Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1989-11-13
1991-05-14
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
137102, A61M 100
Patent
active
050152360
ABSTRACT:
An intermittent patient suction system, a self-contained control device therefor and methods of making the same are provided, the self-contained control device having a housing that contains two restrictor units therein for respectively controlling the "on" time and "off" time that the control device applies a vacuum and does not apply a vacuum through the output of the control device to the patient.
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patent: 3659605 (1972-05-01), Sielaff
patent: 4213457 (1980-07-01), Lewis
patent: 4462418 (1984-07-01), Xander
patent: 4465090 (1984-08-01), Morgan et al.
patent: 4735606 (1988-04-01), Davison
Maglione Corrine
Robertshaw Controls Company
Rosenbaum C. Fred
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