Method and apparatus for soft tissue fixation

Details Method and apparatus for soft tissue fixation Method and apparatus for soft tissue fixation

1996-03-15

1998-10-20

Buiz, Michael Powell

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 57, 604 11, 604 15, 604 46, A61M 3100

Patent

active

058239944

ABSTRACT:
An apparatus for repairing a wound in soft tissue includes an introducer trocar with a sharpened distal end and a hollow lumen. An elongated pin has a distal end, a proximal end and a central section. The pin is formed of compacted, hydrophilic, cross-linked collagen and introduced into the hollow lumen in a non-deployed state. An advancement member includes a distal end and is at least partially positioned in the hollow lumen. The advancement member advances the elongated pin out of the introducer trocar distal end and into a soft tissue structure in the pin's non-deployed state and across a wound in the soft tissue structure. The pin becomes deployed to a deployed state when the collagen in the pin begins to hydrolyze, anchoring the pin and the wound so that the wound can be healed quickly. This produces a maintenance of position for two non-continuous bodies of soft tissue relative to each other. The non-continuity may be the result of a wound, laceration, cut or tear in contiguous soft tissue or at a location where approximation and joining of two discontinues soft tissue structures is desirable.

REFERENCES:
patent: 4950234 (1990-08-01), Fujioka et al.
patent: 5284479 (1994-02-01), de Jong
patent: 5484403 (1996-01-01), Yoakum et al.
patent: 5542920 (1996-08-01), Cherif Cheikh

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