CN206424116U - Adjustable-depth annular bone saw - Google Patents
Adjustable-depth annular bone saw Download PDFInfo
- Publication number
- CN206424116U CN206424116U CN201621222178.1U CN201621222178U CN206424116U CN 206424116 U CN206424116 U CN 206424116U CN 201621222178 U CN201621222178 U CN 201621222178U CN 206424116 U CN206424116 U CN 206424116U
- Authority
- CN
- China
- Prior art keywords
- saw
- bone
- cushion block
- cylinder
- adjustable
- 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
Landscapes
- Surgical Instruments (AREA)
Abstract
Adjustable-depth annular bone saw disclosed in the utility model, belong to medical instruments field, including saw bone cylinder, cushion block, connection handle, the saw bone cylinder is cylindrical shape, the top end for sawing bone cylinder is provided with circular saw, the bottom of saw bone cylinder and the top of connection handle are coaxially connected, and the bottom of the connection handle is provided with six side's connecting portions, and it is interior that the cushion block is removably mounted at saw bone cylinder.The utility model realizes the function of limit bone saw cuts bone tissue depth by changing the cushion block of different length, it is not necessary to saw bone while observing penetraction depth, the accident that will not also occur Transitional cut is easy to operate, and safety coefficient is high.
Description
Technical field
The utility model is related to a kind of medicine equipment, more particularly to a kind of annular bone saw of adjustable penetraction depth.
Background technology
Existing medicine ring bone saw only has surface to carry scale, i.e., the mark of display depth is provided with outside bone saw.
, it is necessary to which operator examines the depth of incision during specific incision.
Have the following disadvantages in the prior art：
1. inconvenient operation is, it is necessary to while saw bone, while observation penetraction depth；
2. without safety measures, easily cause penetraction depth excessive；
3. mark is located at bone saw outer surface, and when sawing bone, bone saw rotation is unfavorable for operator's observation；
Utility model content
The utility model aims to provide a kind of annular bone saw of adjustable-depth, and limitation is realized by the cushion block for changing different length
Bone saw cuts the function of bone tissue depth, it is not necessary to saws bone while observing penetraction depth, will not also occur Transitional cut
Accident, easy to operate, safety coefficient is high.
To reach above-mentioned purpose, the technical solution adopted in the utility model is as follows：
Adjustable-depth annular bone saw disclosed in the utility model, including bone cylinder, cushion block, connection handle are sawed, the saw bone cylinder is
Cylindrical shape, the top end of saw bone cylinder is provided with circular saw, and the bottom of saw bone cylinder and the top of connection handle are coaxially connected, the company
The bottom for connecing handle is provided with six side's connecting portions, and the cushion block is removably mounted in saw bone cylinder.
It is preferred that, the cushion block is threadedly coupled with saw bone cylinder, and the top surface of cushion block is provided with cross recess.
It is preferred that, 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 saw bone cylinder inner bottom part is threaded hole, and the cushion block includes the pad and screwed hole of cylinder
The connection end of adaptation, bottom and the connection end of the pad are fixedly and coaxially connected, and the diameter of pad is more than the diameter of connection end, institute
State the top surface that cross recess is located at pad.
Further, the saw bone cylinder inner bottom part is threaded hole, and the cushion block includes screw, body, the screw with
Screwed hole is adapted to, and the internal diameter of the body is more than the diameter of screw, and the internal diameter of body is less than the diameter of screw head.
It is preferred that, the screw is flat head screw.
It is preferred that, the body top surface is adapted to the head undersurface of screw.
Further, the side wall of the saw bone cylinder, which is provided with chip-removal hole, i.e. side wall, offers through hole.
Further, the cushion block is left hand thread or right-handed thread with the screw thread that saw bone cylinder is connected.
The application method of adjustable-depth annular bone saw：
The first step, is arranged in saw bone cylinder according to the cushion block of saw bone depth selection suitable length；
The annular bone saw of adjustable-depth, is arranged on rig by second step by connection handle；
3rd step, when cushion block is left hand thread with the screw thread that saw bone cylinder is connected, starts rig rotate counterclockwise saw bone；Cushion block
When with the screw thread that be connected of saw bone cylinder being right-handed thread, startup rig turns clockwise saw bone；
4th step, after cushion block contacts bone surface, because the effect cushion block of frictional force stops operating, and saws bone cylinder and continues to turn
It is dynamic so that cushion block is screwed out from screwed hole, so that the circular saw for sawing bone cylinder is lifted off sawing bone surface.
The utility model has the advantages that：
1. the function of limit bone saw cuts bone tissue depth is realized by changing the cushion block of different length；
2. bone need not be sawed using the utility model while observing penetraction depth, it is easy to operate；
3. the accident of Transitional cut will not occur using the utility model, safety coefficient is high；
4. the setting of chip-removal hole can avoid chip from hindering saw bone；
Turned clockwise 5. left hand thread engagement rotate counterclockwise or right-handed thread coordinate, enable to cushion block to contact bone
Screwed out behind surface from screwed hole, so that circular saw is lifted off to saw bone surface, it is to avoid the generation of Transitional cut, while can also keep away
Exempt from cushion block top surface in bone surface spin friction, cause bone injury.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the axial sectional view of saw bone cylinder and connection handle in Fig. 1；
Fig. 3 is the first embodiment axial sectional view of cushion block；
Fig. 4 is second of embodiment axial sectional view of cushion block；
In figure：1- saw bones cylinder, 2- cushion blocks, 3- connection handles, 4- cross recesses, 11- circular saws, 12- chip-removal holes, 13- screw threads
Hole, 21- pads, 22- connection ends, 23- screws, 24- bodys, the side's connecting portions of 31- six.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing, to this reality
It is further elaborated with new.
Embodiment one：
As Figure 1-3, adjustable-depth annular bone saw disclosed in the utility model, including saw bone cylinder 1, cushion block 2, connection handle
3, saw bone cylinder 1 is cylindrical shape, and the top end of saw bone cylinder 1 is provided with circular saw 11, the bottom and the top of connection handle 3 of saw bone cylinder 1
End is coaxially connected, and the bottom of connection handle 3 is provided with six side's connecting portions 31, and cushion block 2 is threadedly coupled with saw bone cylinder 1, and the length of 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, saw bone 1 inner bottom part of cylinder are threaded hole 13,
The connection end 22 that cushion block 2 includes cylindrical pad 21, is adapted to screwed hole 13, the bottom and connection end 22 of pad 21 is coaxial solid
Fixed connection, the diameter of pad 21 is more than the diameter of connection end 22, and the top surface of pad 21 is provided with cross recess 4, and the side wall of saw bone cylinder 1 is set
There is chip-removal hole 12, the screw thread that cushion block 2 is connected with saw bone cylinder 1 is left hand thread or right-handed thread.
The application method of adjustable-depth annular bone saw：
The first step, is arranged in saw bone cylinder 1 according to the cushion block 2 of saw bone depth selection suitable length；
The annular bone saw of adjustable-depth, is arranged on rig by second step by connection handle 3；
3rd step, when cushion block 2 is left hand thread with the screw thread that saw bone cylinder 1 is connected, starts rig rotate counterclockwise saw bone；Pad
When block 2 is right-handed thread with the screw thread that be connected of saw bone cylinder 1, startup rig turns clockwise saw bone；
4th step, when cushion block 2 contact bone surface after, because the effect cushion block 2 of frictional force stops operating, and saw bone cylinder 1 after
It is continuous to rotate so that cushion block 2 is screwed out from screwed hole 13, so that the circular saw 11 for sawing bone cylinder 1 is lifted off sawing bone surface.
Embodiment two：
On the basis of embodiment one, the structure of cushion block 2 is replaced with：Cushion block 2 includes screw 23, body 24, screw 23
It is adapted to screwed hole 13, the internal diameter of body 24 is more than the diameter of screw 23, the internal diameter of body 24 is less than the diameter on the head of screw 23,
Screw 23 is flat head screw, and the top surface of body 24 is adapted to the head undersurface of screw 23.
Application method is identical with the method for embodiment one, specifically in the first step, is existed using screw 23 through body 24
Screw in screwed hole 13.
Certainly, the utility model can also have other various embodiments, spiritual and its essence without departing substantially from the utility model
In the case of, those skilled in the art can make various corresponding changes and deformation, but these phases according to the utility model
The change and deformation answered should all belong to the scope of the claims appended by the utility model.
Claims (9)
1. adjustable-depth annular bone saw, it is characterised in that：Including saw bone cylinder (1), cushion block (2), connection handle (3), the saw bone cylinder
(1) it is cylindrical shape, the top end of saw bone cylinder (1) is provided with circular saw (11), bottom and the connection handle (3) of saw bone cylinder (1)
Top is coaxially connected, and the bottom of the connection handle (3) is provided with six side's connecting portions (31), and the cushion block (2) is removably mounted at saw
In bone cylinder (1).
2. the annular bone saw of adjustable-depth according to claim 1, it is characterised in that：The cushion block (2) and saw bone cylinder (1) spiral shell
Line is connected, and the top surface of cushion block (2) is provided with cross recess (4).
3. the annular bone saw of adjustable-depth according to claim 2, it is characterised in that：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.
4. the annular bone saw of adjustable-depth according to Claims 2 or 3, it is characterised in that：Described saw bone cylinder (1) inner bottom part is set
Put screwed hole (13), the connection end (22) that the cushion block (2) includes cylindrical pad (21), is adapted to screwed hole (13), institute
The bottom and connection end (22) for stating pad (21) are fixedly and coaxially connected, and the diameter of pad (21) is more than the diameter of connection end (22),
The cross recess (4) is located at the top surface of pad (21).
5. the annular bone saw of adjustable-depth according to Claims 2 or 3, it is characterised in that：Described saw bone cylinder (1) inner bottom part is set
Screwed hole (13) is put, the cushion block (2) includes screw (23), body (24), and the screw (23) is adapted to screwed hole (13), institute
The internal diameter for stating body (24) is more than the diameter of screw (23), and the internal diameter of body (24) is less than the diameter on screw (23) head.
6. the annular bone saw of adjustable-depth according to claim 5, it is characterised in that：The screw (23) is flat head screw.
7. the annular bone saw of adjustable-depth according to claim 6, it is characterised in that：Body (24) top surface and screw
(23) head undersurface adaptation.
8. the annular bone saw of adjustable-depth according to claim 1, it is characterised in that：The side wall of the saw bone cylinder (1) is provided with
Chip-removal hole (12).
9. the annular bone saw of adjustable-depth according to claim 3, it is characterised in that：The cushion block (2) connects with saw bone cylinder (1)
The screw thread connect is left hand thread or right-handed thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621222178.1U CN206424116U (en) | 2016-11-14 | 2016-11-14 | Adjustable-depth annular bone saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621222178.1U CN206424116U (en) | 2016-11-14 | 2016-11-14 | Adjustable-depth annular bone saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206424116U true CN206424116U (en) | 2017-08-22 |
Family
ID=59589596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621222178.1U Active CN206424116U (en) | 2016-11-14 | 2016-11-14 | Adjustable-depth annular bone saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206424116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377293A (en) * | 2016-11-14 | 2017-02-08 | 吴大怡 | Depth-adjustable annular bone saw and use method thereof |
-
2016
- 2016-11-14 CN CN201621222178.1U patent/CN206424116U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377293A (en) * | 2016-11-14 | 2017-02-08 | 吴大怡 | Depth-adjustable annular bone saw and use method thereof |
| CN106377293B (en) * | 2016-11-14 | 2024-05-24 | 吴大怡 | Depth-adjustable annular bone saw and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9295480B2 (en) | Craniotomy drill | |
| CN206403829U (en) | Orthopedic spinal Minimally Invasive Surgery is bored | |
| CN206424116U (en) | Adjustable-depth annular bone saw | |
| US20130178858A1 (en) | Drill bit locking device and drill bit | |
| CN106377293A (en) | Depth-adjustable annular bone saw and use method thereof | |
| CN206355129U (en) | It is a kind of can be with the hollow screw screwdriver of fixation guide pin | |
| CN207256041U (en) | A kind of mechanical grip frock of pincers worker processing | |
| CN206675576U (en) | A kind of percutaneous opening device | |
| CN104382633A (en) | Gynecological surgical knife for cervical conization | |
| CN211388523U (en) | Medical screw-dropping-preventing screwdriver | |
| CN201710410U (en) | Guider for orthopedic internal fixation | |
| CN203915108U (en) | Fracture implantation body extractor | |
| CN207804357U (en) | A kind of tibial plateau fracture repositor | |
| CN201743731U (en) | Medical safety quantifying drill bit | |
| CN201070377Y (en) | Endosteal pressure reduction needle | |
| CN204971445U (en) | Portable multi -functional phalange circle riffler | |
| CN206659902U (en) | A kind of intramedullary nail operation shear pin device cutting member | |
| CN204573926U (en) | Disposable surgical lamp lamp cover | |
| CN202891933U (en) | Novel multi-cutter head orthopaedic measurer | |
| CN203388913U (en) | Vertebral plate drill for use in orthopedic surgery | |
| CN205697987U (en) | A kind of medical anti-rotation holds rod device | |
| CN107510476A (en) | A kind of compound inspection of multi-functional orthopaedics, which is examined, cuts hammer | |
| CN203280471U (en) | Novel medullary cavity expander | |
| CN204744312U (en) | Multi -functional bone internal fixation of crawler -type loading and unloading ware | |
| CN201418780Y (en) | Broken nail extractor of pedicle of vertebral arch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |