Epidural needle location indicator assembly

Details Epidural needle location indicator assembly Epidural needle location indicator assembly

1991-10-24

1993-04-27

Hirsch, Paul J.

Surgery

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

Treating material introduced into or removed from body...

604165, A61M 518

Patent

active

052058280

ABSTRACT:
An epidural needle location indicator device for semiautomatically indicating when an epidural needle has entered into the epidural space in preparation of the delivery of epidural anesthesia. The device can be used with conjunction with a conventional Tuohy needle and takes advantage on the reduction in pressure experienced upon entry into the epidural space causes a visible controlled forward movement of the stilette.

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Lumbar and Thoracic Epidural Anaesthesia by E. N. Armitage in Principles of Regional Anesthesia, pp. 81-91, edited by J. A. W. Wildsmith.

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