MEDICAL SUCTION CONTROL WITH ISOLATION CHARACTERISTICS
First Claim
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1. 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, andmeans 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.
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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.
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Citations
9 Claims
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1. A suction regulator comprising:
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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.
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2. A suction regulator for regulating suction withdrawal of body fluids from a patient, the suction regulator comprising:
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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. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9)
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Specification