This item requires and Rx or Professional License The Drive DeVilbiss SmartDose® Mini Electronic Auto-Adjusting Oxygen Conserver (Model CTOX-MN02) is an advanced, breath-actuated ambulatory oxygen delivery system engineered to extend cylinder runtime while ensuring optimal patient saturation. Rather than delivering a fixed flow rate that leads to substantial oxygen waste during exhalation, the SmartDose® Mini features micro-engineered internal pressure sensors that continuous monitor real-time breathing frequencies. It dynamically increases or decreases the oxygen bolus size within seconds to precisely match the patient's active physical exertion. Weighing just 15.5 ounces with its power cells installed, this ultra-lightweight high-pressure cylinder accessory operates across 5 pulse settings. When higher respiratory demand is detected, the automated algorithm can scale the active output by up to two additional internal increments, ensuring immediate clinical support during exercise or physical movement. Design & Functional Features SmartDose® Adaptive Bolus Sensing: Automatically turns the pulse volume up by one to two settings during physical exertion, returning to the lower baseline when the patient is at rest to optimize cylinder longevity. High-Efficiency First-Phase Delivery: Delivers a precise 16 mL per unit setting bolus within the first 2/3 of the inhalation cycle, eliminating wasting oxygen during exhalation. Dual-Choice Valve Matrix: Constantly evaluates breath pacing to choose the lowest necessary delivery flow rate, providing a quieter and more comfortable therapy experience than traditional fixed pneumatic conservers. High-Pressure Cylinder Compatibility: Interfaces with standard high-pressure oxygen cylinders with an operational input threshold ranging from 500 to 3,000 PSI. Product Specifications & Identification Parameter Specification Details Brand / Master Vendor Drive DeVilbiss Healthcare Model Number / SKU / MPN CTOX-MN02 (Alternative designations: R-CTOX-MN02 / DRV-CTOX-MN02) UPC / GTIN / Barcode 50822383296406 HCPCS Billing Code A4618 Delivery Mechanism Breath-Actuated Pulse Dose & Preset Continuous Flow Pulse Settings Range Increments 1, 2, 3, 4, 5 (Scales automatically up to Setting 7 during exertion) Continuous Flow Override Preset at 2.0 LPM Operating Cylinder Pressure 500 to 3,000 PSIG Net Hardware Weight 15.55 oz (0.97 lbs) with batteries installed Physical Dimensions 4.2" L x 3.0" W x 5.0" H Power Drive Configuration 2 Standard "AA" Alkaline Batteries Average Battery Lifespan Approximately 1 year for typical patient profiles Compliance & Tax Tier FDA Class II Prescription Required / FSA & HSA Eligible Important Product Characteristics Integrated Auto-Shutoff Matrix: Preserves internal battery voltage by utilizing an automated sleep-state shutdown if no respiratory pulse signals are registered for a prolonged timeframe. Protective Exterior Overmold: Designed with a impact-resistant, tactile composite exterior skin to protect fragile internal electronic valve relays from accidental drops. Application Notice: The SmartDose® Mini is a prescription-regulated medical accessory. It must be configured strictly to the parameters defined by a licensed healthcare practitioner. It is intended for ambulatory cylinder applications and is not a standalone oxygen generating machine. Frequently Asked Questions (FAQ) How exactly does the auto-adjusting technology extend my oxygen tank life? Traditional pneumatic regulators release a rigid, continuous stream of oxygen, meaning most of the gas escapes into the room while you exhale. The SmartDose® Mini releases gas only during the initial portion of your breath. Furthermore, it monitors your resting respiratory rate and automatically reduces its bolus size when you sit down or sleep, dramatically stretching the physical lifespan of your compressed cylinder. What happens if I exert myself and need a sudden surge of oxygen? You do not have to manually twist a dial when you stand up or walk. The SmartDose® Mini senses the rapid shift in your inhalation cycle during exertion and dynamically steps up the volume by one or two levels automatically. Once your breathing returns to normal, it automatically scales back down to preserve your tank supply. What kind of batteries does it take and how long do they last? The electronic module runs on 2 standard AA alkaline batteries. Because it only draws trace electrical currents to trigger the micro-valves, a single pair of batteries will last approximately one full year for the vast majority of patients. Does it feature a backup setting if my breathing patterns change? Yes. If you require a static flow rate or if a clinical scenario requires constant delivery, the SmartDose® Mini features a built-in mechanical override toggle that switches the device directly into a fixed Continuous Flow (CF) mode preset at 2 Liters Per Minute (LPM). FDA Class II Medical Device Regulations (21 CFR Part 807) To ensure strict compliance with current Food and Drug Administration (FDA) regulations, EnhDme enforces a rigorous prescription verification policy for specific restricted medical devices. Because federal law restricts these devices to sale by or on the order of a licensed healthcare provider, orders containing prescription-regulated equipment will remain on a compliance hold and will not be dispensed until a valid prescription is successfully received and verified by our compliance team. Link to our prescription policy and contact information.
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