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Catheter for in vivo imaging

  • US 9,622,706 B2
  • Filed: 07/14/2008
  • Issued: 04/18/2017
  • Est. Priority Date: 07/12/2007
  • Status: Active Grant
First Claim
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1. A catheter for in vivo imaging comprising:

  • a catheter sheath body defining a central lumen and a distal tip, the central lumen terminating at the distal tip and the distal tip having a guidewire lumen formed therein, the guidewire lumen being separate from the central lumen and having a guidewire entrance port and a guidewire exit port, the guidewire entrance port and the guidewire exit port each being positioned distal to the termination of the central lumen; and

    an optical train positioned within the central lumen, the optical train comprising a rotary drive shaft configured to rotate a distal end imaging assembly about a longitudinal axis, the rotary drive shaft comprising a proximal hypotube shaft having a distal end overlapping a proximal end of a distal single-layer stranded hollow core shaft, wherein the stranded hollow core shaft comprises helically wound metal wires fixedly engaged with neighboring metal wires on their respective outer surfaces.

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