Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 15, 2007
Patent Application Number
10262415
Date Filed
September 30, 2002
Patent Primary Examiner
Patent abstract
An aspiration flow resistor 10 includes an inlet 12 and an outlet 14. A housing 16 is connected to the inlet 12 and outlet 14. A series of spaced walls 18 are disposed between the inlet 12 and the outlet 14. The walls 18 and the inlet 12 and the outlet 14 together with the housing 16 define a plurality of aspiration flow chambers 22. As aspirant flows from the inlet 12 to the outlet 14, a pressure decrease in the aspirant flow occurs at each wall 18 to provide resistance to aspirant flow.
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