Airways Surgicals Airoventuri Venturi Mask
Pack Sizes Available
Product Description
Technical Specifications
- Device Type: High-flow air-entrainment oxygen delivery system (Venturi mask)
- Operating Principle: Venturi effect air-entrainment for precise FiO2 delivery independent of breathing pattern
- Oxygen Concentrations Available: 24%, 28%, 31%, 35%, 40%, 50%, (60% with optional red diluter)
- Color-Coded Diluters: Blue (24%), Yellow (28%), White (31%), Green (35%), Pink (40%), Orange (50%), Red (60%)
- Flow Rate Requirements: 2-4 L/min (24%), 4-6 L/min (28-35%), 8-10 L/min (40-50%), 10-12 L/min (60%)
- Total Flow Delivered: 30-60 L/min (oxygen plus entrained air), meets patient inspiratory demand
- Mask Material: Medical-grade transparent PVC, soft anatomical molding
- Tubing: 7 feet (2.1 meters) crush-resistant star lumen oxygen supply tubing with universal connector
- Available Sizes: Adult (standard), Pediatric (available separately)
- Mask Features: Adjustable nose clip, elastic headstrap, elongated chin design, soft cushioned edges
- Latex Content: Latex-free for enhanced patient safety
- Clinical Applications: COPD exacerbations, controlled oxygen therapy, post-operative recovery, pneumonia, hypoxemia requiring precision FiO2
- Package Contents: 1 mask, 6-7 color-coded diluters, 7 ft oxygen tubing, elastic headstrap, instructions
- Sterilization: Non-sterile (oxygen therapy device, not surgical), individually packaged
- Usage: Single-use, single-patient disposable only
- Regulatory: Medical device meeting ISO standards for oxygen therapy equipment
Frequently asked questions
A Venturi mask is a high-flow oxygen delivery system that provides precise, controlled oxygen concentrations (FiO2) from 24% to 60%. It works using the Venturi principle: high-velocity oxygen flows through a narrow jet, creating negative pressure that entrains room air at a fixed ratio. Different color-coded diluters have specific port geometries that control the air-to-oxygen mixing ratio. This engineering ensures consistent FiO2 delivery regardless of variations in patient breathing patterns, tidal volumes, or inspiratory flow demands, unlike simple masks or nasal cannulas where oxygen concentration varies with breathing.
Each color-coded diluter delivers a specific oxygen concentration at a designated flow rate: Blue = 24% O2 at 2-4 L/min, Yellow = 28% O2 at 4-6 L/min, White = 31% O2 at 4-6 L/min, Green = 35% O2 at 4-6 L/min, Pink = 40% O2 at 8-10 L/min, Orange = 50% O2 at 8-10 L/min, and Red (when included) = 60% O2 at 10-12 L/min. The color coding system prevents selection errors during emergencies and ensures clinicians can quickly identify and attach the correct diluter for prescribed oxygen therapy without consulting reference charts.
Venturi masks are preferred for COPD patients because they prevent over-oxygenation, which can suppress the hypoxic respiratory drive that many chronic COPD patients depend on for breathing stimulus. COPD patients with chronic CO2 retention can become dependent on low oxygen levels (hypoxemia) to trigger breathing. If given too much oxygen with imprecise delivery devices, their respiratory drive can decrease dangerously. Venturi masks allow precise titration starting at 24-28% oxygen with gradual increases as clinically indicated, avoiding the risk of sudden respiratory depression from uncontrolled high oxygen delivery.
High-flow oxygen devices like Venturi masks provide total gas flow (oxygen plus entrained air) that meets or exceeds peak inspiratory flow demand, typically 30-60 L/min depending on diluter. This means the patient breathes only the gas mixture from the device, ensuring precise FiO2. Low-flow devices like nasal cannulas or simple masks deliver oxygen at 1-15 L/min, which is less than inspiratory demand (30-40 L/min during distress). The patient dilutes the oxygen by inhaling additional room air (21% O2), making actual FiO2 unpredictable and variable with breathing patterns.
Venturi masks are designed and intended as single-use, single-patient disposable devices. They must NOT be reused or resterilized. Each patient must receive a new sterile mask. Reusing these devices introduces unacceptable infection control risks including healthcare-associated pneumonia, cross-contamination between patients, biofilm accumulation on mask surfaces and in tubing that cannot be adequately cleaned, and material degradation that may affect oxygen delivery accuracy or structural integrity. Proper disposal as biohazard waste after single use is mandatory.
To assemble: (1) Select the appropriate color-coded diluter for the prescribed oxygen concentration, (2) Attach the diluter firmly to the mask body, ensuring it locks in place, (3) Connect the oxygen supply tubing to the diluter port, (4) Set the oxygen flowmeter to the flow rate indicated on the diluter (e.g., 4-6 L/min for 28%), (5) Place the mask over the patient's nose and mouth with the elongated portion under the chin, (6) Adjust the nose clip for comfortable seal, (7) Secure with elastic headstrap behind the head. Verify oxygen is flowing and patient is breathing comfortably. Monitor for proper seal and adequate oxygenation.
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