Last Updated: July 22, 2026

Claims for Patent: 11,883,622

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Summary for Patent: 11,883,622

Title:	Transdermal drug delivery device
Abstract:	A transdermal drug delivery device is disclosed that may comprise a housing including an upper housing portion and a lower housing portion. The lower housing portion may define a bottom surface including skin attachment means for releasably attaching the lower housing portion to skin of a user. The upper housing portion may at least partially surround a central region of the device. The device may also include a microneedle assembly and a reservoir disposed within the central region. The reservoir may be in fluid communication with the microneedle assembly. Additionally, the device may include a pushing element disposed above the microneedle assembly within the central region. The pushing element may be configured to provide a continuous bilateral force having a downward component transmitted through the microneedle assembly and an upward component transmitted through the skin attachment means.
Inventor(s):	Russell F. Ross, Luke Hagan, Alexander Malkin, Derek Hatchett, Jacob Marks, Thomas Lutzow
Assignee:	Vivasor Inc
Application Number:	US17/178,817

Details for Patent 11,883,622

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Wyeth Pharmaceuticals Llc	TRUMENBA	meningococcal group b vaccine	Injection	125549	October 29, 2014	11,883,622	2041-02-18
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

International Patent Family for US Patent 11,883,622

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Country	Patent Number	Estimated Expiration
World Intellectual Property Organization (WIPO)	2014132240	⤷ Start Trial
United States of America	2021170153	⤷ Start Trial
United States of America	2019134369	⤷ Start Trial
United States of America	2015367117	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration

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