CN103445888A - Externally clamping fixed high-functionality artificial wrist joint prosthesis device - Google Patents
Externally clamping fixed high-functionality artificial wrist joint prosthesis device Download PDFInfo
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- CN103445888A CN103445888A CN2013104116375A CN201310411637A CN103445888A CN 103445888 A CN103445888 A CN 103445888A CN 2013104116375 A CN2013104116375 A CN 2013104116375A CN 201310411637 A CN201310411637 A CN 201310411637A CN 103445888 A CN103445888 A CN 103445888A
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- carpal joint
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Abstract
The invention discloses an externally clamping fixed high-functionality artificial wrist joint prosthesis device. The device comprises a wrist joint cotyle (1) and a wrist joint boss (2) which are matched in a sliding manner, wherein a cotyle cone (3) is arranged at the bottom of the wrist joint cotyle (1); a convex cone (4) is arranged at the top of the wrist joint boss (2); the cotyle cone (3) is connected and matched with a radius clamping band (6); the convex cone (4) is connected and matched with a second metacarpal clamping band (7). The device adopts the wrist joint boss and the wrist joint cotyle as wrist joint pivot mechanisms, and the cotyle cone and the convex cone are matched with the radius and/or the metacarpal in a clamping manner via alloy clamping bands with a memory function. The device is simple in structure, simple and convenient to operate, and stable and reliable to work, and effectively overcomes the defects in the prior art as follows: connection is loose on account of marrow cavity inner inserted connection matching, namely a connection structure arranged in a marrow cavity; a bone structure is easy to damage; the service life is short; a secondary operation is needful. Therefore, the device facilitates the function recovery of a patient wrist, and the patient's pain is reduced.
Description
Technical field
The invention belongs to orthopaedics technique for fixing field, be specifically related to a kind of fixed high functionality artificial joint for wrist of wild card prosthetic appliance that the carpal joint prosthetic replacement resets that is suitable for.
Background technology
Carpal joint is that human body is the most flexible, most important functional part, for traumatic, the degeneration carpal arthritis, the treatment of the disease diseases such as carpal joint is badly damaged, be fused to the master mainly with carpal joint partial fusion or full carpal joint greatly before, development along with medical science, the hope that more patients are urgent can retain its carpal activity when solving pain, it is most suitable selection that carpal joint displacement has become that those have specific (special) requirements or wish and function of joint is required to high patient wrist joints moving, because the carpal application of people is more frequent, carpal joint replacement prosthesis in the past is easily loosening, dislocation, cause the patient again to suffer operation painful, therefore developing a kind of artificial joint for wrist's of being suitable for prosthese high functionality replacement technique is very important, especially be very favorable the service life that is the carpal joint prosthese to patient's functional rehabilitation.
Summary of the invention
It is a kind of simple in structure that the object of the invention is to provide, and resets affixed stable, is conducive to the fixed high functionality artificial joint for wrist of the wild card prosthetic appliance of patient's functional rehabilitation.
The object of the present invention is achieved like this, comprises that carpal joint mortar and carpal joint are protruding, and both slip form types coordinate, and described carpal joint mortar bottom arranges the mortar cone, and the protruding top of described carpal joint arranges convex cone; Described mortar cone coordinates with the radius clamp connection; Described convex cone coordinates with the 2nd metacarpal bone clamp connection.
The present invention adopts that carpal joint is protruding, mortar is as the carpal joint hinge device, and mortar cone, convex cone coordinate with radius and/or metacarpal bone lock ring by the alloy clip with memory function respectively.The present invention is simple in structure, easy and simple to handle, working stability is reliable, effectively overcome in the pulp cavity of prior art and pegged graft and coordinate, the connection that syndeton brings has been set in pulp cavity insecure, and easy damaged bone structure, service life is short, the drawback that needs second operation, be conducive to the recovery of patient's wrist function, reduces patient's misery.
The accompanying drawing explanation
Fig. 1 is prior art artificial prosthesis substitution device overall structure schematic diagram;
Fig. 2 is the artificial prosthetic replacement device of the present invention overall structure schematic diagram;
The end face structure schematic diagram that Fig. 3 is clip of the present invention;
Fig. 4 is another embodiment of the present invention overall structure schematic diagram;
Fig. 5 is the third embodiment overall structure schematic diagram of the present invention;
Fig. 6 is the first embodiment working state schematic representation of the present invention;
Fig. 7 is the third embodiment working state schematic representation of the present invention;
In figure: 1-carpal joint mortar, the 2-carpal joint is protruding, 3-mortar cone, 4-convex cone, the secondary convex cone of 5-, 6-radius clip, 7-the 2nd metacarpal bone clip, 8-the 3rd metacarpal bone clip, 9-ratchet, 10-hold-down screw, 11-the 2nd metacarpal bone, 12-the 3rd metacarpal bone, 13-radius, 14-bulb, 15-ball-and-socket, 16-linking arm.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described, but never in any form the present invention is limited, and any conversion of doing based on the present invention, all fall into protection domain of the present invention.
Fig. 1 shows artificial prosthesis substitution's device overall structure of prior art, and its carpal joint mortar 1 bottom arranges mortar cone 3, and protruding 2 tops of described carpal joint arrange convex cone 4, and the top of described carpal joint protruding 2 also is provided with hold-down screw.Because its mortar cone 3 is pulp cavity type structures, mortar cone 3 inserts in the pulp cavity of radius; Same convex cone 4 is also to insert in the pulp cavity of metacarpal bone, or assists and utilize hold-down screw to be fixed in the marrow bone of metacarpal bone.It is well that this class carpal joint replacement prosthesis device is placed in the fixing design concept in pulp cavity center, but, because the activity of people's wrist is very frequently, so prosthese is easily loosening, loosening rear patient just can only stand the misery of second operation.
As shown in Figure 2, the present invention includes carpal joint mortar 1 and carpal joint protruding 2, both slip form types coordinate, and described carpal joint mortar 1 bottom arranges mortar cone 3, and protruding 2 tops of described carpal joint arrange convex cone 4; Described mortar cone 3 is connected cooperation with radius clip 6; Described convex cone 4 is connected cooperation with the 2nd metacarpal bone clip 7.
Also be provided with secondary convex cone 5 on described carpal joint protruding 2.
Described secondary convex cone 5 is connected cooperation with the 3rd metacarpal bone clip 8.
Described clip is Memorability structure clip.Clip is as fixture, of Ultimum Ti, makes, for fixedly metacarpal bone and distal radius, to guarantee carpal stability.
Configuration relation between described carpal joint protruding 2 and convex cone 4 and/or secondary convex cone 5 axis, and the ergonomic structure relation between carpal bone the respectively and 2nd, 3 metacarpal bones adapts.
Described carpal joint mortar 1 and mortar bore configuration relation between 3 axis and close carpal bone and radius between the ergonomic structure relation adapt.
Fig. 3 shows the structure of clip, and described clip is opposed half-ring hooping structure, and opposed ring end inboard arranges ratchet.
Described clip is bar bundle half-ring hooping structure, and opposed beam ring end inboard arranges ratchet.
On the bullet of described mortar cone 3 and/or convex cone 4, radial groove is set, with the clip secure fit.
On the cylinder of described mortar cone 3 and/or convex cone 4, radial groove is set, with the clip secure fit.
Fig. 4 shows the structure of another embodiment of the present invention, between described carpal joint mortar 1 and carpal joint protruding 2, by ball pivot, coordinates, and in described carpal joint mortar 1, ball-and-socket 15 is set, and the bulb 14 on it is slidably matched with the ball-and-socket on carpal joint protruding 2.
Described ball-and-socket is with high-molecular polythene or ceramic making, or high-molecular polythene or ceramic-lined is set in basic ball-and-socket, and the friction that it is good and greasy property, contribute to the realization of purpose of the present invention.Described ball-and-socket is in order to replace the distal aspect of the radius part, and forms carpal joint with polyethylene prosthese or carpal bone, realizes the activities such as Qu Shen of hand.
Described ball head is made with titanium aluminum niobium alloy, and the surface lining, with the nitride of titanium, also can be ceramic material and makes, and in order to replace the articular portion of part carpal bone, utilizes head and distal aspect of the radius to form carpal joint, realizes the activities such as Qu Shen of hand.
Between described carpal joint mortar 1 and carpal joint protruding 2, fit structure by other means can be realized purpose of the present invention equally.
Fig. 5 shows the structure of the third embodiment of the present invention, and described carpal joint mortar 1 integral body is the ball-and-socket shape, and corresponding protruding 2 integral body of carpal joint are the bulb shape, and both ball-and-socket hinge styles coordinate, and described bulb 14 bottoms arrange the mortar cone, and described ball-and-socket 15 tops arrange convex cone; Described mortar cone coordinates with the radius clamp connection; Described convex cone comprises main convex cone and/or secondary convex cone, with the 2nd, the 3rd metacarpal bone clamp connection, coordinates respectively.
Fig. 6, Fig. 7 show respectively the duty of first and third kind of embodiment, below in conjunction with diagram, further illustrate operation principle of the present invention and work process:
The present invention adopts that carpal joint is protruding, mortar is as the carpal joint hinge device, and mortar cone, convex cone coordinate with radius and/or metacarpal bone lock ring by the Nitinol clip with memory function respectively.Effectively overcome in the pulp cavity of prior art and pegged graft and coordinate, the connection that syndeton brings has been set in pulp cavity insecure, and easy damaged bone structure, service life is short, the drawback that needs second operation, be conducive to the recovery of patient's wrist function, reduces patient's misery.
During use, first carpal joint is protruding, mortar partial devices puts in place, with 0 ~ 5 ° of salt water softening Ultimum Ti eneireling hoop, by clip one end clamping mortar cone, other end clip is on radius, then 40 ° of hot salt brine hot compress memorial alloys, treats in reminiscence original shape process automatically by the reduction of the fracture fixing; In like manner, an end of the Ultimum Ti eneireling hoop of suitable specification is coordinated with convex cone and/or secondary convex cone clamping, the other end coordinates with the 2nd, 3 metacarpal bone clampings respectively.After the memorial alloy replica tightly clip on radius or metacarpal bone, realize the purpose of prosthetic replacement.
Claims (10)
1. the fixed high functionality artificial joint for wrist of a wild card prosthetic appliance, comprise carpal joint mortar (1) and carpal joint protruding (2), both slip form types coordinate, and it is characterized in that: described carpal joint mortar (1) bottom arranges mortar cone (3), and described carpal joint protruding (2) top arranges convex cone (4); Described mortar cone (3) is connected cooperation with radius clip (6); Described convex cone (4) is connected cooperation with the 2nd metacarpal bone clip (7).
2. prosthetic appliance according to claim 1, it is characterized in that: described carpal joint also is provided with secondary convex cone (5) on protruding (2).
3. prosthetic appliance according to claim 2, it is characterized in that: described secondary convex cone (5) is connected cooperation with the 3rd metacarpal bone clip (8).
4. prosthetic appliance according to claim 1 is characterized in that: configuration relation between described carpal joint protruding (2) and convex cone (4) and/or secondary convex cone (5) axis, and the ergonomic structure relation between carpal bone the respectively and 2nd, 3 metacarpal bones adapts.
5. prosthetic appliance according to claim 1 is characterized in that: between described carpal joint mortar (1) and mortar cone (3) axis configuration relation and close carpal bone and radius between the ergonomic structure relation adapt.
6. according to the described prosthetic appliance of claim 1 or 3, it is characterized in that: described clip is Memorability mechanism clip.
7. according to the described prosthetic appliance of claim 1 or 3, it is characterized in that: described clip is opposed half-ring hooping structure or bar bundle half-ring hooping structure, and opposed ring end inboard arranges ratchet.
8. prosthetic appliance according to claim 1 or 5 is characterized in that: on the bullet of described mortar cone (3) and/or convex cone and/or cylinder, radial groove is set, with the clip secure fit.
9. prosthetic appliance according to claim 1 or 5, it is characterized in that: described carpal joint mortar (1) coordinates by ball pivot between protruding with carpal joint (2), ball-and-socket (15) is set in described carpal joint mortar (1), and the ball pivot head (14) on it is slidably matched with the hinge head nest on carpal joint protruding (2).
10. prosthetic appliance according to claim 1 or 5, it is characterized in that: described carpal joint mortar (1) integral body is the ball-and-socket shape, corresponding carpal joint protruding (2) integral body is the bulb shape, both ball-and-socket hinge styles coordinate, described bulb (14) bottom arranges the mortar cone, and described ball-and-socket (15) top arranges convex cone; Described mortar cone coordinates with the radius clamp connection; Described convex cone comprises main convex cone and/or secondary convex cone, with the 2nd, the 3rd metacarpal bone clamp connection, coordinates respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310411637.5A CN103445888B (en) | 2013-09-11 | 2013-09-11 | Externally clamping fixed high-functionality artificial wrist joint prosthesis device |
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| CN201310411637.5A CN103445888B (en) | 2013-09-11 | 2013-09-11 | Externally clamping fixed high-functionality artificial wrist joint prosthesis device |
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| CN103445888A true CN103445888A (en) | 2013-12-18 |
| CN103445888B CN103445888B (en) | 2015-04-01 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691634A (en) * | 2016-11-18 | 2017-05-24 | 徐永清 | Wrist joint prosthesis with titanium alloy locking plates |
| CN108938154A (en) * | 2018-05-30 | 2018-12-07 | 吉林大学 | A kind of pure titanium external hanging type Integrated implant artificial limb planting body |
| CN109141622A (en) * | 2018-07-19 | 2019-01-04 | 中国航空工业集团公司沈阳飞机设计研究所 | Sensor hoop component for airplane hydraulic pressure conduit vibration measurement |
| 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 |
| CN112137773A (en) * | 2019-06-28 | 2020-12-29 | 青岛大学附属医院 | Artificial scaphoid for driving in inverted tooth type ball socket joint |
| CN112386373A (en) * | 2020-11-26 | 2021-02-23 | 北京爱康宜诚医疗器材有限公司 | Intramedullary fusion device and femoral prosthesis component with same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691634A (en) * | 2016-11-18 | 2017-05-24 | 徐永清 | Wrist joint prosthesis with titanium alloy locking plates |
| CN108938154A (en) * | 2018-05-30 | 2018-12-07 | 吉林大学 | A kind of pure titanium external hanging type Integrated implant artificial limb planting body |
| CN109141622A (en) * | 2018-07-19 | 2019-01-04 | 中国航空工业集团公司沈阳飞机设计研究所 | Sensor hoop component for airplane hydraulic pressure conduit vibration measurement |
| 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 |
| CN111134909B (en) * | 2018-11-06 | 2022-04-12 | 贵州澳特拉斯科技有限公司 | Combined semi-limited multi-polar artificial wrist joint |
| CN112137773A (en) * | 2019-06-28 | 2020-12-29 | 青岛大学附属医院 | Artificial scaphoid for driving in inverted tooth type ball socket joint |
| CN112137773B (en) * | 2019-06-28 | 2023-02-28 | 青岛大学附属医院 | Artificial scaphoid for driving in inverted tooth type ball socket joint |
| CN112386373A (en) * | 2020-11-26 | 2021-02-23 | 北京爱康宜诚医疗器材有限公司 | Intramedullary fusion device and femoral prosthesis component with same |
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| CN103445888B (en) | 2015-04-01 |
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Effective date of registration: 20190213 Address after: 650032 No. 212 Daguan Road, Xishan District, Kunming City, Yunnan Province Patentee after: 92nd Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army Address before: 650032 Orthopaedic Hospital Affiliated to Kunming Hospital, Chengdu Military Region, Daguan Road, Xishan District, Kunming City, Yunnan Province Co-patentee before: Li Chuan Patentee before: Xu Yongqing |
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