酸素濃縮器の世界市場（2024年～2031年）

世界の酸素濃縮器市場は予測期間（2024年～2031年）にCAGR8.5%でかなりの成長が見込まれます。世界の酸素濃縮器市場は、呼吸器疾患、高齢化、技術の進歩、在宅ヘルスケア、COVID-19、ヘルスケア支出、政府の取り組み、酸素療法に対する意識の高まりなどの要因によって拡大しています。酸素濃縮器は、空気中の酸素を高濃度に抽出する装置です。

市場力学

世界の疾病負担の増大

慢性閉塞性肺疾患（COPD）は世界の呼吸器疾患負担に大きく寄与しており、酸素療法などの効果的な呼吸器療法ソリューションが必要とされています。Australian Institute of Health and Welfare（オーストラリア保健福祉研究所）によると、2023年12月、COPDと診断された人は、そうでない人に比べて、自己申告による健康問題、心理的苦痛、身体的苦痛の割合が高くなっていました。COPDは2023年の疾病負担全体の3.6％、呼吸器疾患負担の50.0％を占めます。さらに、2020～21年にはCOPDの治療と管理に推定8億3,160万米ドルが割り当てられ、医療システム支出全体の0.6％、呼吸器疾患支出の18.0％を占めました。さらに、COPDは2021年に7,018人の死亡原因となっており、記録された死亡者全体の4.1％を占めています。

酸素濃縮器の技術進歩に対する需要の増加

遠隔監視やスマートコネクティビティなどの高度な機能を含む酸素濃縮器技術の革新は、患者の快適性と治療成果を向上させ、市場成長を促進しています。国連児童基金（ユニセフ）によると、2021年8月、合計6万2,046台の酸素濃縮器が104カ国に出荷され、累計額は4,620万米ドルを超えました。特筆すべきは、中国の貿易会社が1万2,788台、780万米ドル以上の酸素濃縮器を受注したことです。

市場セグメンテーション

世界の酸素濃縮器市場を詳細に分析すると、技術、プロセス、用途、エンドユーザー別に以下のように区分されます。

• タイプ別では、市場は携帯型と固定型に細分化されます。
• 技術別では、市場は連続フローとパルスフローに二分されます。
• アプリケーション別では、市場は慢性閉塞性肺疾患（COPD）、喘息、呼吸困難、その他（睡眠時無呼吸、間質性肺疾患、間質性線維症、肺嚢胞性線維症、術後ケア）に細分化されます。
• エンドユーザー別では、市場は病院・診療所、在宅医療環境、外来手術センター・医院に区分されます。

携帯型が最大セグメントと予測

タイプ別に見ると、世界の酸素濃縮器市場は携帯型と固定型に細分化されます。このうち、携帯型が最大シェアを占めると予測されています。同分野の成長を支える主な要因としては、酸素濃縮器製造における先進技術が挙げられ、メーカーは需要の増加に対応するため、有効性と費用対効果を改善した製品の設計に注力しています。例えば、2021年6月、Servotech Power Systems社は医療グレードの酸素濃縮器を発売しました。インドで100万台の酸素濃縮器を導入する計画で、価格は419.81ドルからです。IISER BhopalおよびIIT Jammuと提携し、現地生産して病院、財団、その他のヘルスケア施設に供給します。

市場セグメンテーション：在宅医療が大きな市場シェアを占める

在宅医療への動向は、コストの上昇、遠隔医療の進歩、患者中心のケア、通院回数の削減、患者の転帰の改善などの理由で増加しています。例えば、2023年4月、OxyGoは最新製品OxyHome 5L Stationary Concentratorを発売しました。これは、家庭用として毎分最大5Lの連続酸素流量を供給するように設計されています。洗練されたコンパクトな装置で、ツインブロワー冷却設計、静かな動作音、3年間の交換保証があり、毎日の活動に適しています。

地域別展望

世界の酸素濃縮器市場は、北米（米国、カナダ）、欧州（英国、イタリア、スペイン、ドイツ、フランス、その他欧州）、アジア太平洋（インド、中国、日本、韓国、その他アジア太平洋）、世界のその他の地域（中東・アフリカ、ラテンアメリカ）を含む地域別にさらに細分化されています。

ヘルスケア施設需要の増加がアジア太平洋市場の成長を牽引

インドでは専門的なヘルスケア施設に対する需要が高まっており、病院、診療所、在宅介護の現場で呼吸療法をサポートする酸素濃縮器などの高度医療機器に対するニーズが高まっています。国際貿易局（.gov）によると、2024年1月、インドのヘルスケア産業は大きな成長を遂げ、市場規模は2022年の3,700億米ドル超から2026年には6,100億米ドルに拡大すると予測されています。この成長の背景には、専門的で質の高いヘルスケア施設に対する需要の増加があります。さらに、インドのヘルスケアに対する公的支出は、2022年のGDPの2%から2025年には2.5%に上昇すると予想されており、特に恵まれない人々へのヘルスケアサービスの提供に重点が置かれています。その結果、医療機器部門は相応の成長を遂げることになります。

北米が主要市場シェアを占める

成長経済圏におけるヘルスケア支出の増加とインフラ拡充により、酸素濃縮器などの呼吸ケア機器への投資が増加しています。米国医師会によると、2023年3月に米国の医療支出は総額4兆3,000億米ドルに達し、国民1人当たり1万2,914米ドルに相当します。これは前年と比較して大幅な成長低下を意味し、成長率はわずか2.7％でした。パンデミック関連の政府支出の減少が、治療の遅れと2020年からの旺盛な需要により回復した医療品とサービスの利用増を相殺しました。

世界の酸素濃縮器市場に参入している主要企業には、CAIRE Inc.、DeVilbiss Healthcare GmbH、Invacare Corp.、Inogen Inc.、Nidek Medical Products Inc.などがあります。市場競争力を維持するために、市場企業は提携、合併、買収などの戦略を適用して事業拡大や製品開発にますます注力しています。例えば、2023年8月、VGM &Associatesは、携帯酸素濃縮器のプロバイダーであるO2 Conceptsと提携し、24時間365日の環境下での連続フローおよび大量パルス投与酸素療法と、同社独自のDNAテクノロジー接続ソリューションを提供します。

目次

第1章 レポート概要

• 業界の現状分析と成長可能性の展望
• 調査方法とツール
• 市場内訳
  • セグメント別
  • 地域別

第2章 市場概要と洞察

• 調査範囲
• アナリストの洞察と現在の市場動向
  • 主要業界動向
  • 推奨事項
  • 結論

第3章 競合情勢

• 主要企業分析
• Avanos Medical, Inc.
  • 概要
  • 財務分析
  • SWOT分析
  • 最近の動向
• ESAB Corp.
  • 概要
  • 財務分析
  • SWOT分析
  • 最近の動向
• Inogen Inc.
  • 概要
  • 財務分析
  • SWOT分析
  • 最近の動向
• 主要戦略分析

第2章 市場セグメンテーション

• 酸素濃縮器の世界市場：タイプ別
  • 携帯型
  • 固定型
• 酸素濃縮器の世界市場：技術別
  • 連続フロー
  • パルスフロー
• 酸素濃縮器の世界市場：用途別
  • 慢性閉塞性肺疾患（COPD）
  • 喘息
  • 呼吸困難
  • その他（睡眠時無呼吸症候群、間質性肺疾患、間質性線維症、肺嚢胞性線維症、術後ケア）
• 酸素濃縮器の世界市場：エンドユーザー別
  • 病院・診療所
  • 在宅医療環境
  • 外来手術センター・医院

第3章 地域別分析

• 北米
  • 米国
  • カナダ
• 欧州
  • 英国
  • ドイツ
  • イタリア
  • スペイン
  • フランス
  • その他欧州
• アジア太平洋
  • 中国
  • インド
  • 日本
  • 韓国
  • その他アジア太平洋
• 世界のその他の地域
  • ラテンアメリカ
  • 中東・アフリカ

第4章 企業プロファイル

• Beijing North Star Co. Ltd.
• BESCO MEDICAL Ltd.
• BOC Ltd.
• CAIRE Inc.
• DeVilbiss Healthcare GmbH
• ETW International
• Foshan Keyhub Electronic Industries Co., Ltd.
• GVS S.p.A.
• Inova Health System Foundation（Inova）
• Invacare Corp.
• Nidek Medical Products Inc.
• O2 Concepts, LLC
• Oxus America
• Oxygen Plus, Inc.
• OxyGo HQ Florida, LLC.
• Precision Medical, Inc.
• Teijin Ltd.

LIST OF TABLES

• 1. Global Oxygen Concentrators Market Research And Analysis By Type, 2023-2031 ($ Million)
• 2. Global Portable Oxygen Concentrators Market Research And Analysis By Region, 2023-2031 ($ Million)
• 3. Global Fixed Oxygen Concentrators Market Research And Analysis By Region, 2023-2031 ($ Million)
• 4. Global Oxygen Concentrators Market Research And Analysis By Technology, 2023-2031 ($ Million)
• 5. Global Oxygen Concentrators By Continuous Flow Market Research And Analysis By Region, 2023-2031 ($ Million)
• 6. Global Oxygen Concentrators By Pulse Flow Market Research And Analysis By Region, 2023-2031 ($ Million)
• 7. Global Oxygen Concentrators Market Research And Analysis By Application, 2023-2031 ($ Million)
• 8. Global Oxygen Concentrators In Chronic Obstructive Pulmonary Disease Market Research And Analysis By Region, 2023-2031 ($ Million)
• 9. Global Oxygen Concentrators In Asthma Market Research And Analysis By Region, 2023-2031 ($ Million)
• 10. Global Oxygen Concentrators In Respiratory Distress Market Research And Analysis By Region, 2023-2031 ($ Million)
• 11. Global Oxygen Concentrators In Other Application Market Research And Analysis By Region, 2023-2031 ($ Million)
• 12. Global Oxygen Concentrators Market Research And Analysis By End User, 2023-2031 ($ Million)
• 13. Global Oxygen Concentrators For Hospitals & Clinics Market Research And Analysis By Region, 2023-2031 ($ Million)
• 14. Global Oxygen Concentrators For Home Care Settings Market Research And Analysis By Region, 2023-2031 ($ Million)
• 15. Global Oxygen Concentrators For Ambulatory Surgical Centers & Physician Offices Market Research And Analysis By Region, 2023-2031 ($ Million)
• 16. Global Oxygen Concentrators Market Research And Analysis By Region, 2023-2031 ($ Million)
• 17. North American Oxygen Concentrators Market Research And Analysis By Country, 2023-2031 ($ Million)
• 18. North American Oxygen Concentrators Market Research And Analysis By Type, 2023-2031 ($ Million)
• 19. North American Oxygen Concentrators Market Research And Analysis By Technology, 2023-2031 ($ Million)
• 20. North American Oxygen Concentrators Market Research And Analysis By Application, 2023-2031 ($ Million)
• 21. North American Oxygen Concentrators Market Research And Analysis By End-User, 2023-2031 ($ Million)
• 22. European Oxygen Concentrators Market Research And Analysis By Country, 2023-2031 ($ Million)
• 23. European Oxygen Concentrators Market Research And Analysis By Type, 2023-2031 ($ Million)
• 24. European Oxygen Concentrators Market Research And Analysis By Technology, 2023-2031 ($ Million)
• 25. European Oxygen Concentrators Market Research And Analysis By Application, 2023-2031 ($ Million)
• 26. European Oxygen Concentrators Market Research And Analysis By End-User, 2023-2031 ($ Million)
• 27. Asia-Pacific Oxygen Concentrators Market Research And Analysis By Country, 2023-2031 ($ Million)
• 28. Asia-Pacific Oxygen Concentrators Market Research And Analysis By Type, 2023-2031 ($ Million)
• 29. Asia-Pacific Oxygen Concentrators Market Research And Analysis By Technology, 2023-2031 ($ Million)
• 30. Asia-Pacific Oxygen Concentrators Market Research And Analysis By Application, 2023-2031 ($ Million)
• 31. Asia-Pacific Oxygen Concentrators Market Research And Analysis By End-User, 2023-2031 ($ Million)
• 32. Rest Of The World Oxygen Concentrators Market Research And Analysis By Region, 2023-2031 ($ Million)
• 33. Rest Of The World Oxygen Concentrators Market Research And Analysis By Type, 2023-2031 ($ Million)
• 34. Rest Of The World Oxygen Concentrators Market Research And Analysis By Technology, 2023-2031 ($ Million)
• 35. Rest Of The World Oxygen Concentrators Market Research And Analysis By Application, 2023-2031 ($ Million)
• 36. Rest Of The World Oxygen Concentrators Market Research And Analysis By End-User, 2023-2031 ($ Million)

LIST OF FIGURES

• 1. Global Oxygen Concentrators Market Share By Type, 2023 Vs 2031 (%)
• 2. Global Portable Oxygen Concentrators Market Share By Region, 2023 Vs 2031 (%)
• 3. Global Fixed Oxygen Concentrators Market Share By Region, 2023 Vs 2031 (%)
• 4. Global Oxygen Concentrators Market Share By Technology, 2023 Vs 2031 (%)
• 5. Global Oxygen Concentrators By Continuous Flow Market Share By Region, 2023 Vs 2031 (%)
• 6. Global Oxygen Concentrators By Pulse Flow Market Share By Region, 2023 Vs 2031 (%)
• 7. Global Oxygen Concentrators Market Share By Application, 2023 Vs 2031 (%)
• 8. Global Oxygen Concentrators In Chronic Obstructive Pulmonary Disease Market Share By Region, 2023 Vs 2031 (%)
• 9. Global Oxygen Concentrators In Asthma Market Share By Region, 2023 Vs 2031 (%)
• 10. Global Oxygen Concentrators In Respiratory Distress Market Share By Region, 2023 Vs 2031 (%)
• 11. Global Oxygen Concentrators In Other Application Market Share By Region, 2023 Vs 2031 (%)
• 12. Global Oxygen Concentrators Market Share By End-User, 2023 Vs 2031 (%)
• 13. Global Oxygen Concentrators For Hospitals & Clinics Market Share By Region, 2023 Vs 2031 (%)
• 14. Global Oxygen Concentrators For Home Care Settings Market Share By Region, 2023 Vs 2031 (%)
• 15. Global Oxygen Concentrators For Ambulatory Surgical Centers & Physician Offices Market Share By Region, 2023 Vs 2031 (%)
• 16. Global Oxygen Concentrators Market Share by Region, 2023 Vs 2031 (%)
• 17. US Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 18. Canada Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 19. UK Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 20. France Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 21. Germany Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 22. Italy Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 23. Spain Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 24. Rest Of Europe Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 25. India Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 26. China Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 27. Japan Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 28. South Korea Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 29. Rest Of Asia-Pacific Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 30. Latin America Oxygen Concentrators Market Size, 2023-2031 ($ Million)
• 31. Middle East And Africa Oxygen Concentrators Market Size, 2023-2031 ($ Million)

Global Oxygen Concentrators Market Size, Share & Trends Analysis Report by Type (Portable, and Fixed), by Technology (Continuous flow, and Pulse flow) by Application (Chronic Obstructive Pulmonary Disease (COPD), Asthma, Respiratory Distress, and Others)), and by End-User (Hospitals & Clinics, Home Care Settings, and Ambulatory Surgical Centers & Physician Offices)) Forecast Period (2024-2031)

The global oxygen concentrators market is anticipated to grow at a considerable CAGR of 8.5% during the forecast period (2024-2031). The global oxygen concentrator market is expanding owing to factors such as respiratory disorders, aging population, technological advancements, home healthcare, COVID-19, healthcare expenditure, government initiatives, and increased awareness about oxygen therapy. These devices extract oxygen from the air for higher concentrations.

Market Dynamics

Growing prevalence of high disease burden across the globe

Chronic Obstructive Pulmonary Disease (COPD) significantly contributes to the global respiratory disease burden, necessitating effective respiratory therapy solutions such as oxygen therapy, with oxygen concentrators playing a vital role in addressing health issues and mortality rates. According to the Australian Institute of Health and Welfare, in December 2023, individuals diagnosed with COPD experienced higher rates of self-reported health issues, psychological distress, and bodily pain compared to those without the condition. COPD accounted for 3.6% of the overall disease burden and 50.0% of the respiratory disease burden in 2023. Moreover, an estimated $831.6 million was allocated for COPD treatment and management in 2020-21, which constituted 0.6% of total health system expenditure and 18.0% of respiratory condition expenditure. Additionally, COPD was the cause of fatalities in 7,018 individuals in 2021, representing 4.1% of all recorded mortalities.

Increasing demand for technological advancements in oxygen concentrator

The innovations in oxygen concentrator technology, including advanced features such as remote monitoring and smart connectivity, are driving market growth, improving patient comfort and treatment outcomes. According to the United Nations Children's Fund (UNICEF), in August 2021, a total of 62,046 oxygen concentrators were shipped to 104 countries, with a cumulative value of over $46.2 million. Notably, a Chinese trade company received orders for 12,788 oxygen concentrators worth more than $7.8 million.

Market Segmentation

Our in-depth analysis of the global oxygen concentrators market includes the following segments by technology, process, applications, and end-user,

• Based on type, the market is sub-segmented into portable, and fixed.
• Based on technology, the market is bifurcated into continuous flow and pulse flow.
• Based on application, the market is sub-segmented into Chronic Obstructive Pulmonary Disease (COPD), asthma, respiratory distress, and others (sleep apnea, interstitial lung disease, interstitial fibrosis, cystic fibrosis of lungs, postoperative care)
• Based on end-users, the market is segmented into hospitals & clinics, home care settings, and ambulatory surgical centers & physician offices.

Portable is Projected to Emerge as the Largest Segment

Based on the type, the global oxygen concentrators market is sub-segmented into portable, and fixed. Among these, the portable sub-segment is expected to hold the largest share of the market. The primary factor supporting the segment's growth includes advanced technologies in oxygen concentrator production, with manufacturers focusing on designing products with improved efficacy and cost-effectiveness to meet increasing demand. For instance, in June 2021, Servotech Power Systems launched medical-grade oxygen concentrators. It planned to introduce 1,00,000 oxygen concentrators in India, with prices starting at $419.81. It collaborated with IISER Bhopal and IIT Jammu, to produce locally and supply hospitals, foundations, and other healthcare facilities with its products.

Home Care Settings Sub-segment to Hold a Considerable Market Share

The trend towards home-based healthcare is increasing owing to rising costs, telemedicine advancements, and patient-centered care, reducing hospital visits and improving patient outcomes. For instance, in April 2023, OxyGo, launched its latest product, the OxyHome 5L Stationary Concentrator. This is designed to provide a continuous oxygen flow of up to 5L per minute for home use. It is a sleek, compact device with a twin blower cooling design, quiet operation, and a 3-year replacement warranty for daily activities.

Regional Outlook

The global oxygen concentrators market is further segmented based on geography including North America (the US, and Canada), Europe (UK, Italy, Spain, Germany, France, and the Rest of Europe), Asia-Pacific (India, China, Japan, South Korea, and Rest of Asia-Pacific), and the Rest of the World (the Middle East & Africa, and Latin America).

Increasing Demand for Healthcare Facilities Drives Market Growth in the Asia-Pacific

India's growing demand for specialized healthcare facilities is boosting the need for advanced medical equipment, including oxygen concentrators, to support respiratory therapy in hospitals, clinics, and home care settings. According to the International Trade Administration (.gov), in January 2024, the Indian healthcare industry experienced significant growth, with its market size expanding from over $370.0 billion in 2022 to a projected $610.0 billion by 2026. This growth is attributed to the increasing demand for specialized and higher-quality healthcare facilities. Furthermore, public spending on healthcare in India is expected to rise from two percent of GDP in 2022 to 2.5% by 2025, with a particular emphasis on providing healthcare services to underprivileged populations. As a result, the medical equipment sector is poised for corresponding growth.

North America Holds Major Market Share

The rise in healthcare expenditure and infrastructure expansion in growing economies has increased the investment in respiratory care equipment such as oxygen concentrators. According to the American Medical Association, in March 2023, health spending in the U.S. reached a total of $4.3 trillion, equivalent to $12,914.0 per capita. This represents a significant decrease in growth compared to the previous year, with a growth rate of only 2.7%. The decline in pandemic-related government expenditures offset the increased utilization of medical goods and services, which rebounded due to delayed care and pent-up demand from 2020.

The major companies serving the global oxygen concentrators market include CAIRE Inc., DeVilbiss Healthcare GmbH, Invacare Corp., Inogen Inc., and Nidek Medical Products Inc., among others. The market players are increasingly focusing on business expansion and product development by applying strategies such as collaborations, mergers, and acquisitions to stay competitive in the market. For instance, in August 2023, VGM & Associates partnered with O2 Concepts, a provider of portable oxygen concentrators, to offer continuous flow and high-volume pulse dose oxygen therapy in a 24/7 environment, and their proprietary DNA Technology connectivity solution.

Table of Contents

1. Report Summary

• Current Industry Analysis and Growth Potential Outlook
• 1.1. Research Methods and Tools
• 1.2. Market Breakdown
  • 1.2.1. By Segments
  • 1.2.2. By Region

2. Market Overview and Insights

• 2.1. Scope of the Report
• 2.2. Analyst Insight & Current Market Trends
  • 2.2.1. Key Industry Trends
  • 2.2.2. Recommendations
  • 2.2.3. Conclusion

3. Competitive Landscape

• 3.1. Key Company Analysis
• 3.2. Avanos Medical, Inc.
  • 1.1.1. Overview
  • 1.1.2. Financial Analysis
  • 1.1.3. SWOT Analysis
  • 1.1.4. Recent Developments
• 3.3. ESAB Corp.
  • 1.1.5. Overview
  • 1.1.6. Financial Analysis
  • 1.1.7. SWOT Analysis
  • 1.1.8. Recent Developments
• 1.2. Inogen Inc.
  • 1.2.1. Overview
  • 1.2.2. Financial Analysis
  • 1.2.3. SWOT Analysis
  • 1.2.4. Recent Developments
• 1.3. Key Strategy Analysis

2. Market Segmentation

• 2.1. Global Oxygen Concentrators Market by Type
  • 2.1.1. Portable
  • 2.1.2. Fixed
• 2.2. Global Oxygen Concentrators Market by Technology
  • 2.2.1. Continuous flow
  • 2.2.2. Pulse flow
• 2.3. Global Oxygen Concentrators Market by Application
  • 2.3.1. Chronic Obstructive Pulmonary Disease (COPD)
  • 2.3.2. Asthma
  • 2.3.3. Respiratory Distress
  • 2.3.4. Others (Sleep Apnea, Interstitial Lung Disease, Interstitial Fibrosis, Cystic Fibrosis Of Lungs, Postoperative Care)
• 2.4. Global Oxygen Concentrators Market by End-User
  • 2.4.1. Hospitals & clinics
  • 2.4.2. Home care settings
  • 2.4.3. Ambulatory surgical centers & physician offices

3. Regional Analysis

• 3.1. North America
  • 3.1.1. United States
  • 3.1.2. Canada
• 3.2. Europe
  • 3.2.1. UK
  • 3.2.2. Germany
  • 3.2.3. Italy
  • 3.2.4. Spain
  • 3.2.5. France
  • 3.2.6. Rest of Europe
• 3.3. Asia-Pacific
  • 3.3.1. China
  • 3.3.2. India
  • 3.3.3. Japan
  • 3.3.4. South Korea
  • 3.3.5. Rest of Asia-Pacific
• 3.4. Rest of the World
  • 3.4.1. Latin America
  • 3.4.2. The Middle East & Africa

4. Company Profiles

• 4.1. Beijing North Star Co. Ltd.
• 4.2. BESCO MEDICAL Ltd.
• 4.3. BOC Ltd.
• 4.4. CAIRE Inc.
• 4.5. DeVilbiss Healthcare GmbH
• 4.6. ETW International
• 4.7. Foshan Keyhub Electronic Industries Co., Ltd.
• 4.8. GVS S.p.A.
• 4.9. Inova Health System Foundation (Inova)
• 4.10. Invacare Corp.
• 4.11. Nidek Medical Products Inc.
• 4.12. O2 Concepts, LLC
• 4.13. Oxus America
• 4.14. Oxygen Plus, Inc.
• 4.15. OxyGo HQ Florida, LLC.
• 4.16. Precision Medical, Inc.
• 4.17. Teijin Ltd.