CN201356614Y - Bone grafting device for cancellous bones - Google Patents
Bone grafting device for cancellous bones Download PDFInfo
- Publication number
- CN201356614Y CN201356614Y CNU2009200228582U CN200920022858U CN201356614Y CN 201356614 Y CN201356614 Y CN 201356614Y CN U2009200228582 U CNU2009200228582 U CN U2009200228582U CN 200920022858 U CN200920022858 U CN 200920022858U CN 201356614 Y CN201356614 Y CN 201356614Y
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- bone
- groove
- bone grafting
- handle
- cutting edge
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Abstract
A bone grafting device for cancellous bones belongs to the technical field of medical instruments. The bone grafting device is characterized in that the bone grafting device comprises a handle (1) and a shank (2) perpendicular to the handle (1); the front part of the shank (2) is hollow, and a groove (5) is formed at the hollow part thereof; cutting edges are formed on two sides of the groove (5), and the top ends of the cutting edges are sharp points (8); depth stop rods (3) are arranged on both sides of the joint of the shank (2) and the groove (5); and internal threads are formed at the front end of the groove (5). Compared with the prior art, when the bone grafting device is used for grafting, the handle is held and the sharp points are inserted into a bone, as the bone grafting device is rotated, the front end can enter the gap between endosteal lamella and outer circumferential lamella while cutting; the straight cutting edges are utilized to cut the cancellous bones under the action of rotation; and the cut cancellous bone is wrapped and stored in the groove, and is taken out of human body as the bone grafting device is withdrawn. By adopting the bone grafting device, the wound is small, a plurality of times of bone grafting can be carried out through direction change from only one inlet on the bone surface, and the grafting amount is large, so that the requirements of part of bone grafting surgeries are met.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to a kind of spongy bone and gets bone object.
Background technology
In bone surgery, because syntripsis, bone is damaged or bone does not connect etc., all needs to do the bone grafting treatment, in all bone-grafting materials, be best with the osseous tissue of taking from patient self, therefore, bone grafting operation is used from the body bone maximum.At present, the conventional bone method of getting is that otch exposes behind the skeleton to cut a hole with osteotome and gets, operate coarse, wound is big, and gets the bone place complication such as hematoma, infection, pain, nerve injury take place easily, brings many miseries to patient.The applicant is in the micro-wound bone taking device patent of on April 12nd, 2007 application, and the patent No.: ZL200720020850.3 has solved the problem that above-mentioned prior art exists basically, but through clinic trial, also has deficiency aspect bone performance and the security performance getting.
The utility model content
Technical problem to be solved in the utility model is in order to overcome above-mentioned defective, to provide a kind of spongy bone of getting the bone performance and improving safety that can further improve to get bone object.
In order to solve the problems of the technologies described above, the technical scheme that this utility model adopted is: this spongy bone is got bone object, comprise handle and with the perpendicular handle bar of handle, handle bar anterior hollow, on have groove, there is cutting edge the both sides of groove, the top is a spine, it is characterized in that: the both sides at handle bar and groove intersection are provided with depth limiting pole, at the front end of groove female thread are set.
Depth limiting pole to the distance of top spine is 4.5-5.5CM.
Depth limiting pole to the optimum distance of top spine is 5CM.
The female thread of groove front end is the 4-5 circle.
The anterior diameter of hollow handle bar is greater than the rear portion, and groove is a circular groove.
The degree of depth of groove accounts for the 60-70% of Zhou Jing.
The optimum depth of groove accounts for 65% of Zhou Jing.
Cutting edge length is 5-6CM.
The cutting edge optimum length is 5.5CM.
Cutting edge comprises declivous cutting edge and straight cutting edge, and the top of declivous cutting edge is a spine.
Distance between the straight cutting edge is 0.6-1CM.
Optimum distance between the straight cutting edge is 0.8CM.
Handle is circular.Also can be designed to other and hold comfortable shape.
This spongy bone is got bone object, the top is sharp spine, can sting open seam cortex and opening, and spine thrusts little, the good stability of contact surface behind the skeleton, can be in the bone surface slippage, spine connects cutting edge downwards, can cut osseous tissue when rotary handle, the spongy bone that stores under the cutting can be forgiven for groove in the centre, and takes osseous tissue out of external bone grafting as fracture site.The screw thread of groove top end can make more stable the forgiving in groove of osseous tissue that cuts, and be difficult for landing and in bone, take out easily, the depth limiting pole of groove and handle bar intersection both sides, the degree of depth is limited to 5cm, can avoid getting bone object and insert in the bone deeply excessively, improve safety.This apparatus is by a bone surface opening, and changing different directions can repeatedly get bone, and it is bigger to get the bone amount.Because do not destroy inside and outside hone lamella and do not do big otch, wound is very little, avoided tradition to get many complication that bone is easily sent out.Declivous cutting edge has cutting, enlarges the effect of thrusting a little; Straight cutting edge has the effect of cutting spongy bone when rotary handle; The handle bar plays connection, support effect; Handle rises and controls, pressurization and turning effort.
During use, hold handle spine is thrust skeleton, rotary handle then, declivous cutting edge and flat edge cut into groove with spongy bone, when depth reached the 5cm left and right sides, depth limiting pole can play barrier effect, and withdraw from gradually under rotation and get bone object this moment, spongy bone in the groove can be taken out of external, as the bone grafting of fracture site.
Compared with prior art the beneficial effect that this utility model had is: spongy bone of the present utility model is got bone object, hold handle when getting bone spine is thrust skeleton, otch is little, do not destroy inside and outside hone lamella, and it is little that the bone local wound is got in rotation, reached Wicresoft's purpose and avoids a complication of disease.The screw thread of groove top end can make more stable the forgiving in groove of osseous tissue that cuts, and be difficult for landing and in bone, take out easily, the depth limiting pole of groove and handle bar intersection both sides, the degree of depth is limited to 5cm, can avoid getting bone object and insert in the bone deeply excessively, improve safety.This technology is by bone surface inlet, and changing different directions can repeatedly get bone, and it is bigger to get the bone amount, can satisfy the needs of part bone surgery bone grafting.Owing to easy to use, the bone grafting operation utilization rate can be enlarged simultaneously, the time of the probability and the shortening fractures of union of fracture can be improved.Reduce patient's misery.
Description of drawings
Fig. 1 is the structural representation of this utility model embodiment;
Fig. 2 is that the A of Fig. 1 is to view.
Among the figure: 1 handle, 2 handle bars, 3 depth limiting poles, 4 straight cutting edges, 5 grooves, 6 female threads, 7 declivous cutting edges, 8 spines.
The specific embodiment
Shown in Fig. 1-2, the spongy bone of present embodiment is got bone object, by round handle 1 and with the perpendicular handle bar 2 of round handle 1, depth limiting pole 3, straight cutting edge 4, groove 5, female thread 6, declivous cutting edge 7 and spine 8 are formed, handle bar 2 anterior hollow, the anterior diameter of hollow handle bar 2 is greater than the rear portion, on have circular groove 5, the top of groove 5 is a spine 8, the both sides of groove 5 have straight cutting edge 4, both sides at handle bar 2 and groove 5 intersections are provided with depth limiting pole 3, at the front end of groove 5 female thread 6 are set, and the top has declivous cutting edge 7.The degree of depth of groove 5 accounts for the 60-70% of Zhou Jing.Best 65%, between the flat edge 4 apart from 0.6-1CM, the best is 0.8CM, the length of cutting edge is 5-6CM, best 5.5CM, depth limiting pole is 5CM to the distance of top spine, the female thread of groove front end is that 4-5 encloses.
This spongy bone is got bone object, the top is sharp spine 8, can sting open seam cortex and opening, and spine 8 thrusts little, the good stability of contact surface behind the skeleton, can be in the bone surface slippage, spine 8 connects cutting edge downwards, can cut osseous tissue when rotary handle 1, and middle is that groove 5 can contain the osseous tissue under the cutting, and osseous tissue is taken out of external, as the bone grafting of fracture site.The female thread 6 of groove 5 top ends can make more stable the forgiving in groove 5 and be difficult for landing and take out easily of the osseous tissue that cuts in bone, the depth limiting pole 3 of groove 5 and handle bar 2 intersection both sides, the degree of depth is limited to 5cm, can avoid getting bone object and insert in the bone deeply excessively, has improved safety.This apparatus is by a bone surface opening, and changing different directions can repeatedly get bone, and it is bigger to get the bone amount.Because do not destroy inside and outside hone lamella and do not do big otch, wound is very little, avoided tradition to get many complication that bone is easily sent out.Declivous cutting edge 7 has cutting, enlarges the effect of thrusting a little; Straight cutting edge 4 has the effect of cutting osseous tissue when rotary handle 1; Handle bar 2 plays connection, support effect; 1 on handle is controlled, pressurization and turning effort.
During use, hold handle 1 spine 8 is percutaneously advanced into skeleton, rotary handle 1 then, and declivous cutting edge 7 and flat edge 4 cut into groove 5 with spongy bone, and cutting is taken osseous tissue out of after finishing external, as the bone grafting of fracture site.
Claims (10)
1, spongy bone is got bone object, comprise handle (1) and with the perpendicular handle bar (2) of handle (1), handle bar (2) anterior hollow, on have groove (5), there is cutting edge the both sides of groove (5), the top is spine (8), it is characterized in that: the both sides at handle bar (2) and groove (5) intersection are provided with depth limiting pole (3), at the front end of groove (5) female thread are set.
2, spongy bone according to claim 1 is got bone object, it is characterized in that: depth limiting pole (3) to the distance of top spine (8) is 4.5-5.5CM.
3, spongy bone according to claim 2 is got bone object, it is characterized in that: depth limiting pole (3) to the distance of top spine (8) is 5CM.
4, spongy bone according to claim 1 is got bone object, it is characterized in that: the female thread of groove (5) front end is the 4-5 circle.
5, spongy bone according to claim 1 is got bone object, it is characterized in that: the anterior diameter of hollow handle bar (2) is greater than the rear portion, and groove (5) is a circular groove.
6, spongy bone according to claim 1 is got bone object, it is characterized in that: the degree of depth of groove (5) accounts for the 60-70% of Zhou Jing.
7, spongy bone according to claim 1 is got bone object, it is characterized in that: cutting edge length is 5-6CM.
8, spongy bone according to claim 1 is got bone object, it is characterized in that: cutting edge comprises declivous cutting edge (7) and straight cutting edge (4), and the top of declivous cutting edge (7) is spine (8).
9, spongy bone according to claim 1 is got bone object, it is characterized in that: the distance between the straight cutting edge (4) is 0.6-1CM.
10, spongy bone according to claim 1 is got bone object, it is characterized in that: handle (1) is for circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200228582U CN201356614Y (en) | 2009-03-04 | 2009-03-04 | Bone grafting device for cancellous bones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200228582U CN201356614Y (en) | 2009-03-04 | 2009-03-04 | Bone grafting device for cancellous bones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201356614Y true CN201356614Y (en) | 2009-12-09 |
Family
ID=41422367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200228582U Expired - Fee Related CN201356614Y (en) | 2009-03-04 | 2009-03-04 | Bone grafting device for cancellous bones |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201356614Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269659A (en) * | 2010-09-22 | 2013-08-28 | 奥思索尼克斯有限公司 | Improved femoral implant revision tool |
| FR3032107A1 (en) * | 2015-02-04 | 2016-08-05 | Xavier Renard | SURGICAL DEVICE FOR REALIZING AND LOCATING AN ORIFICE IN A WALL SITUATED IN OPAQUE MOU |
-
2009
- 2009-03-04 CN CNU2009200228582U patent/CN201356614Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269659A (en) * | 2010-09-22 | 2013-08-28 | 奥思索尼克斯有限公司 | Improved femoral implant revision tool |
| CN103269659B (en) * | 2010-09-22 | 2015-11-25 | 奥思索尼克斯有限公司 | The femoral implant revision tool improved |
| FR3032107A1 (en) * | 2015-02-04 | 2016-08-05 | Xavier Renard | SURGICAL DEVICE FOR REALIZING AND LOCATING AN ORIFICE IN A WALL SITUATED IN OPAQUE MOU |
| WO2016124826A1 (en) * | 2015-02-04 | 2016-08-11 | Xavier Renard | Surgical device for producing an opening in a soft opaque medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091209 Termination date: 20100304 |