Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – Ultrasound contrast agent
Reexamination Certificate
2002-02-08
2009-10-06
Chong, Yong S (Department: 1617)
Drug, bio-affecting and body treating compositions
In vivo diagnosis or in vivo testing
Ultrasound contrast agent
C424S450000
Reexamination Certificate
active
07597877
ABSTRACT:
Method and apparatus for continuous infusion to a subject of dispersions in which the dispersed phase is susceptible to flotation or sedimentation. The dispersion is controllably delivered from an upper or lower extremity of an essentially vertically positioned delivery vessel, e.g. syringe2, and is then admixed with flushing medium, e.g. from infusion minibag8, prior to administration to the subject. Vertical positioning of the delivery device maximises the distance through which flotation or sedimentation may occur, thereby substantially reducing the effects of separation over a given period of time compared to use of a corresponding horizontal delivery vessel such as a syringe placed in a conventional syringe driver.
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Remington, The Science and Practice of Pharmacy 19thed., pp. 1551-1554, 1995, Mack Publishing Company (Remington).
Fahlvik Anne Kjersti
Henriksen Ingrid
Kasparkova Vera
Omtveit Tore
Bohlken Craig
Chong Yong S
GE Healthcare AS
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