CN113796921A - Drill bit for orthopedic surgery - Google Patents
Drill bit for orthopedic surgery Download PDFInfo
- Publication number
- CN113796921A CN113796921A CN202111093666.2A CN202111093666A CN113796921A CN 113796921 A CN113796921 A CN 113796921A CN 202111093666 A CN202111093666 A CN 202111093666A CN 113796921 A CN113796921 A CN 113796921A
- Authority
- CN
- China
- Prior art keywords
- block
- drill bit
- sleeve
- drill
- orthopedic surgery
- 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.)
- Pending
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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
-
- 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
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
-
- 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
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
- A61B17/1617—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material with mobile or detachable parts
Abstract
The invention discloses a perforating drill bit for orthopedic surgery, which comprises a drill bit body, wherein an end block is fixed at the top end of the drill bit body, a sleeve is sleeved on the outer wall of the top end of the end block, a rotary groove is formed in the outer wall of the end block, a side block penetrates through and is fixed on the side wall of the sleeve, one end of the side block extends into the rotary groove, an installation groove is formed in the top end of the end block, and a top spring is arranged in the installation groove; the invention discloses a drill bit, which comprises a drill bit body, a drill handle, a drill bit body, a sleeve, a side block, an end block and a top spring, wherein the sleeve is sleeved on the outer wall of the end block, the sleeve and the drill bit body are mutually connected in a rotating mode through the side block, the drill handle and the drill bit body can be guaranteed to rotate mutually without mutual influence, the top spring is designed to apply elastic extrusion on a sliding block, the top end of the sliding block is guaranteed to be mutually attached to the end face of a transmission block, and power transmission is achieved.
Description
Technical Field
The invention belongs to the technical field of orthopedic surgery, and particularly relates to a punching drill bit for orthopedic surgery.
Background
The perforating drill bit for orthopedic surgery is formed by sintering nickel-based powder, and is subjected to plasma sulfurization and nitriding process, segmented annealing is performed after sintering to enable the microstructure of the material to be homogenized, the nitriding process and the plasma sulfurization improve the surface hardness and strength and the oxidation resistance of a workpiece, and the perforating drill bit is applied to a drill bit for opening and reaming bones in orthopedics and is installed on a rotating mechanism to rotate.
When the existing drill bit is used in an operation, due to the integrated structure, when the drill bit is blocked by the bone in the rotation process, if the rotation cannot be stopped in time, peripheral tissues at the position of the hole are extremely easily damaged, and therefore the drill bit for the orthopedic operation is provided.
Disclosure of Invention
The present invention is directed to a drill for orthopedic surgery to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an orthopedic surgery is with drill bit, includes the drill bit body, the top of drill bit body is fixed with end block, the top outer wall cover of end block is equipped with the sleeve, the rotary trough has been seted up to the outer wall of end block, telescopic lateral wall runs through and is fixed with the side piece, the one end of side piece extends to the inside of rotary trough, mounting groove has been seted up on the top of end block, mounting groove's inside is provided with a spring, the top of spring is provided with the sliding block, the top of sliding block is provided with the transmission piece, the transmission piece is fixed on telescopic inside top, the transmission piece all is provided with the inclined plane of the same inclination with the adjacent terminal surface of sliding block.
Preferably, a drill handle is fixed to the top end of the sleeve, a quick connector is arranged at the top of the drill handle, a through hole is formed in the end face of the quick connector, a countersunk screw penetrates through the through hole, a threaded groove is formed in the surface of the top end of the drill handle, and the countersunk screw is in threaded connection with the threaded groove.
Preferably, the outer wall of the sliding block is provided with a sliding hole, a synchronization column transversely penetrates through the inside of the sliding hole, and the synchronization column is fixed on the end block.
Preferably, the cross sections of the driving block and the sliding block are both circular structures, and the central axes of the driving block, the sleeve and the end block are coincident with each other.
Preferably, the number of the side blocks is four, and the four side blocks are positioned on the sleeve in a circular array.
Preferably, four positioning grooves are formed in the bottom end surface of the quick connector in a circular array, positioning columns are arranged on the inner sides of the positioning grooves and fixed on the top surface of the drill handle.
Preferably, the top end surface of the positioning column is provided with a cambered surface with a certain radian, and the cross section of the positioning column is of a circular structure.
Compared with the prior art, the invention has the beneficial effects that:
(1) through the designed sleeve barrel, the side block and the end block, the sleeve barrel is sleeved on the outer wall of the end block, the side block and the end block are mutually rotatably connected, the mutual rotation between the drill handle and the drill bit body is ensured, the mutual influence is avoided, the elastic extrusion is applied to the sliding block through the designed top spring, the mutual attachment between the top end of the sliding block and the end surface of the transmission block is ensured, the power transmission is realized, the inclined surfaces of the transmission block and the sliding block are mutually contacted through the designed sliding block and the transmission block, the power transmission is realized, the drill handle is ensured to drive the drill bit body to rotate, meanwhile, when the extrusion acting force generated by the inclined surfaces between the sliding block and the transmission block is larger than that of the top spring, the sliding block is pushed to move downwards at the moment, the two are separated, the power transmission is stopped, the drill bit body is ensured to timely stop rotating, the injury to peripheral soft tissues is avoided, the use safety of the invention is improved, through the designed synchronizing column, the sliding block and the end block are ensured to synchronously rotate while the sliding block slides up and down in the mounting groove.
(2) Through the countersunk screw of design, realize carrying out movable connection with quick-operation joint and drillstock, make things convenient for the dismouting in later stage to change, through the reference column of design, insert and establish in quick-operation joint's positioning groove, realize the equipment location to quick-operation joint, also increase simultaneously and connect the junction intensity with the drillstock.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of a portion of the structure of FIG. 1 according to the present invention;
FIG. 3 is an assembled top cross-sectional view of the sleeve, end block and side block of the present invention;
FIG. 4 is a partial cross-sectional view of the structure of FIG. 1 at B in accordance with the present invention;
in the figure: 1. a quick connector; 2. a drill shank; 3. a sleeve; 4. an end-block; 5. a bit body; 6. a side block; 7. a spring is supported; 8. installing a groove; 9. rotating the groove; 10. a synchronizing column; 11. a slide hole; 12. a transmission block; 13. a slider; 14. a through hole; 15. countersunk head screws; 16. a threaded groove; 17. and a positioning column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, the present invention provides a technical solution: a perforating drill bit for orthopedic surgery comprises a drill bit body 5, wherein an end block 4 is fixed at the top end of the drill bit body 5, a sleeve 3 is sleeved on the outer wall of the top end of the end block 4, a rotary groove 9 is formed in the outer wall of the end block 4, a side block 6 penetrates through and is fixed on the side wall of the sleeve 3, the side block 6 and the end block 4 are designed, the sleeve 3 is sleeved on the outer wall of the end block 4 and is in mutual rotary connection through the side block 6, mutual rotation between a drill handle 2 and the drill bit body 5 can be guaranteed without mutual influence, one end of the side block 6 extends into the rotary groove 9, an installation groove 8 is formed in the top end of the end block 4, a top spring 7 is arranged in the installation groove 8, an elastic extrusion is applied to the sliding block 7 through the designed top spring 7, the top end of the sliding block 13 is guaranteed to be mutually attached to the end face of a transmission block 12, power transmission is achieved, a sliding block 13 is arranged at the top of the top spring 7, the transmission block 12 is fixed at the top end inside the sleeve 3, the adjacent end surfaces of the transmission block 12 and the sliding block 13 are provided with inclined planes with the same inclination, the inclined planes of the transmission block 12 and the sliding block 13 are mutually contacted through the designed sliding block 13 and the transmission block 12 to realize power transmission, so that the drill handle 2 is ensured to drive the drill bit body 5 to rotate, meanwhile, when the extrusion acting force generated by the inclined planes between the transmission block 12 and the sliding block 13 is larger than the acting force of the top spring 7, the sliding block 13 is pushed to move downwards, the two are separated, the power transmission is stopped, thereby ensuring that the drill bit body 5 stops rotating in time, avoiding the injury to peripheral soft tissues, improving the use safety of the invention, the outer wall of the sliding block 13 is provided with a sliding hole 11, a synchronizing column 10 transversely penetrates through the inside of the sliding hole 11, and the sliding block 13 is ensured to synchronously rotate with the end block 4 while sliding up and down in the installation groove 8 through the designed synchronizing column 10, the synchronous column 10 is fixed on the end block 4, the cross sections of the transmission block 12 and the sliding block 13 are both circular structures, the central axes of the transmission block 12, the sleeve 3 and the end block 4 are overlapped, the number of the side blocks 6 is four, and the four side blocks 6 are positioned on the sleeve 3 and are in a circular array.
Example 2
Referring to fig. 1 to 4, the present invention provides a technical solution: a perforating drill bit for orthopedic surgery comprises a drill bit body 5, wherein an end block 4 is fixed at the top end of the drill bit body 5, a sleeve 3 is sleeved on the outer wall of the top end of the end block 4, a rotary groove 9 is formed in the outer wall of the end block 4, a side block 6 penetrates through and is fixed on the side wall of the sleeve 3, the side block 6 and the end block 4 are designed, the sleeve 3 is sleeved on the outer wall of the end block 4 and is in mutual rotary connection through the side block 6, mutual rotation between a drill handle 2 and the drill bit body 5 can be guaranteed without mutual influence, one end of the side block 6 extends into the rotary groove 9, an installation groove 8 is formed in the top end of the end block 4, a top spring 7 is arranged in the installation groove 8, an elastic extrusion is applied to the sliding block 7 through the designed top spring 7, the top end of the sliding block 13 is guaranteed to be mutually attached to the end face of a transmission block 12, power transmission is achieved, a sliding block 13 is arranged at the top of the top spring 7, the transmission block 12 is fixed at the top end inside the sleeve 3, the adjacent end surfaces of the transmission block 12 and the sliding block 13 are provided with inclined planes with the same inclination, the inclined planes of the transmission block 12 and the sliding block 13 are mutually contacted through the designed sliding block 13 and the transmission block 12 to realize power transmission, so that the drill handle 2 is ensured to drive the drill bit body 5 to rotate, meanwhile, when the extrusion acting force generated by the inclined planes between the transmission block 12 and the sliding block 13 is larger than the acting force of the top spring 7, the sliding block 13 is pushed to move downwards, the two are separated, the power transmission is stopped, thereby ensuring that the drill bit body 5 stops rotating in time, avoiding the injury to peripheral soft tissues, improving the use safety of the invention, the outer wall of the sliding block 13 is provided with a sliding hole 11, a synchronizing column 10 transversely penetrates through the inside of the sliding hole 11, and the sliding block 13 is ensured to synchronously rotate with the end block 4 while sliding up and down in the installation groove 8 through the designed synchronizing column 10, the synchronous column 10 is fixed on the end block 4, the cross sections of the transmission block 12 and the sliding block 13 are both circular structures, the central axes of the transmission block 12, the sleeve 3 and the end block 4 are overlapped, the number of the side blocks 6 is four, and the four side blocks 6 are positioned on the sleeve 3 and are in a circular array.
In the embodiment, preferably, a drill handle 2 is fixed at the top end of the sleeve 3, a quick connector 1 is arranged at the top end of the drill handle 2, a through hole 14 is formed in the end surface of the quick connector 1, a countersunk screw 15 penetrates through the through hole 14, a threaded groove 16 is formed in the top end surface of the drill handle 2, the quick connector 1 and the drill handle 2 are movably connected through the designed countersunk screw 15, the later disassembly and replacement are facilitated, the countersunk screw 15 is in threaded connection with the threaded groove 16, four positioning grooves are formed in the bottom end surface of the quick connector 1 in a circular array, positioning columns 17 are arranged on the inner sides of the positioning grooves, the designed positioning columns 17 are inserted into the positioning grooves of the quick connector 1, the assembly and positioning of the quick connector 1 are achieved, the strength of the joint of the quick connector 1 and the drill handle 2 is increased, the positioning columns 17 are fixed on the top end surface of the drill handle 2, and the top end surface of the positioning columns 17 is provided with a cambered surface in a certain radian, the cross section of the positioning column 17 is of a circular structure.
The working principle and the using process of the invention are as follows: in use of the invention, by mounting the quick connector 1 to the drill shank 2 using the grub screw 15, then the drill body 5 is arranged on a rotating mechanism to be rotatably holed through the mutual matching of the drill shank 2 and the quick connector 1, in the rotating process, the top spring 7 applies elastic force to extrude the sliding block 13, ensures that the top end inclined plane and the inclined plane of the transmission block 12 are mutually attached to achieve the transmission effect, ensures that the drill handle 2 drives the drill bit body 5 to rotate for drilling, when the bit body 5 is excessively hindered from rotating by the bone, if the tissue damage is easily caused by further rotation, at the moment, the drill handle 2 is rotated, the drill handle 2 drives the transmission block 12 to rotate, the inclined plane between the transmission block 12 and the sliding block 13 generates extrusion acting force which is larger than the elastic force action of the top spring 7, thereby pushing the sliding block 13 to separate from the transmission block 12, and stopping driving the bit body 5 to rotate, thereby effectively ensuring that the invention is safer to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A drill bit for orthopedic surgery, comprising a bit body (5), characterized in that: the drill bit comprises a drill bit body (5), and is characterized in that an end block (4) is fixed to the top end of the drill bit body (5), a sleeve (3) is sleeved on the outer wall of the top end of the end block (4), a rotary groove (9) is formed in the outer wall of the end block (4), a side block (6) penetrates through and is fixed to the side wall of the sleeve (3), one end of the side block (6) extends into the rotary groove (9), an installation groove (8) is formed in the top end of the end block (4), a top spring (7) is arranged inside the installation groove (8), a sliding block (13) is arranged at the top of the top spring (7), a transmission block (12) is arranged at the top of the sliding block (13), the transmission block (12) is fixed to the top end of the sleeve (3), and inclined planes with the same inclination are arranged on the adjacent end faces of the transmission block (12) and the sliding block (13).
2. The drill bit for orthopedic surgery of claim 1, wherein: the drill bit is characterized in that a drill handle (2) is fixed to the top end of the sleeve (3), a quick connector (1) is arranged at the top of the drill handle (2), a through hole (14) is formed in the end face of the quick connector (1), a countersunk screw (15) penetrates through the through hole (14), a threaded groove (16) is formed in the surface of the top end of the drill handle (2), and the countersunk screw (15) is connected with the threaded groove (16) through threads.
3. The drill bit for orthopedic surgery of claim 1, wherein: the outer wall of the sliding block (13) is provided with a sliding hole (11), a synchronous column (10) transversely penetrates through the inside of the sliding hole (11), and the synchronous column (10) is fixed on the end block (4).
4. The drill bit for orthopedic surgery of claim 1, wherein: the cross sections of the transmission block (12) and the sliding block (13) are both circular structures, and the central axes of the transmission block (12), the sleeve (3) and the end block (4) are overlapped.
5. The drill bit for orthopedic surgery of claim 1, wherein: the number of the side blocks (6) is four, and the four side blocks (6) are positioned on the sleeve (3) and are in a circular array.
6. The drill bit for orthopedic surgery of claim 2, wherein: the bottom end surface of the quick joint (1) is in a circular array and is provided with four positioning grooves, positioning columns (17) are arranged on the inner sides of the positioning grooves, and the positioning columns (17) are fixed on the top surface of the drill handle (2).
7. The drill bit for orthopedic surgery of claim 6, wherein: the top end surface of the positioning column (17) is provided with a cambered surface with a certain radian, and the cross section of the positioning column (17) is of a circular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093666.2A CN113796921A (en) | 2021-09-17 | 2021-09-17 | Drill bit for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093666.2A CN113796921A (en) | 2021-09-17 | 2021-09-17 | Drill bit for orthopedic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113796921A true CN113796921A (en) | 2021-12-17 |
Family
ID=78939720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111093666.2A Pending CN113796921A (en) | 2021-09-17 | 2021-09-17 | Drill bit for orthopedic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113796921A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002051319A2 (en) * | 2000-12-23 | 2002-07-04 | Aesculap Ag & Co. Kg | Drill protective sleeve with double-layer cover construction |
| EP2564792A1 (en) * | 2011-09-02 | 2013-03-06 | Episurf Medical AB | Modular surgical kit for cartilage repair |
| US20140276880A1 (en) * | 2013-03-15 | 2014-09-18 | Blackstone Medical, Inc. | Locking assembly for a surgical drill bit guide |
| CN209629752U (en) * | 2018-10-07 | 2019-11-15 | 周凯 | A kind of medical treatment orthopaedics puncher |
| CN211583354U (en) * | 2020-02-24 | 2020-09-29 | 苏兴平 | Orthopedics drill bit |
-
2021
- 2021-09-17 CN CN202111093666.2A patent/CN113796921A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002051319A2 (en) * | 2000-12-23 | 2002-07-04 | Aesculap Ag & Co. Kg | Drill protective sleeve with double-layer cover construction |
| EP2564792A1 (en) * | 2011-09-02 | 2013-03-06 | Episurf Medical AB | Modular surgical kit for cartilage repair |
| US20140276880A1 (en) * | 2013-03-15 | 2014-09-18 | Blackstone Medical, Inc. | Locking assembly for a surgical drill bit guide |
| CN209629752U (en) * | 2018-10-07 | 2019-11-15 | 周凯 | A kind of medical treatment orthopaedics puncher |
| CN211583354U (en) * | 2020-02-24 | 2020-09-29 | 苏兴平 | Orthopedics drill bit |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211217 |