KR950010859A - 인공삽입물 또는 복원된 관절용 관절기구를 지지하는 고정요소 - Google Patents

인공삽입물 또는 복원된 관절용 관절기구를 지지하는 고정요소 Download PDF

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Publication number
KR950010859A
KR950010859A KR1019930022219A KR930022219A KR950010859A KR 950010859 A KR950010859 A KR 950010859A KR 1019930022219 A KR1019930022219 A KR 1019930022219A KR 930022219 A KR930022219 A KR 930022219A KR 950010859 A KR950010859 A KR 950010859A
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South Korea
Prior art keywords
fastening element
opening
fastening
prosthesis
element according
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KR1019930022219A
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English (en)
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KR960015437B1 (ko
Inventor
브레네마르크 페르-잉바르
Original Assignee
브레네마르크 페르-잉바르
메데벨롭 악티에 볼락
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Publication of KR950010859A publication Critical patent/KR950010859A/ko
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Publication of KR960015437B1 publication Critical patent/KR960015437B1/ko

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Classifications

    • 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
    • A61F2/30721—Accessories
    • A61F2/30749—Fixation appliances for connecting prostheses to the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8625—Shanks, i.e. parts contacting bone tissue
    • 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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    • 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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    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/686—Plugs, i.e. elements forming interface between bone hole and implant or fastener, e.g. screw
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    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
    • A—HUMAN NECESSITIES
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    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
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    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
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    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30593—Special structural features of bone or joint prostheses not otherwise provided for hollow
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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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    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30594—Special structural features of bone or joint prostheses not otherwise provided for slotted, e.g. radial or meridian slot ending in a polar aperture, non-polar slots, horizontal or arcuate slots
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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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    • 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
    • A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Transplantation (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Molecular Biology (AREA)
  • Neurology (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Prostheses (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Surgical Instruments (AREA)
  • Electroluminescent Light Sources (AREA)
  • Cable Accessories (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
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Abstract

인공삽입물 또는 그 일부를 지지하기 위한 고정요소(1), 상기고정요소(1)는 실체적으로 회전 대칭형이며 외측 나사산(20)파 중앙 개구(2)가 제공된다. 적어도 하나의 절개부(3, 4, 5, 6)가 상기 고정요소(1)의 세로축 둘레에 나선형태로 배치되며 적어도 상기 요소의 외벽의 주요부(11, 12)에 걸쳐서 연장된다. 상기 주요부에는 외측 나사산이 제공되며 상기 절개부(3, 4, 5, 6)의 부동일성(不同一性)은 상기 외측 나사산의 부동일성과 동일하다.

Description

인공삽입물 또는 복원된 관절용 관절기구를 지지하는 고정요소
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 고정요소의 사시도,
제2도는 제1도에 도시된 고정요소의 내측 단부를 항한 방향에서의 정면도,
제3도는 제1도에 도시된 고정요소의 외측 단부를 향한 방향에서의 정면도,
제4도는 제1도에 도시된 고정요소의 상이한 단면을 도시하는 상기 요소의 회전축에 수직인 Ａ 내지 Ｈ부에서의 단면의 개략도.

Claims (22)

  1. 외측 주요부상에 외부 나사산이 제공되며 외측 단부부가 인공삽입물 또는 그 부분에 연결되기위해 배열되며, 하나 이상의 절삭날을 갖는 절개부가 내측 단부로 부터 외측 단부방향으로 연장되며, 반대편 내측 단부부에 의해 골조직내에 삽입 및 고정되는 인공삽입물 또는 그 부분을 지지하기 위한 회전 대칭형태의 고정요소에 있어서, 상기 주요부에 외부 나사산이 제공되며 상기 절개부의 부동일성(不同一性)이 상기 외부 나사산의 부동일성과 동일한 동시에, 상기 고정요소에 중앙 관통공이 제공되므로써 상기 절개부가 상기 고정요소의 세로축 둘레에 나선 형태로 배치되며 상기 요소의 외벽의 주요부에 걸쳐 연장되는 것을 특징으로 하는 고정요소.
  2. 제1항에 있어서, 상기 고정요소의 벽 두께가 상기 내측 단부애 인접한 부분에 있어서 상기 내측 단부를 향하는 방향으로 점진적으로 감소하는 것을 특징으로 하는 고정요소.
  3. 제1항에 있어서, 연결요소가 상기 절개부의 벽들 사이에 배치되고 절개부를 따라서 상기 절개부의 폐단부로부터 연장되며, 상기 연결요소가 하나 이상의 관통공에 의해 관통되는 동시에 상기 연결요소의 내측벽의 상기 중앙개구에 의해 범위가 정해이며 상기 열결요소의 두께가 상기 연결요소로부터 방사상으로 연장된 상기 요소의 부분의 벽두께보다 작은것을 특징으로하는 고정요소.
  4. 제1항에 있어서, 상기 절개부의 측벽들이 서로에 대하여 면-평행이며, 상기 연결요소를 관통하는 개구 또는 개구들이 원형이며, 상기 개구 의 직경이 상기 절개부의 폭과 근사한 것을 특징으로하는 고정요소.
  5. 제4항에 있어서, 상기 개구가 타원형 또는 다른 적절한 형태를 취하는 것을 특징으로하는 고정요소.
  6. 제1항에 있어서, 상기 고정요소의 중앙 개구가 상기 요소의 내측 단부 방향에서 확장되는 것을 특징으로하는 고정요소.
  7. 제6항에 있어서, 상기 확장이 원추형으로 이루어지는 것을 특징으로 하는 고정요소.
  8. 제6항에 있어서, 상기 고정요소가 상기 요소의 내측 단부 방향에서 확장되는 부분내의 나선형 절개부들 사이에는 연결부를 포함하지 않는 것을 특징으로 하는 고정요소.
  9. 제1항 내지 제7항중 어느 한 항에 있어서, 상기 고정요소의 내측 단부가 교차된 환형 모서리의 형태를 취하며, 그 반경이 상기 외부 나사산의 내경에 대응하는 것을 특징으로 하는 고정요소.
  10. 제1항 내지 제7항중 어느 한 항에 있어서, 다수의 나선 절개부가 배치되는 것을 특징으로 하는 고정요소.
  11. 제1항 내지 제7항중 어느 한 항에 있어서, 각쌍의 절개부의 절개부가 상기 중앙 개구축에 대하여 서로에 대향하여 배치되며 상호 인접하여 위치된 모든 절개부들이 상기축에 수직한 교차면에서 동일거리에 배치되는 동시에, 상기 나선형 절개부의 수가 2 또는 3 또는 2의 배수인 것을 특징으로 하는 고정요소.
  12. 제11항에 있어서, 절개부가 제공된 상기 고정요소의 상기 부분내의 절개부에 의해 점유된 지역이 15 내지 50%인 것을 특징으로 하는 고정요소.
  13. 제1항 내지 제7항중 어느 한 항에 있어서, 상기 내측 단부에 접하는 상기 외벽부에는 나사산이 없음을 특징으로 하는 고정요소.
  14. 제1항 내지 제7항중 어느 한 항에 있어서, 상기 고정요소의 내측 단부부가 방사상으로 탄력이 있음을 특징으로 하는 고정요소.
  15. 제1항 내지 제7항중 어느 한 항에 있어서, 인공삽입물 또는 인공삽입물의 부분용의 고착수단이 상기 고정요소의 외측 단부부의 중앙 개구내에 배열된 내측 나사산을 포함하는 것을 특징으로 하는 고정요소
  16. 제1항내지 제7항중 어느 한 항에 있어서, 상기 고정요소가 그 외측 단부부내에 개구를 가지며, 상기 개구가 신경 또는 이송수단 또는 그와 유사한 것의 통로를 제공하기 위하여 상기 중심축에 대하여 25 내지 65°의 각도 β로 경사진 것을 특징으로 하는 고정요소.
  17. 제1항 내지 제7항중 어느 한 항에 있어서, 외측 나사산들의 간격과 각 나선형 홈의 간격의 비가 20: 1 내지 500:1 또는 100:1에 근사한 값을 갖는 것을 특징으로 하는 고정요소.
  18. 제1항 내지 제7항중 어느 한 항에 있어서, 일부분 이상이 체내 이식시에 조직과 접촉하는 상기 고정요소가 티타늄 또는 다른 조직-친화 물질이며, 그에따라 이식시 조직 접촉부를 갖는 상기 요소의 표면의 일부에 관해서는 상기 10 내지 1000nm, 또는 10 내지 300nm 직경의 함요(陷凹)로 미세함요된 표면을 가짐을 특징으로 하는 고정요소.
  19. 골조직 내에서 인공 삽입물 또는 인공삽입물의 일부를 지지하기 위한 전술한 항들중 어느 한 항에 따른 고정요소의 용도.
  20. 고정요소가 중공 중앙 개구를 가지며 상기 고정요소에 외측 나사산과 자체 나사 절삭수단이 제공되는 동시에, 골조직 내에 인공삽입물 또는 인공삽입물의 부분용의 고정요소를 고정하는 방법에 있어서, 상기 방법이 개구의 직경이 상기 고정요소의 외측 나사산의 내경의 근사치에 대응하며 상기 개구가 상기 고정요소의 삽입깊이에 맞는 길이를 갖는 동시에, 골조직 내에 개구를 만드는 단계, 골(骨) 물질을 삭마(削磨)에 의해 제거하는 한편 자체 나사 절삭회전에 의해 상기 고정요소를 상기 개구내에 삽입함으로써 골물질내에 상기 고정요소의 외부 나사산에 대응하는 나사산을 형성하고, 그에따라서 상기 제거된 골물질이 상기 고정요소의 외벽에 제공된 하나 또는 다수의 홈에 수납되며 상기 홈내에서 상기 고정요소의 외측 단부부 방향으로 이송되며, 상기 고정요소의 외측 나사산과 상기 골조직내에 절삭된 나사산의 공조에 의하여 상기 고정요소를 골(骨)내에 고정하는 단계, 고착이상기 고정요소의 이식과 직접 관련하여 또는 그 잠시후에 수행되는 동시에, 상기 고정요소의 외측 단부에 인공삽입물 또는 인공삽입물의 부분을 고착시키는 단계를 포함하는 것을 특징으로 하는 방법.
  21. 제20항에 있어서, 상기 고정요소가 상기 중앙 개구를 통과하는 안내요소에 의해 골조직내에 만들어진 개구내로 삽입되는 것을 특징으로 하는 방법.
  22. 제20항에 있어서, 상기 고정요소 이식용 개구가 제공된 골조직 지역에 상기 고정 요소의 중앙 개구를 통하여 치료과정에 의한 일체화 촉진제, 살균제, 골수등의 약리학적 작용제를 이식후 공급하는 단계를 추가로 포함하는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930022219A 1992-10-29 1993-10-25 인공삽입물 또는 복원된 관절용 관절기구를 지지하는 고정요소 KR960015437B1 (ko)

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SE9203181-4 1992-10-29
SE9203181A SE510158C2 (sv) 1992-10-29 1992-10-29 Förankringselement för uppbärande av proteser samt användning av sådant förankringselement för fixering av proteser

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