Ohio Medical Intermittent Suction Unit (ISU) is a combination continuous and intermittent regulator for use with hospital pipeline vacuum systems. It provides the versatility of an intermittent mode for nasogastric drainage. Regulated adult gauge range increments from 0-200 mmHg. In the intermittent mode, the unit uses a pneumatic logic device to alternately turn the suction "ON" and "OFF". This unique Unilogic Module provides quiet and reliable controlled intermittent suction. The unit is equipped with independent controls to adjust the duration of the "ON" and "OFF" cycles, the level of vacuum, and the rate of flow. The regulator also provides continuous vacuum, adjustable over the full range of available vacuum, to meet all clinical continuous suction requirements.
During use, as the flow requirement increases, the valve automatically opens to maintain suction at the preset level. Conversely, when the flow requirement decreases, the valve automatically closes to maintain suction at the pre-set level. The same mechanism compensates for changes in supply vacuum to automatically maintain the pre-set suction level.
When it is used, both the "On" and "Off" timing cycles are independently adjustable within a range of 3 to 30 seconds. These are pre-set at the factory at a supply vacuum of 500 mmHg (66.7 kPa) to provide approximately 15 seconds "On" and 8 seconds "Off" for the ISU. If the supply vacuum is different, the timing cycles will vary.
Suction Control Knob - Allows easy adjustment of suction to the patient
Mode Selector Knob - Allows quick and easy mode changes
Vacuum Gauge - The suction level to the patient is displayed during use
Features:
Unilogic Timing Module
Pneumatic Unilogic Module for quiet, reliable operation
Returns to atmospheric pressure during "OFF" cycle
Fully Adjustable
Fully adjustable timing cycles (3 to 30 seconds), On and Off independently adjustable
Factory preset timing cycles set at 15 seconds On, 8 seconds Off
Large, Easy to Read Gauge
Color coded ranges
5 mmHg increments
Glow-in-the-dark gauge increments and needle
Accuracy ? 5% full scale
Modular Components
Simplifies service procedures
Low cost replacement parts and kits
Durable Design and Construction
Few mechanical parts
Rugged, shatter-resistant case
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