Korea Institute of Science and Technology

Lg Electronics Inc.

Lg Information & Communications, Ltd.

Dinast

Dugan Um

Sung Chul Kang

Woosub Lee

Woo Sub Lee

Jun Ho Choi

Keri Kim

Mun Sang Kim

Dong Seok Ryu

Gi Hun Yang

Gi-Hun Yang

Dongseok Ryu

Chang Hyun Cho

Soojun Lee

Chang Mook Chun

Tae Eun Choe

Sangmyung Kim

Youngjun Kim

Jeong Hoon Lee

Jin Seok Kim

Laehyun Kim

Seungwon Kim

Munsang Kim

Dong-Soo Kwon

Se Hyung Park

Jun-Kyo Francis Suh

WooSeok Choi

Seung Jong Kim

Seung-Chan Kim

Tae-Heon Yang

Jeonghoon Yoo

Deukhee Lee

Hyouk Ryeol Choi

Seung Beum Suh

Jae-In Hwang

Junku Yuh

Jeong-Jung Kim

YongKwun Lee

Dong-Eun Choi

Jiyeon Song

Dong Eun Choi

Seong Hun Hong

Suhyeon Gim

Kang Gyun Kim

Gang Tae Bae

Seonghun Hong

Chong Hui Kim

Du Gan Um

Seung Kook Yun

Myung Ook Hyun

Sangchul Hwang

Yeonsub Jin

Embodiments relate to a method for tracking a location of a surgical tool based on a radiographic image, which includes: by a photography system, photographing a surgical tool having a physical marker frame composed of three or more marker bands; by an information processor, detecting a center point of each marker band in the photographed image; and by the information processor, estimating a three-dimensional location of the surgical tool based on a distance between the detected center point and a center point of a true marker band, and a tracking apparatus for the same.

Apparatus and method for tracking location of surgical tools in three dimension space based on two-dimensional image

The present disclosure provides a standing assistance apparatus including a support part configured to support a load, a saddle part configured to accommodate a patient to allow the patient to position from sitting condition to standing condition, and a guide part coupled between the support part and the saddle part and having an adjustable length to guide the patient to stand, wherein the guide part is disposed in diagonal direction with respect to the support part to guide the patient to stand in the diagonal direction.

Standing assistance apparatus

A guiding apparatus for remote medical treatments includes a first pivoting link pivotally connected to a pivot shaft, a second pivoting link pivotally connected to the first pivoting link, a driver pulley member capable of fixing the first pivoting link and the second pivoting link to each other through screw fastening, a driven pulley member capable of fixing the first pivoting link to the pivot shaft through screw fastening, and a locking wire connected to the driver pulley member and the driven pulley member to transmit a rotational force from the driver pulley member to the driven pulley member. As the driver pulley member rotates, the driven pulley member rotates together, so that the fixing of the first pivoting link and the second pivoting link to each other and the fixing of the first pivoting link to the pivot shaft is accomplished simultaneously.

Guiding apparatus for remote medical treatments

A module connection system is configured by connecting a plurality of modules by means of connectors. The modules include a base module, a first module and a second module, and the connectors include a first connector and a second connector. The base module transmits power and signals provided from a driving source, the first module is electrically/mechanically connected to the base module by means of the first connector, and the second module is electrically/mechanically connected to the first module by means of the second connector. The first connector includes a larger number of connection terminals in comparison to the second connector in order to transmit power and signals from the base module to the second module and simultaneously supply power and signals required for the first module.

Module connection system

A motion control system includes a first capsule robot, which includes a first housing, a first shaft configured to be movable bi-directionally, the first shaft having a first permanent magnet at an outer end, a first leg unit configured to protrude outwards from the first housing, and a first control unit; and a second capsule robot, which includes a second housing, a second shaft configured to be movable bi-directionally, the second shaft having a second permanent magnet at an outer end, a second leg unit, and a second control unit, wherein the first capsule robot is fixed with respect to an the internal organ wall by protruding the first leg unit to the internal organ, and wherein the second capsule robot is connected to the first capsule robot as the first permanent magnet comes into contact with the second permanent magnet by an attractive force.

Motion control system for module type capsule robot in body

The present disclosure relates to a tube continuum robot and a robot system for operation using the same, and the tube continuum robot includes a basic tube body including a basic straight section extending straight, and a basic curved section extending in front of the basic straight section and bent to a predetermined curvature, and a connection tube body having a connection flexible section which is flexibly bendable, the connection tube body formed to be inserted into the basic tube body or to surround an exterior of the basic tube body, the connection tube body being connected to the basic tube body.

Tube continuum robot having a tube body capable of linear control and robot system for operation using thereof

A tube insertion device which inserts a tube into a line path to perform an operation has an elongated hollow tube, an end effector connected to a front end of the tube such that the direction of the end effector is changed with respect to the tube, a plurality of wires connected to the end effector and extended into the tube and a tension controller controlling tensions of the plurality of wires. The tension controller controls tensions of a pair of wires facing each other in the opposite directions, in order to change the direction of the end effector.

Tube insertion device having end effector capable of changing direction

A module connection mechanism for coupling adjacent modules, has a connector for connecting the modules. The connector has a substrate having a plurality of terminals for transmitting power and signals, installed between the modules, a fixing body disposed to surround the substrate and having a fixing wing with a wing thread formed at an outer surface thereof, and a fixing ring disposed to surround the fixing body and having a ring thread formed at an inner surface thereof, so that the ring thread moves to cover an outer surface of the fixing body.

Module connection mechanism capable of genderless coupling

An endoscope robot inserted into a duct to perform a predetermined work includes a flexible first tube body, a joint structure coupled to an end of the first tube body, and an end-effector connected to the joint structure so that location and direction of the end-effector are adjusted by the joint structure. The joint structure includes a fixed arm coupled to an end of the first tube body, and a plurality of pivotal arms arranged in order in a row from the fixed arm and pivotally connected to each other. The first tube body curves and linearly moves in the duct to move the end-effector to a working position. The plurality of pivotal arms is pivoted at the working position to adjust location and direction of the end-effector.

Endoscope robot having joint structure with high curvature

The optical sensor according to an embodiment disclosed herein includes: a lighting unit; a color photographing element for obtaining a color image in the sensing region; a photographing control unit for controlling a light irradiating time; a memory unit for storing a color image and a resultant image; a measurement light image extracting unit for processing the color image or the resultant image; a distance calculating unit for calculating distance or location information of the object; and a color correcting unit for calculating corrected distance or location information of the object.

Optical sensor and sensing method using the same

A device for generating limit torque with a function of yielding a torque change in real time includes a spring, a rotating portion having a cam surface formed therein, a transmitting portion transmitting an elastic force of the spring to the cam surface, a fixed portion with respect to which the relative rotation of the rotating portion is generated, and a limit-torque control portion provided to the fixed portion so as to control limit torque of the rotating portion by adjusting the elastic force of the spring. In the device, the limit-torque control portion controls the limit torque of the spring by changing the elastic force of the spring in real time.

Device for generating limit torque with function of yielding torque change in real time

The present invention relates to a tactile transmission system using a glove type actuator device and a method thereof, and more particularly to a tactile transmission system using a glove type actuator device and a method thereof with which a user can cover his hand and which can directly transmit a movement according to a voltage level to a body part of the user through a piezo disk actuator attached to a position in which a stimulus is transmitted. The tactile transmission system according to one embodiment of the present invention comprises: a touch screen for driving a predetermined program; and a glove type actuator device for vibrating a part which comes in contact with the touch screen to provide curve information about a surface of an object on the program to be displayed on the touch screen. The glove type actuator device comprises: one or more actuator modules for providing vibration stimuli; a three-axis acceleration sensor for sensing positions of the actuator modules; and a controller for mapping the position information sensed by the three-axis acceleration sensor to a corresponding position on the touch screen and generating a driving signal to vibrate the actuator modules according to the curve information about the surface of the object corresponding to the mapped position.

Tactile transmission system using glove type actuator device and method thereof

The present disclosure relates to a pressure sensor having a nanostructure and a method for manufacturing the same. More particularly, it relates to a pressure sensor having a nanostructure attached on the surface of the pressure sensor and thus having improved sensor response time and sensitivity and a method for manufacturing the same. The pressure sensor according to the present disclosure having a nanostructure includes: a substrate; a source electrode and a drain electrode arranged on the substrate with a predetermined spacing; a flexible sensor layer disposed on the source electrode and the drain electrode; and a nanostructure attached on the surface of the flexible sensor layer and having nanosized wrinkles.

Pressure sensor having nanostructure and manufacturing method thereof

Disclosed herein are an infrared (IR) sensor and a sensing method using the same, in which disturbance by an external luminous object is removed using the IR sensor that irradiates IR light into a sensing area to sense an object, so that the position or distance of the object can be precisely and accurately sensed. An IR sensor includes an illumination unit that irradiates IR light into a sensing area; an image pickup device that obtains an IR image in the sensing area by sensing the IR light incident from the sensing area; and a control unit that controls the emission time at which the illumination unit irradiates the IR light and the pickup time of the image pickup device. In the IR sensor, the control unit includes an illumination controller that controls the emission time of the illumination unit; an image pickup device controller that controls the pickup time of the image pickup device; a memory that stores the IR image obtained by the image pickup device; and an image processor that calculates the position or distance of the object in the sensing area by performing comparison operation processing with respect to an IR image obtained when the illumination unit irradiates the IR light and an IR image obtained when the illumination unit does not irradiate the IR light in the IR images stored in the memory.

Infrared sensor and sensing method using the same

The present invention discloses a weight compensation mechanism installed at a rotatable three-degree-of-freedom link member, wherein a first rotation of the link member is a yaw rotation aligned with the direction of the gravity and second and third rotations of the link member are respectively a roll rotation and a pitch rotation, wherein the second and third rotations are restrained by a plurality of differential bevel gears, and wherein a pair of cam plates is fixed to shafts of a pair of rotary bevel gears in the plurality of differential bevel gears, and a one-degree-of-freedom weight compensator is provided to be connected to the cam plates.

Weight compensation mechanism and robot arm using the same

Growing community of inventors

Seoul, South Korea

Sung Chul Kang