Patents Assigned to Washington Biotech Corp.
  • Medicine injection syringe constructions
    Patent number: 5833669
    Abstract: Converters for use with commercially available syringe cartridges to produce novel syringe assemblies. The converters engage with the plunger end of the syringe cartridge. The converter has a body piece with a receptacle. The ampule of a syringe cartridge is inserted into and secured within the receptacle. A plunger shaft allows manual displacement of the plunger. In some embodiments, dose regulating features are preferably included as part of the converter assembly. In one form the dose regulating features include removable collars.
    Type: Grant
    Filed: June 16, 1995
    Date of Patent: November 10, 1998
    Assignee: Washington Biotech Corp.
    Inventor: Ronald E. Wyrick
  • Reloadable automatic or manual emergency injection system
    Patent number: 5665071
    Abstract: A reloadable automatic or manually usable medicine injection apparatus having a barrel which receives a syringe subassembly. The syringe subassembiy includes an ampule for housing fluid medication, a needle, a plunger stopper, and plunger shaft which allow removal and manual use. The injection apparatus includes a driver for forcing the syringe subassembly to inject the needle and displace fluid medication. The injection apparatus preferably includes a trigger handle, sheath remover, and removable stop system for delivery of multiple doses.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: September 9, 1997
    Assignee: Washington Biotech Corp.
    Inventor: Ronald E. Wyrick