Patents by Inventor Joel Metals

Joel Metals 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).

  • Improvements to implantable vascular access devices
    Patent number: 5176653
    Abstract: Telescopic needles permit the perforation of implantable vascular accesses sealed by means of a flexible elastomeric membrane using needles of large diameter. The telescopic needles in order of increasing diameter, permit progressive perforation with widening of the orifice formed in the septum, with only the nozzle of greatest diameter remaining through the septum at the end of the operation.The invention extends the area of application of implantable vascular access devices.
    Type: Grant
    Filed: July 9, 1991
    Date of Patent: January 5, 1993
    Inventor: Joel Metals
  • Filter, particularly for trapping blood clots
    Patent number: 4688553
    Abstract: The invention relates to an improved filter intended to be placed in the blood stream for the trapping of clots.The filter (10) of the invention is characterised in that it comprises legs (12) provided with appendices (14) which allow centering of the filter inside a vein (6).The invention is applied to filters intended to be placed in veins with a view to avoiding emboli.
    Type: Grant
    Filed: November 14, 1985
    Date of Patent: August 25, 1987
    Assignee: L. G. Medical S.A.
    Inventor: Joel Metals