CN2318995Y - Non-handle dissecting artificial hip joint - Google Patents
Non-handle dissecting artificial hip joint Download PDFInfo
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- CN2318995Y CN2318995Y CN 98200233 CN98200233U CN2318995Y CN 2318995 Y CN2318995 Y CN 2318995Y CN 98200233 CN98200233 CN 98200233 CN 98200233 U CN98200233 U CN 98200233U CN 2318995 Y CN2318995 Y CN 2318995Y
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Abstract
The utility model relates to a non-handle dissecting artificial hip joint, and is characterized in that the utility model is composed of an artificial head, an artificial neck and a central biologic nail. The artificial head is in the shape of a big semi-circular ball whose profile on the outer surface is provided with a frustum-shaped concave hole, and the outer periphery of the concave hole is provided with a regulating flange; the artificial neck is in the shape of a hollow bell-shaped round collar like the dissected neck of femur, and the upper end of the round collar is provided with a hole for the center biologic nail to be matched and inserted; the central biologic nail is a threaded rod provided with screw thread and is inserted into the hole at the upper end of the artificial neck, and the nail cap at the upper end is matched with the hole port of the artificial neck in the same height; the artificial head is inserted into the artificial neck in closely matched shape. The utility model has the advantages that the non-handle dissecting artificial hip joint has compact and reasonable design and structure, convenient assemblage and simple operation with the wide surgical operation accommodation range above sixteen years, eliminates the complication of the femur marrow cavity, and can be changed and modified.
Description
This utility model belongs to a kind of medical apparatus and instruments, and particularly a kind of stockless that is used for the treatment of the human femur under loading damage is dissected the shape artificial hip joint.
At present, in the joint surgery field, the widely clinical practice of prosthetic replacement's technology, the displacement of hip joint particularly more to be seen.Use more hip prosthesis at home and abroad and be divided into " half hip (simple femoral head) displacement " and " full hip (femoral head, acetabular bone are simultaneously) displacement " basically, clinical progress is more advocated with full hip prosthetic replacement, how the mode of using promptly has the artificial joint prosthesis of handle with the embedded type articular prosthesis is representative, except that this type of artificial joint that specialized factories such as China Beijing, Tianjin, Jiangsu produce, in recent years also introduced the like product of countries such as American and Britain, moral, method, though production technology differs, price differs, but articular morphology is the same with substitute mode substantially.This type of artificial joint finds that through clinical practice for many years many problems are still arranged: 1, the selectivity at patient's age is narrow, and the clinical indication multiselect is selected as the age more than 45 years old; 2, put poor stability behind the people, have more the loosening of existing articular prosthesis and sink because of not melting fully mutually between osseous tissue and prosthese; 3, operation wound is big, and femur upper segment bone marrow and local blood fortune are destroyed big, infect and the aseptic cell reaction in secondary office section osteosclerosis, regression, the medullary cavity; 4, operational difficulties is reproduced and revised to long-term effect instability, and clinical often have prosthese to get to remove and cause and suffer from the limb crippled and occur.Though once developed at 60-70 age orthopedics circle " two cup-shaped articular prosthesis ", but also can only be used for part femoral head retainer, serious head is downright bad, head distortion, a powder are analysed, head absorbs and cause joint cripetura person all can not use, and What is more also has postoperative cup dermoskeleton propagation that the bad phenomenon of residual head surface necrosis in the limited and secondary cup of two cup movable functions are taken place.In sum, transformation has the femur artificial joint prosthesis of handle to become the problem that the osteoarthrosis surgical field presses for solution.
The purpose of this utility model is to design a kind of stockless and dissects the shape artificial hip joint, and it has overcome above-mentioned a large amount of drawbacks that the artificial joint prosthesis of handle is arranged because of removing shank, and then makes the development in femur portion artificial marrow joint enter a new height.
The technical solution of the utility model: a kind of stockless is dissected the shape artificial hip joint, it is characterized in that it is made up of the biological nail in dummy head, artificial neck and center, said dummy head is capital more than half ball spherical form, outer surface of spheroid section one end has a taper type shrinkage pool, and the adjusting chimb is arranged on the shrinkage pool outer; The bell neck of femur dissection shape that said artificial neck is hollow is enclosed the neck shape, enclosing the neck upper end has the biological nail in the center of confession to cooperate the hole of inserting, and the boss of holding the head of a nail is arranged in the hole, its upper end outer wall also is a frustum, enclosing neck edge, lower end just can be topped in the line upper end of proximal femur greater trochanter and little tuberosity, and enclosing has circular port and the Long Circle hole that is centrosymmetric and distributes on the outer wall of leading the artificial femur neck of shape; The biological nail of institute said central is a threaded screw rod, and ailhead is a warhead shape, be inserted in the aperture of artificial neck upper end after, its upper end head of a nail cooperates and flushes with artificial neck aperture; Above-mentioned said dummy head complies with its big hemisphere bulbous section end taper type shrinkage pool and is insertion tight fit shape with the bell taper type neck body that encloses neck shape upper end of the hollow of artificial neck.
Above-mentioned said stockless is dissected the artificial marrow of shape joint, and its monnolithic case of being made up of dummy head, the biological nail of artificial neck and center should be the left and right side difference shape of proximal femur anatomic form.
Above-mentioned said stockless is dissected the shape artificial hip joint, and the adjusting chimb on its dummy head's the shrinkage pool outer can have tool to adjust the different size of length scope.
Above-mentioned said stockless is dissected the shape artificial hip joint, and the face coat of biomaterial is arranged on the biological ailing body in its center.
Using method of the present utility model and operation principle: at first operation is placed in proximal femur after the cleaning pathological changes with the artificial neck of this artificial joint, the biological nail in the center of inserting then and with it according to being threaded into sclerotin, artificial neck grease is put securely on proximal femur greater trochanter and little tuberosity line, again the dummy head of appropriate size inserted according to its cylindrical hole and artificial neck frustum upper end and cooperate and compress, the artificial thigh bone that assembles is resetted then performs the operation in manual acetabulum at last finishes.The dummy head is the critical piece of joint motions in this artificial joint; has universal spinfunction flexibly; artificial neck is dummy head's a pedestal; also be the basic parts of protection neck of femur mechanics load-bearing; oval or the circular cinclides that is provided with on the artificial neck is so that the filling of postoperative callus makes its joint more firm; obviously reduced loosening factor; the biological nail in center is the auxiliary member of artificial neck; strengthened the stability of artificial neck at proximal femur; and be to constitute one of indivisible mechanics parts of the whole gable-top power in joint; point disperses so this articular prosthesis bears a heavy burden, and meets the biomechanics requirement and has anatomic characteristic.
Superiority of the present utility model is: 1, design concept is rationally ingenious, easy to assembly, and operation technique is simple, and bone destruction is little, supporting point disperses and evenly, meets the hip joint biomechanics characteristic, and stability is good, be difficult for becoming flexible, be difficult for sinking, have good naturality and versatility; 2, broken through and originally the handle structure artificial joint has been arranged, age of operation can be relaxed to any age group more than 16 years old the restriction at operative indication age; 3, eliminated complication in the femoral bone cavitas medullaris that causes because of operation; 4, in case unexpected damage appears in the operation back, the displacement once more and the correction work in joint are simple and convenient; 5, allomeric function recovers fast, and the joint life-span is long, has clinical expansion and using value widely.
Further specify present technique below in conjunction with drawings and Examples.
Fig. 1 is that the related stockless of this utility model is dissected shape artificial hip joint user mode structural representation.
Fig. 2 is overall structure and the partial cutaway schematic that the related stockless of this utility model is dissected the shape artificial hip joint.
Wherein 1 is manual acetabulum, 2 is the artificial thigh bone spheroid, 3 are the bell neck that encloses of artificial neck, and 4a is the biological ailing body in center, and 4b is the head of a nail, 5 is femur, 6 is the taper type shrinkage pool on the dummy head, and 7 for the frustum on the artificial neck encloses the neck upper end, and 8 is the boss in the artificial neck upper end hole, 9 is the circular hole on the artificial neck circumference neck outer wall, and 10 is the slotted hole on the artificial neck circumference neck outer wall.
Embodiment:
A kind of stockless is dissected shape artificial hip joint (seeing Fig. 1,2), it is characterized in that it is made up of dummy head 2, the biological nail of artificial neck 3 and center 4ab, said dummy head is capital more than half ball spherical form, outer surface of spheroid section one end has a taper type shrinkage pool 6, and the adjusting chimb is arranged on the shrinkage pool outer; The bell neck of femur dissection shape that said artificial neck 3 is hollow is enclosed the neck shape, enclosing the neck upper end has the biological nail in the center of confession to cooperate the hole of inserting, and the boss 8 of holding the head of a nail is arranged in the hole, its upper end 7 outer walls also are frustum, enclosing neck edge, lower end just can be topped in the line upper end of proximal femur greater trochanter and little tuberosity, and enclosing has circular port 9 and the Long Circle hole 10 that is centrosymmetric and distributes on the outer wall of leading the artificial femur neck of shape; The biological nail of institute said central is a threaded screw rod 4a, and ailhead is a warhead shape, be inserted in the aperture of artificial neck upper end after, its upper end head of a nail 4b cooperates and flushes with artificial neck aperture; Above-mentioned said dummy head complies with its big hemisphere bulbous section end taper type shrinkage pool 6 and is insertion tight fit shape with the bell taper type neck body 7 that encloses neck shape upper end of the hollow of artificial neck.
The material in this artificial joint adopts international human body internal fixation material.
Claims (4)
1, a kind of stockless is dissected the shape artificial hip joint, it is characterized in that it is made up of the biological nail in dummy head, artificial neck and center, said dummy head is capital more than half ball spherical form, and outer surface of spheroid section one end has a taper type shrinkage pool, and the adjusting chimb is arranged on the shrinkage pool outer; The bell neck of femur dissection shape that said artificial neck is hollow is enclosed the neck shape, enclosing the neck upper end has the biological nail in the center of confession to cooperate the hole of inserting, and the boss of holding the head of a nail is arranged in the hole, its upper end outer wall also is a frustum, enclosing neck edge, lower end just can be topped in the line upper end of proximal femur greater trochanter and little tuberosity, and enclosing has circular port and the Long Circle hole that is centrosymmetric and distributes on the outer wall of leading the artificial femur neck of shape; The biological nail of institute said central is a threaded screw rod, and ailhead is a warhead shape, be inserted in the aperture of artificial neck upper end after, its upper end head of a nail cooperates and flushes with artificial neck aperture; Above-mentioned said dummy head complies with its big hemisphere bulbous section end taper type shrinkage pool and is insertion tight fit shape with the bell taper type neck body that encloses neck shape upper end of the hollow of artificial neck.
2, dissect the shape artificial hip joint by the described stockless of claim 1, it is characterized in that said stockless dissection shape artificial hip joint, its monnolithic case of being made up of dummy head, the biological nail of artificial neck and center should be the left and right side difference shape of proximal femur anatomic form.
3, dissect the shape artificial hip joint by the described stockless of claim 1, it is characterized in that said stockless dissection shape artificial hip joint, the adjusting chimb on its dummy head's the shrinkage pool outer can have tool to adjust the different size of length scope.
4, dissect the shape artificial hip joint by the described stockless of claim 1, it is characterized in that said stockless dissection shape artificial hip joint, the face coat of biomaterial is arranged on the biological ailing body in its center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98200233 CN2318995Y (en) | 1998-01-09 | 1998-01-09 | Non-handle dissecting artificial hip joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98200233 CN2318995Y (en) | 1998-01-09 | 1998-01-09 | Non-handle dissecting artificial hip joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2318995Y true CN2318995Y (en) | 1999-05-19 |
Family
ID=33957804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98200233 Expired - Fee Related CN2318995Y (en) | 1998-01-09 | 1998-01-09 | Non-handle dissecting artificial hip joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2318995Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003024345A1 (en) * | 2001-09-21 | 2003-03-27 | Poon-Ung Chieng | A device for protecting femoral neck |
| WO2004080354A1 (en) * | 2003-03-13 | 2004-09-23 | Poonung Chieng | An aritificial hip joint without a shaft |
| WO2010075774A1 (en) * | 2008-12-30 | 2010-07-08 | Shih Lu-Sun | Replacing module for femoral head and surgical tools |
| CN111134909A (en) * | 2018-11-06 | 2020-05-12 | 天津富华医疗科技有限公司 | Combined semi-limited multi-polar artificial wrist joint |
| CN111134904A (en) * | 2018-11-06 | 2020-05-12 | 天津富华医疗科技有限公司 | Bionic artificial hip joint |
| CN113081400A (en) * | 2019-12-23 | 2021-07-09 | 澳特拉斯(北京)科技有限公司 | Wing-shaped stem-free hip joint prosthesis |
| WO2022077192A1 (en) * | 2020-10-12 | 2022-04-21 | 董谢平 | Artificial hip joint femur-side prosthesis capable of preserving neck of femur |
-
1998
- 1998-01-09 CN CN 98200233 patent/CN2318995Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003024345A1 (en) * | 2001-09-21 | 2003-03-27 | Poon-Ung Chieng | A device for protecting femoral neck |
| US7458990B2 (en) | 2001-09-21 | 2008-12-02 | Poon-Ung Chieng | Device for protecting femoral neck |
| WO2004080354A1 (en) * | 2003-03-13 | 2004-09-23 | Poonung Chieng | An aritificial hip joint without a shaft |
| WO2010075774A1 (en) * | 2008-12-30 | 2010-07-08 | Shih Lu-Sun | Replacing module for femoral head and surgical tools |
| CN111134909A (en) * | 2018-11-06 | 2020-05-12 | 天津富华医疗科技有限公司 | Combined semi-limited multi-polar artificial wrist joint |
| CN111134904A (en) * | 2018-11-06 | 2020-05-12 | 天津富华医疗科技有限公司 | Bionic artificial hip joint |
| CN113081400A (en) * | 2019-12-23 | 2021-07-09 | 澳特拉斯(北京)科技有限公司 | Wing-shaped stem-free hip joint prosthesis |
| EP4079263A4 (en) * | 2019-12-23 | 2023-02-01 | Hongwen Zhu | Wing-shaped stemless hip prosthesis |
| WO2022077192A1 (en) * | 2020-10-12 | 2022-04-21 | 董谢平 | Artificial hip joint femur-side prosthesis capable of preserving neck of femur |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |