Pediatric Inhaler Visual Feedback Mobile Element
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Solution Overview
Problem
Pediatric patients often refuse to inhale aerosolized medication due to fear or inability to remain calm, making it difficult for caregivers to determine if they are correctly receiving the therapy, leading to inefficiency in inhalation treatment.
Innovation Solution
A medication inhaler with a visual feedback system that includes a mobile element within a venting channel, which moves visibly when the patient exhales, indicating proper inhalation and allowing caregivers to confirm breathing and assess treatment efficacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a medication inhaler is used for pediatric patients, then aerosolized medication can be delivered to the patient's lungs, but the patient may refuse to inhale due to fear or inability to remain calm, making it difficult to confirm proper therapy delivery
Solution Approach 1:
The patent implements a visual feedback system using a movable element (such as a ball or indicator) that moves in response to patient exhalation. When the patient exhales through the inhaler, the movable element is pushed by the exhaled gas flow and becomes visible through a transparent or translucent portion of the device, providing immediate visual confirmation to caregivers that the patient is properly inhaling and exhaling the medication.
2Productivity
If multiple breaths are required for full medication dosage, then efficient drug delivery is achieved, but pediatric patients cannot stay calm long enough to complete the required breaths
Solution Approach 1:
The visual feedback mechanism provides immediate and continuous confirmation of proper inhalation and exhalation, allowing caregivers to monitor whether the patient is completing the required number of breaths. This real-time feedback enables caregivers to guide and encourage the patient through the full medication delivery process, ensuring the complete dosage is received even though multiple breaths are required.
3Loss of information
If no visual indication is provided, then the device structure remains simple, but caregivers cannot immediately know whether the patient is correctly inhaling the gaseous therapy
Solution Approach 1:
A movable visual indicator element is integrated into the inhaler structure. This element is positioned within the internal chamber and can move freely along a defined path. When the patient exhales, the gas flow pushes the indicator toward an outlet where it becomes visible through a transparent or translucent section of the housing, providing clear visual feedback without requiring complex electronic or optical systems.
Solution Approach 2:
The movable indicator element may be designed with contrasting colors or visual characteristics that make it easily visible against the background of the device. The indicator's movement from a hidden position to a visible position creates a clear visual signal that can be easily observed by caregivers, enhancing the feedback mechanism's effectiveness.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The visual feedback system ensures immediate confirmation of inhalation, enhancing treatment efficiency by providing clear evidence of medication delivery and breath count, thus improving the effectiveness of aerosol therapy for pediatric patients.
Implementation Method 1
said mobile element moving 'back and forth' into the venting channel, when the paediatric patient breathes gas
Implementation Method 2
a one-way valve is arranged in the inner compartment and configured for allowing gas to circulate: i) from the hollow chamber of the housing to the outlet of the top cover, when the patient inhales gas, and ii) from the outlet of the top cover to the venting channel, when the patient exhales gas
Data Source
Figure 1~3
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Figure 7~10
AI summary
The invention concerns a medication inhaler (1) for aerosol therapy according to a patient, especially a paediatric patient, comprising a housing (2), a top cover (5) fixed to the housing (2) and an inner compartment (6) arranged between said housing (2) and said top cover (5). The housing (2) comprises a hollow chamber (3) with an exit orifice (4), and the top cover (5) comprises an outlet (7), said exit orifice (4) of the hollow chamber (3) and said outlet (7) of the top cover (5) being in fluid communication with the inner compartment (6). A venting channel (9) comprising an entry port (9a) and a venting port (9b), is in fluid communication with the inner compartment (6) via the entry port (9a) and further with the atmosphere via the venting port (9b). A one-way valve (8) is arranged in the inner compartment (6). According to the invention, the venting channel (9) comprises visual feedback system comprising a mobile element (10) that moves into said venting channel (9) in the direction of the venting port (9b), when the patient exhales gas through the outlet (7) of the top cover (5). Aerosoltherapy assembly comprising such a medication inhaler and an aerosol drug delivery (ADD) device plugged into it.