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Medical insertion device with hemostatic valve

  • US 5,911,710 A
  • Filed: 05/03/1997
  • Issued: 06/15/1999
  • Est. Priority Date: 05/02/1997
  • Status: Expired due to Term
First Claim
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1. A medical insertion device for introducing an elongated member into a vascular system and facilitating maneuverability of the elongated member through the vascular system while providing hemostasis, the device comprising:

  • a housing having an interior lumen extending therethrough;

    a sheath tube attached to a distal end of the housing, the sheath tube having a distal end adapted for insertion into the vascular system;

    a first elastomeric valve secured within the interior lumen of the housing and having an openable slit therein;

    a shuttle tube having proximal and distal ends and an interior passageway, the interior passageway being in fluid communication with the interior lumen of the housing, the shuttle tube being capable of biasing the first elastomeric valve open; and

    means for maintaining hemostasis when the shuttle tube biases the first elastomeric valve open, the means for maintaining hemostasis being coupled to the shuttle tube, wherein the means for maintaining hemostasis comprises a Tuohy-Borst valve having an opening that is changeable in size so as to engage an outer diameter of the elongated member, the elongated member being inserted through the device.

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