Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Kaku Irisawa"'
Autor:
Hiroaki Ikematsu, Miya Ishihara, Shinpei Okawa, Tatsunori Minamide, Tomohiro Mitsui, Takeshi Kuwata, Masaaki Ito, Takahiro Kinoshita, Takeo Fujita, Tomonori Yano, Toshihiko Omori, Satoshi Ozawa, Dai Murakoshi, Kaku Irisawa, Atsushi Ochiai
Publikováno v:
DEN Open, Vol 2, Iss 1, Pp n/a-n/a (2022)
Abstract Objective Photoacoustic (PA) imaging is a novel noninvasive technique that offers high‐contrast tomographic imaging with ultrasound‐like resolution at depths of centimeters, enabling visualization of deep small vessels. The aim of this p
Externí odkaz:
https://doaj.org/article/3986bcf614bf4852bd8a055b2e48620b
Autor:
Dai Murakoshi, Shinpei Okawa, Takeshi Kuwata, Kaku Irisawa, Tomonori Yano, Tomohiro Mitsui, Satoshi Ozawa, Miya Ishihara, Atsushi Ochiai, Toshihiko Omori, Takeo Fujita, Tatsunori Minamide, Masaaki Ito, Hiroaki Ikematsu, Takahiro Kinoshita
Publikováno v:
DEN open. 2(1)
Photoacoustic (PA) imaging is a novel noninvasive technique that offers high-contrast tomographic imaging with ultrasound-like resolution at depths of centimeters, enabling visualization of deep small vessels. The aim of this pilot study was to surve
Autor:
Miya Ishihara, Takeshi Hirasawa, Kaku Irisawa, Hitoshi Nukada, Dai Murakoshi, Shinpei Okawa, Takeshi Osonoi, Ryuichi Azuma, Soroku Yagihashi
Publikováno v:
Photons Plus Ultrasound: Imaging and Sensing 2019.
We developed a Photoacoustic (PA) imaging system which could be realized the fusion of PA and conventional Ultrasound (US) image. The prototype PA system for clinical study had comprised a 755 nm laser light source, and a 9 MHz US linear array probe.
Autor:
Takahiro Kinoshita, Satoshi Ozawa, Dai Murakoshi, Masaaki Ito, Takeo Fujita, Tomonori Yano, Shinpei Okawa, Tatsunori Minamide, Hiroaki Ikematsu, Atsushi Ochiai, Toshihiko Omori, Kaku Irisawa, Miya Ishihara, Takeshi Kuwata
Publikováno v:
Gastroenterology. 158:S-559
Autor:
Miya Ishihara, Hiroyasu Ishii, Dai Murakoshi, Kaku Irisawa, Kazuhiro Hirota, Kenji Itoh, Atsushi Hashimoto, Tetsurou Ebata, Takatsugu Wada, Toshiro Hayakawa
Publikováno v:
Photons Plus Ultrasound: Imaging and Sensing 2018.
Photoacoustic (PA) imaging technology is expected to be applied to clinical assessment for peripheral vascularity. We started a clinical evaluation with the prototype PA imaging system we recently developed. Prototype PA imaging system was composed w
Autor:
Kaku Irisawa, Keiichi Ito, Tadashi Kasamatsu, Hitoshi Tsuda, Masayuki Shinchi, Kazuhiro Hirota, Makoto Kawaguchi, Miya Ishihara, Hiroshi Shinmoto, Akio Horiguchi, Tomohiko Asano, Kazuhiro Tsujita
Publikováno v:
The Prostate. 76:307-315
BACKGROUND Photoacoustic imaging, a noninvasive imaging based on optical excitation and ultrasonic detection, enables one to visualize the distribution of hemoglobin and acquire a map of microvessels without using contrast agents. We examined whether
Publikováno v:
SPIE Proceedings.
PhotoAcoustic (PA) imaging is a promising imaging method using the pulsed-laser light source and ultrasound detector. PA image shows the features of optical contrast in biological tissue with ultrasound-like depth and resolution. In the human body, H
Autor:
Tomohiko Asano, Hiroshi Shinmoto, Takatsugu Wada, Miya Ishihara, Hitoshi Tsuda, Akio Horiguchi, Kaku Irisawa, Masayuki Shinchi
Publikováno v:
Photons Plus Ultrasound: Imaging and Sensing 2017.
A transrectral ultrasonography (TRUS) guided prostate biopsy is mandatory for histological diagnosis in patients with an elevated serum prostate-specific antigen (PSA), but its diagnostic accuracy is not satisfactory; therefore, a considerable number
Publikováno v:
Photons Plus Ultrasound: Imaging and Sensing 2017.
Visualization of the tip of medical devices like needles or catheters under ultrasound imaging has been a continuous topic since the early 1980’s. In this study, a needle tip visualization system utilizing photoacoustic effects is proposed. In orde
Autor:
Hitoshi Tsuda, Tomohiko Asano, Takatsugu Wada, Kaku Irisawa, Hiroshi Shinmoto, Akio Horiguchi, Miya Ishihara
Publikováno v:
SPIE Proceedings.
Transrectal ultrasonography (TRUS) is the most popular imaging modality for diagnosing and treating prostate cancer. TRUS-guided prostate biopsy is mandatory for the histological diagnosis of patients with elevated serum prostatespecific antigen (PSA