Surgery – Instruments – Light application
Patent
1995-07-12
1998-01-20
Peffley, Michael
Surgery
Instruments
Light application
606 13, 606 19, 606 10, 128898, 608108, A61B 100
Patent
active
057096775
ABSTRACT:
An apparatus and method for performing a myringotomy in a child's ear without the need for anaesthesia. A charge coupled device or television camera is aimed within a micromanipulator housing at a child's ear drum. The housing is retained to the ear, either with a fastener such as an adhesive or in a helmet, so that the housing moves with the movement of the child's head. A video image of the ear drum surface is displayed on a screen from signals transmitted from the camera device. A physician marks on the screen with an electronic pen pointer where the laser beam should be aimed at the ear drum surface. A microprocessor responds to this marking to determine the appropriate coordinates and instructs mirror control motors to rotate a scanning mirror in the path of the laser beam. The laser may be fired and its beam is directed by the scanning mirror to strike a desired location by passing through the housing attached to the child's ear without being affected by any sudden movement of the child's head.
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Peffley Michael
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