The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 10, 1996
Filed:
Sep. 28, 1995
Terry M Haber, El Toro, CA (US);
William H Smedley, Lake Elsinore, CA (US);
Clark B Foster, Laguna Niguel, CA (US);
Habley Medical Technology Corporation, Lake Forest, CA (US);
Abstract
Disclosed is an aspirating syringe having a hollow barrel and a piston assembly that is adapted to move reciprocally through the barrel, whereby the barrel is first infused with a fluid medication from a standard pharmaceutical vial during an infusion step so that the medication can then be expulsed to a target tissue site during an injection step. A pair of elongated plunger guides extend axially and proximally from the barrel in parallel alignment with each other. Each of the plunger guides has a longitudinal track groove to receive a respective guide tab carried by and movable with the piston assembly. The guide tabs ride through the track grooves of the plunger guides to stabilize the reciprocal movement of the piston assembly and thereby permit the barrel to be infused with a precise volume of fluid medication. The piston assembly includes a finger grip by which the syringe may be advantageously and accurately manipulated by a health care worker using only a single hand to complete both the aspiration and injection steps.