Auto-Injector Training Device Self-Service Reset Mechanism
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Solution Overview
Problem
Existing training devices for automatic injectors are not user-friendly, requiring awkward procedures for recocking and lack simulation of auto-injector operation with sharps protection, making them impractical for repeated use and costly to manufacture.
Innovation Solution
A training device with a slidable cover member, actuation assembly, and safety pin that allows easy simulation of auto-injector operation, enabling repeated use and reset without the need for auxiliary tools, while maintaining safety by preventing needle exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing training devices are used to simulate auto-injector operation, then users can practice injection procedures, but the devices require awkward recocking procedures and auxiliary tools for repeated use
Solution Approach 1:
The training device enables self-service recocking through a manual manipulation mechanism where the prod member is physically forced back into the body by thrusting against a surface, eliminating the need for auxiliary recocking tools and simplifying the reset procedure for repeated use
Solution Approach 2:
The device separates the prod member as a distinct component that can be independently manipulated and reset, allowing the recocking operation to be performed by simply thrusting the prod member back into the body against a surface, rather than requiring complex tool-based procedures
2Object-affected harmful factors
If training devices simulate auto-injector operation with sharps protection, then user safety is improved, but manufacturing cost and device complexity increase
Solution Approach 1:
The training device creates a simplified copy of the auto-injector mechanism that simulates the essential operation and safety features without requiring full manufacturing complexity. The prod member simulation and cover member mechanism replicate the protective function at reduced cost
Solution Approach 2:
The device changes the physical state and properties of the simulation components, using a blunt prod member instead of a sharp needle, and employing a cover member that slides to provide protection, thereby achieving safety functionality with different material and structural parameters
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device allows users to comfortably practice auto-injector operation, ensuring proper and safe medicament administration, is cost-effective to manufacture, and can be reused multiple times without complex recocking procedures.
Implementation Method 1
A spring member provides the biasing force for biasing the cover member into the extended position
Data Source
AI summary
A resettable training device and method for training a user on the operation of an auto-injector for dispensing a medicament are provided. The user can operate the training device to simulate an auto-injector operation and then reset the training device to repeat the injector operation. The training device includes a housing, a cover member slidably received within the housing between a retracted operative position and an extended inoperative position, a spring member for biasing the cover member into the extended position, an actuation assembly that controls the movement of the cover member from the retracted position to the extended position in response to activation of the trainer by the user, a safety pin, and in some embodiments at least one releasable locking assembly to prevent movement of the cover member from the extended position to the retracted position.