CN103908319A - Medical wedge-shaped osteotomy clipper for cancellous bones under basibranchial bones - Google Patents
Medical wedge-shaped osteotomy clipper for cancellous bones under basibranchial bones Download PDFInfo
- Publication number
- CN103908319A CN103908319A CN201410162749.6A CN201410162749A CN103908319A CN 103908319 A CN103908319 A CN 103908319A CN 201410162749 A CN201410162749 A CN 201410162749A CN 103908319 A CN103908319 A CN 103908319A
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- CN
- China
- Prior art keywords
- clipping
- osteotomy
- arm
- clipper
- cutter head
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- 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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Classifications
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- 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
- A61B17/1635—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for grafts, harvesting or transplants
-
- 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
- A61B17/1657—Bone breaking devices
Abstract
The invention relates to a medical wedge-shaped osteotomy clipper for cancellous bones under basibranchial bones. The medical wedge-shaped osteotomy clipper is characterized in that two clipping arms are rotatably connected with each other by a joint in a crossed manner; a section, which is positioned at the rear of the joint, of each clipping arm is a long arm; a section, which is positioned in front of the joint, of each clipping arm is a short arm; the front end of the short arm of each clipping arm is connected with a clamping opening; the front end of each clamping opening is connected with a clipping bit; a plurality of blades are arrayed on each clipping bit; the long arm of one of the clipping arms is connected with a screw; the other end of the screw penetrates in the long arm of the other clipping arm; and a penetration portion of the screw is connected with a nut. Shortcomings that osteotomy surfaces manually trimmed by using a bone knife or a bone chisel are not flat and are high in randomness, an osteotomy surface of a donator is not matched with an osteotomy surface of a receptor, postoperation rejection reaction is caused, and fracture healing is not perfect are overcome. The clipping efficiency is improved; the surgery time is shortened; shapes of clipped bones are the same; clipping force is released slowly and uniformly; the medical wedge-shaped osteotomy clipper can be reused; the osteotomy surface of the donator is completely matched with the osteotomy surface of the receptor; and fracture healing is facilitated.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly spongy bone wedge osteotomy clipper under medical cartilage.
Background technology
Before the present invention makes, when bulk allogeneic cartilage is transplanted, under donor cartilage, before the transplanting of spongy bone, be trimmed to manual operations, use osteotome, the simple tools such as osteotome.The osteotomy surface out-of-flatness of hand finish, random large, cause the form of each osteotomy surface inconsistent, and easily shine into donor osteotomy surface and do not mate with receptor osteotomy surface.Due to manual osteotomy, need to retain spongy bone under more cartilage and, for fixing use, cause homologous cancellus composition to retain more, be one of key factor causing postoperative rejection.Have, traditional-handwork osteotomy is monoplane osteotomy again, no matter spongy bone or receptor spongy bone bed is plane under donor cartilage, therefore, the contact area of donor and receptor is little, and the bone healing time of creeping substitution can be longer, is unfavorable for knitting.Under traditional cartilage, spongy bone monoplane osteotomy can not change original curved surface radian of cartilage, can not mate completely with receptor, can not reach the object of repairing receptor articular surface cartilage completely.
Summary of the invention
Object of the present invention is just to overcome above-mentioned defect, develops spongy bone wedge osteotomy clipper under a kind of medical cartilage
Technical scheme of the present invention is:
Spongy bone wedge osteotomy clipper under medical cartilage, two shear arm infalls are rotationally connected by joint, each shear arm behind joint one section be long-armed, in joint, be galianconism the last period, its technical characteristics is that the galianconism front end of each shear arm connects bayonet socket, and bayonet socket front end connects shearing cutter head, arranges multiple blades on shearing cutter head, the long-armed upper connecting screw rod of one shear arm, the screw rod other end is through the long-armed of another shear arm and passing attaching nut on screw rod partly.
Multiple blades of arranging on described two shearing cutter heads stagger while engagement mutually.
In the external arc of described shearing cutter head, arrange multiple blades, blade is wedge shape.
The rear portion of shearing cutter head is fluted, connects the bayonet socket reed that has a projection on bayonet socket, and groove mates with bayonet socket reed.
Advantage of the present invention and effect are: 1. once shear the wedge osteotomy at once completing spongy bone under cartilage, greatly improve shear efficiency, shorten operating time.2. can select corresponding shearing cutter head according to the radian of donor cartilage.3. the cartilage radian that can be shaped is as required selected the cutter head of corresponding knife edge angular.4. shearing cutter head is fluted, and clipper Connection Card is buckled with projection reed, can directly plug and unplug cutter head, is convenient to replace rapidly cutter head.5. use this invention can make each osteotomy form be consistent, have high repeatability.6. because shearing force is the realization of tightening by the pressurizing nut on long shear arm, there is the dual strength amplification of lever and threaded rod, can shear and put hard osseous tissue; Make shear history shearing force slowly, evenly discharge, shearing amplitude is fine-tuning, can avoid so the direct hand-held shearing shearing difficulty that causes spongy bone fragmentation or dynamics to cause not that overexerts simultaneously.7. this osteotomy clipper is all-metal construction, can repeatedly sterilize, and reuses.8. coordinate receptor cancellous bone transplantation bed former, can make under transplantation donor cartilage form after spongy bone osteotomy mate completely with receptor spongy bone bed, thereby transplantation donor and receptor are fitted like a glove, be easy to bony union.
Accompanying drawing explanation
Fig. 1---structural principle schematic diagram of the present invention.
Fig. 2---Fig. 1 top view.
In figure, each label corresponding component is as follows:
Shear arm 1, joint 2, connection bayonet socket 3, shearing cutter head 4, wedge shape blade 5, bayonet socket reed 6, screw rod 7, pressurizing nut 8, screw rod joint 9.
The specific embodiment
As shown in Figure 1, 2:
Under this cartilage, spongy bone wedge osteotomy clipper is all-metal material preparation, and entirety is pushed together structure.
Two shear arms 1 are elongated rod shape, and bending the intersection connected by joint 2, shear arm 1 is divided into galianconism and long-armed by joint 2, long-armed is portion of the handle.Galianconism end, for connecting bayonet socket 3, connects bayonet socket 3 and is connected with shearing cutter head 4, and shearing cutter head 4 has wedge shape (triangle) blade 5 of multiple arc shootings.Connecting the shearing cutter head 4 that bayonet socket 3 can have different radians from multiple different styles connects.The rear portion of shearing cutter head 4 is fluted, connects the bayonet socket reed 6 that has a projection on bayonet socket 3, and in the time that connection bayonet socket 3 inserts shearing cutter head 4, bayonet socket reed 6 is out of shape, and then upsprings, and the rear portion of being fixed on shearing cutter head 4 is fluted, makes shearing cutter head 4 stable.Shearing cutter head 4 has two, be installed on respectively on the connection buckle 3 of two shear arms 1, wedge shape blade 5 on two shearing cutter heads 4 is for being spaced, the outer side edges that wedge shape blade 5 is distributed in shearing cutter head 4 is on external arc limit, shearing cutter head 4 shearing condition be wedge shape blade 5 for to be coupled into right state, multiple wedge shape blades 5 of arranging on two shearing cutter heads 4 stagger while engaging mutually.On a shear arm 1 long-armed, have a long screw rod 7, screw rod 7 connects through the screw rod joint 9 on the Kong Yuyi shear arm 1 on the relevant position on another shear arm 1 long-armed long-armed, has a pressurizing nut 8 to twist on screw rod 7 at the other end of screw rod 7.
Application process explanation of the present invention:
By the donor graft with spongy bone under cartilage of drawing materials and different styles shearing cutter head 4 relatively, select a pair of shearing cutter head 4 approximate with cartilage surface radian and that knife edge angular is suitable.To connect bayonet socket 3 and insert shearing cutter head 4, now bayonet socket reed 6 is out of shape, and then upsprings, be fixed on the rear portion of shearing cutter head 4 fluted in, make shearing cutter head 4 stable.As improper, can extract shearing cutter head 4, change other styles, like this can fast replacing cutter head until meet the requirements.Be rotated counterclockwise pressurizing nut 8, pressurizing nut 8 is moved along screw rod 7 terminads, can unclamp the portion of the handle of shear arm 1 is opened to (separation), now because joint 2 is as fulcrum, the galianconism of shear arm 1 also separates simultaneously, two also corresponding separation of shearing cutter head 4.To be placed in the donor graft of spongy bone under cartilage between two shearing cutter heads 4, shearing knife edge 5 is aimed at the junction of cartilage and the spongy bone of graft.The now singlehanded portion of the handle that closes up two shear arms 1, another hands pressurizing nut 8 that turns clockwise, pressurizing nut 8 is moved to near-end along screw rod 7, two shear arms 1 are drawn close mutually, shearing cutter head 4 is made slow shear action, spongy bone with the donor graft of spongy bone under cartilage will have part cut, remaining part forms wedge shape and arranges, be used in conjunction with spongy bone wedge osteotomy former under the receptor cartilage of same coupling style, can make under transplantation donor cartilage form and receptor spongy bone bed after spongy bone osteotomy be coupled completely, thereby spongy bone and the receptor spongy bone bed of transplanting cartilage donor are fitted like a glove, heal with maximum contact face, be easy to quick bony union.Because shearing force is the realization of tightening by the pressurizing nut 8 on long shear arm, there is the dual strength amplification of lever and threaded rod, can shear and put hard osseous tissue; Make shear history shearing force slowly, evenly discharge, shearing amplitude is fine-tuning, can avoid so the direct hand-held shearing shearing difficulty that causes spongy bone fragmentation or dynamics to cause not that overexerts simultaneously.
Claims (4)
1. spongy bone wedge osteotomy clipper under medical cartilage, two shear arm infalls are rotationally connected by joint, each shear arm behind joint one section be long-armed, in joint, be galianconism the last period, the galianconism front end that it is characterized in that each shear arm connects bayonet socket, and bayonet socket front end connects shearing cutter head, arranges multiple blades on shearing cutter head, the long-armed upper connecting screw rod of one shear arm, the screw rod other end is through the long-armed of another shear arm and passing attaching nut on screw rod partly.
2. spongy bone wedge osteotomy clipper under medical cartilage according to claim 1, is characterized in that when multiple blades of arranging on two shearing cutter heads engage mutually staggering.
3. spongy bone wedge osteotomy clipper under medical cartilage according to claim 1, is characterized in that arranging multiple blades in the external arc of shearing cutter head, and blade is wedge shape.
4. spongy bone wedge osteotomy clipper under medical cartilage according to claim 1, is characterized in that the rear portion of shearing cutter head is fluted, connects the bayonet socket reed that has a projection on bayonet socket, and groove mates with bayonet socket reed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410162749.6A CN103908319B (en) | 2014-04-21 | 2014-04-21 | Medical wedge-shaped osteotomy clipper for cancellous bones under basibranchial bones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410162749.6A CN103908319B (en) | 2014-04-21 | 2014-04-21 | Medical wedge-shaped osteotomy clipper for cancellous bones under basibranchial bones |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103908319A true CN103908319A (en) | 2014-07-09 |
| CN103908319B CN103908319B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410162749.6A Expired - Fee Related CN103908319B (en) | 2014-04-21 | 2014-04-21 | Medical wedge-shaped osteotomy clipper for cancellous bones under basibranchial bones |
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| CN (1) | CN103908319B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963448A (en) * | 2017-04-06 | 2017-07-21 | 范士洁 | A kind of orthopaedics osteotomy instrument and its application method |
| CN110680464A (en) * | 2019-10-28 | 2020-01-14 | 中国人民解放军陆军军医大学第一附属医院 | Bone rongeur |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5108401A (en) * | 1991-04-12 | 1992-04-28 | New York Society For The Relief Of The Ruptured And Crippled, Maintaining The Hospital For Special Surgery | Patella cutting clamp |
| WO2003099146A2 (en) * | 2002-05-21 | 2003-12-04 | Sdgi Holdings, Inc. | Device for distracing bone segments |
| US20040039397A1 (en) * | 2002-08-22 | 2004-02-26 | Helmut Weber | Medical tool |
| US20120203272A1 (en) * | 2008-03-18 | 2012-08-09 | Wohl Daniel L | Tonsil Forceps |
| WO2012161782A1 (en) * | 2011-02-25 | 2012-11-29 | Cercore, Llc | Ergonomic and versatile handles for tools including surgical instruments |
-
2014
- 2014-04-21 CN CN201410162749.6A patent/CN103908319B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5108401A (en) * | 1991-04-12 | 1992-04-28 | New York Society For The Relief Of The Ruptured And Crippled, Maintaining The Hospital For Special Surgery | Patella cutting clamp |
| WO2003099146A2 (en) * | 2002-05-21 | 2003-12-04 | Sdgi Holdings, Inc. | Device for distracing bone segments |
| US20040039397A1 (en) * | 2002-08-22 | 2004-02-26 | Helmut Weber | Medical tool |
| US20120203272A1 (en) * | 2008-03-18 | 2012-08-09 | Wohl Daniel L | Tonsil Forceps |
| WO2012161782A1 (en) * | 2011-02-25 | 2012-11-29 | Cercore, Llc | Ergonomic and versatile handles for tools including surgical instruments |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963448A (en) * | 2017-04-06 | 2017-07-21 | 范士洁 | A kind of orthopaedics osteotomy instrument and its application method |
| CN110680464A (en) * | 2019-10-28 | 2020-01-14 | 中国人民解放军陆军军医大学第一附属医院 | Bone rongeur |
| CN110680464B (en) * | 2019-10-28 | 2020-07-14 | 中国人民解放军陆军军医大学第一附属医院 | Bone rongeur |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103908319B (en) | 2017-01-18 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20170118 Termination date: 20210421 |