RU2011116645A - Искусственный фасеточный сустав - Google Patents

Искусственный фасеточный сустав Download PDF

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Publication number
RU2011116645A
RU2011116645A RU2011116645/14A RU2011116645A RU2011116645A RU 2011116645 A RU2011116645 A RU 2011116645A RU 2011116645/14 A RU2011116645/14 A RU 2011116645/14A RU 2011116645 A RU2011116645 A RU 2011116645A RU 2011116645 A RU2011116645 A RU 2011116645A
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RU
Russia
Prior art keywords
facet
segment
joint
segments
clutch
Prior art date
Application number
RU2011116645/14A
Other languages
English (en)
Inventor
Стефан Дж. ДУПЛЕССИС
Джон ХЁРЛБЕРТ
Лали СЕХОН
Original Assignee
Кинетик Спайн Текнолоджис Инк.
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Application filed by Кинетик Спайн Текнолоджис Инк. filed Critical Кинетик Спайн Текнолоджис Инк.
Publication of RU2011116645A publication Critical patent/RU2011116645A/ru

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    • A61F2/00Filters 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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    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
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    • A61FFILTERS 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
    • A61F2310/00Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005The prosthesis being constructed from a particular material
    • A61F2310/00011Metals or alloys
    • A61F2310/00023Titanium or titanium-based alloys, e.g. Ti-Ni alloys
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2310/00Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005The prosthesis being constructed from a particular material
    • A61F2310/00011Metals or alloys
    • A61F2310/00029Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2310/00Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005The prosthesis being constructed from a particular material
    • A61F2310/00179Ceramics or ceramic-like structures
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2310/00Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005The prosthesis being constructed from a particular material
    • A61F2310/00179Ceramics or ceramic-like structures
    • A61F2310/00185Ceramics or ceramic-like structures based on metal oxides

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  • Orthopedic Medicine & Surgery (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
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  • Veterinary Medicine (AREA)
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  • Heart & Thoracic Surgery (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
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Abstract

1. Система искусственного фасеточного сустава, включающая:- верхний фасеточный сегмент, предназначенный для сцепления с нижним отростком первого позвонка;- нижний фасеточный сегмент, предназначенный для сцепления с верхним отростком второго позвонка;- при этом первый и второй позвонки являются смежными друг с другом в позвоночном столбе;- верхний фасеточный сегмент, имеющий, по меньшей мере, одну первую поверхность сочленения, нижний фасеточный сегмент, имеющий, по меньшей мере, одну вторую поверхность сочленения, при этом при использовании искусственного сустава каждая из первых поверхностей сочленения приходит в сочленение с каждой из вторых поверхностей сочленения;- первый элемент сцепления, расположенный на верхнем фасеточном сегменте, предназначенный для соединения со вторым элементом сцепления, расположенным на нижнем фасеточном сегменте, при этом при использовании первый и второй элементы сцепления предотвращают разъединение верхнего и нижнего фасеточных элементов.2. Система по п.1, отличающаяся тем, что верхний и нижний фасеточные сегменты снабжены соответствующим множеством поверхностей сочленения.3. Система по п.1, отличающаяся тем, что первый и второй элементы сцепления взаимодействуют таким образом, что допускают движение между первым и вторым фасеточными сегментами, по меньшей мере, в одной плоскости.4. Система по п.1, отличающаяся тем, что первый и второй элементы сцепления взаимодействуют таким образом, что допускают между первым и вторым фасеточными сегментами движение, по меньшей мере, одного из следующих типов: сгибание, разгибание или вращение, либо любое их сочетание.5. Система по п.1, о�

Claims (13)

1. Система искусственного фасеточного сустава, включающая:
- верхний фасеточный сегмент, предназначенный для сцепления с нижним отростком первого позвонка;
- нижний фасеточный сегмент, предназначенный для сцепления с верхним отростком второго позвонка;
- при этом первый и второй позвонки являются смежными друг с другом в позвоночном столбе;
- верхний фасеточный сегмент, имеющий, по меньшей мере, одну первую поверхность сочленения, нижний фасеточный сегмент, имеющий, по меньшей мере, одну вторую поверхность сочленения, при этом при использовании искусственного сустава каждая из первых поверхностей сочленения приходит в сочленение с каждой из вторых поверхностей сочленения;
- первый элемент сцепления, расположенный на верхнем фасеточном сегменте, предназначенный для соединения со вторым элементом сцепления, расположенным на нижнем фасеточном сегменте, при этом при использовании первый и второй элементы сцепления предотвращают разъединение верхнего и нижнего фасеточных элементов.
2. Система по п.1, отличающаяся тем, что верхний и нижний фасеточные сегменты снабжены соответствующим множеством поверхностей сочленения.
3. Система по п.1, отличающаяся тем, что первый и второй элементы сцепления взаимодействуют таким образом, что допускают движение между первым и вторым фасеточными сегментами, по меньшей мере, в одной плоскости.
4. Система по п.1, отличающаяся тем, что первый и второй элементы сцепления взаимодействуют таким образом, что допускают между первым и вторым фасеточными сегментами движение, по меньшей мере, одного из следующих типов: сгибание, разгибание или вращение, либо любое их сочетание.
5. Система по п.1, отличающаяся тем, что первый и второй элементы сцепления взаимодействуют таким образом, что ограничивают указанные движения до заранее определенной степени.
6. Система по любому из пп.1-4, отличающаяся тем, что один из первого и второго элементов сцепления снабжен шпунтом, а другой - пазом для размещения указанного шпунта.
7. Система по п.6, отличающаяся тем, что шпунт снабжен расширенным периферическим концом, а паз выполнен в форме соответствующей шпунту с тем, чтобы полностью вмещать его и таким образом, что после размещения шпунта в пазе разъединение сегментов невозможно.
8. Система по п.1, отличающаяся тем, что одна из первой и второй поверхностей сочленения выполнена выпуклой, а вторая - вогнутой и приспособлена для вмещения указанной выпуклой поверхности.
9. Система по п.1, отличающаяся тем, что, по меньшей мере, один из верхнего и нижнего фасеточных сегментов снабжен средствами крепления указанного сегмента к прилегающей костной структуре.
10. Система по п.1, отличающаяся тем, что она дополнительно включает распорочный элемент, предназначенный для размещения между верхним и нижним фасеточными сегментами.
11. Система по п.10, отличающаяся тем, что распорочный элемент включает верхнюю поверхность, взаимодействующую с первой поверхностью сочленения верхнего фасеточного сегмента, и нижнюю поверхность, взаимодействующую со второй поверхностью сочленения нижнего фасеточного сегмента.
12. Система по п.11, отличающаяся тем, что верхняя поверхность распорки снабжена третьим элементом сцепления для соединения с первым элементом сцепления верхнего фасеточного сегмента.
13. Система по п.11, отличающаяся тем, что нижняя поверхность распорки снабжена четвертым элементом сцепления для соединения со вторым элементом сцепления нижнего фасеточного сегмента.
RU2011116645/14A 2008-10-16 2009-10-14 Искусственный фасеточный сустав RU2011116645A (ru)

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KR20110071123A (ko) 2011-06-28
EP2341870A1 (en) 2011-07-13
WO2010043028A1 (en) 2010-04-22
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