Vial Capping Centering Assembly for Pharmaceutical Dispensing

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Solution Overview

Problem

Existing automated pharmaceutical dispensing systems face challenges with low filling speed and lack of reliable closure securing mechanisms, particularly in accommodating multiple vial and cap sizes.

Innovation Solution

A method and apparatus utilizing a centering assembly to precisely position and rotate closures onto cylindrical containers, ensuring reliable securing through a combination of centering members and a rotating mechanism, allowing for efficient handling of various vial and cap sizes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If automated dispensing systems are implemented, then productivity is improved, but reliability of closure securing deteriorates

Engineering Contradiction:

Improveprescription filling speedVSAvoidclosure securing reliability

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The system performs preliminary centering of both the vial and closure using centering members before the capping operation. This preliminary positioning ensures that when the closure is applied, it is properly aligned with the vial opening, thereby improving reliability while maintaining automated high-speed operation.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system incorporates sensors to detect the presence and position of the vial and closure. This feedback mechanism ensures that capping operations only proceed when components are properly positioned, enhancing reliability without sacrificing productivity by preventing misalignment errors.

Inventive Principle:

Principle #23Feedback

2Device complexity

If a single capping mechanism is used, then device complexity is reduced, but adaptability to multiple vial and cap sizes deteriorates

Engineering Contradiction:

Improvecapping mechanism complexityVSAvoidaccommodation of multiple vial and cap sizes

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

The capping mechanism incorporates adjustable centering members that can be repositioned to accommodate different vial diameters and closure sizes. This universal design allows a single mechanism to handle multiple vial and cap styles through simple adjustment rather than requiring multiple specialized mechanisms, maintaining low complexity while achieving high adaptability.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS8444130B2Devices for capping vials useful in system and method for dispensing prescriptions

Publication Date: 2013.05.21 PARATA SYSTEMS LLC

AI summary

A method for securing a closure on a cylindrical container (such as a pharmaceutical vial) includes: positioning a closure in a first position, the closure being substantially centered via a centering assembly along an axis that is generally normal to the closure; translating the substantially centered closure along the axis to a second position; positioning a cylindrical container, the container being substantially centered via the centering assembly along the axis; translating the substantially centered closure along the axis to a third position in which it is adjacent the substantially centered container; and relatively rotating the closure and the container to secure the closure to the container. With such a method, both the closure and the cylinder can be centered along the axis, thereby registering them with each other for reliable securing.