Tip determiner for an injection device

A system determines the location of a tip (106) of a hypodermic needle (104) by moving a needle along a path (108), shining light from two sources onto respective portions of the path, and analysing signals received from the respective light sources that have been reflected by the needle.

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Bibliographische Detailangaben
Hauptverfasser: Le Masne, Quentin, Thawer, Alim, Jeannerot, Fabien, Hayes, Matthew James
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A system determines the location of a tip (106) of a hypodermic needle (104) by moving a needle along a path (108), shining light from two sources onto respective portions of the path, and analysing signals received from the respective light sources that have been reflected by the needle.