Surgery – Endoscope – With tool carried on endoscope or auxillary channel therefore
Patent
1995-10-23
1998-10-20
Peffley, Michael
Surgery
Endoscope
With tool carried on endoscope or auxillary channel therefore
606 17, 606 18, A61B 1736
Patent
active
058239413
ABSTRACT:
An apparatus for removing brain tumors by vaporizing the tumor tissue with a laser beam in select scan planes of the tumor. A cored hole through the tumor is made by the laser beam, and an endoscope is inserted through the cored hole, which has a mirror mounted at a 45 degree angle near the end of it and mounted within it, that is capable of reflecting the laser beam at a 90 degree angle. The endoscope is inserted all the way through the cored hole, and sucessive scans of the brain tumor are taken perpendicular to the endoscope. The endoscope is then moved axially to position the 45 degree mirror at each scan plane, and the reflected laser beam is then rotated and also oscillated between calculated angles to vaporize the tumor tissue in each scan plane, until the entire brain tumor is vaporized by the laser beam. During this procedure the gas being produced by vaporization of the tumor tissue is suctioned out through the interior of the endoscope.
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