Patents by Inventor Patrick Ayer

Patrick Ayer 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).

  • Arterial blood extraction device
    Patent number: 4215702
    Abstract: A device for the extraction of blood from a vessel and, in particular, for the extraction of arterial blood. The device has structure which permits an immediate visual observation of arterial blood pulsations regardless of the patient's blood pressure once the vessel is punctured. The device includes a container under vacuum and a valve mechanism for regulating the flow of blood into the container. The structure for visual observation of arterial blood pulsations includes a thin-wall conduit with the blood being visible through the wall of the conduit.
    Type: Grant
    Filed: January 12, 1978
    Date of Patent: August 5, 1980
    Inventor: Patrick Ayer