Grasper mechanism with biased fixed flexure elements

Details Grasper mechanism with biased fixed flexure elements Grasper mechanism with biased fixed flexure elements

2006-05-09

2006-05-09

McDermott, Corrine (Department: 3738)

Surgery

Instruments

Means for concretion removal

C606S127000, C606S128000, C606S106000, C606S025000, C606S110000, C606S113000, C604S264000, C604S265000

Reexamination Certificate

active

07041108

ABSTRACT:
An expansible and retractable mechanism of the type disclosed in U.S. Pat. No. 5,924,175 and/or a medical grasper of the type disclosed in U.S. Pat. No. 5,906,622 in which (1) the fixed flexure elements are self-biased to move into the expanded condition thereof. A handpiece for the medical grasper is constructed and arranged so that after a stone has been grasped, a further digital pull on the movable handpiece structure effects the application of a limiting resiliently yielding force to the gripping action.

REFERENCES:
patent: 5906622 (1999-05-01), Lippitt et al.
patent: 5924175 (1999-07-01), Lippitt et al.
patent: 6743228 (2004-06-01), Lee et al.

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