Endoscope for laser lithotripsy

Details Endoscope for laser lithotripsy Endoscope for laser lithotripsy

1990-04-02

1992-03-17

Pellegrino, Stephen C.

Surgery

Truss

Perineal

606 16, 606127, A61B 1736

Patent

active

050958895

ABSTRACT:
In an endoscope designed for laser lithotripsy use is made of a laser lithotripsy unit having a guide tube insertable in the barrel of the endoscope, which guide tube encloses a laser light guide which carries at its distal end a fused-on head to concentrate the beam. The laser light guide is guided in the guide tube so as to be axially displaceable and immobilizable, thus making it possible for the distance between the head and the concretion intended for destruction to be adjusted to obtain optimum energy transmission, the relevant conditions being maintained during the operation by virtue of the fact that the distal end of the guide tube for the lithotripsy unit is held in contact with the concretion.

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patent: 4807595 (1989-02-01), Hiltebrandt
patent: 4819630 (1989-04-01), DeHart
patent: 4881524 (1989-11-01), Boebel et al.

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