A method and apparatus for destroying a stone or other hard body located within the body of a living being at a location where the stone is within a liquid. The apparatus comprises a catheter having a rotatable working head at its distal end. The working head comprises at least two radially extending...http://www.google.es/patents/US5002549?utm_source=gb-gplus-sharePatente US5002549 - Stone pulverizing apparatus with improved working head and method of use
Stone pulverizing apparatus with improved working head and method of use
