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CATHETER DEVICE

  • US 20090093796A1
  • Filed: 09/15/2008
  • Published: 04/09/2009
  • Est. Priority Date: 10/08/2007
  • Status: Active Grant
First Claim
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1. A catheter device comprising:

  • a drive shaft connected to a motor;

    a rotor mounted on the drive shaft at the distal end section, wherein the rotor has at least one frame structure which is formed by a screw-like boundary frame and rotor struts extending radially inwards from the boundary frame, wherein the rotor struts are fastened to the drive shaft by their ends opposite the boundary frame, wherein an elastic covering extends between the boundary frame and the drive shaft, and wherein the frame structure is made of an elastic material such that, after forced compression, the rotor unfolds automatically.

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