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Shielded medical connector

  • US 5,890,929 A
  • Filed: 06/03/1997
  • Issued: 04/06/1999
  • Est. Priority Date: 06/19/1996
  • Status: Expired due to Term
First Claim
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1. An electrical connector for transmitting signals from a sensor to a medical instrument through a plug connected to one end of an external shielded cable, and through a socket on the instrument that is connected to an internal shielded cable inside the instrument, comprising:

  • a non-conductive, elongated nut having a distal end with a tapered interior surface, the distal end having an aperture therethrough sized to receive the cable from the sensor, and having an engaging surface on the proximal end of the nut;

    a non-conductive, generally tubular plug having an internal cavity extending the length of the plug with the cavity having two different diameters, the distal end of the plug having an engaging surface adapted to engage the engaging surface on the proximal end of the nut to hold the nut and plug together, the proximal end of the plug configured to engage a socket, the cavity having an electrically conductive surface on it;

    a cylindrical clamping tube with its distal end adapted to fit within and cooperate with the tapered end of the nut to clamp against a cable inserted through the aperture in the nut and inserted through the clamping tube;

    a conductive member fitting between the clamping tube and the conductive surface when the clamping tube is inserted into the plug'"'"'s cavity; and

    a pin holder having a plurality of apertures adapted to hold a plurality of pins from a terminal end of the cable, the pin holder being configured to snugly fit within the interior cavities of the tubular plug, the pin holder insulating the apertures from the conductive coating on the plug, and having a distal end abutting a proximal end of the clamping tube when the nut is placed onto the distal end of the plug.

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