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Biomedical applications of capsule and rehabilitation robotsThe rapid development of emerging technologies in the areas of traditional mechanical machinery, electronic engineering and advanced micro-processors, has brought a great opportunity for the development and applications of biomedical engineering instruments with robot technology in traditional medicine. At the same time, because of the progress of human civilisation and improvement of living standards, people have higher and more critical requirements to the bio-medical technology. Under these circumstances, researchers from all over the world have made fruitful achievements in promoting the development of medical robots, medical automation and robotic manipulation. Medical robot engineering is a discipline which applies the latest results of research and development to the medical treatment and rehabilitation. This paper reviews a range of widely-used applications of the micro-robot and rehabilitation robots to provide an overview and understanding of the current development in this area.
Direct laser interference technology and potential applicationsDevelopment of direct laser interference technology (DLIT) is reviewed in this paper. With the merits of being independent on the pretreatment, mask and pattern transfer processes, DLIT is demonstrated a facile and efficient method of producing sub-micro structures on various material surfaces. From a representative perspective, a number of past achievements, containing theoretical and practice aspects, attained by the nanosecond, picosecond, and femtosecond laser interference techniques are introduced. Advantages and limitations in comparison to one another are also addressed. With the progress of the emerging subwavelength structures (e.g. metasurfaces, plasmonic structures) offering the fascinating possibility of controlling the behaviour of light in an unprecedented way, the perspectives of potential applications benefited from DLIT are finally given.