Nasal Interface Ventilation Device with Headgear
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Solution Overview
Problem
Current methods for manual lung ventilation, such as mouth-to-mouth resuscitation and the use of ventilation bags with full face masks, are complex and require specialized training, posing safety concerns and accessibility issues for non-medical professionals.
Innovation Solution
A manual lung ventilation device with a nasal interface and flexible chamber attached to headgear, allowing for easy and secure positioning on a person, enabling one-handed operation and effective lung ventilation without the need for extensive training.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If mouth-to-mouth resuscitation or full face mask ventilation is used, then lung ventilation can be achieved, but the device complexity and training requirements increase
Solution Approach 1:
The device is segmented into distinct functional components: a nasal interface that fits only the nose, a flexible chamber for manual ventilation, and a headgear for securing. This segmentation allows each component to be optimized independently and simplifies the overall operation compared to full face masks.
Solution Approach 2:
Instead of covering the entire face with a full face mask, the invention inverts the approach by using a nasal interface that covers only the nose. This inversion simplifies the device structure and reduces the training required for proper application while maintaining effective ventilation capability.
2Reliability
If full face mask ventilation is used, then effective lung ventilation is achieved, but positioning and securing becomes more difficult
Solution Approach 1:
The nasal interface is designed with local quality features specifically tailored for nasal anatomy, including a shape that conforms to the nose and sealing characteristics optimized for the nasal passages. This localized design ensures reliable ventilation while simplifying positioning compared to full face masks that must accommodate the entire face.
Solution Approach 2:
The headgear is designed to automatically position and secure the nasal interface when donned, reducing the need for complex adjustment procedures. The elastic straps and structural design allow the device to self-adjust to the user's head shape, ensuring reliable positioning with minimal user intervention.
3Reliability
If traditional ventilation devices are used, then lung ventilation can be provided, but safety concerns regarding infectious disease transmission arise
Solution Approach 1:
The invention extracts the mouth-to-mouth contact element from the ventilation process by using a nasal interface with a flexible chamber. This removes the direct physical contact between rescuer and patient that exists in mouth-to-mouth resuscitation, thereby eliminating the primary vector for infectious disease transmission while maintaining ventilation effectiveness.
Solution Approach 2:
The flexible chamber acts as an intermediary between the rescuer's breath and the patient's lungs, allowing ventilation to be delivered through the nasal passages without direct mouth-to-mouth contact. This intermediary mechanism maintains ventilation reliability while reducing infectious disease risk by breaking the direct contact pathway.
4Adaptability or versatility
If non-medical professionals use traditional ventilation methods, then accessibility is limited due to training requirements, but simplified devices may compromise ventilation effectiveness
Solution Approach 1:
The device incorporates self-service features including automatic positioning through the headgear design, self-sealing mechanisms in the nasal interface, and intuitive operation of the flexible chamber. These features enable non-medical professionals to effectively operate the device without extensive training while maintaining ventilation reliability.
Solution Approach 2:
The nasal interface is designed with universal applicability to accommodate various nose shapes and sizes, and the headgear is configured to fit different head types. This universality allows the device to be effectively used by a broad range of users including non-medical professionals while maintaining consistent ventilation effectiveness across different users.
Data Source
AI summary
A manual lung ventilation device and method suitable for acute manual respiratory resuscitation and lung ventilation of a person are disclosed. The manual lung ventilation device includes a nasal interface in fluid communication with a flexible chamber. The nasal interface being held in the proper position on the person by a headgear and at least one securing device adapted to connect the nasal interface to the headgear. The device may be formed as a single component to allow an operator to rapidly position the device on the person to be ventilated and operate the device with one hand.