CN201586026U - Bone drill protective device - Google Patents
Bone drill protective device Download PDFInfo
- Publication number
- CN201586026U CN201586026U CN2010201026025U CN201020102602U CN201586026U CN 201586026 U CN201586026 U CN 201586026U CN 2010201026025 U CN2010201026025 U CN 2010201026025U CN 201020102602 U CN201020102602 U CN 201020102602U CN 201586026 U CN201586026 U CN 201586026U
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- CN
- China
- Prior art keywords
- bone
- hole
- drill
- guide
- protective device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a bone drill protective device, which is provided with a steel plate (1) of a fixed hole (8), wherein the two ends of the steel plate are provided with taper holes (3); and the taper holes are assembled with a support (2) by taper pins (9) arranged on support legs (13). The bone drill protective device is characterized in that a slide groove (3) is arranged on the support; a guide sleeve (14) is assembled in the slide groove; the upper part of the guide sleeve is provided with a guide disk (7), and the center of the guide sleeve is provided with a guide hole (10); a handle (11) and a fixed bending plate (6) are arranged on the guide disk; and the fixed bending plate (6) is fixed with a slide bending plate (5) with one end being provided with a back hole (12) coaxially with the guide hole (10) by a bolt (4). The bone drill protective device has the advantages that when an surgical power drill is used for drilling holes by the guide disk, the diameter or the thickness of the bone can be estimated in advance, so as to be convenient for adjusting the position of the slide bending plate, thereby effectively preventing the problem that the depth and the position of the drilling holes can not be effectively ensured in the operation of the surgical power drill and overcoming the damage and destroy to the adjacent muscles, nerves and the like as the drill can not stop timely after an operator drills through the bone cortexes at the opposite sides in the operation.
Description
Technical field
This utility model belongs to technical field of medical instruments, is a kind of bone drill protector exactly.
Background technology
The fracture steel plate fixedly is one of common operation of orthopaedics at present, after treating fracture anatomical reduction in the art, steel plate is placed the fracture tension side, utilization operation power drill sees through the steel plate screw and holes in contiguous two broken ends of fractured bone skeletons of fracture with certain orientation, be screwed into screw, realize the effectively fixing of fracture.Owing to do not have a suitable boring protector at present, often boring excessively, the drill bit damage that causes the muscle, nervous tissue etc. of offside excessively to be holed, even the lifelong disabled future trouble of the patient of causing is arranged.In order to overcome this problem, designer of the present utility model has done conscientiously research, has proposed goal of the invention of the present utility model.
Summary of the invention
Goal of the invention of the present utility model is not have when overcoming present burst boring the deficiency of simple and safe suitable protector to put forward, and a kind of bone drill protector promptly is provided.
Technical solution of the present utility model is to realize like this; this bone drill protector; steel plate with fixing hole has taper hole at the two ends of steel plate, and taper hole is by the taper pin mount support on the rack leg; on support, has chute; assembling fairlead in the chute, fairlead top is positioning disk, its center has pilot hole; have a handle and a mounting angle plate on the positioning disk, mounting angle plate has slip bent plate with the co-axial dorsal pore of pilot hole by end of bolting.
Useful technique effect of the present utility model is: when the operation power drill is holed by positioning disk, can pre-estimate the diameter of skeleton or thickness so that regulate the position of slip bent plate, can effectively prevent since the operation power drill can not relatively accurately determine drilling depth in operation and locate cause to the damage problem of adjacent tissue as nerve, blood vessel, muscle etc.
Description of drawings
Accompanying drawing 1 is structure master's schematic views of the present utility model, and accompanying drawing 2 is left side cross section views of accompanying drawing 1, and accompanying drawing 3 is that A in the accompanying drawing 1 is to view.Sequence number in the accompanying drawings is described as: 1, steel plate, 2, support, 3, chute, 4, bolt, 5, the slip bent plate, 6, mounting angle plate, 7, positioning disk, 8, fixing hole, 9, taper pin, 10, pilot hole, 11, handle, 12, dorsal pore, 13, rack leg, 14, fairlead.
The specific embodiment
Below in conjunction with the embodiment that provides in the accompanying drawing, structure of the present utility model is elaborated.With reference to accompanying drawing; this bone drill protector; steel plate [1] with fixing hole [8]; two ends at steel plate have taper hole; taper hole is by taper pin [9] mount support [2] on the rack leg [13]; it is characterized in that on support, having chute [3]; assembling fairlead [14] in the chute; fairlead top is positioning disk [7]; its center has pilot hole [10]; have a handle [11] and a mounting angle plate [6] on the positioning disk, mounting angle plate [6] is fixed an end by bolt [4] and is had slip bent plate [5] with the co-axial dorsal pore of pilot hole [10] [12].Dorsal pore [12] is a bellmouth, preferably adopt carbide alloy or with operation power drill drill bit identical high-speed steel material, after the operation power drill bores the offside cortical bone, the tip portion of drill bit forms slip in this dorsal pore, even continue to enforce the operation power drill, can not cause skeleton boring is penetrated the damage of later adjacent tissue as nerve, blood vessel, muscle etc. yet.On the slip bent plate scale can be set, so that the operator determines the cardinal principle depth bounds of boring.In dorsal pore [12], can adopt the method for inlaying a carbide alloy cover to solve the shear action that produces when drill bit contacts with dorsal pore, prevent to adopt the issuable smear metal problem of common iron.
Claims (1)
1. bone drill protector; steel plate [1] with fixing hole [8]; two ends at steel plate have taper hole; taper hole is by taper pin [9] mount support [2] on the rack leg [13]; it is characterized in that on support, having chute [3]; assembling fairlead [14] in the chute; fairlead top is positioning disk [7]; its center has pilot hole [10]; have a handle [11] and a mounting angle plate [6] on the positioning disk, mounting angle plate [6] is fixed an end by bolt [4] and is had slip bent plate [5] with the co-axial dorsal pore of pilot hole [10] [12].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201026025U CN201586026U (en) | 2010-01-23 | 2010-01-23 | Bone drill protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201026025U CN201586026U (en) | 2010-01-23 | 2010-01-23 | Bone drill protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201586026U true CN201586026U (en) | 2010-09-22 |
Family
ID=42745791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201026025U Expired - Fee Related CN201586026U (en) | 2010-01-23 | 2010-01-23 | Bone drill protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201586026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105310755A (en) * | 2015-05-26 | 2016-02-10 | 闻泰医疗科技（上海）有限公司 | Shoulder joint scapula glenoid bone positioning device |
-
2010
- 2010-01-23 CN CN2010201026025U patent/CN201586026U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105310755A (en) * | 2015-05-26 | 2016-02-10 | 闻泰医疗科技（上海）有限公司 | Shoulder joint scapula glenoid bone positioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20110123 |