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US 2010/0145290 A1Published application
Medical suction control with isolation characteristics
AssigneeBoehringer Laboratories, Inc.
InventorsJohn R. Boehringer, John Karpowicz, Kevin Klocek, Michael Kauffmann
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Abstract
A suction regulator for controlling a level of negative pressure in a system in which compensatory clean airflow is used to isolate a control device for regulating suction delivered to a patient is disclosed. The regulator comprises an inlet; an outlet; a controller for controlling the suction delivered to the inlet; and a barrier for isolating the controller from the inlet.
Claims9
A suction regulator comprising:
- an outlet port coupled to a source of suction,
- an inlet port in fluid communication with a patient,
- a fluid passageway defined between the outlet port and the inlet port,
- means for regulating suction within the fluid passageway, and
- means for isolating the regulating means from fluid flow through the fluid passageway,
- wherein the means for isolating comprises a diaphragm being positioned to isolate at least a portion of the regulating means from the fluid passageway.
3 more elements
A suction regulator for regulating suction withdrawal of body fluids from a patient, the suction regulator comprising:
- a body;
- an outlet port defined in said body that is configured to be coupled to a source of suction;
- an inlet port defined in said body that is configured to be in fluid communication with the patient;
- a fluid passageway defined between the outlet port and the inlet port;
- means for regulating suction within the fluid passageway;
- a regulating chamber defined within said suction regulator containing at least a portion of the means for regulating suction;
- and
- a diaphragm positioned to separate said regulating chamber from said fluid passageway to limit the passage of fluids into said regulating chamber.
5 more elements
Dependencies are inferred from the claim text.