CN2553741Y - Adjustable hand craniotomy bit - Google Patents
Adjustable hand craniotomy bit Download PDFInfo
- Publication number
- CN2553741Y CN2553741Y CN 02268106 CN02268106U CN2553741Y CN 2553741 Y CN2553741 Y CN 2553741Y CN 02268106 CN02268106 CN 02268106 CN 02268106 U CN02268106 U CN 02268106U CN 2553741 Y CN2553741 Y CN 2553741Y
- Authority
- CN
- China
- Prior art keywords
- sleeve
- craniotomy
- chute
- bit
- drill
- 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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- Surgical Instruments (AREA)
Abstract
The utility model provides an adjustable hand craniotomy drill bit which consists of a drill head and a sleeve. Both sides of a chute is provided with fixing screws, a sliding plate inserts the cavity of the chute, and the drill head inserts the sleeve. One side of the sleeve is provided with scales, the diameter of the chute is bigger than the bit diameter. The utility model has advantages of simple operation, safe and easy use, accurate adjustable deepness of craniotomy, labor-saving, time-saving, low use-cost and reduced injury surface and complication in the process of craniotomy.
Description
Technical field
This utility model belongs to medical apparatus and instruments, is specially a kind of adjustable manual drill for craniotomy head.
Background technology
Be used for operation of opening cranium at present clinically and mostly be electronic cranium and bore, but because cost an arm and a leg, rapid wear, so most of hospital still bores as main operation of opening cranium instrument with hand cranium.And the defective of this medical apparatus and instruments: the one, it is unpredictable that drill bit enters the intracranial degree of depth in the brill cranium process; The 2nd, firmly irregular owing to the experience reason, cause drill bit to thrust in the cerebral tissue, cause serious consequence, even cause patient death thus; The 3rd, because too cautious, operating time prolongs relatively.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned defective, a kind of adjustable manual drill for craniotomy head is provided, and it has simple to operate, and is safe and convenient to use, the brill cranium degree of depth is accurately adjustable, time saving and energy saving, use cost is low, significantly reduced wound face and the complication opened in the cranium process.
Order of the present utility model is achieved through the following technical solutions: adjustable manual drill for craniotomy head, and it has drill bit, sleeve, is provided with fixed screw in the chute both sides, and slide plate is inserted in the chute cavity, and drill bit inserts in the sleeve again.Sleeve one side is provided with scale.The diameter of chute is greater than bit diameter.
The beneficial effects of the utility model are very obvious, and one, reasonable in design, make simply, easy to operate, it is accurately adjustable to bore the cranium degree of depth; The 2nd, but time saving and energy saving weight is used, it is low to reduce use cost, can significantly reduce wound face and the complication opened in the cranium process, and can avoid contingency to take place, guarantee medical safety, in clinical use, have certain promoting the use of and social, economic worth.
Description of drawings
Fig. 1 is a main TV structure sketch map of the present utility model;
Fig. 2 is the structural representation of Fig. 1 middle sleeve 5, slide plate 6;
Fig. 3 is the structural representation of Fig. 1 middle sleeve 2, chute 3.‘
The specific embodiment
Adjustable manual drill for craniotomy head,, adjustable manual drill for craniotomy head, it has drill bit 1, sleeve 2,5, is provided with fixed screw 4 in chute 3 both sides, and slide plate 6 is inserted in chutes 3 cavitys, drill bit 1 inserts in sleeve 2, the sleeve 5 again.Sleeve 2 is provided with scale 7 with sleeve 5 one sides.The diameter of chute 3 is greater than drill bit 1 diameter.
When this utility model uses, by the scale 7 on the chute 3, adjust the degree of depth that needs to bore cranium according to CT sheet display result and requirements of operation; At first slide plate 6 is inserted in the chute 3, again drill bit 1 is inserted in sleeve 2, the sleeve 5, slide plate 6 is adjusted to the required degree of depth that pierces, tighten the fixed screw 4 of chute 3 both sides.In the time of in piercing skull, slide plate 6 upwards slides in chute 3, and fixed screw 4 blocks slide plate 6 stop motions when reaching the degree of depth of regulation; Therefore prevented from fully the fortuitous event that drill bit thrusts in the cerebral tissue to be taken place, guaranteed out cranium safety because of undue force or the mistake of lacking experience.
Claims (3)
1, adjustable manual drill for craniotomy head, it has drill bit (1), sleeve (2,5), it is characterized in that: be provided with fixed screw (4) in chute (3) both sides, slide plate (6) is inserted in chute (3) cavity, drill bit (1) inserts in sleeve (2), the sleeve (5) again.
2, adjustable manual drill for craniotomy head according to claim 1 is characterized in that: sleeve (2) is provided with scale (7) with sleeve (5) one sides.
3, adjustable manual drill for craniotomy head according to claim 1 is characterized in that: the diameter of chute (3) is greater than drill bit (1) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02268106 CN2553741Y (en) | 2002-07-08 | 2002-07-08 | Adjustable hand craniotomy bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02268106 CN2553741Y (en) | 2002-07-08 | 2002-07-08 | Adjustable hand craniotomy bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2553741Y true CN2553741Y (en) | 2003-06-04 |
Family
ID=33733585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02268106 Expired - Fee Related CN2553741Y (en) | 2002-07-08 | 2002-07-08 | Adjustable hand craniotomy bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2553741Y (en) |
-
2002
- 2002-07-08 CN CN 02268106 patent/CN2553741Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |