JP2013138820A - 内視鏡手術用骨削除器具のダイヤモンドバー - Google Patents
内視鏡手術用骨削除器具のダイヤモンドバー Download PDFInfo
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- JP2013138820A JP2013138820A JP2012012462A JP2012012462A JP2013138820A JP 2013138820 A JP2013138820 A JP 2013138820A JP 2012012462 A JP2012012462 A JP 2012012462A JP 2012012462 A JP2012012462 A JP 2012012462A JP 2013138820 A JP2013138820 A JP 2013138820A
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- Prior art keywords
- bar
- bone
- cutting
- instrument
- center
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 35
- 229910003460 diamond Inorganic materials 0.000 title abstract description 16
- 239000010432 diamond Substances 0.000 title abstract description 16
- 230000008030 elimination Effects 0.000 title abstract 4
- 238000003379 elimination reaction Methods 0.000 title abstract 4
- 210000005036 nerve Anatomy 0.000 abstract description 7
- 239000006061 abrasive grain Substances 0.000 abstract description 4
- 238000001356 surgical procedure Methods 0.000 description 8
- 238000012217 deletion Methods 0.000 description 3
- 230000037430 deletion Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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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
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
- A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B2017/320004—Surgical cutting instruments abrasive
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (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
【解決手段】球形バーの先端回転軸中心を中心とする小範囲に円錐形に欠切された陥凹9があり、その陥凹表面も含めバー8の表面全体に砥粒固着加工を施すことにより、最も切削能力が低い先端回転軸中心が切削の最前線に来ることが解消され、切削が迅速になる。骨削除を進めていくと回転軸中心部にも骨があたることになるが、陥凹部分の形に削り残った骨は、小突起状であるため構造上弱く、容易に削られる。
【選択図】図6
Description
7 シャフト
8 バー
9、10、11,12,14 陥凹
13 排粉溝
15 貫通孔
Claims (4)
- 回転式骨削除器具のバーにおいて、少なくとも先端側に類球形の曲表面を持ち、
その先端回転軸中心からその近傍までの小範囲に陥凹があり、
その陥凹の表面も含めてバー表面に微小な凹凸加工処理が施されていること
を特徴とする回転式骨削除器具のバー。 - 前記の陥凹は、類円錐形に欠切された形状であること
を特徴とする請求項1に記載の回転式骨削除器具のバー。 - 前記の陥凹は、類円錐形に切削され、さらにその類円錐形に連続する小欠削が追加された形状であること
を特徴とする請求項1に記載の回転式骨削除器具のバー。 - 前記の陥凹は、類円錐形に切削され、さらにその陥凹に貫通孔が追加された形状であること
を特徴とする請求項1に記載の回転式骨削除器具のバー。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012012462A JP5952004B2 (ja) | 2012-01-05 | 2012-01-05 | 内視鏡手術用骨削除器具のダイヤモンドバー |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012012462A JP5952004B2 (ja) | 2012-01-05 | 2012-01-05 | 内視鏡手術用骨削除器具のダイヤモンドバー |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013138820A true JP2013138820A (ja) | 2013-07-18 |
JP5952004B2 JP5952004B2 (ja) | 2016-07-13 |
Family
ID=49036867
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JP2012012462A Active JP5952004B2 (ja) | 2012-01-05 | 2012-01-05 | 内視鏡手術用骨削除器具のダイヤモンドバー |
Country Status (1)
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JP (1) | JP5952004B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11806024B2 (en) | 2021-06-24 | 2023-11-07 | Nakanishi Inc. | Surgical bur |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04208148A (ja) * | 1990-11-30 | 1992-07-29 | Katsumi Takahashi | 外科手術用回転型切削工具 |
JP3001002U (ja) * | 1993-02-15 | 1994-08-16 | シーメンス アクチエンゲゼルシヤフト | 高速駆動装置に適した回転運動可能な工具 |
JPH1043193A (ja) * | 1996-08-07 | 1998-02-17 | Urawa Kogyo Kk | 骨切削用カッター |
JP2006109917A (ja) * | 2004-10-12 | 2006-04-27 | Dentech:Kk | 回転加工工具 |
-
2012
- 2012-01-05 JP JP2012012462A patent/JP5952004B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04208148A (ja) * | 1990-11-30 | 1992-07-29 | Katsumi Takahashi | 外科手術用回転型切削工具 |
JP3001002U (ja) * | 1993-02-15 | 1994-08-16 | シーメンス アクチエンゲゼルシヤフト | 高速駆動装置に適した回転運動可能な工具 |
JPH1043193A (ja) * | 1996-08-07 | 1998-02-17 | Urawa Kogyo Kk | 骨切削用カッター |
JP2006109917A (ja) * | 2004-10-12 | 2006-04-27 | Dentech:Kk | 回転加工工具 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11806024B2 (en) | 2021-06-24 | 2023-11-07 | Nakanishi Inc. | Surgical bur |
Also Published As
Publication number | Publication date |
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JP5952004B2 (ja) | 2016-07-13 |
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