Minimally Invasive Portal System with Adjustable Top Ring
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Solution Overview
Problem
Current minimally invasive surgical (MIS) portal systems lack enhanced functionality and flexibility in accessing multiple vertebral levels without requiring system removal, and there is a need for improved stability and ease of use during surgical procedures.
Innovation Solution
An adjustable MIS surgical portal system with a top-ring assembly that can be removably connected to a table-mounted frame using mechanisms like a spring-loaded collar or ball and socket, featuring a variable adjustment positioner, depth positioning mechanism, and a connector for the working cannula, which allows for adjustable placement and locking of the cannula, along with an integrated light source for enhanced visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed MIS portal system is used, then the system provides stable access to a single vertebral level, but the system cannot access multiple vertebral levels without removal and reinstallation
Solution Approach 1:
The portal system incorporates adjustable components including a height-adjustable top ring assembly and a variable angle connector that allows dynamic repositioning of the working cannula to access different vertebral levels without removing the entire system from the patient's body
2Adaptability or versatility
If the portal system is made highly adjustable to access multiple vertebral levels, then versatility is improved, but the device complexity increases
Solution Approach 1:
The portal system is divided into modular segments including a base mount, top ring assembly, connector, and working cannula, each with independent adjustment capabilities that can be configured separately to achieve the desired positioning without requiring complex integrated mechanisms
3Reliability
If the working cannula is made fixed and stable, then instrument placement accuracy is improved, but the ability to reposition for different vertebral levels is reduced
Solution Approach 1:
The working cannula is designed with a locking mechanism that allows it to be securely fixed in position for stable instrument placement, while also enabling easy release and repositioning when adjustment to different vertebral levels is required, transitioning between stable and movable states as needed
Data Source
AI summary
A minimally invasive surgical portal system, kit, device and method may include a top ring assembly removably connected to an arm of a table mounted frame to provide stability and a secure trajectory. The portal system may include a top-ring assembly which may mount to an arm of a table mounted frame. The system may include a removable connection mechanism comprising a spring loaded collar configured to removably connect the top ring assembly to a table mounted frame. A variable adjustment positioner may be removably connected to the arm of the table mounted frame. The system may also include a depth positioning mechanism. The system may further include a light source configured to be placed down the portal tube.