CN202179577U - Ultrasonic osteotome bit with large triangular cutting edge - Google Patents
Ultrasonic osteotome bit with large triangular cutting edge Download PDFInfo
- Publication number
- CN202179577U CN202179577U CN2011202292966U CN201120229296U CN202179577U CN 202179577 U CN202179577 U CN 202179577U CN 2011202292966 U CN2011202292966 U CN 2011202292966U CN 201120229296 U CN201120229296 U CN 201120229296U CN 202179577 U CN202179577 U CN 202179577U
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- CN
- China
- Prior art keywords
- blade
- cutter head
- knife
- point
- piezosurgery osteotomy
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Abstract
The utility model discloses an ultrasonic osteotome bit with a large triangular cutting edge, which comprises a blade and a tip. The tip is arranged at the front end of the blade, the center of the tip is positioned on the longitudinal central axis of the bit, and the center of the tip and two edges of the blade form a triangle. By the aid of the ultrasonic osteotome bit with the large triangular cutting edge according to the technical scheme, cutting speed can be increased, operating time can be shortened, and cut quantity and shape of bone can be controlled accurately.
Description
Technical field
This utility model relates to technical field of medical instruments, relates in particular to a kind of big triangle sword piezosurgery osteotomy cutter head.
Background technology
In bone surgery, often use piezosurgery osteotomy to bone cut, grinding, planing, scraping or any reshaping.As shown in Figure 1, present piezosurgery osteotomy cutter head is multiple tooth, and the point of a knife part of broad is arranged, and how the point of a knife part is not effectively main cutting part.
There is following problem in this piezosurgery osteotomy cutter head: cutting speed is slow, and efficient is low, and carrying load ability is poor, wastes energy; Fracture easily, service life is low; Complex-shaped, difficulty of processing is high, and production cost is high.
The utility model content
The purpose of this utility model is to propose a kind of big triangle sword piezosurgery osteotomy cutter head, can improve cutting speed, reduces operating time, and can accurately control cutting output and the shape to bone.
For reaching this purpose, this utility model adopts following technical scheme:
A kind of big triangle sword piezosurgery osteotomy cutter head comprises blade and point of a knife, and said point of a knife is positioned at the positive front end of blade, on the longitudinal central axis line that is centered close to cutter head of point of a knife, is triangle between two edges of nose center and blade.
The thickness of said point of a knife is greater than the thickness of said blade.
Triangle sideline between nose center and the blade edge and the angle between the blade edge extended line be 0 spend to 75 the degree.
Triangle sideline between nose center and the blade edge and the angle between the blade edge extended line be 10 spend to 60 the degree.
Also comprise blade and connecting thread, blade one end connects blade, and an end is connected with connecting thread, and blade one end is thick cylinder, and an end is thin cylinder, and is middle through arc transition, and positive die nut position is set.
Adopted the technical scheme of this utility model, deep efficient is high, speed is fast, has reduced operating time, reduces less patient suffering, reduces doctor's labor intensity; The cutter head exquisiteness is small and exquisite, can accurately control cutting output and shape to bone, reduces the deep loss amount in the art, accelerates patient's recovery time; Hemostasis blood coagulation effect is arranged in deep process, reduce intraoperative blood loss; Reduce difficulty of processing, reduced production cost.
Description of drawings
Fig. 1 is the structural representation of piezosurgery osteotomy cutter head in the prior art scheme.
Fig. 2 is the structural representation of big triangle sword piezosurgery osteotomy cutter head in this utility model specific embodiment one.
Fig. 3 is the side schematic view of big triangle sword piezosurgery osteotomy cutter head in this utility model specific embodiment one.
Fig. 4 is the partial enlarged drawing of big triangle sword piezosurgery osteotomy cutter head in this utility model specific embodiment one.
Fig. 5 is the structural representation of big triangle sword piezosurgery osteotomy cutter head in this utility model specific embodiment two.
The specific embodiment
Further specify the technical scheme of this utility model below in conjunction with accompanying drawing and through the specific embodiment.
The main thought of this utility model technical scheme is on the planform of piezosurgery osteotomy cutter head; Point of a knife is positioned on the central axis of whole cutter head; Thereby the energy that ultrasonic transducer produced is all converged at the point of a knife part (the most effectively working portion) of piezosurgery osteotomy cutter head; Converge and be a bit, make the point of a knife of cutter head partly have the strongest energy output, reach the strongest work.
Fig. 2 is the structural representation of big triangle sword piezosurgery osteotomy cutter head in this utility model specific embodiment one.Fig. 3 is the side schematic view of big triangle sword piezosurgery osteotomy cutter head in this utility model specific embodiment one.As shown in Figures 2 and 3, what this big triangle sword piezosurgery osteotomy cutter head adopted is single main serrated knife point structure, comprises blade 1, point of a knife 2, connecting thread 3 and blade 4.
Point of a knife is positioned at the positive front end of blade, can be with whole energy centralizations of piezosurgery osteotomy to the point of a knife part.On the longitudinal central axis line that is centered close to cutter head of point of a knife, be triangle between two edges of nose center and blade.
Fig. 4 is the partial enlarged drawing of big triangle sword piezosurgery osteotomy cutter head in this utility model specific embodiment one.As shown in Figure 4, on one side triangle sideline and the angle β between the blade edge extended line between nose center and the blade edge 0 spend to 75 degree, commonly used is 10 spends to 60 and spends.Triangle sideline between another nose center and the blade edge and the angle theta between the blade edge extended line are 0 to spend to 75 degree, and commonly used is 10 spends to 60 degree.Angle β and angle theta can combination in any be arranged in pairs or groups, but angle β and angle theta can not be selected 0 degree in theory simultaneously for use.
Blade one end connects blade, and an end is connected with connecting thread, and blade one end is thick cylinder, and an end is thin cylinder, and is middle through arc transition, and positive die nut position is set, and connecting thread is connected with ultrasonic transducer.The connecting thread of cutter head afterbody is connected with specific ultrasonic transducer, and tightens, again ultrasonic transducer is connected in specific ultrasonic main frame, can carry out work with corresponding spanner.
Fig. 5 is the structural representation of big triangle sword piezosurgery osteotomy cutter head in this utility model specific embodiment two.As shown in Figure 5, the structure basically identical of the big triangle sword piezosurgery osteotomy cutter head in the structure of this big triangle sword piezosurgery osteotomy cutter head and the specific embodiment one, just the thickness of point of a knife passes through arc transition greater than the thickness of blade between point of a knife and the blade.
The width that cuts out of point of a knife just greater than the thickness of blade, in operation process, the cutter stuck phenomenon just can not occur pressing from both sides when cutting the darker groove of thicker bone or cutting, window type otch so in use.In addition, point of a knife thickness has greatly also increased point of a knife intensity, has improved the service life of cutter head relatively.
The above; Be merely the preferable specific embodiment of this utility model; But the protection domain of this utility model is not limited thereto; Anyly be familiar with this technological people in the technical scope that this utility model disclosed, the variation that can expect easily or replacement all should be encompassed within the protection domain of this utility model.Therefore, the protection domain of this utility model should be as the criterion with the protection domain of claim.
Claims (5)
1. one kind big triangle sword piezosurgery osteotomy cutter head is characterized in that, comprise blade and point of a knife, said point of a knife is positioned at the positive front end of blade, on the longitudinal central axis line that is centered close to cutter head of point of a knife, is triangle between two edges of nose center and blade.
2. a kind of big triangle sword piezosurgery osteotomy cutter head according to claim 1 is characterized in that the thickness of said point of a knife is greater than the thickness of said blade.
3. according to claim 1 or 2 described a kind of big triangle sword piezosurgery osteotomy cutter heads, it is characterized in that, triangle sideline between nose center and the blade edge and the angle between the blade edge extended line be 0 spend to 75 the degree.
4. a kind of big triangle sword piezosurgery osteotomy cutter head according to claim 3 is characterized in that, triangle sideline between nose center and the blade edge and the angle between the blade edge extended line be 10 spend to 60 the degree.
5. according to claim 1 or 2 described a kind of big triangle sword piezosurgery osteotomy cutter heads, it is characterized in that, also comprise blade and connecting thread; Blade one end connects blade; One end is connected with connecting thread, and blade one end is thick cylinder, and an end is thin cylinder; Middle through arc transition, and positive die nut position is set.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202292966U CN202179577U (en) | 2011-07-01 | 2011-07-01 | Ultrasonic osteotome bit with large triangular cutting edge |
| PCT/CN2012/071952 WO2012149837A1 (en) | 2011-05-03 | 2012-03-05 | Piezosurgery tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202292966U CN202179577U (en) | 2011-07-01 | 2011-07-01 | Ultrasonic osteotome bit with large triangular cutting edge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202179577U true CN202179577U (en) | 2012-04-04 |
Family
ID=45887240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202292966U Expired - Lifetime CN202179577U (en) | 2011-05-03 | 2011-07-01 | Ultrasonic osteotome bit with large triangular cutting edge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202179577U (en) |
-
2011
- 2011-07-01 CN CN2011202292966U patent/CN202179577U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120404 |