Syringe-based microbubble generator with an aerator
US11400207B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2021 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Dec 30, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/1408
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A device includes a syringe having a barrel and a syringe tip; an aerator having (i) a generally cylindrical exterior body; (ii) an inlet end; (iii) an outlet end; (iv) a tapered outlet port at its outlet end; and (v) an interior cavity comprising (A) an input port section, (B) a converging section, (C) a throat section, (D) a diverging section, (E) an outlet section, (F) a first vent that fluidly couples at least one of the throat section or the diverging section to an area outside and adjacent to the exterior body, and (G) a second vent that fluidly couples the outlet section to the area; and a housing that (x) circumferentially surrounds an end of the barrel and the aerator, (z) has an interior surface, (aa) forms a circumferential gas pocket between the interior surface and the exterior body, and (bb) has a housing discharge tip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.