Patents by Inventor Rita D. Vacca

Rita D. Vacca has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus used in producing prefilled sterile delivery devices
    Patent number: 5531255
    Abstract: A process and apparatus used in manufacturing prefilled, sterile delivery devices such as syringe assemblies. The process includes sealing a syringe container portion at both ends and filling the same through a port provided in the container portion between the two ends. After filling, the port is closed and sealed and the syringe assembly is sterilized to provide a sterile delivery device with sterile contents. A suitable syringe container portion for producing prefilled, sterile delivery devices is also disclosed.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: July 2, 1996
    Assignee: Mallinckrodt Medical, Inc.
    Inventor: Rita D. Vacca
  • Delivery apparatus with mechanism preventing rearward movement of a piston disposed therein
    Patent number: 5380295
    Abstract: A delivery apparatus in the form of a syringe assembly with a piston and including a mechanism for preventing withdrawal of the piston. The syringe is preferably prefilled and sterilized to provide a sterile syringe assembly with sterile contents. By preventing withdrawal of the piston, contact of the sterile contents with the exposed portion of the syringe barrel behind the piston and the consequent risk of contamination arising therefrom are avoided.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: January 10, 1995
    Assignee: Mallinckrodt Medical, Inc.
    Inventor: Rita D. Vacca
  • Process and apparatus used in producing prefilled, sterile delivery devices
    Patent number: 5373684
    Abstract: A process and apparatus used in manufacturing prefilled, sterile delivery devices such as syringe assemblies. The process includes sealing a syringe container portion at both ends and filling the same through a port provided in the container portion between the two ends. After filling, the port is closed and sealed and the syringe assembly is sterilized to provide a sterile delivery device with sterile contents. A suitable syringe container portion for producing prefilled, sterile delivery devices is also disclosed.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: December 20, 1994
    Assignee: Mallinckrodt Medical, Inc.
    Inventor: Rita D. Vacca