Laser-resistant medical retrieval device
First Claim
Patent Images
1. 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.
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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.
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Citations
23 Claims
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1. A medical device comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A medical device comprising:
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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.
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Specification