×

Miniature implantable illuminator for photodynamic therapy

  • US 6,622,049 B2
  • Filed: 02/06/2002
  • Issued: 09/16/2003
  • Est. Priority Date: 10/16/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A miniature light source for providing light to an internal treatment site to effect a photodynamic therapy at said site, comprising:

  • (a) a source of light that produces light of a desired wavelength, several discrete wavelengths or waveband when energized by an electrical current;

    (b) an energy storage device operably coupled via an electrical circuit to said source of light;

    (c) a switch operably coupled to said electrical circuit and said energy storage device; and

    (d) an acoustic transducer coupled to said switch, said acoustic transducer being activatable upon acoustic excitation by an external acoustic energy source for closing the switch to allow current flow from said energy storage device to said source of light.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×