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Implantable access devices

  • US 5,527,277 A
  • Filed: 06/06/1995
  • Issued: 06/18/1996
  • Est. Priority Date: 03/01/1990
  • Status: Expired due to Fees
First Claim
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1. A template for use with an access device implanted in a patient and having a housing, an entrance orifice, a passageway, a valve located in said passageway, an exit orifice and an internal catheter connected at said exit orifice and permitting access by a filament such as a needle, external catheter, wire or optical fiber to a predetermined tissue, said template comprising:

  • a base having a shape supporting said template on said patient in an area where said access device is implanted;

    a conforming region formed in said base and generally configured in a shape corresponding with said access device, said base and conforming region enabling said template to be positioned on said patient at a location over said implanted access device;

    an aperture defined in said conforming region generally corresponding in shape with said entrance orifice and being positioned to indicate the location of said entrance orifice when said access device is implanted in said patient, said aperture thereby readily and accurately allowing percutaneous insertion of said filament into said access device by inserting said filament through said aperture.

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