Patents by Inventor Leonardo Leprevost

Leonardo Leprevost 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: 4693236
    Abstract: A closure appliance for use in surgical ostomy comprising an upper member and a lower member. The upper member contains a cavity for receiving a closure. The closure is provided with filtration and absorbent materials. The lower member contains a plurality of tubular passageways which communicate with the cavity in the upper portion. Magnetic members surround the tubular passageways for magnetically securing the device to a magnetized annulus which has been implanted in the surrounding skin of the stoma. The closure appliance is utilized to tightly fit within the stoma and to selectively permit the evacuation of fluids from the interior of the stoma.
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: September 15, 1987
    Inventor: Leonardo Leprevost