Split-guides for trajectory frames in medical interventional systems
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current medical systems for image-guided surgeries face challenges in efficiently inserting or implanting interventional devices with multiple electrodes, as conventional devices typically have limited electrode numbers and are difficult to remove post-implantation.
Innovation Solution
The development of a trajectory frame system with a split body configuration and lock/dock components that allow for the localized placement and delivery of devices with a large number of electrodes, featuring a base, yoke, platform, and actuators for precise movement, and a device guide with semi-circular members that separate along split lines for easy removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional devices with limited electrode numbers are used, then device complexity is reduced, but the ability to perform advanced neurological interventions is limited
Solution Approach 1:
The device guide is divided into first and second separable segments that can be inserted and secured independently. This segmentation allows the system to accommodate complex multi-electrode devices while maintaining manageable assembly steps and reducing overall system complexity during the procedure.
2Manufacturing precision
If trajectory frame components are made secure and stable for precise device placement, then placement accuracy is improved, but removal difficulty increases
Solution Approach 1:
The lock and dock components feature dynamic engagement mechanisms that provide stable holding during the procedure but allow for controlled release. The separable segments can be securely locked in place during device placement, then easily unlocked and removed afterward, transitioning between stable and removable states as needed.
Solution Approach 2:
By dividing the device guide into separable segments with independent lock and dock components, the system enables precise securement during placement while facilitating stepwise removal. Each segment can be independently secured and released, allowing accurate placement without permanent attachment.
3Adaptability or versatility
If a single conduit is used to hold multiple electrodes, then lead consolidation is improved, but conduit size and invasiveness increase
Solution Approach 1:
Multiple electrode leads are nested within a single conduit, with each lead positioned sequentially or concentrically. This nesting approach consolidates multiple electrodes into one access point, reducing the number of separate incisions needed while keeping the conduit diameter manageable through efficient spatial arrangement.
Data Source
AI summary
Surgical devices such as a device guide for a trajectory frame for image-guided procedures, is configured with first and second elongate and cooperating semi-circular members that together define a longitudinally extending open channel and that can separate along longitudinally extending split lines into discrete first and second elongate semicircular members. The surgical devices with the first and second semi-circular members can include a device guide and dock and lock inserts that are detachably held by dock and lock members to a guide support column that also concurrently holds the device guide during at least part of an image guided procedure.