Catheter having a multiple durometer

Details Catheter having a multiple durometer Catheter having a multiple durometer

A - Human Necessities

61

M

A61M 25/01 (2006.01) A61M 25/16 (2006.01) A61B 1/12 (2006.01) A61B 1/313 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2150905

The catheter (20) has a housing (29) of such a size as to be readily held in the hand of the user, and a tubular proximal por- tion (41') connected to and extending from the housing. The proximal portion is formed of a flexible polymeric material. The dis- tal portion (43') is coaxial with and is adjacent to the proximal portion. The distal portion is also formed of a flexible polymeric material and it has substantially the same outer circumference as the proximal portion. The distal portion is more flexible than the medial portion (42'). A pair of control wires (51, 52) extend longitudinally through the proximal and distal portions and par- allel to the axis of the coaxial portions for bending the flexible portions in response to movement of the control wires. A control is carried by the housing for controlling the movement of the control wires to thereby bend the flexible portions and remotely ma- nipulate the catheter within a human body.

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