Dry Powder Inhalation Timing for Uniform Animal Lung Dosing
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Solution Overview
Problem
Current methods for administering dry powder inhalation to animals are inefficient, lack uniformity in dosage, and are complicated, leading to inconsistent drug delivery and biased experimental results due to environmental and physiological influences on animal breathing.
Innovation Solution
A dry powder inhalation system comprising a breath detection device, drug delivery device, and computing device that monitors breathing states, evaluates stress, and controls drug delivery during non-stressed inhalation periods to ensure accurate and uniform drug administration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If autonomous breathing is used for dry powder inhalation in animals, then the operation is simple, but the dosage uniformity and effective inhalation cannot be ensured
Solution Approach 1:
The system uses breath detection devices to monitor the animal's breathing state in real-time and provides feedback to the control unit. The control unit adjusts the drug delivery timing and amount based on this feedback, ensuring that dry powder is delivered only during appropriate inhalation phases when the animal is not stressed, thereby achieving uniform dosage while maintaining operational simplicity.
Solution Approach 2:
The patent replaces the purely mechanical/autonomous breathing approach with an integrated system that incorporates sensors (breath detection devices), processors (control units), and actuators (drug delivery devices). This substitution of mechanical systems with electronic control mechanisms enables precise dosage delivery while maintaining ease of operation.
2Manufacturing precision
If complex drug delivery methods are used to ensure uniform dosage, then the dosage uniformity is improved, but the operation becomes too complicated for multiple administrations
Solution Approach 1:
The system allows the animal to breathe autonomously without human intervention for triggering inhalation. The breath detection device and control unit work together to automatically determine the optimal timing for drug delivery based on the animal's own breathing patterns, eliminating the need for complex manual operations while ensuring dosage uniformity.
Solution Approach 2:
The system dynamically adjusts delivery parameters (timing, amount, rate) based on real-time detection of breathing parameters. By changing these parameters adaptively rather than using fixed complex procedures, the system achieves dosage uniformity while keeping operations simple and suitable for multiple administrations.
3Speed
If drug delivery is performed during stressed inhalation periods, then the administration speed is fast, but the drug deposition pattern and effectiveness are reduced
Solution Approach 1:
The system performs preliminary detection of the animal's stress state and breathing phase before drug delivery. By identifying non-stressed inhalation periods in advance through breath detection, the system can timing the drug delivery to occur during these optimal periods, ensuring both rapid administration and effective drug deposition in the lungs.
Data Source
AI summary
A dry powder inhalation system includes a breath detection device, a drug delivery device, and a computing device. The breath detection device is configured to monitor the breathing state of an animal and transmit the signals of the breathing state. The drug delivery device is configured to deliver the dry powder orally or nasally to the lungs of the animal. The computing device is configured to receive the signals of the breathing state, evaluate a stress state of the animal, predict a breathing cycle of the animal, and control the drug delivery device to release the dry powder during a non-stressed inhalation period for the animal to inhale the dry powder autonomously. A dry powder administration method is also disclosed.