KR20050002845A - 발목 관절 내부 인공 삽입물 - Google Patents
발목 관절 내부 인공 삽입물 Download PDFInfo
- Publication number
- KR20050002845A KR20050002845A KR10-2004-7013969A KR20047013969A KR20050002845A KR 20050002845 A KR20050002845 A KR 20050002845A KR 20047013969 A KR20047013969 A KR 20047013969A KR 20050002845 A KR20050002845 A KR 20050002845A
- Authority
- KR
- South Korea
- Prior art keywords
- component
- slide surface
- internal prosthesis
- forming
- astragalus
- Prior art date
Links
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
- A61F2/4202—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for ankles
-
- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
-
- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30138—Convex polygonal shapes
- A61F2002/30153—Convex polygonal shapes rectangular
-
- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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-
- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2002/30392—Rotation
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- A—HUMAN NECESSITIES
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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30383—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove
- A61F2002/3039—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove with possibility of relative movement of the rib within the groove
- A61F2002/30392—Rotation
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-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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- A61F2002/3039—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove with possibility of relative movement of the rib within the groove
- A61F2002/30398—Sliding
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
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- A—HUMAN NECESSITIES
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
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Abstract
본 발명은 발목 관절을 대체하는 내부 인공 삽입물에 관한 것이다. 상기 내부 인공 삽입물은 복사뼈에 연결되며 상부 활주면(10)을 형성하는 부품(4)과, 경골에 연결되며 하부 활주면(7)을 형성하는 부품(3)과, 경골 부품(3)과 복사뼈 부품(4)의 활주면(7, 10)과 상호 작용하는 2개의 활주면(15, 16)을 형성하는 중간 부품(5)을 포함한다. 전방 단면에서 볼 때, 중간 부품(5)은 1°내지 12 °사이의 웨지 각을 갖는 웨지 형상이다.
Description
발목 관절을 대체하기 위해, 복사뼈에 연결될 부품과, 경골에 연결될 부품과, 중간 부품을 포함하는 내부 인공 삽입물이 공지되어 있다.[함부르크 소재의 발데마르 링크(게엠베하 운트 코.)의 제목이 "LINK S.T.A.R. 전체 발목 관절 내부 인공 삽입물"인 브로셔(에이치. 코푀트(H. Kofoed)) 참조] 복사뼈 부품과 중간 부품은 시상 봉합면에서의 굴곡과 신장을 허용하는 활주면을 경유하여 상호 작용한다. 경골 부품과 중간 부품은 수직축을 중심으로 한 회전을 허용하는 상호 작용 활주면을 형성한다. 이들은 AP 방향과 LM 방향으로의 보상 이동을 허용하도록 평평하게 만들어질 수 있다. 자연 인대 기관에 의해 안정화될 수 있다.
공지된 인공 삽입물에서, 중간 부품의 상부 활주면 및 하부 활주면은 전방면에서 서로 평행하게 배향된다. 이는 방향의 어떠한 관련된 변화없이 복사뼈의 자연 활주면과 경골의 자연 활주면을 인공 삽입물 활주면으로 대체하는 목적인 한 필연적이다. 그러나, 수술 후 발목의 측부 인대 및 내측 인대가 종종 불편함을 야기할 수 있는 상이한 인장을 갖는다는 것이 발견되었다.
도1은 인공 삽입물이 끼워진 관절의 시상 봉합 단면도이다.
도2는 완전히 개방된 인공 삽입물의 사시도이다.
도3은 중간 부품의 전방 단면도이다.
도4는 중간 부품의 삽입 전, 뼈와 연관 인공 삽입물 부분의 배열의 사시도이다.
본 발명은 전방면이 웨지 형상인 중간 부품이 제공됨으로써 이러한 불균형을 피할 수 있게 한다. 전방면에서 활주면의 방향축은 서로 평행하게 연장되지 않지만 보통 1°내지 12°사이의 각으로 연장된다. 발견된 해부학적 조건에 따라, 의사는 각도가 있다면 관절축들 사이에 제공하기를 원하는 각도를 적절한 중간 부품을 선택함으로써 결정할 수 있다. 이는 수술중에도 행해질 수 있다.
중간 부품이 웨지 형상에 대해 정확히 배향되어 있는 것을 보장하도록, 그 배향은 상호 작용 활주면 쌍이 그 방향을 한정하는 방식으로 설계됨으로써, 복사뼈 또는 경골에 의해 적절히 고정된다. 복사뼈와 중간 부품 사이의 관절은 이를 위해 특히 적절하다.
본 발명은 예시적인 바람직한 실시예를 도시하는 도면을 참조하여 이하에서 더욱 상세히 설명된다.
인공 삽입물은 경골 부품(3), 복사뼈 부품(4), 및 경골(1)과 복사뼈(2) 사이에 배열될 중간 부품(5)을 포함한다. 경골 부품(3)은 바닥측(7)이 평평한 활주면을 형성하는 판형 부분(6)을 갖는다. 돌기(8)는 경골(1) 내의 절제된 대응 공동(9) 내에 고정되는 역할을 한다.
복사뼈 부품(4)은 원통형 또는 원추형 설계일 수 있는 볼록하게 만곡된 활주면(10)을 형성한다. 복사뼈 부품은 굴곡 및 신장 이동 시 중간 부품의 상대 이동 방향에 놓이는 리브(11)를 갖는다. 복사뼈 부품은 또한 경골(1)의 대응 활주면 및 비골(13)의 대응 활주면과 상호 작용하기 위한 횡방향 면(12)도 갖는다.
중간 부품(5)은 활주면(7)과 정합하는 평평한 상부(15)와, 복사뼈 부품(4)의 활주면(10)과 합동이 되도록 설계된 하부 활주면(16)을 갖는다. 중간 부품은 리브(11)를 수용하기 위한 홈(17)을 갖는다. 이러한 방식으로, 중간 부품(5)은 복사뼈 부품(4)에 대해 횡방향으로 안내된다. 굴곡 및 신장 이동만이 허용된다.
부품(3, 4)은 금속으로 적절히 제조되고, 중간 부품(5)은 우수한 활주 특성을 갖는 폴리에틸렌 등의 플라스틱으로 제조된다. 그러나, 충분한 강도 및 활주 능력을 갖는 예컨대 세라믹 등의 다른 재료가 사용될 수 있다.
합동인 형상의 활주면(10, 16) 및 홈(17)과 상호 작용하는 리브(11)의 결과로서, 중간 부품(5)은 수직축을 중심으로 발목 관절 부품(4)에 대해 회전 가능하지 않다. 따라서, 중간 부품의 배향은 복사뼈 부품의 배향에 의해 고정된다. 도시된 실시예가 이러한 회전 이동을 완전히 배제하더라도, 활주면의 설계에 의해서만, 예컨대 활주면을 타원 형상으로 함으로써 억제되는 실시예도 가능하다.
도3에 따른 전방 단면도에서, 중간 부품은 웨지 형상의 설계이다. 중간 부품의 상부 활주면(15)은 하부 활주면(16)의 방향에 대해 바람직하게는 1°내지 12°사이인 웨지 각(18)을 둘러싼다. 대부분의 경우 웨지 각은 3°내지 8°사이이다.
도4에 도시된 바와 같이, 수술의가 경골 부품(3)과 복사뼈 부품(4)을 이식하자마자, 측부 인대가 인장될 때 활주면(7, 10)이 평행하게 또는 LM 방향으로 서로에 대해 각도를 가지고 연장되는지 판단하도록 적절한 기구를 사용할 수 있다. 수술의는 이를 기초로 하여 적절한 중간 부품(5)을 선택한다.
Claims (5)
- 발목 관절을 대체하는 내부 인공 삽입물이며,복사뼈(2)에 연결되며 상부 활주면(10)을 형성하는 부품(4)과,경골(1)에 연결되며 하부 활주면(7)을 형성하는 부품(3)과,전방 방향이 고정되는 방식으로 상기 부품들의 활주면(7, 10)과 상호 작용하는 2개의 활주면(15, 16)을 형성하는 중간 부품(5)을 포함하며,상기 중간 부품(5)은 전방면이 웨지 형상인 내부 인공 삽입물.
- 제1항에 있어서, 복사뼈 부품(4)과 중간 부품(5) 상의 상호 작용 활주면(10, 16)은 수직축에 대해 사실상 회전 가능하지 않게 상호 작용하는 내부 인공 삽입물.
- 제1항에 있어서, 경골 부품(4)과 중간 부품(5) 상의 상호 작용 활주면(7, 15)은 수직축에 대해 회전 가능하게 상호 작용하는 내부 인공 삽입물.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 웨지 각(18)은 1°내지 12°사이인 내부 인공 삽입물.
- 발목 관절을 대체하는 내부 인공 삽입물 시스템이며,상기 내부 인공 삽입물은,복사뼈(2)에 연결되며 상부 활주면(10)을 형성하는 부품(4)과,경골(1)에 연결되며 하부 활주면(7)을 형성하는 부품(3)과,전방 방향이 고정되는 방식으로 상기 부품들의 활주면과 상호 작용하는 2개의 활주면(15, 16)을 형성하는 중간 부품(5)을 포함하며,전방 부분에, 상부 활주면(15)과 하부 활주면(16) 사이에 상이한 웨지 각을 갖는 상이한 중간 부품이 제공된 내부 인공 삽입물 시스템.
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2002
- 2002-03-08 WO PCT/EP2002/002573 patent/WO2003075802A1/de active IP Right Grant
- 2002-03-08 ES ES02732467T patent/ES2278028T3/es not_active Expired - Lifetime
- 2002-03-08 MX MXPA04008723A patent/MXPA04008723A/es active IP Right Grant
- 2002-03-08 DE DE50209198T patent/DE50209198D1/de not_active Expired - Lifetime
- 2002-03-08 KR KR1020047013969A patent/KR100764974B1/ko not_active IP Right Cessation
- 2002-03-08 EP EP02732467A patent/EP1482874B1/de not_active Expired - Lifetime
- 2002-03-08 BR BR0215631-8A patent/BR0215631A/pt active Search and Examination
- 2002-03-08 DK DK02732467T patent/DK1482874T3/da active
- 2002-03-08 AT AT02732467T patent/ATE349981T1/de active
- 2002-03-08 AU AU2002304840A patent/AU2002304840B2/en not_active Ceased
- 2002-03-08 CN CNB02828481XA patent/CN1321621C/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
CN1321621C (zh) | 2007-06-20 |
US6852130B2 (en) | 2005-02-08 |
WO2003075802A1 (de) | 2003-09-18 |
DE50209198D1 (de) | 2007-02-15 |
MXPA04008723A (es) | 2005-06-08 |
JP4202268B2 (ja) | 2008-12-24 |
AU2002304840A1 (en) | 2003-09-22 |
EP1482874A1 (de) | 2004-12-08 |
EP1482874B1 (de) | 2007-01-03 |
AU2002304840B2 (en) | 2008-05-08 |
ATE349981T1 (de) | 2007-01-15 |
US20030181985A1 (en) | 2003-09-25 |
ES2278028T3 (es) | 2007-08-01 |
BR0215631A (pt) | 2004-12-21 |
KR100764974B1 (ko) | 2007-10-08 |
JP2006503601A (ja) | 2006-02-02 |
CN1622791A (zh) | 2005-06-01 |
DK1482874T3 (da) | 2007-04-02 |
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