Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1991-07-22
1993-02-23
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
128748, A61M 3100
Patent
active
051885948
ABSTRACT:
A method of administering medicine into the epidural space by first supplying air through a valve connected to a needle and provided with an inflatable element so that before the needle reaches the epidural space the inflatable element is inflated. The needle is advanced and when the needle reaches the epidural space the inflatable element is deflated; medication is then administered through the valve and through the needle into the epidural space.
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patent: 4164938 (1979-08-01), Patton
patent: 4215699 (1980-08-01), Patel
patent: 4623335 (1986-11-01), Jackson
patent: 4799494 (1989-01-01), Wang
patent: 4801293 (1989-01-01), Jackson
patent: 4944724 (1990-07-01), Goldberg et al.
Gutowski Anthony
Yasko John D.
Zborovsky Ilya
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