KR20020073427A - 나사 - Google Patents
나사 Download PDFInfo
- Publication number
- KR20020073427A KR20020073427A KR1020020014005A KR20020014005A KR20020073427A KR 20020073427 A KR20020073427 A KR 20020073427A KR 1020020014005 A KR1020020014005 A KR 1020020014005A KR 20020014005 A KR20020014005 A KR 20020014005A KR 20020073427 A KR20020073427 A KR 20020073427A
- Authority
- KR
- South Korea
- Prior art keywords
- screw
- rod
- spiral
- helix
- fixing member
- Prior art date
Links
Classifications
-
- 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
-
- 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
Abstract
Description
Claims (2)
- 축부(1) 및 이에 연결되는 고정 부재(2)를 구비하는 로드(10) 연결용 장치에 있어서, 상기 고정 부재(2)가 상기 로드(10)를 수용하며 단부가 노출된 두개의 다리부(5,6)가 형성된 U자형 단면을 갖는 홈(4), 상기 노출된 다리부(5,6)에 형성된 내부 나선(8) 및 상기 내부 나선(8)과 결합되어 직·간접적으로 상기 로드(10)에 작용하는 나사(9)를 구비하고, 서로 인접하는 두개의 국부 플랭크(12,26)를 갖는 상기 내부 나선(8)상에서 노출단(7)의 반대 방향으로 향해 있는 국부 플랭크(12,26)가 세로축(3)에 직교하여 연장되고 나선의 골(23)을 통과하는 평면에 대해 음의 각(β2)을 이루고, 상기 내부 나선(8)과 상호 작용하는 상기 나사(9)에는 나선(8)과 결합되는 외부 나선이 제공되며, 상기 나선(3)의 중심으로부터 상기 나사(9)의 나선의 골(21)까지의 반경 r1은 고정 부재의 중심축(3)으로부터 나선 산정(22)까지의 반경 r2보다 작고, 나선(3)의 중심으로부터 나사(9)의 나선 산정(22)까지의 반경 r3는 고정 부재의 중심축(3)으로부터 내부 나선의 골(23)까지의 반경 r4보다 작으며, 고정 부재의 나사(9) 및 노출된 다리부(5,6)가 부하없이 결합되고, 내부 나선의 플랭크(13)와 이에 합치되는 나사의 플랭크(24)가 양의 플랭크 각(β1)을 이루며 서로 접할 경우, 음의 플랭크 각(β2)을 이루며 서로 마주보는 각각의 플랭크(12,26) 사이에 갭(25)이 발생하는 것을 특징으로 하는 축부 및 이에연결되는 고정 부재를 구비하는 로드 연결용 장치.
- 제 1 항에 있어서,상기 노출된 다리부(5,6)의 나선의 골(23)이 각각 둥근 모양으로 구성되는 것을 특징으로 하는 축부 및 이에 연결되는 고정 부재를 구비하는 로드 연결용 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10065396 | 2000-12-27 | ||
EP01106711A EP1219255B1 (de) | 2000-12-27 | 2001-03-16 | Schraube zum Verbinden mit einem Stab |
EP01106711.3 | 2001-03-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020073427A true KR20020073427A (ko) | 2002-09-26 |
KR100687089B1 KR100687089B1 (ko) | 2007-02-27 |
Family
ID=39720082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020014005A KR100687089B1 (ko) | 2000-12-27 | 2002-03-15 | 나사 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7018378B2 (ko) |
EP (1) | EP1219255B1 (ko) |
JP (1) | JP4395284B2 (ko) |
KR (1) | KR100687089B1 (ko) |
DE (1) | DE50100793D1 (ko) |
TW (1) | TWI235794B (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100509885B1 (ko) * | 2002-10-28 | 2005-08-23 | 주식회사 솔고 바이오메디칼 | 척추내 고정장치 |
KR20210085510A (ko) * | 2019-12-30 | 2021-07-08 | 주식회사 엔닥 | 팽창 복원 기능을 구비한 뼈 고정용 스크류 |
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2002
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- 2002-03-15 KR KR1020020014005A patent/KR100687089B1/ko active IP Right Grant
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KR100509885B1 (ko) * | 2002-10-28 | 2005-08-23 | 주식회사 솔고 바이오메디칼 | 척추내 고정장치 |
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Also Published As
Publication number | Publication date |
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JP4395284B2 (ja) | 2010-01-06 |
KR100687089B1 (ko) | 2007-02-27 |
EP1219255B1 (de) | 2003-10-15 |
TWI235794B (en) | 2005-07-11 |
US20070055238A1 (en) | 2007-03-08 |
US20020138076A1 (en) | 2002-09-26 |
EP1219255A1 (de) | 2002-07-03 |
US7018378B2 (en) | 2006-03-28 |
DE50100793D1 (de) | 2003-11-20 |
JP2002330976A (ja) | 2002-11-19 |
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