JP5443398B2 - 骨ねじ - Google Patents
骨ねじ Download PDFInfo
- Publication number
- JP5443398B2 JP5443398B2 JP2011000145A JP2011000145A JP5443398B2 JP 5443398 B2 JP5443398 B2 JP 5443398B2 JP 2011000145 A JP2011000145 A JP 2011000145A JP 2011000145 A JP2011000145 A JP 2011000145A JP 5443398 B2 JP5443398 B2 JP 5443398B2
- Authority
- JP
- Japan
- Prior art keywords
- bone screw
- head
- bone
- tube
- screw according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
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
- A61B17/8685—Pins or screws or threaded wires; nuts therefor comprising multiple separate parts
-
- 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
- A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
-
- 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
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
-
- 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
- A61B17/8635—Tips of screws
Description
′ 加えて、骨ねじの管体または他の部品を内方成長促進材料で被覆してまたは粗面化して、骨または血管の内方成長を促進することができる。
26 ねじ付突起83および可撓性壁区間84の軸方向の長さは、図13に示されるよう頭80を管体に挿入し、部分83とめねじ6との間のねじ接続を締めると、突起85が溝60に係合する長さである。
Claims (18)
- 骨ねじであって、
第1の端部(2)と第2の端部(3)とを有し、空洞を規定する管状壁を有し、複数の開口部(5)が前記管状壁を貫通して前記空洞の中まで延在するように設けられた管体(1、1′、1″′)と、
前記管状壁の管状外表面上にある外骨ねじ山(4)と、
ねじ回しと係合して、前記ねじ回しを第1の方向に回転させることによって前記骨ねじを骨中で前進させるように構成され、前記管体の前記第1の端部(2)に接続するようにも構成された頭(8、80)とを備え、
前記頭と前記管体とは、別個の部品であり、
前記頭は、前記ねじ回しが前記第1の方向と逆の第2の方向に回転されるときに前記頭が前記管体から分離されないようロックされるように、前記管体に接続可能であり、
固定要素(15、50)が前記頭をロックするために設けられている、骨ねじ。 - 前記頭(8)は、前記管体(1)に形状嵌合接続によって接続される、請求項1に記載の骨ねじ。
- 前記頭(8、80)は、前記管体(1、1′)の少なくとも1つの凹み(7、60)および/または少なくとも1つの突起にそれぞれ係合する少なくとも1つの突起(11、85)および/または少なくとも1つの凹みを有する、請求項1または2に記載の骨ねじ。
- 前記少なくとも1つの突起または凹み(7)は、前記第1の端部(2)の端縁に設けられる、請求項3に記載の骨ねじ。
- 前記少なくとも1つの突起または前記少なくとも1つの凹み(60)は、前記第1の端部(2)から離して設けられる、請求項3に記載の骨ねじ。
- 前記固定要素(15、50)は、前記ねじ回しによって前記頭にかけられる力とは無関係に前記頭を固定する、請求項1から5のいずれかに記載の骨ねじ。
- 前記固定要素(15、50)は、ねじである、請求項1から6のいずれかに記載の骨ねじ。
- 前記ねじは、前記頭にねじ込まれ、前記頭を前記管体に接続する内ねじである、請求項7に記載の骨ねじ。
- 先端部(20)が前記第2の端部(3)に設けられており、前記先端部は、別個の部品であるか前記管体と一体的に形成されているかのいずれかである、請求項1から8のいずれかに記載の骨ねじ。
- 前記管体の壁厚は、前記管体の外径の15%よりも薄い、請求項1から9のいずれかに記載の骨ねじ。
- 前記骨ねじ山(4)は、前記管状壁の前記外表面全体に沿って延在する、請求項1から10のいずれかに記載の骨ねじ。
- 前記外表面の一部分(102)には、骨ねじ山がない、請求項1から11のいずれかに記載の骨ねじ。
- 前記外表面の一部分(102)は、前記頭に隣接する、請求項12に記載の骨ねじ。
- 前記頭(8、80)は、前記管体から離れる方向を向く第1の端部(9、81)と、前記管体に面する第2の端部(10、82)とを有し、前記第1の端部は、当接部を形成する実質的に平坦な部分を有する、請求項1から13のいずれかに記載の骨ねじ。
- 前記頭(8、80)は、案内孔を含み、前記案内孔は、ワイヤを前記案内孔に通して案内するように構成される、請求項1から14のいずれかに記載の骨ねじ。
- 前記管体は円筒形である、請求項1から15のいずれかに記載の骨
ねじ。 - 前記頭は、ねじ軸と同軸で、前記ねじ回しとの係合に役立つ凹み(13)を有する、請求項1から16のいずれかに記載の骨ねじ。
- 前記頭および先端部は、ガイドワイヤを案内するために中空である、請求項1から17のいずれかに記載の骨ねじ。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29343310P | 2010-01-08 | 2010-01-08 | |
EP10150373.8A EP2343020B1 (en) | 2010-01-08 | 2010-01-08 | Bone screw |
EP10150373.8 | 2010-01-08 | ||
US61/293,433 | 2010-01-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011139901A JP2011139901A (ja) | 2011-07-21 |
JP5443398B2 true JP5443398B2 (ja) | 2014-03-19 |
Family
ID=41665379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011000145A Expired - Fee Related JP5443398B2 (ja) | 2010-01-08 | 2011-01-04 | 骨ねじ |
Country Status (7)
Country | Link |
---|---|
US (2) | US9770277B2 (ja) |
EP (2) | EP2343020B1 (ja) |
JP (1) | JP5443398B2 (ja) |
KR (1) | KR101501275B1 (ja) |
CN (1) | CN102119870B (ja) |
ES (2) | ES2523763T3 (ja) |
TW (2) | TW201503868A (ja) |
Cited By (1)
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WO2024024533A1 (ja) * | 2022-07-29 | 2024-02-01 | 株式会社スパインテック | 骨螺子 |
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-
2010
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- 2010-01-08 ES ES10150373.8T patent/ES2523763T3/es active Active
- 2010-01-08 EP EP14157390.7A patent/EP2737865B1/en active Active
- 2010-01-08 ES ES14157390.7T patent/ES2576358T3/es active Active
- 2010-12-28 KR KR1020100136855A patent/KR101501275B1/ko not_active IP Right Cessation
-
2011
- 2011-01-04 CN CN201110000363.1A patent/CN102119870B/zh not_active Expired - Fee Related
- 2011-01-04 TW TW103126114A patent/TW201503868A/zh unknown
- 2011-01-04 TW TW100100100A patent/TWI450704B/zh not_active IP Right Cessation
- 2011-01-04 JP JP2011000145A patent/JP5443398B2/ja not_active Expired - Fee Related
- 2011-01-05 US US12/985,183 patent/US9770277B2/en active Active
-
2017
- 2017-08-25 US US15/687,345 patent/US10682169B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024024533A1 (ja) * | 2022-07-29 | 2024-02-01 | 株式会社スパインテック | 骨螺子 |
Also Published As
Publication number | Publication date |
---|---|
EP2343020B1 (en) | 2014-08-13 |
TW201503868A (zh) | 2015-02-01 |
US20110190830A1 (en) | 2011-08-04 |
EP2737865B1 (en) | 2016-04-20 |
EP2737865A1 (en) | 2014-06-04 |
EP2343020A1 (en) | 2011-07-13 |
ES2576358T3 (es) | 2016-07-07 |
CN102119870B (zh) | 2015-07-08 |
KR101501275B1 (ko) | 2015-03-11 |
US10682169B2 (en) | 2020-06-16 |
ES2523763T3 (es) | 2014-12-01 |
KR20110081762A (ko) | 2011-07-14 |
TW201124111A (en) | 2011-07-16 |
JP2011139901A (ja) | 2011-07-21 |
US20180070999A1 (en) | 2018-03-15 |
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US9770277B2 (en) | 2017-09-26 |
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