Swivel connection between two parts of an orthopedic technical a

Details Swivel connection between two parts of an orthopedic technical a Swivel connection between two parts of an orthopedic technical a

1991-01-28

1993-01-26

Isabella, David

Prosthesis (i.e., artificial body members), parts thereof, or ai

Leg

Knee

623 42, 623 46, A61F 264, A61F 268

Patent

active

051819317

ABSTRACT:
The invention relates to a swivel connection between two parts of an orthopedic technical aid, for example a prosthesis or orthotic device, with an adjustable, inherent articulation stability, consisting of a plane kinematic articulation chain with at least four articulation members and a polycentric swiveling characteristic composed of translatory and rotatory components, the swiveling of at least one articulation member being limited in at least one swivel direction by a first swivel stop. For improving the function, it is proposed that at least one articulation member should be designed in such a way that its length can be altered under the action of an external force.

REFERENCES:
patent: 3823424 (1974-07-01), May
patent: 4310932 (1982-01-01), Nader et al.

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