公开(公告)号：US20230005390A1

公开(公告)日：2023-01-05

申请号：US17940319

申请日：2022-09-08

Applicant: OSAKA UNIVERSITY ,  JMC CORPORATION

Inventor： Keita OKAYAMA ,  Yasushi SAKATA ,  Daichi WATANABE ,  Makoto INADA

IPC: G09B23/28

Abstract: The present invention is a heart model that is used at the time of performing a simulation of an operation for installing a leadless pacemaker in the inner part or a simulation of a myocardial examination method of collecting myocardial tissue, and is formed by means of a material having elasticity. The heart model has a main body having a right atrium, a right ventricle, a left atrium, and a left ventricle in the inner part; an inferior vena cava provided in the main body and allowing insertion therethrough of a catheter holding a leadless pacemaker; and a holder detachably provided inside the main body and including a flexible part capable of locking a locking part of a leadless pacemaker.

公开(公告)号：US20170270830A1

公开(公告)日：2017-09-21

申请号：US15403478

申请日：2017-01-11

Applicant: Takashima Sangyo Co. Ltd. ,  Osaka University

Inventor： Keita OKAYAMA ,  Yasushi SAKATA ,  Keigo YANAGISHIMA ,  Shigeru AONUMA ,  You SATOU ,  Kouhei YAZAKI ,  Junji OOWA

IPC: G09B23/30 ,  A61F2/82

CPC classification number: G09B23/30 ,  A61F2/82 ,  A61F2/958 ,  A61F2002/9528 ,  A61F2002/9583 ,  A61F2210/0014 ,  A61F2230/0069 ,  A61F2250/0039 ,  G09B23/285 ,  G09B23/34

Abstract: A stent is formed of a shape-memory alloy and is to be inserted and placed inside a three-dimensional model of a biological organ manufactured for training, under a state in which the stent is mounted on a balloon of a balloon catheter. The stent is expandable under a room temperature environment. When heated to a predetermined temperature higher than room temperature, the stent is contracted until an inner diameter of the stent becomes smaller than an outer diameter of the balloon in a contracted state, and returns to an original shape thereof.

公开(公告)号：US20240046819A1

公开(公告)日：2024-02-08

申请号：US18382120

申请日：2023-10-20

Applicant: OSAKA UNIVERSITY ,  JMC CORPORATION

Inventor： Keita OKAYAMA ,  Yasushi SAKATA ,  Daichi WATANABE ,  Makoto INADA

IPC: G09B23/30

CPC classification number: G09B23/303

Abstract: A heart model includes a main body formed from an elastic material and including a left atrium and a left ventricle, with a mitral valve installed at a boundary portion between the left atrium and the left ventricle; and a vena cava provided in the main body, wherein the mitral valve includes an anterior leaflet and a posterior leaflet, both the leaflets extending to the left ventricle side and capable of opening and closing, and the anterior leaflet and the posterior leaflet are each provided on a tip side with a plurality of string-shaped members extending into the left ventricle.

公开(公告)号：US20180018904A1

公开(公告)日：2018-01-18

申请号：US15718682

申请日：2017-09-28

Applicant: OSAKA UNIVERSITY ,  JMC CORPORATION ,  FUYO CORPORATION

Inventor： Keita OKAYAMA ,  Yasushi SAKATA ,  Shinsuke NANTO ,  Daichi WATANABE ,  Makoto INADA ,  Munekuni SATO

IPC: G09B23/30 ,  G09B23/28 ,  G09B23/32 ,  G09B23/34

CPC classification number: G09B23/303 ,  A61B90/00 ,  G09B23/286 ,  G09B23/32 ,  G09B23/34

Abstract: A container 10 for a catheter simulator comprising an accommodating unit 10a for accommodating a liquid, the accommodating unit 10a being defined by side walls 11 to 14 and a bottom face 15. On the side walls, there are formed connection units 11a and 11c capable of retaining any one of the heart models selected from a four-chamber heart model, a coronary artery model, and a TAVI model, the heart model being installed in the accommodating unit 10a in a state of having the accommodating unit filled with a liquid; and installation parts 11d, 12a, and 13a for inserting a catheter from the outside of the container into simulated blood vessels of the heart model.

公开(公告)号：US20250054414A1

公开(公告)日：2025-02-13

申请号：US18922582

申请日：2024-10-22

Applicant: OSAKA UNIVERSITY ,  JMC CORPORATION

Inventor： Keita OKAYAMA ,  Yasushi SAKATA ,  Daichi WATANABE ,  Makoto INADA ,  Takuya YUDASAKA

IPC: G09B23/28

Abstract: An organ model for a medical device, which is held in a container in a state of being filled with a liquid and into which a catheter can be inserted through insertion parts provided on the container, comprise a soft member including a holding part that is held in the container, and a hard member including a plate-shaped part installed on the inner surface of the container and being integrated with the soft member, wherein the hard member is not fixed to the container, is attachable to or detachable from the soft member, and is positioned by being connected to the soft member.

公开(公告)号：US20240021104A1

公开(公告)日：2024-01-18

申请号：US18374546

申请日：2023-09-28

Applicant: OSAKA UNIVERSITY ,  JMC CORPORATION

Inventor： Keita OKAYAMA ,  Yasushi SAKATA ,  Daichi WATANABE ,  Makoto INADA

IPC: G09B23/30 ,  G09B23/34

CPC classification number: G09B23/303 ,  G09B23/34 ,  A61M25/0662

Abstract: A catheter simulator includes a container capable of accommodating a liquid in an accommodation part surrounded by side walls and a bottom part; a cerebral blood vessel model held in the container in a state of accommodating a liquid; a pump connected to the container and circulating the liquid inside the cerebral blood vessel model held therein; and a holder provided on the side walls of the container and the cerebral blood vessel model and holding the cerebral blood vessel model in a state of having the container filled with the liquid, wherein the holder includes a first holding part holding an end of an ascending aorta of the cerebral blood vessel model, and a second holding part holding an end of a descending aorta of the cerebral blood vessel model.

公开(公告)号：US20170103682A1

公开(公告)日：2017-04-13

申请号：US15388203

申请日：2016-12-22

Applicant: OSAKA UNIVERSITY ,  JMC CORPORATION

Inventor： Keita OKAYAMA ,  Shinsuke NANTO ,  Yasushi SAKATA ,  Daichi WATANABE ,  Makoto INADA ,  Munekuni SATO

IPC: G09B23/30 ,  G06T7/00 ,  G09B9/00

Abstract: A catheter simulator (10) of the invention has a container (20) filled with a liquid; an elastic heart model (30) installed in a floating state in the liquid with which the container (20) is filled; and a pump (50) connected to the heart model (30). The pump (50) is connected to an apex section of the heart model and produces a pulsatile flow from the apex section toward an aorta. Coronary arteries (33) provided on the surface of a main body (30A) of the heart model (30), pulsate together with the main body as a result of the pulsatile flow flowing from the pump (50).

公开(公告)号：US20240055139A1

公开(公告)日：2024-02-15

申请号：US18030990

申请日：2021-10-12

Applicant: OSAKA UNIVERSITY

Inventor： Ken NAKATA ,  Yasushi SAKATA ,  Keita YAMASAKI ,  Teruki YOKOYAMA ,  Shoji KONDA

IPC: G16H50/80 ,  A61B5/0205 ,  A61B5/024 ,  A61B5/11

CPC classification number: G16H50/80 ,  A61B5/02055 ,  A61B5/024 ,  A61B5/11

Abstract: An apparatus (1) includes an exercise sensor (31) that continuously detects a movement of an exerciser accompanied by intermittent exercise, and a heart rate meter (32) that continuously measures a heart rate of the exerciser, and further includes an activity detection unit (12), a heart rate monitoring unit (13), an activity monitoring unit (14), and a notification processing unit (15). The activity detection unit (12) detects, from the movement of the exerciser, an activity intensity, a high activity intensity period, and a low activity intensity period. The heart rate monitoring unit (13) detects a declining trend in the heart rate of the exerciser, in the low activity intensity period each time, and monitors whether or not the declining trend of this time is low as compared with a predetermined reference. The activity monitoring unit (14), in a case in which the monitoring by the heart rate monitoring unit is affirmed, monitors whether or not the activity intensity to be detected in the high activity intensity period of a next time is low as compared with activity intensities detected in high activity intensity periods up to a previous time. The notification processing unit (15), in a case in which the monitoring by the activity monitoring unit is affirmed, forecasts an outbreak of disease. With this configuration, the outbreak of disease in an exerciser during an exercise is forecasted with higher accuracy.

公开(公告)号：US20240008761A1

公开(公告)日：2024-01-11

申请号：US18265040

申请日：2021-11-25

Applicant: OSAKA UNIVERSITY

Inventor： Hidetaka KIOKA ,  Yusuke TAKAHASHI ,  Shinichiro FUKUHARA ,  Yasushi SAKATA ,  Norio NONOMURA ,  Seiji TAKASHIMA ,  Shigeyoshi SAITO

IPC: A61B5/055 ,  G01R33/485 ,  A61B5/00

CPC classification number: A61B5/055 ,  G01R33/485 ,  A61B5/4387

Abstract: An evaluation method is performed by an arithmetic circuit and includes obtainment processing (S1), evaluation processing (S2), and presentation processing (S3). The obtainment processing (S1) obtains: image information on a sectional image representing an interested section of an organism including a target section of a testis of the organism generated by use of magnetic resonance of hydrogen atoms; and concentration information on a creatine concentration in the interested section measured by use of magnetic resonance based on chemical exchange saturation transfer. The evaluation processing (S2) generates an evaluation image representing a distribution of evaluation results of a testicular function in the target section based on the concentration information. The presentation processing (S3) presents the sectional image and the evaluation image.

公开(公告)号：US20210142695A1

公开(公告)日：2021-05-13

申请号：US17154119

申请日：2021-01-21

Applicant: OSAKA UNIVERSITY ,  JMC CORPORATION ,  FUYO CORPORATION

Inventor： Keita OKAYAMA ,  Yasushi SAKATA ,  Shinsuke NANTO ,  Daichi WATANABE ,  Makoto INADA ,  Munekuni SATO

IPC: G09B23/30 ,  G09B23/32 ,  A61B90/00 ,  G09B23/28 ,  G09B23/34

Abstract: A heart model is retained in a container for a catheter simulator. The container includes an accommodating unit for accommodating a liquid, having side walls and a bottom surface, a connection unit attached to one of the side walls and retaining the heart model, and an installation part provided on one of the side walls. The installation part is configured to insert a catheter from an outside of the container into the simulated blood vessel of the heart model. The connection unit includes a holding protrusion protruding inside the accommodating unit, and a communicating hole. A front end of the holding protrusion is open so that the heart model is detachable from and reattachable to the holding protrusion by inserting and extracting a terminal of the heart model.