Method and apparatus for inducing anesthesia

Details Method and apparatus for inducing anesthesia Method and apparatus for inducing anesthesia

1990-12-31

1994-04-19

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604 49, 604164, 604265, A61M 518

Patent

active

053041410

ABSTRACT:
The present invention provides apparatus and methods for introducing spinal anesthesia directly into the subarachnoid space of a patient. One apparatus and method utilizes a small gauge spinal needle for penetrating the dura; the other utilizes a small gauge catheter with an internal stylet having a non-piercing pencil point to spread apart the filaments of the dura wall. An introducer having a rounded tip is also provided for guiding and supporting the spinal needle or catheter, as force is applied thereto, to cause the same to penetrate the dura.

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