Hwan Yi Joo1, Bong Eun Lee2, Chang In Choi3, Dae Hwan Kim4, Gwang Ha Kim2, Tae Yong Jeon4, Dong Heon Kim4, Seokyoung Ahn5. 1. School of Mechanical Engineering, Pusan National University, 63 BusanDaehak-Ro, GeumJeong-Gu, Busan, 46241, South Korea. 2. Department of Gastroenterology, Medical Research Institute, Pusan National University Hospital, 179 Gudeok-Ro, Seo-Gu, Busan, 602-739, South Korea. 3. Department of Surgery, Medical Research Institute, Pusan National University Hospital, 179 Gudeok-Ro, Seo-Gu, Busan, 602-739, South Korea. getz0622@naver.com. 4. Department of Surgery, Medical Research Institute, Pusan National University Hospital, 179 Gudeok-Ro, Seo-Gu, Busan, 602-739, South Korea. 5. School of Mechanical Engineering, Pusan National University, 63 BusanDaehak-Ro, GeumJeong-Gu, Busan, 46241, South Korea. sahn@pusan.ac.kr.
Abstract
PURPOSE: With the widespread use of minimally invasive surgery, tumor detection is becoming more difficult. We present the experimental results of a radio-frequency identification (RFID) lesion detection system in an ex vivo porcine model. METHODS: The efficacy and feasibility of a newly developed RFID lesion detection system were examined. It was applied to the stomach and colon of pigs weighing 40 kg. The RFID clip was attached to the upper and lower mucosal sides of the stomach. Colon specimens with thin and thick walls were used. The clipped sites were marked on the serosa by a pin. The longest distance from the pin the RFID tag could be detected was measured 25 times in each direction. RESULTS: In the upper gastric wall, the RFID tag detection distance was 4.5 ± 0.9 mm, 5.6 ± 0.7 mm, 12.5 ± 0.7 mm, and 5.3 ± 0.5 mm in the four directions, respectively (right, left, upper, and lower). In the antrum, the RFID tag detection distance was 5.8 ± 0.7 mm, 6.9 ± 0.5 mm, 5.6 ± 0.5 mm, and 3.7 ± 0.5 mm in the four directions. In the thin colon, the RFID tag detection distance was 6.3 ± 0.5 mm, 5.0 ± 0.5 mm, 9.7 ± 0.7 mm, and 6.4 ± 0.4 mm in the four directions. In the thick colon, the RFID tag detection distance was 3.5 ± 0.8 mm, 6.6 ± 0.5 mm, 8.4 ± 0.6 mm, and 9.8 ± 0.5 mm in the four directions. The area of detection was smallest for the antrum (83.7 mm2) and similar for the other sites (150.6, 154.7 and 157.7 mm2 for the upper body, thin colon, and thick colon, respectively). CONCLUSIONS: The distance at which the RFID tag was detected was usually within 10 mm. These results indicate the feasibility of the clinical application of the add-on clip and RFID tag as a marker for identifying the location of various gastrointestinal tumors.
PURPOSE: With the widespread use of minimally invasive surgery, tumor detection is becoming more difficult. We present the experimental results of a radio-frequency identification (RFID) lesion detection system in an ex vivo porcine model. METHODS: The efficacy and feasibility of a newly developed RFID lesion detection system were examined. It was applied to the stomach and colon of pigs weighing 40 kg. The RFID clip was attached to the upper and lower mucosal sides of the stomach. Colon specimens with thin and thick walls were used. The clipped sites were marked on the serosa by a pin. The longest distance from the pin the RFID tag could be detected was measured 25 times in each direction. RESULTS: In the upper gastric wall, the RFID tag detection distance was 4.5 ± 0.9 mm, 5.6 ± 0.7 mm, 12.5 ± 0.7 mm, and 5.3 ± 0.5 mm in the four directions, respectively (right, left, upper, and lower). In the antrum, the RFID tag detection distance was 5.8 ± 0.7 mm, 6.9 ± 0.5 mm, 5.6 ± 0.5 mm, and 3.7 ± 0.5 mm in the four directions. In the thin colon, the RFID tag detection distance was 6.3 ± 0.5 mm, 5.0 ± 0.5 mm, 9.7 ± 0.7 mm, and 6.4 ± 0.4 mm in the four directions. In the thick colon, the RFID tag detection distance was 3.5 ± 0.8 mm, 6.6 ± 0.5 mm, 8.4 ± 0.6 mm, and 9.8 ± 0.5 mm in the four directions. The area of detection was smallest for the antrum (83.7 mm2) and similar for the other sites (150.6, 154.7 and 157.7 mm2 for the upper body, thin colon, and thick colon, respectively). CONCLUSIONS: The distance at which the RFID tag was detected was usually within 10 mm. These results indicate the feasibility of the clinical application of the add-on clip and RFID tag as a marker for identifying the location of various gastrointestinal tumors.
Authors: Jaffer A Ajani; James S Barthel; Tanios Bekaii-Saab; David J Bentrem; Thomas A D'Amico; Prajnan Das; Crystal Denlinger; Charles S Fuchs; Hans Gerdes; James A Hayman; Lisa Hazard; Wayne L Hofstetter; David H Ilson; Rajesh N Keswani; Lawrence R Kleinberg; Michael Korn; Kenneth Meredith; Mary F Mulcahy; Mark B Orringer; Raymond U Osarogiagbon; James A Posey; Aaron R Sasson; Walter J Scott; Stephen Shibata; Vivian E M Strong; Mary Kay Washington; Christopher Willett; Douglas E Wood; Cameron D Wright; Gary Yang Journal: J Natl Compr Canc Netw Date: 2010-04 Impact factor: 11.908