A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
240/82
A61B 1/04 (2006.01) A61B 1/00 (2006.01) A61B 1/06 (2006.01)
Patent
CA 1274814
Abstract A laser endoscope includes a micro-thin optic cable assembly which may be inserted into a body cavity by micro-surgical or non-surgical procedures. A coherent jacketed fiber optical bundle is provided in the center of the assembly having a diameter of no more than 3.5 mm. with an optical lens system at the distal end for reflecting an image of a portion of the interior of the cavity. A pair of single optical fibers are spirally wound around the cable, each of which has a total diameter including a jacket of approximately 140 microns. One of these fibers carries a laser light beam to the cavity and the other is for redundancy. The proximate end of the optical cable assembly connects to a remote unit wherein a laser diode light source is provided to direct a beam of light into the end of one of the single optical fibers. A TV camera is also provided in the remote unit together with suitable optics for transmitting the image from the optical cable to a viewing screen on the remote unit.
502368
Barath James D.
Case Steven K.
Medical Dynamics Inc.
Proulx Eugene E.
LandOfFree
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