Cannula for a slit septum and a lock arrangement therefore

Details Cannula for a slit septum and a lock arrangement therefore Cannula for a slit septum and a lock arrangement therefore

1995-05-30

1996-11-19

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604905, A61M 3700

Patent

active

055757693

ABSTRACT:
A smooth tipped hollow needle is provided for piercing a slit septum of a medical connector or the like. The smooth tipped needle may be of closed end type or of open end type. Due to the smooth septum-penetrating surfaces, the needle minimizes the risk of debris being scrapped or abraded from the internal wall of the septum during penetration. An internal locking mechanism is also provided for locking a needle within a connector after passage through a septum. The locking mechanism employs a washer with protuberances to mate within dimples on the needle.

REFERENCES:
patent: 4645494 (1987-02-01), Lee et al.
patent: 5135489 (1992-08-01), Jepson et al.
patent: 5178607 (1993-01-01), Lynn et al.

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