Abstract: Provided are a semiconductor memory device whereby generation of dishing during planarization of a peripheral circuit region is suppressed, and a method of fabricating the semiconductor memory device. The semiconductor memory device includes a semiconductor substrate comprising a first active area in a memory cell region and a second active area in a peripheral circuit region; a plurality of first isolation films and a plurality of second isolation films protruding from a surface of the semiconductor substrate and defining the first active area and the second active area, respectively; and at least one polish stopper film formed within the second active area and protruding from the surface of the semiconductor substrate.

Abstract: A flash memory device, including a cell array region where a plurality of memory cells are connected in series to a single cell string, the cell array region including a pocket p-well configured to accommodate the plurality of memory cells and an n-well configured to surround the pocket p-well, a first peripheral region where low-voltage (LV) and high-voltage (HV) switches are connected to the memory cells through a word line, and a second peripheral region where bulk voltage switches are connected to bulk regions of the LV and HV switches.

Abstract: A surgical slave robot is disclosed. The surgical slave robot, for performing a surgical operation with a surgical instrument installed on an end portion of a robot arm, can include: a main body; a major support arm that is coupled to the main body such that the major support arm is movable along one direction; a minor support arm rotatably coupled to the major support arm; and a plurality of the robot arms rotatably coupled to the minor support arm. By coupling a twofold support arm of a major and minor support arm to a tower-shaped main body and coupling multiple robot arms to the support arms, the surgical slave robot may be constructed with a compact and slim size that occupies a small amount of space, making it possible to position the surgical robot close to the patient while providing space for the surgeon to access the patient.

Abstract: A surgical robot system and an external force measuring method of the surgical robot system are disclosed. The surgical robot system, which includes: a driving motor unit configured to generate and output an encoder signal corresponding to state information of a system; and a controller unit configured to receive the encoder signal as input and compute an external force applied on an instrument using an SMCSPO (sliding mode control with sliding perturbation observer) algorithm, can obtain information on the operational force of the instrument by an indirect method, making it possible to implement a technology for a realistic sensory device.

Abstract: Provided are an apparatus and a method for processing a three dimensional image. The apparatus for processing the three dimensional image includes a lattice pattern projection unit configured to project a reference lattice pattern onto a photographic object; a photographing unit configured to generate an image information by photographing the photographic object onto which the reference lattice pattern is projected; a depth information extraction unit configured to extract a depth information of the photographic object based on comparison between the reference lattice pattern projected onto the photographic object and a modified lattice pattern included in the image information; and a left and right eye information generation unit configured to generate a left and right eye information in correspondence with the depth information, the left and right eye information containing a three dimensional information of the photographic object.

Abstract: A server-client type surgical robot system is disclosed. One aspect of the present invention provides a surgical robot system that includes a plurality of control clients, which generate control signals, and a surgical server, which is manipulated in correspondence with the control signals received from authenticated control clients. The server-client type surgical robot system can include a plurality of control clients for manipulating one surgical server, and incorporates security technology in server-client based robot surgery, to allow greater safety in performing surgery.

Abstract: A master interface and a driving method for a surgical robot are disclosed. The master interface is mounted on a master robot, to manipulate a slave robot connected with the master robot, and includes: a main handle coupled to the master robot; a sub-handle coupled to the main handle; a first processor configured to generate a first signal in correspondence with user manipulation on the main handle; and a second processor configured to generate a second signal in correspondence with user manipulation on the sub-handle, where the first signal and the second signal are transmitted to the slave robot independently. As the interface for the surgical master robot includes not only the handle (main handle) for manipulating the robot arm, but also an additional controller (sub-handle) for a laparoscope, etc., the operator is able to simultaneously manipulate the laparoscope, etc., while manipulating the handle, without having to stop manipulating the handle or perform an additional action separately.

Abstract: A surgical robot is disclosed, which includes: a handle unit; a main body connected to the handle unit; a robot arm connected to the main body and configured to operate in correspondence with a first manipulation on the handle unit; an instrument mounted on a front end of the robot arm; and a manipulation unit coupled to a far end of the instrument and configured to perform an action required for surgery in correspondence with a second manipulation on the handle unit, wherein the main body is coupled to a support unit. The surgical robot can be constructed with a simpler, slimmer structure, by having the arms of the surgical robot moved and rotated manually and having the instruments manipulated by the robot. Thus, the surgical robot can be installed in a narrow space, and the costs for manufacturing and installing the robot can be reduced.

Abstract: An instrument for a surgical robot arm is disclosed. The instrument, which is to be mounted on a front end of a robot arm equipped with an actuator, includes: a housing, which is coupled to the front end of the robot arm; a driving wheel, which is coupled to the housing, and which is operated by way of a driving force transferred from the actuator; and a locking part, which is coupled to the housing, and which locks the operation of the driving wheel in correspondence to the mounting and dismounting of the housing on and from the robot arm. By installing a locking part on the instrument, the locking part can be made to restrain the rotation of the driving wheels when mounting or dismounting the instrument on or from the robot arm, and the driving wheels can be automatically calibrated when the instrument is dismounted from the robot arm.

Abstract: Disclosed are a surgical instrument and a coupling structure for a surgical robot. The surgical instrument, which may be mounted on a surgical robot for operation, and which may perform a maneuver required for surgery by moving and rotating an effector joined to one end of the surgical instrument, may include: a first driving component that rotates about a first axis, a second driving component joined to the first driving component that rotates the first driving component about a second axis which intersects the first axis, a third driving component joined to the second driving component that rotates the second driving component about a third axis which intersects the second axis, a shaft joined to the third driving component that extends in one direction and has the effector joined to one end, and a housing that holds the first driving component, the second driving component, and the third driving component.

Abstract: Disclosed is a coupling structure of surgical instrument. The coupling structure for a surgical instrument comprises a housing and a plurality of disc shaped driving wheels disposed in the housing, wherein the driving wheels are stacked along a driving axis that passes through the driving wheels, and are supplied with driving power from a plurality of actuators that are disposed to correspond respectively to the plurality of driving wheels, and provides a light compact surgical robot by disposing driving wheels in a piling arrangement, which also allows an used instrument to be automatically replaced with a new one.

Abstract: Disclosed is a bed integrated surgical robot. The bed integrated surgical robot comprises a supporting part, a frame supported by the supporting part, a table supported by the frame and on which a surgical patient is laid and a surgical robot arm installed on the frame and manipulated to reach for the surgical patient, wherein the robot arm is formed of a plurality of joints and deposited on the frame by driving the plurality of joints, and is easy to deposit, install, move, allows an assistant surgeon to easily access a patient under surgery, requires no additional space to install the robot, and functions as a patient bed.

Abstract: A laparoscope includes: a housing extending a particular length; a pair of lenses set in both end portions of the housing along a lengthwise direction; a pair of first reflectors mounted within the housing adjacent to the pair of lenses to reflect light from the pair of lenses towards a particular position; a second reflector mounted within the housing that receives the light reflected from the pair of first reflectors and reflects the light in a particular direction; and an optical passage coupled to the housing that receives the light reflected from the second reflector and transmits the light to a particular position. Since a single-lens laparoscope may be connected to the housing where a pair of lenses are set with a gap in-between, the diameter of the laparoscope can be reduced, and an image can be obtained that has a brightness comparable to that obtained by a single-lens laparoscope.

Abstract: An aspect of the invention provides a PSI (purse-string instrument) for laparoscopic surgery that includes: a first jaw; a second jaw configured to clamp a suture site in cooperation with the first jaw; a first rod, which is coupled to one end of the first jaw and configured to rotate the first jaw such that the suture site is clamped, and which is held inside a shaft; and a second rod, which is coupled to one end of the second jaw and configured to rotate the second jaw such that the second jaw faces an extending direction of the shaft. The PSI can be inserted using the incision made beforehand in the surgical site during laparoscopic surgery and thus does not require making additional cuts in the patient's body or disassembling/reassembling the instrument when inserting the instrument into the abdominal cavity.

Abstract: A laparoscope includes: a housing extending a particular length; a pair of lenses set in both end portions of the housing along a lengthwise direction; a pair of first reflectors installed within the housing adjacent to the pair of lenses to reflect light from the pair of lenses towards a particular position; a second reflector installed within the housing that receives the light reflected from the pair of first reflectors and reflects the light in a particular direction; and an optical channel coupled to the housing that receives the light reflected from the second reflector and transmits the light to a particular position. Since a single-lens laparoscope may be connected to the housing where a pair of lenses are set with a gap in-between, the diameter of the laparoscope can be reduced, and an image can be obtained that has a brightness comparable to that obtained by a single-lens laparoscope.

Abstract: Provided is a trocar for a single port surgery installed on a skin puncture site of a patient to provide a pathway for insertion of a plurality of surgical instruments. The trocar includes an upper part; a plurality of inserting holes configured to be positioned on the upper part, the plurality of the surgical instruments being inserted thereto; and a lower part configured to be formed in a tubular shape to connect to the upper part, the lower part being formed in an elastic material so that the lower part is bent when being inserted into the skin puncture site and is straightened after being introduced into the skin puncture site, wherein the trocar provides an open interior space in which the inserting holes are connected with one another so that changing locations of the plurality of the surgical instruments is possible after the surgical instruments are inserted into the plurality of the inserting holes.

Abstract: A surgical slave robot is disclosed. The surgical slave robot, for performing a surgical operation with a surgical instrument installed on an end portion of a robot arm, can include: a main body; a major support arm that is coupled to the main body such that the major support arm is movable along one direction; a minor support arm rotatably coupled to the major support arm; and a plurality of the robot arms rotatably coupled to the minor support arm. By coupling a twofold support arm of a major and minor support arm to a tower-shaped main body and coupling multiple robot arms to the support arms, the surgical slave robot may be constructed with a compact and slim size that occupies a small amount of space, making it possible to position the surgical robot close to the patient while providing space for the surgeon to access the patient.

Abstract: A server-client type surgical robot system is disclosed. One aspect of the present invention provides a surgical robot system that includes a plurality of control clients, which generate control signals, and a surgical server, which is manipulated in correspondence with the control signals received from authenticated control clients. The server-client type surgical robot system can include a plurality of control clients for manipulating one surgical server, and incorporates security technology in server-client based robot surgery, to allow greater safety in performing surgery.

Abstract: Provided are a semiconductor memory device whereby generation of dishing during planarization of a peripheral circuit region is suppressed, and a method of fabricating the semiconductor memory device. The semiconductor memory device includes a semiconductor substrate comprising a first active area in a memory cell region and a second active area in a peripheral circuit region; a plurality of first isolation films and a plurality of second isolation films protruding from a surface of the semiconductor substrate and defining the first active area and the second active area, respectively; and at least one polish stopper film formed within the second active area and protruding from the surface of the semiconductor substrate.