Injection Support Pad with Automatic Needle Cover
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Solution Overview
Problem
Current medicament delivery devices, such as autoinjectors, face challenges with frequent injections and the handling of viscous drugs, particularly in ensuring the needle is protected when the device is removed from an injection site before disengagement.
Innovation Solution
A pad with a support structure that locks the medicament delivery device in place and transitions the cover extension to an extended position to protect the needle, using flexible arms or clips to ensure the needle is covered if the pad is removed before disengagement, and a release mechanism for timely disengagement of the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the pad is removed from the injection site before disengaging the medicament delivery device, then the user can remove the pad for convenience, but the needle becomes exposed creating a safety hazard
Solution Approach 1:
The support structure is configured to automatically transition the cover extension to the extended position when the pad is removed from the injection site. This preliminary action ensures the needle is protected before the user completes the disengagement process, preventing accidental needle exposure while maintaining ease of pad removal.
2Adaptability or versatility
If the cover extension is allowed to move freely, then the device can be operated normally, but the needle may be exposed if the pad is removed prematurely
Solution Approach 1:
The support structure acts as an intermediary mechanism between the pad and the cover extension. It mediates the interaction by detecting pad removal and automatically actuating the cover extension to protect the needle, thus maintaining both operational flexibility and needle protection reliability without requiring direct user intervention.
3Manufacturing precision
If the medicament delivery device is locked in place during injection, then injection accuracy is improved, but the device cannot be removed or adjusted
Solution Approach 1:
The attachment portion employs a dynamic locking mechanism that maintains firm engagement during the injection process to ensure positioning accuracy, but automatically releases or can be easily disengaged when the pad is removed. This dynamic behavior allows the device to transition from a locked state during injection to a removable state after injection, satisfying both precision and ease of operation requirements.
Data Source
AI summary
The present disclosure generally relates to medicament delivery devices such as autoinjectors, and particularly concerns pads for attaching medicament delivery devices such as autoinjectors to an injection site.