I.V. catheter with self-locating needle guard

Details I.V. catheter with self-locating needle guard I.V. catheter with self-locating needle guard

1991-12-05

1993-10-19

Hirsch, Paul J.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604198, A61M 518

Patent

active

RE0344168

ABSTRACT:
An I.V. catheter is described, including a catheter and hub assembly and a needle and hub assembly. A needle guard, including a tubular distal portion and a split proximal flange, is located about the needle at the distal end of the needle hub. The needle includes a slot near the needle tip. As the needle assembly is withdrawn from the catheter, the needle guard slides along the needle until the split flange engages the needle slot, which locks the tubular distal portion of the guard over the needle tip.

REFERENCES:
patent: 3536073 (1970-10-01), Farb
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patent: 4160450 (1979-07-01), Doherty
patent: 4373526 (1983-02-01), Kling
patent: 4500312 (1985-02-01), McFarlane
patent: 4631057 (1986-12-01), Mitchell
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patent: 4702738 (1987-10-01), Spencer
patent: 4747831 (1988-05-01), Kulli
patent: 4762516 (1988-08-01), Luther et al.
patent: 4781692 (1988-11-01), Jagger et al.
patent: 4804371 (1989-02-01), Vaillancourt
patent: 4810248 (1989-03-01), Masters
patent: 4816024 (1989-03-01), Sitar et al.
patent: 4819659 (1989-04-01), Sitar

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