CN113768578B - Disposable automatic stop limit skull drill chuck - Google Patents
Disposable automatic stop limit skull drill chuck Download PDFInfo
- Publication number
- CN113768578B CN113768578B CN202010520032.XA CN202010520032A CN113768578B CN 113768578 B CN113768578 B CN 113768578B CN 202010520032 A CN202010520032 A CN 202010520032A CN 113768578 B CN113768578 B CN 113768578B
- Authority
- CN
- China
- Prior art keywords
- hole
- sliding hole
- chuck
- tail cap
- rear seat
- 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.)
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- 210000003625 skull Anatomy 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000003892 spreading Methods 0.000 claims abstract description 8
- 230000007480 spreading Effects 0.000 claims abstract description 8
- 238000004049 embossing Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 3
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1695—Trepans or craniotomes, i.e. specially adapted for drilling thin bones such as the skull
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/162—Chucks or tool parts which are to be held in a chuck
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Neurosurgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a disposable automatic stop limit skull drill chuck, comprising: the clamping device comprises a rear seat, a clamping mechanism and a limiting mechanism, wherein a plurality of clamping blocks are arranged at the front end part in a chuck along the circumferential direction, adjacent clamping blocks are connected through a spreading spring, a tail cap is in threaded connection with the chuck, a first through hole is formed in the center of the tail cap, and a converter is in threaded connection with the tail cap; the second through hole has been seted up to the backseat upper end, and the center pin is provided with in the backseat, and center pin one end passes the second through hole outside the backseat, and the center pin other end is provided with the installation pole, and the converter corresponds the installation pole and is provided with the mounting groove, and the installation pole sets up in the mounting groove, is provided with the pipe in the sleeve. As described above, the disposable self-stopping limiting skull drill chuck solves the problem that an electric bone drill in the prior art lacks of self-stopping and has a limiting function, has reasonable design and is suitable for production, popularization and application.
Description
Technical Field
The invention relates to the field of surgical devices, in particular to a disposable automatic stop limit skull drill chuck.
Background
The electric bone drill for the surgical operation is a power device for providing mechanical power to implement the bone tissue operation, after years of development, the function is gradually developed from one function to multiple functions from the original one, and the traditional nickel-hydrogen battery is developed into a lithium battery from the power aspect, so that the safety factor is mainly considered in the neurosurgery operation, doctors can consider the use of the power device with a certain safety protection function in the operation, such as a hand-held electric bone drill with an automatic stop function, and the bone drill is characterized in that a special mechanical structure is mainly designed on a drill bit, once the drill bit penetrates through the skull during the implementation operation, a supporting point is not arranged below the drill bit, and the bone drill can rapidly lose power to stop rotating; the skull drill with the limit on the other side also has certain safety, mainly comprises a mechanical structure and then adjusts the cutting depth of the drill bit, so that the over-drilling is prevented under the condition of the known depth before the operation, and the operation is influenced, and therefore, the structure is more designed on the drill bit. At present, the electric bone drill has no function of stopping automatically and limiting.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention aims to provide a disposable self-stopping limiting skull drill chuck, which is used for solving the problem that the electric bone drill in the prior art lacks both self-stopping and limiting functions.
To achieve the above and other related objects, the present invention provides a disposable self-stopping limit skull drill chuck comprising: the clamping mechanism comprises a chuck, clamping blocks, a spreading spring, a pressing head, a tail cap and a converter, wherein a plurality of clamping blocks are arranged at the front end part in the chuck along the circumferential direction, the adjacent clamping blocks are connected through the spreading spring, the pressing head is arranged above the clamping blocks, a first internal thread is arranged on the inner side wall of the chuck, a first external thread matched with the first internal thread is arranged on the outer side wall of the tail cap, the tail cap is in threaded connection with the chuck through the first internal thread matched with the first external thread, a first through hole is formed in the center of the tail cap, a second internal thread matched with the second internal thread is arranged on the inner side wall of the first through hole, and the converter is in threaded connection with the tail cap through the second internal thread matched with the second external thread;
An outer cover shell is sleeved outside the rear seat; the limiting mechanism comprises a mounting rod, a guide pipe, a sleeve, a limit switch, a guide pipe spring and a sleeve, wherein a central shaft is arranged in a rear seat, the central shaft and the rear seat are coaxially arranged, a second through hole is formed in the upper end of the rear seat, one end of the central shaft penetrates through the second through hole to the outside of the rear seat, the other end of the central shaft is provided with the mounting rod, the converter is provided with a mounting groove corresponding to the mounting rod, the mounting rod is arranged in the mounting groove, the mounting rod can slide along the mounting groove, the upper end of a tail cap is provided with the sleeve, the sleeve is internally provided with the guide pipe, the limit switch comprises a limiting block and a limiting rod, a first long-shaped sliding hole is formed in the sleeve, a second long-shaped sliding hole is formed in the rear seat corresponding to the first sliding hole, a third long-shaped sliding hole is formed in the outer cover, the bottom of the guide pipe is connected with one end of the limiting rod, the other end of the limiting rod sequentially penetrates through the first sliding hole, the third sliding hole and the third through hole are sequentially formed in the outer cover, the third sliding hole is connected with the outer cover by the third through hole and the third through hole, the third through hole is connected with the outer cover by the threaded bolt, and the threaded bolt is connected with the other end of the outer cover;
the catheter is characterized in that the other end of the catheter extends out of the sleeve and is connected with the inner side wall of the rear seat, the catheter spring is arranged on the outer side of the catheter, one end of the catheter spring is connected with the sleeve, and the other end of the catheter spring is connected with the catheter.
As a preferable technical scheme, the outer surface of the chuck is provided with embossing.
As a preferable technical scheme, a rotating bearing is arranged in the second through hole, and the central shaft is connected with the second through hole through the rotating bearing.
As an optimal technical scheme, three clamping blocks are selected.
As described above, the disposable automatic stop limit skull drill chuck has the following beneficial effects: the front end of the chuck is cone-shaped, the chuck, the clamping block and the expanding spring are matched to clamp the drill bit, the expanding spring is used for preventing the drill bit from vibrating and loosening in the working process, the relative height between the central shaft and the chuck can be adjusted through the limit switch, namely, the bolt is loosened, the limiting block can be moved, the limiting block drives the limiting rod to move upwards or downwards, the limiting rod drives the guide pipe to move upwards or downwards, the guide pipe drives the rear seat to move upwards or downwards, the rear seat drives the central shaft to move upwards or downwards, the relative height between the central shaft and the chuck is adjusted, when the drill bit reaches the limiting depth, the mounting rod at the bottom of the central shaft is separated from the converter, namely, the drill bit loses power, and the automatic stop is realized and has a limiting function.
Drawings
FIG. 1 shows a schematic diagram of a disposable self-stopping limiting skull drill chuck disclosed in an embodiment of the invention;
FIG. 2 is a schematic view showing the structure of a disposable self-stopping limiting skull drill chuck at a clamping block in an embodiment of the invention;
FIG. 3 is a view showing the state of the clamping blocks in the disposable self-stopping limiting skull drill chuck for clamping a drill bit disclosed in the embodiment of the invention;
FIG. 4 is a view showing the state of the clamp block in the disposable self-stopping limiting skull drill chuck releasing the drill bit disclosed in the embodiment of the invention;
FIG. 5 shows a semi-sectional view of the disposable self-stopping limit skull drill chuck at the middle and rear seat disclosed in an embodiment of the invention;
FIG. 6 shows a semi-sectional view of the disposable stop-stop limit skull drill chuck at the outer housing disclosed in an embodiment of the invention;
wherein, the reference numerals specifically explain as follows: 1. a rear seat; 2. a catheter spring; 3. a sleeve; 4. an outer housing; 5. a tail cap; 6. a converter; 7. a rotating bearing; 8. a central shaft; 9. a conduit; 10. a limit rod; 11. a pressurizing head; 12. clamping blocks; 13. a chuck; 14. a spreading spring; 15. a mounting rod; 16. a limiting block; 17. a bolt; 18. a chute; 19. a first slide hole.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Please refer to fig. 1 to 6. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
Referring to fig. 1 to 6, the present invention provides a disposable self-stopping limit skull drill chuck, comprising: the clamping mechanism comprises a clamping head 13, clamping blocks 12, a spreading spring 14, a pressurizing head 11, a tail cap 5 and a converter 6, wherein a plurality of clamping blocks 12 are arranged at the front end part in the clamping head 13 along the circumferential direction, the adjacent clamping blocks 12 are connected through the spreading spring 14, the pressurizing head 11 is arranged above the clamping blocks 12, a first internal thread is arranged on the inner side wall of the clamping head 13, a first external thread matched with the first internal thread is arranged on the outer side wall of the tail cap 5, the tail cap 5 is in threaded connection with the clamping head 13 through the first internal thread and the first external thread, a first through hole is formed in the central position of the tail cap 5, a second internal thread matched with the second internal thread is arranged on the inner side wall of the first through hole, and the converter 6 is in threaded connection with the tail cap 5 through the second internal thread and the second external thread; the outer cover shell 4 is sleeved outside the rear seat 1, and the outer cover shell 4 is arranged to seal the rear seat 1 and the tail cap 5; the limiting mechanism comprises a mounting rod 15, a guide pipe 9, a sleeve 3, a limiting switch, a guide pipe spring 2 and the sleeve 3, wherein a central shaft 8 is arranged in a rear seat 1, the central shaft 8 and the rear seat 1 are coaxially arranged, a second through hole is formed in the upper end of the rear seat 1, one end of the central shaft 8 penetrates through the second through hole to the outside of the rear seat 1, the other end of the central shaft 8 is provided with the mounting rod 15, a converter 6 is provided with a mounting groove corresponding to the mounting rod 15, the mounting rod 15 is arranged in the mounting groove, the mounting rod 15 can slide along the mounting groove, the upper end of a tail cap 5 is provided with the sleeve 3, the guide pipe 9 is arranged in the sleeve 3, the limiting switch comprises a limiting block 16 and a limiting rod 10, a first long-shaped sliding hole 19 is formed in the sleeve 3, a second long-shaped sliding hole is formed in the rear seat 1 corresponding to the first sliding hole 19, a third long-shaped sliding hole is formed in the outer cover shell 4, the bottom of the guide pipe 9 is connected with one end of the limiting rod 10, the other end of the limiting rod 10 sequentially penetrates through the first sliding hole 19, the second sliding hole and the third sliding hole are connected with the third through the outer cover shell 4, the other end of the limiting rod 10 is connected with the limiting block 16, the third through hole is connected with the third through hole 17, and a threaded bolt 17 is connected with the third through the inner through hole 17 in a threaded bolt; the other end of the guide pipe 9 extends out of the sleeve 3 and is connected with the inner side wall of the rear seat 1, a guide pipe spring 2 is arranged on the outer side of the guide pipe 9, one end of the guide pipe spring 2 is connected with the sleeve 3, and the other end of the guide pipe spring 2 is connected with the guide pipe 9.
The disposable automatic stop limit skull drill chuck provided by the embodiment, the outer surface of the chuck 13 is provided with embossing, and the embossing is arranged to enable the outer surface of the chuck 13 to be rough, so that the chuck 13 can be held conveniently.
The disposable automatic stop limit skull drill chuck provided by the embodiment is provided with a rotary bearing 7 in the second through hole, and a central shaft 8 is connected with the second through hole through the rotary bearing 7.
The disposable automatic stop limiting skull drill chuck provided by the embodiment has three clamping blocks 12.
In specific use: when the clamping block 12 is required to clamp the drill bit, the drill bit is placed in the clamping head 13, the clamping head 13 is held by hand, the central shaft 8 is rotated, the central shaft 8 drives the converter 6 to rotate, the converter 6 moves downwards relative to the tail cap 5, the pressurizing head 11 is gradually pushed, and as shown in fig. 3, the pressurizing head 11 extrudes the clamping block 12 to clamp the drill bit. When the drill bit needs to be loosened, the central shaft 8 is reversed, the central shaft 8 drives the converter 6 to rotate, the converter 6 moves upwards relative to the tail cap 5, as shown in fig. 4, the clamping block 12 can be jacked up by the reaction force of the propping spring 14, and the backward movement is completed.
When the drill bit is clamped, the central shaft 8 is connected with a power source to rotate so as to drive the drill bit to rotate, and when the drill bit reaches the limiting depth, the mounting rod 15 at the bottom of the central shaft 8 is separated from the converter 6, namely the central shaft 8 is connected with the power source, the power source drives the central shaft 8 to rotate, the central shaft 8 does not move up and down, the central shaft 8 drives the converter 6 to rotate, the converter 6 drives the tail cap 5 to rotate, the tail cap 5 drives the chuck 13 to rotate, and the chuck 13 drives the clamp block 12 to rotate, namely the drill bit is driven to rotate; in the process of rotating cutting and downward moving, the drill bit drives the clamping block 12 to move downward, namely the chuck 13 and the tail cap 5 are driven to move downward, the tail cap 5 drives the converter 6 to move downward, the central shaft 8 is kept in place in the process of moving downward the converter 6, namely the mounting rod 15 at the bottom of the central shaft 8 slowly slides out of the mounting groove in the converter 6, and when the mounting rod 15 slides out of the mounting groove in the converter 6, namely the mounting rod at the bottom of the central shaft 8 is separated from the converter 6, the drill bit loses power, and the automatic stop is realized and the limiting function is realized.
In conclusion, the disposable automatic stop limit skull drill chuck solves the problem that an electric bone drill in the prior art lacks of automatic stop and has a limit function, has reasonable design and is suitable for production, popularization and application. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (2)
1. Disposable stop limit skull drill chuck, its characterized in that includes: the clamping mechanism comprises a chuck, clamping blocks, a spreading spring, a pressing head, a tail cap and a converter, wherein a plurality of clamping blocks are arranged at the inner front end part of the chuck along the circumferential direction, the adjacent clamping blocks are connected through the spreading spring, the pressing head is arranged above the clamping blocks, embossing is arranged on the outer surface of the chuck, a first internal thread is arranged on the inner side wall of the chuck, a first external thread matched with the first internal thread is arranged on the outer side wall of the tail cap, the tail cap is in threaded connection with the chuck through the first internal thread matched with the first external thread, a first through hole is formed in the center of the tail cap, a second internal thread matched with the second internal thread is arranged on the inner side wall of the first through hole, and the converter is in threaded connection with the tail cap through the second internal thread matched with the second external thread;
An outer cover shell is sleeved outside the rear seat; the limiting mechanism comprises a mounting rod, a guide pipe, a sleeve, a limit switch, a guide pipe spring and a sleeve, wherein a central shaft is arranged in a rear seat, the central shaft and the rear seat are coaxially arranged, a second through hole is formed in the upper end of the rear seat, a rotary bearing is arranged in the second through hole, the central shaft is connected with the second through hole through the rotary bearing, one end of the central shaft passes through the second through hole to the outside of the rear seat, the other end of the central shaft is provided with the mounting rod, the converter is provided with a mounting groove corresponding to the mounting rod, the mounting rod is arranged in the mounting groove, the mounting rod slides along the mounting groove, the upper end of a tail cap is provided with the sleeve, a guide pipe is arranged in the sleeve, the limit switch comprises a limiting block and a limit rod, a first sliding hole with a long length is formed in the sleeve, a third sliding hole is formed in the rear seat corresponding to the first sliding hole, a third sliding hole is formed in the outer cover corresponding to the second sliding hole, the third sliding hole is connected with the third through hole is formed in the outer cover, the third sliding hole is connected with the third sliding hole, the other end of the third sliding hole is connected with the outer cover, the third sliding hole is connected with the other end of the third sliding hole, and the other end is connected with the third sliding hole is provided with the third sliding hole, and the other end is connected with the third sliding hole;
the catheter is characterized in that the other end of the catheter extends out of the sleeve and is connected with the inner side wall of the rear seat, the catheter spring is arranged on the outer side of the catheter, one end of the catheter spring is connected with the sleeve, and the other end of the catheter spring is connected with the catheter.
2. A disposable self-stopping limiting skull drill chuck according to claim 1, wherein three clamping blocks are selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520032.XA CN113768578B (en) | 2020-06-09 | 2020-06-09 | Disposable automatic stop limit skull drill chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520032.XA CN113768578B (en) | 2020-06-09 | 2020-06-09 | Disposable automatic stop limit skull drill chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113768578A CN113768578A (en) | 2021-12-10 |
| CN113768578B true CN113768578B (en) | 2024-05-10 |
Family
ID=78834484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010520032.XA Active CN113768578B (en) | 2020-06-09 | 2020-06-09 | Disposable automatic stop limit skull drill chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113768578B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114869394B (en) * | 2022-05-09 | 2023-11-21 | 祐樘(南京)软件科技有限公司 | Electric bone drill |
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|---|---|---|---|---|
| GB199980A (en) * | 1922-08-17 | 1923-07-05 | John Valentine Janin | Improvements in or relating to bit-holding chucks |
| JP2000280133A (en) * | 1999-03-30 | 2000-10-10 | Hitachi Via Mechanics Ltd | Drill retainer for printed circuit board machining apparatus |
| US6409181B1 (en) * | 2000-07-19 | 2002-06-25 | Chun Chu Hsueh | Combination type electric drill chuck structure |
| CN2683040Y (en) * | 2004-03-26 | 2005-03-09 | 马东方 | Bone perforating bit capable of stopping in case of penetrating |
| CN2745519Y (en) * | 2004-11-08 | 2005-12-14 | 郝支军 | Self-stopping type hand electric dual-purpose craniotome drill |
| CN203591296U (en) * | 2013-11-13 | 2014-05-14 | 王兵 | Craniotomy drill |
| CN203662844U (en) * | 2013-12-31 | 2014-06-25 | 重庆西山科技有限公司 | Skull drill bit capable of being repeatedly used and automatically stopping while drilling through skull |
| CN206183326U (en) * | 2016-08-22 | 2017-05-24 | 上海博进医疗器械有限公司 | Automatic stop cranial drill |
| CN206491837U (en) * | 2016-11-14 | 2017-09-15 | 北京华想联合科技有限公司 | Manual orthopaedics is bored |
| CN107876834A (en) * | 2017-11-03 | 2018-04-06 | 徐应盈 | A kind of high stability hand held electric drill for being easily changed drill bit |
| CN208323182U (en) * | 2018-07-03 | 2019-01-04 | 成都市萨尼医疗器械有限公司 | A kind of cartridge device of adjustable clamping length |
| CN208662584U (en) * | 2018-08-01 | 2019-03-29 | 中国航空工业集团公司雷华电子技术研究所 | A kind of counterbore limiting device |
| CN110539216A (en) * | 2019-09-17 | 2019-12-06 | 深圳市友创智能设备有限公司 | Bar grinds cutting and uses tool head |
| CN210160470U (en) * | 2019-06-04 | 2020-03-20 | 丹阳市环宇特钢有限公司 | Cobalt-containing twist drill with good wear resistance of coating |
| CN210472220U (en) * | 2019-03-28 | 2020-05-08 | 华志微创医疗科技（北京）有限公司 | Mechanical automatic stop device of skull drill |
| CN212307955U (en) * | 2020-06-09 | 2021-01-08 | 大连七颗星医疗器械有限公司 | Disposable self-stop limiting skull drill chuck |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6543971B2 (en) * | 2001-03-07 | 2003-04-08 | Matthew W. Mawhinney | Depth sensitive clutch mechanism for drill |
| US20050029753A1 (en) * | 2003-08-07 | 2005-02-10 | Tsung-Hsun Yang | Drill chuck with a jaw control mechanism |
| US20080056836A1 (en) * | 2006-08-30 | 2008-03-06 | Hsuan-Sen Shiao | Edged clamping device for clamping a drill bit |
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2020
- 2020-06-09 CN CN202010520032.XA patent/CN113768578B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB199980A (en) * | 1922-08-17 | 1923-07-05 | John Valentine Janin | Improvements in or relating to bit-holding chucks |
| JP2000280133A (en) * | 1999-03-30 | 2000-10-10 | Hitachi Via Mechanics Ltd | Drill retainer for printed circuit board machining apparatus |
| US6409181B1 (en) * | 2000-07-19 | 2002-06-25 | Chun Chu Hsueh | Combination type electric drill chuck structure |
| CN2683040Y (en) * | 2004-03-26 | 2005-03-09 | 马东方 | Bone perforating bit capable of stopping in case of penetrating |
| CN2745519Y (en) * | 2004-11-08 | 2005-12-14 | 郝支军 | Self-stopping type hand electric dual-purpose craniotome drill |
| CN203591296U (en) * | 2013-11-13 | 2014-05-14 | 王兵 | Craniotomy drill |
| CN203662844U (en) * | 2013-12-31 | 2014-06-25 | 重庆西山科技有限公司 | Skull drill bit capable of being repeatedly used and automatically stopping while drilling through skull |
| CN206183326U (en) * | 2016-08-22 | 2017-05-24 | 上海博进医疗器械有限公司 | Automatic stop cranial drill |
| CN206491837U (en) * | 2016-11-14 | 2017-09-15 | 北京华想联合科技有限公司 | Manual orthopaedics is bored |
| CN107876834A (en) * | 2017-11-03 | 2018-04-06 | 徐应盈 | A kind of high stability hand held electric drill for being easily changed drill bit |
| CN208323182U (en) * | 2018-07-03 | 2019-01-04 | 成都市萨尼医疗器械有限公司 | A kind of cartridge device of adjustable clamping length |
| CN208662584U (en) * | 2018-08-01 | 2019-03-29 | 中国航空工业集团公司雷华电子技术研究所 | A kind of counterbore limiting device |
| CN210472220U (en) * | 2019-03-28 | 2020-05-08 | 华志微创医疗科技（北京）有限公司 | Mechanical automatic stop device of skull drill |
| CN210160470U (en) * | 2019-06-04 | 2020-03-20 | 丹阳市环宇特钢有限公司 | Cobalt-containing twist drill with good wear resistance of coating |
| CN110539216A (en) * | 2019-09-17 | 2019-12-06 | 深圳市友创智能设备有限公司 | Bar grinds cutting and uses tool head |
| CN212307955U (en) * | 2020-06-09 | 2021-01-08 | 大连七颗星医疗器械有限公司 | Disposable self-stop limiting skull drill chuck |
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| Publication number | Publication date |
|---|---|
| CN113768578A (en) | 2021-12-10 |
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