A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/22 (2006.01) A61F 2/00 (2006.01)
Patent
CA 2106578
2106578 9216153 PCTABS00016 A device (100) for extracting a member from a relatively inaccessible location comprises a catheter (102) and wires (101) made of a material having a thermomechanical storage mermory characteristic, e.g. a titanium nickelide composition; the wires are passed into the location with a cross-section similar to that of the catheter and are then heated by a power supply (103) to change their shape to engage the member. The wires may define a basket, a single loop, or two or more loops which can hold between them a member to be extracted, e.g. a calculus or a polyp from a hollow organ. The preferred composition of the wires is: Titanium: 53.5-56.8 %; TiNi3, Ti11Ni14, Ti2Ni: 2.0-10.0 %; Nickel: Balance.
Anokhin Sergei V.
Juravlev Vladimir N.
Khachin Vladimir N.
Kuznetsov Andrei V.
Pinkin Vladimir F.
Anokhin Sergei V.
Juravlev Vladimir N.
Khachin Vladimir N.
Kuznetsov Andrei V.
Pinkin Vladimir F.
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