Catheter and introducer catheter having torque transfer...

Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...

Reexamination Certificate

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Reexamination Certificate

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07914515

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.

REFERENCES:
patent: 5501694 (1996-03-01), Ressemann et al.
patent: 5906605 (1999-05-01), Coxum
patent: 5971975 (1999-10-01), Mills et al.
patent: 6217565 (2001-04-01), Cohen
patent: 6582536 (2003-06-01), Shimada
patent: 7037290 (2006-05-01), Gardeski et al.
patent: 2002/0058910 (2002-05-01), Hermann et al.
patent: 2004/0236346 (2004-11-01), Parker
patent: 2007/0060944 (2007-03-01), Boldenow et al.
International Search Report, Written Opinion for International PCT Application No. PCT/US08/70287 filed Jul. 17, 2008, dated Nov. 10, 2008.

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