Apparatus for effecting anastomosis of tubular tissue by laser w

Details Apparatus for effecting anastomosis of tubular tissue by laser w Apparatus for effecting anastomosis of tubular tissue by laser w

1985-06-26

1987-01-06

Pinkham, Richard C.

Surgery

Truss

Pad

128334R, 219121LC, 219121LU, A61B 1736, A61B 1704, B23K 900

Patent

active

046338705

ABSTRACT:
Two semi-cylindrical jaws, are releasably attachable around the abutting ends of a pair of tubular tissues that are held together by a tubular stent. A shuttle, which revolves in the jaws 360.degree. around the outside of the junction of the tissues, is connected to a tubular conduit, that extends slidably through a handle on one of the jaws to the exterior of the instrument. The conduit contains at least three fiberoptic cords, the inner ends of which are connected to the shuttle for movement therewith, and to register with a mirror which, is also mounted on the shuttle. The outer ends of the cords are connected, respectively, to a light source for illuminating the seam which is to be welded, to a source of laser energy for directing a laser beam onto the seam, and to a lens which is utilized for observing the site where the welding is to take place. A cable, which extends slidably through the conduit, is connected in one embodiment to the mirror to reciprocate it relative to the shuttle for adjustment of the laser beam accurately onto the seam, in a second embodiment to the mirror to pivot it about an axis transverse to the tissue axes, and in a third embodiment to the inner ends of the cords to shift them relative to the mirror.

REFERENCES:
patent: 4001543 (1977-01-01), Bove et al.
patent: 4080525 (1978-03-01), Gobetz
patent: 4143660 (1979-03-01), Malyahev
The Lancet, Oct. 6, 1986, K. K. Jain, Sutureless Extra-Intracranial Anastomois by Laser.
Barry Gross, "Laser Device Aids Vessel Surgery", Washington Post, Aug. 6, 1984, p. 21.

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