Integrated Handle for Sinus Dilation Balloon Catheter
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Solution Overview
Problem
Current methods for treating chronic sinusitis, such as Balloon Sinuplasty, face limitations in effectively addressing chronic sinusitis due to the need for improved devices and methods that can efficiently manage sinus openings and drainage without causing irreparable damage to paranasal anatomy.
Innovation Solution
A medical device featuring a handle with integrated guide wire and balloon catheter movement mechanisms, allowing for single-handed operation, includes a guide wire locking and rotation mechanism, and a balloon catheter movement mechanism for inflation and deflation, facilitating sinus opening treatment without the need for incisions or bone removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional FESS with rigid instruments is used, then sinus drainage can be improved, but tissue damage and procedural complexity increase
Solution Approach 1:
The patent replaces traditional rigid mechanical instruments with a balloon-based expansion system. The balloon catheter is advanced through the sinus ostium and inflated to dilate the opening, substituting the need for rigid cutting or drilling instruments. This mechanical substitution reduces tissue trauma while achieving the same drainage improvement goal.
Solution Approach 2:
The patent utilizes changes in balloon volume and pressure parameters to achieve sinus ostium dilation. By controlling the inflation parameters of the balloon catheter, the system can gradually expand the sinus opening without causing irreversible tissue damage, thereby improving drainage while minimizing harm.
2Measurement precision
If multiple separate devices are used for guide wire and balloon catheter manipulation, then precise control is achieved, but device complexity and ease of operation worsen
Solution Approach 1:
The patent combines the guide wire manipulation mechanism and balloon catheter manipulation mechanism into a single integrated handle assembly. Both mechanisms share common components such as the rail system and locking mechanisms, merging multiple functions into one unified device. This reduces the number of separate devices needed while maintaining precise control over both the guide wire and balloon catheter.
3Reliability
If traditional surgical instruments are used, then sinus treatment can be performed, but procedural time and complexity increase
Solution Approach 1:
The patent employs a pre-assembled balloon catheter system that is advanced over a guide wire in a single continuous motion. The balloon catheter is pre-positioned and ready for inflation, eliminating the need for multiple separate manipulation steps. This preliminary preparation of the delivery system reduces procedural time while ensuring effective sinus treatment.
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 device enables efficient dilation of sinus ostia, improving drainage and ventilation while minimizing tissue damage, allowing for effective treatment of chronic sinusitis with reduced procedural complexity and increased user convenience.
Implementation Method 1
a balloon catheter movement mechanism for inflation and deflation
Implementation Method 2
a guide wire locking and rotation mechanism configured for rotation of the guide wire
Data Source
AI summary
A medical device and method for the treatment of a sinus opening includes a handle, a guide catheter, a guide wire, a balloon catheter, a guide wire movement mechanism and a balloon catheter movement mechanism. The handle has proximal and distal ends and a longitudinal axis along the length of the handle. The guide catheter is attached to the distal end of the handle and has a catheter lumen. The guide wire and balloon catheter are both disposed at least partially in the handle and catheter lumen. The guide wire movement mechanism and the balloon catheter movement mechanism are both operatively disposed on the handle. In addition, the guide wire movement mechanism is configured for advancement and retraction of the guide wire through the handle and catheter lumen by user operation of the guide wire movement mechanism. Moreover, the guide wire movement mechanism includes an integrated guide wire locking and rotation mechanism configured for rotation of the guide wire and for securely locking and unlocking the guide wire to the guide wire movement mechanism. Furthermore, the balloon catheter movement mechanism is configured for advancement and retraction of the balloon catheter through the handle and catheter lumen by user operation of the balloon catheter movement mechanism.