Search Results - "Tsumura, Ryosuke"

Robotic fetal ultrasonography platform with a passive scan mechanism by Tsumura, Ryosuke, Iwata, Hiroyasu

“…Purpose The shortage of obstetricians and gynecologists has intensified in developed countries. Our long-term goal is to develop a robotic prenatal care…”
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Suppression of Clothing-Induced Acoustic Attenuation in Robotic Auscultation by Tsumura, Ryosuke, Umezawa, Akihiro, Morishima, Yuko, Iwata, Hiroyasu, Yoshinaka, Kiyoshi

“…For patients who are often embarrassed and uncomfortable when exposing their breasts and having them touched by physicians of different genders during…”
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Towards fully automated robotic platform for remote auscultation by Tsumura, Ryosuke, Koseki, Yoshihiko, Nitta, Naotaka, Yoshinaka, Kiyoshi

“…Background Since most developed countries are facing an increase in the number of patients per healthcare worker due to a declining birth rate and an ageing…”
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A component of the septation initiation network complex, AaSepM, is involved in multiple cellulose-responsive signaling pathways in Aspergillus aculeatus by Tsumura, Ryosuke, Sawada, Kazumi, Kunitake, Emi, Sumitani, Jun-ichi, Kawaguchi, Takashi, Tani, Shuji

“…Various carbohydrate-active enzymes in Aspergillus are produced in response to physiological inducers, which is regulated at the transcriptional level. To…”
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Body surface registration considering individual differences with non-rigid iterative closest point by Tsumura, Ryosuke, Morishima, Yuko, Koseki, Yoshihiko, Yoshinaka, Kiyoshi

“…Purpose In telemedicine such as remote auscultation, patients themselves or non-medical people such as patient’s parents need to place the stethoscope on their…”
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Rib region detection for scanning path planning for fully automated robotic abdominal ultrasonography by Okuzaki, Koudai, Koizumi, Norihiro, Yoshinaka, Kiyoshi, Nishiyama, Yu, Zhou, Jiayi, Tsumura, Ryosuke

“…Purpose Scanning path planning is an essential technology for fully automated ultrasound (US) robotics. During biliary scanning, the subcostal boundary is…”
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Acoustic-resolution photoacoustic microscope based on compact and low-cost delta configuration actuator by Gao, Shang, Tsumura, Ryosuke, Vang, Doua P., Bisland, Keion, Xu, Keshuai, Tsunoi, Yasuyuki, Zhang, Haichong K.

“…•An acoustic-resolution photoacoustic microscopy based on a compact and low-cost delta configuration actuator is introduced.•The effect of the data acquisition…”
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Diagnostic posture control system for seated-style echocardiography robot by Shida, Yuuki, Sugawara, Masami, Tsumura, Ryosuke, Chiba, Haruaki, Uejima, Tokuhisa, Iwata, Hiroyasu

“…Purpose Conventional robotic ultrasound systems were utilized with patients in supine positions. Meanwhile, the limitation of the systems is that it is…”
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Image Search Strategy via Visual Servoing for Robotic Kidney Ultrasound Imaging by Fujibayashi, Takumi, Koizumi, Norihiro, Nishiyama, Yu, Zhou, Jiayi, Tsukihara, Hiroyuki, Yoshinaka, Kiyoshi, Tsumura, Ryosuke

“…Ultrasound (US) imaging is beneficial for kidney diagnosis; however, it involves sophisticated tasks that must be performed by physicians to obtain the target…”
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Study on method of organ section retention and tracking through deep learning in automated diagnostic and therapeutic robotics by Fujibayashi, Takumi, Koizumi, Norihiro, Nishiyama, Yu, Watanabe, Yusuke, Zhou, Jiayi, Matsuyama, Momoko, Yamada, Miyu, Tsumura, Ryosuke, Yoshinaka, Kiyoshi, Matsumoto, Naoki, Tsukihara, Hiroyuki, Numata, Kazushi

“…Purpose In high-intensity focused ultrasound (HIFU) treatment of the kidney and liver, tracking the organs is essential because respiratory motions make…”
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Tele-Operative Low-Cost Robotic Lung Ultrasound Scanning Platform for Triage of COVID-19 Patients by Tsumura, Ryosuke, Hardin, John W., Bimbraw, Keshav, Grossestreuer, Anne V., Odusanya, Olushola S., Zheng, Yihao, Hill, Jeffrey C., Hoffmann, Beatrice, Soboyejo, Winston, Zhang, Haichong K.

“…Novel severe acute respiratory syndrome coronavirus 2 (COVID-19) has become a pandemic of epic proportions, and global response to prepare health systems…”
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Trajectory Planning for Abdominal Fine Needle Insertion Based on Insertion Angles by Tsumura, Ryosuke, Iwata, Hiroyasu

“…Fine needles can easily be deflected, making accurate needle insertion into a tumor difficult. In particular, it is difficult to insert the needle into a tumor…”
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Methods of control for minimizing extra-fine needle deflection with a combination of vibration and rotation in the lower abdomen by Ryosuke TSUMURA, Hiroyasu IWATA

“…Cancer vaccine therapy is a novel treatment method which uses an extra-fine (0.53 mm in diameter (25 G)) needle to deliver a tumor-specific vaccine directly…”
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Preoperative Needle Insertion Path Planning for Minimizing Deflection in Multilayered Tissues by Tsumura, Ryosuke, Kim, Jin Seob, Iwata, Hiroyasu, Iordachita, Iulian

“…Fine needle deflection is a problem encountered during insertion into a soft tissue. Although an axial rotational insertion is an effective approach for…”
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Robotic Auscultation over Clothes for Eliminating Gender Bias by Tsumura, Ryosuke, Umezawa, Akihiro, Morishima, Yuko, Iwata, Hiroyasu, Koseki, Yoshihiko, Nitta, Naotaka, Yoshinaka, Kiyoshi

“…During auscultation, patients in difficult age often feel embarrassed and uncomfortable when exposing their chests to doctors of the different gender and being…”
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A VS ultrasound diagnostic system with kidney image evaluation functions by Zhou, Jiayi, Koizumi, Norihiro, Nishiyama, Yu, Kogiso, Kiminao, Ishikawa, Tomohiro, Kobayashi, Kento, Watanabe, Yusuke, Fujibayashi, Takumi, Yamada, Miyu, Matsuyama, Momoko, Tsukihara, Hiroyuki, Tsumura, Ryosuke, Yoshinaka, Kiyoshi, Matsumoto, Naoki, Ogawa, Masahiro, Miyazaki, Hideyo, Numata, Kazushi, Nagaoka, Hidetoshi, Iwai, Toshiyuki, Iijima, Hideyuki

“…Purpose An inevitable feature of ultrasound-based diagnoses is that the quality of the ultrasound images produced depends directly on the skill of the…”
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Mechanical-Based Model for Extra-Fine Needle Tip Deflection Until Breaching of Tissue Surface by Tsumura, Ryosuke, Miyashita, Tomoyuki, Iwata, Hiroyasu

“…Accurate estimation of needle deflection is necessary to successfully steer the needle to targets located deep inside the body. In particular, the deflection…”
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Insertion method for minimizing fine needle deflection in bowel insertion based on experimental analysis by Tsumura, Ryosuke, Shitashima, Kai, Iwata, Hiroyasu

“…Accurate insertion of fine needles is difficult due to needle deflection. Needle deflection in the lower abdomen is particularly complex, as the needle has to…”
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Histological evaluation of tissue damage caused by rotational needle insertion by Tsumura, Ryosuke, Takishita, Yusuke, Fukushima, Yuta, Iwata, Hiroyasu

“…Needles used in percutaneous insertion must be as thin as possible to minimize invasiveness. However, using extra-thin needles with a diameter less than 25G…”
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Quantitative Evaluation of Bleeding during Blood Vessel Puncture Caused by Fine Needle in Lower Abdomen by Izumi, Koki, Tsumura, Ryosuke, Iwata, Hiroyasu

“…Inserting a fine needle presents a trade-off problem between safety and accuracy. As one of the serious complications due to tissue damages during needle…”
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