Recording dose data from drug injection devices using optical character recognition (OCR)
US10146910B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2015 |
| Grant date | Dec 4, 2018 |
| Priority date | — |
| Expiry date | Oct 15, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/64
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of recording a medicament dose using a data collection device comprises capturing, by a video camera of said data collection device, a video showing a medicament dose indicator of a medicament delivery device, adjusting a scale of an image of said medicament dose indicator in said video, adjusting said image for skew of one or more characters displayed on a component of the medicament delivery device in said video, determining the position of at least one of said one or more characters in the image, identifying the at least one character using optical character recognition and determining a medicament dose shown by the medicament dose indicator based on a result of said optical character recognition. The method may include determining whether more than one delivery of medicament is recorded in the video and, if so, whether said more than one delivery includes one or more prime shots, so that an overall dosage delivered to a user may be determined based on multiple determined medicament doses. A wearable electronic device comprising a video camera may be used to obtain and analyze the video, for example, using software provided in an “app”. The wearable electronic device ma…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.