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Infusion apparatus

  • US 4,445,893 A
  • Filed: 05/13/1982
  • Issued: 05/01/1984
  • Est. Priority Date: 05/13/1982
  • Status: Expired due to Term
First Claim
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1. An intravenous catheter placement device comprising a catheter including a catheter hub having a relatively rigid proximal connector end portion for connecting the hub in fluid connection with another device, and a flexible cannula extending distally from the distal end of said catheter hub, said catheter hub having a frusto-conical portion intermediate the distal and proximal ends thereof and having an annular recess in the outer wall of said frusto-conical portion said recess having a distal wall and a proximal wall, said recess having first guide means thereon, and a catheter securing member of relatively resilient material having a hub portion and a pair of opposed wings integral with said hub portion, said securing member hub portion having having distal and proximal ends said securing member hub portion having an inner frusto-conical wall extending circumferentially continuously and having second guide means on the inner wall thereof complementary to said first guide means, said securing member being movable axially over said frusto-conical portion of said catheter hub and into said recess with said first and second guide means cooperating to orientate said wings in predetermined circumferential relation with said hub, the distal end of said securing member abutting the distal wall of the recess when the securing member is disposed in said recess to hold said securing member therein.

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