Apparatus for selective destruction of cells by implosion of gas bubbles
Patent 5219401 Issued on June 15, 1993. Estimated Expiration Date: 
June 15, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 15, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2559227 Method of determining pressure within liquid containing vessel Flow rate measurement Variable frequency gas-bubble-manipulating apparatus and method Method and apparatus for the measurement and medical treatment using an ultrasonic wave Patent #: 5040537 InventorsAssigneeApplicationNo. 481896 filed on 02/20/1990US Classes:600/439, With therapeutic device601/4Contact-free comminution of concretionExaminersPrimary: Smith, Ruth S.Assistant: Pfaffle, Krista M. Attorney, Agent or FirmForeign Patent References
International ClassesA61M 031/00A61B 017/00 Foreign Application Priority Data1989-02-21 FRAbstractThe invention relates to an apparatus for selective destruction of cells including soft tissues and bones inside a living subject's body.This apparatus is characterized in that it comproses:means for generating gas bubbles in situ within the cells to be selectively destroyed, andimplosion means capable of provoking the implosion in situ of the gas bubbles, thereby destroying the cells to be destroyed which are adjacent the imploded gas bubbles.The invention makes it possible to destroy cells inside a living subject's body by a non-invasive and extracorporeal and also extremely simple and efficient way, further permitting the treatment of metastases.Other References
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