Patent ID: 11883622
Assignee: SORRENTO THERAPEUTICS, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 14:
15. A drug delivery device comprising:
a central region, an outer region surrounding the central region, and an intermediate region disposed between the central region and the outer region, the drug delivery device comprising:
a microneedle assembly disposed within the central region of the drug delivery device;
a reservoir disposed within the central region, wherein the reservoir contains a drug formulation, and wherein the reservoir is in selective fluid communication with the microneedle assembly; and
a pushing element disposed above both the reservoir and the microneedle assembly within the central region, the pushing element being configured to provide a force having a downward component to move the microneedle assembly into engagement witha user's skin,
wherein the reservoir is disposed between the microneedle assembly and the pushing element, and wherein the downward component of the force from the pushing element is transmitted through the reservoir to the microneedle assembly without increasing pressure of the drug formulation within the reservoir.