KR100977586B1 - 로드 지지용 와셔를 포함하는 척추경 고정장치 - Google Patents
로드 지지용 와셔를 포함하는 척추경 고정장치 Download PDFInfo
- Publication number
- KR100977586B1 KR100977586B1 KR1020080006331A KR20080006331A KR100977586B1 KR 100977586 B1 KR100977586 B1 KR 100977586B1 KR 1020080006331 A KR1020080006331 A KR 1020080006331A KR 20080006331 A KR20080006331 A KR 20080006331A KR 100977586 B1 KR100977586 B1 KR 100977586B1
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- KR
- South Korea
- Prior art keywords
- pedicle
- washer
- rod
- pedicle screw
- fixation device
- Prior art date
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- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
- A61B17/7026—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a part that is flexible due to its form
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
- A61B17/7037—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other wherein pivoting is blocked when the rod is clamped
-
- 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
- A61B17/8695—Washers
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Claims (7)
- 몸체 상부에 소정 깊이의 U자형상의 수납홈이 형성되어 있으며 상기 수납홈의 내주면에 암나사산이 형성된 헤드부와, 몸체의 하부에 척추경에 삽입되는 나사부를 포함하여 구성되는 척추경 나사못과, 상기 암나사산과 체결될 수 있도록 외경을 따라 나사산이 형성되어 있고 중심부에 렌치삽입홈이 형성된 볼트를 포함하여 구성되는 척추경 나사못 모듈과;상기 척추경 나사못 모듈을 통해 연결되어 척추경을 교정하는 탄성로드(rod); 및몸체 중심부에 상기 탄성로드를 삽입하기 위한 로드삽입구가 형성되어 있고, 몸체의 일측에 길이방향으로 절개부가 형성되어 있는 와셔(washer);를 포함하여 구성되며,상기 탄성로드는 상기 와셔의 상기 로드삽입구에 삽입되어 상기 척추경 나사못 모듈에 연결되는 것을 특징으로 하는 로드지지용 와셔를 포함하는 척추경 고정장치.
- 제1항에 있어서,상기 헤드부의 수납홈 저면에는 상기 와셔의 몸체 일부를 삽입할 수 있도록 소정 깊이의 고정홈이 형성되어 있는 것을 특징으로 하는 로드지지용 와셔를 포함하는 척추경 고정장치.
- 제1항에 있어서,상기 와셔는 중공의 원통형으로 구성되는 것을 특징으로 하는 로드지지용 와셔를 포함하는 척추경 고정장치.
- 제1항 또는 제2항에 있어서,상기 와셔는 중공의 구형 또는 타원형으로 이루어지는 것을 특징으로 하는 로드지지용 와셔를 포함하는 척추경 고정장치.
- 제1항 또는 제2항에 있어서,상기 와셔는 중공이며 몸체 중심부의 직경이 몸체 단부의 직경보다 큰 형태로 구성되고, 몸체 중심부가 돌출되도록 라운드부가 형성된 것을 특징으로 하는 로드지지용 와셔를 포함하는 척추경 고정장치.
- 제1항에 있어서,상기 볼트는 중공형인 것을 특징으로 하는 로드지지용 와셔를 포함하는 척추경 고정장치.
- 제1항에 있어서,상기 탄성로드는 몸체 일부에 곡선부가 형성된 것을 특징으로 하는 로드지지용 와셔를 포함하는 척추경 고정장치.
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KR1020080006331A KR100977586B1 (ko) | 2008-01-21 | 2008-01-21 | 로드 지지용 와셔를 포함하는 척추경 고정장치 |
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KR1020080006331A KR100977586B1 (ko) | 2008-01-21 | 2008-01-21 | 로드 지지용 와셔를 포함하는 척추경 고정장치 |
Publications (2)
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KR20090080411A KR20090080411A (ko) | 2009-07-24 |
KR100977586B1 true KR100977586B1 (ko) | 2010-08-23 |
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KR1020080006331A KR100977586B1 (ko) | 2008-01-21 | 2008-01-21 | 로드 지지용 와셔를 포함하는 척추경 고정장치 |
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Families Citing this family (1)
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CN104644253A (zh) * | 2013-11-20 | 2015-05-27 | 杨春 | 拉伸式腰椎后路非融合固定系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200238838Y1 (ko) | 2001-04-30 | 2001-10-12 | 최길운 | 척추 지지 시스템 |
KR200338006Y1 (ko) | 2003-09-29 | 2004-01-07 | 김은숙 | 척추경나사못 연결용 탄성로드 |
KR100645396B1 (ko) * | 2004-11-26 | 2006-11-15 | (주)바이오스파인 | 척추경 고정장치 |
KR100645398B1 (ko) * | 2004-11-26 | 2006-11-15 | (주)바이오스파인 | 척추 교정을 위한 스태플링장치 |
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- 2008-01-21 KR KR1020080006331A patent/KR100977586B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200238838Y1 (ko) | 2001-04-30 | 2001-10-12 | 최길운 | 척추 지지 시스템 |
KR200338006Y1 (ko) | 2003-09-29 | 2004-01-07 | 김은숙 | 척추경나사못 연결용 탄성로드 |
KR100645396B1 (ko) * | 2004-11-26 | 2006-11-15 | (주)바이오스파인 | 척추경 고정장치 |
KR100645398B1 (ko) * | 2004-11-26 | 2006-11-15 | (주)바이오스파인 | 척추 교정을 위한 스태플링장치 |
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KR20090080411A (ko) | 2009-07-24 |
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