Robotic Cochlear Implant Positioning for Low-Trauma Electrode Insertion
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Solution Overview
Problem
Current cochlear implant surgeries face challenges in precisely inserting electrode assemblies to preserve residual hearing due to manual insertion techniques that can cause trauma and variability among surgeons, leading to potential hearing loss and inflammatory responses.
Innovation Solution
A robotically assisted implantation system with an external positioning unit and computerized control unit for precise control of implant delivery and positioning, utilizing sensors and feedback mechanisms to minimize mechanical forces on delicate cochlear structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual insertion techniques are used to insert electrode assemblies, then surgical flexibility and ease of operation are maintained, but surgical precision and control over insertion forces deteriorate, leading to potential trauma to cochlear structures
Solution Approach 1:
The patent replaces the manual mechanical insertion system with a robotic mechanical system. The robotic device includes a robotic arm with end effectors that can precisely control the insertion forces and trajectory, substituting the surgeon's manual hand control with an automated robotic mechanism that provides superior precision while maintaining ease of operation through remote control interfaces.
Solution Approach 2:
The patent incorporates feedback mechanisms including force sensors and position sensors that provide real-time information about insertion forces and electrode assembly position. This feedback loop allows the system to automatically adjust insertion parameters to maintain optimal forces while preventing trauma, thereby improving precision without sacrificing operational ease.
2Ease of operation
If manual insertion techniques are used, then operational simplicity is maintained, but variability among surgeons and loss of control over insertion forces worsen, causing trauma and inflammatory responses
Solution Approach 1:
The patent replaces variable manual mechanical insertion with a standardized robotic mechanical system. The robotic device provides consistent insertion forces and trajectories through programmable control, eliminating the variability inherent in manual techniques while maintaining operational simplicity through automated execution of predefined protocols.
Solution Approach 2:
The patent uses force feedback sensors to monitor insertion forces in real-time and automatically adjust or terminate insertion when excessive forces are detected. This closed-loop feedback ensures consistent, reliable insertion across all procedures while maintaining operational simplicity through automated force management.
3Manufacturing precision
If robotic control is implemented to enhance surgical precision, then control over implant delivery and positioning improves, but device complexity increases
Solution Approach 1:
The patent segments the robotic system into modular components including a robotic arm, end effectors, control console, and sensor systems. This segmentation allows each component to be optimized independently and facilitates easier maintenance and updates, thereby managing overall system complexity while maintaining high surgical precision.
Solution Approach 2:
The patent introduces software intermediaries and control layers that bridge the complex robotic hardware and the user interface. These software layers abstract the complexity from the user perspective, providing simple control commands while managing the underlying mechanical and sensor complexity automatically.
Data Source
AI summary
This document discusses, among other things, systems and methods for robotically assisted implantation of an implant in a patient. A system includes an external positioning unit configured to engage an elongate member of the implant, and a control console communicatively coupled to the external positioning unit. The control console may have a user interface that enables a user to input motion control instructions. The control console may generate a motion control signal, according to a specific motion control instruction, to control the external positioning unit to propel the implant into a target implant site. The system may be used to robotically control the delivery and positing of a cochlear implant during a hearing-preservation cochlear implant surgery.