US 12,465,695 B2
Data collection apparatus for attachment to an injection device
Alexander Heinrich, Wil (CH); and Sven Zwicker, Wil (CH)
Assigned to Sanofi, Paris (FR)
Appl. No. 17/267,377
Filed by Sanofi, Paris (FR)
PCT Filed Aug. 9, 2019, PCT No. PCT/EP2019/071409
§ 371(c)(1), (2) Date Feb. 9, 2021,
PCT Pub. No. WO2020/035406, PCT Pub. Date Feb. 20, 2020.
Claims priority of application No. 18306121 (EP), filed on Aug. 15, 2018.
Prior Publication US 2021/0290854 A1, Sep. 23, 2021
Int. Cl. A61M 5/31 (2006.01); A61M 5/315 (2006.01); G16H 20/17 (2018.01)
CPC A61M 5/31551 (2013.01) [A61M 5/31585 (2013.01); G16H 20/17 (2018.01); A61M 2205/52 (2013.01); A61M 2205/8206 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A data collection device, comprising:
a first portion attachable to a rotatable dosage knob of an injection device, wherein the rotatable dosage knob is configured to rotate as medicament is expelled from the injection device;
a second portion rotatably coupled with the first portion, wherein at least part of the second portion is movable axially relative to the first portion, the second portion comprising a button that is rotationally fixed, the button being moveable between an extended position and a depressed position, wherein moving the button to the depressed position causes the second portion to move axially relative to the first portion;
one or more sensors configured to detect rotation of the first portion relative to the second portion;
a processor configured to, based on a movement detected by the one or more sensors, determine a medicament amount expelled by the injection device; and
a one-way mechanism engageable with the first portion and configured to permit relative rotational movement between the button and the first portion in a first rotational direction during dose delivery and to prevent relative rotational movement between the button and the first portion in a second rotational direction opposite the first rotational direction during dose delivery.