Patents by Inventor James H. McElhaney

James H. McElhaney 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: 5527337
    Abstract: A bioabsorbable stent for placement at the locus of a stenotic portion of a body passage, such as a blood vessel, which is flexible and compliant for safe and effective delivery to the site of the stenotic portion of, for example, a blood vessel, and so as to avoid the disadvantages of chronic implantation, such as arterial rupture or aneurism formation while exposed to the continuous stresses of a beating heart. The stent is formed from a bioabsorbable material and is porous or has apertures defined there through to facilitate tissue ingrowth and encapsulation of the stent. The stent is encapsulated and biodegrades or bioabsorbs within a period of days, weeks or months as desired following encapsulation to thereby minimize the likelihood of embolization or other risks of the dissolved material and to avoid the disadvantages of chronic implantation.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: June 18, 1996
    Assignee: Duke University
    Inventors: Richard S. Stack, Howard G. Clark, William F. Walker, James H. McElhaney
  • Patent number: 4867156
    Abstract: A percutaneous axial atheroectomy catheter assembly for circumferentially removing plaque from coronary arteries including first and second circumferential cutters for cutting first and second radial portions of plaque from the walls of an obstructed vessel and for receiving the excised plaque for removal from the targeted coronary artery.
    Type: Grant
    Filed: June 25, 1987
    Date of Patent: September 19, 1989
    Inventors: Richard S. Stack, James H. McElhaney
  • Patent number: 3954280
    Abstract: A harness for restraining occupants, particularly children, in a vehicle. The harness includes an elongated rigid strap plate having an anchor strap secured thereto with the opposite end of the anchor strap secured to means for transferring impact energy to the frame of the vehicle. Shoulder straps are secured to the strap plate on opposite sides of the anchor strap. Waist and crotch straps are provided and a buckle releasably secure the waist, crotch and shoulder straps in front of the child.
    Type: Grant
    Filed: October 15, 1974
    Date of Patent: May 4, 1976
    Inventors: Verne L. Roberts, James H. McElhaney