Catheter apparatus having a retractable intravenous needle assem

Details Catheter apparatus having a retractable intravenous needle assem Catheter apparatus having a retractable intravenous needle assem

1994-06-22

1996-08-13

McDermott, Corrine M.

Surgery

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

Treating material introduced into or removed from body...

604164, 604110, A61M 532

Patent

active

055451462

ABSTRACT:
A catheter apparatus for intravenous applications, such as hemodialysis, which helps prevent needlesticks. The invention includes a hollow plunger to which a hollow needle is attached. A housing surrounds the plunger and contains a locking device so that when the plunger is retracted and the needle is pulled within the housing, the plunger becomes locked into place, thus encasing and securing the needle. A standard IV tubing line is attached to the apparatus, the introducing needle inserted so that the catheter is placed in position, and then the introducing needle is withdrawn and locked in place without the need for the operator having to break the system. Once the needle is locked into position, medical personnel are protected from a needlestick as the entire needle is within the apparatus.

REFERENCES:
patent: 4834718 (1989-05-01), McDonald
patent: 4952207 (1990-08-01), Lemieux
patent: 5108376 (1992-04-01), Bonaldo
patent: 5137515 (1992-08-01), Hogan
patent: 5176655 (1993-01-01), McCormick et al.
patent: 5209739 (1993-05-01), Talalay
patent: 5269760 (1993-12-01), Bina
patent: 5314503 (1994-05-01), Bobrove et al.

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