Medical Article Securement Device with Rotating Base and Locking Mechanism
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Solution Overview
Problem
Existing medical article securement devices fail to effectively stabilize invasive devices like cannulas, leading to dislodgement and blockage due to inadequate securement, particularly in patients with body hair or excessive sweating, and are not adaptable to varying cannula sizes or orientations.
Innovation Solution
A medical article securement device with a base and body engaging member that includes a securing arrangement allowing 360° rotation and quick release, capable of securing medical articles at angles from 0 to 90 degrees, featuring a V-shaped channel for universal cannula sizes and a locking mechanism that prevents rotation and movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If adhesive dressings are used to secure cannulas, then barrier function against infection is improved, but securement function deteriorates due to weak adhesion and loss of adhesion with body hair or sweating
Solution Approach 1:
The device separates the barrier function (adhesive dressing) from the securement function (mechanical stabilisation device). The adhesive dressing provides infection protection while the mechanical device with base, securing arrangement, and locking mechanism provides reliable cannula stabilization, eliminating the conflict between these two functions.
Solution Approach 2:
The mechanical stabilisation device acts as an intermediary between the adhesive dressing and the cannula. It provides a reliable mechanical connection that does not depend on adhesive properties, thereby maintaining securement function while the adhesive dressing continues to provide barrier protection.
2Productivity
If standard adhesive dressings are used for securement, then application speed is improved, but securement reliability deteriorates under dynamic clinical conditions and patient mobility
Solution Approach 1:
The device divides the securement system into two independent components: a quick-application adhesive dressing for barrier protection and a separate mechanical stabilisation device for reliable securement. This segmentation allows each component to optimize its specific function without compromising the other.
Solution Approach 2:
The mechanical stabilisation device features a self-locking mechanism that automatically secures the cannula in position without requiring continuous manual adjustment or reapplication. The locking mechanism maintains securement reliability under dynamic conditions while the device itself requires minimal intervention.
3Ease of operation
If adhesive dressings are used to secure cannulas, then ease of application is improved, but adaptability to varying cannula sizes and orientations deteriorates
Solution Approach 1:
The device separates the simple adhesive application (ease of operation) from the adaptive mechanical securing (adaptability to variations). The adhesive dressing provides easy application while the mechanical device with adjustable base and securing arrangement adapts to different cannula sizes and orientations.
Solution Approach 2:
The mechanical stabilisation device incorporates dynamic elements including a rotatable base that can be adjusted to accommodate different cannula orientations, and a securing arrangement that can be tightened or loosened to fit various cannula sizes. This dynamic adjustability maintains ease of use while adapting to variations.
4Device complexity
If no securement device is used, then device complexity is minimized, but cannula dislodgement and blockage increase due to micromovements
Solution Approach 1:
The device segments the securement function into distinct components: a base for attachment, a securing arrangement for clamping, and a locking mechanism for stabilization. This segmentation organizes the complexity into manageable parts while achieving reliable cannula stability and preventing dislodgement and blockage.
Data Source
AI summary
Disclosed is a securement device for securement of a medical article, a kit of parts for a securement device for securement of a medical article; and a method a securing a medical article to a body part. A securement device (100) comprises a medical article engaging member (150) and a body engaging member (140). The medical article engaging member comprises a securing arrangement (130) which defines an open and closed configuration, and a base (120) configured to receive a medical article. In the closed configuration of the securing arrangement (130), the device (100) may prevent rotational, longitudinal and/or lateral movement of a medical article secured within the device (100).