Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1986-12-24
1988-07-19
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604100, 604191, 128344, A61M 2900
Patent
active
047582235
ABSTRACT:
A hand-operated device for inflating the expander on a balloon-type catheter and for perfusing fluids through the catheter and out its distal end. The inflator device comprises a housing containing a relatively large diameter and volume syringe and a relatively small diameter and volume syringe and a three-way valve for selectively controlling the fluid flow from the large syringe into the small syringe, from the large syringe into the lumen of the catheter or from the small syringe into the lumen of the catheter. By incorporating the two syringes in the same housing, a large volume of fluid, such as a radiopaque contrast medium, can be injected through the catheter and out its distal end while the small diameter and volume syringe can be used to pressurize the expander with considerably less effort than if the large diameter syringe had been used.
REFERENCES:
patent: 3467096 (1969-09-01), Horn
patent: 3985122 (1976-10-01), Topham
patent: 4439185 (1984-03-01), Lundquist
patent: 4446867 (1984-05-01), Leveen et al.
patent: 4476866 (1984-10-01), Chin
patent: 4560378 (1985-12-01), Weiland
patent: 4609371 (1986-09-01), Pizzino
patent: 4610666 (1986-09-01), Pizzino
Haugen Orrin M.
Lewis Ralph
Niebuhr Frederick W.
Nikolai Thomas J.
Pellegrino Stephen C.
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