Engineered for exact air-entrainment ratio accuracy, clinical compliance, and ergonomic patient safety. Direct export supply from Vatva, Ahmedabad to 70+ countries.
Delivering calibrated 24% to 50% FiO2 oxygen concentrations with star-lumen kink-resistant tubing and ISO 5356-1 compliant connectors.
An expert technical overview written for healthcare procurement officers, OEM partners, regulatory managers, and medical device importers searching for high-precision fixed-concentration oxygen therapy solutions.
In modern acute care, pulmonary medicine, and emergency oxygenation, the Venturi Mask (frequently referred to as a Venturi oxygen mask, variable concentration mask, or air-entrainment mask) remains the gold standard for delivering a predictable, precise, and constant fraction of inspired oxygen (FiO2). Unlike low-flow oxygen delivery hardware—such as standard nasal cannulas or simple face masks whose delivered FiO2 fluctuates dramatically according to the patient's respiratory rate, tidal volume, and peak inspiratory flow—a Venturi Mask operates on strict fluid-dynamic principles to ensure clinical exactness. For clinical purchasing committees, government ministry tender boards, and global healthcare distributors, evaluating Venturi Mask suppliers requires looking beyond basic unit pricing to examine structural manufacturing tolerances, micro-orifice dimensional stability, biocompatibility compliance, and full technical documentation under international regulatory frameworks such as EU MDR 2017/745 and US FDA specifications.
Manufactured by Shree Umiya Surgical Pvt. Ltd. (Mediplus) in Vatva, Ahmedabad, India—a enterprise pioneer in single-use medical devices since 1988—our Venturi Mask product portfolio incorporates advanced polymer extrusion, precision injection moulding, and automated cleanroom assembly. This comprehensive blueprint dissects the technical mechanics, clinical applications, manufacturing standards, future industry trends, and strategic OEM advantages available to our commercial partners across more than 70 countries.
To understand why hospital intensive care units (ICUs) and chronic obstructive pulmonary disease (COPD) wards rely heavily on Venturi Masks, global procurement teams must evaluate the underlying physical mechanics that dictate device performance.
The operational foundation of the Venturi Mask rests upon Bernoulli's Principle and the Venturi Effect. When 100% medical-grade oxygen under pressure flows through a constrained nozzle or micro-orifice, its velocity increases significantly while its static fluid pressure drops proportionally. Located immediately downstream from this high-velocity jet nozzle are open entrainment ports exposed to ambient room air (which contains 21% oxygen).
The localized pressure drop created by the oxygen jet creates a viscous suction force, pulling ambient air through the entrainment ports into the mixing chamber. The resulting gas stream delivered to the patient's facial mask cavity represents a homogeneous mixture of oxygen and room air. Because the total gas flow generated by this air-entrainment process exceeds the patient's peak inspiratory flow demand (typically exceeding 30 to 50 Liters Per Minute), the patient breathes exclusively from the controlled mixture without entraining additional unmeasured room air around the mask seal.
The ratio of ambient air entrained per liter of pure oxygen input is mathematically predetermined by the size of the micro-orifice and the geometry of the entrainment ports. The fundamental entrainment ratio formula is expressed as:
Air-to-Oxygen Ratio = (100 - % FiO2 Desired) / (% FiO2 Desired - 21)
By applying this fluid dynamics equation, the precise volumetric air-entrainment ratios and total output flows generated by Mediplus Venturi Mask systems are calibrated as follows:
| Color Code | Target FiO2 (%) | Required O2 Input (L/min) | Air-to-O2 Ratio | Total Flow Delivered to Patient (L/min) | Primary Clinical Indication |
|---|---|---|---|---|---|
| Blue | 24% | 2 L/min | 25 : 1 | 52 L/min | Severe Hypercapnic COPD, Hypoxic Drive Preservation |
| Yellow | 28% | 4 L/min | 10 : 1 | 44 L/min | Acute Exacerbation of Chronic Bronchitis / Emphysema |
| White | 31% | 6 L/min | 7 : 1 | 48 L/min | Mild Hypoxemia with Variable Breathing Patterns |
| Green | 35% | 8 L/min | 5.6 : 1 | 52.8 L/min | Post-Anesthesia Recovery, Moderate Hypoxia |
| Pink | 40% | 8 L/min | 3.1 : 1 | 32.8 L/min | Acute Respiratory Distress, Pulmonary Edema |
| Orange | 50% | 12 L/min | 1.7 : 1 | 32.4 L/min | Severe Hypoxemia, Acute Asthma Exacerbation |
For medical procurement specialists, guaranteeing these exact entrainment ratios requires selecting a manufacturer with high-precision tooling. Minor microscopic variations or flashing artifacts in plastic injection moulding can alter orifice dimensions by a fraction of a millimeter, leading to clinical inaccuracies in delivered oxygen concentration. Mediplus utilizes state-of-the-art CNC micro-moulding machinery to ensure every jet orifice meets strict ISO performance limits.
In global clinical settings, the primary medical driver for sourcing Venturi Masks over non-rebreather masks or simple soft vinyl masks is the management of patients vulnerable to oxygen-induced hypercapnia.
In healthy individuals, the central nervous system controls respiration primarily via carbon dioxide levels ($PaCO_2$) in the arterial blood. However, patients suffering from advanced Chronic Obstructive Pulmonary Disease (COPD), severe emphysema, cystic fibrosis, or chronic neuromuscular weakness develop chronic hypercapnia. Over time, their respiratory centers become desensitized to elevated carbon dioxide, forcing their breathing mechanics to rely on hypoxic drive (monitored by peripheral chemoreceptors sensing arterial oxygen levels, $PaO_2$).
If such a patient is administered uncontrolled high concentrations of oxygen (e.g., 60% to 90% FiO2 via a non-rebreather mask), three dangerous physiological responses occur:
By deploying a Mediplus Venturi Mask set precisely at 24% or 28% FiO2, clinicians maintain tissue oxygenation above critical limits (saturations around 88%–92%) while preventing severe hypercapnia, respiratory acidosis, and mandatory endotracheal intubation. This critical clinical necessity makes the Venturi Mask an indispensible staple in hospital tender requirements globally.
Mediplus offers a complete family of single-use, medical-grade Venturi Mask configurations engineered for neonatal, pediatric, adult, and tracheostomy applications. Each configuration is built from non-toxic, DEHP-free medical PVC with soft feathered anatomical contours to prevent skin friction necrosis.
Complete set featuring an anatomical mask, 2.1m star-lumen kink-resistant tubing, entrainment barrel, and 6 color-coded dilators (24%, 28%, 31%, 35%, 40%, 50%). Ideal for central hospital stores and emergency rooms.
Request Spec Sheet →Features an adjustable, rotating entrainment valve mechanism allowing seamless switching between 24% and 50% FiO2 without disconnecting oxygen supply lines. Reduces inventory complexity and waste.
Request Spec Sheet →Engineered specifically for tracheostomy and laryngectomy patients requiring precise oxygenation and high-humidity entrainment. Includes T-connector and 22mm ISO 5356-1 compliant corrugated tubing adaptors.
Request Spec Sheet →Downsized soft-profile mask shell tailored to pediatric facial anatomy. Prevents peri-ocular gas leakage and maximizes compliance in young respiratory patients.
Request Spec Sheet →
Understanding shifting global macroeconomic and clinical dynamics is vital for procurement directors establishing long-term sourcing contracts. Our market research and export data highlight four major trends reshaping the Venturi Mask sector:
Regulatory authorities across the European Union (under REACH and EU MDR 2017/745), the United States, and East Asia are enforcing strict restrictions on Bis(2-ethylhexyl) phthalate (DEHP) plasticizers due to potential endocrine-disrupting risks. Modern healthcare tenders strictly mandate **DEHP-free, phthalate-free, and latex-free medical PVC**. Mediplus has proactively transitioned its extrusion and moulding lines to eco-friendly, medical-grade non-DEHP plasticizers, ensuring absolute safety for neonates, pregnant women, and chronic respiratory patients undergoing long-term oxygen therapy.
Geopolitical shifts and freight vulnerabilities have accelerated the diversification of medical supply chains away from single-country dependence. Global hospital networks and GPOs (Group Purchasing Organizations) are increasingly locking in long-term supply agreements with established Indian manufacturers. Operating out of the industrialized belt in Vatva, Ahmedabad, Mediplus leverages proximity to major sea ports (Mundra and Nhava Sheva) and robust raw material supply networks to deliver unbroken supply chain security and competitive cost advantages.
Post-pandemic respiratory clinical protocols emphasize containment of aerosolized pathogen particles. Future procurement trends show growing demand for Venturi systems featuring integrated closed-system filter ports or aerosol adaptors. These systems allow concurrent delivery of bronchodilator drugs via jet nebulizers while maintaining calibrated FiO2 oxygen entrainment, eliminating the need to strip masks off infected patients during acute asthma or COPD attacks.
With the sunsetting of the EU MDD directives and full enforcement of the **EU Medical Device Regulation (MDR 2017/745)**, unaccredited suppliers are rapidly exiting Western markets. Institutional buyers now demand rigorous technical documentation, including ISO 18562 gas pathway biocompatibility testing, ISO 10993 toxicological profiles, real-time packaging shelf-life stability studies, and complete UDI (Unique Device Identification) traceability. Mediplus maintains updated technical files for seamless regulatory submissions in any international jurisdiction.
When selecting a contract manufacturing partner or bulk export vendor for medical disposables, technical capabilities and strict quality assurance protocols are paramount. Founded in 1988, Shree Umiya Surgical Pvt. Ltd. (Mediplus) brings over 36 years of specialized manufacturing authority to the global medical device sector.
Mediplus operates an expansive, state-of-the-art facility in G.I.D.C. Vatva, Ahmedabad, engineered specifically to eliminate quality variations caused by sub-assembly outsourcing.
Entering new national healthcare markets requires extensive regulatory documentation. Mediplus’ in-house regulatory affairs team assists international distribution partners by providing complete technical dossiers, including:
To assist procurement managers, biomedical engineers, and hospital purchasing agents, our regulatory and clinical application team has compiled expert answers to the most common inquiries received across global markets.
Mediplus Venturi Masks are engineered in ISO Class 7/8 cleanrooms under an ISO 13485:2016 certified quality management system. They comply with ISO 18562 (biocompatibility evaluation of breathing gas pathways in healthcare applications), ISO 5356-1 (anesthetic and respiratory conical connectors), ISO 10993 (biological evaluation of medical devices), and hold CE marking under EU MDR pathways. Batch-wise Certificates of Analysis (CoA), sterilisation validation records, and full bioburden logs accompany every export shipment.
Our Venturi Masks utilize Bernoulli's Principle of fluid dynamics. High-velocity 100% oxygen passes through a calibrated micro-orifice, creating a localized low-pressure zone that draws in ambient room air through side entrainment ports. By varying orifice diameter and air entrainment size through color-coded dilators or a calibrated dial, a precise fraction of inspired oxygen (FiO2 between 24% and 50%) is maintained regardless of the patient's peak inspiratory flow rate.
Yes. We provide complete turnkey OEM and private label manufacturing services. We customize outer primary packaging, peelable blister pouch printing, multilingual Instructions for Use (IFU), Unique Device Identification (UDI) GS1-compliant barcodes, custom star-lumen tubing lengths, and specialized entrainment dilator color configurations tailored to your brand and country-specific Ministry of Health requirements. Artwork proofing is typically completed within 5 to 7 working days.
Standard catalogue Mediplus Venturi Masks have an MOQ of one pallet (approximately 2,000 to 3,000 units), while full private-label custom OEM orders begin at a single 20-ft FCL container mix. Standard production lead times are 3 to 4 weeks after final artwork approval, with sea freight dispatching from Mundra or Nhava Sheva ports, or expedited air freight from Ahmedabad International Airport.
Patients with severe Chronic Obstructive Pulmonary Disease (COPD) rely on a hypoxic respiratory drive. Uncontrolled high oxygen concentrations delivered by standard masks can abolish this drive, leading to acute carbon dioxide retention (hypercapnia), respiratory acidosis, and coma. Venturi Masks deliver a precise, guaranteed oxygen concentration (such as 24% or 28%), ensuring therapeutic tissue oxygenation while preserving the patient's spontaneous breathing drive.
Yes, our Venturi oxygen masks are constructed from medical-grade, latex-free, non-toxic, and phthalate/DEHP-free flexible PVC. Smooth feathered edges and an adjustable nose clip ensure superior ergonomic facial sealing, minimizing pressure point irritation and preventing accidental oxygen leaks into the patient's eyes.
Each Venturi Mask set is individually sealed in a medical-grade peelable pouch constructed from Tyvek / High-Density Polyethylene and clear laminate film. The packaged sets undergo 100% validated Ethylene Oxide (EO) sterilization under ISO 11135 guidelines. Packages feature chemical EO indicators and offer a verified 5-year shelf life under standard storage conditions.
| Parameter | Mediplus Technical Specification |
|---|---|
| Primary Material | Non-toxic, Latex-Free, DEHP-Free / Phthalate-Free Soft Medical PVC |
| FiO2 Concentration Range | Fixed settings: 24%, 28%, 31%, 35%, 40%, 50% (Color-Coded or Adjustable Dial) |
| Tubing Type | 2.1 Meter (7 Ft) Kink-Resistant Star-Lumen Tubing with Universal Connectors |
| Conical Connector Standard | ISO 5356-1 compliant (22mm / 15mm conical friction fit) |
| Sterilization Method | Ethylene Oxide (EO) Gas (ISO 11135 Certified, Residuals < ISO 10993-7) |
| Cleanroom Standards | ISO 14644-1 Class 7 & Class 8 Cleanroom Assembly |
| Quality Certifications | ISO 13485:2016, ISO 9001:2015, CE Mark (EU MDR pathway) |
| Packaging Format | Individual Sterile Peelable Blister Pouch; 50 or 100 units per Master Shipping Carton |
| OEM Capabilities | Custom branding, multilingual IFUs, UDI barcodes, custom tubing dimensions |
| Export Ports | Mundra Port, Nhava Sheva Port, or Ahmedabad Airport (FOB / CIF / CFR terms) |
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