Robotic Catheter Hub Control for Stable Neurovascular Access
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Solution Overview
Problem
Current neurovascular procedures face challenges such as limited availability of trained interventionalists, complex setup requirements, difficulty in achieving supra-aortic access, and challenges in navigating long, tortuous anatomy, leading to potential catheter motion and inefficiencies in device delivery.
Innovation Solution
A robotic control system for interventional devices that allows for precise control of multiple catheters, adjusts velocity to manage stiffness profile, and includes a joystick for coordinated movement, enabling advanced neurovascular access and procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a surgeon manually controls multiple coaxial catheters during neurovascular procedures, then the surgeon can perform complex maneuvers in tortuous anatomy, but the surgeon's hands must exert precise control over 3-4 catheters simultaneously which increases operational complexity and reduces procedure efficiency
Solution Approach 1:
The patent replaces manual mechanical control of multiple catheters with a robotic system that uses motorized actuators and computer control. The robotic system can independently control each catheter's position and movement, eliminating the need for manual coordination of multiple devices while maintaining precise control in tortuous anatomy.
Solution Approach 2:
The robotic system incorporates sensors and feedback mechanisms that allow it to autonomously adjust catheter positions and maintain stability. The system can detect catheter movement and automatically compensate for frictional interplay between coaxial shafts, reducing inadvertent motion without requiring constant manual intervention.
2Productivity
If the surgeon manually manages multiple catheters and fluoroscopy system, then the procedure can be performed with available equipment, but the surgeon must divide attention between multiple devices which increases time consumption and reduces productivity
Solution Approach 1:
The patent integrates multiple catheter control functions into a single robotic system controlled by one operator interface. The robotic system can simultaneously manage multiple coaxial catheters and coordinate their movements, eliminating the need for the surgeon to manually switch between controlling multiple devices and operating fluoroscopy, thereby reducing setup time and increasing procedural efficiency.
3Reliability
If coaxial catheters are advanced through tortuous anatomy, then access to neurovascular sites can be achieved, but frictional interplay between shafts stores and releases energy causing inadvertent catheter motion which reduces stability
Solution Approach 1:
The robotic system incorporates sensors that continuously monitor catheter position and forces acting on the catheters during advancement through tortuous anatomy. The control system uses this feedback to detect energy storage and release from frictional interplay between coaxial shafts and automatically adjusts actuator commands to compensate, maintaining catheter stability and preventing inadvertent motion while achieving access to neurovascular sites.
Data Source
AI summary
A robotic interventional device control system includes a first hub assembly coupled to a first interventional device and including a first proximal end and a first distal end; and a second hub assembly coupled to a second interventional device and positioned distal to the first hub assembly. The second hub assembly includes a second proximal end and a second distal end. The system includes a sensor system configured to detect a first position of the first hub assembly and a second position of the second hub assembly; and one or more hardware processors configured to generate a user interface. The user interface includes a drive table window including a first representation of the first hub assembly and a second representation of the second hub assembly.