The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 26, 2005
Filed:
Dec. 20, 2001
Applicants:
Andy Greter, Steinhausen, CH;
Beda Weber, Cham, CH;
Inventors:
Andy Greter, Steinhausen, CH;
Beda Weber, Cham, CH;
Assignee:
Medela AG, Baar, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M001/06 ; A01J005/04 ; A61B005/00 ; F04B017/03 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a breast pump, which in addition to a drive motor (), vacuum diaphragm pump () and programme-controlled electronics (), comprises a vacuum chamber () with a separation diaphragm (), which is connected between a pump intake conduit () and an extraction hood (). The first chamber () is equipped with a device () for the negative or positive aeration of said chamber. Said device () is also programme-controlled by the electronics () during the normal continuous operation of the pump ().