University of Ulsan Foundation for Industry Cooperation

The Asan Foundation

Skhynix Inc.

Ln Robotics Inc.

Young Jin Moon

Jae Soon Choi

Ho Yul Lee

Young Hak Kim

Gi Byoung Nam

Zhenkai Hu

Jong Woo Choi

Sung Hoon Kim

Jihoon Kweon

June Goo Lee

Young Sub Yuk

Woo Shik Jeong

Gyu Sam Hwang

Jaesoon Choi

Kyu Sam Hwang

The present invention relates to an image processing system for a catheter operation. One embodiment comprises: a storage unit for at least temporarily storing a plurality of candidate routes on which a guide wire can proceed on a changing route caused by vascular bifurcations while proceeding from a first point by using a blood vessel image; and a processor for selecting, from an image inputted while an operation proceeds, at least one route corresponding to the current shape of the guide wire on the basis of a similarity comparison between the current shape of the guide wire and each of the plurality of candidate routes.

Apparatus and method for evaluating proceeding route of guide wire

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.

Roller module for medical robot, driving device for medical robot, and medical robot

An internal voltage generation circuit may include: a voltage comparison circuit configured to generate a control voltage by comparing a reference voltage and an internal voltage which is fed back thereto; a voltage driving circuit configured to generate an internal voltage based on the control voltage; and a drivability control circuit configured to control the voltage level of the control voltage based on an enable signal which is activated during an active operation, in order to control drivability of the voltage driving circuit.

Internal voltage generation circuit and semiconductor memory apparatus including the same

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.

Apparatus for closed reduction of bone fracture

The present disclosure relates to a method, an apparatus and a computer program for noninvasively determining a cause of a blood pressure change. The method includes at least: obtaining maximum amplitudes of heart sounds; monitoring changes in the maximum amplitudes; estimating change amounts of indexes on a myocardial contractile force and on vascular resistance, based on increasing or decreasing of a blood pressure of the patient, and the changes in the maximum amplitudes; and determining the cause of the blood pressure change of the patient as an effect of at least one of alpha action, alpha blockage, beta action and beta blockage, based on results of the estimation of the first change amount of the first index, the second change amount of the second index and the third change amount of the third index.

Method, apparatus and computer program for noninvasively determining cause of blood pressure change

A semiconductor device includes a voltage comparison circuit and a calibration control circuit. The voltage comparison circuit compares test reference voltages and generates a comparison result signal. The calibration control circuit controls an offset value of the voltage comparison circuit.

Semiconductor device and operation method of the semiconductor device

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.

Tool for closed reduction of fracture

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.

Multi-curvature catheter and medical device for surgery

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.

Catheter delivery device

A data storage apparatus includes storage, and a controller including an internal voltage trimming circuit and controlling the storage in response to a request from a host. The trimming circuit may include an integral circuit sampling a difference between a test voltage output by a device under test and a reference voltage, generating an integral signal by integrating a sampled signal, and including an offset cancellation unit cancelling an offset from the sampled signal, a comparison circuit generating a comparison signal by comparing the integral signal with the reference voltage, a code generation circuit receiving an initial trimming code and generating preliminary trimming codes by increasing or decreasing the initial trimming code in response to the comparison signal, and a code average signal generation circuit generating the final trimming code by averaging the preliminary trimming codes for a given time and provide the final trimming code to the storage.

Data storage apparatus, and internal voltage trimming circuit and trimming method therefor

A data storage apparatus includes storage and a controller configured to control the storage in response to a request from a host. The controller includes an internal voltage trimming circuit which includes: an integration circuit configured to generate an integration signal by integrating a difference between a test voltage output from a device under test (DUT) and a reference voltage; a comparison circuit configured to generate a comparison signal by comparing the integration signal and the reference voltage; a transition detection circuit configured to output a detection signal according to level transition of the comparison signal; a counter configured to receive an initial trimming code and generate a preliminary trimming code by increasing or reducing the initial trimming code in response to the detection signal; and an average circuit configured to generate a final trimming code by averaging the preliminary trimming code for a determined time interval and provide the final trimming code to the storage.

Growing community of inventors

Seoul, South Korea

Young Jin Moon