Laser endoscope

Details Laser endoscope Laser endoscope

1986-03-05

1988-06-28

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

128 6, 350 9622, 350 9626, 358901, A61B 104, A61B 106, G02B 626, H04N 718

Patent

active

047543280

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.

REFERENCES:
patent: 3858577 (1975-01-01), Bass
patent: 4011403 (1977-03-01), Epstein
patent: 4313431 (1982-02-01), Frank
patent: 4325606 (1982-04-01), Ikuno
patent: 4475539 (1984-10-01), Konomura
patent: 4539586 (1985-09-01), Danna
patent: 4590923 (1986-05-01), Watanabe

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