CN210228252U

CN210228252U - Adjustable cartilage cutter

Info

Publication number: CN210228252U
Application number: CN201920737095.3U
Authority: CN
Inventors: Fangpeng Wang; 王方鹏
Original assignee: Chongqing Yixing Medical Beauty Hospital Co Ltd
Current assignee: Chongqing Yixing Medical Beauty Hospital Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-03
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses an adjustable cartilage cutter, which comprises a handle and a blade fixedly connected with one end of the handle, wherein the handle is provided with a chute along the axial direction of the handle, an adjustable fixer is clamped in the chute in a sliding way, a fixed arm is fixedly connected with the adjustable fixer, and the fixed arm is in sliding fit with the blade and slides along the axial direction of the blade to adjust the use length of the blade; compared with the prior art, the utility model, provide the slide through the spout, fixer with adjustable slide, the fixed arm slides along the axial direction of blade along with fixer with adjustable simultaneously, thereby adjust the laminating section length that blade and fixed arm carried out the laminating, and then realized the length of the usable section of adjusting the blade, in order to reach the purpose that the cutterbar carries out the cutting of the different degree of depth, accommodation process is convenient, and is swift, need not prepare the cutting knife of the blade of a plurality of different lengths, medical personnel's process has been reduced, medical care time has been shortened.

Description

Adjustable cartilage cutter

Technical Field

The utility model relates to a medical instrument field, concretely relates to cartilage cutterbar with adjustable.

Background

When cutting cartilage now, generally adopt the cutting knife to go on, current cutting knife includes handle of a knife and the blade of fixed connection in handle one end, and the cutting knife is when using, and medical personnel hold the handle of a knife, inserts the blade and cuts in the skin, and the cutting work of cartilage can be accomplished to the sliding cutter, and just the blade is in vertical state and carries out work at this in-process.

In foretell cutting process, only can carry out the cutting of single degree of depth, if need carry out the cutting work of the different degree of depth, medical personnel at first need prepare the cutting knife of the blade of different length, then change suitable cutting knife when carrying out cutting work, carry out the cutting work of the different degree of depth through the cutting knife of getting different length blades in exchange, increase medical personnel's process, prolonged medical care time.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model aims to provide a cartilage cutterbar with adjustable to solve among the prior art, need carry out the cutting work of the different degree of depth, medical personnel need trade the cutting knife of getting different length blades, increase medical personnel's process, prolonged medical care time's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: cartilage cutterbar with adjustable, including handle of a knife and the blade of fixed connection in handle of a knife one end, seted up the spout along its axial direction on the handle of a knife, sliding joint has adjustable fixer in the spout, fixedly connected with fixed arm on the adjustable fixer, and the fixed arm slides and laminates on the blade and adjusts the use length of blade along its endwise slip.

Compared with the prior art, the utility model discloses following beneficial effect has:

the blade of this cutterbar is along the section of can using of the not laminating of its axial direction distribution for the blade, the blade is along the laminating section that its axial direction distributes and carry out the laminating with the fixed arm and be the adjustable section, provide the slide through the spout, the fixer with adjustable slides, the fixed arm slides along the axial direction of blade along with the fixer with adjustable simultaneously, thereby adjust the laminating section length that blade and fixed arm carried out the laminating, and then realized the length of the section of can using of adjusting the blade, in order to reach the purpose that the cutterbar carries out the cutting of the different degree of depth, accommodation process is convenient, and is fast, need not prepare the cutting knife of the blade of a plurality of different lengths, medical personnel's process has been reduced, medical care time has.

Drawings

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

fig. 2 is a schematic structural view of the adjusting knob of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments:

reference numerals in the drawings of the specification include: the adjustable knife comprises a knife handle 1, a blade 2, a sliding groove 3, an adjustable fixer 4, a fixing arm 5, a connecting block 41, an adjusting knob 42, a stud 421, a handle 422, an annular taking groove 423, a limiting block 424, a return spring 425, a driving column 426, a limiting column 427 and an elastic tensioning block 428.

Examples

Referring to fig. 1 and 2: the adjustable cartilage cutter comprises a cutter handle 1 and a blade 2 fixedly connected to one end of the cutter handle 1, wherein a sliding groove 3 is formed in the cutter handle 1 along the axial direction of the cutter handle, an adjustable fixer 4 is slidably clamped in the sliding groove 3, a fixed arm 5 is fixedly connected to the adjustable fixer 4, and the fixed arm 5 is in sliding fit with the blade 2 and slides along the axial direction of the blade 2 to adjust the using length of the blade 2; in order to design the position of the fixing arm 5 reasonably and to make the blade surface of the blade 2 convenient and smooth to use, the fixing arm 5 is slid in the axial direction of the blade back side of the blade 2.

The adopted adjustable fixator 4 comprises a connecting block 41, a clamping pin which is clamped in the sliding chute 3 in a sliding manner is connected to the connecting block 41, a threaded hole communicated with the sliding chute 3 is formed in the connecting block 41, and an adjusting knob 42 for locking and fixing the connecting block 41 is connected to the threaded hole in a threaded manner; the adjusting knob 42 can be a locking screw, and is in threaded connection with the threaded hole through the locking screw, and the end of the locking screw abuts against the bottom of the sliding groove 3 to fix the connecting block 41, so that the fixing arm 5 is fixed, and the use length of the blade 2 is determined.

The adjusting knob 42 can further comprise a stud 421 in threaded connection with the threaded hole and a handle 422 connected with the stud 421, an annular taking groove 423 is formed in the outer wall of the handle 422 along the circumferential direction of the outer wall, and the annular taking groove 423 is convenient to design and facilitates the stud 421 to be adjusted by holding the handle 422 when the adjusting knob 42 is used; the end, far away from the handle 422, of the stud 421 is provided with a mounting hole along the radial direction, an embedding hole is formed in the stud 421 along the axial direction, one end of the embedding hole is communicated with the mounting hole, the other end of the embedding hole extends along the axial direction of the handle 422 to form a through hole in the handle 422, a pair of limiting blocks 424 are connected in the mounting hole in a sliding mode, the two limiting blocks 424 are connected through a return spring 425, opposite surfaces of the two limiting blocks 424 are provided with wedge surfaces close to one side of the embedding hole, a driving column 426 is arranged in the embedding hole in a sliding clamping mode, and one end of the driving column 426 penetrates out of the embedding hole section of the handle 422; the sliding driving column 426 is pressed against the wedge surfaces of the two limit blocks 424 to drive the two limit blocks 424 to move towards or away from each other; any one of the two limit blocks 424 is connected with a limit post 427, and the limit post 427 is positioned on the opposite surface of the two limit blocks 424; the inner wall of the hole of the embedding hole positioned on the handle section is provided with at least one clamping groove, the driving column 426 is provided with elastic tensioning blocks 428 which are matched with the clamping grooves one by one, and the elastic tensioning blocks 428 can be elastic rubber blocks; the driving column 426 abuts against the wedge surfaces of the two limit blocks 424, so that one ends of the two limit blocks 424 penetrate through the mounting holes, and the elastic tensioning block 428 is embedded into the clamping groove to clamp and fix the driving column 426; when the use length of the blade 2 needs to be adjusted, the handle 422 is held by hand to rotate the stud 421, so that the end of the stud 421 is separated from the bottom of the sliding groove 3 to be in a state of being abutted, the connecting block 41 can be slid to slide the fixing arm 5, after the use length of the blade 2 is adjusted, the handle 422 is held by hand to reversely rotate the stud 421, so that the end of the stud 421 is abutted to the bottom of the sliding groove 3, the connecting block 41 can be fixed, the fixing arm 5 is fixed, and the problem that the stud 421 is prevented from being rotated too much and separated from the threaded hole in the process of rotating the stud 421 due to the design of the two limit blocks 424 is solved; when the adjusting knob 42 needs to be detached from the connecting block 41, the end of the driving column 426 is held by hand, the driving column 426 is pulled, the elastic tensioning block 428 is separated from the clamping groove, the driving column 426 slides outwards in the embedding hole, the driving column 426 is separated from the two limiting blocks 424 in a propping state, the two limiting blocks 424 slide in opposite directions under the action of the pulling force of the return spring 425, the two limiting blocks 424 slide back into the mounting hole, the two limiting blocks 424 are limited by the limiting column 427, the return spring 425 is prevented from being crushed, and meanwhile, the two limiting blocks 424 are driven to move away from each other again by the driving column 426; after the two limit blocks 424 slide back into the mounting holes, the adjusting knob 42 can be detached from the connecting block 41 by rotating the adjusting knob 42.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. Cartilage cutterbar with adjustable, including handle of a knife and the blade of fixed connection in handle of a knife one end, its characterized in that, seted up the spout along its axial direction on the handle of a knife, sliding joint has adjustable fixer in the spout, fixedly connected with fixed arm on the adjustable fixer, and the fixed arm slides and laminates on the blade and adjusts the live length of blade along its endwise slip.

2. The adjustable chondrotome according to claim 1, wherein: the adjustable fixer comprises a connecting block, a clamping pin which is arranged in the sliding groove in a sliding clamping mode is connected onto the connecting block, a threaded hole communicated with the sliding groove is formed in the connecting block, and an adjusting knob which is used for locking and fixing the connecting block is connected with the inner thread of the threaded hole.

3. The adjustable chondrotome according to claim 2, wherein: the adjusting knob comprises a stud in threaded connection with the threaded hole and a handle connected with the stud, and an annular taking groove is formed in the outer wall of the handle in the circumferential direction of the outer wall of the handle.

4. The adjustable chondrotome according to claim 3 wherein: the end, away from the handle, of the stud is provided with a mounting hole along the radial direction, an embedding hole is formed in the stud along the axial direction, one end of the embedding hole is communicated with the mounting hole, the other end of the embedding hole extends along the axial direction of the handle to form a through hole in the handle, a pair of limiting blocks are connected in the mounting hole in a sliding mode, the two limiting blocks are connected through a reset spring, wedge surfaces close to one side of the embedding hole are formed in opposite surfaces of the two limiting blocks, a driving column is arranged in the embedding hole in a sliding clamping mode, and one end of the driving column penetrates out of the embedding hole section of the handle; the sliding driving column is pressed against the wedge surfaces of the two limiting blocks to drive the two limiting blocks to move towards or away from each other.

5. The adjustable chondrotome as in claim 4, wherein: any one of the two limiting blocks is connected with a limiting column, and the limiting columns are located on the opposite surfaces of the two limiting blocks.

6. The adjustable chondrotome as in claim 4, wherein: the inner wall of the hole of the embedding hole positioned on the handle section is provided with at least one clamping groove, and the driving column is provided with elastic tensioning blocks which are matched with the clamping grooves one by one; the driving column is abutted against the wedge surfaces of the two limiting blocks, so that one ends of the two limiting blocks penetrate out of the mounting hole, and the elastic tensioning block is embedded into the clamping groove to clamp and fix the driving column.

7. The adjustable chondrotome as in claim 1, wherein: the fixing arm slides in the axial direction of the blade back side of the blade.

8. The adjustable chondrotome as in claim 2, wherein: the adjusting knob is a locking screw.