CN204147086U - A kind of skull drill bit with stop - Google Patents
A kind of skull drill bit with stop Download PDFInfo
- Publication number
- CN204147086U CN204147086U CN201420370572.4U CN201420370572U CN204147086U CN 204147086 U CN204147086 U CN 204147086U CN 201420370572 U CN201420370572 U CN 201420370572U CN 204147086 U CN204147086 U CN 204147086U
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- CN
- China
- Prior art keywords
- drill bit
- stop
- limit bolt
- spacing hole
- rod
- 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
This utility model relates to medical instruments field, be specifically related to a kind of skull drill bit with stop, to solve the wayward penetration depth of existing drill bit, easily enter the shortcoming of intracranial injury cerebral tissue, the stop comprising drill bit and can be arranged on drill bit, it is characterized in that: the described drill bit body of rod is provided with multiple spacing hole, described stop center bore and bit diameter match, stop side is provided with a limit bolt, the lower end of limit bolt and the spacing hole of the drill bit body of rod match, in limit bolt, to be provided with one section of pin convex in lower end, and it is tactile to sell the convex spring interface with being arranged on stop inside, there is one deck elastic layer described stop front end also tight adhesion.The beneficial effects of the utility model are, can limit the punching degree of depth, cushioned drill bit impulse force, preventing drill bit from entering intracranial injury cerebral tissue, playing protection sufferer, facilitating the effect that medical personnel operate when opening cranium punching.
Description
Technical field
This utility model relates to medical instruments field, is specifically related to a kind of skull drill bit with stop.
Technical background
At present, clinically for Neurosurgical Patients carry out operation of opening cranium time, most employing cranial drill punching, existing hand cranial drill is that doctor controls penetration depth with feel mostly, careless slightly, drill bit easily enters intracranial injury cerebral tissue, causes accidental injury to patient, therefore requires very high to the operant level of medical personnel.
Utility model content
According to the deficiencies in the prior art, this utility model provides a kind of skull drill bit with stop, can limit the punching degree of depth, cushioned drill bit impulse force, prevent drill bit from entering the feature of intracranial injury cerebral tissue when having out cranium punching.
A kind of skull drill bit with stop described in the utility model, the stop comprising drill bit and can be arranged on drill bit, it is characterized in that: the described drill bit body of rod is provided with multiple spacing hole, described stop center bore and bit diameter match, stop side is provided with a limit bolt, the lower end of limit bolt and the spacing hole of the drill bit body of rod match, in limit bolt, to be provided with one section of pin convex in lower end, and it is tactile to sell the convex spring interface with being arranged on stop inside, there is one deck elastic layer described stop front end also tight adhesion.
As preferably, the spacing hole on the described drill bit body of rod has 2 ~ 3.
As preferably, multiple spacing holes of the described drill bit body of rod are cylinder, and match with the cylinder of limit bolt bottom.
As preferably, described elastic layer material is medical latex.
Operation principle: department of cerebral surgery sufferer, before carrying out operation of opening cranium, through CT examination determination lesions position, and can determine drill bit punch position and the punching degree of depth.According to the punching degree of depth, select the spacing hole of correct position on craniotome drill, upwards lifted by limit bolt, spring-compressed is to the most in short-term, and the bottom of limit bolt enters the perforate of stop side completely.Inserted by drill bit in stop, when moving to correspondence position spacing hole, unclamp limit bolt, limit bolt bottom enters in spacing hole, and namely stop and drill bit are fixed together.
The beneficial effects of the utility model are, can limit the punching degree of depth, cushioned drill bit impulse force, preventing drill bit from entering intracranial injury cerebral tissue, playing protection sufferer, facilitating the effect that medical personnel operate when opening cranium punching.
Accompanying drawing explanation
Fig. 1 is a kind of skull drill bit cross-sectional view with stop of this utility model.
In figure, 1: drill bit, 2: stop, 3: spacing hole, 4: limit bolt, 5: sell convex, 6: spring, 7: elastic layer.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, the skull drill bit of the band stop in the present embodiment technical scheme comprises: drill bit 1, the stop 2 matched with drill bit 1 aperture, spacing hole 3 on the drill bit body of rod, the limit bolt 4 matched with spacing hole 3, be arranged on stop 2 inner, the spring 6 contacted with the pin convex 5 of limit bolt 4 bottom, sticks to the elastic layer 7 of stop 2 front end.
Department of cerebral surgery sufferer, before carrying out operation of opening cranium, through CT examination determination lesions position, and can determine drill bit punch position and the punching degree of depth.According to the punching degree of depth, drill bit 1 is selected the spacing hole 3 of correct position, upwards lifted by limit bolt 4, sell convex 5 Compress Springs 6, the bottom of limit bolt 4 enters the perforate of stop 2 side completely, now, can drill bit 1 be inserted in stop 2, when moving to the spacing hole 3 of correspondence position, unclamp limit bolt 4, limit bolt 4 bottom enters in spacing hole 3, and namely stop 2 and drill bit 1 are fixed together.
Wherein, the spacing hole 3 on the described drill bit body of rod has 3, and multiple spacing holes 3 of described drill bit 1 body of rod are cylinder, and match with the cylinder of limit bolt 4 bottom.
In addition, described stop 2 front end tight adhesion has one deck elastic layer 7, and its material is medical latex, can play the effect of cushioned drill bit impulse force.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. the skull drill bit with stop, the stop comprising drill bit and can be arranged on drill bit, it is characterized in that: the described drill bit body of rod is provided with multiple spacing hole, described stop center bore and bit diameter match, stop side is provided with a limit bolt, the lower end of limit bolt and the spacing hole of the drill bit body of rod match, in limit bolt, to be provided with one section of pin convex in lower end, and it is tactile to sell the convex spring interface with being arranged on stop inside, there is one deck elastic layer described stop front end also tight adhesion.
2. a kind of skull drill bit with stop as claimed in claim 1, is characterized in that: the spacing hole on the described drill bit body of rod has 2 ~ 3.
3. a kind of skull drill bit with stop as claimed in claim 1, is characterized in that: multiple spacing holes of the described drill bit body of rod are cylinder, and match with the cylinder of limit bolt bottom.
4. a kind of skull drill bit with stop as claimed in claim 1, is characterized in that: described elastic layer material is medical latex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420370572.4U CN204147086U (en) | 2014-07-04 | 2014-07-04 | A kind of skull drill bit with stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420370572.4U CN204147086U (en) | 2014-07-04 | 2014-07-04 | A kind of skull drill bit with stop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204147086U true CN204147086U (en) | 2015-02-11 |
Family
ID=52505246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420370572.4U Expired - Fee Related CN204147086U (en) | 2014-07-04 | 2014-07-04 | A kind of skull drill bit with stop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204147086U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105055013A (en) * | 2015-08-28 | 2015-11-18 | 四川大学华西医院 | Adjustable depth-limiting impactor for spine |
| CN105380697A (en) * | 2015-12-28 | 2016-03-09 | 何黎民 | Shovel type fixed-depth safety cone awl cranium hand drill |
| CN109464232A (en) * | 2019-01-02 | 2019-03-15 | 京东方科技集团股份有限公司 | Clamping plate and its operating method |
| CN113456284A (en) * | 2021-08-13 | 2021-10-01 | 中南大学湘雅二医院 | Rat craniocerebral model preparation device |
-
2014
- 2014-07-04 CN CN201420370572.4U patent/CN204147086U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105055013A (en) * | 2015-08-28 | 2015-11-18 | 四川大学华西医院 | Adjustable depth-limiting impactor for spine |
| CN105055013B (en) * | 2015-08-28 | 2017-04-26 | 四川大学华西医院 | Adjustable depth-limiting impactor for spine |
| CN105380697A (en) * | 2015-12-28 | 2016-03-09 | 何黎民 | Shovel type fixed-depth safety cone awl cranium hand drill |
| CN105380697B (en) * | 2015-12-28 | 2017-10-24 | 何黎民 | Spade-type depthkeeping degree bores safely cranium hand drill |
| CN109464232A (en) * | 2019-01-02 | 2019-03-15 | 京东方科技集团股份有限公司 | Clamping plate and its operating method |
| CN113456284A (en) * | 2021-08-13 | 2021-10-01 | 中南大学湘雅二医院 | Rat craniocerebral model preparation device |
| CN113456284B (en) * | 2021-08-13 | 2023-02-28 | 中南大学湘雅二医院 | Rat craniocerebral model preparation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20150704 |
|
| EXPY | Termination of patent right or utility model |