Patent ID: 11865313
Assignee: SANOFI-AVENTIS DEUTSCHLAND GMBH
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A  G

Claim 16:
17. A system comprising:
a medicament administration device comprising:
a dose setting dial disposed at a proximal end of the medicament administration device; and
an internal component that rotates around a longitudinal axis of the medicament administration device when a dose of medicament is delivered from the medicament administration device, wherein the internal component includes a plurality of reflective regions, and

a data collection device comprising:
an attachment assembly for attaching the data collection device to the dose setting dial;
a light source configured to illuminate a portion of the internal component including the plurality of reflective regions; and
an optical sensor configured to receive light reflected by the plurality of reflective regions,, wherein the light source and optical sensor are located proximally of the dose setting dial when the data collection device is attached to the dose setting dial such that a light path between the light source, internal component, and optical sensor passes through a proximal end surface of the dose setting dial.