[특허]Prosthetic knee

[미국특허] Prosthetic knee 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-002/64 A61F-002/68 A61F-002/60 A61F-002/80 A61F-002/50 A61F-002/66
출원번호	US-0857404 (2013-04-05)
등록번호	US-9149371 (2015-10-06)
발명자 / 주소	Karlsson, Sigurdur Gisli Hannesson, Sigurdur Olafsson, Sigurdur
출원인 / 주소	OSSUR HF
대리인 / 주소	Workman Nydegger
인용정보	피인용 횟수 : 1 인용 특허 : 42

초록 ▼

A prosthetic knee for active users has a locking head generally parallel to a vertical axis of the prosthetic knee, a chassis, and a plurality of links connecting the locking head to the chassis. The knee includes a swing control mechanism having a flexion stop connected to the chassis and arranged to control the flexion angle of the knee. The flexion stop extends outwardly from the chassis and obliquely relative to the vertical axis. The knee has an audible feedback mechanism for providing the user with information about the location of the knee. The knee may also have a block lock forming a manually activated mechanism allowing load bearing in a flexed position.

대표청구항 ▼

1. A prosthetic knee, comprising: a locking head generally aligned parallel to a vertical axis when the prosthetic knee is in at least an extension configuration;a chassis;a plurality of links pivotally connecting the locking head to the chassis;a flexion stop connected to the chassis and extending outwardly from the chassis and obliquely relative to the vertical axis;wherein the chassis defines a mounting surface extending obliquely relative to the vertical axis;further comprising a mounting plate movably secured to the mounting surface by at least one fastener. 2. The prosthetic knee of claim 1, wherein the flexion stop extends obliquely relative to the vertical axis at least by 90 degrees. 3. The prosthetic knee of claim 1, further comprising a bracket adjustably secured to the chassis, the flexion stop mounted to the bracket. 4. The prosthetic knee of claim 3, wherein the bracket defines at least one arcuate slot, and is adjustable relative to the chassis by the arcuate slot, the prosthetic knee further comprising a fastener arranged to maintain the bracket at a fixed angle relative to the chassis. 5. The prosthetic knee of claim 3, wherein the bracket is adjustable to the vertical axis generally within the range of 0-30 degrees. 6. The prosthetic knee of claim 1, wherein the mounting surface is flat. 7. The prosthetic knee of claim 6, wherein the mounting surface extends relative to the vertical axis generally within the range of 10 to 35 degrees. 8. The prosthetic knee of claim 1, further comprising a block lock mechanism including a spring loaded tab block preventing movement of a rear link belonging to the plurality of links when it is engaged therewith in flexion position, the tab block arranged to be pulled by the spring as the knee enters into extension and remain retracted so as to disengage from the rear link. 9. The prosthetic knee of claim 1, further comprising a housing and an eccentric friction brake, the eccentric friction brake including a friction shaft having an eccentric profile rotating in the housing as the knee rotates at an upper pivot point, a friction pad presses against the friction shaft, and is controlled by a spring element connected to the friction pad. 10. The prosthetic knee of claim 9, wherein as the friction shaft rotates, eccentricity of the friction shaft is arranged to change position relative to the other parts of the friction brake and compresses the spring element to thereby increase a friction force on the friction shaft, and slow down rotation of the knee just before full extension is reached, without changing the rest of the swing phase of the knee. 11. The prosthetic knee of claim 1, further comprising an audio feedback mechanism attached to a pivot axis of the prosthetic knee, and arranged to provide an audible sound as the knee rotates. 12. A prosthetic knee kit, comprising: a prosthetic knee including a locking head generally parallel to a vertical axis when the prosthetic knee is in at least an extension configuration, and a plurality of links connecting the locking head to a chassis;a plurality of flexion stops arranged to be connected to the chassis and extending outwardly from the chassis and obliquely relative to the vertical axis, each of said flexion stops arranged to be connected to the chassis at a plurality of different angles relative to the vertical axis. 13. The prosthetic knee of claim 12, wherein each of the plurality of flexion stops is an elongate spring. 14. A prosthetic knee, comprising: a housing;a chassis;at least one link pivotally connecting the housing to the chassis;an extension lock having a first arm pivotally connected to the housing and arranged to engage a notch formed on the at least one link;wherein the extension lock defines the first arm and a second arm secured to one another by a handle bar, the at least one link comprises first and second links located on opposed sides of the housing, the first and second arms engage the first and second links, respectively. 15. The prosthetic knee of claim 14, further comprising a spring arrangement biasing the extension lock into an engaged or disengaged configuration with the notch. 16. A prosthetic knee, comprising: a locking head generally aligned parallel to a vertical axis when the prosthetic knee is in at least an extension configuration;a chassis;a plurality of links pivotally connecting the locking head to the chassis;a flexion stop connected to the chassis and extending outwardly from the chassis and obliquely relative to the vertical axis;wherein the flexion stop is an elongate spring having a compound curve.

이 특허에 인용된 특허 (42) 인용/피인용 타임라인 분석

May Denis R. W. (London GB2), Adjustable friction joint for an artificial knee.
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Haupt Werner (Duderstradt-Tiftlingerode DEX), Arrestable knee joint.
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Chen,Chien Yu, Artificial joint.
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Harn,Chuen Sen; Zhen,Rueng Jie, Artificial joint.
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Harn,Chuen Sen; Zhen,Rueng Jie, Artificial joint.
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Harn,Chuen Sen; Zhen,Rueng Jie, Artificial joint.
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Gramnas Finn,SEX, Artificial joint with a hydraulic damping cylinder.
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Chen Sen-Jung,TWX, Artificial knee joint.
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Chen,Chien Liang; Chen,Chien Chuan; Chen,I Chun, Artificial knee joint.
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Cheng, Chia-Pao, Artificial knee joint.
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Chen, Sen-Jung, Artificial knee joint assembly capable of maintaining a knee angle between a lower leg and a thigh when the assembly stands on a horizontal or inclined surface.
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Chen,Sen Jung, Artificial knee joint having a minimum knee angle.
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Marlow Richard Z. (Richmond GB2) May Denis R. W. (Esher GB2), Artificial knee with improved stable link-type knee joint.
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Gramns Finn (Brantalid 18 511 56 Kinna SEX), Artificial toggle joint.
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B？dard,St？phane, Control system and method for controlling an actuated prosthesis.
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Oddsson, Magnus; Jonsson, Vilhjalmur Freyr; Lecomte, Christophe Guy, Energy returning prosthetic joint.
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Roberts Roy Daniel (San Jose CA), Full extension lock for prosthetic knee joint.
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Krieger Wilfried,DEX, Hinge joint in orthopaedic prostheses and ortheses.
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Slemker, Tracy C., Knee cosmesis.
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Sawatzki Steffen,DEX, Knee joint.
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Boiten,Herman, Knee joint for prosthesis.
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Boiten,Herman, Knee joint for prosthesis.
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Muehlenberend,Andreas, Knee joint for prosthesis.
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Kramer Steven ; Srinivasan Sujatha ; Swanson Verner, Knee joint mechanism for knee disarticulation prosthesis.
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Sawatzki Steffen,DEX ; Wagner Helmut,DEX, Knee joint prosthesis.
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Suzuki, Mitsuhisa, Knee joint structure of artificial limb.
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Moore Robert R. (5401 San Leandro St. Oakland CA 94601), Locking prosthetic knee.
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Greene Ted J., Multi-purpose prosthetic knee component.
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Mori, Yasushi, Negative pressure booster.
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Albrecht-Laatsch, Erik; Carstens, Ralf, Orthopedic device.
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Pansiera, Timothy Thomas, Pin stop for mechanical joints.
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Muhlenberend, Andreas, Prosthesis.
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Wild,Grant E., Prosthetic knee and rotary hydraulic chamber.
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Weber T. Jerome (Mountain View CA) Roberts Roy D. (San Jose CA), Prosthetic knee apparatus.
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Chen, Sen Jung, Prosthetic knee joint.
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Reinhardt, Holger, Prosthetic knee joint.
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Wilkes Donald F. (Albuquerque NM), Prosthetic knee joint.
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Okuda Masahiko,JPX ; Tanaka Kotaro,JPX ; Morimoto Kiyoshi,JPX ; Furuichi Yasukazu,JPX ; Shiraishi Norio,JPX, Prosthetic leg with extension auxiliary mechanism.
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Cheng, Chia Pao, Rotating pneumatic knee joint structure.
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Gramnas Finn,SEX, Rotation damper in a toggle joint prosthesis.
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Shen, Hsin Fa, Tetraxial-link artificial limb joint.
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Hogan Thomas, Vaccine pack.
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이 특허를 인용한 특허 (1) 인용/피인용 타임라인 분석

Karlsson, Sigurdur Gisli; Hannesson, Sigurdur; Olafsson, Sigurdur, Prosthetic knee.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Prosthetic knee 원문보기

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