Surgery – Instruments – Means for concretion removal
Patent
1999-02-02
2000-07-25
Smith, Jeffrey A.
Surgery
Instruments
Means for concretion removal
A61B 1722
Patent
active
060931965
ABSTRACT:
A basket type grasping tool of the present invention is equipped with a basket including a plurality of groups of elastic wires. The elastic wires in the respective elastic wire groups have a branch point at the same distance position in an intermediate position from a forward end tip to a rear end tip. Since the elastic wires in the respective elastic wire groups are expanded from the branch point in a spread-apart way, a stable basket shape is maintained, so that a stone can be positively grasped in the basket.
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patent: 5788710 (1998-08-01), Bates et al.
Olympus Optical Co,. Ltd.
Robert Eduardo C.
Smith Jeffrey A.
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