baber/WOPTO huggingface dataset:
Patent KR-20030033577-A (KR)
Title: Apparatus for Supplying Tissue
Inventor: LEE EUN CHEOL
IPC: A47K10/36
Filed: 2001-10-24
Abstract: PURPOSE: Provided is an equipment for supplying tissues without a cutting device. Tissues are cut by an already existing cut lines. CONSTITUTION: The equipment comprises: a tissue delivery part(200), and a tissue cutting control part(300) located at the upper part of the delivery part(200); first roller(230) connected to an output axis of a delivery motor(210) for power delivery and second roller(240) placed in the length direction of the first roller and holding tissues between the first roller(230) and itself and delivering the tissues, the two rollers being contained in the tissue delivery part(200); third roller(330) connected to an output axis of a control motor(310) for power delivery and forth roller(340) placed in the length direction of the third roller(330) and holding tissues between the third roller(330) and itself and delivering the tissues, the two rollers being contained in the tissue cutting control part(300); and halting process of the third roller(330) for a certain period for the delivery of the tissues while the delivery motor(210) and the control motor are in operation.
Patent KR-20030033672-A (KR)
Title: Method for forming gate electrode of semiconductor device and gate electrode thereby
Inventor: HONG JIN GI
IPC: H01L21/336
Filed: 2001-10-24
Abstract: PURPOSE: A method for forming a gate electrode of a semiconductor device and a gate electrode using the same are provided to improve operation speed by forming a minus sloped gate electrode. CONSTITUTION: A stopping oxide layer and an insulation layer are sequentially formed on a semiconductor substrate(30) having a source and drain electrode(32,34). After forming a photoresist pattern on the insulation layer, an insulation pattern having a hole is formed by etching the insulation layer using reaction gas for generating polymers. At this time, the width of the upper portion of the hole is larger than that of the lower portion of the hole. After removing the photoresist pattern, a conductive layer is filled into the hole of the insulation pattern. A polishing process is carried out with the conductive layer in order to expose the insulation pattern. A minus sloped gate electrode(48) is formed by removing the insulation pattern.
Patent KR-20030033875-A (KR)
Title: Ventilator with heat exchanging function
Inventor: JUNG GEE SUN
IPC: F24F12/00
Filed: 2001-10-25
Abstract: PURPOSE: An air conditioner for heating and cooling with waste heat recovery function is provided to reduce energy consumption. CONSTITUTION: A waste heat recovery part(10) is formed to recover and circulate indoor air introduced into an exhaust part(110) by opening and closing of a bypass damper(12) formed on the middle of an air conditioner(100) to an air supply part(120). A rotary type heat exchanger(20) is formed on one side of the waste heat recovery part between dampers(130,140) to spread over the air supply part and the exhaust part. The waster heat recovery part collects waste heat to the air supply part. The rotary type heat exchanger transmits remaining waste heat to outside air introduced from the outside.
Patent KR-20030038105-A (KR)
Title: Nozzle assembly for bidet
Inventor: SEO YEONG SU
IPC: E03D9/08
Filed: 2001-11-08
Abstract: PURPOSE: A nozzle assembly of a bidet is provided to economize on water by washing effectively and functioning as a bidet. CONSTITUTION: The nozzle assembly of a bidet comprises: a nozzle guide cylinder(10) provided with a washing nozzle guide cylinder(11), a bidet nozzle guide cylinder(12) and a hanging projection; a washing nozzle unit(20) and a bidet nozzle unit(30) interposed in the nozzle guide cylinder(10), provided with nozzles to discharge cold and hot water to nozzle bodies and flanges to attach springs(28,38) and packings; and a flow control valve unit(40) attached to one end of the nozzle guide cylinder(10).
Patent KR-20030039287-A (KR)
Inventor: YOON BYUNG JAE
IPC: A23F3/30
Filed: 2001-11-12
Abstract: PURPOSE: A tea-bag product is provided to remove hanover by enhancing the decomposition of alcohol and the activation of liver function while protecting the stomach and bowels. CONSTITUTION: A hangover removing tea-bag product contains 30-40 wt.% of roots of a reed(Phragmites communis), 20 wt.% of fruits of Hovenia dulcis, 10-20 wt.% of an alder tree(Alnus japonica), 5 wt.% of leaves of Stevia(Stevia rebaudiana), 5 wt.% of mung beans(Phaseolus radiatus), 5 wt.% of green tea, 5 wt.% of flowers of an arrowroot, 5 wt.% of dates, 2 wt.% of roots of an arrowroot, 1 wt.% of fruits of Schizandra chinensis, 1 wt.% of oak mushrooms(Lentinus edodes), 1 wt.% of red ginseng.
Patent KR-20020090291-A (KR)
Inventor: IIJIMA KIICHIROH
IPC: F16G1/28
Filed: 2001-11-20
Abstract: PURPOSE: An image-forming device using a driving force transmitting device is provided to efficiently prevent breakage of a hole part of a through-hole formed at a flat belt, to get an output image without defects by safely transmitting driving force to an image carrier corresponding to a driven member. CONSTITUTION: An image-forming device using a driving force transmitting device is composed of a plurality of columns of through-holes(3) formed in at least one of flat belts(1) along a traveling direction thereof and a plurality of columns of projections(4) fitted to the through-holes of the flat belt which is installed on at least one of tension members(2) hanged with the flat belt along a rotational direction thereof.
Patent KR-20030043287-A (KR)
Title: Disc player having apparatus for clamping disc
Inventor: YANG HYEONG GWON
IPC: G11B17/028
Filed: 2001-11-27
Abstract: PURPOSE: A disk player employing a disk clamping device is provided to securely combine a clamp with a clamp fixing holder. CONSTITUTION: A disk player includes a clamp(100) for supporting a disk mounted on a turn-table, and a disk clamping device having a clamp fixing holder(200) fixed to a deck. The clamp has a fixing unit that is composed of a through-hole(101) formed at the edge of the wing of the clamp and an elastic deforming part(102) placed around the through-hole. The clamp fixing holder includes a support that is composed of a protrusion(211) projected to the inside of a clamp fitting hole(210), and a supporting protrusion formed under the protrusion to support the edge of the wing of the clamp.
Patent KR-20020042466-A (KR)
Inventor: SAEKI TAKANORI
IPC: H03K5/13
Filed: 2001-11-28
Abstract: PURPOSE: To allow setting to a correct phase, without being affected by a loop jitter by feedback constitution. CONSTITUTION: This circuit is provided with a multi-phase clock generating circuit 2 for inputting an output of an input buffer 1 to generate a multi-phase clock, a selection circuit 9 for selecting one out of inputs using multi-phase clock outputs from the clock generating circuit as the inputs, a variable delay circuit 50 for delaying an output of the selection circuit, a clock buffer dummy 60 for inputting an output of the first variable delay circuit, a phase comparison circuit 3 for detecting a phase difference between the output from the clock generating circuit 2 and the output from the clock buffer dummy, and a filter 4 for smoothing an output of the phase comparison circuit. The variable delay circuit 50 is provided with a variable delay circuit 51 in which a delay time is varied by a filter output and in which the delay time is varied by the filter output using the output of the input buffer 1 as an input, an addition circuit 7 for summing up the filter output and an input set value 13, a variable delay circuit 52 in which a delay time is varied by an output of the addition circuit 7 using the output of the input buffer 1 as an input, and clock buffers 61, 62 for inputting outputs of the variable delay circuits 51, 52, respectively.
Patent KR-20030045362-A (KR)
Title: GIS DB omitted
Inventor: KIM YEONG JEONG
IPC: G06F17/30
Filed: 2001-12-03
Abstract: PURPOSE: A method for collecting and constructing a database of a web GIS(Geographic Information System) based GPS(Global Positioning System), and a service application method for the same are provided to enhance data reliability, and to offer the correct and reliable database data. CONSTITUTION: A web GIS system comprises a data mining system, a web server, and a web GIS system. The data mining system comprises a microscopic attribute individual database constructed by a database collecting work, and a macroscopic statistics database mutually correcting the microscopic attribute individual database. The microscopic attribute individual database is collected by a survey, the online input through a charged or free advertisement, a society or an organization by each business category, and the database cooperation with a company having the basic database such as a telephone directory and yellow pages.
Patent KR-20030046861-A (KR)
Title: lacqner tree containing rice manufacturing method.
Inventor: KIM DO YOUNG
IPC: A23L7/196
Filed: 2001-12-04
Abstract: PURPOSE: Provided is a manufacturing method of rice containing lacquer tree components which is very beneficial to the human body. Therefore, a consumer easily takes lacquer tree components. CONSTITUTION: Rice containing lacquer tree components is characterized by coating a lacquer tree extract on the surface of rice and impregnating an albumen of the rice with the extract. Its manufacturing method comprises the steps of: preparing a lacquer tree extract; polishing rice with coating and impregnating with the extract; and drying the rice.
Patent KR-20030046872-A (KR)
Inventor: KANG HUI BOK
IPC: G11C11/15
Filed: 2001-12-07
Abstract: PURPOSE: A magnetoresistive RAM(Random Access Memory) is provided to reduce a size of a magnetoresistive RAM cell by memorizing multiple data according to the magnetizing direction of an MTJ(Magnetic Tunnel Junction) within the magnetoresistive RAM. CONSTITUTION: A magnetoresistive RAM includes a multiple data detection circuit(100) to convert the current of a magnetoresistive RAM cell connected to a bit line and detect multiple data according to a difference between the magnetizing directions of an MTJ within the magnetoresistive RAM cell. The data detection circuit includes a current-voltage conversion portion(110), a plurality of sense amplifiers(120,130,140) which generate reference voltage having different values, and a data encoder(150). The current-voltage conversion portion converts the current of a magnetoresistive RAM cell to the voltage and generates the multiple data. The sense amplifiers are used for generating and amplifying plural data by using the reference voltage. The data encoder is used for encoding the plural data.
Patent KR-20030047280-A (KR)
Title: Device of interior material sticking for a car door trim
Inventor: KIM JONG MU
IPC: B62D65/06
Filed: 2001-12-10
Abstract: PURPOSE: A sticking apparatus for interior materials of a door trim for a vehicle is provided to prevent loss of fabric and to prevent interior materials from removing from the door trim. CONSTITUTION: A sticking apparatus for interior materials of a door trim for a vehicle comprises a slide table(16), a fitting device(40), a fixing device(30), a heating device(60), a transmission device(20), and a pressurizing device(50). The slide table is stuck to a lower portion of an upper frame and moved by an operation of a cylinder. The fitting device has an inserting blade and an auxiliary inserting blade. The inserting blade is installed to a lower portion of the slide table, moved by the cylinder vertically and equipped with the auxiliary blade on both sides. The fixing device has a transmission plate(22) and a press plate. The transmission plate places interior materials under the slide table. The press plate fixes interior materials to the transmission plate. The heating device heats interior materials on a rear portion of the fixing device. The transmission device transfers the fixing device to the heating device with a belt(26) rotated along a guide rail(64). The pressurizing device has upper and lower metal molds. The lower metal mold mounts the door trim under interior materials. The upper metal mold presses interior materials to the door trim by being mounted to the slide table. Thereby, durability is improved by sticking the door trim to interior materials. Loss of interior materials is prevented.
Patent KR-20020059228-A (KR)
Inventor: ISHIZEKI KENJI
IPC: G02B1/18
Filed: 2001-12-10
Abstract: PURPOSE: A curable composition, a cured coating prepared by using the composition and a coated substrate containing the cured coating are provided, to improve wear resistance, transparency, pollution resistance and strippability. CONSTITUTION: The curable composition comprises 100 parts by weight of a compound having at least one active energy-curable polymerizable functional group; 0.01-20 parts by weight of a fluorine-containing copolymer obtained by copolymerizing a polymerizable monomer having a polyfluoroalkyl group and a polymerizable monomer having a photocurable functional group, or introducing a photocurable functional group into a fluorine-containing copolymer obtained by the copolymerization of a polymerizable monomer having a polyfluoroalkyl group and a polymerizable monomer having a group where a photocurable functional group can be introduced; 0.01-20 parts by weight of and a photopolymerization initiator.
Patent KR-20030053634-A (KR)
Title: Tunnel Lining Structure System using Bolt-welded Thin Steel Plate and Construction Method thereof
Inventor: HUH JEONG WON
IPC: E21D11/10
Filed: 2001-12-22
Abstract: PURPOSE: A tunnel lining structure using a sheet steel joined with a stud bolt is provided to secure structural safety by minimizing the relaxation of ground, to prevent accidents caused by the falls of bedrock and to improve working environment. CONSTITUTION: The tunnel lining structure(10) using a sheet steel joined with a stud bolt comprises: many curved sheet steels(11) joined with stud bolts(12), wherein an internal wall of a tunnel is formed by arranging many sheet steels(11) to be overlapped mutually while the stud bolts(12) face a shotcrete layer(14) and bolting up the overlapped sheet steels(11); a shotcrete layer(14) placed directly on the surface of footing bedrock(13); and a plain concrete layer(15) back-filled between the sheet steel(11) and the shotcrete layer(14).
Patent KR-20020055421-A (KR)
Inventor: AMEMIYA SHINICHI
IPC: A61B8/14
Filed: 2001-12-27
Abstract: PURPOSE: To minutely perform time gain adjustment by using a small manual setting unit. CONSTITUTION: One of the two dimensional coordinates at a position where an external object is brought into contact with the front surface of a tablet pointer 215 is adopted as a coordinate on a time axis and the other is as a coordinate on a gain axis. Time gain is adjusted based on the two-dimensional coordinates.
Patent KR-20030056646-A (KR)
Title: System and Method of Cordless Phone Service using User Authentification
Inventor: KIM JEONG SEON
IPC: H04L9/32
Filed: 2001-12-28
Abstract: PURPOSE: A public cordless phone service system for custom authentication and method thereof are provided, which supply public cordless phone service through a custom authentication process through a calling path of a telephone network, by receiving digital terminal address information and converting it into a DTMF(Dual Tone Multi Frequency) signal. CONSTITUTION: According to the public cordless phone service system, a cordless phone(10) transmits a sending message for phone service through a radio network and receives a phone address authentication result, by adding a phone address to a destination number, when the destination number is inputted. A base station(20) converts the phone address information received from the cordless phone into a DTMF(Dual Tone Multi Frequency) signal and then transfers it to a telephone network, and transfers the phone address authentication result to the cordless phone, and transfers the destination number to the telephone network. A switching point device(40) requests authentication to an authentication apparatus(50) by converting the DTMF signal received through the telephone network into the terminal address information, and then transfers the terminal address authentication result from the authentication apparatus to the above telephone network, and routs the destination number having an authentication terminal address. A mobile switching center(30) is comprised in the telephone network, and transmits/receives the DTMF signal between the base station and the service switching point apparatus. And the authentication apparatus authenticates the terminal address information and informs the terminal authentication result to the service switching point apparatus.
Patent KR-20030058397-A (KR)
Title: Web Server, Home Network Device, and Method for User Interface according to Device Characteristics
Inventor: NAM HO SEOK
IPC: G06F15/16
Filed: 2001-12-31
Abstract: PURPOSE: A user interface system and method thereof is provided for a home network device to browse a web file which is reconstructed to be suitable to own resolution. CONSTITUTION: In a user interface method using a web server which receives a corresponding web file request from a home network device through the Internet and processes the web file request, the web server stores resolution information of the home network devices in a script(S60). A corresponding web file of the web server is restructured by changing tag attribute according to resolution information stored in the script(S61). The script and the restructured web file are transmitted to the home network device(S63). The transmitted script is parsed(S64), and resolution information of the home network device is searched(S65). A web file adapted to a resolution of the home network device is browsed using the searched result(S66).
Patent KR-20010086389-A (KR)
IPC: G02B6/34
Filed: 2000-01-13
Abstract: 본 발명은 보다 정밀한 설계 및 제조를 가능하게 하는 구조를 구비한 광파이버 그레이팅 소자, 그 제조방법 및 그것을 포함하는 광파이버 필터에 관한 것이다. 
     본 발명에 따른 광파이버 그레이팅 소자는 굴절률(n1)의 제 1 코어 영역과, 상기 제 1 코어 영역의 외주에 설치된 굴절률(n2)의 제 2 코어와, 상기 제 2 코어 영역의 외주에 설치된 굴절률(n3)의 클래드 영역을 구비하는 동시에, 사용 파장 대역으로부터 장파장측으로 LP02 모드광의 컷오프 파장을 갖는 멀티모드 광파이버를 포함한다. 상기 제 1 코어 영역의 소정 영역 내에는 사용 파장 대역내의 소정 파장의 기저 LP01 모드광을 LP0m(m≥2) 모드광에 선택적으로 결합시키는 장주기 그레이팅이 설치되어 있다. 특히, 본 발명에 따른 광파이버 그레이팅 소자는, 기저 LP01 모드광의 실효 굴절률을 Neff01로 하고, LP0m(m≥2) 모드광의 실효 굴절률을 Neff0m으로 할 때, n1＞Neff01＞n2＞Neff0m＞n3되는 관계를 만족하고 있다.
Patent KR-20010075072-A (KR)
Title: 재기록 가능한 광 기록장치에 있어서의 레이저 다이오드제어
IPC: G11B7/125
Filed: 2000-07-10
Abstract: 본 발명은, 정보 콘텐트에 따라 기록매체 상에 2개의 서로 다른 상태가 발생되도록 하는, 재기록 가능한 기록매체에 광 기록하는 전자 장치에 관한 것이다. 본 발명에 따르면, 복수의 상태를 기록할 때, 복수의 상태 중에서 단지 한가지 상태의 반사도가 측정되고, 다른 상태를 기록할 때에도 레이저 다이오드의 출력을 제어하기 위한 측정값이 사용된다.
Patent KR-20010080344-A (KR)
IPC: H04L1/18
Filed: 1999-10-26
Abstract: 본 발명에 따르면, 아직 성공적으로 전송되지 않은 구식 패킷들을 폐기함으로써, 데이터 패킷을 전송하기 위해 네트워크 내의 수신기 및 송신기에 의해 사용된 대역폭을 최소화하기 위해 데이터 내트워크에서 자동 반복 요청(ARQ:Automated Repeat Request) 방식을 사용하는 기술이 제공된다.  본 발명의 실시예에 따라, 비트는, 폐기되었고 재전송되지 않은 하나 이상의 오류 또는 비수신 패킷들 다음의 패킷들을 강제로 수신기가 수용하게 하도록 ARQ 패킷 헤더에서 설정된다.  본 발명의 또다른 실시예에 따라, 데이터 패킷들이 폐기된 후에, 시퀀스 번호들은 아직 수신기에 전송되지 않은 미폐기 데이터 패킷들에게 다시 할당되어서, 미폐기 패킷들의 전송 스트림이 연속 시퀀스 번호들을 갖게 한다.
Patent KR-20010104383-A (KR)
Title: Method for recycling pet components and device for carrying out said method
IPC: B08B3/02
Filed: 2001-01-18
Abstract: A process for the recycling of PET flakes from comminuted PET bottles, wherein the flakes are subjected to a washing treatment, are treated for at least 20 minutes in at least one washer at an elevated temperature higher than 70° C. with a cleaning solution which contains caustic soda, and at the same time are also mechanically and hydraulically treated.
Patent KR-20020020693-A (KR)
Title: 척 장치
IPC: B23B31/177
Filed: 2001-02-15
Abstract: 척 장치(1)에는 입력 축 부재(4)부터 입력된 회전 구동력을 감속하는 웜 기어 기구(5)와, 웜 기어 기구(5)부터 전달되는 회전 구동력에 의해 스크루 축 부재(46)를 축 방향으로 구동하는 제2 기어 기구(6)와, 스크루 축 부재(46)에 전달되는 축 방향 구동력을 방향 변환하여 한 쌍의 발톱 부재(3)를 좌우 대칭으로 구동하는 변환 기구(7)가 설치되어 있다.  따라서, 입력 축 부재(4)에 입력된 회전 구동력은 웜 기어 기구(5)와 제2 기어 기구(6)에 의해 증강되고, 그 회전 구동력은 변환 기구(7)에 의해 방향 변환되어 발톱 부재(3)에 전달되고, 가공물 또는 공구를 강력하게 척 고정할 수 있다.
Patent KR-20020012555-A (KR)
Title: 작은 아크 램프에서 더 큰 타겟으로 광을 커플링시키는개선된 시스템
IPC: F21Y101/00
Filed: 2000-02-25
Abstract: 광 가이드(8)는 큰 수치적 구경(numerical aperture)을 갖는 이미징 원(imaging source)(1)으로부터 나오는 가능한한 많은 광을 상대적으로 작은 수치적 구경을 지닌 광섬유 요소(7)로 커플링시키는데 사용된다. 테이퍼져 클래딩된 로드, 광섬유들의 테이퍼져 융합된 번들, 테이퍼진 중공형 반사 튜브, CPC 또는 네가티브 렌즈(negative lens)가 광 가이드로서 사용될 때 플럭스 밀도의 손실없이 광섬유 요소로 광의 효율적인 커플링을 제공한다. 그러한 시스템은 축-외 구형 반사기처럼 1:1 이미지를 생성시키는 것과 간은 높은 수치적 구경으로 매우 작은 이미지 점 크기를 생성시키는 이미징 원과 함께 사용될 때 특히 이롭다.
Patent KR-20020022699-A (KR)
IPC: G06F17/30
Filed: 2000-06-13
Abstract: 정보 제공자의 서버(10)와, 서버(10)내의 정보를 관람하는 클라이언트(20)와, 정보 수집자(8)의 서버(30)가 접속된 인터넷 상의 네트워크 시스템에 있어서는, 정보제공자(6)의 서버(10)가 제공하는 정보(11)중에 정보수집 지시 스크립가 기입되어 있다. 정보 관람자(7)의 클라이언트(20)가 정보제공자(6)의 서버(10)에 액세스하면, 자동적으로 서버(10)내의 홈페이지에 삽입된 정보 수집지시 스크립을 판독하여 클라이언트(20)의 정보 및 서버(10)내의 엑세스된 정보를 정보 수집자(8)의 서버(30)로 송신한다. 그 결과, 정보 제공자가 제공하는 홈페이지나 전자 메일 등의 인터넷의 기술을 이용한 네트워크 상의 다큐먼트를 정보 관람자가 관람하는 경우의 모든 관람상황의 수집이 가능한 시스템이 제공된다.
Patent KR-20020023960-A (KR)
Title: 온도 보상되는 압전 액추에이터
IPC: H01L41/083
Filed: 2000-05-20
Abstract: 본 발명은, 예를 들면 기계적 부품, 특히 밸브를 작동시키기 위한 압전 액추에이터에 관한 것이다. 인장력 또는 압축력을 작동 소자(9)에 가하기 위한 하나의 압전 소자(2)와 하나의 보상 소자(3; 20)를 포함하고, 상기 압전 소자(2)와 보상 소자(3; 20)는 실질적으로 동일한 열팽창 계수를 가진다. 압전 소자(2)와 보상 소자(3; 20)의 열팽창은, 작용 방향에 있어서 작동 소자(9)가 제 위치에 머무르도록, 상기 보상 소자(3; 20)가 압전 소자(2)와 기계적으로 결합된다.
Patent KR-20020030286-A (KR)
Inventor: KANG CHANG GU
IPC: E01C9/08
Filed: 2002-01-15
Abstract: PURPOSE: A lining board is provided, which is made to sustain overload by aligning H-type steel and I-type steel when used to construction of subway or sub-facility construction. CONSTITUTION: The lining board is equipped with supporting board(34) located at central backside of board(31) to be vertical to length direction of board(31) and side wall(32) to support side of H-type steel and I-type steel. L-type angle(35) is installed vertically to the length direction of board(31) to prevent movement of the lining board. A rubber pad(36) is installed on the angle(35) to absorb shock or to prevent slip of the lining board.
Patent KR-20030064496-A (KR)
Title: Actuator fixing device of optical pick-up having no spherical seat
Inventor: LEE JAE EUN
IPC: G11B7/22
Filed: 2002-01-28
Abstract: PURPOSE: An apparatus for fixing an actuator of an optical pickup is provided to selectively fix an actuator and a base by a fixing key, thereby easily handling and transporting the combined actuator and the base. CONSTITUTION: A base(100) is combined with a main shaft and a sub-shaft of a deck for reciprocating in a radial direction of an optical disk, has an installation space formed on an upper surface, and has insertion grooves formed on both side walls of the installation space. An actuator(200) is arranged in the installation space of the base for receiving an optical beam incident through an objective lens(202) and focusing the optical beam on one spot of the optical disk while moving with the base, and has fixing grooves corresponding to the insertion grooves of the base. A fixing key(300) has one side inserted into the insertion grooves of the base to fix the actuator and the other side inserted into the fixing grooves of the actuator.
Patent KR-20030064903-A (KR)
Title: intramedulary shunt system
Inventor: KIM JEE HYOUNG
IPC: A61B17/56
Filed: 2002-01-29
Abstract: PURPOSE: A marrow cavity connecting tube with a pump is provided to reduce the damage of thigh-bone by employing a tube that is provided with a pump. CONSTITUTION: A marrow cavity connecting tube is comprised of a necrosis-region tube, a normal-region tube, a pump between the necrosis-region tube, and the normal-region tube. The necrosis-region tube is inserted into a necrosis tissue. The normal-region tube is inserted into the normal bone marrow. The pump is inserted under the skin to be operated by a patient or the contraction of muscle. The pump is further operated by a battery. A blood contained in the normal bone marrow is transferred to the necrosis tissue sequentially through the normal-region tube, the pump, and the necrosis-region tube.