Guidewire Holder With Rotation Restriction and Lengthwise Translation
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Solution Overview
Problem
Existing vascular treatments require an additional assistant to manage the relative movement and rotation of a guidewire and catheter, complicating the procedure and reducing precision.
Innovation Solution
A holder with a capturing, connecting, and translating portion that restricts guidewire rotation while allowing smooth translation, enabling the catheter to move relative to the guidewire without additional assistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an additional assistant is used to manage guidewire and catheter movement, then the procedure can be performed, but the complexity of the procedure increases and precision decreases
Solution Approach 1:
The holder combines multiple functions into a single device: it captures the guidewire, connects to the catheter handle, and provides controlled translation between the guidewire and catheter. This integration eliminates the need for an additional assistant to manage guidewire movement separately, thereby simplifying the procedure while maintaining control precision.
Solution Approach 2:
The holder enables the operator to independently control both catheter movement and guidewire positioning through a single device. The translating portion allows the operator to facilitate relative movement between catheter and guidewire without requiring another person to hold or manipulate the guidewire separately, making the system self-sufficient.
2Ease of operation
If the guidewire is allowed to rotate freely, then the catheter can be moved easily, but the precision of the procedure decreases due to unwanted rotation
Solution Approach 1:
The holder provides dynamic control of guidewire rotation through the translating portion. While the capturing portion restricts rotation at one end, the translating portion can move along the guidewire's length, allowing controlled rotational adjustment when needed while maintaining positional stability. This dynamic mechanism enables easy catheter movement while preventing unwanted guidewire rotation that would compromise precision.
Data Source
AI summary
A holder has a capturing portion, a connecting portion, and a translating portion. The capturing portion is connected to the translating portion. The translating portion connects to the connecting portion. The capturing portion captures the guidewire to restrict movement of the guidewire relative to the capturing portion. The connecting portion connects the holder to the handle to restrict movement between the connecting portion and the handle. The translating portion translates the capturing portion relative to the connecting portion, while the guidewire is captured by the capturing portion, wherein the translating portion is configured to shorten and extend the holder in the length direction in shortened and extended states, respectively, such that the holder is configured to facilitate retraction and advancement of the guidewire in the length direction while restricting rotation of the guidewire relative to the handle.