Sec. 135.91 Oxygen and portable oxygen concentrators for medical use by passengers. (a) Except as provided in paragraphs (d) and (e) of this section, no certificate holder may allow the carriage or operation of equipment for the storage, generation, or dispensing of medical oxygen unless the conditions in paragraphs (a) through (c) of this section are satisfied. Beginning August 22, 2016, a certificate holder may allow a passenger to carry and operate a portable oxygen concentrator when the conditions in paragraphs (b) and (f) of this section are satisfied.

The article cited AMA's "Global Medical oxygen concentrators and oxygen cylinders Market Study" explored CAGR of 8.7%. According to the report, Technological improvements in medical oxygen concentrators is one of the primary growth factors for the market. The increasing number of government initiatives for COPD awareness is also expected to contribute significantly to the Medical oxygen concentrators and oxygen cylinders market. Overall, Copd applications of Medical oxygen concentrators and oxygen cylinders, and the growing awareness of them, is what makes this segment of the industry important to its overall growth. The Technology, such as Continuous Flow, is boosting the Medical oxygen concentrators and oxygen cylinders market. Additionally, the rising demand from SMEs and various industry verticals, macro-economic growth are the prime factors driving the growth of the market.The End User, such as Home care, is boosting the Medical oxygen concentrators and oxygen cylinders market. Additionally, the rising demand from SMEs and various industry verticals, macro-economic growth are the prime factors driving the growth of the market.

New technologies and major shifts in the industry will be game-changing factors that all players have to react now in order to maintain strong positions in the future. As many industry experts agree that significant changes are ahead. AMA’s Analyst on the Global Medical oxygen concentrators and oxygen cylinders market identified that the demand is rising in many different parts of the world as "The outburst of the covid 19 is booming the huge growth opportunities Medical oxygen concentrators and oxygen cylinders". Furthermore, some recent industry insights like "In September 2021, Inogen, Inc., a medical technology company offering innovative respiratory products for use in the homecare setting, today announced an agreement to enhance its go-to-market capabilities with Ashfield Healthcare, LLC, part of UDG Healthcare (“Ashfield”). Under the agreement, Ashfield will add approximately twenty dedicated sales representatives to Inogen’s prescriber sales organization, and provide access to its best-in-class proprietary insights and data, including the specialized healthcare intelligence platform Gravity.ai, to support Inogen’s growth strategy and drive performance in the clinician sales channel." which is constantly making the industry very dynamic.

The report provides an in-depth analysis and forecast about the industry covering the following key features:
o Industry outlook including current and future market trends, drivers, restraints, and emerging technologies
o Analyses the Global Medical oxygen concentrators and oxygen cylinders market according to Type, Application, and regions
o Analyzes the top 10 players in terms of market reach, business strategy, and business focus
o Provides stakeholders’ insights and key drivers & trends of the market

**The market is valued based on weighted average selling price (WASP) and includes any applicable taxes on manufacturers. All currency conversions used in the creation of this report have been calculated using constant annual average 2023 currency rates.

Market Size Estimation
In market engineering method, both top-down and bottom-up approaches have been used, along with various data triangulation process, to predict and validate the market size of the Medical oxygen concentrators and oxygen cylinders market and other related sub-markets covered in the study.

o Key & emerging players in the market have been observed through secondary research.
o The industry’s supply chain and overall market size, in terms of value, have been derived through primary and secondary research processes.
o All percentage shares, splits, and breakdowns have been determined using secondary sources and verified through primary sources.

Data Triangulation
The overall Medical oxygen concentrators and oxygen cylinders market size is calculated using market estimation process, the Medical oxygen concentrators and oxygen cylinders market was further split into various segments and sub-segments. To complete the overall market engineering and arriving at the exact statistics for all segments and sub-segments, the market breakdown and data triangulation procedures have been utilized, wherever applicable. The data have been triangulated by studying various influencing factors and trends identified from both demand and supply sides of various applications involved in the study. Along with this, the Global Medical oxygen concentrators and oxygen cylinders market size has been validated using both top-down and bottom-up approaches.