Anesthesia instrument

Details Anesthesia instrument Anesthesia instrument

1993-06-23

1995-01-03

Weiss, John G.

Surgery

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

Treating material introduced into or removed from body...

604264, A61M 5178

Patent

active

053782410

ABSTRACT:
An anesthesia instrument consists of a single lumen epidural cannula with a Touhy-type beveled aperture, an epidural catheter and a spinal cannula. The anesthesia instrument is characterized in that, the diameter or the cross-section of the epidural cannula is so dimensioned that, even with the epidural catheter positioned within the same, there is still sufficient space for the sliding through of a spinal cannula. In one form of the invention, marking means are provided to indicate at the proximal end of the epidural cannula, the position of the tip of the spinal cannula being inserted in the epidural cannula.

REFERENCES:
patent: 4808157 (1989-02-01), Coombs
patent: 4994036 (1991-02-01), Biscoping
patent: 5053046 (1991-10-01), Janese
patent: 5100390 (1992-03-01), Lubeck et al.
patent: 5163901 (1992-11-01), Eldor
patent: 5205828 (1993-04-01), Kedem

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