Patents by Inventor Elisabeth M. Pollock

Elisabeth M. Pollock 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).

  • Method for inhibiting mineralization of natural tissue during implantation
    Patent number: 4405327
    Abstract: Natural tissues fixed with a tanning solution such as glutaraldehyde and intended for implantation in humans, e.g., porcine heart valve prosthetic devices, are treated with a solution of a water soluble quaternary ammonium salt such as dodecyltrimethylammonium chloride to inhibit mineralizaton, particularly calcification, of the tissue after implantation.
    Type: Grant
    Filed: August 25, 1982
    Date of Patent: September 20, 1983
    Assignee: Extracorporeal Medical Specialties, Inc.
    Inventor: Elisabeth M. Pollock
  • Method for inhibiting mineralization of natural tissue during implantation
    Patent number: 4402697
    Abstract: Natural tissues fixed with a tanning solution such as glutaraldehyde and intended for implantation in humans, e.g., porcine heart valve prosthetic devices, are treated with a solution of a water soluble phosphate ester such as sodium dodecyl hydrogen phosphate to inhibit mineralization, particularly calcification, of the tissue after implantation.
    Type: Grant
    Filed: August 25, 1982
    Date of Patent: September 6, 1983
    Assignee: Extracorporeal Medical Specialties, Inc.
    Inventors: Elisabeth M. Pollock, David J. Lentz
  • Method for inhibiting mineralization of natural tissue during implantation
    Patent number: 4323358
    Abstract: Natural tissues fixed with a tanning solution such as glutaraldehyde and intended for implantation in humans, e.g., porcine heart valve prosthetic devices, are treated with a solution of a water soluble salt of a sulfated higher aliphatic alcohol such as sodium dodecyl sulfate to inhibit mineralization, particularly calcification, of the tissue after implantation.
    Type: Grant
    Filed: April 30, 1981
    Date of Patent: April 6, 1982
    Assignee: Vascor, Inc.
    Inventors: David J. Lentz, Elisabeth M. Pollock