CN205094695U - Biotype femoral head surface substitutive prosthesis - Google Patents
Biotype femoral head surface substitutive prosthesis Download PDFInfo
- Publication number
- CN205094695U CN205094695U CN201520831484.4U CN201520831484U CN205094695U CN 205094695 U CN205094695 U CN 205094695U CN 201520831484 U CN201520831484 U CN 201520831484U CN 205094695 U CN205094695 U CN 205094695U
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- CN
- China
- Prior art keywords
- femoral head
- pole
- head surface
- center
- single glass
- 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.)
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Abstract
The utility model provides a biotype femoral head surface substitutive prosthesis, includes single glass and centibar, the centibar is the hollow tube compriseed lumen and pipe wall, be equipped with on the pipe wall with the communicating growth through -hole of lumen, single glass of internal surface sets firmly the stand, passes through threaded connection between stand and the centibar. The utility model discloses the structure is firm, convenient operation.
Description
Technical field
This utility model relates to a kind of human femur head surface replacement prosthesis, particularly relates to a kind of human hip Biotype femoral head surface substitutive prosthesis.
Background technology
Application number is 201110104347.7, publication No. be CN102188298A patent discloses a kind of Biotype femoral head surface substitutive prosthesis, comprise single glass and center-pole, center-pole is the hollow pipe be made up of tube chamber and tube wall, tube wall is arranged the growth through hole communicated with tube chamber, tube wall is provided with external screw thread, is threaded connection between center-pole and femur.Intubate is provided with, the single glass of tube chamber grafting by intubate and center-pole in single glass.In this technical scheme, because intubate is connected with the tube chamber plug-in mounting of center-pole, if coordinate too tight between intubate and the tube wall of center-pole, difficulty can be brought to operation technique, also can give in the future second operation time removing of replacement prosthesis make troubles, if coordinate tight between intubate and the tube wall of center-pole, easily cause again being moved between intubate and center-pole, the of long duration femoral head replacement prosthese that can cause occurs to loosen, thus shortens the service life of femoral head replacement prosthese.
Utility model content
The purpose of this utility model is the Biotype femoral head surface substitutive prosthesis providing a kind of convenient operation and stable connection.
The purpose of this utility model is achieved in that a kind of Biotype femoral head surface substitutive prosthesis, comprises single glass and center-pole, and center-pole is the hollow pipe be made up of tube chamber and tube wall, and tube wall is provided with the growth through hole communicated with tube chamber; Single glass of inner surface sets firmly column, and column and center-pole tube chamber are threaded connection.In the technical program, single glass by the column that sets firmly with center-pole to be threaded, stabilized structure, easy to operate.
In order to ensure the steadiness of structure, the length of column is not less than the height of single glass.
For the ease of connecting, column lower end is provided with outer chamfering.
In order to ensure center-pole and single glass of close contact, the link of center-pole and column is provided with outer chamfering.
In order to improve the steadiness of structure further, above-mentioned outer chamfering is arc and adaptive with the inner surface of single glass.
This utility model has following beneficial effect:
1, single glass in this utility model by the column that sets firmly with center-pole to be threaded, stabilized structure, easy to operate.
2, this utility model structure is simple, is easy to processing.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
In figure, 1. single glass, 2. center-pole, 3. grows through hole, 4. column, 5. screw thread.
Detailed description of the invention
Embodiment, a kind of Biotype femoral head surface substitutive prosthesis, comprises single glass 1 and center-pole 2, and center-pole 2 is the hollow pipe be made up of tube chamber and tube wall, and tube wall is provided with the growth through hole 3 communicated with tube chamber; Single glass of 1 inner surface sets firmly column 4, and the length of column 4 is slightly larger than the height of single glass 1.Be connected by screw thread 5 between column 4 with center-pole 2, external screw thread on the wall of column 4, be provided with female thread in the tube chamber of center-pole 2, the lower end of column 4 is provided with outer chamfering.The end, one end that center-pole 2 is connected with column 4 is provided with outer chamfering, and this outer chamfering is arc and adaptive with the inner surface of single glass 1.
Claims (7)
1. a Biotype femoral head surface substitutive prosthesis, comprises single glass (1) and center-pole (2), it is characterized in that: described center-pole (2) is the hollow pipe be made up of tube chamber and tube wall, and described tube wall is provided with the growth through hole (3) communicated with tube chamber; Described single glass (1) inner surface sets firmly column (4), and described column (4) is connected by screw thread (5) with the tube chamber of center-pole (2).
2. Biotype femoral head surface substitutive prosthesis as claimed in claim 1, is characterized in that: the length of described column (4) is not less than the height of single glass (1).
3. Biotype femoral head surface substitutive prosthesis as claimed in claim 1 or 2, is characterized in that: the lower end of described column (4) is provided with outer chamfering.
4. Biotype femoral head surface substitutive prosthesis as claimed in claim 1 or 2, is characterized in that: described center-pole (2) is provided with outer chamfering with the link of column (4).
5. Biotype femoral head surface substitutive prosthesis as claimed in claim 4, is characterized in that: described outer chamfering is arc and adaptive with the inner surface of single glass (1).
6. Biotype femoral head surface substitutive prosthesis as claimed in claim 3, is characterized in that: described center-pole (2) is provided with outer chamfering with the link of column (4).
7. Biotype femoral head surface substitutive prosthesis as claimed in claim 6, is characterized in that: described outer chamfering is arc and adaptive with the inner surface of single glass (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520831484.4U CN205094695U (en) | 2015-10-26 | 2015-10-26 | Biotype femoral head surface substitutive prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520831484.4U CN205094695U (en) | 2015-10-26 | 2015-10-26 | Biotype femoral head surface substitutive prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205094695U true CN205094695U (en) | 2016-03-23 |
Family
ID=55510512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520831484.4U Active CN205094695U (en) | 2015-10-26 | 2015-10-26 | Biotype femoral head surface substitutive prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205094695U (en) |
-
2015
- 2015-10-26 CN CN201520831484.4U patent/CN205094695U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |