Guide Wire Handle With Actuator And Guard Rail
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Solution Overview
Problem
Current guide wire systems for medical procedures, such as those used in interventional cardiology, face challenges with buckling, kinking, and management issues due to their length and flexibility, particularly when used with over-the-wire (OTW) and rapid exchange (RX) catheters, which can lead to difficulties in navigating tortuous vasculature and maintaining precise control during procedures.
Innovation Solution
A guide wire system incorporating a handle with a tubular elongate housing and a guide wire actuator that allows the guide wire to be advanced, retracted, or rotated independently of the catheter, featuring a guard rail to prevent buckling and a catheter connector for secure attachment to OTW catheters, enabling simultaneous operation or independent use of the guide wire and catheter.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the guide wire is made long and flexible to navigate tortuous vasculature, then the ability to reach distant treatment sites is improved, but the guide wire becomes prone to buckling and kinking
Solution Approach 1:
The guide wire is divided into multiple segments with different properties: a flexible distal portion for navigating tortuous vasculature and a stiffer proximal portion within the handle for maintaining structural integrity. This segmentation allows each segment to perform its specific function optimally without compromising the other.
Solution Approach 2:
The handle acts as an intermediary device that provides mechanical support and control to the guide wire. By incorporating the guide wire into the handle structure, the system gains the stability and control of the handle while retaining the navigation capabilities of the flexible guide wire distal portion.
2Measurement precision
If the guide wire is advanced independently of the catheter, then precise positioning is improved, but control and stability deteriorate
Solution Approach 1:
The guide wire and catheter are merged into a single integrated system where the guide wire is incorporated into the handle structure. This allows both devices to be advanced simultaneously as one unit, providing the positioning precision of independent guide wire advancement while maintaining the control and stability of catheter-based delivery.
Solution Approach 2:
The handle serves multiple functions: it provides a stable base for guide wire manipulation, enables simultaneous advancement of both guide wire and catheter, and allows for independent guide wire actuation when needed. This multi-functionality resolves the contradiction between precise positioning and ease of operation.
3Measurement precision
If the guide wire is held stationary during catheter advancement, then guide wire positioning is maintained, but the complexity of manual coordination increases
Solution Approach 1:
The guide wire and catheter are combined into an integrated assembly where both can be advanced together as a single unit by manipulating the handle. This eliminates the need for manual coordination between separate guide wire and catheter advancement, reducing operational complexity while maintaining positioning precision through the integrated design.
Data Source
AI summary
A guide wire incorporating a handle that incorporates a handle at the proximal end of said guide wire, the handle incorporating a guide wire actuator slidably disposed upon an actuator rail, the guide wire actuator being affixed to the proximal end of the guide wire and a guard rail contained within the actuator rail that prevents buckling of the proximal end of the guide wire. The handle can be connected to a catheter device amalgamating the guide wire and the catheter, allowing the catheter and guide wire to be operated simultaneously while also enabling the guide wire to be advanced or torqued independently of the catheter device.