Breast pump
US8109901B2 · kind B2 · utility
6Cited by
71References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2009 |
| Grant date | Feb 7, 2012 |
| Priority date | — |
| Expiry date | Jan 20, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/8206
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A breast pump has at least one collection assembly for engaging at least a portion of a breast surrounding a nipple and a vacuum pump for applying a vacuum to the collection assembly and thereby to at least the nipple of the breast. A controller is operable to cyclically operate the vacuum pump between a maximum vacuum pressure in the range of about 70 mm Hg to about 150 mm Hg and a latching pressure of about 30 mm Hg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.