baber/WOPTO huggingface dataset:
Patent KR-960004082-B1 (KR)
Title: Wire forming method of semiconductor device
Inventor: JUNG MOON-MOO
IPC: H01L21/28
Filed: 1992-12-24
Granted: 1996-03-26
Abstract: depositing an insulating film(52) on a first metal layer(51) formed on a semiconductor substrate; forming a buffer layer(8) thereon; forming a via hole(9) in the defined portion of the insulating film(52) on which the metal wiring is positioned; forming a inclined via hole(60) by forming a second buffer layer(8-1) on the insulating film excepting the bottom of the via hole and etching back it; forming a Ni layer(61) in the via hole; exposing the first metal layer(51) to pass through the bottom of the via hole by etching back the metal layer and anisotropic dry etching the insulating film(52) to use the buffer layer as a mask; remaining the metal layer(61-1) on upper side wall of the via hole; forming a polysilicon plug(63) by etching back a formed polysilicon; depositing a Ni layer(64) over the surface; carrying out the heat treatment of the polysilicon(63) at 700-900 deg.C, and selectively removing the unreactive metal layer(64); and depositing an aluminium alloy layer(66) over the surface.
Patent KR-100290217-B1 (KR)
Title: 반도체 웨이퍼 카세트 맵퍼 및 반도체 웨이퍼 존재 혹은 크로스 슬롯 여부 탐지방법
IPC: H01L21/673
Filed: 1992-12-28
Granted: 2001-06-01
Abstract: 반도체 웨이퍼 카세트 맵퍼가 웨이퍼 카세트의 특정된 상응하는 슬롯쌍내에 반도체 웨이퍼가 존재하는 지의 여부뿐 아니라 웨이퍼가 상응하는 한 슬롯쌍내에 정렬되 있지 않은 크로스 슬롯트된 상태를 탐지한다. 이같은 웨이퍼 카세트 맵퍼는 스탠다드의 슬롯에 끼워진 웨이퍼 카세트를 수용하기 위한 베이스 부재를 포함하며, 이 베이스부재는 그 맞은편 측면에서 송신기와 수신기 모듈을 포함한다. 송신기와 수신기 모듈은 같은 다수의 내향하여 마주하여 정렬된 광선구멍을 포함한다. 송신기 모듈내의 광선구멍 각각은 광 방출 적외선 송신기 포함하며, 수신기 모듈내의 광선구멍 각각은 하나의 적외선 수신기를 포함한다. 제어회로는 선택적으로 일정한 시간동안 광방출 송신기를 작동시키며 특정 수신기가 선택된 송신기에 의해 송신된 광선을 수신하였는가를 결정하도록 그와 같은 일정 시간동안 적외선 수신기를 조사한다. 다음에는 논리회로가 이같은 정보를 처리하여 특정된 웨이퍼 위치가 비어있는지 그리고 크로스 슬롯트된(cross slotted) 상태가 존재하는가를 결정하도록 한다.
Patent KR-950002074-B1 (KR)
Title: Audio system having pipeline structure
Inventor: LEE KYONG-JAE
IPC: H03H17/00
Filed: 1992-12-29
Granted: 1995-03-10
Abstract: The system enlarges the coefficient of filter for high speed multiplication effect, and has the natural echo effect. The system includes a data ram (51) which memorizes the computed state value, a counting ram (52) which saves the gain value, a multiplies (53) which computes the coefficients of previous process, an adder (54) which addes the multiplication result to the accumulator result (55), an accumulator (55), a ring counter (56) which supplies control signals (Q0-Q12) to the system unit, counters (57)(58), and a gate (59).
Patent KR-100187712-B1 (KR)
Title: Process and device for monitoring the performance of a catalyst in an internal combustion engine
Inventor: MAUS WOLFGANG
IPC: F01N3/18
Filed: 1991-03-18
Granted: 1999-06-01
Abstract: An internal combustion engine has an engine control for processing a number of measured values received over measurement lines, converting the measured values into control data for operating the engine and carrying the control data over engine feed lines to the engine, for instance for controlling at least one of fuel injection, air delivery and ignition with the control data. A method for controlling the internal combustion engine includes directly measuring a temperature of walls or structures of a catalytic converter disposed downstream of the engine, supplying a value of the temperature to the engine control over at least one data line, processing the value of the temperature in the engine control along with other measured values and using the processed value to control the engine. An apparatus for controlling the engine and for monitoring the temperature of the catalytic converter includes at least one temperature sensor integrated on or in walls or structures of the catalytic converter. An engine control receives a number of measurement data as input variables from measurement lines and derives control data for operation of the engine from the measurement data. Engine feed lines carry the control data to the engine. At least one data line delivers measured temperature values from the catalytic converter to the engine control as input variables in addition to other input variables.
Patent KR-0153287-B1 (KR)
Inventor: OHTSUKA HIROSHI
IPC: G03F1/00
Filed: 1991-06-19
Granted: 1998-11-02
Abstract: 본 발명은 배선패턴을 형성하는 사이의 포토리소 그래피 공정에 사용되는 위상쉬프트 마스크에 관한 것이다. 투명마스크기판(11)상에, 선택적으로 형성된 차광패턴(12)과, 이 차광패턴에 인접하는 투명부에 시설되어, 투명마스크 기판과의 위상차가 90°인 2종류의 위상시프터층이며, 또한 위상시프터간의 위상차가 180°인 위상쉬프터(13a,13b를 설치한 것이다. 
     위상쉬프터간의 위상차를 180°로 하는 것으로, 고해상력화(高解像力化)를 도모하고, 더욱 투명마스크 기판과의 위상차를 90°로 하는 것으로, 쉬프터 에지부로서 불필요한 패턴이 전사(轉寫)되는 것을 방지한다.
Patent KR-950006407-B1 (KR)
Title: Cut-off device for a gas catridge
Inventor: JONG KON-SHIK
IPC: F17C13/12
Filed: 1993-02-27
Granted: 1995-06-14
Abstract: The breaker actively breakes off gas passaways if an abnormal phenomena occurs in pipes or devices where highly compressed gas passes. The overload breaker can be easily equipped irrespective of the position, and improve the safety. It comprises a main body(10) having an inlet(12) and an outlet(13) within a hollow inner space; an immobile magnet(21) fixed in the inlet(12) by a fixture(25); a mobile magnet(23) generating a push force when getting near the fixed magnet(21); a breakes (20) plugging up the outlet(13) with the mobile magnet moved by the gas pressure in case of abnormal phenomena; a spacer(31) adjusting the distance between the two magnets(21,23).
Patent KR-100190539-B1 (KR)
Inventor: KAMIKAWA YUJI
IPC: B08B3/06
Filed: 1993-03-11
Granted: 1999-06-01
Abstract: 인접하는 처리실을 서로 구획하는 격벽의 하부에 연통구를 형성하여 양 처리실을 서로 이어지도록 하고, 양 처리실 내부에 처리액을 수용하는 가동처리탱크를 이동가능하게 배설한다. 
     가동처리탱크에 수용되는 처리액과 격벽을 접속시켜서 양 처리실을 차폐한다. 이것에 의해 양 처리실의 분위기가 서로 격리되므로, 양 처리실 내부의 가동처리탱크를 겸용으로 사용할 수 있어, 장치 전체를 소형화로 함과 동시에, 처리액의 소비량을 저감시킬 수 있다. 또 웨이퍼의 반송수단이 불필요하기 때문에, 수율을 향상시킬 수 있다.
Patent KR-960016629-B1 (KR)
Inventor: JOHANN BINDL
IPC: C08J3/03
Filed: 1993-03-27
Granted: 1996-12-16
Abstract: 요약 없음
Patent KR-950007412-B1 (KR)
Title: Manufacturing method of rope
Inventor: CHOE SANG-RYOL
IPC: D06M15/564
Filed: 1993-05-18
Granted: 1995-07-10
Abstract: A para-group of aramide was twisted to satisfy the equation (TPM = 2880×1.1 Dexp 1/2±5%; D= Denier), and impregnated into an aqueous solution containing polyester polyol and 5-20% polyurethane having 40-50 % a solid part, and dried to manufacture the rope. The rope was treated with 1-10 % ultraviolet absorbent solution such as titanium oxide, zinc oxide, iron oxide, benzophenone derivatives, benzotriazole and triethanolamine, dried at 120 degree C, and heat treated at 190 degree C for 1 min to give the rope having a good weatherability.
Patent KR-950002326-B1 (KR)
Title: Vinyl envelope feeding device for umbrella
Inventor: LEE KIL-BOK
IPC: A45B25/24
Filed: 1993-05-22
Granted: 1995-03-16
Abstract: The apparatus for supplying the umbrella bag automatically not to allow the raindrop to the floor blows the air into the vinyl bag (30) stacked on a vinyl box (40) and connected continuously. When a guest puts his umbrella into the expanded vinyl bag, the tear line of the vinyl is cut off automatically by the his inserting force and a next vinyl bag is supplied.
Patent KR-100295155-B1 (KR)
Title: 알켄산유도체제조방법
IPC: C07C67/38
Filed: 1993-06-24
Granted: 2001-11-05
Abstract: 본 발명은 조절된 극성의 반응 매질내에서 반응이 수행되는, 팔라듐 화합물, 멀티덴테이트 포스핀 리간드, 및 임의로 프로톤산을 포함하는 촉매 시스템의 존재하에, 액체 상태의 히드록실기-함유 화합물 및 일산화탄소와 지방족 컨쥬게이트 디엔을 반응시킴으로써 알켄산 유도체를 제조하는 방법에 관한 것이다.
Patent KR-0176462-B1 (KR)
Inventor: KIM DUK-MIN
IPC: G11B20/12
Filed: 1993-06-25
Granted: 1999-04-15
Abstract: 본 발명은 영상신호처리장치에서의 날짜/시간기록처리회로에 관한 것으로, 특히 기록된 영상신호의 재생중에 영상신호에 포함된 날짜/시간데이타신호를 선택적으로 화면상에 표시할 수 있도록 처리하는 날짜/시간 기록처리회로로서 날짜/시간설정키 및 입력키등을 포함하여 데이타를 입력하기 위한 키입력부(10); 키입력부로 부터의 키입력에 따라 시계로서의 동작을 하는 시계부(20); 시계부(20)로 부터의 날짜/시간데이타의 입력으로 부터 변환된 코드를 발생하고 또한 재생된 신호에서 검출된 날짜/시간 코드데이타를 변환하여 날짜/시간데이타를 형성하는 데이타변환부(30); 키입력부(10)로 부터의 제어에 따라 데이타변환부(30)의 출력동작상태를 제어하는 데이타출력제어부(40); 데이타출력부(30)로 부터의 변환된 데이타를 재생시에는 화면표시용 데이타로 변환처리하는 온스크린 디스플레이(OSD)부(70); 비디오신호의 기록시 입력되는 비디오신호와 OSD부를 통하여 데이타변환부에서 변환된 날짜/시간코드데이타를 혼합하여 기록신호를 형성하는 제1믹서; 비디오신호의 재생시 입력되는 비디오신호와 OSD부에서 처리된 날짜/시간데이타를 혼합하여 재생신호를 형성하는 제2믹서; 기록/재생부로 부터 재생된 비디오신호에서 날짜/시간코드데이타를 검출하여 데이타변환부로 공급하는 검출회로를 포함한다.
Patent KR-100284397-B1 (KR)
Title: 비디오 신호 인코더용 리셋 제어 회로망
IPC: H04N7/62
Filed: 1993-07-03
Granted: 2001-03-02
Abstract: 비디오 신호 인코딩 시스템은 인코딩된 비디오 데이타를 헤더 섹션(314)과 패킷 데이타(316) 섹션을 갖는 전송 블록으로 분할하는 신호 프로세서(300)을 포함한다. 상기 시스템은 소정의 순서로 신호 처리를 개시할 수 있도록 소정의 비동기적인 단계적 순서로 전체 시스템을 리세트 한 후에, 시스템 소자들의 리세트를 해제시키는 리세트 제어 장치(110)도 포함한다. 상기 단계적 리세트 해제 시퀀스는 유효 데이타가 데이타 라인의 변이에 따라 감지되는 경우에 시작된다.
Patent KR-970003179-B1 (KR)
Inventor: WADA YUKIO
IPC: H02G1/06
Filed: 1993-07-20
Granted: 1997-03-14
Abstract: 내용없음.
Patent KR-970005990-B1 (KR)
Title: Reduced reservation method in video cassette recorder
Inventor: HONG SUNG-HOON
IPC: G11B27/02
Filed: 1993-10-26
Granted: 1997-04-22
Abstract: A method for shortly reserving a program of a VCR having an inputting key(1), a remote controller(2), a microcomputer(3), a displaying unit(4) and a ROM(6) is disclosed. First, all of informations for reserving a program are set. And then, a start time and an end time of the reservation time menu is set. At the time of the starting of the reservation, the set reservation information is displayed on the displaying unit(4). And also, the time menu is displayed. A set reservation contents can be changed according to a common reservation method.
Patent KR-970001968-B1 (KR)
Title: Control method for calorimeter
Inventor: SONN DAE-WON
IPC: G01K17/16
Filed: 1993-10-29
Granted: 1997-02-20
Abstract: A operation control method for a calorimeter displays a fluid flux, an input/output calory, and a battery consumption, and prevents upstream current. In case of a pulse input state, the method includes the steps of: sequentially sensing a supply-side temperature of a supply-side temperature sensor(1), a return-side temperature of a return-side temperature sensor(2), and a battery voltage of the battery sensor(3); calculating them as a calory value; determining a battery voltage; displaying an alarm and returning to an initial state in case of a predetermined voltage input state. In case a pulse input state is not determined, the method sequentially senses the supply-side temperature, the return-side temperature, and the battery voltage; calculates a fluid flux data from a flux detector(8); and determines the battery voltage.
Patent KR-960004817-B1 (KR)
Title: Filter connecting switch apparatus of tv receiver
Inventor: LEE SUNG-RO
IPC: H04N5/46
Filed: 1993-11-24
Granted: 1996-04-13
Abstract: The device is for connecting a filter used in special broadcasting method selectively. The device comprises: a buffer transistor which makes to input the compound image signal of NTSC/PAL method into the base node; a NTSC/PAL decision unit which outputs the decision signal of the first level if its method is NTSC method, outputs the decision signal of the second level if its method is PAL method; a first switching method which outputs the compound image signal into a comb filter(CF) when the NTSC/PAL decision unit outputs the decision signal of the first level; a second switching method which outputs the compound image signal into the image signal processing unit when the NTSC/PAL decision unit outputs the decision signal of the second level.
Patent KR-100275977-B1 (KR)
Inventor: HAMANAKA TATSUO
IPC: C08L23/02
Filed: 1993-11-26
Granted: 2000-12-15
Abstract: 폴리올레핀 수지 및 올레핀계 공중합체 고무로 구성된 열가소성 올레핀 탄성중합체 100 중량부, 및 불포화 카르복실산 (무수물) - 변성 폴리올레핀을 식 H 2 N-R-OH(식중, R은 탄소수 18 이하의 알킬렌, 아릴렌 또는 아랄킬렌기이다)의 아미노알콜과 반응시켜 수득한 변성 폴리올레핀 0.5~30 중량부를 함유하는 올레핀계 수지 조성물. 이러한 올레핀계 수지 조성물은 프라이머없이 코팅재로 충분히 코팅될 수 있으며 각종 수지 및 금형에 대해 열 가용성이 우수한 성형품을 제공할 수 있다.
Patent KR-960012420-B1 (KR)
Title: Toll exchanger
Inventor: HONG SUN-MI
IPC: H04Q1/453
Filed: 1993-11-30
Granted: 1996-09-20
Abstract: The method comprises the steps of; operating R2MFC(R2 Multi Frequency Compelled) mode for the purpose of relay signal controlling if possession requirement(101) will be generate, receiving a digit signal from the other switching point(103) using MFC signal method(102), performing telephone call using subscriber single relay switchboard to communicate directly with subscriber which is connected the others switching point after a collection of transmission number and level from the other switching point(109) and a cancellation of R2MFC mode(114), operating DTMC mode using guide broadcasting transmitter(117), collecting subscriber supplying information, cancelling an operation of DTMF mode(123) and a use of guide broadcasting transmitter, and controlling ouput toll signal for the other switching point(124) routing.
Patent KR-970001138-B1 (KR)
Inventor: KIMURA KAZUYA
IPC: F04B27/18
Filed: 1993-12-28
Granted: 1997-01-29
Abstract: 내용 없음.
Patent KR-100261988-B1 (KR)
Title: Implement and device for straightening, clamping, compressing and stretching the spine
Inventor: JEANSON JEAN-FRANCOIS
IPC: A61B17/88
Filed: 1992-12-08
Granted: 2000-07-15
Abstract: Improvements relating to straightening, clamping, compressing and stretching devices for use in the treatment of abnormal curvature of the spine. The improvements mainly concern: an adaptor (30) for rods (21) of a diameter (r) less than the width (L) of the groove (11) of a screw implant head (10); a clip (40) for rotatably locking a screw implant through tapered extremities (43, 44) located in the clip ends, inserted into the bottom of the groove (11); transversal grooves (112), formed at right angles to the longitudinal groove of the implant head, hooks, coupling rods and coupling plate staples; a rod connector; a lateral coupling staple; and instruments for positioning the prosthesis and making it integral.
Patent KR-100265093-B1 (KR)
Inventor: JOYNY DAVID M
IPC: G09B9/00
Filed: 1993-03-12
Granted: 2000-09-01
Abstract: 운송가능한 소방관 훈련 시스템(20)은 소화기(40) 등과 같은 소화제(38) 공급 장치를 이용하여 적절한 소방 절차를 피교육자에게 가르치는데 유용하며, A급, B급 또는 C급 화염(34)은 운송가능한 버너 어셈블리(22)와 버너 구조를 모의실험하는 교환가능한 실물 모형(90)을 이용하여 모의실험된다.
Patent RO-121082-B1 (RO)
Title: Pharmaceutical compositions coated with an enterosoluble coating layer
Inventor: ULLAH ISMAT
IPC: A61K31/22
Filed: 1998-08-06
Abstract: The invention relates to a pharmaceutical composition coated with an enterosoluble coating layer. The composition consists in that said enterosoluble coating layer comprises a methacrylic acid copolymer and a plasticizer and imparts protection to said core, so that said core is protected in a low pH environment of 3 or less, being capable of releasing the medicine at a pH of 4.5 or higher wherein the enterosoluble coating layer is obtained by raising the pH of the eneterosoluble coating layer suspension, with alkalizing agents, below the point where the enterosoluble integrity of methacrylic acid copolymer could be lost and wherein the composition does not contain a protective subcoating layer between the acid-labile drug in said core the acid enterosoluble coating layer.
Patent RO-119109-B1 (RO)
Title: Device for shoe string tying
Inventor: LEE HAE GON
IPC: A47G/
Filed: 1999-08-25
Abstract: The present invention relates to a device for shoe string tying, capable of easily tying and untying the shoe string, so that, the tied shoe string should not be untied easily. According to the invention, the device comprises a hollow cover body (10), made of an elastic material and a bottom plate (30) assembled with the cover body and bordering the interior hollow thereof. The hollow cover body (10) has at the lower side a pair of wing-shaped portions (12), each having an extended portion (14) horizontally developed, towards the interior of the cover body, and compressible by exerting an adequate pressure towards the interior, and at the upper side, a pair of auxilliary holes (16) and a shoe string cylindical support (18), mounted on an end of each of the extended portions (14). The extended portions (14) have, at oneend, a buffer-jaw (20) for preventing the wing-shaped portions (12) from being excessively compressed and a fixing hole (20) in the side wall thereof, respectively, for passing the shoe string from inside outwards. The bottom plate (30) has a pair of shoe string access holes (32), and a partition (34), projecting upwardly between the shoe string access holes (32) in such a way that the interior portion of the cover body (10) is divided into two hollow portions.
Patent RO-120386-B1 (RO)
Title: Pollen cleaning method and device for carrying out the same
Inventor: TOMEK JIRI
IPC: B07B4/08
Filed: 2003-07-02
Abstract: The invention relates to a method for cleaning the pollen used as starting material for medicament preparation and to a device for carrying out said method. According to the invention, the method consists in that the contaminated pollen (1) is sucked by an air flow, through an insulating sieve (2), the pure pollen particles (3) fall onto a filter (6) where they are retained while the impurities (5) adhere to the sieve (2), the amount of sucked contaminated pollen (1) and the air flow suction speed being controlled by a check valve (8) placed before the sieve (2). The claimed device for carrying out the method is arranged within a low pressure chamber (9) provided with a low pressure fan (10), while an outlet (11) of a suction unit (7) is directed towards the outside of the chamber under pressure (9), the sieve (2) being replaceably mounted on the inlet of a vertical suction filter (12) directed towards the filter (6) where the raw pollen (3) is retained, and the check valve (8) consists of a perforated plate tangent to the sieve (2), the perforations of the check valve (8) consisting of circular or oval holes of various diameters arranged as a circle or oval.
Patent RO-123634-B1 (RO)
Title: Garbage transfer station
Inventor: DĂRĂBAN IOAN
IPC: B65F9/00
Filed: 2007-02-27
Abstract: The invention relates to a garbage transfer station comprising: a unit (A) with channel-level conveyer belt (5) provided with a rubber mat and mounted in a special channel (6) made under the ground level, on which the garbage (1) discharged from the garbage trucks (2) onto a concreted platform (3) shall be pushed by a calfdozer (4); an automated garbage pressing container (P) comprising a metal body (12), a hydraulic equipment (H) driving the pressing head (11) and a unit (T) with sloped conveyer belt (7) intended to convey the garbage into the funnel (10) supplying the automated garbage pressing container (P), where the synchronized actuation of the motors of the channel-level conveyer belt (5), of the sloped conveyer belt (7) and of the hydraulic equipment (H) driving the hydraulic pressing head (11) of the automated pressing container (P) is achieved by means of an electronic control panel ( C) which is also provided with a display device which displays the operating parameters of the transfer station.
Patent RO-123065-B1 (RO)
Title: Sense indicator
Inventor: BACIU IULIAN
IPC: G01P13/04
Filed: 2008-10-30
Abstract: The invention relates to a sense indicator for identifying the sense of rotation of an electric motor. According to the invention, the sense indicator consists of a cup rotor (1) made of aluminium, at the surface having practiced a spiral-shaped slot (10) filled with paint, and being fastened, by means of an axle (2) on a U-shaped support (3), made of copper, the axle (2) having one of the extremities mounted inside a steel massive piece (4), soldered on the support (3) and which penetrates inside the rotor (1), the entire assembly thus made being fastened, by means of a screw (8), in a parallelepipedal tube (7), made of plastic, provided with a slot (9) for following the sense of rotation.
Patent RO-126482-B1 (RO)
Title: Installation for the synthesis of nanocrystalline materials
Inventor: CHIRIŢĂ MIHĂILĂ ION MARIUS
IPC: C30B35/00
Filed: 2009-10-07
Abstract: The invention relates to an installation and process for the synthesis of nanocrystalline materials by the hydrothermal method with multi-assisted multimodal immersible thermal source used for producing nanocrystalline oxide materials. The claimed installation comprises a body () consisting of a steel cylinder () lined with a teflon body () sealed with a gasket () and closed with a lower lid (), a steel cover () having a steel cylinder () attached thereto, said cylinder being covered with a teflon jacket (), said cover () being rigidly closed, at the lower part, and sealed, at the upper end, with a gasket () wherethrough there is introduced a heat source () wound on a ceramic support () which is immersed into a growing solution in the autoclave, through a teflon ring (), some probes () measuring the temperature in the autoclave, an overpressure relief valve () mounted on the cover, opening at 28 atm, two systems provided with the pressure taps () allowing the sampling and the insertion of various reaction precursors, a sonotrode () and a protection steel lid () lined with teflon protective material (). The claimed process consists in decomposing some precursors in the liquid synthesis medium and crystallizing the nanoparticles as follows: in two Berzelius beakers there are admixed separatedly two aqueous solutions consisting of precursor () with precursor () and precursor () with the precursor () up the complete dissolution, the two solutions are admixed and introduced into the autoclave at a filling degree of 80%, the mixture is heated until a process temperature of 200...280°C and a pressure of 23...28 bar are reached and said parameters are maintained constant for a predetermined period of time until the formation of the nucleation centres and the growth of nanocrystals to the desired dimension, afterwards the nanoparticles are filtered and washed with deionized water, dried and packaged.
Patent RO-127273-B1 (RO)
Title: Polyclonal antibodies anti-edem3
Inventor: GHENEA SIMONA
IPC: A61K38/47
Filed: 2010-10-18
Abstract: The invention relates to polyclonal antibodies anti-EDEM3 intended for the diagnosis of the stress state at the cellular level, with high specificity for EDEM3 in humans and mice, with low capacity of interaction with other proteins in the EDEM family.
Patent RO-130312-B1 (RO)
Title: Spherical knee prosthesis
Inventor: ORBAN HORIA BOGDAN
IPC: A61F2/38
Filed: 2015-02-23
Abstract: The invention relates to a cemented or non-cemented knee prosthesis, with the replacement of the cruciate ligaments, consisting of three components, i.e. femoral, tibial and patellar, whose articular surfaces are configured so that there is contact between the components which provide stability and a minimum stress upon load. According to the invention, the prosthesis consists of a femoral component (), a tibial component () and a patellar component (), the femoral component () being anchored at the distal part of the femur, the tibial component () being anchored at the proximal part of the tibia by means of a metallic component (), while the patellar component () is anchored at the posterior surface of the rotula, all the three components () representing calottes of spheres of equal radiuses equal of the tibial and patellar components (), the femoral component () having a smaller radius so that the contact between them, during the knee operation, is minimal, allowing the existence of a partitioning liquid film which significantly reduces the prosthesis friction and wear, which increases the implant reliability, whereto the supplementary stability given by the spherical shape of the components also contributes, which leads to preventing abnormal movements in the patello-femoral articulation and confers the possibility of an increased degree of flexion of the prosthetic knee, without sub-luxation risk, favouring a faster post-surgery recovery.