Fluid dispensing device with a flow detector
US9227010B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2013 |
| Grant date | Jan 5, 2016 |
| Priority date | — |
| Expiry date | Aug 12, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3368
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A portable therapeutic fluid delivery device with a flow detector comprising a heating element and two temperature sensors is presented. Upon activation of the heating element, a flow condition of the fluid inside the delivery tube is determined based on a signal provided by the temperature sensors. A temperature gradient within the therapeutic fluid is detected. The determined flow condition can be one of: air bubbles within the delivery tube, occlusion within the delivery tube, or leakage within the delivery tube. The device can have two parts, for example, a reusable part and a disposable part. Upon pairing of these parts, the heating element and the temperature sensors touch the delivery tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.