The safety issues of medical robotics

Baowei Fei, Wan Sing Ng, Sunita Chauhan, Chee Keong Kwoh

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

In this paper, we put forward a systematic method to analyze, control and evaluate the safety issues of medical robotics. We created a safety model that consists of three axes to analyze safety factors. Software and hardware are the two material axes. The third axis is the policy that controls all phases of design, production, testing and application of the robot system. The policy was defined as hazard identification and safety insurance control (HISIC) that includes seven principles: definitions and requirements, hazard identification, safety insurance control, safety critical limits, monitoring and control, verification and validation, system log and documentation. HISIC was implemented in the development of a robot for urological applications that was known as URObot. The URObot is a universal robot with different modules adaptable for 3D ultrasound image-guided interstitial laser coagulation, radiation seed implantation, laser resection, and electrical resection of the prostate. Safety was always the key issue in the building of the robot. The HISIC strategies were adopted for safety enhancement in mechanical, electrical and software design. The initial test on URObot showed that HISIC had the potential ability to improve the safety of the system. Further safety experiments are being conducted in our laboratory.

Original languageEnglish (US)
Pages (from-to)183-192
Number of pages10
JournalReliability Engineering and System Safety
Volume73
Issue number2
DOIs
StatePublished - Aug 1 2001
Externally publishedYes

Fingerprint

Robotics
Insurance
Hazards
Robots
Lasers
Safety factor
Software design
Coagulation
Seed
Ultrasonics
Hardware
Radiation
Monitoring
Testing

Keywords

  • Benign prostate hyperplasia and Prostate cancer
  • Electrical resection
  • Image-guided surgery
  • Interstitial laser coagulation
  • Laser resection
  • Medical robotics
  • Radiation seed implantation
  • Safety-critical system
  • Transurethral resection of the prostate

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Industrial and Manufacturing Engineering

Cite this

The safety issues of medical robotics. / Fei, Baowei; Ng, Wan Sing; Chauhan, Sunita; Kwoh, Chee Keong.

In: Reliability Engineering and System Safety, Vol. 73, No. 2, 01.08.2001, p. 183-192.

Research output: Contribution to journalArticle

Fei, Baowei ; Ng, Wan Sing ; Chauhan, Sunita ; Kwoh, Chee Keong. / The safety issues of medical robotics. In: Reliability Engineering and System Safety. 2001 ; Vol. 73, No. 2. pp. 183-192.
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