US Patent 6,197,003
United States Patent and Trademark Office
University of Iowa Research Foundation (Iowa City, IA, US)
Catheter advancing assembly having a stylet including a shaft, and a catheter advancing piece including a rod having a bore therethrough. The bore of the rod accommodates a portion of the shaft of the stylet. A holding unit affixed to the proximal end of the shaft, to be used in conjunction with a grasping unit affixed to the rod, allows for the holding and manipulation of the catheter advancing assembly with only one hand. A method for making a catheter advancing assembly of the invention is disclosed, as well as a method for advancing a ventricular catheter within a ventricular catheter in a "soft" manner using only one hand.
Howard III, Matthew A.; Garrell, Charles; Hitchon, Patrick; and Loftus, Christopher Catheter advancing single-handed soft passer. US Patent 6,197,003 filed August 15, 1997 and issued March 06, 2001. https://ir.uiowa.edu/patents/261