Abstract:
PURPOSE: A miniature robot hand is provided to increase grasping power by arranging a rolling contact point close to the back of the robot hand and uniformly distribute the grasping power. CONSTITUTION: A miniature robot hand comprises a base member, fixed links, multiple joint links (10), linear operation members (20), and reel members. The joint links are successively connected to the fixed links in multiple stages, and rolling contact parts are formed on the touching portions thereof. The linear operation members connect the joint links for forming a finger to each other. The reel members generate movement for operating joints by reeling or unreeling the linear operation members.
Abstract:
형상기억합금 실린더와 형상기억합금 와이어를 이용한 저충격 비폭발식 분리장치, 그 분리장치의 설치방법, 분리시스템, 분리방법 및 재조립방법에 대한 것이다. 보다 상세하게는, 트리거 발생에 의해, 필요시에 외부구조물을 분리시키는 분리장치에 있어서, 측면에 서로 소정간격으로 이격된 복수의 외부홀, 상부가 개방된 개방부 및 하부가 폐쇄된 하부면을 구비하는 하우징; 열에 의해 축방향으로 팽창되는 형상기억합금으로 구성된 형상기억합금 실린더; 볼트머리 저면이 형상기억합금 실린더의 상면과 접촉하게 되는 중심볼트; 하우징 내부에 설치되고, 형상기억합금실린더가 삽입되는 실린더 삽입부와 중심볼트가 삽입설치되는 원통형삽입부를 구비하는 록킹슬리브; 하단 제1경사면이 중심볼트의 상단 경사면에 접촉되고, 하단 제2경사면이 록킹슬리브의 외주부 상단 경사면과 접촉되어 트리거 발생 전 볼트의 상부측 이동을 구속시키는 리테이너; 하우징과 록킹슬리브 사이에 설치되고, 외주면에 길이방향으로 서로 평행하게 형성된 복수의 와이어 가이드를 구비하며, 트리거 발생 전 리테이너의 반경방향 이동을 구속시키는 트리거블록; 및 와이어가이드에 설치되고, 양끝단 각각이 외부홀에 고정되며, 트리거 발생에 따라 공급되는 전력에 의해 수축되어 트리거 블록을 상부로 이동시켜 리테이너의 반경방향 이동과 중심볼트의 상부방향 이동에 대한 구속을 해제시켜 중심볼트의 인장을 허용시키는 형상기억합금 와이어;를 포함하는 것을 특징으로 하는 형상기억합금 실리더와 형상기억합금 와이어를 이용한 비폭발식 분리장치에 관한 것이다.
Abstract:
PURPOSE: A robot apparatus for an endoscopic surgery is provided to have enough flexibility by including a flexible shaft and a robot arm in an internal robot. CONSTITUTION: In a robot apparatus for an endoscopic surgery, an over-tube(100) is approached to an incision part through a natural opening or small opening part. A plurality of internal robots(200) is comprised of a flexible shaft and a robot arm with bending joint. An endoscope(300) is formed in the end of an over-tube or in one end of the plurality of robots. A robot arm driving unit(500) drives a robot arm. A surgical instrument(600) is formed in the end of the robot arm.
Abstract:
PURPOSE: Provided is a gauge for dislocation of hip joint which uses a surgery robot to display a base location for processing visually so that it shortens time in dislocating the hip joint. CONSTITUTION: The gauge for dislocation of the hip joint comprises the parts of: a square frame(20) which places a fixed support stand of the surgery robot to process the femoral region wherein the surgery robot includes plural actuators, a milling tool to be controlled by the actuator and moved toward each axis and a drive motor to be connected to the milling tool for providing drive power; an elevating arm(30) for elevating the frame; a clamp(40) which is connected to the lower side of the elevating arm to fix the femoral region; and the gauge(10) which is inserted into the femoral region to display processing standard for the femoral region before processing the surgery robot.
Abstract:
PURPOSE: An energy storing prosthetic foot keel is provided which makes manner of walking of a handicapped natural, reduces energy consumed during walking of the handicapped, and facilitates wearing thereof by structurally simplifying the prosthetic foot keel. CONSTITUTION: In a prosthetic foot keel connected to a pylon which is used as a substitute for shinbone of below-knee amputees, the prosthetic foot keel comprises an ankle part(105) coupled to the pylon; a bottom part(111) which is positioned as the sole; a plurality of curved surface parts which are positioned between the ankle part and the bottom part so as to connect the ankle part with the bottom part, wherein the ankle part, bottom part and plurality of curved surface parts form an integral type plate spring structure, wherein the plurality of curved surface parts comprise a first curved surface part(106) which is connected to the ankle part and formed in a radius of curvature of R1 and a second curved surface part(109) which connects the first curved surface part with the bottom part and is formed in a radius of curvature of R2, wherein a flat part(108) having a length of L1 is connected between the first curved surface part and the second curved surface part, and the bottom part has a length of L2 and inclined in a certain angle of θ, wherein a toe part(113) is formed at the end part of the bottom part in a radius of curvature of R3, wherein an aluminum pad(120) is adhered to the area contacted with the pylon in the ankle part, and wherein the prosthetic foot keel is a fiber reinforced composite material.
Abstract:
PURPOSE: A permeable extrinsic Fabry-Perot optical fiber sensor and a method for measuring transformation rate and temperature using the same are provided to measure transformation size and distinguish transformation direction. CONSTITUTION: A permeable extrinsic Fabry-Perot optical fiber sensor includes a first single mode optical fiber and a second single mode optical fiber(24,26) respectively inserted into the both ends of a capillary quartz glass pipe(25) for forming air gap and respectively fixed in the end of the capillary quartz glass pipe, a laser irradiating light to the other end of the first single mode optical fiber not inserted into the capillary quartz glass pipe, and an optical detector detecting interferometric fringe of the lights passing through the first single mode optical fiber, the air gap, the second single mode optical fiber, so that if the capillary quartz glass pipe is changed in length direction, the generating frequency and the signal level change tendency are changed with changing the gap length of the air gap according to the transformation size and direction of the capillary quartz glass pipe.
Abstract:
수술도구의 끝단에서 발생하는 힘을 정확하게 측정하여 시술자에게 피드백해줄 수 있도록, 내부가 빈 통형상으로 이루어지는 샤프트와, 샤프트의 말단부에 고정된 상태로 설치되는 고정 말단부재와, 샤프트의 말단부에 고정 말단부재쪽을 향하여 접근 또는 이격되는 작동이 이루어지도록 설치되는 작동 말단부재와, 샤프트의 말단부 반대쪽에 연결 설치되는 구동케이스와, 구동케이스의 내부에 설치되는 구동릴과, 구동릴과 작동 말단부재를 연결하며 구동릴의 회전력을 작동 말단부재에 전달하는 구동와이어와, 샤프트의 양단에 양쪽 끝부분이 고정되고 구동와이어가 내부에 삽입 설치되는 시스부재와, 샤프트에 설치되고 샤프트에 작용하는 힘의 변화를 감지하는 힘센서를 포함하는 힘센서가 부착된 최소침습수술용 로봇을 제공한다.
Abstract:
가늘고 긴 형태와 함께 유연성과 경직성을 선택적으로 갖도록 제어하는 것이 가능하도록, 수술에 필요한 작동이 이루어지는 말단부재에 연결되어 설치되는 복수의 짧은 링크와, 짧은 링크들을 연결하여 지지하는 선형 유연조절부재와, 선형 유연조절부재의 길이를 조정하여 짧은 링크들을 밀착된 상태 또는 이격되는 상태로 변화시키는 장력조절장치를 포함하는 유연한 수술도구용 경도조절장치를 제공한다.
Abstract:
PURPOSE: A rotation joint for operating instruments and a bending joint for the operating instruments are provided to expand and stabilize the operating region of the rotation joint and bending joint for the operating instruments by enabling accurate control and reducing manufacturing costs. CONSTITUTION: Multiple elastic bodies(131B, 132B, 133B) are formed between a first rolling surface(111B) and a second rolling surface(121B) for preventing a first link(110B) comprising the first rolling surface and the second link(120B) comprising the second rolling surface from being dislocated. A tow wire(140B) is included for controlling an angle formed with the first and second links by power from outside.