Delivery of viscous formulations by needle-free injection

Details Delivery of viscous formulations by needle-free injection Delivery of viscous formulations by needle-free injection

A - Human Necessities

61

M

A61M 5/30 (2006.01)

Patent

CA 2629300

Formulations are described that are viscous and will benefit from needle-free delivery at high driving pressures. Conventional delivery of these viscous formulations by hypodermic syringes is inconvenient as well as painful. Formulations include those which have a viscosity of about 5 cS or more at about 20~C and which can have 0.5 ml or more administered by a needleless injector in about 0.1 second.

L'invention concerne des préparations visqueuses pouvant être administrées par injection sans aiguille à des pressions motrices élevées. L'administration par voie conventionnelle de ces préparations visqueuses, au moyen de seringues hypodermiques, est inadaptée et douloureuse. Ces préparations ont une viscosité supérieure ou égale à 5 cSt environ à 20 °C environ et peuvent être administrées à l'aide d'un dispositif d'injection sans aiguille à raison d'au moins 0,5 ml par 0,1 seconde environ.

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