US 11,944,187 B2
Tracked toothbrush and toothbrush tracking system
Benny Pesach, Rosh HaAyin (IL); Ygael Grad, Tel-Aviv (IL); Blanc Zach Lehr, Tel-Aviv (IL); Amitai Reuvenny, Kfar-Saba (IL); and Lev Goldentouch, Rishon LeZion (IL)
Assigned to DENTLYTEC G.P.L. LTD., Tel-Aviv (IL)
Filed by Dentlytec G.P.L. LTD., Tel-Aviv (IL)
Filed on Nov. 18, 2022, as Appl. No. 17/990,539.
Application 17/990,539 is a continuation of application No. 16/766,647, granted, now 11,533,986, previously published as PCT/IL2018/051286, filed on Nov. 26, 2018.
Claims priority of provisional application 62/590,613, filed on Nov. 26, 2017.
Prior Publication US 2023/0099863 A1, Mar. 30, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A46B 15/00 (2006.01); A61C 17/34 (2006.01); G06T 7/73 (2017.01); G06V 40/16 (2022.01)
CPC A46B 15/0002 (2013.01) [A61C 17/34 (2013.01); G06T 7/74 (2017.01); G06V 40/165 (2022.01); G06T 2207/30201 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A hand-held dental tracking device, the device comprising:
a handle sized and shaped to be comfortably grasped by a human user's hand;
a dental implement head attached to the handle;
at least one imager with a field of view (FOV), where a direction and size of the FOV of the imager is such that when at least a portion of said dental implement head is within said user's mouth, said FOV includes at least a portion of said user's body outside the oral cavity,
and
a processor configured to:
acquire from said at least one imager, at least a first image which includes said at least a portion of said user's body outside of said user's oral cavity;
identify said at least a portion of said user's body portion in said first image with respect to said imager;
determine, using at least said first image, a position of said dental device with respect to said at least a portion of said user's body portion; and
determine a position of said portion of said dental device inside said user's oral cavity with respect to said user's body portion.