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Improved percutaneous access device

  • US 5,556,385 A
  • Filed: 12/06/1994
  • Issued: 09/17/1996
  • Est. Priority Date: 12/06/1994
  • Status: Expired due to Term
First Claim
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1. In a device for percutaneous administration of fluids from a fluid source into a body cavity, vessel or organ of a patient, the device including a tube having a fluid lumen, an inflatable member and an inflation lumen and defined by a proximal end lying outside of the patient and a distal end lying within the patient, the proximal end of the fluid lumen being in fluid communication with the fluid source and the distal end disposed within the patient, the proximal end of the inflation lumen in communication with the inflatable member disposed within the patient, the improvement comprising:

  • a retention platform disposed about the proximal end of the cube, the platform having an underside surface with a raised central portion defining a recess which is generally arcuate-shaped and which occupies a major portion of the extent of the platform;

    said retention platform having a plurality of circumferentially-spaced fingers extending radially outward from the proximal end of the tube, the circumferentially-spaced fingers having a width which increases as said fingers extend outward;

    the platform making contact with the patient only on peripheral edge portions of the circumferentially-spaced fingers.

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