CN217827981U

CN217827981U - Clip applier

Info

Publication number: CN217827981U
Application number: CN202221262511.7U
Authority: CN
Inventors: 张雪莲
Original assignee: Jinling Medical Technology Changzhou Co ltd
Current assignee: Jinling Medical Technology Changzhou Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-11-18
Anticipated expiration: 2032-05-24

Abstract

The utility model provides a clip applier, which relates to the technical field of medical appliances; the clip applier comprises a clip handle assembly and a sleeve assembly; the forceps handle assembly comprises a fixed handle, a movable handle and a positioning structure; the sleeve pipe assembly is connected with the fixed handle and is abutted against the movable handle; the movable handle is connected with the fixed handle in a rotating mode, and the positioning structure is connected with the movable handle in a sliding mode so that the movable handle can be locked when reaching a half stroke through the positioning structure. The utility model provides a clamp of executing, through set up location structure in pincers handle subassembly for this location structure locks movable handle when movable handle to half stroke, realizes the accurate control of half stroke, avoids appearing the maloperation, reduces the operation degree of difficulty, guarantees the operation effect.

Description

Clip applier

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a execute clamp.

Background

Clip applier is a tool used in endoscopic surgery to apply ligation clips, typically used to close or ligate tubular tissue.

Clip appliers generally include a handle assembly and a cannula assembly; one end of the sleeve pipe assembly is connected with the forceps handle assembly, the other end of the sleeve pipe assembly is a forceps jaw, and a ligation clip is arranged at the forceps jaw; the clamp handle assembly comprises a movable handle, and the movable handle drives the clamp mouth in the sleeve assembly to open and close, so that the ligation clamp at the clamp mouth closes tubular tissues such as blood vessels.

When the existing clip applier is used for working, after the existing clip applier enters a surgical site, a doctor needs to firstly buckle the movable handle to a half stroke to open the jaws, and then buckle the movable handle again after the ligation clip at the jaw position is aligned to the tubular tissue to be closed, so as to close the tubular tissue; because the movable handle is completely manually operated when being buckled to the half stroke process, the half stroke is difficult to be accurately controlled, misoperation is easy to occur, and the operation effect is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problem that the maloperation easily appears when detaining movable handle who executes the clamp among the prior art to the half stroke, the utility model provides a execute clamp, should execute the clamp through set up half stroke location structure in pincers handle subassembly for when detaining movable handle to the half stroke, lock movable handle, thereby solved among the prior art detain the problem that the maloperation easily appears when executing movable handle to the half stroke of clamp.

The utility model provides a technical scheme that its technical problem adopted is:

an applicator clamp comprises a clamp handle assembly and a sleeve assembly; wherein the content of the first and second substances,

the forceps handle assembly comprises a fixed handle, a movable handle and a positioning structure;

the sleeve pipe assembly is connected with the fixed handle and is abutted against the movable handle;

the movable handle is connected with the fixed handle in a rotating mode, and the positioning structure is connected with the movable handle in a sliding mode so that the movable handle can be locked when reaching a half stroke through the positioning structure.

Optionally, the positioning structure comprises a fixed snap ring, a movable snap ring and a button; the inner side of the fixed snap ring is provided with a plurality of sliding grooves, and the outer side of the movable snap ring is provided with a plurality of convex blocks matched with the sliding grooves; the fixed clamp ring is fixedly connected with the fixed handle, and the movable clamp ring is connected with the movable handle; the button is connected with the fixed handle in a sliding manner; the fixed snap ring and the movable snap ring are connected with the lug through the sliding groove; the button is connected with the movable snap ring in an abutting mode.

Optionally, the fixing clasp is clamped with the fixing handle.

Optionally, the button comprises a pressing part and a first connecting part connected with the pressing part; the movable clamping ring comprises a second connecting part and a third connecting part which are mutually connected; the second connecting part is arranged in the first connecting part in a penetrating way; the fixed snap ring is sleeved on the outer side of the second connecting part.

Optionally, the positioning structure further comprises a reset structure, one end of the reset structure is connected with the fixed handle, and the other end of the reset structure is connected with the third connecting portion.

Optionally, the return structure comprises a first return spring.

Optionally, the return structure further comprises a spring fixing portion, one end of the first return spring is connected with the fixing handle, and the other end of the first return spring is connected with the spring fixing portion; the spring fixing part is arranged in the fixing clamping ring and is abutted against the third connecting part.

Optionally, the positioning structure further includes a second return spring, and the second return spring is sleeved on the outer side of the first connecting portion.

Optionally, the cannula assembly is removably connected to the stationary handle.

Optionally, the sleeve assembly is threadedly connected to the stationary handle.

The utility model has the advantages that:

the utility model provides a clamp of executing, through set up location structure in pincers handle subassembly for this location structure locks movable handle when movable handle to half stroke, realizes the accurate control of half stroke, avoids appearing the maloperation, reduces the operation degree of difficulty, guarantees the operation effect.

Drawings

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

FIG. 1 is a schematic view of the structure of the clip applier of the present invention;

FIG. 2 is an exploded view of the positioning structure of the present invention;

fig. 3 is an exploded view of the middle plier handle assembly of the present invention;

fig. 4 is an exploded view of the clip applier of the invention.

In the figure: 1-a forceps handle assembly; 11-a fixed handle; 12-a movable handle; 121-a slide hole; 13-a positioning structure; 131-fixing a snap ring; 1311-a chute; 132-a removable snap ring; 1321-bumps; 1322-a second connecting portion; 1323-a third connection; 133-a button; 1331-a pressing part; 1332-a first connection; 134-a reset configuration; 1341-a first return spring; 1342-a spring fixing part; 135-a second return spring; 14-a pin shaft; 2-sleeve assembly.

Detailed Description

The present invention will now be described in further detail. The following embodiments are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "first" and "second" are used merely for simplifying the description, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In order to solve the problem that misoperation is easy to occur when a movable handle of the clip applier is buckled to a half stroke in the prior art, the utility model provides a clip applier which comprises a clip handle component 1 and a sleeve component 2, and is shown in figures 1, 3 and 4; the forceps handle assembly 1 comprises a fixed handle 11, a movable handle 12 and a positioning structure 13; the sleeve assembly 2 is connected with the fixed handle 11 and is abutted with the movable handle 12; the movable handle 12 is rotatably connected with the fixed handle 11, and the positioning structure 13 is slidably connected with the movable handle 12, so that the movable handle 12 is locked by the positioning structure 13 when the movable handle 12 reaches a half stroke.

Specifically, one end of the sleeve assembly 2 is fixedly connected with a fixed handle 11 and is abutted with a movable handle 12; the other end of the sleeve assembly 2 is provided with a jaw, and a ligation clip is arranged at the jaw; the forceps handle assembly 1 further comprises a pin shaft 14, and the fixed handle 11 is rotatably connected with the movable handle 12 through the pin shaft 14; meanwhile, as shown in fig. 3, a sliding hole 121 is formed in the movable handle 12, and the positioning structure 13 is movably connected with the movable handle 12 through the sliding hole 121; in the operation process, the movable handle 12 is buckled, so that the movable handle 12 and the fixed handle 11 rotate relatively, the positioning structure 13 slides along the sliding hole 121, and meanwhile, the jaw at the other end of the sleeve pipe assembly 2 is driven to open or close through the movable handle 12; when the movable handle 12 reaches a half stroke, the jaw of the sleeve assembly 2 is opened, and at the moment, under the action of the positioning structure 13, the movable handle 12 is locked and cannot be buckled, so that misoperation is avoided; after the ligation clip at the jaw position is aligned with the tubular tissue, the positioning structure 13 is unlocked, the movable handle 12 is continuously buckled, the jaw of the sleeve assembly 2 is driven to be closed, and the ligation clip is enabled to close the tubular tissue.

The inner structure of the sleeve assembly 2 and the principle of the movable handle 12 driving the sleeve assembly 2 to work are described in the related art, and the inner structure of the sleeve assembly 2 is not improved, so that the detailed description of the structure is omitted.

The utility model provides a clamp of executing, through set up location structure 13 in pincers handle subassembly 1 for this location structure 13 locks movable handle 12 when movable handle 12 is to half-stroke, realizes the accurate control of half-stroke, avoids appearing the maloperation, reduces the operation degree of difficulty, guarantees the operation effect.

Referring to fig. 2 and 3, the positioning structure 13 of the present invention includes a fixed clasp 131, a movable clasp 132, and a button 133; the fixed snap ring 131 is sleeved outside the movable snap ring 132, the inner side of the fixed snap ring 131 is provided with a plurality of sliding grooves 1311, the outer side of the movable snap ring 132 is provided with a plurality of convex blocks 1321 matched with the sliding grooves 1311, and each convex block 1321 is arranged in the corresponding sliding groove 1311; the width of the chute 1311 is preferably greater than the width of the bump 1321, so that the bump 1321 can move within the area defined by the chute; the button 133 is abutted against the movable snap ring 132, when the button 133 is pressed, the movable snap ring 132 is stressed, and the lug 1321 slides in the sliding groove 1311; the fixed clamping ring 131 is fixedly connected with the fixed handle 11, and preferably, the fixed clamping ring 131 is clamped with the fixed handle 11; the movable clamping ring 132 is connected with the movable handle 12, and preferably, the movable clamping ring 131 is arranged in the movable handle 12 in a penetrating way through the sliding hole 121; the button 133 is slidably connected to the stationary handle 11.

In the operation process, the movable handle 12 is buckled, and the movable handle 12 rotates around the pin shaft 14; because the movable snap ring 131 is inserted into the movable handle 12 and connected to the movable handle 12, when the movable handle 12 rotates, the movable snap ring 131 slides in the sliding hole 121 of the movable handle 12, and the protrusion 1321 rotates in the sliding slot 1311; when the movable handle 12 reaches a half stroke, the jaw is opened to the maximum, the lug 1321 is abutted against the side wall of the chute 1311 at this time, the movable handle 12 cannot rotate continuously along the original direction, the movable handle 12 is locked at the half stroke, and misoperation is avoided; when the ligation clip at the jaw position is aligned with the tubular tissue, the button 133 is pressed, and the movable clamp ring 131 is pushed by the button 133 to move along the self axial direction, so that the lug 1321 is disengaged from the sliding groove 1311, and the movable handle 12 is locked in a contact manner; the movable handle 12 is further pulled to close the jaws of the cannula assembly 2, thereby causing the ligation clip to close the tubular tissue.

In order to facilitate the assembly and disassembly, the fixing clasp 131 is preferably connected with the fixing handle 11.

In order to improve the stability of the positioning structure 13, the button 133 of the present invention preferably includes a pressing portion 1331 and a first connecting portion 1332 connected to the pressing portion 1331; the movable clip 132 includes a second connection portion 1322 and a third connection portion 1323 connected to each other; the second connecting portion 1322 is disposed through the first connecting portion 1332; the fixing ring 131 is disposed at the outer side of the second connecting portion 1322, and the protrusion 1321 is disposed at the outer side of the second connecting portion 1322.

When the movable handle 12 is buckled, the second connecting part 1322 rotates in the first connecting part 1332, and meanwhile, the projection 1321 rotates in the chute 1311, so that the movable clamp ring 132 is prevented from being separated from the button 133 while the movable handle 12 is locked at a half stroke, and the stability is improved; when the ligation clip at the jaw position is aligned to the tubular tissue, the pressing portion 1331 is pressed, the movable clamp ring 131 is pushed to move axially along the self by the first connecting portion 1332 connected with the pressing portion 1331, the movable clamp ring 132 is prevented from being separated from the button 133 while the movable handle 12 is locked by the contact, and the stability is improved.

In order to enable the movable snap ring 132 to automatically reset, the positioning structure 13 of the present invention further includes a reset structure 134, one end of the reset structure 134 is connected to the fixed handle 11, and the other end is connected to the third connecting portion 1323; after the pressing portion 1331 is released, the movable snap ring 132 is restored to the original position under the action of the reset structure 13, so that the projection 1321 enters the corresponding sliding slot 1311, so as to lock the half-stroke movable handle 12 in the next operation.

The return structure 134 includes a first return spring 1341, and when the pressing portion 1331 is pressed, the first return spring 1341 is compressed; after the pressing portion 1331 is released, the movable snap ring 132 is restored to the original position by the elastic force of the first return spring 1341.

The preferred reset structure 134 of the present invention further comprises a spring fixing portion 1342, one end of the first reset spring 1341 is connected to the fixing handle 11, and the other end is connected to the spring fixing portion 1342; the spring fixing portion 1342 is disposed in the fixing clip 131, and the spring fixing portion 1342 abuts against the third connecting portion 1323.

Through setting up spring fixed part 1342, when movable handle 12 drove movable clasp 132 and rotates, because spring fixed part 1342 does not rotate with third connecting portion 1323 fixed connection, consequently, spring fixed part 1342 does not rotate along with movable clasp 132 to avoid first reset spring 1341 to rotate along with movable clasp 132, improve the stability of first reset structure 134 on the one hand, on the other hand prolongs its life.

Further, in order to realize the automatic reset of the button 133, the positioning structure 13 of the present invention further includes a second return spring 135, and the second return spring 135 is sleeved outside the first connection portion 1332; specifically, one end of the second return spring 135 abuts against the movable handle 12, and the other end abuts against the pressing portion 1331; when the pressing portion 1331 is pressed, the second return spring 135 is compressed; when the pressing portion 1331 is released, the pressing portion 1331 is restored to its original position by the elastic force of the second return spring 1331.

In addition, the clamp handle assembly 1 and the sleeve assembly 2 in the existing clamp applying forceps are generally of an integrated structure, so that the operations of cleaning, disinfection and the like are inconvenient; the utility model discloses preferred thimble assembly 2 can dismantle with fixed handle 11 and be connected to further preferred thimble assembly 2 passes through threaded connection with fixed handle 11, so that reduce the operation degree of difficulty such as washing, disinfection.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made 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 description, and must be determined according to the scope of the claims.

Claims

1. The clip applier is characterized by comprising a clip handle assembly (1) and a sleeve assembly (2); wherein the content of the first and second substances,

the forceps handle assembly (1) comprises a fixed handle (11), a movable handle (12) and a positioning structure (13);

the sleeve assembly (2) is connected with the fixed handle (11) and is abutted against the movable handle (12);

activity handle (12) with fixed handle (11) rotate to be connected, just location structure (13) with activity handle (12) sliding connection, so that when activity handle (12) are to half stroke, through location structure (13) are right activity handle (12) lock.

2. The clip applier according to claim 1, wherein said positioning structure (13) comprises a fixed snap ring (131), a movable snap ring (132) and a button (133); a plurality of sliding grooves (1311) are formed in the inner side of the fixed clamping ring (131), and a plurality of protruding blocks (1321) matched with the sliding grooves (1311) are formed in the outer side of the movable clamping ring (132); the fixed clamping ring (131) is fixedly connected with the fixed handle (11), and the movable clamping ring (132) is connected with the movable handle (12); the button (133) is connected with the fixed handle (11) in a sliding way; the fixed snap ring (131) and the movable snap ring (132) are connected with the projection (1321) through the sliding groove (1311); the button (133) is abutted against the movable snap ring (132).

3. The clip applier of claim 2, wherein said retaining collar (131) is snap-fitted to said retaining handle (11).

4. The clip applier according to claim 2, wherein said button (133) comprises a pressing portion (1331), and a first connecting portion (1332) connected to said pressing portion (1331); the movable snap ring (132) comprises a second connecting part (1322) and a third connecting part (1323) which are connected with each other; the second connecting part (1322) is arranged in the first connecting part (1332) in a penetrating way; the fixing clamp ring (131) is sleeved on the outer side of the second connecting portion (1322).

5. The clip applier according to claim 4, characterized in that said positioning structure (13) further comprises a return structure (134), said return structure (134) being connected at one end to said fixed handle (11) and at the other end to said third connecting portion (1323).

6. The clip applier of claim 5, wherein the return structure (134) comprises a first return spring (1341).

7. The clip applier of claim 6, wherein said return structure (134) further comprises a spring fixing portion (1342), one end of said first return spring (1341) being connected to said fixing handle (11) and the other end being connected to said spring fixing portion (1342); the spring fixing part (1342) is arranged in the fixing snap ring (131), and the spring fixing part (1342) is abutted against the third connecting part (1323).

8. The clip applier according to claim 4, wherein said positioning structure (13) further comprises a second return spring (135), said second return spring (135) being sleeved outside said first connection portion (1332).

9. The clip applier according to any one of claims 1 to 8, wherein said sleeve assembly (2) is removably connected to said stationary handle (11).

10. The clip applier according to claim 9, wherein said sleeve assembly (2) is screwed to said fixing handle (11).