1
Andrew I Sealfon: Negator spring-powered syringe. November 16, 1993: US05261882 (100 worldwide citation)

A negator spring-powered I.V. pump of compact size resulting from imparting a non-circular, rather than a linear configuration to the negator spring; the non-circular configuration taking up less size or linear dimension which, added to the linear dimension of the syringe of the pump, results in an ...


2
Andrew I Sealfon: Fixed volume infusion device. May 1, 1990: US04921480 (31 worldwide citation)

In a gravity feed intravenous fluid delivery system, a fixed volume metering valve having an upwardly spring biased fluid-measuring piston that is also downwardly pressure biased and is effective to cause the dispensing of a fixed volume of intravenous fluid for each up and down cycle of piston move ...


3
Andrew I Sealfon: Fluid metering device. Bauer & Amer, November 7, 1978: US04124146 (28 worldwide citation)

An alcoholic beverage, or other fluid, dispenser which uses to advantage the electrical pulsing of an electric pump which, for each pulse, dispenses a discrete fluid volume, to thereby provide as a selected volume of dispensed fluid the sum of said discrete volumes. Among other advantages, variation ...


4
Andrew I Sealfon: Hypodermic syringe. Myron Amer, October 6, 1987: US04698055 (22 worldwide citation)

A syringe in which a first medicament is stored in an elongated barrel, adjacent its distal end, while a second medicament is stored in an exterior compartment between the distal and proximal ends in communication with the barrel. A plunger having a piston head with spaced apart sealing rings is loc ...


5
Andrew I Sealfon: Combination IV pump and disposable syringe. August 9, 1994: US05336189 (20 worldwide citation)

A facilitated procedure for attaching single-use syringes, one at a time, to an intravenous (IV) pump in which each syringe is mounted in the path of the IV pump plunger by clips and within a clear plastic syringe-holding sleeve that overlies the volumetric graduations of the syringe to permit visua ...


6
Andrew I Sealfon: Implantable medical prosthesis for obviating male impotency. Repro Med Systems, Bauer & Amer, August 12, 1986: US04604994 (18 worldwide citation)

A manually compressible reservoir, such as a rubber bulb is provided in which a liquid medication is maintained and from which an outlet conduit extends to a selected body part. The prosthesis includes a piston for storing separately from the reservoir a predetermined dose of medication and which pi ...


7
Andrew I Sealfon: Method of sterile preparation of IV pump syringe. Myron Amer PC, April 21, 1998: US05741227 (17 worldwide citation)

In the method of replacing a filled syringe for an emptied syringe in the same syringe pump, the use of a snap-on disc strategically located on the tubing set of the filled syringe which so facilitates the handling of the tubing set and the syringe pump that contamination during the interconnection ...


8
Andrew I Sealfon, Paul Rosenbaum: Valve for carbonator. Bauer Amer & King, July 6, 1976: US03967635 (16 worldwide citation)

A valve for a carbonator having an internal check valve movable between two operable positions depending upon whether the carbon dioxide or the pressure water has the greater pressure, (these being the ingredients of the carbonated fluid being sought). When the carbon dioxide positions the check val ...


9
Andrew I Sealfon: Portable aspirating device with anti-splash baffle. Myron Amer P C, June 10, 2003: US06575946 (9 worldwide citation)

A portable aspiration device using suction to clear a breathing obstacle or the like in conjunction with a commercially available flow-control member providing opposing operating mode objectives of progressively diminishing porosity in response to fluid contact and progressively increasing the volum ...


10
Andrew I Sealfon: Prenatal specimen collection method. March 19, 1991: US05000192 (7 worldwide citation)

A method for using a syringe to remove an amniotic fluid specimen from a pregnant patient preparatory to the laboratory analysis is set forth. The method includes the steps of inserting an end of a syringe into the amniotic fluid source, withdrawing the fluid into the syringe, and filtering the flui ...



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