Patents by Inventor Twan Peer

Twan Peer 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 and method for measuring the amount of fluid contained in an implantable medical device
    Patent number: 6315769
    Abstract: An implantable pump apparatus and method of operating the implantable pump for infusing a fluid into a body are described. The implantable pump apparatus includes a support member. A pressure sensitive resistor member is disposed on a first side of the support member. A spring member includes a first end which is adjacent to the pressure sensitive resistor member. An expandable fluid reservoir member includes a first end which is adjacent to a second end of the spring member. The level of fluid within the expandable fluid reservoir member is determined by measuring a force applied to the pressure sensitive resistor member.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: November 13, 2001
    Assignee: Medtronic, Inc.
    Inventors: Twan Peer, Arnoldus Bakels