CN208838256U - Cancellous bone wedge osteotomy clipper under medical cartilage - Google Patents
Cancellous bone wedge osteotomy clipper under medical cartilage Download PDFInfo
- Publication number
- CN208838256U CN208838256U CN201820552854.4U CN201820552854U CN208838256U CN 208838256 U CN208838256 U CN 208838256U CN 201820552854 U CN201820552854 U CN 201820552854U CN 208838256 U CN208838256 U CN 208838256U
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- handle
- shear arm
- curved portion
- cancellous bone
- wedge
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Abstract
Cancellous bone wedge osteotomy clipper under a kind of medical cartilage, belong to the field of medical instrument technology, including wedge-shaped working edge, first shear arm, second shear arm, first curved portion, second curved portion, first handle and second handle, the head of first shear arm and the second shear arm is respectively arranged with wedge-shaped working edge, the tail portion of first shear arm and the second shear arm is hinged, the front end of first curved portion is connect with the tail portion of the first shear arm, the front end of second curved portion is connect with the tail portion of the second shear arm, first curved portion and the second curved portion are heaved and are symmetrical arranged outward, the tail end of first curved portion is hinged on first handle front, the tail portion of second curved portion is hinged on second handle front, the head of the first handle and second handle is hinged, spring damping device is housed between first handle and second handle.The utility model can make wedge-shaped working edge slowly shear the cancellous bone of the donor graft of cancellous bone under cartilage, and the medical staff that is more convenient for grasps shearing dynamics.
Description
Technical field
The utility model relates to the field of medical instrument technology, be especially under a kind of medical cartilage cancellous bone wedge osteotomy cut
Cutter.
Background technique
In the transplanting of bulk allogeneic cartilage, it is generally used and cancellous bone under donor cartilage is modified by hand, and
Tool used in modifying is mostly osteotome or osteotome.In order to solve the osteotomy surface out-of-flatness of hand finish, arbitrariness is also big, causes
The form of each osteotomy surface is inconsistent, and be easy to cause donor osteotomy surface and the unmatched technical problem of receptor osteotomy surface, patent
Number for 201420197390.1, the utility model patent of entitled " cancellous bone wedge osteotomy clipper under medical cartilage ", pass through
Wedge-shaped working edge shears the cancellous bone of the donor graft of cancellous bone under cartilage, to make cancellous bone under transplantation donor cartilage
Form couples completely with receptor cancellous bone bed after osteotomy, it is ensured that the cancellous bone of transplanting cartilage donor is kissed completely with receptor cancellous bone bed
It closes, with the healing of Maximum Contact face, successfully solves the above problem.But the patent still has deficiency in actual application
Place: or the dynamics for causing cancellous bone broken because medical staff overexerts or applying not enough causes shearing difficult, i.e.,
Shearing dynamics is difficult to control.
Utility model content
The technical problems to be solved in the utility model, which is to provide one kind, can make wedge-shaped working edge to the donor of cancellous bone under cartilage
The cancellous bone of graft is slowly sheared, and cancellous bone wedge shape is cut under the medical cartilage of medical staff's grasp shearing dynamics of being more convenient for
Bone shears cutter.
The technical solution of the utility model is to provide cancellous bone wedge shape under a kind of medical cartilage having following structure
Osteotomy clipper, including wedge-shaped working edge, the first shear arm, the second shear arm, the first curved portion, the second curved portion, first handle
And second handle, the head of first shear arm and the second shear arm are respectively arranged with wedge-shaped working edge, the first shear arm and second are cut
The tail portion for cutting arm is hinged, and the front end of first curved portion is connect with the tail portion of the first shear arm, the front end of the second curved portion with
The tail portion of second shear arm connects, and first curved portion and the second curved portion are heaved and are symmetrical arranged outward, the first arc
The tail end in portion is hinged on first handle front, and the tail portion of the second curved portion is hinged on second handle front, the first handle with
The head of second handle is hinged, and spring damping device is housed between first handle and second handle.
Cancellous bone wedge osteotomy clipper under medical cartilage described in the utility model, wherein the spring damping device
For helical spring or rubber column, the second handle middle part is equipped with arcuate guide bar, offers on first handle for arcuate guide
The through-hole of bar insertion, the helical spring or rubber column are set on arcuate guide bar.
Cancellous bone wedge osteotomy clipper under medical cartilage described in the utility model, wherein be all provided on each wedge-shaped working edge
There is installation set, two installation sets are plugged in the head of the first shear arm and the second shear arm respectively, and the first shear arm and second are cut
It cuts and is respectively arranged with bayonet lock and spring on arm, spring withstands on bayonet lock bottom, and the location hole for bayonet lock insertion is offered in the installation set.
Cancellous bone wedge osteotomy clipper under medical cartilage described in the utility model, wherein first shear arm and
The lower part of second shear arm offers several pin holes along length direction.
After using the above structure, compared with prior art, cancellous bone wedge osteotomy is sheared under the medical cartilage of the utility model
Utensil has the advantage that the elastic force being mounted between the first and second handle is slow when medical staff pinches the first and second handle of pressure with hand
Flushing device meeting opponent's one reaction force of pressure, so that medical staff be forced to slow down the confession pinched and speed is pressed to come to cancellous bone under cartilage
The cancellous bone of body graft is sheared；The tighter of pressure is pinched to the first and second handle, which will be bigger, when reaching
The purpose for reminding medical staff's attention is carved, to be conducive to the dynamics that medical staff better grasps shearing.Since this is practical
The tail portion of the first and second shear arm in novel is hinged, and the first and second curved portion is heaved outward, and tail portion be respectively hinged at first,
The head of the front of two handles, the first and second handle is hinged, and therefore, this reasonable lever construction design is so that medical staff exists
It is more laborsaving when operation.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of cancellous bone wedge osteotomy clipper under the medical cartilage of the utility model.
Specific embodiment
With reference to the accompanying drawings and detailed description to cancellous bone wedge osteotomy clipper under the medical cartilage of the utility model
It is described in further detail:
As shown in Figure 1, in this embodiment, cancellous bone wedge osteotomy is sheared under the medical cartilage of the utility model
Device, including wedge-shaped working edge 3, the first shear arm 20, the second shear arm 10, the first curved portion 22, the second curved portion 12, first handle
23 and second handle 13.The head of first shear arm 20 and the second shear arm 10 is respectively arranged with wedge-shaped working edge 3,20 He of the first shear arm
The tail portion of second shear arm 10 is hinged.The front end of first curved portion 22 is connect with the tail portion integral type of the first shear arm 20, and second
The front end of curved portion 12 is connect with the tail portion integral type of the second shear arm 10.First curved portion 22 and the second curved portion 12 are outward
It heaves and is symmetrical arranged, the tail end of the first curved portion 22 is hinged on 23 front of first handle, and the tail portion of the second curved portion 12 is hinged
In 13 front of second handle.First handle 23 and the head of second handle 13 are hinged, between first handle 23 and second handle 13
Equipped with spring damping device 7.
Spring damping device 7 is rubber column (can certainly use helical spring), and the middle part of rubber column is heaved outward is in
It is dolioform, the reaction force applied can be made more uniform.Arcuate guide bar 8 is housed, on first handle 23 in the middle part of second handle 13
The through-hole being inserted into for arcuate guide bar 8 is offered, rubber column is set on arcuate guide bar 8, and there is arcuate guide bar 8 guiding to make
With.
Installation set 4 is equipped on each wedge-shaped working edge 3, two installation sets 4 are plugged in the first shear arm 20 and second respectively and cut
The head of arm 10 is cut, bayonet lock 6 and spring 5, bayonet lock 6 and the equal position of spring 5 are respectively arranged on the first shear arm 20 and the second shear arm 10
In in mounting hole, spring 5 withstands on 6 bottom of bayonet lock, and the location hole being inserted into for bayonet lock 6 is offered in installation set 4.Pass through this structure
The fast assembling-disassembling of wedge-shaped working edge 3 and the first and second shear arm can be achieved.
The lower part of first shear arm 20 and the second shear arm 10 offers several pin holes 11 along length direction, pass through by
Pin shaft is inserted in different lockholes 11 adjusting, it can be achieved that openings of sizes between two wedge-shaped working edges.
When medical staff pinches the first and second handle 23,13 of pressure with hand, the elastic force that is mounted between the first and second handle 23,13
Buffer unit 7 can opponent press a reaction force, thus force medical staff slow down pinch pressure speed come to cancellous bone under cartilage
The cancellous bone of donor graft sheared；The tighter of pressure is pinched to the first and second handle 23,13, which will be bigger,
To achieve the purpose that remind medical staff's attention constantly, to be conducive to the applied force that medical staff better grasps shearing
Degree.Since the tail portion of the first and second shear arm 20,10 in the utility model is hinged, the first and second curved portion 22,12 equal outward bulges
It rises, and tail portion is respectively hinged at the front of the first and second handle 23,13, the head of the first and second handle 23,13 is hinged, therefore, this
The reasonable lever construction design of kind is so that medical staff is more laborsaving in operation.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all be fallen into the protection scope of the utility model.
Claims (4)
1. cancellous bone wedge osteotomy clipper under a kind of medical cartilage, including wedge-shaped working edge (3), it is characterised in that: further include
One shear arm (20), the second shear arm (10), the first curved portion (22), the second curved portion (12), first handle (23) and second
The head of handle (13), first shear arm (20) and the second shear arm (10) is respectively arranged with wedge-shaped working edge (3), the first shear arm
(20) and the tail portion of the second shear arm (10) is hinged, the front end of first curved portion (22) and the tail portion of the first shear arm (20)
Connection, the front end of the second curved portion (12) are connect with the tail portion of the second shear arm (10), first curved portion (22) and second
Curved portion (12) is heaved and is symmetrical arranged outward, and the tail end of the first curved portion (22) is hinged on first handle (23) front, the
The tail portion of two curved portions (12) is hinged on second handle (13) front, the head of the first handle (23) and second handle (13)
Hingedly, spring damping device (7) are housed between first handle (23) and second handle (13).
2. cancellous bone wedge osteotomy clipper under medical cartilage according to claim 1, it is characterised in that: the elastic force is slow
Flushing device (7) is helical spring or rubber column, arcuate guide bar (8) is housed in the middle part of the second handle (13), first handle
(23) through-hole for arcuate guide bar (8) insertion is offered on, the helical spring or rubber column are set in arcuate guide bar (8)
On.
3. cancellous bone wedge osteotomy clipper under medical cartilage according to claim 2, it is characterised in that: each wedge-shaped working edge
(3) it is equipped on installation set (4), two installation sets (4) are plugged in the first shear arm (20) and the second shear arm (10) respectively
Bayonet lock (6) and spring (5) are respectively arranged on head, the first shear arm (20) and the second shear arm (10), spring (5) withstands on bayonet lock
(6) bottom offers the location hole for bayonet lock (6) insertion on the installation set (4).
4. cancellous bone wedge osteotomy clipper under medical cartilage according to claim 3, it is characterised in that: described first cuts
The lower part for cutting arm (20) and the second shear arm (10) offers several pin holes (11) along length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820552854.4U CN208838256U (en) | 2018-04-18 | 2018-04-18 | Cancellous bone wedge osteotomy clipper under medical cartilage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820552854.4U CN208838256U (en) | 2018-04-18 | 2018-04-18 | Cancellous bone wedge osteotomy clipper under medical cartilage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208838256U true CN208838256U (en) | 2019-05-10 |
Family
ID=66351231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820552854.4U Expired - Fee Related CN208838256U (en) | 2018-04-18 | 2018-04-18 | Cancellous bone wedge osteotomy clipper under medical cartilage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208838256U (en) |
-
2018
- 2018-04-18 CN CN201820552854.4U patent/CN208838256U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20200418 |