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US 7,458,379 B2Granted
Method and system for cryoablating tumors
AssigneeSanarus Medical, Inc.
InventorsPeter J. Littrup, Seth A. Stabinsky, Kevin Van Bladel, Lisa Zindel, Glenn Foy
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Abstract
A cryosurgical system adapted for treatment of fibroadenomas within the breast of a patient. The system includes cryoprobes and a control system which operates the cryoprobes to accomplish freezing in two stages, including a high power freeze and a low power freeze.
Claims8
A method of treating a mass in a body, the method comprising the steps of:
- inserting into a mass a cryoprobe adapted to provide cooling at a first power level to a first cryogenic temperature and at a second power level to a second cryogenic temperature that is higher than the first cryogenic temperature;
- freezing at least a portion of the mass by operating the cryoprobe at the first power level for a first period and subsequently at the second power level for a second period;
- and
- operating the cryoprobe to allow passive thawing of the portion of the mass for a time generally equal to the sum of the first period and the second period.
1 more element
Dependencies are inferred from the claim text.