One-Piece Tip Cap for Medical Dispenser Sealing
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Solution Overview
Problem
Current medical dispenser closure systems fail to provide a secure and reliable fluid sealing connection, are prone to tampering, and have complex manufacturing processes, lacking tamper-evident features and cost-effectiveness.
Innovation Solution
A one-piece tamper-evident tip cap with a removably attached flow restrictor and sleeve, featuring a frangible connection and sealing stem for secure engagement with the discharge port, allowing evidence of unauthorized access and simplifying manufacturing through a single molding process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional multi-component closure systems are used, then fluid sealing connection can be achieved, but manufacturing complexity and production cost increase
Solution Approach 1:
The patent combines multiple closure components (cap, seal, and securing mechanism) into a single integrated closure assembly that is molded as one piece. This eliminates the need for separate manufacturing and assembly steps for multiple components, thereby reducing manufacturing complexity while maintaining reliable fluid sealing connection through the integrated seal and cap structure.
2Reliability
If conventional closure systems are used, then basic sealing can be provided, but tamper evidence and security protection are insufficient
Solution Approach 1:
The closure assembly includes a pre-configured tamper-evident mechanism with a breakable seal or frangible connection that is prepared in advance during molding. When the closure is opened or tampered with, this pre-set mechanism provides immediate visual evidence of compromise, enhancing security protection without requiring additional components or complex assembly steps.
3Reliability
If multi-step assembly processes are used for closure components, then proper sealing engagement can be achieved, but production time and cost increase
Solution Approach 1:
The closure assembly is molded as a single integrated component with the seal and cap formed together in one molding cycle. This eliminates multiple assembly steps required for conventional multi-component systems, significantly improving production efficiency while ensuring proper sealing engagement through the integrated design that guarantees correct positioning and contact between sealing surfaces.
Data Source
AI summary
A closure assembly for a medical dispenser which may include a one-piece tip cap having a flow restrictor and a removably connected sleeve disposed in surrounding relation to the flow restrictor. The tip cap further includes an access opening and an oppositely disposed closed end, wherein the flow restrictor is structured for a fluid sealing engagement with a discharge port of the medical dispenser, passing through said access opening. The closed end includes removably attached inner and outer end segments respectively formed on the flow restrictor and the sleeve and are collectively structured to define a removable connection between the flow restrictor and sleeve. A cover may be fixedly attached to the sleeve in overlying, covering relation to exterior surfaces of the inner and outer end segments.