Surgery – Respiratory method or device – Ozone or ion generation
Patent
1980-12-22
1982-04-27
Rosenbaum, C. Fred
Surgery
Respiratory method or device
Ozone or ion generation
A61M 500
Patent
active
043265200
ABSTRACT:
A catheter feeder is comprised of two parts that are secured together about a catheter as the catheter is being inserted into a vessel, such as a vein or artery in a cardiovascular system. The catheter feeder is provided with a finger-operated brake. The catheter feeder encircles a portion of the length of the catheter and has a protrusion adapted to be received by the open proximal end of an introducer cannula. Concentrically disposed about the catheter is a ferrule which has a distal portion also received within the catheter feeder. A sterile sleeve or sheath encloses the catheter and ferrule and has a collar engaging with the catheter feeder to hold the two parts thereof assembled. The brake engages the ferrule to compress one end thereof into a locking position about the catheter. When the brake is disengaged, the catheter can be manipulated through the catheter feeder and when the brake is engaged; the sterile sleeve or sheath is combed back relative to the catheter. When the catheter has been threaded to the selected location, the protrusion is removed from the introducer cannula and the collar on the sterile sheath is removed from the catheter feeder whereupon the two parts of the catheter feeder are separated and dropped from the catheter. The ferrule is then wedged into the introducer cannula for retaining the catheter at the selected location.
REFERENCES:
patent: 3515137 (1970-06-01), Santomieri
patent: 3561445 (1971-02-01), Katerndahl et al.
patent: 3610240 (1971-10-01), Harautuneian
patent: 3633579 (1972-01-01), Alley et al.
patent: 3682173 (1972-08-01), Center
patent: 3825001 (1974-07-01), Bennet et al.
patent: 3835854 (1974-09-01), Jewett
patent: 3861395 (1975-01-01), Taniguchi
patent: 4006744 (1977-02-01), Steer
patent: 4037600 (1977-07-01), Poncy et al.
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