Tactile Medication Dispenser for Visually Impaired Users
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Solution Overview
Problem
Individuals with visual impairments, particularly aging seniors and those who are blind, face significant challenges in administering medications correctly due to difficulties in reading labels and managing complex medication regimens, leading to increased risks of adverse drug events and overdose.
Innovation Solution
A medication dispensing system that includes a self-contained housing with a controller and a series of medicine bottles with raised bumps indicating days of the week and times of day, which are designed to be easy to use and reduce errors, even for individuals with low vision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional medication bottles with printed labels are used, then medication information can be displayed, but individuals with visual impairments cannot read or understand the labels, leading to medication errors
Solution Approach 1:
The patent uses color-coded caps and raised tactile bumps with color differentiation to indicate different medications and dosages. Individuals with visual impairments can identify medications through tactile feedback from raised bumps and color contrasts, eliminating the need to read printed labels while maintaining accurate medication identification.
Solution Approach 2:
The medication bottle is segmented into distinct tactile components including raised bumps, color-coded caps, and separate compartments for different medications. This segmentation allows individuals with visual impairments to distinguish between different medications through tactile and visual (color) cues rather than relying on text labels.
2Adaptability or versatility
If complex medication regimens are provided, then patient health needs are met, but individuals with visual impairments and aging seniors struggle to manage the complexity, increasing medication errors
Solution Approach 1:
The system pre-organizes medications in a weekly dispenser with medications arranged by day and time of administration. The dispenser automatically presents the correct medication at the correct time through tactile indicators and color coding, eliminating the need for individuals to manage complex regimens independently while maintaining full regimen flexibility.
Solution Approach 2:
The weekly medication dispenser acts as an intermediary system between the complex medication regimen and the user. It translates the complexity of multiple medications, dosages, and timing requirements into simple tactile and visual cues, reducing the cognitive and visual load on users while maintaining comprehensive medication management.
3Reliability
If caregivers are provided to assist with medication management, then medication errors are reduced, but costs increase significantly
Solution Approach 1:
The weekly medication dispenser enables individuals with visual impairments and aging seniors to self-manage their medications independently through tactile and color-coded indicators. The system provides autonomous medication administration guidance, eliminating the need for continuous caregiver assistance while maintaining high medication administration safety.
Data Source
AI summary
A system of the present disclosure has a housing that has at least one vertical channel for housing a plurality of medicine bottles laterally stacked in the channel, the channel has a first gate positioned above a trough and positioned such that when open, the first gate is beneath a first of the plurality of medicine bottles. Further, the channel has a second gate positioned above the first gate and positioned such that when open, the second gate is beneath a second of the plurality of medicine bottles, the second of the plurality of medicine bottles atop the first of the plurality of medicine bottles. The housing further comprising a trough for catching falling medicine bottles. The system further has a processor that sends a signal to a first servo motor coupled to the first gate at a predetermined time, the servo motor opening the first gate and allowing the first of the plurality of medicine bottles to fall into the trough. The processor further sends a signal to a second servo motor coupled to the second gate, the second servo motor opening the second gate and allowing the second of the plurality of medicine bottles to fall into a position where the first of the plurality of medicine bottles was held before the first of the plurality of medicine bottles fell into the trough.