Telescopic Catheter Coupling Ring for Secure Extension Locking
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Solution Overview
Problem
Existing telescopic urinary catheters for male users require improved design to accommodate their longer urinary channel and ensure discreet, compact storage and use, while minimizing risk of anatomical damage and maintaining effective functionality.
Innovation Solution
A telescopic intermittent urinary catheter with a coupling member that is displaceable between axial positions, allowing for secure engagement between tubular elements, featuring a coupling ring that expands radially for a tight grip and can be formed from high-friction materials or deformable materials to manage collapsing forces effectively, ensuring secure insertion and easy handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a telescopic catheter is designed to be compact for storage and carrying, then it can be easily stored in handbags or pockets, but it requires a coupling mechanism that ensures secure engagement while allowing telescopic movement
Solution Approach 1:
The telescopic catheter consists of nested tubular elements where the extension member is received within the first tubular element, allowing compact storage while maintaining full length when extended. The coupling member is displaceable between engagement and disengagement positions to secure or release the telescopic sections as needed.
Solution Approach 2:
A coupling member is introduced as an intermediary element between the extension member and the first tubular element. This coupling member is displaceable between a first position where it engages to limit displacement and a second position where it disengages to allow telescopic movement, providing secure coupling when needed while maintaining mobility when required.
2Ease of operation
If the coupling member is made palpable for easy location, then it can be easily found for coupling, but it may injure or damage anatomical structures in the user's body
Solution Approach 1:
The coupling member is designed with differentiated properties: it has palpable features (such as protrusions or ridges on the outer surface) that can be easily located from the outside, while the portion that contacts anatomical structures is designed to be smooth and non-palpable to prevent injury. This local differentiation of qualities allows the coupling member to be easily found without causing harm to the user.
3Stability of the object's composition
If the coupling member provides strong engagement to prevent unwanted collapse, then it ensures structural stability, but it may increase the force required for telescopic movement
Solution Approach 1:
The coupling member is designed to be displaceable between engagement and disengagement positions, providing dynamic coupling rather than fixed connection. When engaged, it provides strong structural stability to prevent unwanted collapse; when disengaged, it allows easy telescopic movement. This dynamic design enables the system to adapt its coupling strength based on operational requirements.
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 solution provides a compact, user-friendly catheter that reduces the risk of anatomical damage and unwanted collapse, while maintaining effective urine flow and ease of use, addressing the specific needs of male users with a longer urinary channel.
Implementation Method 1
GB2032556A is known an improved friction coupling for coaxial movable members, for example a pipe, rod or cable surrounded by a sleeve or collar
Implementation Method 2
featuring a coupling ring that expands radially for a tight grip
Implementation Method 3
can be formed from high-friction materials or deformable materials to manage collapsing forces effectively
Data Source
Figure 1~2
Figure 3~4b
Figure 5~7b
AI summary
The invention concerns a telescopic device (1) comprising a first tubular element (3) and an extension member (2) displaceably arranged in an axial direction within the first tubular element (3), wherein a coupling member (16) is provided relatively displaceable to the extension member (2), between at least, - a first axial position wherein the extension member is displaceable within the first tubular element, and - a second axial position wherein the coupling member (16) engages between the extension member (2) and the first tubular element (3) limiting displacement in at least one longitudinal direction, where the coupling member (16) engages the interior of the first tubular element (3).