Noninvasive myectomy device and method
AssigneeMayo Foundation for Medical Education and Research
InventorsNishant Saran, Joseph A. Dearani, Hartzell V. Schaff, Samuel J. Asirvatham, Stephen T. Kuehn, Caroline M. Murray
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Abstract
The present disclosure relates to a catheter-directed myectomy device. The device includes a catheter comprising a body having a distal end, a first lumen, and a second lumen. A blade assembly is disposed in the second lumen of the catheter and movable relative to the distal end between a retracted position and an extended position. A suction assembly is configured to direct a suction force through the first lumen.
Claims34
A catheter-directed myectomy device, the device comprising:
- a catheter body having a distal end, a first lumen, and a second lumen;
- a suction assembly configured to direct a suction force through the first lumen;
- and
- a blade assembly disposed in the second lumen of the catheter and movable relative to the distal end between a retracted position and an extended position.
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A method of removing tissue from a heart of a subject, the method comprising:
- inserting a catheter device through an aortic valve of the subject, wherein the catheter device comprises a body having a distal end, an outer sheath, a blade assembly, and a suction assembly, wherein the blade assembly and the suction assembly are disposed within the outer sheath during insertion;
- fixing the distal end of the catheter device to a tissue at a target site of the heart;
- exposing the blade assembly to the tissue;
- and
- applying a suction force at the distal end, via the suction assembly.
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A catheter-directed myectomy device, the device comprising:
- a catheter body having a distal end defining an opening and a proximal end opposite the distal end;
- a handle coupled to the proximal end of the catheter body;
- a suction assembly configured to direct a suction force at the opening of the catheter body;
- and
- a blade assembly comprising blade that is configured to extend through the opening.
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Dependencies are inferred from the claim text.