CN217162211U

CN217162211U - Disposable planing tool bit

Info

Publication number: CN217162211U
Application number: CN202220402380.1U
Authority: CN
Inventors: 郭谦; 王东
Original assignee: Beijing Keyi Bangen Medical Devices Technology Co ltd
Current assignee: Beijing Keyi Bangen Medical Devices Technology Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-08-12
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to a disposable planing tool bit relates to medical instrument's field, and it includes outer tube, interior sleeve pipe and tool bit, interior sheathed tube one end with the tool bit is connected, interior sleeve pipe penetrates the outer tube near the one end of tool bit, the opening has been seted up to the one end that the outer tube is close to the tool bit, the tool bit exposes in the opening part, the one end that the outer tube is close to the tool bit is buckled and is set up, the one end that interior sleeve pipe is close to the tool bit is buckled and is set up, just outer tube and the coaxial setting of interior sleeve pipe. This application has the inside different position of waiting to cut of adaptation human tissue that can be better, realizes different cutting angle's adjustment, and then improves the effect of the efficiency of operation.

Description

Disposable planing tool bit

Technical Field

The present application relates to the field of medical devices, and more particularly to a disposable planing tool head.

Background

The medical planing system is a tool frequently used in minimally invasive endoscopic surgery, and is mainly used for removing pathological changes or redundant soft tissues or trimming the outline of bones in the surgery of removing internal or external tissues such as ears, noses, throats, cervical bones, joints and the like by a planing tool. At present, in the clinical operation of orthopedics department, the doctor can use the planing tool bit in a large number.

General planer tool device includes the outer tube, wears to establish interior sleeve pipe in the outer tube and the planer tool head isotructure constitution of cutting usefulness, but the outer tube is the unable bending of straight line, and interior sleeve pipe also is the unable effective bending of straight line, causes the not good adjustment of planer tool cutting position to the inside different cutting position of waiting of human tissue of unable better adaptation, the unable adjustment that realizes different cutting angle, and then the efficiency that influences the operation.

In view of the above, the inventors have considered that there is a drawback that the cutting position of the planer tool is not well adjusted when the conventional planer tool device is used.

SUMMERY OF THE UTILITY MODEL

When using in order to improve current planer tool device, the not good technical problem who adjusts in cutting position of planer tool, this application provides disposable planing tool bit.

The application provides a disposable planing tool bit adopts following technical scheme:

disposable planing tool bit, including outer tube, interior sleeve pipe and tool bit, interior sheathed tube one end with the tool bit is connected, the one end that interior sleeve pipe is close to the tool bit penetrates the outer tube, the opening has been seted up to the one end that the outer tube is close to the tool bit, the tool bit exposes in the opening part, the one end that the outer tube is close to the tool bit is buckled and is set up, the one end that interior sleeve pipe is close to the tool bit is buckled and is set up, just outer tube and the coaxial setting of interior sleeve pipe.

By adopting the technical scheme, the inner sleeve is firstly penetrated into the outer sleeve, the cutter head is exposed at the opening, when the cutting tool is used, the internal or external tissues are cut off by rotating the inner sleeve, and the cut tissues are removed from the inside of the inner sleeve; the one end that outer tube and interior sleeve pipe are close to the tool bit all buckles the setting for the inside different position of waiting to cut of human tissue of better adaptation of this planing tool bit realizes different cutting angle's adjustment, and then improves the efficiency of operation.

Optionally, the side wall of the end, far away from the inner sleeve, of the tool bit is provided with a long hole, the long hole extends along the length direction of the tool bit, teeth are arranged on two sides of the long hole, and the long hole is exposed at the opening.

By adopting the technical scheme, the strip hole is exposed at the opening during cutting, the strip hole is communicated with the opening, the inner sleeve is rotated to enable the teeth to be tangent to the opening, the tissue needing to be cut is cut, the teeth are arranged on two sides of the strip hole, and the inner sleeve is easier to cut the tissue needing to be cut when rotating.

Optionally, interior sleeve pipe includes first branch pipe and second branch pipe, be provided with connecting device between first branch pipe and the second branch pipe, connecting device includes first otic placode, second otic placode and connecting block, first otic placode sets firmly the one end at first branch pipe, the second otic placode sets firmly the one end at the second branch pipe, the one end and the first otic placode of connecting block are connected, and the other end is connected with the second otic placode.

By adopting the technical scheme, the inner sleeve can be bent at the connecting device when being bent; the connecting device has a simple structure, and is simpler when the first branch pipe and the second branch pipe are connected through the connecting device.

Optionally, first otic placode is provided with two, two first otic placode is just to setting up, the second otic placode also is provided with two, two the second otic placode is also just to setting up, first otic placode and second otic placode cross arrangement, the one end of connecting block is located between two first otic placodes to be connected with first otic placodes, the other end is located between two second otic placodes to be connected with the second otic placode.

Through adopting above-mentioned technical scheme for connecting device is the universal joint form, thereby can drive the second branch pipe and use the second branch pipe as the axle and rotate when making first branch pipe use itself to rotate as the axle.

Optionally, a first tool shank is arranged at one end, away from the tool bit, of the outer sleeve, a mounting groove is formed in the first tool shank, the mounting groove is formed along the length direction of the first tool shank, and the mounting groove is communicated with the inner space of the outer sleeve; and a second knife handle is arranged at one end, far away from the knife head, of the inner sleeve, and the second knife handle is arranged in the mounting groove in a penetrating manner.

Through adopting above-mentioned technical scheme, during the installation, insert the length direction that the one end that is close to the tool bit with interior sleeve pipe in the outer tube, and when the tool bit was located the opening part, the second handle of a knife was installed just in first handle of a knife for interior sleeve pipe is firm in the installation of outer tube.

Optionally, a through hole is formed in the second handle, the through hole is formed in the direction perpendicular to the length of the second handle and penetrates through the second handle, a channel is further formed in the second handle, the channel is formed in the length direction of the second handle from the end, close to the inner sleeve, of the second handle, the channel is communicated with the through hole, and the end, far away from the tool bit, of the inner sleeve penetrates into the channel and extends out of the through hole.

By adopting the technical scheme, the inner sleeve is arranged on the second knife handle through the channel, and negative pressure can be arranged on the inner sleeve through the through hole, so that cut tissues are sucked out from the inner sleeve.

Optionally, one end of the second tool holder, which is far away from the inner sleeve, is connected with a power source, and the power source provides rotary power for the inner sleeve.

By adopting the technical scheme, the inner sleeve can rotate in the outer sleeve by arranging the power source, so that the operation is simple and convenient when the inner sleeve rotates.

In summary, the present application includes at least one of the following beneficial technical effects:

1. one ends of the outer sleeve and the inner sleeve, which are close to the cutter head, are bent, so that the planing cutter head can better adapt to different positions to be sliced in human tissues, the adjustment of different slicing angles is realized, and the operation efficiency is further improved;

2. the connecting device has a simple structure, and is simpler when the first branch pipe and the second branch pipe are connected through the connecting device.

Drawings

Fig. 1 is a schematic diagram of an embodiment of the present application.

Fig. 2 is a schematic structural view of the inner sleeve in the embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1.

FIG. 4 is a schematic structural diagram of a first tool shank in an embodiment of the present application.

Fig. 5 is a schematic structural diagram of a connecting device in the embodiment of the present application.

Description of reference numerals: 1. an outer sleeve; 11. an opening; 2. an inner sleeve; 21. a first branch pipe; 22. a second branch pipe; 3. a cutter head; 31. a strip hole; 311. teeth; 4. a first handle; 41. a slot; 42. mounting grooves; 5. a connecting device; 51. a first ear plate; 52. a second ear panel; 53. connecting blocks; 54. an installation space; 6. a second handle; 61. perforating; 62. a channel.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses disposable planing tool bit. Referring to fig. 1 and 2, the disposable planing tool bit comprises an outer sleeve 1, an inner sleeve 2 and a tool bit 3, wherein the tool bit 3 is mounted at one end of the inner sleeve 2, and one end of the inner sleeve 2 close to the tool bit 3 extends into the outer sleeve 1 along the length direction of the outer sleeve 1.

Referring to fig. 3 and 4, one end of the outer sleeve 1 close to the cutter head 3 is closed, the end is a curved surface, an opening 11 is formed in the side wall of the end, and one end of the outer sleeve 1 close to the cutter head 3 is bent; the end, far away from the tool bit 3, of the outer sleeve 1 is open, a first tool shank 4 is arranged at the end, far away from the tool bit 3, of the outer sleeve 1, the first tool shank 4 is cylindrical, a slot 41 is formed in one end, far away from the outer sleeve 1, of the first tool shank 4, the slot 41 extends along the length direction of the central axis of the first tool shank 4, a mounting groove 42 is further formed in the first tool shank 4, the mounting groove 42 also extends along the length direction of the central axis of the first tool shank 4, the central axes of the mounting groove 42 and the slot 41 are overlapped, the diameter of the slot 41 is larger than that of the mounting groove 42, and the open end of the outer sleeve 1 is inserted into the mounting groove 42, so that the slot 41 is communicated with the outer sleeve 1.

Referring to fig. 2, the inner casing 2 includes a first branch tube 21 and a second branch tube 22, the first branch tube 21 and the second branch tube 22 are in a circular tube shape, a connection device 5 is disposed between the first branch tube 21 and the second branch tube 22 so that the first branch tube 21 and the second branch tube 22 are connected by the connection device 5, and the first branch tube 21 and the second branch tube 22 are bent at the connection device 5. When the planing tool bit 3 is installed, the inner sleeve 2 is inserted into the outer sleeve 1, the outer sleeve 1 and the inner sleeve 2 are coaxially arranged, and then the outer sleeve 1 and the inner sleeve 2 are bent, so that the bending degrees of the inner sleeve 2 and the outer sleeve 1 are consistent.

Referring to fig. 2, the tool bit 3 is disposed at one end of the second branch pipe 22 far away from the connecting device 5, the tool bit 3 is also in a circular pipe shape, one end of the tool bit 3 and one end of the second branch pipe 22 far away from the connecting device 5 are fixedly connected and communicated, the other end of the tool bit 3 is closed, and the end is a curved surface, a long hole 31 is disposed on a side wall of the end, the long hole 31 extends along an all direction of the tool bit 3, teeth 311 are disposed on two side edges of the long hole 31, and when the inner sleeve 2 is inserted into the outer sleeve 1, the long hole 31 can be exposed at the opening 11.

Referring to fig. 2, one end of the first branch pipe 21, which is far away from the connecting device 5, is provided with a second handle 6, the second handle 6 is also cylindrical, a through hole 61 is formed in the second handle 6, the through hole 61 is formed in the direction perpendicular to the length of the second handle 6 and runs through the second handle 6, a channel 62 is further formed in one end of the second handle 6, which is close to the first branch pipe 21, the channel 62 extends along the central axis of the second handle 6 in the length direction and is communicated with the through hole 61, one end of the first branch pipe 21, which is far away from the second branch pipe 22, is arranged in the channel 62 in a penetrating manner and extending out the channel 62 to be located in the through hole 61. When in use, a negative pressure device (not marked in the figure) is arranged in the through hole 61, and the negative pressure device is communicated with the first branch pipe 21 and is used for absorbing the cut tissue and removing the cut tissue from the inner sleeve 2. One end, far away from the inner sleeve 2, of the second tool holder 6 is connected with a power source (not labeled in the drawing), and the power source is used for providing power for the inner sleeve 2 and enabling the inner sleeve 2 to rotate in the outer sleeve 1.

Referring to fig. 5, the connecting device 5 includes a first ear plate 51, a second ear plate 52 and a connecting block 53, the first ear plate 51 is provided with two, the two first ear plates 51 are oppositely arranged at one end of the first branch pipe 21 close to the second branch pipe 22, the two second ear plates 52 are also provided, the two second ear plates 52 are oppositely arranged at one end of the second branch pipe 22 close to the first branch pipe 21, the first ear plates 51 and the second ear plates 52 are arranged in a crossing manner, so that a mounting space 54 is formed between the first and

second lug plates

51 and 52, and the connecting block 53 is disposed in the mounting space 54, so that one end of the connecting block 53 is positioned between the two first lug plates 51, and is rotatably connected with the first ear plate 51, the other end is positioned between the two second ear plates 52 and is rotatably connected with the second ear plates 52, so that the connecting device 5 is in a universal joint shape, so that the rotation of the first branch pipe 21 by itself will drive the second branch pipe 22 to rotate by taking the second branch pipe 22 as an axis.

The implementation principle of the application is as follows: penetrate inside outer tube 1 with interior sleeve pipe 2 earlier, and tool bit 3 exposes in opening 11 departments, buckle this planing tool bit 3, excise internal or external tissue through sleeve pipe 2 in the rotation during use, and the inside of sleeve pipe 2 is clear away to the tissue after the excision, can also make the inside different positions of waiting to cut of the inside human tissue of adaptation that this planing tool bit 3 is better, realizes the adjustment of different cutting angles, and then improves the efficiency of operation.

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. Disposable planing tool bit, its characterized in that: including outer tube (1), interior sleeve pipe (2) and tool bit (3), the one end of interior sleeve pipe (2) with tool bit (3) are connected, the one end that interior sleeve pipe (2) are close to tool bit (3) penetrates outer tube (1), opening (11) have been seted up to the one end that outer tube (1) are close to tool bit (3), tool bit (3) expose in opening (11) department, the one end that outer tube (1) are close to tool bit (3) is buckled and is set up, the one end that interior sleeve pipe (2) are close to tool bit (3) is buckled and is set up, just outer tube (1) and interior sleeve pipe (2) are coaxial to be set up.

2. The disposable planing tool head of claim 1 wherein: the utility model discloses a long-strip-shaped hole (31) is seted up on the lateral wall of interior sleeve pipe (2) one end is kept away from in tool bit (3), long-strip-shaped hole (31) extend along the length direction of tool bit (3), the both sides of long-strip-shaped hole (31) all are provided with tooth (311), long-strip-shaped hole (31) expose in opening (11) department.

3. The disposable planing tool head of claim 1 wherein: interior sleeve pipe (2) includes first branch pipe (21) and second branch pipe (22), be provided with connecting device (5) between first branch pipe (21) and second branch pipe (22), connecting device (5) include first otic placode (51), second otic placode (52) and connecting block (53), first otic placode (51) sets firmly the one end at first branch pipe (21), second otic placode (52) sets firmly the one end at second branch pipe (22), the one end and the first otic placode (51) of connecting block (53) are connected, and the other end is connected with second otic placode (52).

4. The disposable planing tool head of claim 3, wherein: first otic placode (51) are provided with two, two first otic placode (51) are just to setting up, second otic placode (52) also are provided with two, two second otic placode (52) are also just to setting up, first otic placode (51) and second otic placode (52) cross arrangement, the one end of connecting block (53) is located between two first otic placodes (51) to be connected with first otic placode (51), the other end is located between two second otic placodes (52) to be connected with second otic placode (52).

5. The disposable planing tool head of claim 1 wherein: a first cutter handle (4) is arranged at one end, far away from the cutter head (3), of the outer sleeve (1), a mounting groove (42) is formed in the first cutter handle (4), the mounting groove (42) is formed in the length direction of the first cutter handle (4), and the mounting groove (42) is communicated with the inner space of the outer sleeve (1); one end, far away from the tool bit (3), of the inner sleeve (2) is provided with a second tool handle (6), and the second tool handle (6) penetrates through the mounting groove (42).

6. The disposable planing tool head of claim 5, wherein: seted up perforation (61) on second handle of a knife (6), perforation (61) are seted up along the direction of perpendicular to second handle of a knife (6) length, and link up in second handle of a knife (6), passageway (62) have still been seted up on second handle of a knife (6), passageway (62) begin to set up along the length direction of second handle of a knife (6) from the one end that second handle of a knife (6) are close to interior sleeve pipe (2), passageway (62) and perforation (61) intercommunication, the one end that tool bit (3) were kept away from to interior sleeve pipe (2) penetrates passageway (62) and stretches out perforation (61).

7. The disposable planing tool head of claim 6, wherein: one end, far away from the inner sleeve (2), of the second cutter handle (6) is connected with a power source, and the power source provides rotary power for the inner sleeve (2).