×

Intravenous catheter and insertion device

  • US 5,176,650 A
  • Filed: 02/10/1992
  • Issued: 01/05/1993
  • Est. Priority Date: 02/10/1992
  • Status: Expired due to Fees
First Claim
Patent Images

1. An intravenous catheter insertion device comprising:

  • (a) a hollow cylindrical barrel of semi-rigid plastic material having an insertion end and a distal end;

    (b) a catheter insertion needle carrier slidably mounted within said barrel;

    (c) a catheter insertion needle fixedly attached to said needle carrier and oriented toward said insertion end;

    (d) an intravenous catheter removably secured about said needle, said intravenous catheter comprising a rigid hollow conical base and a flexible hollow tube extending from the narrow end of said base, said base having a circumferential flange extending about the wide end;

    (e) sliding means mounted on said needle carrier extending exterior of said barrel for sliding said needle carrier with said needle and said catheter within said barrel to expose or retract said needle with said catheter;

    (f) a locking surface at said insertion end having an inner diameter slightly smaller than the outer diameter of said circumferential flange to prevent retraction of said catheter after exposure; and

    (g) a removable cap adapted to be secured over said insertion end when said insertion needle is retracted within said barrel.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×