Infant Lancing Device Safety Buckle and Push Button Locking Mechanism
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Solution Overview
Problem
Existing infant lancing devices with cutting type mechanisms face issues of unintentional triggering due to separate safety mechanism components, which can be lost, leading to safety and waste management concerns, and lack a locking mechanism to prevent push button looseness and noise after triggering, making it difficult to identify the device's use status.
Innovation Solution
A safety buckle with rotational connection and locking mechanism is integrated into the lancing device, featuring a push button that slides between the housing and a cam, with two occupation gestures to prevent unintentional triggering and a locking mechanism that secures the push button in place after use, utilizing various combinations of slots, wedges, hooks, and arms to ensure the push button remains locked and noise-free.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate protection cover is used as safety mechanism, then unintentional triggering is prevented, but the cover can be lost or misplaced causing safety and waste management issues
Solution Approach 1:
The patent integrates the safety mechanism directly into the housing structure, merging what was previously a separate protection cover into the main body. The safety mechanism now consists of a safety cam and safety arm that are fixed to the housing, eliminating the risk of the safety component being lost or misplaced while maintaining the prevention of unintentional triggering.
2Device complexity
If no locking mechanism is provided after triggering, then the device structure is simpler, but the push button becomes loose causing noise and difficulty in identifying use status
Solution Approach 1:
The patent implements a locking mechanism that provides visual feedback about the device's use status. The push button is locked in its triggered position by the locking arm engaging with the locking notches, and this locked state is visible to the user, making it easy to identify whether the device has been used. The locking mechanism also eliminates the loose movement that causes noise.
Data Source
AI summary
An infant peripheral lancing device having safety buckle turn lock and anti-backward push button, wherein the safety mechanism is a safety buckle rotationally connected on a housing, and the first occupation gesture of the safety buckle during movement is between a push button and the housing and locks the push button; the second occupation gesture is in unlocking position. The push button is set with a locking mechanism, which comprises a first locking part on the push button and a second locking part on the housing or the cam and when the push button is moved backward, the first locking part and the second locking part meet to form a locking state. This solution always connects the safety buckle and the housing to prevent an accidental disconnection or loss and the lancing device present invention locks the push button automatically after using to make it easy for the user to identify the state of the push button.