Intelligent Motion Assist Technology and Flexible Robot

Intelligent Motion Assist Technology and Flexible Robot

Existing efforts of medica robots focus on mechanical design and actuation control. However, the lack of sensing and perception capability is one major technology bottleneck. This programme aims to create machine intelligence to enhance effectiveness of the physical interaction between medical robots and patients.

  • To develop novel actuation and sensing method for flexible robot, particularly haptic technologies to enable flexible robots work effectively while exert minimal impact force to the brain tissue.
  • To develop core robotic technologies to assist fast and safe interaction with patients outside the body, including novel contact mechanism design, compliance motion and force control methods.


  • Robotic assistive ultra-thin flexible endoscope with augmented dexterity


  • Automatic control of the flexible endoscopic robot for assessing narrow orifices

Technology under development:

Create novel actuation and sensing method to achieve:

  • Haptic sensing for flexible robot based on fluidic/tendon-driven actuation
  • Low latency haptic teleoperation system for flexible robot manipulation
  • Real-time medical imaging based navigation system for flexible robot

Significance:

Quicker, safer, simpler intracranial diagnosis and therapy

Technology under development:

  • Fluidic actuation based kinematic modelling and force estimation
  • Fluid-mechanical model for estimating actuation pressures and segment dynamics
  • System evaluation of self propulsion via in-vivo and ex-vivo tests

Soft fluidic driven flexible robotic endoscope with dual working channels

Flexible Minimally Invasive Brain Surgery Robotic Platform

  • The proposed flexible brain surgery robotic system primarily based on the existing expertise on tendon-driven actuation
  • The use of soft material can reduce the traction damage to the normal brain parenchyma compared to tendon-driven approach
  • Explore the hydraulic driven soft actuator technology to meet the clinical requirements of brain surgery

Objectives:

Developing core robotic technologies to assist precise rehabilitation & treatment under the guidance of ultrasound, e.g., ultrasound-guided ablation, ultrasound-guided injection

Significance:

Scar-free option for patients, minimally invasive, precision treatment, no X-ray radiation

Developed the robotic ultrasound module which allows remote control and autonomous scanning

Aims:

  • Allow accurately manipulate both the ultrasound probe and the treatment device robotically
  • Allow remote guidance & operation by experts
  • Improve the precision and ergonomics
  • Reduce the training time of clinicians by automatic planning and guiding the insertion