CN1404803A - Bone-implanted type artificial fore arm and wrist-rotating method - Google Patents
Bone-implanted type artificial fore arm and wrist-rotating method Download PDFInfo
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- CN1404803A CN1404803A CN 02149087 CN02149087A CN1404803A CN 1404803 A CN1404803 A CN 1404803A CN 02149087 CN02149087 CN 02149087 CN 02149087 A CN02149087 A CN 02149087A CN 1404803 A CN1404803 A CN 1404803A
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- wrist
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- radius
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Abstract
The present invention relates to a bone implanted arficial arm and wrist-turning method. Two bone implant in bodies are respectively inserted into residual ulna of stump of human body and internal cavity of radius, and their portions extended from exterior of skin are connected with upper base body by means of two ball tail bolts, and said upper base body is connected with connecting artificial hand and lower base body. It is characterized by that it directly utilizes the relative movement of residual ulna and radius to drive artificial hand and make it implement active wrist-turning movement, so that it is an ideal stump connection technique.
Description
Technical field
The invention belongs to artificial limb interconnection technique in the biomedical engineering, the particularly a kind of bone implanted artigicial arm and wrist-rotating method that can initiatively revolve wrist.
Background technology
The wrist action majority that revolves of existing artigicial arm is passive type, and promptly by the healthy side hand turn, the minority forearm is done evil through another person to electronic, promptly by driven by motor.The electronic passive wrist that revolves has not only increased by a cover driving device, and for myoelectricity control artigicial arm commonly used, the extraction of the electromyographic signal of wrist is revolved in control, there is not efficient and simple method yet, the electromyographic signals that substitute muscle that adopt more, the patient uses inconvenience, and intuition is poor.Utilize remaining ulna of amputee and radius, imitate healthy human arm, it is at present also rare directly to drive the method for revolving wrist by implant and intermediary movable connecting device.
Summary of the invention
The purpose of this invention is to provide a kind of bone implanted artigicial arm and the wrist-rotating method that carry out initiatively revolving wrist as healthy people.Described artigicial arm is made up of top and lower part, it is characterized in that: top and lower part link together through quill 11, four balls 12 and pin 13; Described top is divided into two bone implants 4 inserts in the remaining ulna 2 and remaining radius 3 in the human body deformed limbs 1, and it stretches out the outer part of skin by two ball tail bolts 5, through metallic gasket 6 and rubber sheet gasket 7, is linked to each other with matrix 9 on the intermediate connector by cover plate 8.Matrix 9 is connected to spherical linkage on ball tail bolt 5 and cover plate 8 and the intermediate connector; Described bottom is divided into lower substrate 10 and links to each other with flange 16 through four screws 15, and flange 16 links to each other with the matrix 18 of doing evil through another person through four screws 17.
The commentaries on classics wrist of described artigicial arm be by with artigicial arm stretch out the movable connecting device in centre that bone implant is connected from ulna and radius, directly utilize the relative motion of remaining ulna and radius to drive the movable connecting device in centre is connected with bone implant and the work of doing evil through another person revolves wrist and moves.
The invention has the beneficial effects as follows that matrix links to each other with the bone implant that stretches out from ulna and radius, lower substrate links to each other with doing evil through another person.For providing, the amputee do not need motor-driven, directly utilize the relative motion of remaining ulna and radius to drive to do evil through another person and do to revolve the wrist action, overcome the passive commentaries on classics wrist that prior motor drives, the defective of its perception difference, the patient directly drives by implant and middle movable connector revolves wrist, can enjoy the sensation the same with healthy people; And these two parts can be connected fast and dismantled by healthy side hand, so that user is at night when sleeping, own just can easily pulling down apace done evil through another person.
Description of drawings
Fig. 1 is the structural representation that can initiatively revolve the bone implanted artigicial arm of wrist.
The specific embodiment
Figure 1 shows that the structural representation of the bone implanted artigicial arm that can initiatively revolve wrist.In Fig. 1, remaining ulna 2 and remaining radius 3 that two bone implants 4 insert in the human body deformed limbs 1, it stretches out human external and divides and pass through two ball tail bolts 5, through metallic gasket 6 and rubber sheet gasket 7, is linked to each other with matrix 9 on the intermediate connector by cover plate 8.On ball tail bolt 5 and cover plate 8 and the intermediate connector matrix 9 be connected to spherical linkage, the terminal that makes two bone implants stretch out both can relatively rotate in certain space, can guarantee again to do evil through another person can axial rotation, promptly initiatively revolves wrist.The effect of rubber sheet gasket 7 is to rotate for the sphere that matrix 9 on ball tail bolt 5 and cover plate 8 and the intermediate connector constitutes axial pre tightening force and elastic gap are provided, make when normal posture, intermediate connector and bone implant 4 keep a fixed angle, guarantee not can because of reasons such as the gravity of doing evil through another person (comprising intermediate connector), motion cause do evil through another person and bone implant between the change of angle, have only remaining ulna and radius to have to relatively rotate Shi Caineng to cause to do evil through another person and bone implant between the change (promptly revolving wrist) of angle.In use, after matrix on ball tail bolt 5, metallic gasket 6, rubber sheet gasket 7, cover plate 8 and the intermediate connector 9 and bone implant 4 assembled, these parts were not dismantled when dismounting is done evil through another person, and kept linking to each other through bone implant and deformed limb all the time.
Claims (2)
1. bone implanted artigicial arm, described artigicial arm is made up of top and lower part, it is characterized in that: top and lower part link together through quill (11), protective sleeve (14), four balls (12) and pin (13); Described top is divided into two bone implants (4) and inserts in the remaining ulna (2) and remaining radius (3) in the human body deformed limbs (1), it stretches out the outer part of skin by two ball tail bolts (5), through metallic gasket (6) and rubber sheet gasket (7), linked to each other with matrix (9) on the intermediate connector by cover plate (8), matrix (9) is connected to spherical linkage on ball tail bolt (5) and cover plate (8) and the intermediate connector; Described bottom is divided into lower substrate (10) and links to each other with flange (16) through four screws (15), and flange (16) links to each other with the matrix of doing evil through another person (18) through four screws (17).
2. the wrist-rotating method of a bone implanted artigicial arm, it is characterized in that: the commentaries on classics wrist of described artigicial arm be by with artigicial arm stretch out the movable connecting device in centre that bone implant is connected from ulna and radius, directly utilize the relative motion of remaining ulna and radius to drive the movable connecting device in centre is connected with bone implant and the work of doing evil through another person revolves wrist and moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02149087 CN1199619C (en) | 2002-11-22 | 2002-11-22 | Bone-implanted type artificial fore arm and wrist-rotating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02149087 CN1199619C (en) | 2002-11-22 | 2002-11-22 | Bone-implanted type artificial fore arm and wrist-rotating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1404803A true CN1404803A (en) | 2003-03-26 |
| CN1199619C CN1199619C (en) | 2005-05-04 |
Family
ID=4751611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02149087 Expired - Fee Related CN1199619C (en) | 2002-11-22 | 2002-11-22 | Bone-implanted type artificial fore arm and wrist-rotating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1199619C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366864A (en) * | 2015-12-11 | 2018-08-03 | 因特格鲁姆公司 | Realize the attached device for turning wrist naturally for Integrated implant prosthese |
-
2002
- 2002-11-22 CN CN 02149087 patent/CN1199619C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366864A (en) * | 2015-12-11 | 2018-08-03 | 因特格鲁姆公司 | Realize the attached device for turning wrist naturally for Integrated implant prosthese |
| CN108366864B (en) * | 2015-12-11 | 2019-12-31 | 因特格鲁姆公司 | Attachment device enabling natural wrist rotation for osseointegrated prostheses |
| EP3386446A4 (en) * | 2015-12-11 | 2020-01-22 | Integrum AB | Attachment device allowing natural wrist rotation for osseointegrated prostheses |
| US10729563B2 (en) | 2015-12-11 | 2020-08-04 | Integrum Ab | Attachment device allowing natural wrist rotation for osseointegrated prostheses |
| AU2016369192B2 (en) * | 2015-12-11 | 2021-07-08 | Integrum Ab | Attachment device allowing natural wrist rotation for osseointegrated prostheses |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1199619C (en) | 2005-05-04 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050504 Termination date: 20091222 |