Abstract: The catalyst for methane reformation according to an exemplary embodiment of the present application consists of a porous metal support; and a perovskite-based catalyst component supported on the porous metal support and represented by Chemical Formula 1: Sr1-xAxTi1-yByO3-???[Chemical Formula 1] wherein all the variables are described herein.

Abstract: The catalyst for methane reformation according to an exemplary embodiment of the present application comprises: a porous metal support; perovskite-based catalyst particles supported on the porous metal support; and a perovskite-based binder supported on the porous metal support, and the perovskite-based catalyst particles and the perovskite-based binder each independently comprise the compound represented by Chemical Formula 1: Sr1-xAxTi1-yByO3-???[Chemical Formula 1] wherein all the variables are described herein.

Abstract: A battery module includes at least two cell assemblies, a module housing having an upper cover formed by a top portion and a first side portion extending downward from a first side edge of the top portion, a first gas passage formed between the first side portion of the upper cover and a first side of the at least two cell assemblies for circulation of gas generated from the at least two cell assemblies, and a flame retardant plate in the first gas passage and extending between the at least two cell assemblies and the module housing, wherein the first side portion of the upper cover is coupled to the flame retardant plate.

Abstract: Provided are a vehicle transmission and a vehicle powertrain device including the same. The present disclosure includes a driving sun gear receiving a driving force transmitted from a motor, a first sun gear having the same rotating axis as the driving sun gear, a second sun gear inserted into the first sun gear and having the same rotating axis as the first sun gear, a planetary gear provided with a plurality of stages which respectively mesh with the driving sun gear, the first sun gear, and the second sun gear, and a carrier to which the planetary gear is coupled so as to be rotatable and into which the first sun gear and the second sun gear are inserted.

Abstract: A surgical tool control apparatus according to an embodiment comprises: a housing; and a control assembly including a frame connected to the housing, and a first roller module, a second roller module, and a third roller module which are installed on the frame, wherein the second roller module can horizontally move toward the first roller module so that a first surgical tool can be held between the first roller module and the second roller module, and can horizontally move toward the third roller module so that a second surgical tool can be held between the second roller module and the third roller module.

Abstract: A 3-level converter includes: an inductor connected in series between a switching node and an output terminal from which an output voltage is output, an output capacitor connected between the output terminal and a ground terminal, a first switch connected between an input terminal to which an input voltage is input and a top plate node, a second switch connected between the top plate node and the switching node, a third switch connected between the switching node and a bottom plate node, a fourth switch connected between the bottom plate node and a ground terminal, a flying capacitor connected between the top plate node and the bottom plate node, balancing switches connected between the switching node and a balancing node, a top balancing capacitor connected between the input terminal and the balancing node, and a bottom balancing capacitor connected between the balancing node and a ground terminal.

Abstract: A 3-level buck-boost converter includes: an inductor connected in series between a switching node and a ground terminal; an output capacitor connected between an output terminal from which an output voltage is output and a ground terminal; a first switch connected between an input terminal to which an input voltage is input and a top plate node; a second switch connected between the top plate node and the switching node; a third switch connected between the switching node and a bottom plate node; a fourth switch connected between the bottom plate node and the output terminal; a flying capacitor connected between the top plate node and the bottom plate node; balancing switches connected between the switching node and the balancing node; a top balancing capacitor connected between the input terminal and the balancing node; and a bottom balancing capacitor connected between the balancing node and the output terminal.

Abstract: A method for preparing a catalyst for a dehydration reaction of 3-hydroxypropionic acid, the catalyst for dehydration reaction of 3-hydroxypropionic acid, and a method for producing acrylic acid using the same.

Abstract: The present disclosure relates to an apparatus for closed reduction of a bone fracture. The apparatus includes at least: a pulling adaptor including: a handle configured to be gripped by an operator; an insertion rod that is extended from the handle in a longitudinal direction of the handle, and configured to be inserted into the bone fracture which is depressed in at least one area thereof; and a pulling lug that is bent and extended from an end of the insertion rod such that a longitudinal direction of the pulling lug is perpendicular to a longitudinal direction of the insertion rod or such that the pulling lug is inclined with respect to the insertion rod, the pulling lug being configured to be inserted into the at least one depressed area of the bone fracture, in order to pull the bone fracture.

Abstract: The present invention is advantageous in that the shape of the catheter can be sensed by detecting the position of bending of the catheter body, the direction thereof, the angle thereof, and the curvature thereof through a triplet calculation of information regarding three wavelengths that have undergone a transition along respective FBGs provided on three optical cores.

Abstract: The present invention is a system for three-dimensionally mapping a heart, comprising: a mapping catheter including three or more optical cores each of which has a plurality of FBGs disposed in the lengthwise direction of a catheter body, and a plurality of electrodes disposed in the lengthwise direction of the catheter body and exposed on the outer circumferential surface of the catheter body, wherein the electrodes make contact with the inner wall of the heart; and a mapping processor for calculating coordinates of the FBGs by wavelength information of reflected light received from the three or more optical cores, and calculating coordinates of the electrodes from the coordinates of the FBGs so as to build a three-dimensional shape of the heart by using a sample point at which the plurality of electrodes make contact.

Abstract: The present disclosure relates to a tool for a closed reduction of a fracture. The tool includes at least: a winding portion having a winding shape; a support extending from the winding portion in a normal direction relative to a plane of the winding shape; and a handle extending from the support in the normal direction, and configured to be gripped.

Abstract: A catheter and a surgical medical device. The catheter includes at least; a first elastic member positioned at an end portion of the catheter: a second elastic member connected with the first elastic member, the second elastic member being curved with a first radius of curvature to protrude toward a first direction; a first wire connected with a first surface of the first elastic member, and configured to pull the catheter to bend the catheter in the first direction; a second wire connected with a second surface of the first elastic member, which is opposite to the first surface, and configured to pull the catheter to bend the catheter in a second direction; and a tube containing the first elastic member, the second elastic member, the first wire, and the second wire.

Abstract: A catheter delivery device having an improved mechanism for inserting a catheter into a blood vessel of a patient. The catheter delivery device includes at least: a body including a delivery path of a catheter; a pair of feeders having grippers located on the delivery path of the body and are configured to grip and release the catheter; and a rotator configured to rotate the catheter gripped by the feeders. The feeders move from a grip position where the grippers grip the catheter to a forward position where the grippers advance in a state of gripping the catheter, from the forward position to a grip release position where the grippers release the catheter, from the grip release position to a backward position where the grippers retract in a state of releasing a grip on the catheter, and from the backward position to the grip position.

Abstract: The present invention provides a medical robot which is hygienic and capable of precisely transferring a catheter, a driving device mounted on the medical robot, and a roller module mounted on the driving device. The roller module includes: a driving unit; and a roller unit rotated about the vertical axis by the driving unit, wherein the roller unit includes at least one roller and at least one shaft independently coupled to the at least one roller of the roller unit and rotated by the driving unit, wherein at least one groove is formed on the at least one roller of the roller unit and at least a part of the at least one shaft of the roller unit is disposed on the at least one groove.

Abstract: According to the present invention, it is possible to provide a catheter capable of measuring the magnitude and direction of an external force applied to the front end of the catheter with a precise sensitivity by using information regarding the amount of change in the amount of light received by the optical fiber inside the catheter body.

Abstract: The present invention is advantageous in that the shape of the catheter can be sensed by detecting the position of bending of the catheter body, the direction thereof, the angle thereof, and the curvature thereof through a triplet calculation of information regarding three wavelengths that have undergone a transition along respective FBGs provided on three optical cores.

Abstract: The present invention is a system for three-dimensionally mapping a heart, comprising: a mapping catheter including three or more optical cores each of which has a plurality of FBGs disposed in the lengthwise direction of a catheter body, and a plurality of electrodes disposed in the lengthwise direction of the catheter body and exposed on the outer circumferential surface of the catheter body, wherein the electrodes make contact with the inner wall of the heart; and a mapping processor for calculating coordinates of the FBGs by wavelength information of reflected light received from the three or more optical cores, and calculating coordinates of the electrodes from the coordinates of the FBGs so as to build a three-dimensional shape of the heart by using a sample point at which the plurality of electrodes make contact.

Abstract: The present disclosure relates to an apparatus for closed reduction of a bone fracture. The apparatus includes at least: a pulling adaptor including: a handle configured to be gripped by an operator; an insertion rod that is extended from the handle in a longitudinal direction of the handle, and configured to be inserted into the bone fracture which is depressed in at least one area thereof; and a pulling lug that is bent and extended from an end of the insertion rod such that a longitudinal direction of the pulling lug is perpendicular to a longitudinal direction of the insertion rod or such that the pulling lug is inclined with respect to the insertion rod, the pulling lug being configured to be inserted into the at least one depressed area of the bone fracture, in order to pull the bone fracture.

Abstract: The present disclosure relates to a catheter delivery device having an improved mechanism for inserting a catheter into a blood vessel of a patient. The catheter delivery device includes at least: a body including a delivery path of a catheter; a pair of feeders having grippers located on the delivery path of the body and are configured to grip and release the catheter; and a rotator configured to rotate the catheter gripped by the feeders. The feeders move from a grip position where the grippers grip the catheter to a forward position where the grippers advance in a state of gripping the catheter, from the forward position to a grip release position where the grippers release the catheter, from the grip release position to a backward position where the grippers retract in a state of releasing a grip on the catheter, and from the backward position to the grip position.