RELEASABLE BASKET AND METHOD OF MAKING THEREOF
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Accused Products
Abstract
A medical retrieval device includes a basket formed of two or more loops. The basket may be used to retrieve material (e.g., a urinary stone) from a body. The basket opens and closes for end-encapsulation of a stone and is strengthened by support members that interconnect the basket loops. A captured stone may be released from the basket with the basket still in the body by opening the loops.
111 Citations
49 Claims
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1-29. -29. (canceled)
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30. A method for making a retrieval assembly comprising, the steps of:
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(a) forming a frame substantially in a plane, the frame comprising at least three loop members, and at least three joining members connecting the loop members to define an aperture of said frame; (b) folding the frame to superimpose the joining members on one another causing the loop members to form loops extending away from the joining members; and (c) securing together the superimposed joining members of the frame. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37)
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38. A method for manufacturing a retrieval assembly, comprising the steps of:
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forming a first configuration comprising a substantially T-shape including three members, each member comprising a free end, one member positioned substantially perpendicular to the other two members; folding the other two members of the first configuration to form a loop with an apex; folding the substantially perpendicular member at the apex of the loop to form a first hemi-basket; forming a second configuration comprising a substantially T-shape including three members, each member comprising a free end, one member positioned substantially perpendicular to the other two members; folding the other two members of the second configuration to form a loop with an apex; folding the substantially perpendicular member at the apex of the loop to form a second hemi-basket; opposing the loop of the first hemi-basket to the loop of the second hemi-basket; and securing the free ends of members of the first hemi-basket to the free ends of members of the second hemi-basket. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46)
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47. A method for manufacturing a retrieval assembly, comprising the steps of:
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forming a first loop from a first length of wire comprising two ends; forming a second loop from a second length of wire comprising two ends; securing the ends of the first length of wire to the ends of the second length of wire to form a plurality of loops. - View Dependent Claims (48, 49)
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Specification