Medicine container having lyophilized powder and diluent stored

Details Medicine container having lyophilized powder and diluent stored Medicine container having lyophilized powder and diluent stored

1983-08-31

1985-05-21

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604191, 206219, 215 6, A61M 500

Patent

active

045183864

ABSTRACT:
A medical device employs a first elongated hollow cylinder having a first inner diameter, one end of the first cylinder being open, the other end of the first cylinder removably receiving a hypodermic needle and being otherwise sealed. The device also employs a second elongated hollow cylinder having a second and smaller inner diameter, the first and second cylinders being disposed end to end along a common axis, one end of the second cylinder being open and disposed adjacent the one end of the first cylinder, the other end of the second cylinder being adapted to be detachably engaged by a cylinder engaging member. The device also employs a sealing member disposed between and detachably engaging both cylinders, the member having a first cylindrical section having a diameter slightly smaller than said first diameter and disposed in slidable sealing engagement in the one end of the first cylinder, the member having a second cylindrical section having a diameter slightly smaller than the second cylinder and disposed in slidable sealing engagement in the one end of the second cylinder, the first section having a first coefficient of friction with respect to the inner wall of the first cylinder, the second section having a second and higher coefficient of friction with respect to the inner wall of the second cylinder; A first medicine is disposed in the first cylinder; A second medicine is disposed in the second cylinder.

REFERENCES:
patent: 2841145 (1958-07-01), Epps
patent: 3477431 (1969-11-01), Walecka
patent: 3511239 (1970-05-01), Juschhoff
patent: 3662753 (1972-05-01), Tassell

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