远程操作手术机器人系统在眼科手术中的控制方式
Haoran Wang1, Yasamin Foroutani1, Matthew Nepo1
1Department of Mechanical and Aerospace Engineering at the University of California, Los Angeles (UCLA), USA 90095.
IEEE transactions on medical robotics and bionics
|January 12, 2026
概括
在机器人外科手术中,内部控制模式 (Inside Control Mode) 提供了优越的性能,而在玻璃视网膜手术中,外部控制模式 (Outside Control Mode) 提供了优越的性能. 更高的缩放因子提高了精度,减少了错误和组织损伤,尽管任务完成时间可能会有所不同.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 手术技术 手术技术
- 人与计算机的交互
背景情况:
- 远程操作的手术机器人系统正在推进微创手术.
- 有两个控制模式,内部控制和外部控制,可用于工具操作.
- 模拟玻璃甲状腺外科手术为绩效评估提供了一个受控的环境.
研究的目的:
- 为了比较外科医生在内部控制和外部控制模式之间的性能.
- 评估各种缩放因子对外科任务的影响.
- 在模拟环境中评估眼内机器人干预外科系统 (IRISS) 的有效性.
主要方法:
- 利用IRISS控制台与眼睛解剖学和手术机器人的虚拟现实模拟.
- 参与者 (5名经验丰富的外科医生,5名新手) 进行了标准的视网膜外科手术.
- 任务包括触摸和重置,抓住和放下,注入和循环跟踪.
- 通过不同的控制模式和扩展因子 (20,30) 评估性能指标.
主要成果:
- 与外部控制模式相比,内部控制模式在各个任务中表现出更高的性能.
- 更高的缩放因子 (20和30) 显著减少了轨迹错误和组织损伤.
- 任务完成时间有所不同,这表明速度和精度之间的权衡.
结论:
- 内部控制模式和更高的缩放因子对于精确的玻璃视网膜外科手术任务是有益的.
- 优化控制动态和用户界面可以改善机器人远程操作结果.
- 机器人手术有可能提高复杂手术的灵巧性和可访问性.
相关概念视频
Control Systems
1.7K
Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
At the heart...
1.7K
Control Systems: Applications
1.2K
Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
1.2K
Open and closed-loop control systems
2.0K
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
2.0K
Feedback control systems
805
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
805
Mechanical Systems
904
Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically...
904


