Abstract: A hydrogen compression system includes: a heat pump part including a heat pump line configured to allow a refrigerant to circulate therethrough, a hydrogen compression part configured to compress hydrogen by being repeatedly heated and cooled, a first circulation line connected to the heat pump line while passing through the hydrogen compression part and configured to allow the refrigerant introduced from the heat pump line to circulate therethrough, a second circulation line provided to pass through the hydrogen compression part and configured to allow a cooling fluid to circulate therethrough, and a cooling unit provided in the second circulation line and configured to cool the cooling fluid, in which the hydrogen compression part is heated by the refrigerant or cooled by the cooling fluid, thereby minimizing electric power consumption and improving energy efficiency.

Abstract: A hydrogen storage system is disclosed and includes a storage unit including a plurality of unit storage containers, in which metal hydride materials are respectively provided in an interior thereof and which are connected to each other in parallel, and a thermal fluid line defining a thermal fluid passage, which passes via the plurality of unit storage containers continuously and through which a thermal fluid flows for heating or cooling the unit storage containers, thereby enhancing a storage performance and an efficiency of the hydrogen.

Abstract: A hydrogen storage device includes a storage container having an accommodation space in an interior thereof, a first metal hydride material provided in the interior of the storage container and that stores hydrogen, and a second metal hydride material provided in the interior of the storage container and that stores the hydrogen at a pressure that is different from that of the first metal hydride material. An advantageous effect of restraining an excessive rise of a pressure of the storage container and enhancing safety and reliability may be obtained.

Abstract: A medical device includes a tube through which fluid flows; a handle part that is coupled to a proximal end portion of the tube; an electrode tip that is coupled to a distal end portion of the tube; and a fluid injection unit that injects fluid into the tube, in which the electrode tip is formed with one or more injection grooves that communicate with a hollow of the tube to inject the fluid.

Abstract: A medical device includes: a tube through which fluid flows; a handle part coupled to a proximal end part of the tube; an electrode tip coupled to a distal end part of the tube; a fluid injection part configured to inject fluid into the tube; one or more openings formed in the tube; and a guide member disposed in the tube, and having an inclined part to guide the direction of the fluid sprayed out through the opening.

Abstract: A medical device includes: a tube through which fluid flows; a handle part coupled to a proximal end part of the tube; an electrode tip coupled to a distal end part of the tube; a fluid injection part configured to inject fluid into the tube; one or more openings formed in the tube; and a guide member disposed in the tube, and having an inclined part to guide the direction of the fluid sprayed out through the opening.

Abstract: The present invention relates to a surgical device. The surgical device may include: a needle device; an aspiration device, which is attached to or detached from the needle device, for tissue sampling; an injection device, which is attached to or detached from the needle device, for drug injection; and an electrode device, which is attached to or detached from the needle device, for thermal treatment. Therefore, any one of the aspiration device, the injection device, and the electrode device is attached to or detached from the needle device, thereby being capable of performing tissue sampling, drug injection, and thermal treatment. Thus, the time and costs required for tissue sampling, drug injection, and thermal treatment are reduced and foreign substances can be prevented from flowing into a surgical site in advance.

Abstract: Provided is a high-frequency thermal therapy device, and includes an electrode for cauterizing a target lesion, a radio frequency generator for generating a radio frequency current, and a switch for opening and closing an electric circuit extending from the radio frequency generator to the electrode. A cauterization length of the electrode may be changed according to an operation of the switch. As a result, it is possible to prevent a normal area around the target lesion from being damaged, facilitate the treatment, and reduce cost for cauterization an equipment.

Abstract: A bipolar electrode for radio frequency ablation, the electrode including: a cylindrical body provided with first and second coupling grooves formed on an outer circumferential surface of the cylindrical body in a screw thread shape and spaced apart from each other at a predetermined interval; an active electrode body wound on the first coupling groove of the cylindrical body a plurality of times to be inserted thereinto, and connected to a first terminal of a radiofrequency generator; and a passive electrode body wound on the second coupling groove of the cylindrical body a plurality of times to be inserted thereinto, and connected to a second terminal of the radiofrequency generator. Thus, the electrode has effects of efficiently being moved to a vascular lesion such as varicose veins, and reducing a risk of thermal damage to surrounding tissue outside the lesion during treatment.

Abstract: The present invention relates to a surgical device. The surgical device may include: a needle device; an aspiration device, which is attached to or detached from the needle device, for tissue sampling; an injection device, which is attached to or detached from the needle device, for drug injection; and an electrode device, which is attached to or detached from the needle device, for thermal treatment. Therefore, any one of the aspiration device, the injection device, and the electrode device is attached to or detached from the needle device, thereby being capable of performing tissue sampling, drug injection, and thermal treatment. Thus, the time and costs required for tissue sampling, drug injection, and thermal treatment are reduced and foreign substances can be prevented from flowing into a surgical site in advance.

Abstract: The present invention relates to a bipolar electrode, and more particularly, to an electrode for high-frequency heat treatment capable of cauterizing and necrotizing lesions by heating the lesions, such as a cancer tissue of a body organ, with a high frequency, in particular, an overlapping bipolar electrode for high-frequency heat treatment capable of cauterizing lesions of tubular organs, such as a blood vessel, with a minimum invasion.

Abstract: A combined cauterization and stent operation device for moving a stent to a lesion of a tubular tissue through a pipe member and performing a stent operation is provided that includes a bipolar electrode for cauterization configured to be disposed at an operation end of the pipe member to cauterize the lesion, and a high frequency generator configured to be connected to the bipolar electrode for cauterization to allow the bipolar electrode for cauterization to radiate a high frequency current.

Abstract: The present invention relates to a device and a method for detecting a position of an electrode inserted into a human body that predict a path through a position sensor in a handle part before the electrode is inserted into the human body and display the path. The device for detecting the position of an electrode inserted into a human body according to the present invention includes: a position signal generator generating a position signal; an electrode needle having an electrode-side position sensor that is provided in an interior of a lance needle thereof and receives the position signal to generate first position information; and a handle connected to the electrode needle and having a handle-side position sensor that is included therein and receives the position signal to generate second position information.

Abstract: There are provided a system for ablation utilizing multiple electrodes and a method for controlling the system. The system includes: a main amplification unit providing main radio frequency (RF) power by amplifying received power; a sub-amplification unit providing sub-RF power by amplifying received power; a first switching unit transmitting the main RF power provided by the main amplification unit to one of first to third electrodes; a second switching unit transmitting the sub-RF power provided by the sub-amplification unit to one of the first to third electrodes; and a control unit controlling the first and second switching units to apply the main RF power and the sub-RF power to a pair of respective electrodes previously selected from the first to third electrodes.

Abstract: The present invention relates to an electrode device for radiofrequency ablation, which can easily be used for computed tomography (CT)-guided radiofrequency ablation (RFA) treatment. An embodiment of the present invention provides an electrode device for radiofrequency ablation, which comprises an electrode needle provided in front of a grip and is configured to cauterize and necrotize a diseased site by radiofrequency heat generated from the electrode needle, the electrode device comprising a bendable tube which is provided between the grip and the electrode needle, is bendable at a predetermined angle, and is capable of being maintained in a bent state.

Abstract: There are provided a system for ablation utilizing multiple electrodes and a method for controlling the system. The system includes: a main amplification unit providing main radio frequency (RF) power by amplifying received power; a sub-amplification unit providing sub-RF power by amplifying received power; a first switching unit transmitting the main RF power provided by the main amplification unit to one of first to third electrodes; a second switching unit transmitting the sub-RF power provided by the sub-amplification unit to one of the first to third electrodes; and a control unit controlling the first and second switching units to apply the main RF power and the sub-RF power to a pair of respective electrodes previously selected from the first to third electrodes.

Abstract: Provided is a combinable electrode needle base structure in which a base to which electrode needles are coupled can be used in a combined or separated state to use the electrode needles according to the size and location of a lesion. In the combinable electrode needle structure, electrode needles are connected to the front side of an electrode needle base, and receive RF waves from RF (radio frequency) generator. The electrode needle base is divided into dividable bases to which the electrode needles are respectively coupled. When a lesion to be cauterized is large or cauterization should be concentrated, the dividable bases are combined and then used, and when a lesion is small or lesions are scattered, the dividable bases may be separated and then used.

Abstract: The invention relates to a stent provided with cauterization system. A stent operating apparatus in which a stent moves to a lesion of a tubular tissue through a plurality of pipe members and performs an operation includes: a bipolar electrode for cauterization configured to be disposed at an operation end of the pipe member to cauterize the lesion; and a high frequency generator configured to be connected to the bipolar electrode for cauterization to allow the bipolar electrode for cauterization radiate a high frequency current, whereby the lesion may be cauterized and necrotized by the bipolar electrode of a tip portion of a moving pipe charged with the stent before or after the stent is operated on the lesion, thereby effectively preventing a re-stricture from occurring at the lesion operated by the stent.

Abstract: The present invention relates to a bipolar electrode, and more particularly, to an electrode for high-frequency heat treatment capable of cauterizing and necrotizing lesions by heating the lesions, such as a cancer tissue of a body organ, with a high frequency, in particular, an overlapping bipolar electrode for high-frequency heat treatment capable of cauterizing lesions of tubular organs, such as a blood vessel, with a minimum invasion.

Abstract: The present invention relates to a high-frequency heat therapy electrode device, and one embodiment of the present invention provides a high-frequency heat therapy electrode device provided with an electrode needle disposed in front of a handle, which necrotizes a lesion site by cauterizing the site by means of the high-frequency heat generated from the electrode needle. The high-frequency heat therapy electrode device equipped with a flexible tube is characterized in that: a flexible tube of a prescribed hardness, but that can be easily bent and deformed, is disposed between the handle and the electrode needle such that the needle can be inserted, along the working channel of an endoscope, up to a lesion site and the electrode needle is provided with a cooling line in the inside thereof.