Condensation Aerosol Device for Deep Lung Nicotine Delivery
Solution Overview
Problem
Current nicotine replacement therapies and electronic cigarettes fail to deliver effective, customized doses of nicotine, leading to inadequate nicotine levels and increased relapse rates in smokers, as they often produce aerosol particles that are either too large to reach the deep lung or too small to be absorbed effectively, and lack integration with behavioral factors for smoking cessation.
Innovation Solution
A condensation aerosol generating device that produces aerosol particles with a mass median aerodynamic diameter of 1-5 µm, using a heater element and a reservoir with a positive displacement pump, capable of delivering nicotine in a controlled and customized manner to mimic the rapid pharmacokinetics of smoking, while incorporating features like inhalation sensors and programmable controllers for dosage regulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If aerosol particles are made smaller to reach the deep lung, then particle delivery to deep lung is improved, but particles become too light to gravitationally settle and are exhaled, resulting in low dose delivery
Solution Approach 1:
The patent applies parameter changes by precisely controlling aerosol particle size to fall within the 1-5 μm range. This specific parameter optimization ensures particles are small enough to reach deep lung alveoli while maintaining sufficient mass for gravitational settlement and absorption, resolving the contradiction between particle size for deep lung delivery and adequate dose delivery through proper parameter selection
Solution Approach 2:
The patent employs dynamic control of aerosol generation parameters including temperature, flow rate, and activation timing. The system dynamically adjusts heating temperature (300-800°C), airflow rates (1-10 LPM), and activation duration to produce consistent particle sizes within the optimal range, enabling reliable deep lung delivery with sufficient dosing
2Quantity of substance
If aerosol particles are made larger to gravitationally settle in alveoli, then deep lung delivery is improved, but particles become too large to reach the deep lung as they impact in the mouth and upper airway, resulting in slow pharmacokinetics
Solution Approach 1:
The patent resolves this contradiction by optimizing particle size parameters to the 1-5 μm range. This parameter selection balances gravitational settlement capability with sufficient aerodynamic properties to navigate the respiratory tract, preventing upper airway impaction while ensuring alveolar delivery and rapid pharmacokinetics
3Quantity of substance
If nicotine delivery is increased to satisfy cravings, then cessation effectiveness is improved, but harmful chemicals and carcinogens from combustible tobacco may also increase
Solution Approach 1:
The patent extracts and delivers only the beneficial component (nicotine) through aerosolization of nicotine-containing liquids, eliminating the harmful combustion byproducts (tar, carcinogens, carbon monoxide) associated with traditional cigarette burning. This selective delivery method provides effective nicotine dosing without the harmful chemical exposure
Solution Approach 2:
The patent converts the harmful combustion process into a beneficial vaporization process. By using controlled heating (300-800°C) to vaporize nicotine liquids instead of burning tobacco, the system eliminates harmful combustion chemicals while preserving nicotine delivery, effectively converting a harmful mechanism into a beneficial one
4Ease of operation
If current nicotine replacement therapies are used, then smoking cessation support is provided, but they fail to provide sufficient nicotine doses, resulting in break-through cravings and relapse
Solution Approach 1:
The patent employs dynamic dosing capabilities that allow users to control activation frequency and duration based on real-time craving intensity. This dynamic delivery system provides flexible, on-demand nicotine dosing that adapts to individual needs, overcoming the fixed-dose limitations of traditional NRTs and preventing break-through cravings
Solution Approach 2:
The patent incorporates feedback mechanisms including user monitoring of usage patterns, craving intensity assessment, and delivery optimization. The system tracks and analyzes user behavior to provide customized feedback and adjust dosing recommendations, creating a closed-loop system that responds to user needs and prevents relapse through timely intervention
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 device achieves rapid nicotine absorption similar to smoking, reducing cravings and aiding smoking cessation by delivering consistent and effective nicotine doses to the deep lung, while also providing tools for behavioral support and customized feedback.
Implementation Method 1
a heater element, capable of vaporizing the liquid formulation when the liquid formulation is delivered to the heater element
Implementation Method 2
the passageway is configured to produce a condensation aerosol in the device, wherein the condensation aerosol has a mass median aerodynamic diameter (MMAD) of from about 1 μm to about 5 μm
Implementation Method 3
a reservoir with a positive displacement pump, capable of delivering nicotine in a controlled and customized manner
Data Source
Figure 1~2B
Figure 3A~3B
Figure 4~6
AI summary
Provided herein are methods, devices, systems, and computer readable medium for delivering one or more compounds to a subject. Also described herein are methods, devices, systems, and computer readable medium for transitioning a smoker to an electronic nicotine delivery device and for smoking or nicotine cessation.