Tissue cutting and retrieval device and method
OwnerMelvin Levinsoninventor
Life of this patent
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Abstract
A device for cutting and retrieving tissue, including a handle having a tube, a first set of wires positioned within the tube and extending from the handle to distal ends, and a control tip secured to the distal ends. A second set of wires are positioned within the tube and extend from the handle, through a slot in the control tip, to coupled distal ends. A retaining pin is secured to the control tip, extends between at least two of the second set of wires, allows the second set of wires to be extended from the tube and through the control tip, and prevents the second set of wires from being withdrawn from the control tip and into the tube. The retaining pin also extends the second set of wires from the tube upon the first set of wires being extended from the tube.
Claims21
A device for selectively capturing, cutting and retrieving tissue, comprising:
- A) a handle having an elongated, flexible tube extending therefrom along a central axis to a distal end;
- B) a first set of elongated, flexible wires slidingly positioned within the tube and extending along the central axis from the handle to distal ends for extending out of the distal end of the tube;
- C) a control tip secured to the distal ends of the first set of wires, the control tip having a slot;
- D) a second set of elongated, flexible wires slidingly positioned within the tube and extending along the central axis from the handle, through the slot in the control tip, to distal ends, the second set of wires coupled at the distal ends;
- and
- E) a retaining pin secured to the control tip and extending through the slot of the control tip and between at least two of the second set of wires, the retaining pin allowing the distal ends of the second set of wires to be extended through the control tip, and preventing the coupled distal ends of the second set of wires from being withdrawn from the slot of the control tip and into the tube, the retaining pin extending the distal ends of the second set of wires from the distal end of the tube upon the distal ends of the first set of wires being extended from the distal end of the tube.
A method for selectively capturing, cutting and retrieving tissue in a body cavity, comprising:
- A) inserting a distal end of an elongated, flexible tube into the body cavity, the flexible tube extending from a handle and having,
- a first set of elongated, flexible wires slidingly positioned within the tube and extending from the handle to distal ends,
- a control tip secured to the distal ends of the first set of wires, the control tip having a slot,
- a second set of elongated, flexible wires slidingly positioned within the tube and extending from the handle, through the slot in the control tip, to distal ends, the second set of wires coupled at the distal ends, and
- a retaining pin secured to the control tip and extending through the slot of the control tip and between at least two of the second set of wires;
- B) manipulating the second set of wires from the handle so that the distal ends of the second set extend from the distal end of the tube and capture tissue to be cut between at least two wires of the second set;
- C) applying a cauterizing current to the second set of wires such that the tissue is cut;
- D) manipulating the first set of wires from the handle so that the distal ends of the first set of wires and the control tip extend from the distal end of the tube and capture the cut tissue between the first and the second sets of wires;
- and
- E) withdrawing the distal end of the tube, together with the first and the second sets of wires and the cut and captured tissue, from the body cavity.
Dependencies are inferred from the claim text.