Patents by Inventor Erika Willing

Erika Willing 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).

  • Patent number: 5356389
    Abstract: An infusion needle, more particularly for general infusion therapy, having a needle body (1) having a metal cannula (2) and a cylindrical receiving opening (3) connected thereto, the best possible adaptation to movements by the patient is achieved, without having to abandon the secure retention of the infusion needle at the place of application, by the features that the metal cannula (2) takes the form of an inner aspiration needle which is enclosed by a somewhat shorter closely adjoining plastics cannula (4) which terminates conically and is connected to the receiving opening (3), the needle body (1) being constructed bent in the transitional zone between the receiving opening (3) and the plastics cannula (4), and the metal cannula (2) being constructed to be drawn out of the enclosing plastics cannula (4 ) and the needle body (1 ).
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: October 18, 1994
    Inventor: Erika Willing