Medication Delivery Device Using Pneumatic Acceleration
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Solution Overview
Problem
Current medication delivery systems for pulmonary medicine, such as inhalers and nebulizers, face challenges including imprecise dosing, exposure to active pharmaceutical ingredients, and difficulties in accommodating various types of medications and patient abilities, leading to suboptimal therapeutic outcomes.
Innovation Solution
A medication delivery assistance device and system that includes a chamber housing with input and output ports, an inhaler, and an external fluid source, which uses sensors and computing devices to analyze respiratory patterns, synchronize medication delivery with inhalation, and adjust delivery parameters for improved efficacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If nebulizers are used to deliver medication, then passive tidal breathing is required which simplifies patient operation, but delivery time is significantly longer and dosing precision is reduced
Solution Approach 1:
The patent employs pneumatic principles by using a compressed gas reservoir and flow regulator to generate controlled gas flow that propels medication through the chamber. This pneumatic mechanism enables rapid medication delivery while maintaining simple patient operation through automatic flow activation upon inhalation.
Solution Approach 2:
The system changes the flow parameters dynamically by adjusting gas flow rate and volume based on patient inhalation detection. The flow regulator modifies these parameters in real-time to optimize delivery speed while ensuring adequate medication transport, resolving the contradiction between fast delivery and ease of operation.
2Ease of operation
If nebulizers are used to deliver medication, then passive tidal breathing is required which simplifies patient operation, but dosing precision is reduced
Solution Approach 1:
The system incorporates feedback mechanisms where sensors detect patient inhalation and trigger medication release. This feedback loop ensures that medication is delivered only when needed and in precise amounts, maintaining dosing accuracy while keeping operation simple for patients.
Solution Approach 2:
The patent replaces manual mechanical dosing control with an automated system that uses sensors and flow regulation to precisely control medication delivery. This substitution maintains operational simplicity while achieving precise dosing through electronic and pneumatic control mechanisms.
3Loss of time
If traditional inhalers are used, then portable and time-efficient delivery is achieved, but patient coordination ability is required which reduces ease of operation
Solution Approach 1:
The system performs self-service by automatically detecting patient inhalation through sensors and triggering medication release without requiring patient coordination. The device serves itself by monitoring its own operational conditions and activating the appropriate functions, eliminating the need for synchronized patient action while maintaining rapid delivery.
Solution Approach 2:
Inhalation detection sensors provide feedback to the control system, which automatically activates medication delivery. This feedback mechanism removes the coordination burden from patients while preserving the time-efficient delivery characteristic of traditional inhalers.
4Ease of operation
If valved holding chambers are used, then inhalation coordination is improved, but not all patients can inhale with sufficient force to deliver medication
Solution Approach 1:
The system uses pneumatic assistance by introducing compressed gas flow to propel medication through the chamber. This pneumatic force supplement reduces the inhalation force requirement for patients while maintaining effective medication delivery and coordination.
Solution Approach 2:
The compressed gas flow acts as a counterbalancing force that compensates for insufficient patient inhalation force. This anti-weight principle applies here by providing an opposing pneumatic force that ensures medication delivery even when patient inhalation strength is inadequate.
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 system enhances the precision and efficiency of medication delivery, reduces exposure risks, and accommodates a wider range of medications and patient abilities, leading to improved therapeutic outcomes and patient compliance.
Implementation Method 1
an external fluid source that is configured to deliver a fluid into the chamber to accelerate movement of the medication along the flow path
Data Source
AI summary
A medication delivery assistance device includes a chamber housing that defines an interior space. A first input port is at a first end of the chamber housing, an output port is at a second end of the chamber housing, and a second input port is in the chamber housing. The first input port is configured to receive a portion of an inhaler that is configured to deliver medication into the interior space. The output port has a user interface that is configured to define a medication flow path from the first input port through the interior space and out the output port. The second input port is configured to receive at least a portion of an external fluid source that is configured to deliver a fluid into the interior space to accelerate movement of the medication along the medication flow path.