Catheter

Details Catheter Catheter

2005-09-13

2005-09-13

Schwartz, Larry I. (Department: 3761)

Surgery

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

Treating material introduced into or removed from body...

Reexamination Certificate

active

06942641

ABSTRACT:
The catheter includes an outer tube with an inlet end portion and a stop formed on the inlet end portion. The stop, which normally assumes a collapsed orientation, is moveable between a collapsed orientation and a deployed orientation. The catheter may include at least one of a diagnostic port disposed on the outer tube proximate the bottom of the stop, a locking device proximate the bottom of the catheter for securing the stop in the deployed orientation, and an actuator for operatively moving the stop between collapsed and deployed orientations. Applying force to the actuator moves the stop from the collapsed orientation to the deployed orientation. The actuator may also include a fail-safe mechanism designed to fail when a predetermined amount of force is applied to the actuator.

REFERENCES:
patent: 3108595 (1963-10-01), Overment
patent: 3397699 (1968-08-01), Kohl
patent: 3490457 (1970-01-01), Petersen
patent: 4222384 (1980-09-01), Birtwell
patent: 4627838 (1986-12-01), Cross et al.
patent: 4995868 (1991-02-01), Brazier
patent: 5232440 (1993-08-01), Wilk
patent: 5344439 (1994-09-01), Otten
patent: 5645528 (1997-07-01), Thome
patent: 6283940 (2001-09-01), Mulholland
patent: 6527737 (2003-03-01), Kaneshige
patent: 6558350 (2003-05-01), Hart et al.
patent: 2001/0056273 (2001-12-01), Ewers

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