Suction catheter

Details Suction catheter Suction catheter

2007-07-17

2007-07-17

Thanh, Loan H. (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

Reexamination Certificate

active

10520236

ABSTRACT:
Provided is an aspiration catheter which does not require a large-scale device, has a largest possible aspiration lumen, and is sufficiently flexible to track tortuous blood vessels following a guidewire, thereby being easily advanced to a target site to be treated.In the aspiration catheter, the tip of the main shaft is obliquely cut, the distal end of the guidewire shaft is positioned at the distal end of the main shaft or protrudes from the distal end of the main shaft in the distal direction, and the relationships 0.5≦L2/L1and L2−L1≦5 mm are satisfied, wherein L1is the length of the obliquely cut portion of the main shaft in the longitudinal direction of the catheter, and L2is the length from the proximal end of the guidewire shaft to the distal end of the main shaft.

REFERENCES:
patent: 5308342 (1994-05-01), Sepetka et al.
patent: 5443457 (1995-08-01), Ginn et al.
patent: 5667521 (1997-09-01), Keown
patent: 5695507 (1997-12-01), Auth et al.
patent: 5833644 (1998-11-01), Zadno-Azizi et al.
patent: 5895405 (1999-04-01), Inderbitzen
patent: 1 201 260 (2002-05-01), None
patent: 11-009683 (1999-01-01), None
patent: WO 01/068177 (2001-09-01), None

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