Surgery – Means for introducing or removing material from body for... – With means for cutting – scarifying – or vibrating tissue
Patent
1987-10-21
1989-08-15
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
With means for cutting, scarifying, or vibrating tissue
128305, A61F 1720, A61F 1732
Patent
active
048570460
ABSTRACT:
A flexible drive catheter for removing deposits from the inner walls of a blood vessel to increase blood flow through the vessel. The catheter includes an outer sheath and a rotatable core coupled to a distal tip which directly contacts the deposits. An outer surface of the rotatable core defines a screw pump for moving dislodged deposits away from the blood vessel through the catheter sheath to a bifurcating adapter located outside the patient. One opening in the adapter accommodates the rotatable core and a second opening provides a method of monitoring blood pressure in the blood vessel, removing dislodged deposits from the catheter and injecting flushing liquids or clotting control agents into the blood vessel.
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Pedalty, Augioplasty Catheters: Opening New Paths, Medtronic Pulse, vol. 5, No. 2, 1987-p. 8, pp. 11-12.
Braun Robert R.
Stevens Robert C.
Cordis Corporation
Daley Kathleen A.
Rosenbaum C. Fred
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