Mitsubishi Rayon Company, Limited

Terumo Corporation

Mitsubishi Rayon Engineering Co., Ltd.

Terumo Kabushiki Kaisha

Michio Kanno

Yuichi Morioka

Satoshi Takeda

Hiroki Sakakibara

Katsuya Sanai

Yoshinori Nagasaka

Masanori Itakura

Manabu Yanou

Masaru Uehara

Akira Igari

Atsuhiko Nogawa

Mitsumasa Koremura

A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus and a circulation pump, wherein water in a bath is circulated by the circulation pump, and carbonic acid gas is fed into the carbonic acid gas dissolving apparatus to dissolve the carbonic acid gas in the water, and wherein the circulation pump is a positive-displacement metering pump having a self-priming ability; a carbonic water production method using this apparatus; a carbonic water production method including an early step for producing a carbonic water and a concentration maintaining step for the carbonic water; a carbonic water production apparatus equipped with a device for controlling the feeding pressure of carbonic water gas so as to give an intended concentration of carbonic acid gas; a carbonic water production apparatus which automatically discharges out a drain; and a carbonic water production apparatus combined with a portable foot bath.

Carbonic water production apparatus and carbonic water production method

A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatusand a circulation pumpwherein water in a bathis circulated by the circulation pumpand a carbonic acid gas is fed into the carbonic acid gas dissolving apparatusto dissolve the carbonic acid gas in the water, and wherein the circulation pumpis a positive-displacement metering pump having a self-priming ability; a carbonic water production method using this apparatus; a carbonic water production method comprising an early step for producing a carbonic water and a concentration maintaining step for the carbonic water; a carbonic water production apparatus equipped with a control for controlling the feeding pressure of carbonic water gas so that give an intended concentration of carbonic acid gas; a carbonic water production apparatus which automatically discharges out a drain; and a carbonic water production apparatus combined with a portable foot bath.

A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatusand a circulation pump, wherein water in a bathis circulated by the circulation pump, and a carbonic acid gas is fed into the carbonic acid gas dissolving apparatusto dissolve the carbonic acid gas in the water. The circulation pumpis a positive-displacement metering pump having a self-priming ability. A carbonic water production method using this apparatus is also provided, including an early step for producing carbonic water and a concentration maintaining step for the carbonic water. The carbonic water production apparatus includes a control for controlling the feeding pressure of carbonic water gas to give an intended concentration of carbonic acid gas. The carbonic water production apparatus automatically discharges out a drain. The carbonic water production apparatus is combined with a portable foot bath.

A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatusand a circulation pumpwherein water in a bathis circulated by the circulation pump, and a carbonic acid gas is fed into the carbonic acid gas dissolving apparatusto dissolve the carbonic acid gas in the water, and wherein the circulation pumpis a positive-displacement metering pump having a self-priming ability; a carbonic water production method using this apparatus; a carbonic water production method comprising an early step for producing a carbonic water and a concentration maintaining step for the carbonic water; a carbonic water production apparatus equipped with a control for controlling the feeding pressure of carbonic water gas so that give an intended concentration of carbonic acid gas; a carbonic water production apparatus which automatically discharges out a drain; and a carbonic water production apparatus combined with a portable foot bath.

Apparatus and method for producing aqueous carbonic acid solution

A crude oil processing method is provided wherein a membrane module is immersed in the crude oil contained in a processing tank and the crude oil is pressurized or driven by gravity for gravitational filtration, thereby to pass through the membrane, with the dehydrated oil that has passed being taken out through an oil collecting pipe. According to this method, a high degree of separation and removal of water content from the crude oil can be carried out regardless of the properties of the crude oil, and muddy matter can also be separated and removed.

Device and method for processing crude oil

A medical device for the transfer of substances, includes a cylindrical housing and, a hollow fiber bundle of a plurality of hollow fiber membranes for transfer of the substances which bundle is inserted within the housing. A first substance transfer chamber is defined by the outer surfaces of the hollow fiber membranes and the inner wall surfaces of the housing, and a first substance transferring inlet and an outlet both communicate with the first substance transfer chamber. Partitions are arranged to support fixedly the opposite ends of the hollow fiber membranes in position, and separate the ends from the substance transfer chamber. A second substance transferring fluid inlet and an outlet communicate with the interior spaces of the hollow fiber membranes, which inlet and outlet are formed together with flow path forming members attached to the opposite ends of the housing, wherein each flow path forming member is provided with an annular protuberance. The flow path forming members and the partitions are fastened to each other by sealing interfacial gaps between them with a packing paterial applied to the outer edges of the protuberances of the flow path forming members, so as to contact the packing material with the partitions.

Device for transfer of medical substance

In a medical device for sampling fluid, typically blood, two check valves are arranged in series in a fluid sampling line to cause the fluid to flow in one direction and a fluid sampler is connected to the fluid line between the two check valves through an adaptor, thereby preventing the fluid from flowing from the sampler to the inlet of the upstream check valve. The inlet of the upstream check valve is connectable to a plurality of source fluid lines through a switching valve for selective communication.

Fluid sampling device for medical use

A heat exchanger-incorporated hollow fiber type artificial lung comprises an artificial lung part composed of a first housing, a bundle of multiple gas-exchange hollow fiber membranes enclosed with the first housing, partitions formed at the opposite ends of the bundle of hollow fiber membranes, and a blood passage and an oxygen chamber both defined by the first housing, the bundle of hollow fiber membranes, and the partitions. A heat exchanger part is composed of a second housing, a plurality of tubes enclosed with the second housing, partitions formed at the opposite ends of the tubes, and a blood passage and a heat exchange chamber both defined by the second housing, the tubes and the partitions. The artificial lung part and the heat exchanger part are connected to each other by having their respective first and second housings coaxially joined so as to give rise to a blood chamber between the opposed partitions of first and second housings. The connection between the artificial lung part and the heat exchanger part is accomplished by forming connecting ends one each at the opposed sides of the two housings, joining the connecting ends across an annular spacer by virtue of a connecting ring fitted across the outer surfaces of the connecting ends and, through at least two holes bored in the connecting ring so as to communicate with the vacant part defined by the connecting ring, the opposed partitions, and the annular ring. An adhesive agent is then injected through the holes so as to fill up the interior of the vacant part.

Heat exchanger-incorporated hollow fiber type artifical lung

A medical instrument, comprising a female connector member incorporating a female taper portion capable of being joined to a medical instrument member having a male connector member incorporating a male taper portion and a ring member provided to said male connector member so as to encircle said male taper portion and having at least one threaded ridge formed on the inner circumferential surface thereof, which medical instrument is characterized by having formed on the outer periphery of said female connector member at least one threaded groove capable of being helically fitted on said threaded ridge of said ring member and having formed at a desired position in said threaded groove a rib adapted to engage with said threaded ridge when said threaded groove is being helically fitted on said threaded ridge. The first medical instrument member is, for example, a three-way faucet, and the second medical instrument member is, for example, an artificial organ such as a Ruer port connector and an artificial lung, catheters, blood circuits for the artificial organs.

Medical instrument

In combination with a blood reservoir, a blood volume detecting apparatus is used to ensure safe operation of the reservoir which includes a conduit in fluid communication with a lower part of said blood reservoir, a diaphragm associated with the other end of the conduit and movable by a differential hydraulic pressure applied by the blood through the conduit, and means for detecting the swelling and contracting movement of the diaphragm.

Apparatus for detecting the volume of blood in a blood reservoir

An artificial organ assembly having an artificial organ with a built-in body fluid treatment mechanism as well as a body fluid inlet port and a body fluid outlet port, filled with a liquid harmless to the human body and sealed. It also includes an extracorporeal body fluid circulation mechanism comprising a body fluid inlet line connected to the body fluid inlet port and a body fluid outlet line connected to the body fluid outlet port, filled with a liquid harmless to the human body and sealed. The whole assembly is hermetically vacuum-packaged and steam sterilized in the packaged state.

Steam sterilization method for artificial organ assemblies and resultant

A dialyzer comprises a housing, a plurality of hollow fibers extending in the housing parallel to one another, solution inlet and outlet ports provided at the ends of the housing through respective seal members, respectively and communicating with liquid passages inside the hollow fibers, and dialysate inlet and outlet ports provided near the ends of the housing, respectively, and communicating with a liquid passage outside the hollow fibers. The dialysate inlet port has a diameter of 1.5 to 3.5 mm, and the dialysate outlet port has a diameter of 6 to 10 mm.

Growing community of inventors

Tokyo, Japan

Michio Kanno