CN204683845U - A kind of high-stability artificial elbow joint that can bear high-tension - Google Patents
A kind of high-stability artificial elbow joint that can bear high-tension Download PDFInfo
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- CN204683845U CN204683845U CN201520335303.9U CN201520335303U CN204683845U CN 204683845 U CN204683845 U CN 204683845U CN 201520335303 U CN201520335303 U CN 201520335303U CN 204683845 U CN204683845 U CN 204683845U
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- connecting rod
- bone connecting
- anchor ear
- rotating shaft
- upper arm
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- 210000002310 elbow joint Anatomy 0.000 title claims abstract description 30
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 39
- 210000000784 arm bone Anatomy 0.000 claims abstract description 35
- 210000000078 claw Anatomy 0.000 claims abstract description 32
- 239000000956 alloy Substances 0.000 abstract description 3
- 229910001000 nickel titanium Inorganic materials 0.000 abstract description 3
- 239000002639 bone cement Substances 0.000 description 4
- 210000004394 hip joint Anatomy 0.000 description 3
- 210000000629 knee joint Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010048873 Traumatic arthritis Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 210000002758 humerus Anatomy 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 201000003068 rheumatic fever Diseases 0.000 description 1
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- Prostheses (AREA)
Abstract
The utility model discloses a kind of high-stability artificial elbow joint that can bear high-tension, comprise upper arm bone connecting rod (1) and underarm bone connecting rod (2), described upper arm bone connecting rod (1) is connected by rotating shaft (4) with underarm bone connecting rod (2), the end relative with rotating shaft (4) of described upper arm bone connecting rod (1) arranges fixed claw (3), and on described underarm bone connecting rod (2), the end relative with rotating shaft (4) arranges fixed claw (3).This utility model by arranging fixed claw on the upper arm bone connecting rod and underarm bone connecting rod of common artificial elbow joint, the matching relationship that fixed claw adopts half anchor ear of its mobile jib both sides relatively to hold tightly, and half anchor ear uses nickel-titanium alloy material to make, both sides anchor ear draws in mutually human body arm bone photo and holds tightly, fixed claw to be connected with connecting rod by bolt or directly and connecting rod integral type arrange, whole artificial elbow joint structure can bear the pulling force of high strength, solves the problem that common artificial elbow joint bears pulling force ability.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to the high-stability artificial elbow joint that can bear high-tension that a kind of structure is simple, easy to operate.
Background technology
In recent years, the popularity of Elbow replacement improves gradually.Along with the birth of the progress of surgical technic, novel prosthese, the continuous improvement of clinical efficacy, the application of full Elbow replacement also becomes more and more extensive.Modal indication is rheumatic arthritis, but along with half restriction prosthese invention and update, unstable after the indication of TEA has expanded wound to, traumatic arthritis and old fresh fracture of distal end of humerus.Artificial elbow joint and artificial hip joint, knee joint are the same, are all formed by metal material, macromolecular material manufacture.Mainly be divided into the artificial elbow of hinge type and surface artificial elbow joint.The artificial elbow of metal hinge type, cement reaction need be used, and use artificial joint and bone cement to combine use at the position such as hip joint and knee joint, effect is very good, but when adapting to the concrete condition of elbow joint, but there is ill effect, because different from the joint that hip joint and knee joint etc. mainly exist pressure, the arm of people often needs for taking thing, occur that the situation of pulling force is many, therefore long-term effect of pullling can connect generation destruction to common elbow joint bone cement, make the work that artificial elbow joint can not be firm and stable, therefore a kind of high-stability artificial elbow joint that can bear high-tension is researched and developed extremely important.
Utility model content
The purpose of this utility model is the high-stability artificial elbow joint that can bear high-tension providing a kind of structure simple, easy to operate.
The purpose of this utility model realizes like this, comprise upper arm bone connecting rod and underarm bone connecting rod, described upper arm bone connecting rod is connected by rotating shaft with underarm bone connecting rod, the end relative with rotating shaft of described upper arm bone connecting rod arranges fixed claw, and on described underarm bone connecting rod, the end relative with rotating shaft arranges fixed claw.
This utility model by arranging fixed claw on the upper arm bone connecting rod and underarm bone connecting rod of common artificial elbow joint, operationally, strengthen the robust relationship between connecting rod and human body bone by fixed claw, reach and avoid connecting instability thus the problem be damaged by bone cement between connecting rod and human body bone; The matching relationship that fixed claw adopts half anchor ear of its mobile jib both sides relatively to hold tightly, and half anchor ear uses nickel-titanium alloy material to make, during use, both sides anchor ear draws in mutually human body arm bone photo and holds tightly, strengthen connecting, very firm, and fixed claw to be connected with connecting rod by bolt or direct and connecting rod integral type is arranged, whole artificial elbow joint structure can bear the pulling force of high strength.This utility model structure is simple, and working stability, solves the problem that common artificial elbow joint bears pulling force ability.
Accompanying drawing explanation
Fig. 1 is space structure schematic diagram of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the upward view of Fig. 2;
Fig. 5 is the underarm bone connecting rod 2 in Fig. 1 ~ 4;
Fig. 6 is the space structure schematic diagram of the rotating shaft 4 in Fig. 1 ~ 2;
Fig. 7 is the front view of Fig. 6;
Fig. 8 is the bayonet lock 7 in Fig. 4;
Fig. 9 is the structural representation of chuck 5 in this utility model;
In figure: 1-upper arm bone connecting rod, 2-underarm bone connecting rod, 3-fixed claw, 31-mobile jib, 32-half anchor ear, 33-connects anchor ear, 4-rotating shaft, 41-limited step, 42-bayonet lock locating slot, 5-chuck, 6 bolts, 7-bayonet lock.
Detailed description of the invention
Be further described this utility model below in conjunction with accompanying drawing, but must not be limited this utility model by any way, any change done based on this utility model training centre or improvement, all belong to protection domain of the present utility model.
As shown in accompanying drawing 1 ~ 9, this utility model comprises upper arm bone connecting rod 1 and underarm bone connecting rod 2, described upper arm bone connecting rod 1 is connected by rotating shaft 4 with underarm bone connecting rod 2, the end relative with rotating shaft 4 of described upper arm bone connecting rod 1 arranges fixed claw 3, and on described underarm bone connecting rod 2, the end relative with rotating shaft 4 arranges fixed claw 3.
Described fixed claw 3 comprises mobile jib 31 and half anchor ear 32, and described mobile jib 31 both sides arrange half anchor ear 32, and half anchor ear 32 of mobile jib 31 both sides is embraced cooperation.
Described upper arm bone connecting rod 1 is arranged with fixed claw 3 integral type, and the end that described upper arm bone connecting rod 1 is connected with fixed claw 3 is set to concordant; Described underarm bone connecting rod 2 is arranged with fixed claw 3 integral type, and the end that described underarm bone connecting rod 2 is connected with fixed claw 3 is set to concordant.
Described upper arm bone connecting rod 1 and underarm bone connecting rod 2 are all connected and fixed pawl 3 by bolt 6, and the link of described fixed claw 3 arranges and connects anchor ear 33, and described connection anchor ear 33 arranges screw, and the width of described connection anchor ear 33 is greater than the double-width of half anchor ear 32.
Half anchor ear 32 of described mobile jib 31 both sides is just to setting, and the spacing between half anchor ear 32 being in the same side is 1 ~ 1.5 times of half anchor ear 32 width.
The interlaced setting of half anchor ear 32 of described mobile jib 31 both sides, the spacing between half anchor ear 32 being in the same side is 2 ~ 3 times of half anchor ear 32 width.
The rotating shaft link of described upper arm bone connecting rod 1 and underarm bone connecting rod 2 is all set to the opening groove that cross section is " u " shape, the sidewall of the opening groove of described upper arm bone connecting rod 1 arranges axis hole, rotating shaft 4 is set in described axis hole, the opening groove rotatable engagement of described rotating shaft 4 and underarm bone connecting rod 2, the opening part of described underarm bone connecting rod 2 arranges bayonet lock 7 and rotating shaft 4 location fit, arrange chuck 5 between the opening groove inwall of described upper arm bone connecting rod 1 and the opening groove outer wall of underarm bone connecting rod 2, described chuck 5 is arranged in rotating shaft 4.
The surface of rotating shaft 4 is arranged the limited step 41 be parallel to each other, described limited step 41 coordinates with " u " shape groove inner surface of underarm bone connecting rod 2 is spacing; Described rotating shaft 4 arranges bayonet lock locating slot 42, described bayonet lock locating slot 42 and bayonet lock 7 location fit.
On described upper arm bone connecting rod 1, one end relative with rotating shaft 4 is set to conical head, and on described underarm bone connecting rod 2, one end relative with rotating shaft 4 is set to conical head.
The axle center of the connecting shaft of described upper arm bone connecting rod 1 flies split rollover relative to " u " shape opening groove and arranges 8 ° ~ 10 °, and this angle according to circumstances can adopt different side tilt angle in actual application, and this spare part produces various model by different angles; Or directly regulate the concrete side tilt angle needed with attachment screw.
operation principle of the present utility model and work process
This utility model by arranging fixed claw 3 on the upper arm bone connecting rod 1 and underarm bone connecting rod 2 of common artificial elbow joint, operationally, strengthen the robust relationship between connecting rod and human body bone by fixed claw 3, reach and avoid connecting instability thus the problem be damaged by bone cement between connecting rod and human body bone; The matching relationship that fixed claw 3 adopts half anchor ear of its mobile jib 31 both sides relatively to hold tightly, and half anchor ear uses nickel-titanium alloy material to make, during use, both sides anchor ear draws in mutually human body arm bone photo and holds tightly, strengthen connecting, very firm, and fixed claw 3 to be connected with connecting rod by bolt 6 or direct and connecting rod integral type is arranged, whole artificial elbow joint structure can bear the pulling force of high strength.This utility model structure is simple, and working stability, solves the problem that common artificial elbow joint bears pulling force ability.
Claims (10)
1. one kind can be born the high-stability artificial elbow joint of high-tension, comprise upper arm bone connecting rod (1) and underarm bone connecting rod (2), described upper arm bone connecting rod (1) is connected by rotating shaft (4) with underarm bone connecting rod (2), it is characterized in that: the end relative with rotating shaft (4) of described upper arm bone connecting rod (1) arranges fixed claw (3), on described underarm bone connecting rod (2), the end relative with rotating shaft (4) arranges fixed claw (3).
2. the high-stability artificial elbow joint that can bear high-tension according to claim 1, it is characterized in that: described fixed claw (3) comprises mobile jib (31) and half anchor ear (32), described mobile jib (31) both sides arrange half anchor ear (32), and half anchor ear (32) of mobile jib (31) both sides is embraced cooperation.
3. the high-stability artificial elbow joint that can bear high-tension according to claim 1, it is characterized in that: described upper arm bone connecting rod (1) and fixed claw (3) integral type are arranged, and the end that described upper arm bone connecting rod (1) is connected with fixed claw (3) is set to concordant; Described underarm bone connecting rod (2) and fixed claw (3) integral type are arranged, and the end that described underarm bone connecting rod (2) is connected with fixed claw (3) is set to concordant.
4. the high-stability artificial elbow joint that can bear high-tension according to claim 1, it is characterized in that: described upper arm bone connecting rod (1) and underarm bone connecting rod (2) are all connected and fixed pawl (3) by bolt (6), the link of described fixed claw (3) arranges and connects anchor ear (33), described connection anchor ear (33) arranges screw, and the width of described connection anchor ear (33) is greater than the double-width of half anchor ear (32).
5. the high-stability artificial elbow joint that can bear high-tension according to claim 2, it is characterized in that: half anchor ear (32) of described mobile jib (31) both sides is just to setting, and the spacing between half anchor ear (32) being in the same side is 1 ~ 1.5 times of half anchor ear (32) width.
6. the high-stability artificial elbow joint that can bear high-tension according to claim 2, it is characterized in that: half anchor ear (32) the interlaced setting of described mobile jib (31) both sides, the spacing between half anchor ear (32) being in the same side is 2 ~ 3 times of half anchor ear (32) width.
7. according to claim 1, the high-stability artificial elbow joint that can bear high-tension described in 3 or 4, it is characterized in that: the rotating shaft link of described upper arm bone connecting rod (1) and underarm bone connecting rod (2) is all set to the opening groove that cross section is " u " shape, the sidewall of the opening groove of described upper arm bone connecting rod (1) arranges axis hole, rotating shaft (4) is set in described axis hole, the opening groove rotatable engagement of described rotating shaft (4) and underarm bone connecting rod (2), the opening part of described underarm bone connecting rod (2) arranges bayonet lock (7) and rotating shaft (4) location fit, between the opening groove inwall of described upper arm bone connecting rod (1) and the opening groove outer wall of underarm bone connecting rod (2), chuck (5) is set, described chuck (5) is arranged in rotating shaft (4).
8. the high-stability artificial elbow joint that can bear high-tension according to claim 7, it is characterized in that: the surface of rotating shaft (4) is arranged the limited step (41) be parallel to each other, described limited step (41) coordinates with " u " shape groove inner surface of underarm bone connecting rod (2) is spacing; Described rotating shaft (4) is arranged bayonet lock locating slot (42), described bayonet lock locating slot (42) and bayonet lock (7) location fit.
9. the high-stability artificial elbow joint that can bear high-tension according to claim 1 and 2, it is characterized in that: the upper one end relative with rotating shaft (4) of described upper arm bone connecting rod (1) is set to conical head, the upper one end relative with rotating shaft (4) of described underarm bone connecting rod (2) is set to conical head.
10. the high-stability artificial elbow joint that can bear high-tension according to claim 1,3 or 4, is characterized in that: the axle center of the connecting shaft of described upper arm bone connecting rod (1) arranges 8 ° ~ 10 ° relative to the split rollover of " u " shape opening groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520335303.9U CN204683845U (en) | 2015-05-22 | 2015-05-22 | A kind of high-stability artificial elbow joint that can bear high-tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520335303.9U CN204683845U (en) | 2015-05-22 | 2015-05-22 | A kind of high-stability artificial elbow joint that can bear high-tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204683845U true CN204683845U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520335303.9U Active CN204683845U (en) | 2015-05-22 | 2015-05-22 | A kind of high-stability artificial elbow joint that can bear high-tension |
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| CN (1) | CN204683845U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105832449A (en) * | 2016-06-08 | 2016-08-10 | 李川 | Solidly connected high wear-resistant interphalangeal joint prosthesis |
| CN108908393A (en) * | 2018-09-11 | 2018-11-30 | 刘国松 | Dummy is used in a kind of personification articulation mechanism and the wrestling comprising the mechanism |
| CN109199648A (en) * | 2017-07-03 | 2019-01-15 | 天津富华医疗科技有限公司 | Artificial knee joint |
| CN109199646A (en) * | 2017-07-03 | 2019-01-15 | 天津富华医疗科技有限公司 | Adjustable spring component on artificial knee joint |
| CN109199647A (en) * | 2017-07-03 | 2019-01-15 | 天津富华医疗科技有限公司 | Half condyle formula artificial knee joint |
| CN111214313A (en) * | 2018-11-27 | 2020-06-02 | 南京埃利莎生物技术有限公司 | Bionic buffer system of artificial joint and bionic artificial joint adopting bionic buffer system |
-
2015
- 2015-05-22 CN CN201520335303.9U patent/CN204683845U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105832449A (en) * | 2016-06-08 | 2016-08-10 | 李川 | Solidly connected high wear-resistant interphalangeal joint prosthesis |
| CN109199648A (en) * | 2017-07-03 | 2019-01-15 | 天津富华医疗科技有限公司 | Artificial knee joint |
| CN109199646A (en) * | 2017-07-03 | 2019-01-15 | 天津富华医疗科技有限公司 | Adjustable spring component on artificial knee joint |
| CN109199647A (en) * | 2017-07-03 | 2019-01-15 | 天津富华医疗科技有限公司 | Half condyle formula artificial knee joint |
| CN108908393A (en) * | 2018-09-11 | 2018-11-30 | 刘国松 | Dummy is used in a kind of personification articulation mechanism and the wrestling comprising the mechanism |
| CN108908393B (en) * | 2018-09-11 | 2024-05-28 | 刘国松 | Anthropomorphic joint mechanism and wrestling dummy comprising same |
| CN111214313A (en) * | 2018-11-27 | 2020-06-02 | 南京埃利莎生物技术有限公司 | Bionic buffer system of artificial joint and bionic artificial joint adopting bionic buffer system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190203 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 |
|
| TR01 | Transfer of patent right |