Dilator

Details Dilator Dilator

A - Human Necessities

61

M

A61M 29/00 (2006.01) A61M 25/01 (2006.01) A61M 25/06 (2006.01)

Patent

CA 2048513

ABSTRACT A dilator is provided for use with a guide wire to create a subcutaneous tunnel into a vein for subsequent insertion of a catheter over the wire and into the vein. The dilator has an elongate main body with a first cross-section extending about a longitudinal axis and a tip portion extending from the main body longitudinally and terminating at a distal end of the dilator. The main body extends from the tip portion to a proximal end of the dilator, and the tip portion has a leading taper enlarging from the distal end towards a second cross-section smaller than the first cross-section. A tailing taper extends smoothly from the main body and converges from the first cross-section to the second cross-section, and an opening extends between the proximal and distal ends of the dilator for receiving the guide wire. A method creating a subcutaneous tunnel is also provided.

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