CN106377293B - Depth-adjustable annular bone saw and use method thereof - Google Patents
Depth-adjustable annular bone saw and use method thereof Download PDFInfo
- Publication number
- CN106377293B CN106377293B CN201611000085.9A CN201611000085A CN106377293B CN 106377293 B CN106377293 B CN 106377293B CN 201611000085 A CN201611000085 A CN 201611000085A CN 106377293 B CN106377293 B CN 106377293B
- Authority
- CN
- China
- Prior art keywords
- bone
- saw
- cushion block
- barrel
- depth
- 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.)
- Active
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title abstract description 6
- 238000005553 drilling Methods 0.000 claims description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007704 transition Effects 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
- A61B17/14—Surgical saws ; Accessories therefor
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Dentistry (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an annular bone saw with adjustable depth and a use method thereof, which belong to the field of medical appliances and comprise a saw bone barrel, a cushion block and a connecting handle, wherein the saw bone barrel is cylindrical, annular saw teeth are arranged at the end part of the top end of the saw bone barrel, the bottom end of the saw bone barrel is coaxially connected with the top end of the connecting handle, a hexagonal connecting part is arranged at the bottom end of the connecting handle, and the cushion block is detachably arranged in the saw bone barrel. According to the invention, the function of limiting the depth of the bone tissue cut by the bone saw is realized by replacing the cushion blocks with different lengths, the cutting depth is not needed to be observed while the bone is sawn, the transitional cutting accident is avoided, the operation is convenient, and the safety coefficient is high.
Description
Technical Field
The invention relates to a medical apparatus, in particular to an annular bone saw with adjustable cutting depth.
Background
The existing medical annular bone saw is provided with scales on the surface, namely, a mark for displaying depth is arranged outside the bone saw. During a particular plunge, the operator is required to carefully view the depth of the plunge.
The prior art has the following defects:
1. The operation is inconvenient, and a bone needs to be sawn on one side, and the cutting depth is observed at the same time;
2. The cutting depth is easily overlarge because of no safety measures;
3. The mark is arranged on the outer surface of the bone saw, and when the bone saw is used for sawing bones, the rotation of the bone saw is not beneficial to the observation of operators;
Disclosure of Invention
The invention aims to provide the annular bone saw with adjustable depth, which has the advantages that the function of limiting the depth of bone tissue cut by the bone saw is realized by changing the cushion blocks with different lengths, the cutting depth is not needed to be observed while the bone is sawn, the transitional cutting accident is avoided, the operation is convenient, and the safety coefficient is high.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention discloses an annular bone saw with adjustable depth, which comprises a saw bone barrel, a cushion block and a connecting handle, wherein the saw bone barrel is cylindrical, annular saw teeth are arranged at the end part of the top end of the saw bone barrel, the bottom end of the saw bone barrel is coaxially connected with the top end of the connecting handle, a hexagonal connecting part is arranged at the bottom end of the connecting handle, and the cushion block is detachably arranged in the saw bone barrel.
Preferably, the cushion block is in threaded connection with the saw bone cylinder, and the top surface of the cushion block is provided with a cross groove.
Preferably, the length of the cushion block is 0.5mm、1.0mm、1.5mm、2.0mm、2.5mm、3.0mm、3.5mm、4.0mm、4.5mm、5.0mm、5.5mm、6.0mm、6.5mm、7.0mm、7.5mm、8.0mm、8.5mm、9.0mm、9.5mm or 10mm.
Further, the screw hole is arranged at the inner bottom of the saw bone cylinder, the cushion block comprises a cylindrical cushion body and a connecting end matched with the screw hole, the bottom end of the cushion body is fixedly connected with the connecting end in a coaxial mode, the diameter of the cushion body is larger than that of the connecting end, and the cross groove is formed in the top surface of the cushion body.
Further, a threaded hole is formed in the inner bottom of the saw bone barrel, the cushion block comprises a screw and a tube body, the screw is matched with the threaded hole, the inner diameter of the tube body is larger than the diameter of the screw, and the inner diameter of the tube body is smaller than the diameter of the head of the screw.
Preferably, the screw is a flat head screw.
Preferably, the top surface of the tube body is matched with the lower surface of the head of the screw.
Further, the side wall of the saw bone barrel is provided with a chip removal hole, namely, the side wall is provided with a through hole.
Further, the thread for connecting the cushion block and the saw bone barrel is left-handed thread or right-handed thread.
The application method of the depth-adjustable annular bone saw comprises the following steps:
firstly, selecting a cushion block with proper length according to the depth of a saw bone to be installed in a saw bone cylinder;
Secondly, installing the depth-adjustable annular bone saw on a drilling machine through a connecting handle;
Thirdly, starting the drilling machine to rotate the saw bone anticlockwise when the thread for connecting the cushion block and the saw bone cylinder is a left-handed thread; when the thread for connecting the cushion block and the saw bone cylinder is a right-handed thread, starting the drilling machine to rotate the saw bone clockwise;
And fourthly, after the cushion block contacts the surface of the bone, the cushion block stops rotating due to the action of friction force, and the saw bone cylinder continues rotating, so that the cushion block is screwed out of the threaded hole, and the annular saw tooth top of the saw bone cylinder is separated from the surface of the saw bone.
The invention has the following beneficial effects:
1. the function of limiting the depth of the bone saw for cutting the bone tissue is realized by replacing cushion blocks with different lengths;
2. The invention does not need to saw bones at one side and observe the cutting depth, thereby being convenient to operate;
3. The invention has the advantages that the accident of transitional cutting does not occur, and the safety coefficient is high;
4. the chip removal holes are formed, so that fragments can be prevented from obstructing the bone sawing;
5. left-handed screw cooperation anticlockwise rotation or right-handed screw cooperation clockwise rotation can make the cushion contact bone surface back follow the screw hole and unscrew to leave the annular saw tooth top and saw bone surface, avoid transition cutting's emergence, can also avoid the cushion top surface to rub at bone surface rotation simultaneously, cause the bone damage.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an axial cross-sectional view of the bone sawing barrel and the connecting handle of FIG. 1;
FIG. 3 is an axial cross-sectional view of a first embodiment of a spacer block;
FIG. 4 is an axial cross-sectional view of a second embodiment of a spacer block;
in the figure: 1-bone sawing barrel, 2-cushion block, 3-connecting handle, 4-cross groove, 11-annular saw tooth, 12-chip removal hole, 13-threaded hole, 21-cushion body, 22-connecting end, 23-screw, 24-pipe body and 31-hexagonal connecting part.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
Embodiment one:
As shown in fig. 1-3, the depth-adjustable annular bone saw disclosed by the invention comprises a saw bone barrel 1, a cushion block 2 and a connecting handle 3, wherein the saw bone barrel 1 is cylindrical, annular saw teeth 11 are arranged at the top end part of the saw bone barrel 1, the bottom end of the saw bone barrel 1 is coaxially connected with the top end of the connecting handle 3, a hexagonal connecting part 31 is arranged at the bottom end of the connecting handle 3, the cushion block 2 is in threaded connection with the saw bone barrel 1, the length of the cushion block 2 is 0.5mm、1.0mm、1.5mm、2.0mm、2.5mm、3.0mm、3.5mm、4.0mm、4.5mm、5.0mm、5.5mm、6.0mm、6.5mm、7.0mm、7.5mm、8.0mm、8.5mm、9.0mm、9.5mm or 10mm, a threaded hole 13 is arranged at the bottom inside the saw bone barrel 1, the cushion block 2 comprises a cylindrical cushion body 21 and a connecting end 22 matched with the threaded hole 13, the bottom end of the cushion body 21 is fixedly connected with the connecting end 22 coaxially, the diameter of the cushion body 21 is larger than that of the connecting end 22, a cross groove 4 is arranged at the top surface of the cushion body 21, chip removing holes 12 are arranged on the side wall of the saw bone barrel 1, and the threads of the cushion block 2 and the saw bone barrel 1 are left-handed threads or right-handed threads.
The application method of the depth-adjustable annular bone saw comprises the following steps:
Firstly, selecting a cushion block 2 with proper length according to the depth of a saw bone to be installed in a saw bone cylinder 1;
secondly, installing the depth-adjustable annular bone saw on a drilling machine through a connecting handle 3;
Thirdly, when the thread for connecting the cushion block 2 with the bone sawing barrel 1 is a left-handed thread, starting the drilling machine to rotate the bone sawing machine anticlockwise; when the thread of the connection of the cushion block 2 and the bone sawing barrel 1 is a right-handed thread, starting the drilling machine to rotate the bone sawing machine clockwise;
Fourth, after the pad 2 contacts the bone surface, the pad 2 stops rotating due to the friction force, and the saw bone cylinder 1 continues rotating, so that the pad 2 is screwed out of the threaded hole 13, and the annular saw teeth 11 of the saw bone cylinder 1 are propped against the saw bone surface.
Embodiment two:
On the basis of the first embodiment, the structure of the pad 2 is replaced with: the cushion block 2 comprises a screw 23 and a pipe body 24, the screw 23 is matched with the threaded hole 13, the inner diameter of the pipe body 24 is larger than the diameter of the screw 23, the inner diameter of the pipe body 24 is smaller than the diameter of the head of the screw 23, the screw 23 is a flat head screw, and the top surface of the pipe body 24 is matched with the lower surface of the head of the screw 23.
The method of use is the same as that of the first embodiment, and specifically in the first step, screws 23 are used to pass through the pipe body 24 and into the threaded holes 13.
Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. Annular bone saw of adjustable degree of depth, its characterized in that: the novel bone sawing machine comprises a bone sawing barrel (1), a cushion block (2) and a connecting handle (3), wherein the bone sawing barrel (1) is cylindrical, annular saw teeth (11) are arranged at the end part of the top end of the bone sawing barrel (1), the bottom end of the bone sawing barrel (1) is coaxially connected with the top end of the connecting handle (3), a hexagonal connecting part (31) is arranged at the bottom end of the connecting handle (3), and the cushion block (2) is detachably arranged in the bone sawing barrel (1); the cushion block (2) is in threaded connection with the saw bone barrel (1), and a cross groove (4) is formed in the top surface of the cushion block (2); a threaded hole (13) is formed in the inner bottom of the saw bone barrel (1); the cushion block (2) comprises a cylindrical cushion body (21) and a connecting end (22) matched with the threaded hole (13), the bottom end of the cushion body (21) is fixedly connected with the connecting end (22) in a coaxial mode, the diameter of the cushion body (21) is larger than that of the connecting end (22), and the cross groove (4) is formed in the top surface of the cushion body (21); or the cushion block (2) comprises a screw (23) and a pipe body (24), the screw (23) is matched with the threaded hole (13), the inner diameter of the pipe body (24) is larger than the diameter of the screw (23), and the inner diameter of the pipe body (24) is smaller than the diameter of the head of the screw (23); the thread of the cushion block (2) connected with the saw bone cylinder (1) is left-handed thread or right-handed thread;
When in use, the utility model is characterized in that: a cushion block (2) with proper length is selected according to the depth of the saw bone and is arranged in the saw bone cylinder (1); the depth-adjustable annular bone saw is arranged on the drilling machine through the connecting handle (3); when the thread of the cushion block (2) connected with the bone sawing barrel (1) is a left-handed thread, starting the drilling machine to rotate the bone sawing machine anticlockwise; when the thread of the connection of the cushion block (2) and the bone sawing barrel (1) is a right-handed thread, starting the drilling machine to rotate the bone sawing machine clockwise; after the cushion block (2) contacts the surface of the bone, the cushion block (2) stops rotating due to the action of friction force, and the saw bone cylinder (1) continues rotating, so that the cushion block (2) is screwed out of the threaded hole, and the annular saw teeth (11) of the saw bone cylinder (1) are propped away from the surface of the saw bone.
2. The depth-adjustable annular bone saw of claim 1, wherein: the length of the cushion block (2) is 0.5mm、1.0mm、1.5 mm、2.0 mm、2.5 mm、3.0 mm、3.5 mm、4.0 mm、4.5 mm、5.0 mm、5.5 mm、6.0 mm、6.5 mm、7.0 mm、7.5 mm、8.0 mm、8.5 mm、9.0 mm、9.5 mm or 10mm.
3. The depth-adjustable annular bone saw of claim 1, wherein: the screw (23) is a flat head screw.
4. The depth-adjustable annular bone saw of claim 1, wherein: the top surface of the tube body (24) is matched with the lower surface of the head of the screw (23).
5. The depth-adjustable annular bone saw of claim 1, wherein: the side wall of the saw bone barrel (1) is provided with a chip removal hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000085.9A CN106377293B (en) | 2016-11-14 | 2016-11-14 | Depth-adjustable annular bone saw and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000085.9A CN106377293B (en) | 2016-11-14 | 2016-11-14 | Depth-adjustable annular bone saw and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106377293A CN106377293A (en) | 2017-02-08 |
| CN106377293B true CN106377293B (en) | 2024-05-24 |
Family
ID=57958947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611000085.9A Active CN106377293B (en) | 2016-11-14 | 2016-11-14 | Depth-adjustable annular bone saw and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106377293B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TR201914321A2 (en) * | 2019-09-20 | 2021-04-21 | Istanbul Ueniversitesi Cerrahpasa Rektoerluegue | AUTOMATIC ADJUSTABLE MEDICAL SAW SYSTEM |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036033U (en) * | 1988-08-25 | 1989-04-19 | 李牧 | Whorl saw with bloch ring |
| CN2317812Y (en) * | 1997-12-23 | 1999-05-12 | 吴华伟 | Ring saw |
| CN2369637Y (en) * | 1999-01-28 | 2000-03-22 | 王德禄 | Multifunction electric surgical device for orthopedic department |
| EP1974679A2 (en) * | 2007-03-26 | 2008-10-01 | DePuy Products, Inc. | Apparatus for cutting bone during orthopaedic surgery |
| WO2009035670A2 (en) * | 2007-09-13 | 2009-03-19 | Zsigmond Szanto | Spherical osteotomy device and method |
| CN201431506Y (en) * | 2009-07-23 | 2010-03-31 | 沈永峰 | In-bone broken nail extractor |
| CN206424116U (en) * | 2016-11-14 | 2017-08-22 | 吴大怡 | Adjustable-depth annular bone saw |
-
2016
- 2016-11-14 CN CN201611000085.9A patent/CN106377293B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036033U (en) * | 1988-08-25 | 1989-04-19 | 李牧 | Whorl saw with bloch ring |
| CN2317812Y (en) * | 1997-12-23 | 1999-05-12 | 吴华伟 | Ring saw |
| CN2369637Y (en) * | 1999-01-28 | 2000-03-22 | 王德禄 | Multifunction electric surgical device for orthopedic department |
| EP1974679A2 (en) * | 2007-03-26 | 2008-10-01 | DePuy Products, Inc. | Apparatus for cutting bone during orthopaedic surgery |
| WO2009035670A2 (en) * | 2007-09-13 | 2009-03-19 | Zsigmond Szanto | Spherical osteotomy device and method |
| CN201431506Y (en) * | 2009-07-23 | 2010-03-31 | 沈永峰 | In-bone broken nail extractor |
| CN206424116U (en) * | 2016-11-14 | 2017-08-22 | 吴大怡 | Adjustable-depth annular bone saw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106377293A (en) | 2017-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203789985U (en) | Adjustable osteotome | |
| CN106377293B (en) | Depth-adjustable annular bone saw and use method thereof | |
| CN201079439Y (en) | Screw barrel and screwdriver integrated broken nail extractor | |
| CN114083066A (en) | Adjustable internal thread deburring device | |
| CN201799761U (en) | Welding wire clamping tool | |
| CN218009932U (en) | Broken nail extractor for orthopedics department | |
| CN206424116U (en) | Adjustable-depth annular bone saw | |
| CN204306894U (en) | One gets orthopaedics internal fixtion slipped screws Speical screwdriver | |
| CN208147764U (en) | A kind of device that can quickly take screw tap to break end | |
| CN212329898U (en) | Hand-held type burring cutter | |
| CN203988464U (en) | A kind of oral cavity root canal apparatus that fractures takes out magnetic devices | |
| CN111202558A (en) | Get bone screw trepan | |
| CN202411581U (en) | Screw tap extending device | |
| CN207118942U (en) | A kind of dental fractures screw extractor | |
| CN202184791U (en) | Broken bolt withdrawing device for orthopeadic surgery | |
| CN204985259U (en) | Easily clearance type chromatography -mass spectroscopy interface nut | |
| CN211389774U (en) | Multi-size peeler for peeling plastic pipes | |
| CN210472291U (en) | Semi-open type soft tissue protection barrel | |
| CN214966278U (en) | Medical orthopedics hand drill | |
| CN220660744U (en) | Sliding head bolt taking-out tool | |
| CN204159939U (en) | A kind of fluted drill | |
| CN213225625U (en) | Diamond wire convenient to change | |
| CN210388307U (en) | Small-size collet | |
| CN204277135U (en) | tap handle | |
| CN219963094U (en) | Metal detection marking device for laparoscopic surgery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |