Alternating suction breastpump assembly and method
US5954690A · kind A · utility
49Cited by
29References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 11, 1997 |
| Grant date | Sep 21, 1999 |
| Priority date | — |
| Expiry date | Apr 11, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/81
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A double-breastpump assembly comprising first and second breastpump units. Each breastpump unit has a breast shield within which a breast is received. A vacuum pump unit for creating a periodic reduced air pressure is alternately applied within the breast shield of each breastpump unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.