Patents by Inventor Douglas A. Nafziger

Douglas A. Nafziger 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).

  • Protective shield for patients using hickman-style catheters or other medically implanted devices
    Patent number: 6336458
    Abstract: A protective chest shield device having medical applications is disclosed. The chest shield is designed to prevent damage to patients wearing an indwelling catheter or other medically implanted device during participation in athletic activities. The device consists of a rigid shield below which padding is placed at appropriate locations as to create a void so as to prevent contact with the external or internal components of the medical device. It is affixed to the patient by means of an adjustable harness.
    Type: Grant
    Filed: April 8, 2000
    Date of Patent: January 8, 2002
    Inventor: Douglas A. Nafziger