Importance

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Abstract

A medical device comprising a canula assembly having a movable medical instrument assembly on the distal end thereof and a moving assembly on the proximal end thereof. The medical instrument assembly comprises a plurality of cooperating medical instrument structures having proximal ends confined peripherally at a position of confinement and distal ends movable toward and away from each other. Each cooperating medical instrument structure include a longitudinally stable tubular portion at the proximal confined end thereof having an open end spaced from the position of confinement. Each tubular portion has a movable elongated flexure element extending therethrough having a distal end disposed outwardly of the open end of the tubular portion and fixed with respect to a cooperating medical instrument structure at a position thereon spaced from the confined proximal end thereof. The moving assembly includes fixed structure having moving structure movably mounted thereon positioned and configured to be manually moved to effect movement of the distal ends of the movable medical instrument structure by the movement of the movable flexible elements.

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First Claim