Volumetric fluidics pump with translating shaft path
US8162633B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 2, 2007 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Mar 15, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pump for moving a fluid through a fluidics system includes a surface and channel disposed along at least a portion of the surface. The pump also includes a driving mechanism having a rotatable shaft and a plurality of haptics operably coupled to the shaft. A closed portion is formed in the channel as the channel is compressed between the surface and at least one of the haptics, the closed portion having a thickness between the surface the haptic. The pump additionally has a circular path and a shaft path. The haptics are completely disposed inside the circular path and traversing the circular path during operation of the driving mechanism. The shaft path is traversed by shaft during operation of the driving mechanism, such at least one of the haptics is always in contact with the channel. The surface has a radius of curvature in the vicinity of the closed potion that is greater than the sum of a radius of the circular path and the thickness of the closed portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.