Medication Cassette Reciprocating Storage and Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional medication cassettes have limited storage capacity and require frequent filling, restricting the number of medications that can be stored and dispensed efficiently.
Innovation Solution
A medication cassette with a cylindrical body and reciprocating first rotating body, combined with a second rotating body and detection mechanisms, allows for automated dispensing based on remaining medication levels, with features like a raising/lowering mechanism and clutch to prevent overload and clogging, enabling efficient storage and dispensing of a large number of medications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a conventional apparatus with a first rotating body and a second rotating body is used, then the structure is simple, but the number of medications that can be stored is limited
Solution Approach 1:
The medication storage system is divided into multiple independent rotating bodies (first rotating body, second rotating body, third rotating body) that can operate semi-independently. Each rotating body can store medications separately, and the system segments the storage capacity across multiple components rather than relying on a single large storage unit, thereby increasing total storage capacity while maintaining manageable structural complexity
Solution Approach 2:
The patent implements a nested configuration where the first rotating body is positioned inside or adjacent to the second rotating body, which itself is associated with the third rotating body. This nested arrangement allows multiple storage regions to be compactly organized, maximizing the use of available space and increasing medication storage capacity without proportionally increasing the overall device footprint or structural complexity
2Quantity of substance
If the position relation between the first rotating body and the second rotating body is fixed, then the structure is stable, but the number of articles capable of being stored is limited
Solution Approach 1:
The patent introduces dynamic adjustability in the positional relationship between rotating bodies through mechanisms such as movable support structures, adjustable mounting positions, or variable spacing arrangements. This allows the system to adapt its configuration based on storage requirements, enabling flexible optimization of storage capacity while maintaining operational stability when needed
Solution Approach 2:
The rotating bodies are designed with multi-functional capabilities, serving both as storage containers and as conveyance mechanisms. The same structural components perform multiple functions (storage, rotation, medication transfer), increasing the system's versatility and adaptability without requiring additional dedicated structures, thereby enhancing storage flexibility while controlling overall complexity
3Quantity of substance
If the first rotating body is moved to one end side to enlarge medication storing portion, then storage capacity increases, but medication conveyance may become inefficient
Solution Approach 1:
The patent ensures continuous medication conveyance by implementing overlapping rotation zones between the first rotating body and the second rotating body. As the first rotating body moves to maximize storage, the second rotating body continuously receives and transfers medications, eliminating idle periods and maintaining uninterrupted medication flow from storage to dispensing, thereby preserving productivity despite increased storage capacity
Solution Approach 2:
The second rotating body acts as an intermediary mechanism between the first rotating body (storage) and the dispensing outlet. It receives medications from the first rotating body and facilitates their transfer to the dispensing mechanism, ensuring smooth and efficient conveyance even when the first rotating body is positioned to maximize storage capacity rather than optimize direct access
4Productivity
If automated dispensing is implemented, then labor efficiency improves, but detection of remaining medications and error prevention becomes more complex
Solution Approach 1:
The patent incorporates detection means that continuously monitor medication levels in the rotating bodies and provide feedback signals to the control system. This feedback mechanism enables automated decision-making for refilling, dispensing rate adjustment, and error detection, allowing the system to maintain high productivity through automation while managing complexity through intelligent control algorithms that process detection data
Data Source
AI summary
The invention addresses the problem of providing a medication cassette, which in addition to being capable of smooth automated dispensing despite being capable of storing large amounts of medication, allows accurate ascertainment of whether the medication has run out or is jammed. This medication cassette is provided with: a cylindrical body in which the medication is stored; a first rotating body capable of reciprocating movement inside the cylindrical body in the direction of the shaft center thereof; a second rotating body disposed on the outer circumference of the cylindrical body; a conveyed medication-detecting element for detecting medication that has been conveyed by the second rotating body; and a control for moving the first rotating body upward when a medication detection signal is not output from the conveyed medication-detecting element.