CN203252772U - Bone bed manufacturing device - Google Patents
Bone bed manufacturing device Download PDFInfo
- Publication number
- CN203252772U CN203252772U CN 201320177533 CN201320177533U CN203252772U CN 203252772 U CN203252772 U CN 203252772U CN 201320177533 CN201320177533 CN 201320177533 CN 201320177533 U CN201320177533 U CN 201320177533U CN 203252772 U CN203252772 U CN 203252772U
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- Prior art keywords
- bone bed
- rivet nut
- preparing device
- bone
- solid rivet
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Abstract
The utility model discloses a bone bed manufacturing device. The bone bed manufacturing device comprises a nail fixing body and a plurality of punching nails which are fixed on a nail fixing body, and the head portions of the punching nails are located on the same side of the nail fixing body. According to the bone bed manufacturing device, by beating one side of the nail fixing body is beaten, the punching nails located on the other side of the nail fixing body are beaten into a hardening face of a bone, and therefore a bone bed with a plurality of holes is manufactured. Compared with the prior art, the bone bed manufacturing device shortens the punching time.
Description
Technical field
This utility model relates to osteoarthrosis replacement technique field, particularly a kind of bone bed preparing device.
Background technology
In the osteoarthrosis replacement operation, generally be in replacement knee in arthroplasty, need Cement that pseudarthrosis and the bone initial stage of carrying out are fixed, through long one period, osseous tissue is combined with pseudarthrosis, and in the bone cement of namely growing into, the realization later stage is fixed the osseous tissue microcosmic.Because in the replacement operation, osteosclerosis occurs easily in the load-bearing district of bone, the osteosclerosis meeting causes bone cement can not be combined well with bone, causes the interface of bone and bone cement to occur loosening, fixing insecure.
Can not be well in conjunction with also fixing problem for solving bone cement and bone, existing a kind of technology is in the osteoarthrosis replacement operation, use the special-purpose screw of operation in the hardened face punching of bone, preparation bone bed makes in the bone cement infiltration hand-hole, utilizes bone cement that pseudarthrosis and bone setting-in are fixed on the one hand, realize that the initial stage is fixed preferably, increase on the other hand the contact area of bone cement and bone, be beneficial to osseous tissue and grow in the bone cement, realize that the better later stage fixes.But, screw of the prior art can only be made a call to a hole at every turn, for needs are beaten the osteoarthrosis replacement operation that a plurality of holes just can reach fixed effect, preparation bone bed, the time of i.e. punching cost is longer, causes the time lengthening of whole operation, and is then hemorrhage more, the risk of traumatic infection strengthens, healthy totally unfavorable to the patient.
In addition, use screw to punch, the degree of depth in each hole may be inconsistent, and the spacing between each hole is inhomogeneous, and the part, hole is too much caused fracture easily, and the local very few bone cement that causes in hole is fixing bad.
In addition, existing screw diameter is larger, and bone bedside edge fracture occurs during punching easily.
In sum, how reducing the time that the preparation of bone bed spends, is those skilled in the art's problem demanding prompt solutions.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of bone bed preparing device, the time that is spent to reduce the preparation of bone bed.
For achieving the above object, this utility model provides following technical scheme:
A kind of bone bed preparing device comprises:
Gu rivet nut;
Be fixed on the described solid rivet nut and head is positioned at a plurality of punchings nails of described solid rivet nut homonymy.
Preferably, in the above-mentioned bone bed preparing device, also comprise the handle that is arranged on the described solid rivet nut.
Preferably, in the above-mentioned bone bed preparing device, the described round pie that is shaped as of consolidating rivet nut.
Preferably, in the above-mentioned bone bed preparing device, the diameter of described solid rivet nut is 15mm-25mm.
Preferably, in the above-mentioned bone bed preparing device, the number of described punching nail is 5-9.
Preferably, in the above-mentioned bone bed preparing device, described punching nail is evenly distributed on the described solid rivet nut.
Preferably, in the above-mentioned bone bed preparing device, the diameter of described punching nail is 1.5mm-3.5mm, and length is 3mm-7mm.
Preferably, in the above-mentioned bone bed preparing device, the center distance of each described punching nail is 3mm-5mm.
Preferably, in the above-mentioned bone bed preparing device, described punching nail removably is fixed on the described solid rivet nut.
Preferably, in the above-mentioned bone bed preparing device, being shaped as of described handle is shaft-like, and the length of described handle is about 100mm, and removably is fixed on the described solid rivet nut.
Compared with prior art, the beneficial effects of the utility model are:
In the bone bed preparing device that this utility model provides, by beaing a side of solid rivet nut, a plurality of punchings nails that will be positioned on the opposite side of solid rivet nut are thrown the hardened face of bone simultaneously into, thereby prepare the bone bed that contains a plurality of holes; Than prior art, this bone bed preparing device has reduced the used time of punching.
Description of drawings
In order to be illustrated more clearly in this utility model embodiment or scheme of the prior art, the below will do simple the introduction to the accompanying drawing of describing required use in embodiment or the prior art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those skilled in the art, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of bone bed preparing device that Fig. 1 provides for this utility model embodiment;
The structural representation of another angle of a kind of bone bed preparing device that Fig. 2 provides for this utility model embodiment.
Among above-mentioned Fig. 1 and Fig. 2, handle 1, solid rivet nut 2, punching nail 3.
The specific embodiment
This utility model provides a kind of bone bed preparing device, has reduced the time that the preparation of bone bed spends.
Below in conjunction with the accompanying drawing among this utility model embodiment, the technical scheme among this utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on embodiment of the present utility model, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belong to the scope that this utility model is protected.
Please refer to Fig. 1 and Fig. 2, the structural representation of a kind of bone bed preparing device that Fig. 1 provides for this utility model embodiment; The structural representation of another angle of a kind of bone bed preparing device that Fig. 2 provides for this utility model embodiment.
This utility model embodiment provides a kind of bone bed preparing device, comprises solid rivet nut 2 and a plurality of punchings nails 3 that are fixed on the solid rivet nut 2, and the ailhead of punching nail 3 is positioned at the same side of solid rivet nut 2; During use, one of the ailhead that has of solid rivet nut 2 is sidelong on the hardened face that places bone, beat afterwards the opposite side of solid rivet nut 2, all punching nails 3 are tufted in the hardened face simultaneously, and the nail 3 that will punch at last takes out, thereby prepares the bone bed with a plurality of holes, a bone bed of every use preparing device, just can prepare a plurality of holes, if need more hole, only need use to get final product several times more; Compare with existing screw, prepare the bone bed in the hole with as much, the access times of the bone bed preparing device that this utility model embodiment provides are few, thereby reduced the used time of punching, shortened the used time of whole operation, avoided hemorrhage more, reduced the risk of traumatic infection, more be conducive to patient's health.
Above-mentioned bone bed preparing device is optimized, also comprises the handle 1 that is arranged on the solid rivet nut 2, conveniently take and fix, during use, a hands is arrested handle 1, and by on the hardened face of bone, the another hands uses and knocks instrument and beat with bone bed preparing device.
Further optimize, if solid rivet nut 2 adopts the round pie structure, then the diameter of rivet nut 2 is more preferably got about 20mm in the 15mm-25mm scope admittedly; According to practical situation, size can correspondingly be adjusted, and is not limited to above-mentioned listed size range.
According to the size of solid rivet nut 2 number of punching nail 3 is set, punching nail 3 is traditionally arranged to be 5-9, and is perhaps more, more preferably is set to 8.
Preferably, punching nail 3 is distributed on the solid rivet nut 2 equably, can avoid the hole on the hardened face too much local or local very few, and the part too much causes fracture easily, locally crosses that I haven't seen you for ages causes bone cement fixing not firm.
As optimization, the diameter of punching nail 3 is between the 1.5mm-3.5mm, and length is got between the 3mm-7mm; More preferably, diameter is about 2.5mm, and length is about 5mm; Compared to screw of the prior art, the diameter of the punching nail 3 among this utility model embodiment is less, therefore when punching, the phenomenon of bone bedside edge fracture can not occur.
According to the size of solid rivet nut 2, adjust the center distance between each punching nail 3, generally in the 3mm-5mm scope, be preferably about 4mm.
Further optimize, punching among this utility model embodiment nail 3 removably is connected with consolidating between the rivet nut 2, such as, be threaded etc., according to the operation needs, by installation and removal punching nail 3, number to punching nail 3 is adjusted, namely a solid rivet nut 2 goes for a plurality of different operation needs, thereby has simplified product type, has reduced cost.
The material of above-mentioned bone bed preparing device adopts medical steel, but plastics etc. can be adopted in the non-stress position, such as handle.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use this utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, this utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a bone bed preparing device is characterized in that, comprising:
Gu rivet nut (2);
Be fixed in a plurality of punchings nails (3) that the upper and head of described solid rivet nut (2) is positioned at described solid rivet nut (2) homonymy.
2. described bone bed preparing device according to claim 1 is characterized in that, also comprises the handle (1) that is arranged on the described solid rivet nut (2).
3. described bone bed preparing device according to claim 1 is characterized in that, described solid rivet nut (2) be shaped as round pie.
4. described bone bed preparing device according to claim 3 is characterized in that, the diameter of described solid rivet nut (2) is 15mm-25mm.
5. described bone bed preparing device according to claim 1 is characterized in that, the number of described punching nail (3) is 5-9.
6. described bone bed preparing device according to claim 1 is characterized in that, described punching nail (3) is evenly distributed on the described solid rivet nut (2).
7. described bone bed preparing device according to claim 1 is characterized in that, the diameter of described punching nail (3) is 1.5mm-3.5mm, and length is 3mm-7mm.
8. described bone bed preparing device according to claim 1 is characterized in that, the center distance of each described punching nail (3) is 3mm-5mm.
9. described bone bed preparing device according to claim 1 is characterized in that, described punching nail (3) removably is fixed on the described solid rivet nut (2).
10. described bone bed preparing device according to claim 2 is characterized in that being shaped as of described handle (1) is shaft-like, and the length of described handle (1) is about 100mm, and removably is fixed on the described solid rivet nut (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320177533 CN203252772U (en) | 2013-04-10 | 2013-04-10 | Bone bed manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320177533 CN203252772U (en) | 2013-04-10 | 2013-04-10 | Bone bed manufacturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203252772U true CN203252772U (en) | 2013-10-30 |
Family
ID=49465384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320177533 Expired - Fee Related CN203252772U (en) | 2013-04-10 | 2013-04-10 | Bone bed manufacturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203252772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374695A (en) * | 2017-08-22 | 2017-11-24 | 山东大学齐鲁医院(青岛) | A kind of bone platform perforating device |
-
2013
- 2013-04-10 CN CN 201320177533 patent/CN203252772U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374695A (en) * | 2017-08-22 | 2017-11-24 | 山东大学齐鲁医院(青岛) | A kind of bone platform perforating device |
| CN107374695B (en) * | 2017-08-22 | 2023-06-30 | 山东大学齐鲁医院(青岛) | Bone platform perforating device |
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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: 20131030 Termination date: 20140410 |