Method and apparatus for inducing anesthesia

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

1991-12-26

1993-08-03

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604158, 604164, A61M 5178

Patent

active

052324427

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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