Pivoting Medication Cap with Locking Lever for Ambidextrous Use
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Solution Overview
Problem
Existing medication dispenser caps do not accommodate ambidextrous users and often result in cross-contamination and inefficient dispensing of medication.
Innovation Solution
A pivoting cap with a locking mechanism for medication dispensers that can rotate both clockwise and counterclockwise, featuring a lever arm that disengages the locking lever from slots to allow rotation, and includes indicia for a daily administration schedule.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed cap design is used, then the structure is simple, but it cannot accommodate ambidextrous users and limits rotation direction
Solution Approach 1:
The cap transitions from a fixed design to a pivoting design that can rotate in multiple directions. The pivoting mechanism allows the cap to rotate both clockwise and counterclockwise, adapting to different user preferences (ambidextrous users) while maintaining a relatively simple overall structure.
Solution Approach 2:
The locking mechanism uses asymmetric slot positioning on the cap interior surface, allowing the locking lever to engage at multiple positions. This asymmetric arrangement enables bidirectional rotation capability while maintaining structural simplicity through the use of basic geometric features.
2Productivity
If the cap is opened fully to pour medication, then dispensing is efficient, but cross-contamination occurs
Solution Approach 1:
The pivoting cap allows partial opening at controlled angles rather than requiring full opening for dispensing. Users can open the cap to a sufficient angle to access medication without completely exposing the contents, thereby reducing cross-contamination while maintaining dispensing efficiency.
Solution Approach 2:
The pivoting mechanism acts as an intermediary between the closed and fully open states, providing intermediate opening angles that are sufficient for dispensing but not excessive. This intermediate state reduces the exposure of medication to external contaminants.
3Reliability
If a locking mechanism is added to control cap rotation, then medication dispensing is controlled, but device complexity increases
Solution Approach 1:
The locking mechanism is designed to be self-actuating through user interaction. When the user rotates the cap, the locking lever automatically engages with the slots on the cap interior surface without requiring additional actuators or complex control systems. The mechanism serves itself through the natural rotational motion.
Solution Approach 2:
The locking function is extracted as a separate, simple lever component that can be independently manufactured and assembled. This modular approach reduces overall device complexity by allowing the locking mechanism to be designed and manufactured separately from the main cap structure.
4Ease of operation
If multiple slots are provided for locking positions, then rotation control is improved, but manufacturing complexity increases
Solution Approach 1:
Instead of providing uniform locking features throughout the cap, the slots are strategically positioned at specific locations on the cap interior surface. This localized approach to locking positions provides effective rotation control while minimizing the total amount of material and precision required, thereby simplifying manufacturing.
Data Source
AI summary
A pivoting cap with locking mechanism for medication dispenser including a male and a female cap assembly secured by a pivot assembly. The male cap assembly is secured on top of a medication dispenser such as prescription bottles. The male cap assembly includes a locking arm with a locking lever attached to a bottom portion thereof, and a top portion. The female cap assembly includes a rotating cap having channels internally disposed. When assembled, the locking arm is received by one of the channels, thereby impeding said rotating cap from turning either direction. To free the rotating cap, a user must apply a radial force upon the lock arm, consequently the locking lever will be displaced inwardly. The user would then twist to move the cap to its respective indicia for its desired scheduling or to their dispensing opening.