Universal Scoring Device for Catheter Retention
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Solution Overview
Problem
Existing scoring devices are not adaptable to catheters of varying profiles, limiting their versatility in medical procedures due to fixed sizes and profiles, which do not accommodate different medical procedures or patient-specific anatomical variations.
Innovation Solution
A universal scoring device with a retention sleeve and deformable catheter port that can interchangeably fit catheters of different profiles, allowing for selective reception and retention of catheters with varying shaft sizes and balloon volumes, and featuring a scoring tool with expandable elements for localized scoring in vasculature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the scoring device is bonded to a balloon of the catheter as a unitary assembly, then the structural integrity and reliability are improved, but the adaptability to catheters of varying profiles deteriorates
Solution Approach 1:
The scoring device is divided into separable components: a scoring device body and a catheter interface mechanism. This allows the scoring device to be detached from one catheter and attached to another with different profile specifications, maintaining structural integrity during use while enabling adaptability across multiple catheter types.
Solution Approach 2:
The catheter interface mechanism is designed with universal compatibility features that allow it to interface with multiple catheter profiles. The interface includes adjustable or interchangeable elements that can accommodate varying catheter sizes and shapes, enabling a single scoring device to perform multiple functions with different catheters.
2Reliability
If the catheter shaft is affixed with the catheter socket, then the reliability of the connection is improved, but the ease of operation for loading and separation deteriorates
Solution Approach 1:
The connection between catheter shaft and catheter socket transitions from a static permanent bond to a dynamic reversible connection. The interface mechanism incorporates movable or deformable elements that allow the connection to be easily established and released, maintaining reliability during the connected state while enabling simple loading and separation operations.
Solution Approach 2:
An intermediary coupling mechanism is introduced between the catheter shaft and catheter socket. This intermediary component facilitates easy attachment and detachment while ensuring reliable connection during use, acting as a mediator that resolves the conflict between permanent bonding and reversible connection.
3Adaptability or versatility
If a single scoring device is used to interchangeably receive multiple catheter shafts, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The catheter interface mechanism employs a nested structure where components are arranged concentrically or in hierarchical layers. This nesting allows multiple catheter profiles to be accommodated within the same interface structure, achieving adaptability without proportionally increasing overall device complexity.
Solution Approach 2:
The catheter interface mechanism incorporates adjustable parameters such as movable components, variable geometry elements, or reconfigurable structures. These parameter changes allow the interface to adapt to different catheter specifications without requiring completely different structures for each catheter type, managing complexity through controlled variability.
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
Enables flexibility in selecting and using catheters of various brands and sizes with a single scoring device, reducing the need for multiple devices and enhancing procedural adaptability by allowing for precise scoring and balloon expansion conforming to different anatomical conditions.
Implementation Method 1
The catheter socket mechanically engages the catheter shaft while the catheter shaft is received in the catheter socket
Implementation Method 2
The catheter port is elastically deformable, for example to receive the catheter shaft
Implementation Method 3
The balloon is expandable between the deflated and inflated configurations
Data Source
AI summary
In an example, a scoring device is configured for retention of a catheter shaft. The scoring device incudes a proximal portion and a distal portion. A retention sleeve extends between the proximal and distal portions. The retention sleeve has a catheter socket configured to selectively receive and mechanically engage the catheter shaft. The scoring device includes a scoring tool coupled with the retention sleeve, for instance proximate to the distal portion. The scoring tool includes a balloon socket configured to selectively receive a balloon of the catheter shaft. The scoring tool includes one or more scoring elements extending around the balloon socket, the one or more scoring elements configured to provide localized scoring to vasculature.