02-06-2022 дата публикации
Номер: US20220168083A1
A dental cleaning appliance includes a fluid reservoir for storing working fluid, a nozzle for delivering working fluid to the teeth of a user, a light source for illuminating the fluid reservoir and a control circuit for activating the light source to generate an alert which is conveyed to the user through the illumination of the fluid reservoir. 1. A dental cleaning appliance comprising:a handle;a fluid reservoir for storing working fluid;a fluid delivery system for receiving the working fluid from the fluid reservoir and delivering the working fluid to the teeth of a user during use, the fluid delivery system comprising a nozzle for delivering the working fluid to the teeth of the user;a light source located within the handle and external to the fluid reservoir for illuminating at least part of the fluid reservoir;a light emitting surface located on an end surface of the handle which faces the fluid reservoir, the light emitting surface emitting light emitted from the light source for illuminating the at least part of the fluid reservoir; anda control circuit for activating the light source.2. The appliance of claim 1 , further comprising a stem extending between the handle and the nozzle claim 1 , and wherein the fluid reservoir is connected to the stem.3. (canceled)4. The appliance of claim 1 , comprising a light pipe located within the handle for conveying light emitted from the light source towards the fluid reservoir.5. (canceled)6. The appliance of claim 1 , wherein the fluid reservoir covers the light emitting surface of the handle.7. The appliance of claim 6 , wherein the end surface of the handle is concave in shape.8. The appliance of claim 2 , wherein the stem is detachably connected to the handle.9. The appliance of claim 8 , wherein the control circuit is configured to inhibit the activation of the light source when the stem is detached from the handle.10. The appliance of claim 1 , wherein the fluid reservoir comprises a light emitting surface for ...
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