CN217723615U - Changeable grinding drill bit for orthopedics - Google Patents
Changeable grinding drill bit for orthopedics Download PDFInfo
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- CN217723615U CN217723615U CN202220732139.5U CN202220732139U CN217723615U CN 217723615 U CN217723615 U CN 217723615U CN 202220732139 U CN202220732139 U CN 202220732139U CN 217723615 U CN217723615 U CN 217723615U
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Abstract
The utility model discloses a changeable orthopedic abrasive drilling tool bit, including outer pole, its characterized in that: the inside of outer pole is provided with the passageway, and the one end of outer pole is pegged graft and is had interior pole, and interior pole is kept away from the one end of outer pole and is installed the joint, and the spout has been seted up at the middle part of interior pole, and it is fixed through locking bolt locking between interior pole and the outer pole, and the locking bolt includes the screw rod, and the bolt head is installed to the one end of screw rod, and the other end of screw rod passes the spout and installs the nut, and the screw rod can slide along the spout, and the one end of outer pole is ARC structure, and the length of inner pole is greater than the length of outer pole. In this interchangeable orthopedics is with abrasive drilling tool bit, the interior pole that sets up wherein can extend and shorten, when carrying out orthopedics abrasive drilling, can fix a position the one end of interior pole in the bone outward appearance earlier, avoids appearing the phenomenon of skidding, and makes things convenient for the locking of outer pole through the locking bolt, when grinding the drill to different bones, uses through changing elliptical head and button head, and it is more convenient to polish.
Description
Technical Field
The utility model relates to an orthopedics abrasive drilling equipment technical field, specifically speaking relates to a changeable orthopedic abrasive drilling tool bit.
Background
When carrying out bone surgery, need carry out the abrasive drilling to patient's bone, generally the abrasive drilling equipment fixing tool bit is drilled or is polished, and current abrasive drilling equipment is fixed in tool bit structure when using, can not carry out the change of tool bit, and it is very inconvenient to use, in addition, when the position to equidimension not, because the bone surface is smooth, produces the phenomenon of skidding very easily, is not convenient for carry out the location of bone, and it is not convenient enough when causing the abrasive drilling.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a changeable orthopedics is with abrasive drilling tool bit to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a changeable orthopedic abrasive drilling tool bit, including outer pole, its characterized in that: the inside of outer pole is provided with the passageway, the one end of outer pole is pegged graft and is had interior pole, the one end that outer pole was kept away from to interior pole is installed and is connected, the spout has been seted up at the middle part of interior pole, it is fixed through locking bolt locking between interior pole and the outer pole, locking bolt includes the screw rod, the bolt head is installed to the one end of screw rod, the other end of screw rod passes the spout and installs the nut, the screw rod can slide along the spout, the one end of outer pole is ARC structure, the length of inner pole is greater than the length of outer pole.
Preferably, the outer end of the joint is provided with a gasket.
Preferably, the outer wall of the outer rod is provided with a spiral groove.
Preferably, an elliptical head is installed at the end of the outer rod, and the length of the elliptical head is greater than the width of the outer rod.
Preferably, a round head is installed at the end of the outer rod, and the diameter of the round head is larger than the width of the outer rod.
Preferably, one end of the inner rod penetrates through one end of the outer rod and is provided with a positioning pointed end, and the positioning pointed end is of a triangular structure.
Preferably, one side of the positioning pointed end, which is close to the end of the outer rod, is provided with an arc surface, and the radian of the arc surface is the same as that of the end of the outer rod.
Compared with the prior art, the beneficial effects of the utility model are that:
in this interchangeable orthopedics is with abrasive drilling tool bit, can extend and shorten through the interior pole that wherein sets up, when carrying out orthopedics abrasive drilling, can fix earlier the one end of interior pole and fix a position in the bone outward appearance, avoid appearing the phenomenon of skidding, and make things convenient for the locking of outer pole through the locking bolt, when grinding the drill to different bones, use through changing oval head and button head, it is more convenient to polish.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic structural view of the locking bolt of the present invention;
fig. 4 is a schematic structural view of different tool bits of the present invention.
The various reference numbers in the figures mean:
1. an outer rod; 11. a channel; 12. a helical groove; 2. an inner rod; 21. a joint; 211. a gasket; 22. a chute; 23. positioning a pointed end; 231. a cambered surface; 3. locking the bolt; 31. a screw; 32. a bolt head; 33. a nut; 4. an elliptical head; 5. round head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
The utility model provides a changeable orthopedic abrasive drilling tool bit, as shown in fig. 1-fig. 4, including outer pole 1, the inside of outer pole 1 is provided with passageway 11, outer pole 1's one end is pegged graft and is had interior pole 2, interior pole 2 is kept away from outer pole 1's one end and is installed joint 21, the external abrasive drilling equipment of being convenient for, spout 22 has been seted up at interior pole 2's middle part, position control between pole 2 and the outer pole 1 in the convenience, it is fixed through locking bolt 3 locking between interior pole 2 and the outer pole 1, it is fixed between interior pole 2 and the outer pole 1 to be convenient for, locking bolt 3 includes screw rod 31, bolt head 32 is installed to screw rod 31's one end, screw rod 31's the other end passes spout 22 and installs nut 33, screw rod 31 can slide along spout 22, outer pole 1's one end is ARC structure, 2's length is greater than outer pole 1's length, the one end of pole 2 outwards stretches out in the convenience, fix a position in the bone outside.
In this embodiment, the outer end of the joint 21 is provided with a gasket 211, which facilitates the protection of the outer end of the joint 21.
Specifically, the outer wall of the outer rod 1 is provided with the spiral groove 12, so that chips can be led out of the spiral groove 12 during grinding and drilling, and bone chip accumulation cannot be caused.
Further, elliptical head 4 is installed to the end department of outer pole 1, and elliptical head 4's length is greater than the width of outer pole 1, can drive elliptical head 4 when outer pole 1 rotates and rotate, conveniently polishes simultaneously by a large scale.
Further, tip department of outer pole 1 installs button head 5, and the diameter of button head 5 is greater than the width of outer pole 1, can drive button head 5 when outer pole 1 rotates and rotate, polishes when can carrying out medium area.
Example 2
Preliminary when further conveniently carrying out the abrasive drilling is decided for, the one end of interior pole 2 is passed the one end of outer pole 1 and is installed location tip 23, and location tip 23 is the triangle-shaped structure, can tentatively drill out a seal of a government organization in the bone surface through location tip 23, and the convenience is decided for the accuracy when the abrasive drilling, appears the offset when avoiding the abrasive drilling.
Furthermore, one side that location prong 23 is close to outer pole 1 end is provided with cambered surface 231, and the radian of cambered surface 231 is the same with the radian of outer pole 1 end department, makes things convenient for location prong 23 and the laminating of outer pole 1 end department, guarantees the fixed of location prong 23.
The utility model discloses a changeable orthopedic abrasive drilling tool bit is when using, at first install the device on the tool bit fixed position of abrasive drilling equipment, stretch out interior pole 2 from the one end of outer pole 1 after that, need carry out the regulation of length according to the abrasive drilling position, adjust the back, it is fixed through locking bolt 3 locking, compress tightly the bone outside at needs abrasive drilling with the location tip 23 of interior pole 2 one end, it rotates to drive the device through abrasive drilling equipment, make location tip 23 drill out a seal of a government organization in old china in bone department, shorten interior pole 2 after that, make location tip 23 laminate on the outer wall of outer pole 1 one end, abrasive drilling equipment drives outer pole 1 and rotates after that, make outer pole 1 carry out abrasive drilling work to the bone head end, when polishing, carry out the polishing of different positions through changing elliptical head 4 and button head 5.
The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A convertible orthopaedic burr and burr tool, comprising an external shank (1), characterized in that: the inside of outer pole (1) is provided with passageway (11), the one end of outer pole (1) is pegged graft and is had interior pole (2), interior pole (2) are kept away from the one end of outer pole (1) and are installed joint (21), spout (22) have been seted up at the middle part of interior pole (2), it is fixed through locking bolt (3) locking between interior pole (2) and outer pole (1), locking bolt (3) include screw rod (31), bolt head (32) are installed to the one end of screw rod (31), the other end of screw rod (31) passes spout (22) and installs nut (33), screw rod (31) can slide along spout (22), the one end of outer pole (1) is ARC structure, the length of interior pole (2) is greater than the length of outer pole (1).
2. A convertible orthopaedic burr bit according to claim 1, characterized in that: and a gasket (211) is arranged at the outer end of the joint (21).
3. A convertible orthopaedic burr bit according to claim 1, characterized in that: the outer wall of the outer rod (1) is provided with a spiral groove (12).
4. A convertible orthopaedic burr bit according to claim 1, characterized in that: an elliptical head (4) is installed at the end of the outer rod (1), and the length of the elliptical head (4) is larger than the width of the outer rod (1).
5. A convertible orthopaedic burr bit according to claim 1, characterized in that: the end department of outer pole (1) installs button head (5), just the diameter of button head (5) is greater than the width of outer pole (1).
6. A convertible orthopaedic burr bit according to claim 1, characterized in that: one end of the inner rod (2) penetrates through one end of the outer rod (1) and is provided with a positioning pointed end (23), and the positioning pointed end (23) is of a triangular structure.
7. A convertible orthopaedic burr bit according to claim 6, characterized in that: one side that location tip (23) are close to outer pole (1) end is provided with cambered surface (231), the radian of cambered surface (231) is the same with the radian of outer pole (1) end department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220732139.5U CN217723615U (en) | 2022-03-31 | 2022-03-31 | Changeable grinding drill bit for orthopedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220732139.5U CN217723615U (en) | 2022-03-31 | 2022-03-31 | Changeable grinding drill bit for orthopedics |
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| Publication Number | Publication Date |
|---|---|
| CN217723615U true CN217723615U (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220732139.5U Active CN217723615U (en) | 2022-03-31 | 2022-03-31 | Changeable grinding drill bit for orthopedics |
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| CN (1) | CN217723615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805981A (en) * | 2017-11-22 | 2019-05-28 | 苏州微创骨科医疗工具有限公司 | Medical tool |
-
2022
- 2022-03-31 CN CN202220732139.5U patent/CN217723615U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805981A (en) * | 2017-11-22 | 2019-05-28 | 苏州微创骨科医疗工具有限公司 | Medical tool |
| CN109805981B (en) * | 2017-11-22 | 2024-02-27 | 苏州微创骨科医疗工具有限公司 | Medical tool |
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