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. 20, 2021
Filed:
Apr. 18, 2016
Primed Halberstadt Medizintechnik Gmbh, Halberstadt, DE;
Andreas Spiegelberg, Horgen, CH;
Primed Halberstadt Medizintechnik GmbH, Halberstadt, DE;
Abstract
A device for drainage includes a tubular reservoir having a tubular pliable wall, a rigid cover, and a rigid bottom, and also includes at least one spring which applies a force that presses the cover and the bottom apart, wherein the cover is movable in the direction of the bottom in order to place the spring into a start position. One or more magnets are configured such that the magnets apply an additional force on the reservoir in such a way that a resulting force pressing the cover and the bottom apart is substantially constant across as the spring is deflected.
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