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Optical fiber with atraumatic rounded end for use in laser angioplasty

  • US 5,133,709 A
  • Filed: 02/23/1990
  • Issued: 07/28/1992
  • Est. Priority Date: 02/23/1990
  • Status: Expired due to Fees
First Claim
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1. An apparatus for delivering intense light radiation to a limited area of a body, for application to living or diseased tissue by substantially direct contact with the apparatus therewith, said apparatus comprising:

  • a fiber optic means for carrying radiation from a source to the target tissue, said fiber optic means having a fiber optic core with an integrated taper portion having a divergence angle within five degrees of or any amount greater than the inverse sine of the numerical aperture divided by the fiber core index of refraction, said taper portion having a narrow proximal end and a wider distal end with the distal end terminating in an integral atraumatic ball shaped end portion.

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