CN220293647U - Foreign matter taking-out forceps - Google Patents

Abstract

The utility model discloses a foreign matter extraction forceps, comprising: handle assembly and cutting assembly, cutting assembly movably set up in handle assembly's one end, cutting assembly includes: the handle assembly is used for driving one end of the cutting piece to move along the axis and be close to or far away from the axis. Through the application of the utility model, the foreign body taking-out forceps structure suitable for the orthopedic operation is provided, the wrapping type clamping and taking-out of the foreign bodies can be realized, the foreign bodies can be conveniently cut in the circumferential direction, and meanwhile, the manual reset is not needed; the utility model has simple structure and convenient operation.

Description

Foreign matter taking-out forceps

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a pair of foreign matter taking-out forceps.

Background

At present, in the bone surgery, a taking-out forceps is commonly adopted to clamp and take out the foreign matters, the existing bone foreign matters taking-out forceps generally adopts a traditional forceps body structure, the forceps body structure generally comprises forceps handles, forceps heads, gill shaft screws and the like, tooth surfaces are arranged on the inner surfaces of the forceps heads, and locking devices are arranged between the forceps handles.

However, the existing forceps are used for clamping the foreign matters only by means of tooth surfaces at the forceps heads, the wrapping effect of the forceps on the foreign matters is poor, the problem of slipping easily occurs, the shearing requirement on the foreign matters cannot be met at the same time, the practical operation is inconvenient, the efficiency of the orthopedic operation is greatly affected, and poor treatment experience is brought to patients.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide a foreign matter removal forceps including: handle assembly and cutting assembly, cutting assembly movably set up in handle assembly's one end, cutting assembly includes: the handle assembly is used for driving one end of the cutting piece to move along the axis and be close to or far away from the axis.

In another preferred embodiment, the handle assembly comprises: the handle body with the one end of outer tube is connected, the inner tube movably set up in the outer tube, the one end of inner tube is connected with cutting assembly, the cutting piece keep away from one side of axis movably support in the inboard of the other end of outer tube.

In another preferred embodiment, further comprising: the driving piece is connected with the inner tube and used for driving the inner tube to axially move.

In another preferred embodiment, the outer tube is provided with at least one guide slot, through which the driving element extends outwards.

In another preferred embodiment, further comprising: the elastic piece is arranged in the outer tube and is used for applying elastic force to the inner tube, and the elastic force is arranged along the axis.

In another preferred embodiment, each of the cutting blades is formed with an arcuate angle on a side thereof remote from the axis.

In another preferred embodiment, each of the cutting blades includes: the first part and the second part of interconnect, first part with handle subassembly is connected, the second part is kept away from the one end of first part is towards the axis extension sets up, first part with the junction of second part is buckled and is formed with the arc angle.

In another preferred embodiment, one end of the cutting blade is formed with an arc-shaped edge, and the arc-shaped edge extends along the circumferential direction of the axis.

In another preferred embodiment, a through hole is formed in the handle body, and the through hole is arranged opposite to the inner tube.

In another preferred embodiment, further comprising: and the push rod movably penetrates through the through hole and stretches into the inner tube to be arranged.

By adopting the technical scheme, the utility model has the positive effects compared with the prior art that: through the application of the utility model, the foreign body taking-out forceps structure suitable for the orthopedic operation is provided, the wrapping type clamping and taking-out of the foreign bodies can be realized, the foreign bodies can be conveniently cut in the circumferential direction, and meanwhile, the manual reset is not needed; the utility model has simple structure and convenient operation.

Drawings

FIG. 1 is an overall schematic view of a foreign matter removal pliers of the present utility model;

FIG. 2 is a cross-sectional view of a foreign matter removal pliers of the present utility model;

fig. 3 is a partial schematic view of a foreign matter removal forceps according to the present utility model.

In the accompanying drawings:

1. a handle assembly; 2. a cutting assembly; 3. cutting the sheet; 4. a cutting edge; 5. a handle body; 6. an outer tube; 7. an inner tube; 8. a driving member; 9. an elastic member; 10. arc angle; 11. a first portion; 12. a second portion; 13. an arc edge; 14. and a through hole.

Detailed Description

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

As shown in fig. 1 to 3, there is shown a foreign matter extraction clamp of a preferred embodiment, comprising: handle assembly 1 and cutting assembly 2, cutting assembly 2 movably sets up in the one end of handle assembly 1, and cutting assembly 2 includes: at least two cutting blades 3, at least two cutting blades 3 set around an axis, and handle assembly 1 is used for driving one end of cutting blade 3 to move along the axis and set near or far away from the axis. Further, one end of each cutting blade 3 is formed with a cutting edge 4, the cutting edge 4 is preferably arranged towards the direction close to the axis, the movement of the cutting assembly 2 can be realized through the handle assembly 1, and the cutting assembly 2 can move close to or away from the axis due to the circumferential constraint of the handle assembly 1 when moving, namely, a plurality of cutting blades 3 are folded or unfolded together in the radial direction, and the wrapping type clamping effect on the foreign matters can be realized when the folding is performed; and because of the arrangement of the cutting edges 4, after the cutting assembly 2 is folded, an operator can drive the cutting assembly 2 to rotate based on the handle assembly 1, and a plurality of cutting edges 4 can rotate together to cut the clamped foreign body part in the circumferential direction.

Further, as a preferred embodiment, the cutting edge 4 is provided in a sharp shape, that is, the thickness of the cutting blade 3 at the cutting edge 4 is gradually reduced radially inward; and the cutting edge 4 is preferably arranged obliquely downwards.

Further, as a preferred embodiment, the cutting edge 4 may preferably be a cutting structure with sharp edges or a cutting structure with serrated edges.

Further, as a preferred embodiment, the handle assembly 1 comprises: the handle body 5, outer tube 6 and inner tube 7, the handle body 5 is connected with the one end of outer tube 6, and inner tube 7 movably sets up in outer tube 6, and the one end of inner tube 7 is connected with cutting assembly 2, and the one side that the axis was kept away from to cutting piece 3 is movably to support in the inboard of the other end of outer tube 6. Further, the cutting assembly 2 can be compressively accommodated inside the other end of the outer tube 6 by the movement of the inner tube 7 relative to the outer tube 6, or protruded outside the other end of the outer tube 6 to achieve the above-mentioned folding

Further, as a preferred embodiment, the shank 5, the outer tube 6 and the inner tube 7 are arranged coaxially with the above-mentioned axis.

Further, as a preferred embodiment, the handle body 5 is provided in a flat grip structure, and both ends of the handle body 5 in a direction perpendicular to the axis extend outward, so as to facilitate the holding of the operator.

Further, as a preferred embodiment, the upper end of the outer tube 6 is fixedly connected to the middle of the lower end of the shank 5.

Further, as a preferred embodiment, the outer tube 6 and the inner tube 7 are each provided in a circular tubular structure.

Further, as a preferred embodiment, the method further comprises: the driving piece 8, driving piece 8 and inner tube 7 are connected, and driving piece 8 is used for driving the axial displacement of inner tube 7. Further, the movement of the inner tube 7 can be achieved by the movement of the driving member 8.

Further, as a preferred embodiment, the outer tube 6 is provided with at least one guiding groove, through which the driving member 8 extends outwards. Further, the driving member 8 is slidably engaged with the guide groove so as to guide the axial movement of the inner tube 7, and the outwardly extending portion of the driving member 8 can be easily held by the operator to manually apply force.

Further, as a preferred embodiment, the guide groove is provided to extend in the direction of the axis.

Further, as a preferred embodiment, the number of the guide grooves is two, and the two guide grooves are respectively formed on two diametrically opposite sides of the outer tube 6.

Further, as a preferred embodiment, the driving member 8 has two operation ends extending in a direction perpendicular to the axis, and the two operation ends are respectively disposed to extend outward through the two guide grooves.

Further, as a preferred embodiment, the driving member 8 is provided in a long rod-shaped structure.

Further, as a preferred embodiment, the method further comprises: a stop for limiting the rotation of the inner tube 7 with respect to the outer tube 6, so as to facilitate the cutting action described above.

Further, as a preferred embodiment, the stop is preferably constituted by the driving member 8 described above; or additionally arranged on the outer wall of the inner tube 7 and is in sliding fit with the inner wall of the outer tube 6 in the axial direction, and meanwhile, the inner tube is limited and abutted in the circumferential direction to prevent rotation.

Further, as a preferred embodiment, the method further comprises: the elastic piece 9, the elastic piece 9 sets up in outer tube 6, and the elastic piece 9 is used for exerting an elasticity to inner tube 7, and the elasticity sets up along the axis. Further, the elastic member 9 is used for resetting the inner tube 7, specifically, when the operator needs to clamp the foreign matter, the driver 8 is pulled to move upwards to drive the inner tube 7 to move upwards and compress the elastic member 9, so that the cutting assembly 2 is folded; after the clamping work is completed, the elastic piece 9 is reset under the action of elastic force and drives the inner tube 7 to move downwards, so that the cutting assembly 2 moves out of the outer tube 6 to realize unfolding.

Further, as a preferred embodiment, the elastic member 9 is preferably a return spring, the upper end of which abuts against the inner top surface of the outer tube 6 and the lower end of which abuts against the outer top surface of the inner tube 7.

Further, as a preferred embodiment, each cutting blade 3 is formed with an arcuate angle 10 on a side thereof remote from the axis. Further, the curved angle 10 extends from top to bottom and gradually deflects toward the direction approaching the axis, and the curved angle 10 can also be considered as a rounded corner to facilitate easier pushing of the patient's skin, muscles and bone into the bone.

Further, as a preferred embodiment, each of the dicing sheets 3 includes: the first part 11 and the second part 12 of interconnect, first part 11 is connected with handle subassembly 1, and the one end that second part 12 kept away from first part 11 extends towards the axis and sets up, and the junction of first part 11 and second part 12 is buckled and is formed with arc angle 10, and the one end that second part 12 kept away from first part 11 is formed with blade 4.

Further, as a preferred embodiment, the outer side of the first portion 11 is gradually inclined outwardly from top to bottom and the outer side of the second portion 12 is gradually inclined inwardly from top to bottom when the cutting assembly 2 is deployed; the second part 12 is reset outwardly together with the first part 11 as a whole.

Further, as a preferred embodiment, the cutting blade 3 is formed at one end thereof with an arcuate edge 13, the arcuate edge 13 extending in the circumferential direction of the axis.

In a further embodiment of the utility model, the number of cutting blades 3 is preferably 2 to 6. The plurality of cutting blades 3 are arranged in sequence along the circumference of the axis.

Further, as a preferred embodiment, the plurality of cutting blades 3 may preferably be formed approximately in a circular ring on the circumference of the axis with a certain gap between adjacent cutting blades 3.

Further, as a preferred embodiment, the cutting blade 3 is provided in a bent sheet-like structure.

Further, as a preferred embodiment, the cutting blade 3 has a certain deformation and restoration ability so as to achieve repeated folding and unfolding.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the embodiments and the protection scope of the present utility model.

The present utility model has the following embodiments based on the above description:

in a further embodiment of the utility model, the handle 5 is provided with a through hole 14, and the through hole 14 is arranged opposite to the inner tube 7.

In a further embodiment of the utility model, the inner contour of the upper part of the outer tube 6 is larger than the inner contour of the lower part.

In a further embodiment of the utility model the inner contour of the lower part of the outer tube 6 matches the outer contour of the inner tube 7.

In a further embodiment of the utility model, the upper part of the outer tube 6 forms a receiving space in which the elastic member 9 is preferably mounted, said through hole 14 communicating with the top of the receiving space, the upper part of the inner tube 7 being located.

In a further embodiment of the present utility model, further comprising: a push rod is movably arranged through the through hole 14 and extends into the inner tube 7. Further, the push rod is arranged so that the push rod can push out foreign matters embedded in the inner side of the inner pipe 7 close to one end of the cutting assembly 2 when entering the inner pipe 7, so that the cleaning effect is achieved.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims (10)

1. A foreign matter extraction pliers, characterized by comprising: handle assembly and cutting assembly, cutting assembly movably set up in handle assembly's one end, cutting assembly includes: the handle assembly is used for driving one end of the cutting piece to move along the axis and be close to or far away from the axis.

2. The foreign object removal forceps of claim 1, wherein the handle assembly comprises: the handle body with the one end of outer tube is connected, the inner tube movably set up in the outer tube, the one end of inner tube is connected with cutting assembly, the cutting piece keep away from one side of axis movably support in the inboard of the other end of outer tube.

3. The foreign matter removal forceps of claim 2, further comprising: the driving piece is connected with the inner tube and used for driving the inner tube to axially move.

4. A pair of foreign matter removal pliers according to claim 3, wherein the outer tube is provided with at least one guide slot, and the driving member is disposed to extend outwardly through the guide slot.

5. The foreign matter removal forceps of claim 2, further comprising: the elastic piece is arranged in the outer tube and is used for applying elastic force to the inner tube, and the elastic force is arranged along the axis.

6. The foreign matter extraction pliers of claim 1, wherein each of the cutting blades is formed with an arcuate angle on a side thereof remote from the axis.

7. The foreign matter removal pliers of claim 6, wherein each of the cutting blades includes: the first part and the second part of interconnect, first part with handle subassembly is connected, the second part is kept away from the one end of first part is towards the axis extension sets up, first part with the junction of second part is buckled and is formed with the arc angle.

8. The foreign matter extraction pliers according to claim 1, wherein the cutting blade has an arcuate edge formed at one end thereof, the arcuate edge extending in a circumferential direction of the axis.

9. The foreign matter extraction pliers according to claim 2, wherein a through hole is formed in the shank body, and the through hole is disposed opposite to the inner tube.

10. The foreign matter removal forceps of claim 9, further comprising: and the push rod movably penetrates through the through hole and stretches into the inner tube to be arranged.