2015-05-042015-05-042013-09-17Oden, Maria, Lukomnik, Julia Ellen Davidson, Dinh, Cindy M., Guiterrez, Amanda Michelle, Amaro, Carlos and Richards-Kortum, Rebecca R., "Method and apparatus for dose measurement." Patent US8535277B2. issued 2013-09-17. Retrieved from https://hdl.handle.net/1911/80133.https://hdl.handle.net/1911/80133The present disclosure relates to devices for use in conjunction with a syringe in measuring a dose using the syringe. In certain embodiments, a clip is provided that includes an elongated portion for insertion into a barrel of a syringe and a locking portion that locks onto a feature of the syringe. Once inserted, the clip physically prevents retraction of a plunger of the syringe past a certain point corresponding to a desired dose.12 ppengUtility patentUS8535277B2