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Related Concept Videos

Sleep Apnea01:21

Sleep Apnea

224
Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
224
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

980
Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
980
Administering Oxygen by Mask01:30

Administering Oxygen by Mask

767
Administering Oxygen by Mask
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:
767
Oxygen Delivering System I: Nasal Cannula and Face Mask01:26

Oxygen Delivering System I: Nasal Cannula and Face Mask

626
The human body requires oxygen to function, and when the natural process of respiration is hindered, external devices, including the following, are needed to help deliver this vital gas.
Nasal Cannula
A nasal cannula is a lightweight tube split at one end into two prongs and placed in the nostrils. It is typically used to deliver low to medium levels of oxygen.
Suggested flow rate: The suggested flow rate for a nasal cannula typically ranges between 1 and 6 L/min.
Oxygen percentage setting:...
626

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Related Experiment Video

Updated: Sep 15, 2025

Multi-Modal Home Sleep Monitoring in Older Adults
07:40

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Developing Custom-Fit CPAP Mask Prototype in Patients With Obstructive Sleep Apnea.

Rutvi Sheth1, Soham Sheth2, Michel Audette3

  • 1Deep Creek High School, Chesapeake, Virginia, USA.

Journal of Sleep Research
|July 17, 2025
PubMed
Summary

Custom 3D-printed CPAP masks improve fit for obstructive sleep apnea (OSA) patients. This affordable technology offers a promising solution to enhance comfort and adherence in continuous positive airway pressure (CPAP) therapy.

Keywords:
3D facial scan3D printingCPAPcustom‐fit CPAP maskobstructive sleep apnearesin printed CPAP mask

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Area of Science:

  • Biomedical Engineering
  • Medical Device Development
  • Sleep Medicine

Background:

  • Obstructive sleep apnea (OSA) is prevalent and associated with significant cardiovascular risks.
  • Continuous positive airway pressure (CPAP) is the gold standard treatment for OSA.
  • Poor mask fit, often due to limited sizing, is a major barrier to CPAP therapy adherence.

Purpose of the Study:

  • To investigate the feasibility of creating custom-fit CPAP masks using accessible 3D technologies.
  • To develop a prototype for personalized CPAP masks addressing fit and comfort issues.
  • To assess the potential for in-office fabrication of custom CPAP masks.

Main Methods:

  • Utilized 3D facial scanning (Structure Sensor) and computer-aided design (Autodesk Fusion 360) for personalized mask design.
  • Fabricated prototypes using masked stereolithography (MSLA) 3D printing with standard resin.
  • Incorporated medical-grade foam lining for enhanced comfort and safety evaluations (flow rate, pressure drop, CO2 rebreathing).

Main Results:

  • Successfully developed a custom-fit CPAP mask prototype.
  • Estimated production cost per mask is approximately $25.
  • Prototype met key safety evaluation criteria for airflow and CO2 levels.

Conclusions:

  • Affordable 3D scanning, CAD, and printing enable in-office fabrication of custom CPAP masks.
  • This approach shows potential for improving patient comfort, mask fit, and CPAP adherence.
  • Further biocompatibility testing and user feedback are necessary for clinical implementation.