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:
Dec. 27, 2022
Filed:
Jun. 12, 2020
Karl Storz Endovision, Inc., Charlton, MA (US);
Tyrel Waagen, Sturbridge, MA (US);
KARL STORZ Endovision, Inc., Charlton, MA (US);
Abstract
A vent assembly configured to maintain predetermined positive and negative pressure differentials between gas within a compartment and the environment, such as a compartment defining an interior of an endoscope is provided. The vent assembly includes a first housing having an upper vent and a lower vent coupled to the compartment. A piston is movable from a closed position to a first position, and from the closed position to a second position. In the closed position the piston blocks the upper and lower vents. A positive pressure differential moves the piston so as to open the vent to allow gas to escape from the compartment. A negative pressure differential draws the piston from the closed position to a second position to allow gas to enter the compartment.