Surgery – Means for introducing or removing material from body for... – Gas application
Patent
1989-07-06
1991-05-28
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Gas application
604121, 604143, 604147, 604294, 606107, A61M 3700
Patent
active
050190377
ABSTRACT:
A pneumatic retinopexy injector includes a syringe to which is communicated a controllable gaseous pressure source. A desired volume of a gaseous substance can be injected by the syringe by utilizing a controller to introduce the pressurized gas to the syringe to cause the piston of the syringe to eject any contents of the syringe. The manual controller can comprise a foot pedal having a variable flow pneumatic valve. The invention can also utilize a vacuum source which is switchable to the syringe to allow automatic filling of the syringe.
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Sundblom Leif J.
Wang Carl C. T.
Alcon Laboratories Inc.
Maglione Corrine
Rosenbaum C. Fred
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