Automatic Delivery Device Triggering Mechanism for Accurate Dosing
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Solution Overview
Problem
Current drug delivery systems face challenges in administering combination therapies effectively, particularly in ensuring accurate dosing and preventing device/drug mix-ups, especially for users with dexterity issues or computational difficulties, and in maintaining the therapeutic ratio of multiple active agents during storage and delivery.
Innovation Solution
An automatic delivery device system with a dose injecting mechanism and a needle module that allows for separate storage and combination of active agents at the point of use, featuring a triggering mechanism activated by a needle guard to ensure proper dosing and prevent incorrect device attachments, thereby simplifying the administration process and ensuring accurate dosing without user-operated buttons.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a manual button-activated dosing mechanism is used, then users can control the dosing process, but users with dexterity issues or computational difficulties struggle to operate it correctly
Solution Approach 1:
The device automatically performs the dosing function without requiring manual button activation. The microprocessor controls the dosing mechanism based on pre-programmed parameters, allowing the device to serve itself rather than requiring user intervention for the actual dosing action.
Solution Approach 2:
The manual mechanical button-activation system is replaced with an automated electronic control system using a microprocessor. This substitution eliminates the need for users to physically press buttons while maintaining precise control over the dosing process through electronic programming.
2Device complexity
If multiple active agents are stored together in a single formulation, then delivery is simplified, but the agents may interact during storage compromising stability and therapeutic performance
Solution Approach 1:
The formulation is divided into separate compartments or reservoirs within the device, each containing a different active agent. This segmentation prevents direct contact and interaction between the agents during storage, maintaining their individual stability while allowing for controlled combination and delivery when needed.
Solution Approach 2:
A physical barrier or intermediary structure separates the multiple active agents within the device. This intermediary prevents direct interaction between the agents during storage while still allowing for their controlled mixing or simultaneous delivery at the point of use, thus maintaining stability without compromising delivery simplicity.
3Adaptability or versatility
If pre-mixed formulations of multiple active agents are used, then combination therapy delivery is simplified, but the fixed ratio of active components cannot be varied by healthcare professionals or users
Solution Approach 1:
The dosing system transitions from a static pre-mixed formulation to a dynamic adjustable system. The microprocessor allows real-time programming of different dosing ratios and amounts for each active agent, enabling the system to adapt to varying therapeutic requirements while maintaining a unified device structure.
Solution Approach 2:
The dosing parameters (amounts and ratios of different active agents) are made programmable and adjustable through the microprocessor. This allows healthcare professionals and users to change the dosing parameters according to therapeutic needs without altering the physical structure of the device, achieving versatility through software control.
4Measurement precision
If separate devices are used for each active agent, then dosing accuracy for each agent is maintained, but the administration process becomes complex and time-consuming
Solution Approach 1:
Multiple dosing mechanisms for different active agents are merged into a single integrated device controlled by one microprocessor. This allows simultaneous or sequential delivery of multiple agents through a unified system, maintaining individual dosing precision while eliminating the need for separate administration steps and reducing overall administration time.
Solution Approach 2:
The single device is designed with multi-functionality to handle multiple active agents, each with its own dosing control parameters. The microprocessor manages multiple dosing functions within one device, allowing precise delivery of different agents through a single administration act, thus combining precision with efficiency.
5Adaptability or versatility
If users must manually calculate and set correct dose combinations, then dosing can be customized, but users with computational difficulties cannot perform this task reliably
Solution Approach 1:
The manual calculation and setting process is replaced with electronic programming through the microprocessor. The device stores pre-programmed dosing regimens and can be easily configured through software interfaces, eliminating the need for users to perform manual calculations while maintaining full dosing customization capabilities.
Solution Approach 2:
The device automatically calculates and sets the correct dosing parameters based on programmed information. The microprocessor handles all computational tasks for determining dose combinations, freeing users from manual calculation requirements while still allowing customization through simple programming inputs.
Data Source
AI summary
The present patent application relates to delivery devices, methods, and systems of delivering at least one medicament from a reservoir using an automatic delivery device. Such an automatic delivery device system may comprise a dose injecting mechanism and a dispense interface, such as a needle module. The dose injecting mechanism comprises a triggering mechanism. An activating member, such as a needle guard of the needle module, can be used to initiate the triggering mechanism to enable the device to administer the set dose. The single dispense interface may comprise a medicated module containing at least one dose of a secondary medicament. The dose injecting mechanism may comprise a dose setting mechanism.