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Laser heated intravascular cautery cap assembly

  • US 4,848,339 A
  • Filed: 04/11/1988
  • Issued: 07/18/1989
  • Est. Priority Date: 09/17/1984
  • Status: Expired due to Fees
First Claim
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1. An improved intravascular cautery cap construction, including a closed curved outer sidewall extending symmetrically about an axis, an inner sidewall extending concentrically with said outer sidewall and coaxially therewith, a distal end wall joining like distal ends of said sidewalls to form an annular space therebetween, said inner sidewall having an open bore extending axially therethrough, cap connector means secured to like proximal ends of said sidewalls in sealing fashion to enclose said annular space, means for extending a plurality of optical fibers through said cap connector means into said annular space, said optical fibers including distal ends extending parallel to said axis and directed toward said distal end wall, an annular target disc disposed within said annular space and secured to said outer sidewall in axially spaced relationship to said distal end wall, said target disc disposed to be illuminated by said optical fibers and to be heated thereby.

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