Artificial ligament for the spine

Details Artificial ligament for the spine Artificial ligament for the spine

1992-03-17

1993-01-19

Frinks, Ronald

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

Implantable prosthesis

Ligament or tendon

623 17, 606 61, A61F 208

Patent

active

051803933

ABSTRACT:
An artificial ligament for the spine is fixed by pedicle screws on two vertebrae of the spinal column and has first and second hollow eyelets, of general diabolo shape, each one including a concave seat intended to receive the head of the fixation screw; a body haivng a narrowed area; a convex hump complementing the concave seat and intended to be directed towards the vertebrae. The artificial ligament itself is made of a flexible textile material having a longitudinal primary winding arranged in figure eight formation between the narrowed areas of two successive eyelets and a transverse secondary winding arranged in contiguous spirals around the primary winding.

REFERENCES:
patent: 3513484 (1970-05-01), Hauser
patent: 3988783 (1976-11-01), Treace
patent: 4743260 (1988-10-01), Burton
patent: 4834752 (1989-05-01), Van Kampen
patent: 4946377 (1990-08-01), Kavach

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