Multi-axis Robotic Surgical System with Oscillating Tool
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Solution Overview
Problem
Current robotic surgical systems face challenges in safely and efficiently removing bone and non-fibrous tissues while minimizing damage to soft tissues, particularly in orthopedic procedures, due to difficulties in navigating narrow surgical fields and providing precise tactile feedback and visualization.
Innovation Solution
A multi-axis robotic system equipped with an oscillating tool that can be securely attached to a robotic arm, allowing for precise manipulation and real-time ultrasound imaging to differentiate between soft and hard tissues, minimizing damage during surgical procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a robotic system is used to navigate narrow surgical fields, then surgical precision is improved, but tactile feedback capability deteriorates
Solution Approach 1:
The patent incorporates tactile feedback mechanisms that provide force feedback to the surgeon through the robotic interface, allowing the surgeon to feel resistance and tissue properties despite the robotic arm's precision movements. This feedback loop maintains tactile awareness while benefiting from robotic precision in narrow surgical fields.
2Difficulty of detecting and measuring
If real-time ultrasound imaging is implemented, then tissue differentiation capability is improved, but device complexity increases
Solution Approach 1:
The patent integrates ultrasound imaging capabilities directly into the robotic surgical system, combining multiple functions (robotic manipulation, real-time imaging, and tissue differentiation) into a unified platform. This merging reduces the need for separate devices and simplifies the overall surgical workflow despite the advanced capabilities provided.
3Productivity
If an oscillating tool is used to remove bone and non-fibrous tissues, then removal efficiency is improved, but risk of soft tissue damage increases
Solution Approach 1:
The oscillating tool is designed with varying oscillation amplitudes and frequencies along its length, with lower oscillation near the tip to minimize soft tissue damage while maintaining high removal efficiency at the working end. This localized variation in tool properties allows efficient bone removal while protecting adjacent soft tissues from excessive oscillation forces.
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
Enables safe and efficient removal of bone and non-fibrous tissues with reduced risk of complications, allowing for remote surgical control and improved visualization, thereby reducing surgery time and post-operative issues.
Implementation Method 1
A multi-axis robotic system equipped with an oscillating tool that can be securely attached to a robotic arm
Implementation Method 2
real-time ultrasound imaging to differentiate between soft and hard tissues
Data Source
AI summary
The present invention provides an apparatus, system and method for providing robotically assisted surgery that involves the removal of bone or non-fibrous type tissues during a surgical procedure. The system utilizes a multi-axis robot having a reciprocating tool that is constructed and arranged to remove hard or non-fibrous tissues while leaving soft tissues unharmed. The multi-axis robot may be controlled via computer or telemanipulator, which allows the surgeon to complete a surgery from an area adjacent to the patient to thousands of miles away.