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The Nexcore GI Insufflator is designed to use CO2 as a distention media in the gastrointestinal tract when used in conjunction with a gastrointestinal endoscope. The Nexcore GI Insufflator allows the physician to modulate and control the CO2 to the patient in an identical manner to that being done currently with room air which is supplied by an air pump in the light source of the endoscopic equipment.

The Nexcore GI Insufflator is a reusable electronic medical device that delivers CO2, via a gastrointestinal (GI) endoscope, to provide improved visualization, increase patient comfort, and increase procedure efficiency during GI endoscopic procedures. The insufflator operates by receiving CO2 from a pressurized cylinder or hospital infrastructure supply and regulating it down in stages to a lower pressure by means of primary and secondary regulators. Each stage of pressure, including the output pressure, has a pressure relief valve as a redundant safety backup for the regulator system. The flow rate is controlled by an electronically controlled proportional valve, which utilizes differential pressure across an in-line orifice to measure flow rate. The output flow rate is user adjustable with four pre-defined settings: high, medium, low and ultra-low. The device contains software that receives inputs from a touchscreen user interface and controls the operation of the device, including the delivery of CO2 to the endoscope. There are no direct patient-contacting components in this device, other than the delivered CO2 gas. The device is reusable and is not sterile. The Nexcore GI Insufflator is used in hospitals and outpatient endoscopy suites. The device operates from mains power. There is one model (NX-350) of this device. The accessories sold with the device are the line (power) cord and a pin-indexed high pressure hose for CO2 cylinder connection. The Nexcore GI Insufflator is used with commercially available, separately cleared devices, including a GI endoscope and tube set. The appropriate compatible tube set is intended to provide CO2 or air (if CO2 is not used) to an endoscope for endoscopic procedures and must have a ≤0.2 micron hydrophobic filter, check valve, and luer fittings at both ends. The tubing ID must be sufficient to deliver 4L/min.