Intravascular catheter with a nontraumatic distal tip

Details Intravascular catheter with a nontraumatic distal tip Intravascular catheter with a nontraumatic distal tip

A - Human Necessities

61

M

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

Patent

CA 2070452

An intravascular catheter such as a guiding catheter of composite construction having a nontraumatic distal tip comprising a proximal elastomeric tubular element and a distal elastomeric tubular element formed of softer material that the proximal section. The proximal tubular section of the distal tip preferably has a radiopaque material incorporated therein to enable the distal tip to be fluoroscopically observable when in place within a patient. The shaft of the catheter, which exhibits excellent torquability and pushability, is formed with a very thin wall. The catheter shaft includes an inner tubular member of braided polymeric fibrous strands impregnated with a thermoset polyurethane and having an outer jacket or coating of thermoplastic polyurethane secured to the braided tubular member. In some embodiments it is preferred to include a lubricous liner within the braided tubular member.

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