High-precision orthopedic implants and medical instruments engineered for international healthcare distribution and hospital procurement.
A deep dive into controlled fraction of inspired oxygen ($FiO_2$) delivery, fluid dynamic principles, and clinical safety standards for high-stakes respiratory intervention.
The Venturi mask operates on Bernoulli's principle of fluid dynamics. As 100% pure medical oxygen passes through a calibrated narrow orifice, its velocity increases while static pressure decreases. This pressure differential creates a vacuum effect (jet effect) that draws ambient room air through side entrainment ports at a precise, predictable ratio.
Unlike standard nasal cannulas or non-rebreather masks whose delivered oxygen concentration fluctuates with the patient’s inspiratory flow rate and tidal volume, Venturi oxygen systems provide a guaranteed, constant $FiO_2$ ranging from 24% to 50% regardless of respiratory patterns—critical for hypoxic patients prone to hypercapnia.
Manufactured exclusively from 100% medical-grade, DEHP-free PVC, our masks eliminate toxic plasticizer leaching while delivering extreme flexibility. The anatomical shape, smooth edges, and adjustable nose clips guarantee a leak-free seal without causing pressure ulcers or skin damage during extended ICU therapies.
| Dilutor Color | Delivered $FiO_2$ (%) | Required Oxygen Flow Rate (L/min) | Air-to-Oxygen Ratio | Total Gas Flow Delivered (L/min) | Primary Clinical Indication |
|---|---|---|---|---|---|
| Blue | 24% | 2 L/min | 25 : 1 | 52 L/min | Mild COPD / Stable Hypoxemia |
| Yellow | 28% | 4 L/min | 10 : 1 | 44 L/min | COPD with Carbon Dioxide Retention Risk |
| White | 31% | 6 L/min | 7 : 1 | 48 L/min | Post-Operative Recovery / Acute Asthma |
| Green | 35% | 8 L/min | 5 : 1 | 48 L/min | Moderate Hypoxia / Pulmonary Embolism |
| Pink | 40% | 10 L/min | 3 : 1 | 40 L/min | Severe Acute Respiratory Failure |
| Orange | 50% | 12-15 L/min | 1.7 : 1 | 32-40 L/min | Critical Acute Hypoxemic Resuscitation |
Original Enterprise Profile & Global Manufacturing Infrastructure
Foshan Wigivida Medical Co., Ltd. is a leading China-based manufacturer of high-quality medical consumables and devices, specializing in respiratory products, medical tubes, urology products, hypodermic and surgical consumables. With years of dedicated experience in the healthcare industry, Wigivida has built a reputation for providing reliable, safe, and innovative solutions to hospitals, clinics, and medical distributors worldwide.
The company offers a comprehensive product range, including oxygen masks, ventilator accessories, catheters, Foley catheters, hypodermic needles, syringes, surgical drapes, sterile gloves, sutures, cotton swabs, gauze rolls, IV sets, and disposable medical kits. Each product is manufactured with strict adherence to quality standards, ensuring biocompatibility, durability, and patient safety.
Wigivida Medical emphasizes innovation, research, and precision manufacturing, combining advanced production technology with a rigorous quality management system. The company also provides customized solutions to meet the specific needs of healthcare providers, supporting efficient hospital workflows and minimizing infection risks.
Guided by the principles of "quality first, service first, and customer satisfaction-driven," Foshan Wigivida Medical Co., Ltd. has earned an excellent reputation both domestically and internationally. With a professional R&D team, modern manufacturing facilities, and dedicated after-sales service, the company continues to advance the medical consumables industry, delivering safe, effective, and high-quality healthcare solutions that improve patient outcomes and support global healthcare innovation.
Our state-of-the-art facility integrates raw material synthesis, precision slitting, multi-axis CNC machining, wire-cutting, high-speed laser marking, automated cleanroom packaging, and modern warehousing.
Strategic economic and technological drivers empowering Chinese OEM/ODM medical suppliers in the international market.
China hosts the world’s most comprehensive raw material and component ecosystem for medical devices. From medical-grade resin polymerization to micro-injection molding and automated packaging machinery, direct access to localized supply chains reduces unit costs by 30-40% compared to Western counterparts while shortening lead times significantly.
Top-tier Chinese manufacturers operate under ISO 13485 quality management systems, complying with European CE MDR (2017/745) and US FDA 21 CFR 820 standards. Every production batch of Venturi oxygen masks undergoes automated vision system inspections, pressure resistance testing, flow accuracy verification, and bioburden testing.
Global brands, government health ministries, and medical distributors benefit from customized OEM branding. Foshan Wigivida offers flexible configuration options, including custom color-coded adaptors, specialized tubing lengths, soft-touch facial seals, private label packaging, and pre-printed UDI barcodes.
Navigating the evolving landscape of global hospital requirements, regulatory compliance, and respiratory therapy innovation.
Modern clinical guidelines advocate for controlled $FiO_2$ titrations to avoid hyperoxia-induced pulmonary vasoconstriction and systemic oxidative stress. Venturi oxygen masks have become standard protocol in post-anesthesia units and COPD management, driving consistent procurement growth across Western Europe, North America, and LATAM markets.
With stringent global environmental regulations, healthcare institutions demand eco-conscious consumables. Chinese manufacturers are pioneering phthalate-free, non-PVC eco-polymers (TPU/TPE) that minimize hazardous chemical emissions during incineration while offering superior skin compatibility.
Post-pandemic healthcare procurement emphasizes supply chain resilience. Enterprise buyers seek manufacturing partners with massive production capacities capable of scaling output rapidly during national health crises or seasonal respiratory spikes.
Versatile medical deployment across specialized healthcare departments.
In critically ill patients with acute hypoxemia or acute respiratory distress syndrome (ARDS), the Venturi mask serves as a stable step-down therapy post-extubation, delivering exact $FiO_2$ levels despite rapid, shallow breathing patterns.
Patients with Chronic Obstructive Pulmonary Disease rely on hypoxic drive for respiratory stimulation. Giving excessive oxygen can depress breathing. Venturi masks prevent oxygen toxicity and severe hypercapnia by capping $FiO_2$ precisely at 24% or 28%.
Following general anesthesia, patients frequently experience hypoventilation. Venturi masks provide controlled oxygenation while preventing room air dilution during variable patient inspiratory flow rates.
Expert technical clarity for hospital procurement teams, regulatory officers, and clinical specialists.
Explore our expanded catalog of orthopedic implants, trauma fixation systems, and therapeutic supports.
Wigivida Medical
