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Device for treating growing, dilated or malformed blood vessels and method for treating biological material

  • US 6,491,715 B1
  • Filed: 03/21/2000
  • Issued: 12/10/2002
  • Est. Priority Date: 11/17/1999
  • Status: Expired due to Fees
First Claim
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1. A device for treating growing, dilated or malformed blood vessels with a laser emitting a laser beam in a wavelength range from 750 mn to 850 nm and a specific power, the device comprising a measuring unit measuring the concentration of an exogenous chromophore, introduced into the blood stream, which absorbs the laser beam in the blood vessel to be treated, and a control unit controlling the power of the laser beam in a contrary sense to the measured concentration.

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