Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1992-09-22
1994-01-18
Weiss, John G.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604165, 604264, 606125, A01M 5178
Patent
active
052795705
ABSTRACT:
A needle assembly which comprises a hollow needle, a stylet, and a spacer mechanism to control the position of the stylet within the needle.
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patent: 5163947 (1992-11-01), Kvalo et al.
Dombrowski Mitchell P.
Evans Mark I.
Wayne State University
Weiss John G.
LandOfFree
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