Saliva solution metering apparatus with delivery tube retaining mouthpiece
US11877984B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Feb 12, 2020 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Oct 16, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0625
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for delivering a metered stream of saliva solution includes a delivery tube for drawing a saliva solution from a solution source; a pumping and metering device connected to the delivery tube for pumping saliva solution from the solution source through the delivery tube and delivering the solution to a user mouth, the delivery tube having a delivery tube upstream segment for extending from the solution source to the device, and a delivery tube downstream segment extending from the device to a delivery tube free end for placement in a user mouth; and a mouthpiece mounted to the delivery tube free end for engaging and securely retaining the delivery tube free end within a user mouth until released.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.