection with the inner wall of the sliding groove (9).

5. The anastomat applied to the medical surgery is characterized in that the right end of the supporting rod (19) is connected with the inner wall of the shell (1) in an inserting mode and located between the two installation grooves (13), the outer surface of the limiting block (21) is connected with the inner wall of the supporting rod (19) in an inserting mode, the outer surface of the firing rod (20) is fixedly sleeved with the inner wall of the limiting block (21), and the right end of the firing rod (20) penetrates through the supporting rod (19), extends into the shell (1) and contacts with the left side face of the firing block (4).

6. The stapler applied to medical surgery according to claim 1, wherein the left end of the support rod (19) is fixedly connected with the nail bin (23), the nail abutting seat (24) is fixedly installed on the shell (1) and located at the left side of the nail bin (23), the third spring (22) is arranged on the outer surface of the firing rod (20) and located at the right side of the limit block (21), the left end of the third spring (22) is fixedly connected with the limit block (21), and the right end of the third spring (22) is fixedly connected with the support rod (19).

7. The anastomat applied to the medical surgery department is characterized in that the two spring steel limiting plates (15) are fixedly installed inside the two installation grooves (13) respectively and are matched and inserted with the inner walls of the two limiting grooves (25) respectively, the sliding ring (16) is connected to the outer surface of the shell (1) in an inserting mode, the two extrusion blocks (17) are fixedly installed at the top of the inner cavity of the sliding ring (16) and the bottom of the inner cavity respectively, and one ends, close to each other, of the two extrusion blocks (17) penetrate through the two through holes (14) respectively and extend into the two installation grooves (13) respectively and are in contact with the two spring steel limiting plates (15) respectively.

8. The stapler for medical surgery according to claim 1, wherein two second springs (18) are respectively disposed inside two mounting grooves (13), one end of the second spring (18) is fixedly connected with the pressing block (17), and the other end of the second spring (18) is fixedly connected with the mounting groove (13).