CN217660300U - Acetabular system capable of reliably positioning femoral stem - Google Patents
Acetabular system capable of reliably positioning femoral stem Download PDFInfo
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- CN217660300U CN217660300U CN202220490076.7U CN202220490076U CN217660300U CN 217660300 U CN217660300 U CN 217660300U CN 202220490076 U CN202220490076 U CN 202220490076U CN 217660300 U CN217660300 U CN 217660300U
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- femoral stem
- artificial
- femoral
- acetabulum
- acetabular
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Abstract
The utility model relates to the technical field of medical instruments, in particular to an acetabulum system which can reliably position a femoral stem, improve the stability and prevent the femoral stem from falling off; the artificial acetabulum is provided with a plurality of groups of through holes, the bottom end of the artificial acetabulum is fixedly provided with a plurality of groups of positioning balls, the outer wall of the inner lining is fixedly connected with the fixing ring, the fixing ring is provided with a plurality of groups of ball holes, the bottom end of the artificial femoral head is provided with a femoral stem mounting groove, and the bottom end of the femoral stem connecting frame is fixedly connected with the top end of the femoral stem.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially relate to an acetabular bone system that can make femoral stem reliably fix a position.
Background
Hip joint prosthesis replacement is the most effective means for treating hip joint diseases at present, so that the physiological functions of joints of patients are recovered to a certain extent, and the pain is relieved. The acetabular system is an important component of hip prostheses.
The existing acetabulum system mainly comprises an artificial acetabulum, a lining, an artificial femoral head and a femoral stem, wherein the lining is clamped with the artificial acetabulum, the artificial femoral head is clamped with the lining, and the femoral stem is connected with the artificial femoral head. In practical situations, however, parts in the acetabular system are mainly fixed by squeezing through human tissues of a patient, and the artificial acetabulum and the liner are prone to falling off after being used for a long time, so that the stability is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can improve stability, prevent that what drop can make the acetabular bone system of the reliable location of femoral stem.
The utility model discloses a can make acetabular bone system of femoral stem reliable positioning, including artificial acetabulum, inside lining, solid fixed ring, artificial femoral head, femoral stem link and femoral stem, be equipped with the multiunit on the artificial acetabulum and perforate, artificial acetabulum bottom mounting is equipped with multiunit location ball, gu fixed ring and inside lining outer wall fixed connection are equipped with multiunit ball hole on the solid fixed ring, artificial femoral head bottom is equipped with femoral stem mounting groove, femoral stem link bottom and femoral stem top fixed connection.
The utility model discloses a can make acetabular bone system of femoral stem reliable positioning still including keeping off the ring, keep off ring fixed mounting in the inside lining.
The utility model discloses a can be so that acetabular system of femoral stem reliable positioning still includes the connector, connector and femoral stem link top end fixed connection, the connector can clamp to the femoral stem mounting inslot.
The utility model discloses a can make the acetabular bone system of femoral stem reliable positioning, be equipped with the multiunit screw hole on the femoral stem.
The utility model discloses a can be so that acetabular bone system of femoral stem reliable positioning, artificial acetabulum and femoral stem are the preparation of titanium alloy material.
Compared with the prior art, the beneficial effects of the utility model are that: at first place artificial acetabulum in patient's thighbone, then pass the perforation through outside bolt, fix artificial acetabulum, later go back the inside lining card go into artificial acetabulum, make the location ball card dress in the bulb hole simultaneously, thereby fix artificial acetabulum and inside lining, then insert artificial femoral head in the inside lining, insert the femoral stem mounting groove of artificial femoral head bottom with the femoral stem link again, thereby couple together it, later insert the femoral stem again to patient's thighbone in can, through the aforesaid setting, can improve stability, prevent to drop.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a front view of the novel structure of the present invention;
fig. 3 is a rear view structure diagram of the present invention;
in the drawings, the reference numbers: 1. an artificial acetabulum; 2. perforating; 3. a positioning ball; 4. a liner; 5. a fixing ring; 6. a ball hole; 7. a baffle ring; 8. an artificial femoral head; 9. a femoral stem mounting groove; 10. a femoral stem connecting frame; 11. a connector; 12. a femoral stem; 13. a threaded bore.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the acetabular system capable of reliably positioning the femoral stem of the present invention comprises an artificial acetabular bone 1, a lining 4, a fixing ring 5, an artificial femoral head 8, a femoral stem connecting frame 10 and a femoral stem 12, wherein the artificial acetabular bone 1 is provided with a plurality of groups of through holes 2, the bottom end of the artificial acetabular bone 1 is fixedly provided with a plurality of groups of positioning balls 3, the fixing ring 5 is fixedly connected with the outer wall of the lining 4, the fixing ring 5 is provided with a plurality of groups of ball holes 6, the bottom end of the artificial femoral head 8 is provided with a femoral stem mounting groove 9, and the bottom end of the femoral stem connecting frame 10 is fixedly connected with the top end of the femoral stem 12; firstly, the artificial acetabulum 1 is placed in the femur of a patient, then the artificial acetabulum 1 is fixed by penetrating the through hole 2 through an external bolt, then the lining 4 is clamped into the artificial acetabulum 1, and simultaneously the positioning ball 3 is clamped in the ball hole 6, so that the artificial acetabulum 1 and the lining 4 are fixed, then the artificial femoral head 8 is inserted into the lining 4, then the femoral stem connecting frame 10 is inserted into the femoral stem mounting groove 9 at the bottom end of the artificial femoral head 8, so that the artificial acetabulum and the lining are connected, and then the femoral stem 12 is inserted into the femur of the patient.
The utility model discloses an acetabulum system which can reliably position the femoral stem, and also comprises a baffle ring 7, wherein the baffle ring 7 is fixedly arranged in the lining 4; by arranging the baffle ring 7, the artificial femoral head 8 can be restrained, the connection between the artificial femoral head 8 and the lining 4 is improved, and the stability of the artificial femoral head 8 is enhanced.
The acetabulum system capable of reliably positioning the femoral stem of the utility model also comprises a connector 11, the connector 11 is fixedly connected with the top end of the femoral stem connecting frame 10, and the connector 11 can be clamped into the femoral stem mounting groove 9; by arranging the connector 11, the connection between the femoral stem 12 and the artificial femoral head 8 can be improved, and the stability is enhanced.
The utility model discloses an acetabulum system which can reliably position a femoral stem, wherein a plurality of groups of threaded holes 13 are arranged on the femoral stem 12; through setting up screw hole 13, the outside bolt of being convenient for passes femoral stem 12 to fix femoral stem 12, improve stability.
The artificial acetabulum 1 and the femoral stem 12 of the acetabulum system capable of reliably positioning the femoral stem of the utility model are made of titanium alloy materials; the titanium has high corrosion resistance and stability, and the artificial acetabulum 1 and the perforation 2 made of the titanium alloy do not influence the essence of a human body after being contacted with the human body for a long time, so that the artificial acetabulum does not cause allergy of the human body and can improve the adaptability of the human body.
The utility model discloses a can make acetabular system of femoral stem reliable positioning, it is at the during operation, at first place artificial acetabulum 1 in patient's thighbone, then pass perforation 2 through outside bolt, fix artificial acetabulum 1, later go into artificial acetabulum 1 with inside lining 4 card again, make location ball 3 clamp in ball hole 6 simultaneously, thereby fix artificial acetabulum 1 and inside lining 4, then insert artificial femoral head 8 in inside lining 4, insert the femoral stem mounting groove 9 of artificial femoral head 8 bottom with connector 11 again, thereby couple together it, later insert femoral stem 12 to patient's thighbone in again, then pass femoral stem 12 with outside bolt, thereby fix femoral stem 12, the backing ring 7 can play the effect of restraint to artificial femoral head 8, improve artificial femoral head 8 and inside lining 4 and be connected, strengthen artificial femoral head 8's stability, connector 11 can improve femoral stem 12 and artificial femoral head 8's connection, strengthen stability.
The utility model discloses a can be so that acetabular bone system of femoral stem reliable positioning, its mounting means, connected mode or the mode of setting are common mechanical type, as long as can reach all can implement of its beneficial effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a can make acetabular bone system of femoral stem reliable positioning, a serial communication port, including artificial acetabulum (1), inside lining (4), solid fixed ring (5), artificial femoral head (8), femoral stem link (10) and femoral stem (12), be equipped with multiunit perforation (2) on artificial acetabulum (1), artificial acetabulum (1) bottom mounting is equipped with multiunit location ball (3), gu fixed ring (5) and inside lining (4) outer wall fixed connection, gu be equipped with multiunit ball hole (6) on fixed ring (5), artificial femoral head (8) bottom is equipped with femoral stem mounting groove (9), femoral stem link (10) bottom and femoral stem (12) top fixed connection.
2. The acetabular system for reliably positioning the femoral stem according to claim 1, further comprising a retaining ring (7), wherein the retaining ring (7) is fixedly mounted in the liner (4).
3. The acetabular system for reliably positioning the femoral stem according to claim 2, further comprising a connector (11), wherein the connector (11) is fixedly connected with the top end of the femoral stem connecting frame (10), and the connector (11) can be clamped into the femoral stem mounting groove (9).
4. The acetabular system for reliably positioning the femoral stem according to claim 3, characterized in that the femoral stem (12) is provided with a plurality of sets of threaded holes (13).
5. The acetabular system for reliably positioning the femoral stem according to claim 4, wherein the artificial acetabulum (1) and the femoral stem (12) are made of titanium alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220490076.7U CN217660300U (en) | 2022-03-07 | 2022-03-07 | Acetabular system capable of reliably positioning femoral stem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220490076.7U CN217660300U (en) | 2022-03-07 | 2022-03-07 | Acetabular system capable of reliably positioning femoral stem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217660300U true CN217660300U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220490076.7U Active CN217660300U (en) | 2022-03-07 | 2022-03-07 | Acetabular system capable of reliably positioning femoral stem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217660300U (en) |
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2022
- 2022-03-07 CN CN202220490076.7U patent/CN217660300U/en active Active
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