Pneumatic system having noise reduction features for a medical fluid machine
US11491321B2 · kind B2 · utility
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100References
20Claims
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Key dates
| Filing date | Nov 11, 2019 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Dec 22, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K2099/0086
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pneumatic system for a medical fluid machine operating a medical fluid cassette, the pneumatic system including an interface for supplying positive pneumatic pressure and negative pneumatic pressure to the medical fluid cassette; a source of positive pneumatic pressure; a source of negative pneumatic pressure; and a pneumatic pump including a first head and a second head, wherein the first head is dedicated to supplying positive pneumatic pressure to the positive pneumatic pressure source and the second head is dedicated to supplying negative pneumatic pressure to the negative pneumatic pressure source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.