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Optical fibre and laser for removal of arterial or vascular obstructions

  • US 5,733,277 A
  • Filed: 04/17/1995
  • Issued: 03/31/1998
  • Est. Priority Date: 06/22/1994
  • Status: Expired due to Term
First Claim
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1. An optical fiber and laser apparatus for removal of arterial and vascular obstructions, said apparatus comprising:

  • (a) a laser light source capable of generating a laser light for the ablation of an arterial or vascular obstruction;

    (b) a rotatable optical fiber exiting from said laser light source;

    (c) means for rotating said optical fiber;

    (d) means for longitudinally stepping said optical fiber, said means for longitudinally stepping including a longitudinal stepper motor; and

    (e) a catheter for receiving said optical fiber, said catheter having a protective shield, wherein said optical fiber directs said laser light from said laser light source to an arterial or vascular obstruction while rotating or longitudinally stepping or simultaneously rotating and longitudinally stepping said optical fiber.

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