Last Updated: August 4, 2026

Claims for Patent: 10,835,677

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Summary for Patent: 10,835,677

Title:	Auto injector with cartridge retention system
Abstract:	An auto injector () for administering injection of a medicament from a cartridge () containing the medicament, the auto injector comprising: a cartridge receiver () with a cartridge receiver compartment () configured to receive a cartridge assembly () with at least one cartridge retention member () when inserted through a cartridge receiver opening () along a longitudinal axis; and an ejector () configured to support the cartridge assembly () by being suspended to move along the longitudinal direction and being spring-loaded in the direction opposite of the receiving direction. The cartridge receiver compartment () has a first section (), at a first distance from the cartridge receiver opening (), with inwardly extending first guide members () that extends over first guide member angles () and are spaced apart to form a passage () at passage angles () between the inward first guide members (); wherein the inward first guide members () form a first bore () accepting the cartridge assembly () when inserted through the cartridge receiver opening (). The cartridge receiver compartment () has a second section () with an annular shape, at a second distance from the cartridge receiver opening (), and with second guide members () with first faces () that are inclined about a radial axis to the longitudinal axis and angularly arranged to extend at least partly over the passage angles () and the first guide member angles ().
Inventor(s):	Fabricius Paul Erik, Madsen Flemming, Olesen Jan
Assignee:	Ascendis Pharma A/S
Application Number:	US16060574
Patent Claims:

Details for Patent 10,835,677

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Ascendis Pharma Endocrinology Division A/s	SKYTROFA	lonapegsomatropin-tcgd	For Injection	761177	August 25, 2021	⤷ Start Trial	2036-12-29
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

International Patent Family for US Patent 10,835,677

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Country	Patent Number	Estimated Expiration
World Intellectual Property Organization (WIPO)	2017114906	⤷ Start Trial
World Intellectual Property Organization (WIPO)	2017114907	⤷ Start Trial
United States of America	11524115	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration

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