CN100473363C - Protectors for bone drilling - Google Patents
Protectors for bone drilling Download PDFInfo
- Publication number
- CN100473363C CN100473363C CNB2007100151054A CN200710015105A CN100473363C CN 100473363 C CN100473363 C CN 100473363C CN B2007100151054 A CNB2007100151054 A CN B2007100151054A CN 200710015105 A CN200710015105 A CN 200710015105A CN 100473363 C CN100473363 C CN 100473363C
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- CN
- China
- Prior art keywords
- plate
- high resiliency
- adjustable slide
- slide plate
- shape location
- 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 bone drilling protector as medical equipment for controlling the drilling depth in bone operation includes one adjustable bent elastic sliding board, one butterfly bolt and one bent Y-shaped locating board. The adjustable bent elastic sliding board has one regulating slot and one round inserting end; and the bent Y-shaped locating board includes one stem section with one regulating slot and two branch sections serving as the clamping arms and with connected sharp nails. The adjustable bent elastic sliding board and the bent Y-shaped locating board are connected with the butterfly bolt in the regulating slots.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, relate in particular to a kind of protectors for bone drilling.
Background technology
Now, in the fracture fixation operation, must on skeleton, hole fixedly the time with plate screw, during operation, operator directly towards part only be to cut to peel off the bone portion that the back exposes, and the back of skeleton can not directly be seen, and cutting the scope of peeling off on principle can not be too big, otherwise can influence knitting, therefore, the degree of depth of uncontrollable boring.When the cortical bone of the saturating back of bit drills, it is dark to cause drill bit to thrust as the degree of depth that can not fine keyhole, particularly when the drill bit high speed rotating, is easy to stab or twine muscle, blood vessel, the nerve of damage skeleton back, brings serious consequence.No matter be the doctor that the working time is short, experience is not abundant, or the very high doctor of the age and service seniority all might be taken place.
Summary of the invention
The purpose of this invention is to provide a kind of can keyhole when performing an operation the protectors for bone drilling of the degree of depth.
For achieving the above object, the technical solution used in the present invention is:
A kind of protectors for bone drilling comprises: the Y shape location-plate of crooked high resiliency adjustable slide plate, wing bolt, bending, and it is characterized in that: have the adjusting chute on the high resiliency adjustable slide plate, high resiliency adjustable slide plate front end is the round blunt shape insertion end; Have the adjusting chute on the trunk section of Y shape location-plate, two of Y shape location-plate branch into the card arm, and two card arm inboards are connected with pointed bail respectively; The high resiliency adjustable slide plate is fixedlyed connected at the adjusting chute of high resiliency adjustable slide plate, the adjusting chute place of Y shape location-plate by wing bolt with Y shape location-plate.
Utilize the present invention when holing, can effectively hold the degree of depth of boring, can not make drill bit stab or twine muscle, blood vessel, the nerve of damage skeleton back to skeleton.
Description of drawings
Figure is a structural representation of the present invention.
In the accompanying drawing:
1, high resiliency adjustable slide plate; 11, round blunt shape insertion end; 12, regulate chute;
2, wing bolt; 3, Y shape location-plate; 31, regulate chute;
32, card arm; 33, pointed bail.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is further described:
A kind of protectors for bone drilling as shown in the figure, comprising: the Y shape location-plate 3 of crooked high resiliency adjustable slide plate 1, wing bolt 2, bending, and have on the high resiliency adjustable slide plate 1 and regulate chute 12, high resiliency adjustable slide plate 1 front end is a round blunt shape insertion end 11; Have on the trunk section of Y shape location-plate 3 and regulate chute 31, two of Y shape location-plate 3 branch into 32, two cards of card arm arm, 32 inboards and are connected with pointed bail 33 respectively; High resiliency adjustable slide plate 1 is fixedlyed connected at the adjusting chute 12 of high resiliency adjustable slide plate, adjusting chute 31 places of Y shape location-plate by wing bolt 2 with Y shape location-plate 3.
The present invention is made by the high resiliency steel disc, be bending under the naturalness when not using, form by high resiliency adjustable slide plate 1 and Y shape location-plate 3 two parts, the end of high resiliency adjustable slide plate 1 is a round blunt shape insertion end 11, and two card arm 32 terminal inboards of Y shape location-plate 3 are respectively equipped with a pointed bail 33.High resiliency adjustable slide plate 1 and Y shape location-plate 3 link together by wing bolt 2 at adjusting chute 12 and adjusting chute 31 places; can high resiliency adjustable slide plate 1 and Y shape location-plate 3 be relatively moved by unscrewing wing bolt 2; to prolong or to shorten this protector, to adapt to the skeleton of different thicknesses, different parts.
When the present invention manipulates; regulate the length of protector earlier according to the thickness of skeleton; the round blunt shape insertion end 11 of high resiliency adjustable slide plate 1 is inserted to the back of skeleton along the upper limb that partly exposes skeleton; the card arm 32 of Y shape location-plate 3 is positioned at the exposure (being this one side that operator is faced) of skeleton; protector blocks skeleton by the elastical retraction of himself; pointed bail 33 avoids two card arms 32 to move attached to bone surface; midline position at two card arm 32 angles can be holed; when drill bit penetrates into the skeleton opposite; then must touch the steel disc of round blunt shape insertion end 11, thereby protect the blood vessel of skeleton rear side definitely; muscle; tissues such as nerve.
After boring finishes, with the depth finder thickness of energy measurement skeleton also so that the screw of selecting to be fit to fixes, from and brought into play adjection of the present invention.
Embodiment recited above is described preferred implementation of the present invention; be not that design of the present invention and scope are limited; under the prerequisite that does not break away from design concept of the present invention; common engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
Claims (1)
1, a kind of protectors for bone drilling, comprise: the Y shape location-plate (3) of crooked high resiliency adjustable slide plate (1), wing bolt (2), bending, it is characterized in that: have on the high resiliency adjustable slide plate (1) and regulate chute (12), high resiliency adjustable slide plate (1) front end is round blunt shape insertion end (11); Have on the trunk section of Y shape location-plate (3) and regulate chute (31), two of Y shape location-plate (3) branch into card arm (32), and two card arm (32) inboards are connected with pointed bail (33) respectively; High resiliency adjustable slide plate (1) is located to fixedly connected at the adjusting chute (12) of high resiliency adjustable slide plate, the adjusting chute (31) of Y shape location-plate by wing bolt (2) with Y shape location-plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100151054A CN100473363C (en) | 2007-07-04 | 2007-07-04 | Protectors for bone drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100151054A CN100473363C (en) | 2007-07-04 | 2007-07-04 | Protectors for bone drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101081174A CN101081174A (en) | 2007-12-05 |
| CN100473363C true CN100473363C (en) | 2009-04-01 |
Family
ID=38911107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100151054A Expired - Fee Related CN100473363C (en) | 2007-07-04 | 2007-07-04 | Protectors for bone drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100473363C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104287808B (en) * | 2014-10-28 | 2017-05-10 | 张晖 | Osteotomy device used in ankle arthrodesis |
| CN109157298A (en) * | 2018-08-15 | 2019-01-08 | 文居亭 | A kind of protecting device special for dental clinical tooth preparation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3835849A (en) * | 1973-01-26 | 1974-09-17 | Guire G Mc | Bone clamp and adjustable drill guide |
| US3867932A (en) * | 1974-01-18 | 1975-02-25 | Donald R Huene | Assembly for inserting rigid shafts into fractured bones |
| GB1448111A (en) * | 1973-01-30 | 1976-09-02 | Crabbe W A | Device for the fixation of bone fractures |
-
2007
- 2007-07-04 CN CNB2007100151054A patent/CN100473363C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3835849A (en) * | 1973-01-26 | 1974-09-17 | Guire G Mc | Bone clamp and adjustable drill guide |
| GB1448111A (en) * | 1973-01-30 | 1976-09-02 | Crabbe W A | Device for the fixation of bone fractures |
| US3867932A (en) * | 1974-01-18 | 1975-02-25 | Donald R Huene | Assembly for inserting rigid shafts into fractured bones |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101081174A (en) | 2007-12-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20090401 |