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Placement device for a catheter and guide wire

  • US 5,062,836 A
  • Filed: 03/14/1990
  • Issued: 11/05/1991
  • Est. Priority Date: 03/14/1990
  • Status: Expired due to Term
First Claim
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1. In a placement device for a catheter wherein the catheter is introduced into a patient with the aid of a guide wire, the placement device including a valve assembly having a proximal end for connection to a syringe after the guidewire is removed from the patient, a distal end for connection to the proximal end of the catheter, and an elastic valve member having at least one slit and a slide member being slidably received in the valve assembly and moveable between a first position spaced from the valve member with the valve member being closed, and a second position engaged against the valve member with the valve member being open, with the slide member having a bore extending therethrough;

  • the improvement comprising a valve opener for opening the valve to permit removal of the guidewire therethrough after introducing the catheter into the patient, the valve opener having opposed distal and proximal ends, a channel extending between the opposed ends and having an inner diameter sufficiently large to receive the guide wire at the distal end of the valve opener and to permit passage of the guide wire through the opener and then out the proximal end thereof, the valve opener having an elongated stem at its distal end, the stem having an outer diameter sufficiently small to be releasably received in the bore of the slide member, the stem having a sufficient length to extend through the slide member to open the valve member whereby to permit removal of the guide wire through the opened valve member, the proximal end of the valve opener having means for releasably securing the valve opener on the proximal end of the valve assembly prior to use in placing the catheter in the patient.

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