Puncture guard for needle administration set

Details Puncture guard for needle administration set Puncture guard for needle administration set

1990-07-30

1991-07-09

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604192, A61M 500

Patent

active

050302124

ABSTRACT:
A puncture guard for a needle administration set having a needle assembly with a pair of flexible transverse wings includes a cylindrical sleeve which is outwardly flared at one end. One or more transverse openings are provided through the sleeve adjacent the opposite end. The administration set tubing is threaded axially through the sleeve with the flared end facing the needle assembly. Upon removal of the needle from the patient, the sleeve is grasped and the tubing is pulled so that the needle assembly wings engage the flared end of the sleeve. Further pulling of the tubing causes the wings to bend as the needle assembly is pulled into the sleeve. Rotation of the sleeve or tubing relative to each other when the wings are registered with the transverse opening causes the wings to spring outwardly through the transverse opening, locking the needle assembly within the sleeve with the tip of the needle safely confined.

REFERENCES:
patent: 3900026 (1975-08-01), Wagner
patent: 3901226 (1975-08-01), Scardenzan
patent: 4139010 (1979-02-01), Dykstra
patent: 4170993 (1979-10-01), Alvarez
patent: 4500312 (1985-02-01), McFarlane
patent: 4631058 (1986-12-01), Raines
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patent: 4830282 (1989-04-01), Hogan
patent: 4842586 (1989-06-01), Hogan
patent: 4846804 (1989-07-01), Davis et al.
patent: 4850961 (1989-07-01), Wanderer et al.
patent: 4935011 (1990-06-01), Hogan
patent: 4941881 (1990-07-01), Masters et al.

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