World Academy of Science, Engineering and Technology, International Journal of Medical, Health, Biomedical, Bioengineering and Pharmaceutical Engineering最新文献
Sensorized instruments that accurately measure the interaction forces (between biological tissue and instrument end- effector) during surgical procedures offer surgeons a greater sense of immersion during minimally invasive robotic surgery. Although there is ongoing research into force measurement involving surgical graspers little corresponding effort has been carried out on the measurement of forces between scissor blades and tissue. This paper presents the design and development of a force measurement test apparatus, which will serve as a sensor characterization and evaluation platform. The primary aim of the experiments is to ascertain whether the system can differentiate between tissue samples with differing mechanical properties in a reliable, repeatable manner. Force-angular displacement curves highlight trends in the cutting process as well the forces generated along the blade during a cutting procedure. Future applications of the test equipment will involve the assessment of new direct force sensing technologies for telerobotic surgery.
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Pub Date : 2007-01-27DOI: 10.1115/BIOMED2007-38030
Eun-Geun Kim, W. Park, D. Woo, Changyong Ko, Yong-Heum Lee, D. Lim, Taemin Shin, Hansung Kim, Gyoun-Jung Lee
Functional gastrointestinal disorders affect millions of people spread all age regardless of race and sex. There are, however, rare diagnostic methods for the functional gastrointestinal disorders because functional disorders show no evidence of organic and physical causes. Our research group identified recently that the gastrointestinal tract well in the patients with the functional gastrointestinal disorders becomes more rigid than healthy people when palpating the abdominal regions overlaying the gastrointestinal tract. Aim of this study is, therefore, to develop a diagnostic system for the functional gastrointestinal disorders based on ultrasound technique, which can quantify the characteristic above related to the rigidity of the gastrointestinal tract well. Ultrasound system was designed. The system consisted of transmitter, ultrasonic transducer, receiver, TGC, and CPLD, and verified via a phantom test. For the phantom test, ten soft-tissue specimens were harvested from porcine. Five of them were then treated chemically to mimic a rigid condition of gastrointestinal tract well, which was induced by functional gastrointestinal disorders. Additionally, the specimens were tested mechanically to identify if the mimic was reasonable. The customized ultrasound system was finally Manuscript received November 30, 2006. This research was supported by Regional Research Center Program which was conducted by the Ministry of Commerce, Industry and Energy of the Korean Government. Eun Geun Kim is with Department of Biomedical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2805; fax: +82-33-760-2805; e-mail: kimeg917@gmail.com). Won Pil Park is with Department of Biomedical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2913; fax: +82-33-760-2913; e-mail: pwpil@cabe.yonsei.ac.kr). Dae Gon Woo is with Department of Biomedical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2913; fax: +82-33-760-2913; E-mail: dragon1180@yonsei.ac.kr). Chang Yong Ko is with Department of Biomedical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2913; fax: +82-33-760-2913; e-mail: cyko@cabe.yonsei.ac.kr). Dohyung Lim is with Institute of Medical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2913; fax: +82-33-760-2913; e-mail: pwpil@cabe.yonsei.ac.kr). Yong Heum Lee is with Institute of Medical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2805; fax: +82-33-760-2805; e-mail: koaim@yonsei.ac.kr). Tae Min Shin is with Institute of Medical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2805; fax: +82-33-760-2805; e-mail: tmshin@yonsei.ac.kr). Han Sung Kim is with Institute of Medical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2913; fax: +82-33-760-2913; e-mail: hanskim@yonsei.ac.kr). Gyoun Jung Lee is with Department of Biomedical Engineering, Yonsei University, Wonju, Korea (corresponding author to provide phone: +82-33-760-2805; fax: +82-
{"title":"Ultrasonic System for Diagnosis of Functional Gastrointestinal Disorders: Development, Verification and Clinical Trials","authors":"Eun-Geun Kim, W. Park, D. Woo, Changyong Ko, Yong-Heum Lee, D. Lim, Taemin Shin, Hansung Kim, Gyoun-Jung Lee","doi":"10.1115/BIOMED2007-38030","DOIUrl":"https://doi.org/10.1115/BIOMED2007-38030","url":null,"abstract":"Functional gastrointestinal disorders affect millions of people spread all age regardless of race and sex. There are, however, rare diagnostic methods for the functional gastrointestinal disorders because functional disorders show no evidence of organic and physical causes. Our research group identified recently that the gastrointestinal tract well in the patients with the functional gastrointestinal disorders becomes more rigid than healthy people when palpating the abdominal regions overlaying the gastrointestinal tract. Aim of this study is, therefore, to develop a diagnostic system for the functional gastrointestinal disorders based on ultrasound technique, which can quantify the characteristic above related to the rigidity of the gastrointestinal tract well. Ultrasound system was designed. The system consisted of transmitter, ultrasonic transducer, receiver, TGC, and CPLD, and verified via a phantom test. For the phantom test, ten soft-tissue specimens were harvested from porcine. Five of them were then treated chemically to mimic a rigid condition of gastrointestinal tract well, which was induced by functional gastrointestinal disorders. Additionally, the specimens were tested mechanically to identify if the mimic was reasonable. The customized ultrasound system was finally Manuscript received November 30, 2006. This research was supported by Regional Research Center Program which was conducted by the Ministry of Commerce, Industry and Energy of the Korean Government. Eun Geun Kim is with Department of Biomedical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2805; fax: +82-33-760-2805; e-mail: kimeg917@gmail.com). Won Pil Park is with Department of Biomedical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2913; fax: +82-33-760-2913; e-mail: pwpil@cabe.yonsei.ac.kr). Dae Gon Woo is with Department of Biomedical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2913; fax: +82-33-760-2913; E-mail: dragon1180@yonsei.ac.kr). Chang Yong Ko is with Department of Biomedical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2913; fax: +82-33-760-2913; e-mail: cyko@cabe.yonsei.ac.kr). Dohyung Lim is with Institute of Medical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2913; fax: +82-33-760-2913; e-mail: pwpil@cabe.yonsei.ac.kr). Yong Heum Lee is with Institute of Medical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2805; fax: +82-33-760-2805; e-mail: koaim@yonsei.ac.kr). Tae Min Shin is with Institute of Medical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2805; fax: +82-33-760-2805; e-mail: tmshin@yonsei.ac.kr). Han Sung Kim is with Institute of Medical Engineering, Yonsei University, Wonju, Korea (phone: +82-33-760-2913; fax: +82-33-760-2913; e-mail: hanskim@yonsei.ac.kr). Gyoun Jung Lee is with Department of Biomedical Engineering, Yonsei University, Wonju, Korea (corresponding author to provide phone: +82-33-760-2805; fax: +82-","PeriodicalId":23673,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Medical, Health, Biomedical, Bioengineering and Pharmaceutical Engineering","volume":"186 1","pages":"14-19"},"PeriodicalIF":0.0,"publicationDate":"2007-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83447339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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