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US 11,298,469 B2Granted
Medicament delivery device
AssigneeSanofi-Aventis Deutschland GmbH
InventorThomas Klemm
Life of this patent
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Abstract
A medicament delivery device includes a main injection needle for injecting a medicament into the body of a patient. The medicament delivery device includes a pain reduction device for releasing a pain reduction agent into the body of the patient prior the medicament injection. The pain reduction device includes an array of microneedles.
Claims15
A medicament delivery device comprising:
- a main injection needle for injecting a medicament into a body of a patient;
- a pain reduction device for releasing a pain reduction agent into the body of the patient prior to injection of the medicament, wherein the pain reduction device comprises an array of microneedles, and wherein the main injection needle is extendable through the array of microneedles;
- and
- an activation mechanism configured to trigger the release of the pain reduction agent prior to triggering the injection of the medicament, wherein the main injection needle is movable between a storage position in which the main injection needle is at least partially retracted in the device, and a use position in which a proximal end of the main injection needle protrudes from the device, and wherein the activation mechanism is configured to drive the array of microneedles from a retracted position towards a deployed position prior to driving the main injection needle from the storage position towards the use position.
1 more element
Dependencies are inferred from the claim text.