Surgery – Means for introducing or removing material from body for... – Material introduced into and removed from body through...
Patent
1985-07-29
1987-03-17
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Material introduced into and removed from body through...
128 24A, 128 51, 128 67, A61M 100
Patent
active
046504621
ABSTRACT:
An irrigation system for use in arthroscopic surgery including a variable RPM pump for introducing irrigation fluid from a fluid supply to a body irrigation site, a pressure control valve in the outflow from the irrigation site, a pressure sensor and associated controller for sensing pressure at the site and adjusting the pressure control valve for maintenance of the pressure within predetermined parameters, an override controller responsive to an inability to maintain pressure within the set parameters and responsive thereto to vary the flow rate of the pump, and associated display and signal components. The flow rate and pressure are individually and independently controllable.
REFERENCES:
patent: 3930505 (1976-01-01), Wallach
patent: 4117843 (1978-10-01), Banko
patent: 4180074 (1979-12-01), Murry et al.
patent: 4203444 (1980-05-01), Bonnell et al.
patent: 4261360 (1981-04-01), Perez
patent: 4395258 (1983-07-01), Wang et al.
Arthro-Automat 5002, Technical Disclosure, Manufactured by F. M. Wiest KG.
O'Connor's Textbook of Arthroscopic Surgery, pp. 169-178, Acute Knee Arthroscopy.
DeSatnick Allen H.
Marcus Herbert D.
Hoke II Robert W.
Kartchner Gene B.
Minnesota Mining and Manufacturing Company
Rosenbaum C. Fred
Sell Donald M.
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