RECEPTACLE PORTION OF TRANSDERMAL DRUG DELIVERY APPARATUS AND METHODS Russian patent published in 2018 - IPC A61M37/00 A61M35/00 

FIELD: medicine and veterinary medicine; hygiene.

SUBSTANCE: invention relates to medical equipment, specifically an apparatus for delivering medicinal compositions to a patient through the skin using a microneedle assembly. Receptacle, suitable for use as a portion of a transdermal drug delivery apparatus, configured for contact with the skin of the user and for supplying a fluid, includes a housing, a force exerting element, at least one deformable element and a microneedle assembly. Housing is designed to be attached to the user. Force exerting element is elastic. Microneedle assembly is movably mounted in the housing for movement in and out of the housing. Microneedle assembly comprises a force exerting element and at least one deformable element. Force exerting element is positioned between the housing and the microneedle assembly to push the microneedle assembly out of the housing and pressing against the skin of the user. At least one deformable element is connected between the microneedle assembly and the housing to provide relative movement between the microneedle assembly and the housing and to at least partially restrict the exit of the microneedle assembly from the housing.

EFFECT: invention provides increased flexibility and adaptability of the container to the patient's skin, which improves the introduction and retention of the microneedle in the patient's skin.

15 cl, 24 dwg