Catheter and introducer catheter having torque transfer layer and method of manufacture
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United States of America Patent
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Nov 15, 2016
Grant Date -
Apr 28, 2016
app pub date -
Jan 6, 2016
filing date -
Jul 18, 2007
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Abstract
The instant invention relates generally to catheters and to introducer catheters used to help deliver catheters or other medical devices to locations within the human body. In particular, the instant invention relates to large diameter catheters and introducer catheters having a torque transfer layer that includes at least two flat wires braided into a wire mesh. The flat wires have a width of at least about 0.007 inches and a depth of at least about 0.003 inches. The lumen diameter of the catheter is at least about 6 French. The torque transfer layer provides increased strength, flexibility, and kink resistance.
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