US 12,303,344 B2
Angled-head rotary cleaning device for dental purposes
Matthias Maier, Biberach an der Riss (DE); Andreas Thanner, Biberach an der Riss (DE); Thomas Classen, Herbertingen (DE); Marcel Ott, Zwiefalten (DE); Dennis Krueger, Geislingen (DE); and Alexander Klee, Biberach an der Riss (DE)
Assigned to KAVO DENTAL GMBH, Biberach an der Riss (DE)
Filed by KAVO DENTAL GMBH, Biberach an der Riss (DE)
Filed on May 4, 2022, as Appl. No. 17/662,026.
Claims priority of provisional application 63/184,999, filed on May 6, 2021.
Prior Publication US 2022/0354626 A1, Nov. 10, 2022
Int. Cl. A61C 17/22 (2006.01); A61C 1/08 (2006.01); A61C 17/00 (2006.01); A61C 17/34 (2006.01)
CPC A61C 17/222 (2013.01) [A61C 1/088 (2013.01); A61C 17/005 (2013.01); A61C 17/3436 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A disposable, single use angled-head rotary cleaning device for dental purposes, the cleaning device comprising:
a disposable, single use plastic housing having an elongated neck portion that defines a sleeve with a wall, wherein the neck portion includes a first end and a second end, the plastic housing having a head portion coupled to the first end of the neck portion and angled relative to the neck portion; and
a disposable, single use elongated light guiding element having a light entry portion to receive light, and a light exit portion to emit light;
wherein at least a portion of the light guiding element is accommodated within the wall of the neck portion;
wherein the light guiding element is held by the neck portion via a form locking connection with the neck portion;
wherein a portion of the light guiding element that extends between the light entry portion and the light exit portion is exposed and defines a portion of an exterior surface of the neck of the angled-head rotary cleaning device, wherein only the portion of the exterior surface of the neck that is defined by the light guiding element is illuminated along the neck.