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US 6,752,811 B2Granted
Laser-resistant medical retrieval device
AssigneeSciMed Life Systems, Inc.
InventorsMichael S. H. Chu, George Bourne
Life of this patent
Estimating the term…
Abstract
A medical device used for retrieving material from within a body includes an engaging assembly in which at least a portion of the engaging assembly is resistant to laser energy-induced damage.
Claims23
A medical device comprising:
- a proximal handle;
- a sheath extending distally from the handle and having a lumen;
- and,
- an engaging assembly for engaging material within a body, the engaging assembly comprising a plumlity of legs, each of the legs having an inside surface and an outside surface, at least a portion of only one of either the inside or the outside surface of at least one leg is covered by a substance resistant to damage from laser energy, the engaging assembly further comprising a position in which the engaging assembly is within the lumen of the sheath and another position in which the engaging assembly extends from a distal end of the sheath and out of the lumen.
1 more element
A medical device comprising:
- a proximal handle;
- a sheath extending distally from the handle and having a lumen;
- an engaging assembly for engaging material within a body, the engaging assembly comprising a plurality of legs, each of the legs having an inside surface and an outside surface, at least a portion of one of the inside and the outside surface of at least one leg is covered by a substance resistant to damage from laser energy, the engaging assembly further comprising a position in which the engaging assembly extends from a distal end of the sheath and out of the lumen;
- and
- a lithotriptor extending through said sheath.
2 more elements
Dependencies are inferred from the claim text.