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41. 发明授权

EP1059141B1 HAND SCALER POLISHING UNIT AND HAND SCALER POLISHING APPARATUS 有权
标题翻译： FOR缩放波兰股和定标器的研磨装置
公开(公告)号：EP1059141B1
公开(公告)日：2006-03-22
申请号：EP98950321.4
申请日：1998-10-21
申请人： Nakanishi Inc.
发明人： KAWATA, Sosaku
IPC分类号： B24B3/60 , A61C3/00
CPC分类号： B24B1/04 , A61C3/00 , A61C19/00 , B24B3/60
摘要： A hand scaler polishing unit adapted to repair a hand scaler by polishing the same with a grindstone, comprising a base member having a base surface forming an angle with a horizontal plane, a member to which a grindstone is fixed, and a grindstone driving means for reciprocatingly moving the grindstone-fixed member along the base surface; and a hand scaler polishing apparatus comprising this hand scaler polishing unit, and a hand scaler fixing unit for fixing, when the polishing unit is used, the hand scaler in a substantially vertical direction.

42. 发明公开

EP1529496A3 Dental apparatus and fluid reservoir for the same 审中-公开
标题翻译：牙科装置和液体容器
公开(公告)号：EP1529496A3
公开(公告)日：2006-01-04
申请号：EP04026387.3
申请日：2004-11-05
申请人： Nakanishi Inc.
发明人： Suzuki, Tetsuji
IPC分类号： A61C1/00 , A61C17/02
CPC分类号： A61C1/0084 , A61C17/02
摘要： The present invention relates to dental apparatus (10) including a fluid reservoir (20) having a connection part (23), and a fluid reservoir receptor section (61) having a reception part (62). The connection part (23) includes a cylindrical member (24), a shaft member (25) slidably arranged through the cylindrical member (24), and having a channel (25d), a fluid passage defined between the channel (25d) and the cylindrical member (24), and an air passage formed in the cylindrical member (24) for taking external air in. The openings of the fluid and air passages are openable by sliding the shaft member (25). The reception part (62) includes a passage, a valve (64a) in the opening of the passage for taking external air in, and a releaser member (69) for sliding the shaft member (25) to open the openings of the fluid and air passages when the fluid reservoir (20) is installed on the fluid reservoir receptor section (61).

43. 发明公开

EP1486180A1 Fluid supply connector 有权
标题翻译： VerbindungsstückzurFlüssigkeitsversorgung
公开(公告)号：EP1486180A1
公开(公告)日：2004-12-15
申请号：EP04013781.2
申请日：2004-06-11
申请人： Nakanishi Inc.
发明人： Nakanishi, Eiichi , Kawakubo, Kiyoshi
IPC分类号： A61C1/18
CPC分类号： A61C1/18 , A61C1/0061 , A61C17/0217 , A61M3/005
摘要： A fluid supply connector (10) for connecting a plurality of fluid lines (44b, 46) from fluid supply sources to a medical handpiece (50) is described. The connector (10) includes a plurality of inlet ends, each to be connected with a fluid line (44b, 46) extending from a fluid supply source, an outlet end (15f) to be connected with a fluid line (21) extending toward a medical handpiece, and a plurality of fluid passages (14a, 14b) each connecting one of the inlet ends to the outlet end (15f). At least one of the plurality of fluid passages (14a, 14b) has a check valve (13, 11e) provided therein for preventing flow of fluid back to the inlet ends. The connector facilitates changing of a fluid to be injected through the tip of a handpiece without changing connectors for each fluid.
摘要翻译：描述了用于将多个流体管线（44b，46）从流体供应源连接到医疗手持件（50）的流体供应连接器（10）。连接器（10）包括多个入口端，每个入口端与从流体供应源延伸的流体管线（44b，46）连接，出口端（15f）与流体管线（21）连接，流体管线医疗手持件以及将入口端中的一个连接到出口端（15f）的多个流体通路（14a，14b）。多个流体通道（14a，14b）中的至少一个具有设置在其中的止回阀（13,11e），用于防止流体流回入口端。连接器有助于改变待注射的流体通过手持件的末端，而不改变每个流体的连接器。

44. 发明公开

EP1382307A1 Medical handpiece and cutting tool therefore 审中-公开
标题翻译： MedizinischesHandstückmit geeignetem Schneidewerkzeug
公开(公告)号：EP1382307A1
公开(公告)日：2004-01-21
申请号：EP03015637.6
申请日：2003-07-16
申请人： Nakanishi Inc.
发明人： Nakanishi, Takasuke, c/o Nakanishi Inc.
IPC分类号： A61B17/16
CPC分类号： A61B17/1631 , A61B17/1633 , A61B90/92
摘要： A medical handpiece (10) is disclosed, which includes a cutting tool (1) having an elongate flexible shank (1e) and a burr (1a) provided at the distal end of the cutting tool (1), a tubular sheath (3) for receiving the cutting tool (1) therein and having an elongate tube portion (3c), an interposed member (4) interposed between the elongate tube portion (3c) and the shank (1e), and a handpiece body (5) connected to the sheath (3) and detachably holding the proximal end of the cutting tool (1) for transmitting driving force to the cutting tool (1). The elongate tube portion (3c) of the sheath (3) is malleable and deformable, and the shank (1e) of the cutting tool (1) and the interposed member (4) are deformable following malleable deformation of the elongate tube portion (3c). Also disclosed is a cutting tool (20) for use in the handpiece (10), which includes a shank (23) having a first section (23b) , and a second section (23a) having sufficient flexibility to be elastically deformed more easily than the first section (23b).
摘要翻译：公开了一种医用手持件（10），其包括具有细长柔性柄（1e）和设置在切割工具（1）的远端处的毛刺（1a）的切割工具（1），管状护套（3）用于在其中容纳切割工具（1）并且具有细长的管部分（3c），插入在细长管部分（3c）和柄部（1e）之间的插入部件（4）和手柄主体（5）护套（3）并且可拆卸地保持切割工具（1）的近端以将驱动力传递到切割工具（1）。护套（3）的细长管部分（3c）是可延展和可变形的，并且切割工具（1）和插入构件（4）的柄（1e）可在细长管部分（3c）的可延展变形之后变形）。还公开了一种用于手持件（10）中的切割工具（20），其包括具有第一部分（23b）的柄部（23）和具有足够弹性以更容易弹性变形的第二部分（23a）第一部分（23b）。

45. 发明公开

EP1226789A3 Method and torque control unit for surgical drilling system 审中-公开
标题翻译：用于外科钻探系统中的方法和扭矩控制单元
公开(公告)号：EP1226789A3
公开(公告)日：2003-04-09
申请号：EP02001132.6
申请日：2002-01-24
申请人： Nakanishi Inc.
发明人： Nakanishi, Eiichi , Yoshizawa, Yoshimi
IPC分类号： A61C1/08 , A61C1/00 , A61C8/00
CPC分类号： A61C8/0089 , A61C1/0015 , A61C1/08 , A61C1/186
摘要： There is disclosed a torque control unit to be used with an instrument for implant surgery, a drilling system including the control unit, and a method for controlling torque with the control unit. The control unit includes a torque limiter (5) that is detachably attached to the bur (4) of the instrument for presetting and shuts off torque transmission from the bur (4) at a preset torque value, and a control section (3) controlling current value of the driving section (2) of the instrument. The control section (3) includes a detector (331) for detecting a current value of the driving section (2) corresponding to the preset torque value when the torque limiter (5) shuts off torque transmission, a memory (332) for storing the detected current value, and a current controller (333) for controlling a current value of the driving section (2) in accordance with the stored current value.

46. 发明公开

EP0905432A3 Connector for connecting two members 有权
标题翻译：连接部分，用于连接两个部分
公开(公告)号：EP0905432A3
公开(公告)日：2002-05-15
申请号：EP98117272.9
申请日：1998-09-11
申请人： Nakanishi Inc.
发明人： Ito, Yukio
IPC分类号： F16L39/00 , A61C1/18
CPC分类号： F16L39/00 , A61C1/18
摘要： A connector for connecting a first member (10) and a second member (20) is disclosed. This connector has an axially extending insert (11) provided on the first member (10) and having a groove (12) on its outer surface, an axial bore (21) in the second member (20) for coaxially receiving the insert (11), a ring member (22) accommodated in the axial bore (21), and displaceable between eccentric and concentric positions with respect to the axial bore (21) in a plane substantially transverse to the axial bore (21), wherein the ring member (22) is capable of fitting in the groove (12) on the insert (11) received in the axial bore (21) when in said eccentric position to interlock the first and second members.

47. 发明公开

EP0997110A2 Dental handpiece with dust control mechanism 审中-公开
标题翻译： ZahnärztlichesHandstückmit Mechanismus zur Staubbeseitigung
公开(公告)号：EP0997110A2
公开(公告)日：2000-05-03
申请号：EP99308339.3
申请日：1999-10-22
申请人： Nakanishi Inc.
发明人： Nakanishi, Takasuke
IPC分类号： A61C1/08 , A61C1/05
CPC分类号： A61C1/181 , A61C1/05 , A61C1/057 , F16C19/547 , F16C33/80 , F16C2316/13
摘要： A dental handpiece is disclosed which has a housing (11) having a wall, a bur sleeve (12) for receiving and holding a dental tool therein, a bearing (15, 35) for rotatably supporting the bur sleeve (12), a rotary dust control member (20) fixed on the bur sleeve (12), and a stationary dust control member (21, 41) forming a gap in cooperation with the rotary dust control member (20) and the wall of the housing (11) for preventing entry of contaminants inside the housing (11). The stationary dust control member (21, 41) is attached to the bearing (15, 35).
摘要翻译：公开了一种具有壁的壳体（11），用于在其中容纳和保持牙科工具的钻套（12），用于可旋转地支撑钻套（12）的轴承（15,35）的牙齿手柄，旋转固定在钻套（12）上的尘埃控制构件（20）和与旋转灰尘控制构件（20）和壳体（11）的壁协同形成间隙的静止灰尘控制构件（21,41），用于防止污染物进入壳体（11）内。固定式粉尘控制构件（21,41）安装在轴承（15,35）上。

48. 发明公开

EP0687529A1 Mechanism for machining and grinding tool for converting rotational movement into reciprocating movement 失效转让
标题翻译：机构用于加工和研磨工具用于将旋转运动转换成往复运动
公开(公告)号：EP0687529A1
公开(公告)日：1995-12-20
申请号：EP95108922.6
申请日：1995-06-09
申请人： Nakanishi Inc.
发明人： Nakanishi, Eiichi
IPC分类号： B25F5/00 , F16H21/50 , B23D51/16
CPC分类号： B23D51/16 , F16H21/50 , Y10T74/18208
摘要： A mechanism for a cutting or grinding tool for converting rotational movement into reciprocating movement contains a casing (30), a reciprocating member (3) mounted within the casing (30) for receiving and securing a tool (40) to be inserted into a tool receiving opening (3b) of the reciprocating member (3), a shaft member (1) rotatably mounted within the casing (30) for rotation by a rotational driving force, a bearing member (8) for rotatably carrying the shaft member (1), and a support member (4, 6, 7) for carrying the reciprocating member (3) for enabling reciprocating movement thereon. The reciprocating member (3) and the shaft member (1) are spaced apart so that a center axis (3') of the reciprocating member (3) and a center axis (1') of the shaft member (1) are offset. A connecting member (2) is provided between the shaft member (1) and the reciprocating member (3) for interconnecting the shaft and reciprocating members (1, 3) for converting rotational movement of the shaft member (1) into reciprocating movement of the reciprocating member (3). One end (2i) of the connecting member (2) is slidably received and mounted in the shaft member (1) at a position offset from the axis (1') of the shaft member (1) and the other end (2f) of the connecting member (2) is slidably received and mounted in the reciprocating member (3) at a position offset from the axis (1') of the shaft member (1).
摘要翻译：一种用于切割或用于将旋转运动转换成往复运动研磨工具机构包含一个壳体（30），（3）安装在壳体（30），用于接收和固定工具（40）内往复运动的构件被插入到工具接收开口（3b）的所述往复构件（3），轴部件（1）可转动地由一个旋转驱动力，轴承构件安装在所述壳体（30），用于旋转内的（8），用于可转动地承载轴部件（1）和支撑构件（4,6，7）用于承载用于使在其上往复运动的往复运动件（3）。所述往复运动件（3）和轴部件（1）间隔开，以便“的往复运动件（3）和一个中心轴（1做了中心轴线（3）”）的轴部件（1）的偏移。的连接构件（2）的轴部件（1）和用于使轴互连和往复运动构件往复运动件（3）之间设置有（1,3），用于将所述轴构件（1）的旋转运动转换成往复运动往复运动件（3）。一端连接构件的第（2i）（2）可滑动地容纳在所述轴部件（1）和另一端（2F）的位置从轴线（1“）的偏移量安装在所述轴部件（1）所述连接构件（2）可滑动地容纳和安装在所述轴部件（1）的位置从轴线（1“）抵消所述往复运动件（3）。

49. 发明公开

EP0625338A3 Handpiece having bearing protective member 失效转让
标题翻译：手持件具有保护存储元件。
公开(公告)号：EP0625338A3
公开(公告)日：1995-07-26
申请号：EP94107647.3
申请日：1994-05-17
申请人： Nakanishi Inc.
发明人： Nakanishi, Takasuke
IPC分类号： A61C1/08
CPC分类号： A61C1/057 , A61C1/181 , F16C33/80 , F16C2316/13 , Y10S415/904
摘要： A dental handpiece contains a sleeve (13) for rotatably accommodating and securing a dental treatment tool (9) therein bearings (15, 15') for rotatably holding the sleeve (13) with respect to stationary handpiece casing members (11, 17), a rotatable rotor (14, 14') fixed to the sleeve (13) for rotating the sleeve under action of a compressed fluid, and stationary convexed and concave protective members (18, 18') for sheathing the bearings (15, 15') exposed to an annular spacing (23) defined by the bearings (15, 15') and the rotatable rotor (14, 14'). The rotatable rotor (14, 14') contains rotatable concave and convexed disc portions (20, 20'). The rotatable concave and convexed disc portions (20, 20') are arranged in proximity to the stationary convexed and concave protective members (18, 18') in a mating relation therewith for defining therebetween at least a first gap (19, 19') and a second gap (21, 21') communicating with the first gap and disposed radially outwardly of the first gap (19, 19').

50. 发明公开

EP0639354A2 Dental handpiece having rotatable contact member 有权转让
标题翻译： ZahnärztlichesHandstückmit drehbarem Kontaktelement。
公开(公告)号：EP0639354A2
公开(公告)日：1995-02-22
申请号：EP94112962.9
申请日：1994-08-19
申请人： Nakanishi Inc.
发明人： Eiichi, Nakanishi c/o Nakanishi Dental Mfg Co Ltd , Sosaku, Kawata c/o Nakanishi Dental Mfg Co Ltd , Yuichi, Shibata c/o Nakanishi Dental Mfg Co Ltd
IPC分类号： A61C1/14
CPC分类号： A61C1/141
摘要： A dental handpiece (10, 30) contains a tool (9) for dental treatment operation, tool holding members (13, 14, 33, 114) for detachably and rotatably holding the tool (9), tool detachment members (22, 32) for abutting against the tool holding members (13, 14, 33, 114) to detach the tool (9) from the tool holding members (13, 14, 33, 114), and rotatable contact members (24, 25, 35) capable of being point-contacted with the tool holding members (13, 14, 33, 114). The rotatable contact members (24, 25, 35) when contacted with the tool holding members (13, 14, 33, 114) is rotatable with the tool holding members (13, 14, 33, 114).
摘要翻译：牙齿手柄（10,30）包括用于牙科治疗操作的工具（9），用于可拆卸地和可旋转地保持工具（9）的工具保持构件（13,14,33,114），工具拆卸构件（22,32）用于与工具保持构件（13,14,33,114）抵接以将工具（9）从工具保持构件（13,14,33,114）分离，并且可旋转的接触构件（24,25,35）能够与工具保持构件（13,14,33,114）点接触。当与工具保持构件（13,14,33,114）接触时，可旋转的接触构件（24,25,35）可与工具保持构件（13,14,33,114）一起旋转。

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