Wristwatch Active Substance Delivery with Radial Reservoirs
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Solution Overview
Problem
Existing devices for storing and administering active substances are cumbersome and limited to a single reservoir, requiring frequent refrigeration and multiple devices for multiple substances, hindering independent and free movement.
Innovation Solution
A compact, wristwatch-sized device with multiple silicone rubber reservoirs and a needle-free injection system, featuring a computer-controlled mechanism for precise delivery of active substances, including a refrigerant storage system for maintaining efficacy, and a filling station for easy refilling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple reservoirs with multiple active substances are accommodated, then the versatility and functionality of the device is improved, but the device complexity and size increase
Solution Approach 1:
The device divides the storage system into multiple separate reservoirs, each dedicated to a specific active substance. This segmentation allows independent management of each substance while maintaining overall system functionality. The mechanism is segmented into modular components including a rotatable outer ring for reservoir selection and an inner ring for controlled opening, enabling complex functionality through simple modular elements.
Solution Approach 2:
The mechanism employs dynamic rotational movement to select and access different reservoirs. The outer ring rotates to position the desired reservoir at the access point, while the inner ring dynamically opens and closes to control substance delivery. This dynamic operation allows a single mechanism to serve multiple reservoirs without requiring complex individual controls for each.
2Ease of operation
If the device is made compact and portable (wristwatch-sized), then the ease of movement and portability is improved, but the storage capacity and refrigeration capability are reduced
Solution Approach 1:
The device implements a nested structure where multiple reservoirs are arranged concentrically around a central refrigeration unit. The reservoirs are positioned in a radial pattern, with each reservoir nested within the overall circular housing. The refrigeration system is nested at the center, with thermal radiation elements extending outward to cool all reservoirs simultaneously. This nesting maximizes storage capacity within a compact wristwatch-sized form factor.
Solution Approach 2:
The device utilizes three-dimensional spatial arrangement by positioning reservoirs in a radial configuration around a central axis. Instead of linear stacking, the reservoirs are distributed in a circular pattern at different angular positions, effectively using the radial dimension to maximize storage capacity within a compact diameter suitable for wristwear.
3Manufacturing precision
If precise dosing and automated delivery is implemented, then the manufacturing precision and reliability is improved, but the device complexity and cost increase
Solution Approach 1:
The device incorporates a computer control system that monitors and tracks the delivery of active substances. The system receives feedback on the state of each reservoir and the operation status, enabling precise control of the opening and closing mechanism. The computer coordinates the rotational position of the outer ring with the opening timing of the inner ring to ensure accurate dosing, while automatically adjusting parameters to maintain delivery precision.
Solution Approach 2:
The mechanism is designed to automatically control the opening and closing of reservoirs based on pre-programmed sequences or user input, eliminating the need for manual intervention in the dosing process. The system self-regulates the timing and duration of reservoir opening to deliver precise doses, and automatically returns to the closed state after delivery, reducing operational complexity for the user.
4Reliability
If refrigeration is provided to maintain active substance efficacy, then the reliability and effectiveness is improved, but the energy consumption and device weight increase
Solution Approach 1:
The device replaces traditional mechanical compression refrigeration systems with a radiation-based cooling mechanism. Thermal radiation elements emit infrared radiation that directly cools the reservoirs without requiring mechanical compressors, condensers, or refrigerant circulation systems. This substitution dramatically reduces mechanical complexity and energy consumption while maintaining reliable refrigeration for preserving active substance efficacy.
Solution Approach 2:
The refrigeration system utilizes phase transition principles through thermal radiation, where the radiation elements emit energy that is absorbed by the reservoirs, causing localized phase changes in the cooling medium that facilitate heat transfer. This radiation-based phase transition mechanism enables efficient cooling without the energy-intensive mechanical compression cycles of conventional refrigeration systems.
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
Enables easy, independent, and precise administration of multiple active substances, maintaining their efficacy through refrigeration and allowing personalized, automated delivery, while preventing misuse and ensuring accurate dosing.
Implementation Method 1
a refrigerant storage means, in particular for liquid helium, is provided, whereby the active substances are cooled
Implementation Method 2
These injection devices transport, for example, liquid active substances through the skin of the user utilizing spring force which generates a high pressure
Implementation Method 3
The thrust ring can, for example, be filled with air, or due to its elastic material characteristics can compress the relatively soft reservoirs
Data Source
AI summary
A device for storing and administering active substances, including a plurality of reservoirs for respectively accommodating at least one active substance. The reservoirs are disposed in a radial manner with an end face facing the direction of the center of the device. A mechanism is mounted in the device to open and close the reservoirs. A needle-free injection device delivers at least one active substance to a user.