Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed
Patent
1986-12-31
1988-08-30
Croyle, Carlton R.
Pumps
Expansible chamber type
Elongated flexible chamber wall progressively deformed
417478, 604 4, 604153, 137493, A61M 500, F04B 4312
Patent
active
047672897
ABSTRACT:
A pump header for use in a peristaltic pump. The pump header includes a flexible outer tube, a collapsible-expandable inner tube, a pressure control valve member and a one-way-flow valve member. The inner tube is disposed within a passageway of the outer tube. The pressure control valve member and the one-way-flow valve member are responsive to positively-pressured liquid at an inlet to the inner tube and allow the liquid to enter a passageway of the inner tube from which the fluid can be pumped by the action of the peristaltic pump. The positively pressured liquid can only pass from the one-way-flow valve member.
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Advertisement: American Omni Medical, Inc., 2930-G Grace Lane, Costa Mesa, Calif., "Suction Control Valve (Nonadjustable)", Cat. No. RLV-2100.
Austin, Bates, et al., 37 Left Ventricular Assist Using a New Blood Pump Design", paper presented at St. Luke's Hospital, Phoenix, Ariz.
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Tamari, et al., "A New Pump Chamber for the Roller Pump Allows Control of Flow Output by Filling Pressure", vol. XXX, Trans. Am. Soc. Artif. Intern. Organs, 1984, pp. 561-566.
Howell James B.
Parrott Patti L.
Croyle Carlton R.
Hoke II Robert W.
Minnesota Mining and Manufacturing Company
Olds Theodore
Sell Donald M.
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