8/30/2023 0 Comments Spectra hand pump![]() ![]() ![]() Many parents use them to continue breastfeeding after they return to work. Reasons for use īreast pumps are used for many reasons. Many Egnell SMB breast pumps designed through this research are still in operation over 50 years after publication.Īrchaeologists working at a glass factory site in Philadelphia, Pennsylvania, excavated a 19th-century breast pipe that matches breast pumping instruments in period advertisements. This article provided insight into the technical aspects of milk extraction from the breast. In 1956 Einar Egnell published his groundbreaking work, "Viewpoints on what happens mechanically in the female breast during various methods of milk collection". Patent 1,644,257 for Lasker's breast pump. ![]() In 1921–23, engineer and chess master Edward Lasker produced a mechanical breast pump that imitated an infant's sucking action and was regarded by physicians as a marked improvement on existing hand-operated breast pumps, which failed to remove all the milk from the breast. Colbin as the inventor and patent applicant of a breast pump. On June 20, 1854, the United States Patent Office issued Patent No. They may be manual devices powered by hand or foot movements or automatic devices powered by electricity. Mechanical device used to extract milk from human breasts External videoĭistilled #7: Bicycle Horn or Breast Pump?, Distillations Podcast, Science History Institute, January 18, 2019.ĪVENT isis manual breast pump Ameda Purely Yours Double Electric Breast Pump worn with D'Lite Hands-free Breast Pump Bra Hygeia Enjoye electric breast pump Medela Symphony electric breast pumpĪ breast pump is a mechanical device that lactating women use to extract milk from their breasts. ![]()
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