View source for 20250177656. Auto Injector Variabl (Ascendis Pharma A/S)

= AUTO INJECTOR WITH VARIABLE PLUNGER FORCE =

'''Abstract''':
disclosed is a method and an auto-injector for administering a medicament. the auto injector comprising: a housing; a cartridge receiver configured to receive a cartridge comprising a first stopper; a drive module coupled to move a plunger rod between a retracted plunger rod position and an extended plunger rod position, the plunger rod being configured to move the first stopper; a resistance sensor configured to provide a resistance signal indicative of resistance against movement of the plunger rod; and a processing unit coupled to the drive module and to the resistance sensor. the processing unit being configured to: control the drive module to move the plunger rod towards the extended plunger rod position with a plunger rod speed; determine plunger rod position; receive the resistance signal; and control the drive module to adjust movement of the plunger rod if the resistance signal is indicative of resistance against movement of the plunger rod above a high resistance threshold, wherein the high resistance threshold is based on the plunger rod position.

'''Inventor(s)''': [[:Category:Henrik Egesborg of Hellerup  DK|Henrik Egesborg]], [[:Category:Steen Jensen of Dragør  DK|Steen Jensen]], [[:Category:Martin Nørgaard Larsen of Viborg  DK|Martin Nørgaard Larsen]], [[:Category:Johnny Elkjær of Struer  DK|Johnny Elkjær]], [[:Category:Bjørn Knud Andersen of Struer  DK|Bjørn Knud Andersen]]

'''CPC Classification''': [[:Category:CPC_A61M5/31576|A61M5/31576]] (DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY  (introducing media into or onto the bodies of animals ; means for inserting tampons ; devices for administering food or medicines orally ; containers for collecting, storing or administering blood or medical fluids ); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY  (surgery ; chemical aspects of surgical articles ); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents )})


[[Category:Patent Applications]]
[[Category:Ascendis Pharma A/S]]
[[Category:CPC_A61M5/31576]]
[[Category:Henrik Egesborg of Hellerup  DK]]
[[Category:Steen Jensen of Dragør  DK]]
[[Category:Martin Nørgaard Larsen of Viborg  DK]]
[[Category:Johnny Elkjær of Struer  DK]]
[[Category:Bjørn Knud Andersen of Struer  DK]]

[https://wikipatents.org/index.php?search=20250177656+rejection&title=Special%3ASearch&wprov=acrw1_-1 Search for rejections for patent application number 20250177656]


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