Patents by Inventor David Mathew Wessel

David Mathew Wessel 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).

  • VENTED REFILL ARRANGEMENT FOR IMPLANTABLE DRUG-DELIVERY DEVICES
    Publication number: 20190247572
    Abstract: Embodiments of the present invention provide a vent arrangement integrated with a refill port disposed on the outer shell of an implantable drug-delivery device. The vent arrangement may utilize a tiered structure with two septums in a space-efficient configuration that facilitates both venting of pressure and refill of the drug reservoir.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Inventors: William Andrew Brandt, Jilian Kavazov, David Mathew Wessel, Andrew Dunn
  • VENTED REFILL ARRANGEMENT AND ASSOCIATED TOOLS FOR IMPLANTABLE DRUG-DELIVERY DEVICES
    Publication number: 20160038672
    Abstract: Refill needles include a refill lumen for refilling a drug reservoir with a liquid and a venting channel for venting the device to be refilled. In various embodiments, the termini of the refill lumen and the venting channel are longitudinally displaced along the needle.
    Type: Application
    Filed: July 24, 2015
    Publication date: February 11, 2016
    Inventors: William Andrew Brandt, Julian D. Kavazov, David Mathew Wessel, Andrew Dunn, Brett Daniel Schleicher, Tuan Pham
  • VENTED REFILL ARRANGEMENT FOR IMPLANTABLE DRUG-DELIVERY DEVICES
    Publication number: 20150032051
    Abstract: Embodiments of the present invention provide a vent arrangement integrated with a refill port disposed on the outer shell of an implantable drug-delivery device. The vent arrangement may utilize a tiered structure with two septums in a space-efficient configuration that facilitates both venting of pressure and refill of the drug reservoir.
    Type: Application
    Filed: June 27, 2014
    Publication date: January 29, 2015
    Inventors: William Andrew Brandt, Jilian Kavazov, David Mathew Wessel, Andrew Dunn