Catheter and introducer needle assembly with needle shield

Details Catheter and introducer needle assembly with needle shield Catheter and introducer needle assembly with needle shield

1998-04-09

1999-12-21

McDermott, Corrine

Surgery

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

Treating material introduced into or removed from body...

604110, 604198, A61M 5178, A61M 500, A61M 532

Patent

active

06004294&

ABSTRACT:
A catheter and introducer needle assembly with needle shield is provided wherein the needle includes an enlarged diameter portion and a distally facing shoulder. The needle shield includes a means for engaging the distally facing shoulder to prevent unwanted distal movement of the needle once the needle has been withdrawn into the needle shield. The needle shield also includes a small diameter opening adjacent to its proximal portion to limit proximal movement of the needle out of the needle shield.

REFERENCES:
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patent: 5409461 (1995-04-01), Steinman
patent: 5558651 (1996-09-01), Crawford et al.
patent: 5601536 (1997-02-01), Crawford et al.
patent: 5613952 (1997-03-01), Pressly, Sr. et al.

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