MICRONEEDLE ARRAY ASSEMBLY AND DRUG DELIVERY DEVICE

A microneedle array assembly (71; 171), comprising: a microneedle array (28; 128) comprising a base having opposite upstream and downstream sides (37, 40) and defining a plurality of apertures (43) extending between the upstream and downstream sides (37,40); and a plurality of microneedles (31; 131)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GADSBY, Elizabeth Deibler, BAKER, Andrew T, ROSS, Russel F, HAGAN, Luke
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:	A microneedle array assembly (71; 171), comprising: a microneedle array (28; 128) comprising a base having opposite upstream and downstream sides (37, 40) and defining a plurality of apertures (43) extending between the upstream and downstream sides (37,40); and a plurality of microneedles (31; 131) extending from the downstream side (40); wherein each of the plurality of apertures (43) are defined in the base proximate each of the plurality of microneedles (31; 131), and wherein the resistance to flow through the upstream side of the base (34) is at least about 30 times greater than resistance to flow through the microneedle array (28; 128), wherein the at least about 30 times greater is a difference in the resistance to flow between the upstream side (37) and the downstream side (40) of the base.