Osaka University

Jmc Corporation

Fuyo Corporation

Panasonic I-pro Sensing Solutions Co., Ltd.

Sumita Optical Glass, Inc.

Takashima Sangyo Co., Ltd.

The University of Osaka

Keita Okayama

Makoto Inada

Shinsuke Nanto

Yasushi Sakata

Daichi Watanabe

Munekuni Sato

Seiji Higashiyama

Junji Oowa

Makoto Kamioka

Hiroya Hoshi

Keigo Yanagishima

Kouhei Yazaki

Shigeru Aonuma

You Satou

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.

Heart model

A flexible endoscope of the present invention includes a catheter portion and a connection plug. The catheter portion includes an image guide, a light guide, and a catheter tube that surrounds the image guide and the light guide in a longitudinal direction, and the connection plug includes a hollow cover that accommodates the proximal end of the catheter tube, a flexible tube that protrudes from the hollow cover and through which the catheter tube is passed, a first connection terminal that is connected to the light guide extending from the proximal end of the catheter tube, and a second connection terminal that is connected to the image guide extending from the proximal end of the catheter tube. The image guide and the light guide are slidable inside the catheter tube, and at least one of the image guide and the light guide is arranged curved inside the hollow cover of the connection plug.

Flexible endoscope, and endoscope system equipped with same

An organ model for a catheter simulator is formed from elastic materials, and a heart model for a catheter simulator includes a main body of heart and coronary arteries laid along the surface of the main body of heart, in which a portion of the coronary arteries is attachable and detachable.

Organ model for catheter simulator

An imaging method for a catheter having a heart model, the heart model being installed in a container in a state of having the container filled with a liquid, and being provided with coronary arteries and an aorta. The imaging method includes causing a chemical reaction between an injection agent injected into the coronary arteries through a catheter, and the liquid in the container, and changing the color of the injection agent to the same color as that of the liquid.

Imaging method for catheter simulator

Plug for endoscope includes a flexible tube-shaped sheath through which a plurality of wires are inserted. The plurality of wires is connected to an insertion tip portion having an image capturing portion. The plug includes a housing having a substrate accommodation portion and a sheath introduced portion. The substrate accommodation portion accommodates a substrate, a base end aperture portion of the sheath passed through an opening of the housing is arranged in the sheath introduced portion, and a part of the plurality of wires derived from the base end aperture portion is connected to the substrate. A liquid intrusion prevention wall is provided to stand on a bottom wall of the housing, and the bottom wall is arranged under the base end aperture portion of the sheath in a substantially vertical direction, and the substrate accommodation portion and the sheath introduced portion are spatially isolated from each other.

Plug for endoscope

A container for a catheter simulator includes an accommodating unit for accommodating a liquid, the accommodating unit being defined by side walls and a bottom face. On the side walls, there are formed connection units capable of retaining any one of the heart models selected from a four-chamber heart model, a coronary artery model, and a Transcatheter Aortic Valve Implantation model, the heart model being installed in the accommodating unit in a state of having the accommodating unit filled with a liquid; and installation parts for inserting a catheter from the outside of the container into simulated blood vessels of the heart model.

Container for catheter simulator and heart model accommodated in said container

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

Catheter simulator

A pulsatile flow generating pump for a catheter simulator, which makes it possible to conveniently perform catheter operation training is provided. The pump () includes a cylinder () provided inside with a piston performing a reciprocating motion; a driving motor () causing the piston to perform a reciprocating motion; a link mechanism () converting the rotational motion of the driving motor () to the reciprocating motion of the piston; an extrusion port (), through which a liquid inside the cylinder is extruded to the outside by the piston; a suction port (), through which a liquid from the outside is sucked into the cylinder; and a control unitfor controlling the rotation of the driving motor. The control unitcontrols the driving motorso as to output pulsatile flows at a rate of 20 times to 200 times per minute.

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Suita, Japan

Keita Okayama