CN211066770U

CN211066770U - Sampling forceps

Info

Publication number: CN211066770U
Application number: CN201920950166.8U
Authority: CN
Inventors: 张志军
Original assignee: Hangzhou Suode Medical Equipment Co ltd
Current assignee: Hangzhou Suode Medical Equipment Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-07-24
Anticipated expiration: 2029-06-24

Abstract

The utility model provides a sampling forceps, including the outer tube, set up the core bar in the outer tube, with outer union coupling's binding clip piece one, with binding clip piece one articulated set up with core bar connection's binding clip piece two, with outer union coupling's fixed tong arm, with the articulated movable tong arm that sets up of fixed tong arm, movable tong arm and core bar connection can drive the core bar and open binding clip piece two along the outer tube backward motion, cup jointed the pull-back spring that corresponds with the outer tube on the core bar, be provided with the lock nut who corresponds with core bar rear end on the fixed tong arm, the spring setting is difficult to damage in inside, and can fix through lock nut after the centre gripping is organized, need not hold the tong arm with the hand always, the centre gripping is firm also more laborsaving more.

Description

Sampling forceps

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to sampling forceps.

Background

In order to further analyze and understand the characteristics of a patient body, doctors often need to take out part of tumor tissues to carry out slicing and assay, but most of the original sampling devices need to grip the clamping forceps arms by hands all the time after the tissues are manually clamped, so that not only is labor wasted, but also the phenomenon of untight clamping caused by hand shaking is easily caused, and most of the spring structures of the common clamping forceps are exposed outside and easily damaged; during operation, the spring device is easy to hook and break surgical gloves of doctors, and the spring device is easy to accumulate dirty blood during operation and is not easy to clean in later period.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned problem comprehensively, especially not enough to prior art exists, the utility model provides a sampling forceps, the spring setting is difficult to damage in inside, can not cause the hook of doctor's operation gloves to be broken, and is difficult to pile up the dirty blood when performing the operation, and later stage washing is easier, and can fix through lock nut after the centre gripping is organized, need not hold the tong arm with the hand always, and the centre gripping is firm also more laborsaving more. In order to achieve the above object, the utility model adopts the following technical means:

a sampling clamp comprises an outer tube, a core rod arranged in the outer tube, a first binding clip sheet connected with the outer tube, a second binding clip sheet connected with the core rod and hinged with the first binding clip sheet, a fixed binding clip arm connected with the outer tube and a movable binding clip arm hinged with the fixed binding clip arm, wherein the movable binding clip arm is connected with the core rod and can drive the core rod to move backwards along the outer tube to open the second binding clip sheet, a pull-back spring corresponding to the outer tube is sleeved on the core rod, and a locking nut corresponding to the rear end part of the core rod is arranged on the fixed binding clip arm.

Furthermore, the first plier head piece comprises a first plier head piece body, a hollow groove is formed in the front end of the first plier head piece body, a longitudinal hinge rod is arranged in the hollow groove, and a first connecting pipe connected with the outer pipe is arranged at the rear end of the first plier head piece body; the second tong head piece comprises a second tong head piece body, the second tong head piece body corresponds to the hollow groove, the lower portion of the second tong head piece body is provided with a hinged groove used for being hinged with the hinged rod and provided with an opening at the lower end, the upper portion of the second tong head piece body is connected with a zigzag connecting pipe structure, and the rear end of the zigzag connecting pipe structure is connected with the core rod.

Furthermore, the upper part of the second forceps head piece is provided with an inserting fixing groove, the zigzag connecting pipe structure comprises a first connecting head and a second connecting pipe which is arranged in a zigzag manner with the first connecting head, an inserting block corresponding to the inserting fixing groove is arranged on the lower part of the first connecting head, and the second connecting pipe is connected with the core rod.

Furthermore, the fixed clamp arm and the outer tube are arranged in a gun-shaped structure.

Furthermore, a transverse through hole corresponding to the outer tube is formed at the upper part of the fixed clamp arm, the front end of the transverse through hole is connected with the rear end of the outer tube, the rear end of the core bar extends into the transverse through hole, the lower part of the fixed clamp arm is provided with a vertical groove correspondingly communicated with the transverse connecting hole, two side walls of the vertical groove form a hinge lug, a cam-shaped connecting sheet which extends into the vertical groove and is hinged with the hinge lug is formed at the upper end of the movable clamp arm, the upper end of the cam-shaped connecting piece is hinged with the rear end of the core bar to form a square hinge groove, the rear end of the core bar is provided with a third connecting pipe placed in the transverse through hole, and a second hinge hole corresponding to the cam-type connecting sheet is formed in the lower part of the third connecting pipe, a second hinge rod corresponding to the square hinge groove is arranged in the second hinge hole, one end of the pull-back spring is fixed with the rear end of the outer pipe, and the other end of the pull-back spring is fixed with the core bar.

Furthermore, under the closed state of the first tong head piece and the second tong head piece, the rear end face of the third connecting pipe is flush with the rear end face of the pipe wall of the transverse through hole, the locking nut is in threaded connection with the fixed tong arm, and in the locking state, the inner end face of the locking nut is abutted to the rear end face of the third connecting pipe.

The utility model has the advantages that: the utility model discloses simple structure, the spring setting is difficult to damage in inside, can not cause the hook to doctor's operation gloves broken, and be difficult to pile up the dirty blood when performing the operation, the later stage washs more easily, and can fix through lock nut after the centre gripping tissue, do not need to hold the tong arm with the hand always, the centre gripping is firm also more laborsaving more, during the use, loosen fastening nut earlier, hold the tong arm and carry out the centre gripping to the tissue, hold movable tong arm backward movement, drive the core bar backward movement, and then drive tong head piece two and open, loosen movable tong arm, because the pull-back effect of pull-back spring, tong head piece two presss from both sides tight tissue with tong head piece interlock, take out the tissue after screwing up fastening nut again.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a first binding clip of the present invention;

FIG. 3 is a schematic view of a connection structure between the second binding clip and the zigzag connecting tube according to the present invention;

FIG. 4 is a schematic view of the zigzag connection pipe of the present invention;

FIG. 5 is a schematic structural view of a second binding clip of the present invention;

FIG. 6 is a schematic structural view of the movable clamp arm of the present invention;

fig. 7 is a schematic structural view of a third connecting pipe of the present invention;

fig. 8 is a schematic structural view of the fixed caliper arm of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

As shown in fig. 1 to 7, this embodiment provides a pair of sampling forceps, which includes an outer tube 1, a core bar 2 disposed in the outer tube, a first forceps head piece 3 connected to the outer tube, a second forceps head piece 4 hinged to the first forceps head piece and connected to the core bar, a fixed forceps arm 5 connected to the outer tube, and a movable forceps arm 6 hinged to the fixed forceps arm, wherein the movable forceps arm is connected to the core bar and can drive the core bar to move backward along the outer tube to open the second forceps head piece, the core bar is sleeved with a pull-back spring 7 corresponding to the outer tube, and the fixed forceps arm is provided with a lock nut 8 corresponding to the rear end of the core bar.

The first jaw piece 3 comprises a first jaw piece body 301, a hollow groove 302 is formed in the front end of the first jaw piece body, a longitudinal hinge rod 303 is arranged in the hollow groove, and a first connecting pipe 304 connected with an outer pipe is arranged at the rear end of the first jaw piece body; the second jaw piece 4 comprises a second jaw piece body 401, the second jaw piece body corresponds to the hollow groove, a hinge groove 402 with an opening at the lower end and used for being hinged with the hinge rod is formed in the lower portion of the second jaw piece body, a zigzag connecting pipe structure 403 is connected to the upper portion of the second jaw piece body, and the rear end of the zigzag connecting pipe structure is connected with the core rod.

The upper part of the second jaw piece is provided with an inserting fixing groove 404, the zigzag connecting pipe structure 403 comprises a first connecting head 405 and a second connecting pipe 406 arranged in a zigzag manner with the first connecting head, the lower part of the first connecting head is provided with an inserting block 407 corresponding to the inserting fixing groove, and the second connecting pipe is connected with the core rod.

The fixed clamp arm 5 and the outer tube 1 are arranged in a gun-shaped structure.

A transverse through hole 500 corresponding to the outer tube 1 is formed at the upper part of the fixed clamp arm 5, the front end of the transverse through hole is connected with the rear end of the outer tube 1, the rear end of the core bar 2 extends into the transverse through hole, a vertical groove 501 correspondingly communicated with the transverse connecting hole is formed at the lower part of the fixed clamp arm 5, hinge lugs 502 are formed at two side walls of the vertical groove, a cam-shaped connecting piece 601 extending into the vertical groove and hinged with the hinge lugs is formed at the upper end of the movable clamp arm 6, a square hinge groove 602 hinged with the rear end of the core bar is formed at the upper end of the cam-shaped connecting piece, a connecting pipe third 9 placed in the transverse through hole is formed at the rear end of the core bar 2, a hinge hole second 901 corresponding to the cam-shaped connecting piece is formed at the lower part of the connecting pipe third, a hinge rod second corresponding to the square hinge groove is arranged in the hinge hole second, and one end of the pull-, the other end is fixed with the core bar.

And under the closed state of the first jaw piece 3 and the second jaw piece 4, the rear end face of the third connecting pipe 9 is flush with the rear end face of the pipe wall of the transverse through hole, the locking nut is in threaded connection with the fixed jaw arm, and in the locking state, the inner end face of the locking nut is abutted against the rear end face of the third connecting pipe.

This embodiment simple structure, the spring setting is difficult to damage in inside, can not cause the hook to doctor's operating gloves broken, and be difficult to pile up the dirty blood when performing the operation, the later stage is washd more easily, and can fix through lock nut after the centre gripping tissue, need not hold the tong arm with the hand always, the centre gripping is firm also more laborsaving more, during the use, loosen fastening nut earlier, hold the tong arm and carry out the centre gripping to the tissue, hold the activity tong arm rearward movement, drive the core bar rearward movement, and then drive tong head piece two and open, loosen the activity tong arm, because the pull-back effect of pull-back spring, tong head piece two presss from both sides tight tissue with tong head piece one interlock, take out the tissue after screwing up fastening nut again.

The present invention is illustrated by way of example and not by way of limitation. It will be apparent to those skilled in the art that other variations and modifications of the present invention can be made in light of the above teachings, and it is not necessary or necessary to exhaustively enumerate all embodiments herein, and it is intended that all such obvious variations and modifications are within the scope of the present invention.

Claims

1. A sampling clamp is characterized by comprising an outer tube, a core rod arranged in the outer tube, a first binding clip connected with the outer tube, a second binding clip connected with the core rod and hinged with the first binding clip, a fixed binding clip connected with the outer tube and a movable binding clip hinged with the fixed binding clip, wherein the movable binding clip is connected with the core rod and can drive the core rod to move backwards along the outer tube to open the second binding clip, a pull-back spring corresponding to the outer tube is sleeved on the core rod, and a locking nut corresponding to the rear end part of the core rod is arranged on the fixed binding clip.

2. The sampling forceps according to claim 1, wherein the first jaw piece comprises a first jaw piece body, a hollow groove is formed in the front end of the first jaw piece body, a longitudinal hinge rod is arranged in the hollow groove, and a first connecting pipe connected with the outer pipe is arranged at the rear end of the first jaw piece body; the second tong head piece comprises a second tong head piece body, the second tong head piece body corresponds to the hollow groove, the lower portion of the second tong head piece body is provided with a hinged groove used for being hinged with the hinged rod and provided with an opening at the lower end, the upper portion of the second tong head piece body is connected with a zigzag connecting pipe structure, and the rear end of the zigzag connecting pipe structure is connected with the core rod.

3. The sampling forceps according to claim 2, wherein the upper portion of the two forceps head pieces is provided with a plug fixing groove, the zigzag connecting pipe structure comprises a first connecting head and a second connecting pipe arranged in a zigzag arrangement with the first connecting head, the lower portion of the first connecting head is provided with a plug block corresponding to the plug fixing groove, and the second connecting pipe is connected with the core rod.

4. A forceps as claimed in claim 1, wherein the fixed arms are arranged in a gun-like configuration with the outer tube.

5. The sampling forceps according to claim 1, wherein a transverse through hole corresponding to the outer tube is formed at the upper part of the fixed forceps arm, the front end of the transverse through hole is connected with the rear end of the outer tube, the rear end of the core rod extends into the transverse through hole, a vertical groove correspondingly communicated with the transverse connecting hole is formed at the lower part of the fixed forceps arm, hinge lugs are formed on two side walls of the vertical groove, a cam-shaped connecting plate extending into the vertical groove and hinged with the hinge lugs is formed at the upper end of the movable forceps arm, a square hinge groove hinged with the upper end of the core rod is formed at the upper end of the cam-shaped connecting plate, a third connecting pipe placed in the transverse through hole is formed at the rear end of the core rod, a second hinge hole corresponding to the cam-shaped connecting plate is formed at the lower part of the third connecting pipe, a second hinge rod corresponding to the square hinge groove is arranged in the second hinge hole, and one end of the pull-back spring, the other end is fixed with the core bar.

6. A sampling forceps according to claim 5 in which the rear end face of the connecting tube III is flush with the rear end face of the wall of the transverse through hole in the closed state of the first jaw piece and the second jaw piece, the locking nut is screwed to the fixed forceps arm, and in the locked state, the inner end face of the locking nut abuts against the rear end face of the connecting tube III.