Pen device for administration of parathyroid hormone

Details Pen device for administration of parathyroid hormone Pen device for administration of parathyroid hormone

A - Human Necessities

61

M

A61M 5/315 (2006.01) A61M 5/24 (2006.01) A61M 5/31 (2006.01)

Patent

CA 2424015

A pen delivery device and a procedure for administering parathyroid hormone is provided to allow for the priming and injection of a single predetermined dose. The method is a three-step method using visual indicators to set the priming and injectable dose deliveries. The device is made of a minimal number of parts, which include a housing, a dose knob, a generally cylindrical disengaging assembly located within the proximal end of the dose knob, and an externally threaded drive stem. The pen device further includes a mechanism that prevents the user from dialing up a dosage greater than that remaining in the cartridge.

Cette invention a trait à un dispositif distributeur, du type stylo, ainsi qu'au procédé correspondant, d'administration d'hormone parathyroïde, permettant l'amorçage et l'injection d'une dose unique prédéterminée. Ce procédé, qui comporte trois étapes, utilise des indicateurs visuels permettant d'adapter l'administration des doses d'amorce et d'injection. Le dispositif selon l'invention, qui comporte un minimum de pièces, est constitué d'un logement, d'un bouton doseur, d'un ensemble de désolidarisation généralement cylindrique placé dans l'extrémité proximale du bouton doseur et d'une tige de commande filetée extérieurement. Ce dispositif distributeur, du type stylo, est doté d'un mécanisme évitant que son utilisateur ne sélectionne un dosage supérieur à celui qui reste dans la cartouche.

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