JP2017509403A - 双安定電磁アクチュエータ及び外科用器具 - Google Patents
双安定電磁アクチュエータ及び外科用器具 Download PDFInfo
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- JP2017509403A JP2017509403A JP2016557299A JP2016557299A JP2017509403A JP 2017509403 A JP2017509403 A JP 2017509403A JP 2016557299 A JP2016557299 A JP 2016557299A JP 2016557299 A JP2016557299 A JP 2016557299A JP 2017509403 A JP2017509403 A JP 2017509403A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00147—Holding or positioning arrangements
- A61B1/00158—Holding or positioning arrangements using magnetic field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0266—Moulding; Pressing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
- H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/38—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00096—Optical elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/70—Manipulators specially adapted for use in surgery
- A61B34/73—Manipulators for magnetic surgery
- A61B2034/731—Arrangement of the coils or magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/08—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/083—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together in a bonding agent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F2007/1669—Armatures actuated by current pulse, e.g. bistable actuators
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Manufacturing & Machinery (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biophysics (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Endoscopes (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
コイルの少なくとも1本のコイル線のための開口部又は通路であって、長手軸方向にリング状の永久磁石を貫通する開口部又は通路が、リング状の永久磁石の少なくとも1つに設けられていることが、特に好適である。これによって、極めて小径の双安定電磁アクチュエータを製造することが可能となるが、それはなぜなら、前記少なくとも1本のコイル線を、リング状の永久磁石の周囲に、すなわち、前記コイル線を外側あるいは内側のいずれかからコイルへと、供給することが避けられるからである。
固定子磁極片の軸方向の幅が、第1の位置と第2の位置との間のアクチュエータの軸方向ストロークよりも小さい場合には、保持力と切替力との大きな差が得られる。
図1は、本発明による双安定電磁アクチュエータ1の断面図を示す。アクチュエータ1は、基本的に中心軸4を中心に回転対称であり、アクチュエータ1の半分のみが図示されている。アクチュエータ1の断面全体は、中心軸4について鏡映させることによって得られる。
Claims (11)
- 双安定電磁アクチュエータ(1)、具体的には外科用器具のための双安定電磁アクチュエータ(1)であって、
管(2)の外側に配置された固定子(10)と、
該長手軸に沿って変位可能に前記管(2)に設けられ、少なくとも部分的に常磁性及び/又は強磁性材料を含み、電磁場の印加によって第1の位置(6)と第2の位置(8)との間を可逆的に変位可能な可動子(30)とを備え、
前記固定子(10)は、2つのリング状の永久磁石(12、14)、具体的には軸方向において互いに逆の極性を有する2つのリング状の永久磁石(12、14)と、前記電磁場を発生させるためのコイル(16)と、2つの固定子磁極片(20、22)を有するバックアイアン要素(18)とを備え、
前記リング状の永久磁石(12、14)は、プラスチック母材に埋め込まれた硬磁性粒子を含むことを特徴とする、双安定電磁アクチュエータ(1)。 - 前記リング状の永久磁石(12、14)は、射出成形法によって製造されることを特徴とする、請求項1に記載の双安定電磁アクチュエータ(1)。
- 前記コイル(16)の少なくとも1本のコイル線(42、43)のための開口部(41)又は通路(40)であって、長手軸方向に前記リング材を貫通する開口部(41)又は通路(40)が、リング状の永久磁石(12、14)の少なくとも1つに設けられていることを特徴とする、請求項1又は2に記載の双安定電磁アクチュエータ(1)。
- 前記コイル(16)の少なくとも1本のコイル線(42、43)のための開口部(41)又は通路(40)であって、長手軸方向に前記固定子磁極片(20、22)を貫通する開口部(41)又は通路(40)が、固定子磁極片(20、22)の少なくとも1つに設けられていることを特徴とする、請求項3に記載の双安定電磁アクチュエータ(1)。
- 前記リング状の永久磁石(12、14)の該外径は、5mm以下であることを特徴とする、請求項1から4のいずれか1つに記載の双安定電磁アクチュエータ(1)。
- 前記リング状の永久磁石(12、14)は、それぞれ、前記コイル(16)の一方の側に配置されていることを特徴とする、請求項1から5のいずれか1つに記載の双安定電磁アクチュエータ(1)。
- 前記固定子磁極片(20、22)を有する前記バックアイアン要素(18)は、前記コイル(16)を囲み、前記固定子磁極片(20、22)は、前記コイル(16)と前記リング状の永久磁石(12、14)との間において前記コイル(16)の両側に配置され、
前記可動子(30)は、2つの可動子磁極片(32、34)を有し、
前記固定子磁極片(20、22)の軸方向の幅が、前記可動子磁極片(32、34)の軸方向の幅よりも小さいことを特徴とする、請求項1から6のいずれか1つに記載の双安定電磁アクチュエータ(1)。 - 前記固定子磁極片(20、22)の前記軸方向の幅は、前記第1の位置(6)と前記第2の位置(8)との間の前記アクチュエータ(1)の軸方向ストロークよりも小さいことを特徴とする、請求項7に記載の双安定電磁アクチュエータ(1)。
- 前記可動子磁極片(32、34)を有する前記可動子(30)は、軸方向における前記固定子磁極片(20、22)間の該外側の距離よりも長い該軸方向の全長を有することを特徴とする、請求項7又は8に記載の双安定電磁アクチュエータ(1)。
- 前記可動子(30)は、前記第1及び/又は第2の位置(6、8)においてストッパ(44、46)と当接することを特徴とする、請求項1から9のいずれか1つに記載の双安定電磁アクチュエータ(1)。
- 外科用器具、具体的には内視鏡、であって、請求項1から10のいずれか1つに記載の双安定電磁アクチュエータ(1)を備える、外科用器具。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014204736.6 | 2014-03-14 | ||
DE102014204736.6A DE102014204736A1 (de) | 2014-03-14 | 2014-03-14 | Bistabiler elektromagnetischer Aktuator und chirurgisches Instrument |
PCT/EP2015/054539 WO2015135814A2 (de) | 2014-03-14 | 2015-03-04 | Bistabiler elektromagnetischer aktuator und chirurgisches instrument |
Publications (3)
Publication Number | Publication Date |
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JP2017509403A true JP2017509403A (ja) | 2017-04-06 |
JP2017509403A5 JP2017509403A5 (ja) | 2017-05-25 |
JP6609567B2 JP6609567B2 (ja) | 2019-11-20 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2016557299A Expired - Fee Related JP6609567B2 (ja) | 2014-03-14 | 2015-03-04 | 双安定電磁アクチュエータ及び外科用器具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10027215B2 (ja) |
JP (1) | JP6609567B2 (ja) |
CN (1) | CN106063098B (ja) |
DE (1) | DE102014204736A1 (ja) |
WO (1) | WO2015135814A2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6694686B2 (ja) * | 2015-09-28 | 2020-05-20 | オリンパス株式会社 | 光学装置、内視鏡 |
DE102015223653A1 (de) * | 2015-11-30 | 2017-06-01 | Robert Bosch Gmbh | Verfahren zur Herstellung eines Permanentmagneten, Permanentmagnet hergestellt nach solch einem Verfahren und Gussvorrichtung zur Herstellung solch eines Permanentmagneten |
DE102017107414A1 (de) * | 2017-04-06 | 2018-10-11 | Olympus Winter & Ibe Gmbh | Stereoskopisches optisches System eines chirurgischen Instruments und Verfahren zum Herstellen desselben |
DE102017107397A1 (de) * | 2017-04-06 | 2018-10-11 | Olympus Winter & Ibe Gmbh | Elektromagnetischer Aktuator für ein chirurgisches Instrument und Verfahren zum Herstellen desselben |
KR20200101791A (ko) * | 2019-02-20 | 2020-08-28 | 삼성전자주식회사 | 폴더블 장치 |
DE102019108270A1 (de) * | 2019-03-29 | 2020-10-01 | Dormakaba Deutschland Gmbh | Schiebetüranlage |
CN111546340B (zh) * | 2020-05-11 | 2020-11-27 | 中国人民解放军军事科学院国防科技创新研究院 | 电磁驱动的多稳态软体机械臂系统 |
CN114147910B (zh) * | 2021-10-27 | 2023-01-24 | 香港城市大学深圳福田研究院 | 双稳态磁致驱动器及其制备方法、疲劳试验装置及潜行器 |
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US4127835A (en) * | 1977-07-06 | 1978-11-28 | Dynex/Rivett Inc. | Electromechanical force motor |
JPH1027361A (ja) * | 1996-07-09 | 1998-01-27 | Matsushita Electric Ind Co Ltd | 対物レンズ駆動装置 |
US6700230B1 (en) * | 2002-10-18 | 2004-03-02 | Matsushita Electric Works, Ltd. | Linear actuator |
JP2004097292A (ja) * | 2002-09-05 | 2004-04-02 | Olympus Corp | 内視鏡用撮像装置 |
WO2008105393A1 (ja) * | 2007-02-26 | 2008-09-04 | Olympus Medical Systems Corp. | 磁気アクチュエータ、磁気アクチュエータの動作方法、およびこれを用いたカプセル型内視鏡 |
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-
2014
- 2014-03-14 DE DE102014204736.6A patent/DE102014204736A1/de not_active Ceased
-
2015
- 2015-03-04 CN CN201580010883.7A patent/CN106063098B/zh not_active Expired - Fee Related
- 2015-03-04 WO PCT/EP2015/054539 patent/WO2015135814A2/de active Application Filing
- 2015-03-04 JP JP2016557299A patent/JP6609567B2/ja not_active Expired - Fee Related
-
2016
- 2016-09-14 US US15/265,250 patent/US10027215B2/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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US3103603A (en) * | 1960-11-02 | 1963-09-10 | Reutter Jean Leon | Alternating current synchronous reciprocating motor unit |
JPS5085041A (ja) * | 1973-11-30 | 1975-07-09 | ||
US4127835A (en) * | 1977-07-06 | 1978-11-28 | Dynex/Rivett Inc. | Electromechanical force motor |
JPH1027361A (ja) * | 1996-07-09 | 1998-01-27 | Matsushita Electric Ind Co Ltd | 対物レンズ駆動装置 |
JP2004097292A (ja) * | 2002-09-05 | 2004-04-02 | Olympus Corp | 内視鏡用撮像装置 |
US6700230B1 (en) * | 2002-10-18 | 2004-03-02 | Matsushita Electric Works, Ltd. | Linear actuator |
JP2008546492A (ja) * | 2005-06-29 | 2008-12-25 | サイレーク サイエンティフィック レスピラトリー イクィップメント インコーポレイテッド | 自己駆動シリンダーや振動スパイロメーター |
WO2008105393A1 (ja) * | 2007-02-26 | 2008-09-04 | Olympus Medical Systems Corp. | 磁気アクチュエータ、磁気アクチュエータの動作方法、およびこれを用いたカプセル型内視鏡 |
JP2013530672A (ja) * | 2010-07-05 | 2013-07-25 | オリンパス ビンテル ウント イーベーエー ゲーエムベーハー | 手術器具用の電磁アクチュエータ |
DE102012104832A1 (de) * | 2012-06-04 | 2013-12-05 | Fachhochschule Lübeck Körperschaft des öffentlichen Rechts | Hohlzylindrischer Bistabiler Reluktanz-Aktuator |
Also Published As
Publication number | Publication date |
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CN106063098A (zh) | 2016-10-26 |
DE102014204736A1 (de) | 2015-09-17 |
US20170005557A1 (en) | 2017-01-05 |
WO2015135814A3 (de) | 2016-01-07 |
WO2015135814A2 (de) | 2015-09-17 |
US10027215B2 (en) | 2018-07-17 |
JP6609567B2 (ja) | 2019-11-20 |
CN106063098B (zh) | 2019-02-12 |
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