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Charles Sperry
Charles R Sperry, Paul J Bladyka: Syringe and syringe actuator. St Onge Steward Johnston & Reens, April 5, 1988: US04735619 (27 worldwide citation)

An elongate flexible syringe for the injection of fluids is formed with an elongate flexible tube and an elongate flexible rod sized to move through the bore of the tube to control the discharge of liquid in the tube. A cartridge is provided to store the flexible rod in a coiled form. The flexible r ...


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A syringe and syringe actuator. March 29, 1984: WO/1984/001109

An elongate flexible syringe for the injection of fluids is formed with an elongate flexible tube (24) and an elongate flexible rod (32) sized to move through the bore of the tube to control the discharge of liquid in the tube. A cartridge (22) is provided to store the flexible rod in a coiled form. ...


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