CN104887357B - Artificial elbow joint - Google Patents
Artificial elbow joint Download PDFInfo
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- CN104887357B CN104887357B CN201510370212.3A CN201510370212A CN104887357B CN 104887357 B CN104887357 B CN 104887357B CN 201510370212 A CN201510370212 A CN 201510370212A CN 104887357 B CN104887357 B CN 104887357B
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- Prior art keywords
- elbow joint
- ulna
- artificial elbow
- humeral component
- sliding axle
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Abstract
The invention provides an artificial elbow joint and belongs to the field of medical instruments for department of orthopedics. The artificial elbow joint comprises an ulna part used for being connected with an ulna and a humerus part used for being connected with a humerus, the ulna part and the humerus part are movably connected, a sliding part is connected between the ulna part and the humerus part, one end of the sliding part is movably connected on the ulna part while the other end of the same is slidably connected on the humerus part, a protecting sleeve is arranged at a connecting end of the ulna part and the humerus part, a damping groove is formed in the center of the protecting sleeve, and a damping pad is arranged in the damping groove. The artificial elbow joint is simple in structure, reasonable in design and convenient to mount, normal bending and extending movement of the elbow joint can be realized while stability of the same is guaranteed, and the artificial elbow joint is conducive to realizing elbow joint movement of a patient as soon as possible.
Description
Technical field
The present invention relates to orthopaedics medical instruments field, specifically a kind of artificial elbow joint.
Background technology
When because of rheumatism, arthritis deformans or wound equivalent damage elbow joint, the function of making elbow joint is lost, while
Feel fierce pain.In this case, in order to recover the function of elbow joint, the displacement hand for carrying out artificial elbow joint is needed
Art.Artificial elbow joint has the humeral component fixed in humerus amphi position portion and fixed ulna part in ulna peri position portion,
The end coordinative role of these components and constitute joint portion.Great majority are humeral component and ulna part by machines such as linkages
The artificial elbow joint that tool is formed by connecting.But these artificial elbow joints are not provided with supporting mechanism and protection mechanism, with using
The growth of time, humeral component and ulna superstructure loosening or displacement, affect the normal exercising elbow joint of patient.
The content of the invention
The problem to be solved in the present invention is：Overcome the deficiencies in the prior art, there is provided a kind of artificial elbow joint, simple structure,
It is reasonable in design, it is easy for installation, while elbow joint normal flexion-extension motion can be realized, its stability is ensure that again, contribute to
The exercising elbow joint of patient is realized early.
To solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of artificial elbow joint, including one be used for connect
The ulna part and one for connecing ulna is used to connect the humeral component of humerus, and the ulna part is flexibly connected with humeral component, institute
State and connect a slide unit between ulna part and humeral component, one end of the slide unit is movably connected on ulna part
On, the other end is slidably connected in humeral component, and the connection end of the ulna part and humeral component is provided with a protective case, described
The center of protective case is provided with a damping trough, and a beam is provided with the damping trough.
Further, the ulna part is provided with a groove, and one end of the slide unit is articulated with groove.
Further, the humeral component is provided with a chute, and the other end of the slide unit is provided with sliding axle, institute
State sliding axle to slide in chute.
Further, the two ends of the sliding axle are equipped with a limited cap, and the material of the limited cap is high hinge superelevation
Molecular weight polyethylene.
Further, the both sides of the chute are provided with limit channels, and the two ends of the sliding axle are located in limit channels.
Further, the gradient for having several spacing draw-in grooves, the upper end of the spacing draw-in groove in the limit channels is more than
The gradient of lower end.
Further, lockhole is equipped with the ulna part and humeral component, has lock screw to pass through in the lockhole.
Further, the material of the lock screw is Ti-6Al-4V.
Further, the material of the ulna part is Ti-6Al-4V；The material of the humeral component is Ti-6Al-4V；
The material of the beam is high hinge ultra-high molecular weight polyethylene.
Further, the material of the sliding axle and slide unit is CoCrMo alloys.
The present invention has the advantages and positive effects that：
Present configuration is simple, reasonable in design, easy for installation, and between ulna part and humeral component sliding part is connected
Part, the sliding axle of slide unit slides in chute, and the two ends of sliding axle are located in the spacing draw-in groove of limit channels, play support
With spacing effect；The connection end of ulna part and humeral component is provided with protective case, is provided with beam in protective case, protective case and
Beam plays a part of to protect elbow joint, while can realizing elbow joint flexion-extension motion, its stability is ensure that again, has
Help realize the exercising elbow joint of patient early.
Description of the drawings
Fig. 1 is the structural representation of artificial elbow joint of the present invention.
Structural representation when Fig. 2 is artificial elbow joint bending certain angle of the invention.
Fig. 3 is the structural representation of the protective case of artificial elbow joint of the present invention.
Fig. 4 is the structural representation of the chute of artificial elbow joint of the present invention.
Fig. 5 is the structural representation of the sliding axle of artificial elbow joint of the present invention.
Fig. 6 is the structural representation of the lock screw of artificial elbow joint of the present invention.
In figure：1st, ulna part；2nd, humeral component；3rd, slide unit；4th, groove；5th, chute；6th, sliding axle；7th, it is spacing logical
Road；8th, protective case；9th, damping trough；10th, beam；11st, spacing draw-in groove；12nd, limited cap；13rd, lockhole；14th, lock screw.
Specific embodiment
As Figure 1-5, a kind of artificial elbow joint, including one be used for connect ulna ulna part 1 and be used for connect
The material of the humeral component 2 of humerus, ulna part 1 and humeral component 2 is Ti-6Al-4V, and ulna part 1 cuts with scissors with humeral component 2
Connect in succession, a slide unit 3 is connected between ulna part 1 and humeral component 2, ulna part 1 is provided with a groove 4, sliding part
One end of part 3 is articulated with groove 4, and humeral component 2 is provided with a chute 5, and the other end of slide unit 3 is provided with sliding axle 6,
The material of sliding axle 6 and slide unit 3 is CoCrMo alloys, and the two ends of sliding axle 6 are equipped with a limited cap 12, limited cap 12
Material is high hinge ultra-high molecular weight polyethylene, and the both sides of chute 5 are provided with limit channels 7, there is seven limiting cards in limit channels 7
Groove 11, the gradient of the upper end of spacing draw-in groove 11 is more than the gradient of lower end, and the two ends of sliding axle 6 are slided in chute 5, sliding axle 6
Two ends be located in the spacing draw-in groove 11 of limit channels 7, it is and spacing by limited cap 12, prevent sliding axle 6 from rocking, unstable, chi
The connection end of osteogenic section 1 and humeral component 2 is provided with a protective case 8, and the center of protective case 8 is provided with a damping trough 9, beam 10
In damping trough 9, the material of beam 10 is high hinge ultra-high molecular weight polyethylene, is all provided with ulna part 1 and humeral component 2
Having in lockhole 13, lockhole 13 has lock screw 14 to pass through, and the material of lock screw 14 is Ti-6Al-4V.
The course of work of this example：Ulna part 1 is connected into proximal ulna, and is fixed with lock screw 14, by humerus portion
Part 2 connects distal humerus, and is fixed with lock screw 14, artificial elbow joint when flexion and extension is completed, the slip of slide unit 3
Axle 6 slides in chute 5, and the two ends of sliding axle 6 are located in the spacing draw-in groove 11 of limit channels 7, play support and spacing work
With the connection end of ulna part 1 and humeral component 2 is provided with protective case 8, protective case 8 and is provided with beam 10, protective case 8 and subtracts
Shake pad 10 plays a part of to protect elbow joint, while can realizing elbow joint flexion-extension motion, its stability is ensure that again,
Contribute to realizing the exercising elbow joint of patient early.
Embodiments of the invention have been described in detail above, but the content is only the preferred embodiments of the present invention, no
The practical range for limiting the present invention can be considered as.All impartial changes made according to the present patent application scope and improvement etc.,
Should still belong within the patent covering scope of the present invention.
Claims (8)
1. a kind of artificial elbow joint, including the ulna part and for connecting ulna is used to connect the humeral component of humerus,
The ulna part is flexibly connected with humeral component, it is characterised in that：Connection one between the ulna part and humeral component is slided
Dynamic component, one end of the slide unit is movably connected on ulna part, and the other end is slidably connected in humeral component, described
Ulna part is provided with a groove, and one end of the slide unit is articulated with groove, and the humeral component is provided with a chute,
The other end of the slide unit is provided with sliding axle, and the sliding axle slides in chute, the ulna part and humerus portion
The connection end of part is provided with a protective case, and the center of the protective case is provided with a damping trough, a beam is provided with the damping trough.
2. a kind of artificial elbow joint according to claim 1, it is characterised in that：The two ends of the sliding axle are equipped with a limit
Position cap, the material of the limited cap is high hinge ultra-high molecular weight polyethylene.
3. a kind of artificial elbow joint according to claim 2, it is characterised in that：The both sides of the chute are provided with spacing logical
Road, the two ends of the sliding axle are located in limit channels.
4. a kind of artificial elbow joint according to claim 3, it is characterised in that：There are several spacing in the limit channels
Draw-in groove, the gradient of the upper end of the spacing draw-in groove is more than the gradient of lower end.
5. a kind of artificial elbow joint according to claim 4, it is characterised in that：On the ulna part and humeral component
Lockhole is provided with, has lock screw to pass through in the lockhole.
6. a kind of artificial elbow joint according to claim 5, it is characterised in that：The material of the lock screw is Ti-
6Al-4V。
7. a kind of artificial elbow joint according to claim 1, it is characterised in that：The material of the ulna part is Ti-
6Al-4V；The material of the humeral component is Ti-6Al-4V；The material of the beam is high hinge superhigh molecular weight polyethylene
Alkene.
8. a kind of artificial elbow joint according to claim 1, it is characterised in that：The material of the sliding axle and slide unit
For CoCrMo alloys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510370212.3A CN104887357B (en) | 2015-06-29 | 2015-06-29 | Artificial elbow joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510370212.3A CN104887357B (en) | 2015-06-29 | 2015-06-29 | Artificial elbow joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104887357A CN104887357A (en) | 2015-09-09 |
| CN104887357B true CN104887357B (en) | 2017-04-26 |
Family
ID=54020624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510370212.3A Active CN104887357B (en) | 2015-06-29 | 2015-06-29 | Artificial elbow joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104887357B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109966031B (en) * | 2019-04-29 | 2024-07-23 | 中南大学湘雅医院 | Elbow joint |
| CN110393613B (en) * | 2019-08-14 | 2024-11-19 | 北京市春立正达医疗器械股份有限公司 | An elbow joint prosthesis |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO176643C (en) * | 1993-02-10 | 1995-05-10 | Finn Risung | elbow prosthesis |
| CN2659380Y (en) * | 2003-11-28 | 2004-12-01 | 曲彦隆 | Replacable prothesis of self-locking whole elbow joint |
| CN203280543U (en) * | 2013-04-26 | 2013-11-13 | 北京力达康科技有限公司 | Micro-hole tantalum coating assembly type rotary knee joint prosthesis |
| CN204766047U (en) * | 2015-06-29 | 2015-11-18 | 北京贝思达生物技术有限公司 | Artifical elbow joint |
-
2015
- 2015-06-29 CN CN201510370212.3A patent/CN104887357B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104887357A (en) | 2015-09-09 |
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