Catheter needle having surface indication thereon and...

Details Catheter needle having surface indication thereon and... Catheter needle having surface indication thereon and...

A - Human Necessities

61

M

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

Patent

CA 2131641

A process is described in which a laser is used to ablate the end of a polymer catheter placed over a needle or cannula. The laser ablation process also provides a surface indication at the transition between the polymer catheter arid the surface of the needle or catheter. The surface indication may be a polishing by the removal of oxidized material or by a transition of the material for example in an alloy including chromium bringing the chromium to the surface through the laser process.

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