Child Safety Medication Dispenser Cap with Ratchet Lock
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Solution Overview
Problem
Existing child safety devices for medication dispensers do not effectively prevent underage access or reduce medication wastage and cross-contamination, and lack features for indicating the last access time.
Innovation Solution
A child safety device with a ratchet and pawl mechanism that allows the top cap to rotate only in one direction, featuring internal stops for locked configurations and indicia for twice-daily administration schedules, integrated with a push button to manage medication dispensing and reduce wastage, while maintaining visibility of the last access time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If a traditional uncapping lid is used to pour out tablets/capsules, then the medication can be accessed, but the number of capsules/tablets being dispensed at a single attempt is not controlled and cross contamination occurs
Solution Approach 1:
The cap is divided into multiple segments or zones with individual dispensing openings, allowing controlled release of a limited number of capsules/tablets at a time. This segmentation prevents excessive dispensing and cross-contamination while maintaining ease of access.
Solution Approach 2:
A dispensing mechanism acts as an intermediary between the medication storage and the user, controlling the flow and quantity of capsules/tablets released. This intermediary mechanism ensures precise dispensing control without complicating the overall operation.
2Reliability
If a child safety device with locking mechanism is implemented, then underage access is prevented, but the device complexity increases
Solution Approach 1:
The locking mechanism is designed to be automatically engaged and disengaged through the normal operation of the cap, eliminating the need for separate locking actions. The mechanism self-activates based on cap position, reducing complexity while maintaining child safety.
Solution Approach 2:
The locking mechanism is integrated with the cap structure and dispensing mechanism, combining multiple functions into a single unified system. This merging reduces the number of separate components and simplifies the overall device while maintaining safety functionality.
3Loss of information
If indicia are added to show last access time, then medication schedule tracking is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The indicia system uses color changes or color-coded markers to indicate the last access time and medication schedule status. This visual coding system provides clear information without requiring complex mechanical or electronic components, reducing device complexity.
Solution Approach 2:
The indicia system uses simple visual copies or representations of time information rather than complex display mechanisms. The indicia provide a straightforward visual record of last access time without requiring sophisticated tracking technology.
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 securely prevents underage access, reduces medication wastage by controlling the amount dispensed per attempt, and keeps the last access time visible, ensuring efficient and economical operation.
Implementation Method 1
The top cap is internally engaged by a ratchet gear and pawls to permit it to rotate only in one direction
Implementation Method 2
including internal stops that affix the top cap in predetermined positions
Data Source
AI summary
A child safety device for medication dispenser including a bottom cap assembly, a top cap assembly. The bottom cap assembly is secured on top of a medication dispenser such as prescription bottles. The bottom cap assembly further includes pawls and a lever lock. On a top surface, the bottom cap includes at least one dosing aperture and dosage regimen indicia. The top cap assembly includes a top cap having an internal ratchet gear that, when mounted upon the bottom cap assembly, interacts with the pawls to permit rotation in only one direction. The top cap further includes stops that are configured to affix the top cap in predetermined positions. The present invention has a 2-step process, by depressing the arm lever to disengage it along the ratchet and pawl system. The user would then twist to move the cap to its respective indicia for its desired scheduling or to their dispensing opening.