CN217827982U

CN217827982U - Novel front-clamping type clip applier

Info

Publication number: CN217827982U
Application number: CN202221820808.0U
Authority: CN
Inventors: 王薛凯
Original assignee: Nahua Biotechnology Changzhou Co ltd
Current assignee: Changzhou Yizhou Medical Equipment Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-11-18
Anticipated expiration: 2032-07-15

Abstract

The application relates to a novel front-clamping type clip applier, which relates to the technical field of medical instruments and comprises an inner core rod, a clamping tong head, a tong pipe, an extension pipe and a rotating ring, wherein the rotating ring is sleeved on the peripheries of the tong pipe and the extension pipe and is used for connecting the tong pipe and the extension pipe, the inner core rod is positioned in the tong pipe, one end of the inner core rod is hinged with the clamping tong head, and the other end of the inner core rod penetrates through the extension pipe; the front movable clamp handle and the rear fixed clamp handle are hinged at the intersection; one end of the inner core rod extending out of the extension tube is a ball head; the top end of the front movable plier handle is provided with a circular groove with a circular cross section, the front movable plier handle is positioned at one end of the circular groove facing the inner core rod and provided with an opening, and the ball head is positioned in the circular groove through the opening and is hinged with the front movable plier handle; the top end of the rear fixed clamp handle is fixedly arranged with the extension pipe. The front-clamping type clip applier has the effect that the front-clamping type clip applier can be opened under the condition that the spring fails, and a doctor can conveniently have certain fault tolerance in the operation.

Description

Novel front-clamping type clip applier

Technical Field

The utility model belongs to the technical field of medical instrument and specifically relates to a novel preceding clamp formula execute clamp.

Background

Currently, in the clinical laparoscopic surgery, ligature clips such as the Hem-o-lok ligature clip are often used to treat small blood vessels. The ligature clips are often quite small and can only be operated by a tool such as a clip applier. The clip applier generally has two types, a front clip type and a rear clip type.

Chinese patent with publication number CN206729930U discloses a clip applier, belonging to the clip applier with front clip. It includes the pincers handle, the pincers pipe, the inner core pole, pincers seat and centre gripping binding clip, the pincers handle is including fixed pincers handle and removal pincers handle, fixed pincers handle is connected with the pincers pipe, the inner core pole sets up in the pincers pipe, the centre gripping binding clip is located the side that the pincers handle was kept away from to the pincers pipe, and the centre gripping binding clip sets up on the pincers seat, carry out the centre gripping operation through pincers seat control centre gripping binding clip, the fixed cover that is provided with on the inner core pole, and the cover is equipped with the spring on the inner core pole, the spring is located the one side that fixed cover is close to the pincers seat, the one end that the spring is close to fixed cover is contradicted in fixed cover surface, the one end that fixed cover was kept away from to the spring is contradicted on the pincers seat.

Chinese patent with publication number CN203303104U discloses a clip applier for endoscopic surgery, belonging to a clip applier with a back clip. The novel pliers comprise a rear pliers handle, a pull rod, a front pliers handle, a connecting rod, a lower pliers head and an upper pliers head, wherein the rear pliers handle is hinged with the front pliers handle, the connecting rod is connected with the lower pliers head and the upper pliers head, and an adjusting screw is further arranged and is installed on the rear pliers handle and matched with a ball head of the pull rod. The groove of the adjusting screw is sleeved with a stop rubber ring, and the stop rubber ring is matched with the ball head of the pull rod. The front tong handle is fixed with a tong pipe, a pull rod and a connecting rod are sleeved in the tong pipe, the pull rod is connected with the connecting rod, a connecting rod pin is arranged on the connecting rod, a tong head pin is arranged at the front part of the tong pipe, a lower tong head and an upper tong head are arranged on the tong head pin in a crossed mode, and the lower tong head and the upper tong head are hinged with the connecting rod pin.

With respect to the related art in the above, the inventors consider that the front clip type clip applier cannot open after clamping in the wrong position in a mode in which the return spring fails. The back clamp type is not suitable for the use habit of doctors. Therefore, there is a need for a clamping tool that meets the use habit of the doctor and the reliability of the operation.

SUMMERY OF THE UTILITY MODEL

In order to design a clamp applying tool which not only meets the use habit of doctors, but also meets the operation reliability, the application provides a novel front-clamping type clamp applying tool.

The application provides a novel preceding tong of pressing from both sides formula adopts following technical scheme:

a novel front-clamping type clip applier comprises an inner core rod, a clamping tong head, a tong pipe, an extension pipe and a rotating ring, wherein the rotating ring is sleeved on the peripheries of the tong pipe and the extension pipe and is connected with the tong pipe and the extension pipe, the inner core rod is positioned in the tong pipe, one end of the inner core rod is hinged with the clamping tong head, and the other end of the inner core rod penetrates through the extension pipe;

the front movable clamp handle and the rear fixed clamp handle are hinged at the intersection; one end of the inner core rod extending out of the extension pipe is a ball head;

the top end of the front movable clamp handle is provided with a circular groove with a cross-section in a transverse circular shape, the front movable clamp handle is positioned at one end opening of the circular groove facing the inner core rod, and the ball head is positioned in the circular groove through the opening and is hinged with the front movable clamp handle; the top end of the rear fixed clamp handle is fixedly arranged with the extension pipe.

Optionally, a hinge point is formed at a hinge joint of the rear fixed clamp handle and the front movable clamp handle, a limit nail is arranged between the upper portion of the hinge point of the front movable clamp handle and the lower portion of the hinge point of the rear fixed clamp handle, and the limit nail is fixed on the rear fixed clamp handle.

Optionally, two spring pieces in cross connection are arranged between the front movable clamp handle and the rear fixed clamp handle, one end of each spring piece, which is far away from the intersection, is fixed to the front movable clamp handle, and the other end of each spring piece, which is far away from the intersection, is fixed to the rear fixed clamp handle.

To sum up, this application includes following beneficial technological effect:

through cross-hinged preceding movable clamp handle and back fixed clamp handle to and the cooperation of bulb and circular slot, the circular slot is moving backward along with the action of preceding movable clamp handle, and bulb inner core pole is followed up backward, and when the centre gripping binding clip was pressed from both sides tightly at the wrong position, can make the centre gripping binding clip open passively through forcing to open preceding movable clamp handle and back fixed clamp handle. The condition that the clamping forceps head can be taken out only by expanding the wound is avoided, the problem that the front-clamping type clip applier can be opened under the condition that the spring fails is solved, and a certain fault tolerance is provided for doctors; the novel front-clip type clip applier design also takes care of the use habits of doctors.

Drawings

Fig. 1 is a front view of a clip applier according to an embodiment of the present application.

Fig. 2 is a schematic top view of the clip applier shown in fig. 1.

Fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.

Description of reference numerals: 1. an inner core bar; 11. a ball head; 12. clamping the tong head; 2. clamping a pipe; 21. an extension pipe; 22. a rotating ring; 3. a front movable clamp handle; 31. a circular groove; 4. the clamp handle is fixed at the back; 41. a limit pin; 5. a hinge point; 51. a spring plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a novel front clamping type clip applier. Referring to fig. 1, 2 and 3, a novel front-clamping type clip applier comprises a front movable clip handle 3 and a rear fixed clip handle 4 which are arranged in a crossed manner, a rotating ring 22, a clip tube 2, an extension tube 21, an inner core rod 1 and a clip head 12, wherein the front movable clip handle 3 and the rear fixed clip handle 4 are hinged at the crossed position, the rotating ring 22 is sleeved on the periphery of the clip tube 2 and the extension tube 21 and is connected with the clip tube 2 and the extension tube 21, the inner core rod 1 is arranged in the clip tube 2, one end of the inner core rod 1 is hinged with the clip head 12, the other end of the inner core rod 1 penetrates through the extension tube 21, and one end of the inner core rod 1, which extends out of the extension tube 21, is a ball head 11.

Referring to fig. 1, 2 and 3, a circular groove 31 with a circular cross section is formed at the top end of the front movable clamp handle 3, the front movable clamp handle 3 is positioned at one end opening of the circular groove 31 facing the inner core rod 1, and the ball head 11 is positioned in the circular groove 31 through the opening and is hinged with the front movable clamp handle 3; the top end of the rear fixed clamp handle 4 is fixedly arranged with the extension pipe 21. The hinge joint of the rear fixed clamp handle 4 and the front movable clamp handle 3 is a hinge joint 5, a limit nail 41 is arranged between the upper part of the hinge joint 5 of the front movable clamp handle 3 and the lower part of the hinge joint 5 of the rear fixed clamp handle 4, and the limit nail 41 is fixed on the rear fixed clamp handle 4.

Referring to fig. 1, 2 and 3, two spring strips 51 are arranged between the front movable clamp handle 3 and the rear fixed clamp handle 4 in a cross connection, one end of one spring strip 51 far away from the cross point is fixed with the front movable clamp handle 3, and the other end of the other spring strip 51 far away from the cross point is fixed with the rear fixed clamp handle 4.

The implementation principle of the novel front-clamping type clip applier in the embodiment of the application is as follows: the preceding pincers handle 3 that move and the back fixed pincers handle 4 of scissors structure for when pressing from both sides tight preceding pincers handle 3 and the 4 hypomere of back fixed pincers handle, the upper segment of preceding pincers handle 3 and back fixed pincers handle 4 is kept away from relatively, and the upper segment of preceding pincers handle 3 makes bulb 11 internal rotation, displacement in circular slot 31 through pulling bulb 11, thereby makes inner core pole 1 retreat and makes centre gripping binding clip 12 open. The spacing nail 41 is used for limiting the included angle of the front movable clamp handle 3 and the rear fixed clamp handle 4 to be opened, so that the included angle of the clamping head 12 to be opened is controlled, and the phenomenon that the included angle of the front movable clamp handle 3 and the rear fixed clamp handle 4 is too large to force the opening of the clamping head to be too large when the spring piece 51 is automatically reset and fails, and the wound of the patient is injured again is avoided.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A novel front-clamping type clip applier comprises an inner core bar (1), a clamping tong head (12), a tong tube (2), an extension tube (21) and a rotating ring (22), wherein the rotating ring (22) is sleeved on the peripheries of the tong tube (2) and the extension tube (21) and is used for connecting the tong tube (2) and the extension tube (21), the inner core bar (1) is positioned in the tong tube (2), one end of the inner core bar (1) is hinged with the clamping tong head (12), and the other end of the inner core bar (1) penetrates through the extension tube (21);

the method is characterized in that: the front movable clamp handle (3) and the rear fixed clamp handle (4) are arranged in a crossed manner, and the front movable clamp handle (3) and the rear fixed clamp handle (4) are hinged at the crossed position; one end of the inner core rod (1) extending out of the extension pipe (21) is a ball head (11);

the top end of the front movable clamp handle (3) is provided with a circular groove (31) with a circular cross section, the front movable clamp handle (3) is positioned at one end opening of the circular groove (31) facing the inner core rod (1), and the ball head (11) is positioned in the circular groove (31) through the opening and is hinged with the front movable clamp handle (3); the top end of the rear fixed clamp handle (4) is fixedly arranged with the extension pipe (21).

2. The novel front clip applier according to claim 1, wherein: the hinge joint of the rear fixed clamp handle (4) and the front movable clamp handle (3) is a hinge joint (5), a limiting nail (41) is arranged between the upper part of the hinge joint (5) of the front movable clamp handle (3) and the lower part of the hinge joint (5) of the rear fixed clamp handle (4), and the limiting nail (41) is fixed on the rear fixed clamp handle (4).

3. The novel front clip applier according to claim 1, wherein: two spring pieces (51) in cross connection are arranged between the front movable clamp handle (3) and the rear fixed clamp handle (4), one end, far away from the intersection, of one spring piece (51) is fixed with the front movable clamp handle (3), and the other end, far away from the intersection, of the other spring piece (51) is fixed with the rear fixed clamp handle (4).