Catheter device
AssigneeAis GmbH Aachen Innovative Solutions
InventorsJoachim Georg Pfeffer, Thomas Schmitz-Rode, Rolf W. Günther
Life of this patent
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Abstract
The catheter device comprises a drive shaft connected to a motor, and a rotor mounted on the drive shaft at the distal end section. The rotor has a frame structure which is formed by a screw-like boundary frame and rotor struts extending radially inwards from the boundary frame. The rotor struts are fastened to the drive shaft by their ends opposite the boundary frame. Between the boundary frame and the drive shaft extends an elastic covering. The frame structure is made of an elastic material such that, after forced compression, the rotor unfolds automatically.
Claims23
A catheter device comprising
- a drive shaft connected to a motor, wherein the drive shaft has a proximal and distal end;
- a rotor mounted on the drive shaft at the distal end section, wherein the rotor has at least one frame structure, wherein the frame structure is a rotor blade, wherein the rotor blade is formed by a screw-like boundary frame and at least three 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 rotor blade is made of an elastic material such that, after forced compression, the rotor unfolds automatically.
Dependencies are inferred from the claim text.