Method of treating veins

Details Method of treating veins Method of treating veins

1994-09-23

1996-06-04

Pellegrino, Stephen C.

Surgery

Instruments

Light application

606 9, 606 11, 607 89, A61B 1736

Patent

active

055228135

ABSTRACT:
A method of treating vascular lesions is disclosed which includes using a focused beam from a high energy, carbon dioxide laser to irradiate a spot on the surface of the skin over the vessel to be treated. The carbon dioxide output wavelength is highly absorbed by the tissue. By using short, high energy pulses, a small volume of skin can be vaporized or ablated with each pulse with little thermal damage beyond the ablated region. Using multiple pulses, a small channel is drilled in the skin until the vessel is reached. The laser energy absorbed by the blood in the vessel will cause it to coagulate and collapse. This procedure is then repeated at multiple sites along the length of the vessel so that it will collapse and no longer carry any blood.

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