US20040148703A1 - Operating table - Google Patents
Operating table Download PDFInfo
- Publication number
- US20040148703A1 US20040148703A1 US10/714,450 US71445003A US2004148703A1 US 20040148703 A1 US20040148703 A1 US 20040148703A1 US 71445003 A US71445003 A US 71445003A US 2004148703 A1 US2004148703 A1 US 2004148703A1
- Authority
- US
- United States
- Prior art keywords
- table top
- longitudinal axis
- critical angle
- tilting
- middle position
- 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.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/02—Adjustable operating tables; Controls therefor
- A61G13/04—Adjustable operating tables; Controls therefor tiltable around transverse or longitudinal axis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/02—Adjustable operating tables; Controls therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/42—General characteristics of devices characterised by sensor means for inclination
Definitions
- This disclosure relates to a device for supporting a patient, in particular, an operating table.
- Tables for supporting a patient during an operation include a table top mounted on a bearing column with the table top being held on the bearing column.
- the table top is transversely displaceable relative to a longitudinal axis of the table from a middle position and tiltable about a tilting axis that is parallel to the longitudinal axis of the table.
- a patient can be placed on the table top, and the table top can be laterally outwardly displaced from the middle position transversely to the longitudinal direction of the table, for example, while fluoroscopy is being carried out on part of the patient's body.
- the table top can also be tilted about the tilting axis, so that, for example, the site of an operation can be made to face the operating surgeon.
- a stable operating table is disclosed in which a table top of the operating table is automatically transversely displaceable during a tilting movement of the table top.
- an operating table in a first general aspect, includes a bearing column, a table top mounted on the bearing column, and a control device.
- the table top is displaceable from a middle position transversely to a longitudinal axis of the table and tiltable about a tilting axis that is substantially parallel to the longitudinal axis of the table.
- the control device automatically activates a transverse displacement of the table top in a direction towards the middle position during a tilting movement.
- the operating table may include one or more of the following features.
- the control device can automatically displace the table top in the direction of its middle position transversely to the longitudinal axis of the table when a predetermined critical angle is exceeded during a tilting movement.
- the critical angle can be predetermined as a function of the displacement of the table top from its middle position transversely to the longitudinal axis of the table.
- the control device can include an electronic control unit.
- the control unit can include a comparator element for comparing an actual tilting angle with the predetermined critical angle.
- the control unit can include a computing element for calculating the predetermined critical angle as a function of the displacement of the table top transversely to the longitudinal axis of the table.
- the control unit can include a memory element for storing critical angle values as a function of the displacement of the table top.
- an operating table in second general aspect, includes a bearing column, a table top mounted on the bearing column, where the table top is displaceable from a middle position transversely to a longitudinal axis of the table and tiltable about a tilting axis that is substantially parallel to the longitudinal axis of the table, and a means for automatically activating a transverse displacement of the table top in a direction towards the middle position during a tilting movement.
- the operating table may include one or more of the following features.
- the means for automatically activating a transverse displacement of the table top can automatically displace the table top in the direction of its middle position transversely to the longitudinal axis of the table when a predetermined critical angle is exceeded during a tilting movement.
- the critical angle can be predetermined as a function of the displacement of the table top from its middle position transversely to the longitudinal axis of the table.
- a method of supporting an operating table includes supporting a table top of the operating table on a bearing column, tilting the table top about a tilting axis that is substantially parallel to a longitudinal axis of the table, and automatically displacing the table top towards a middle position transversely to the longitudinal axis of the table during the tilting of the table top.
- the method can included one or more of the following features.
- the table top can be automatically transversely displaced when a predetermined critical angle is exceeded during the tilting of the table top.
- the critical angle can be predetermined as a function of the displacement of the table top from its middle position transversely to the longitudinal axis of the table.
- the method can further include measuring a tilt angle of the table top.
- the method can further include comparing the measured tilt angle with a predetermined critical angle.
- the method can further include calculating the predetermined critical angle as a function of a displacement of the table top transversely to the longitudinal axis of the table.
- the method can further include storing values of predetermined critical angle values as a function of the displacement of the table top.
- FIG. 1 is a perspective illustration of an operating table.
- FIG. 2 is a schematic sectional view taken along line 2 - 2 in FIG. 1, in which the table top of the operating table is in a middle position.
- FIG. 3 is a schematic sectional view corresponding to FIG. 2, in which the table top is in a laterally displaced position.
- FIG. 4 is a schematic sectional view corresponding to FIG. 2, in which the table top is in a position in which it is laterally displaced and tilted about a tilting axis that is parallel to a longitudinal axis of the table.
- FIG. 5 is a schematic illustration of the correlation between a tilting movement and a transverse displacement of the table top.
- An operating table generally designated 10 in a perspective illustration in FIG. 1 includes a bearing column 12 that is adjustable in its height and supports a table top 14 .
- the table top 14 is of a multipart design and includes a base segment 15 mounted on the bearing column 12 .
- a leg segment 16 with two leg plates 17 and 18 and a bottom back segment 19 are attached to the base segment 15 for swivel movement about a horizontal axis.
- the bottom back segment 19 serves as a swivel mount for a top back segment 20 on which a head plate 21 is attached for swivel movement.
- the table top 14 can be of one-part design.
- the connection of the table top 14 to the bearing column 12 can be of detachable or undetachable design.
- the base segment 15 of the table top 14 is mounted on a column head 25 of the bearing column 12 for displacement transversely to the longitudinal axis 23 of the table, so that via the base segment 15 the entire table top 14 is laterally displaceable in the direction of double arrow 26 (i.e., transversely to a longitudinal axis 23 of the table top 14 ) starting from a middle position shown in FIG. 1 and FIG. 2.
- the base segment 15 includes a drive device in the form of an electric motor (not shown).
- An electronic control unit 28 integrated into the bearing column 12 is associated with the drive device.
- the table top 14 is also tiltable about a tilting axis which is in parallel alignment with the longitudinal axis 23 of the table, as shown in FIG. 4.
- the column head 25 can be raised or lowered at one side by a lifting device (not shown) to achieve a tilted position of the table top 14 . Any lifting device known for use with operating tables can be used.
- the drive device integrated into the base segment 15 is activated by the control unit 28 to cause a lateral displacement of the table top 14 .
- a transverse movement symbolized by arrow 31 in FIG. 4 is superimposed on the tilting movement of the table top 14 symbolized by arrow 30 in FIG. 4 to ensure that an unlimited tilting movement 30 can be carried out independently of the respective initial position of the table top 14 .
- the critical angle may be selected as a function of the displacement of the table top 14 from its middle position transversely to the longitudinal axis 23 of the table top. The greater the displacement, the smaller the critical angle, which, when exceeded, causes an additional transverse movement of the table top to be superimposed on the tilting movement.
- the drive device can include a control cam and/or a control gearing for superimposing upon a tilting movement of the table top 14 a transverse displacement occurring in the direction of its middle position when the critical angle is exceeded.
- the tilting angle ⁇ starting from the value 0 reaches the critical angle ⁇ Gr corresponding to the displacement A 0 after a short time. If the critical angle ⁇ Gr is exceeded as the tilting movement continues, this is recognized by a comparator element 33 of the control unit 28 , which thereupon activates the drive unit integrated into the base segment 15 , so that the table top is displaced transversely to the longitudinal axis 23 of the table in the direction of its middle position.
- the critical angle ⁇ Gr associated with a prevailing displacement is determined in the control unit by a computing element 34 which precedes the comparator element 34 .
- the superimposed tilting and transverse movement is effected until the table top has reached the desired tilting angle ⁇ 1 .
- the displacement of the table top 14 transversely to the longitudinal axis of the table was thereby reduced to the value A 1 . It is thus ensured that independently of the prevailing lateral displacement of the table top, a tilting movement does not affect the stability of the operating table 10 .
- the control unit 28 includes a comparator element for comparing an actual tilting angle of the table top 14 with the predetermined critical angle.
- a sensor can detect the actual tilted position of the table top and the detected angle is fed to the comparator element. If the comparator element detects that the actual tilting angle of the table top in the displaced position exceeds the predetermined critical angle, the comparator element delivers a control signal for activation of a drive unit to displace the table top 14 transversely to the longitudinal axis 23 of the table in the direction of its middle position.
- the control unit 28 includes a computing element for calculating a predetermined tilting angle as a function of the displacement of the table top transversely to the longitudinal axis of the table.
- the computing element can be provided with an algorithm for calculating the critical angle as a function of the actual position of the table top transversely to the longitudinal axis of the table.
- Such an algorithm is readily derivable from the relationships between such factors as the dimensions of the table top 14 , the bearing column 12 , the center of mass of the table top, and the location of the tilting axis.
- control unit 28 can include a memory element for storing critical angle values that are a function of the displacement of the table top 14 transversely to the longitudinal axis 23 of the table.
- a memory element for storing critical angle values that are a function of the displacement of the table top 14 transversely to the longitudinal axis 23 of the table.
Abstract
Description
- This application claims priority under 35 USC § 119(a) to German Patent application number No. 102 53 846.8-45, filed on Nov. 15, 2002, the entire contents of which are hereby incorporated by reference.
- This disclosure relates to a device for supporting a patient, in particular, an operating table.
- Tables for supporting a patient during an operation include a table top mounted on a bearing column with the table top being held on the bearing column. The table top is transversely displaceable relative to a longitudinal axis of the table from a middle position and tiltable about a tilting axis that is parallel to the longitudinal axis of the table. A patient can be placed on the table top, and the table top can be laterally outwardly displaced from the middle position transversely to the longitudinal direction of the table, for example, while fluoroscopy is being carried out on part of the patient's body. The table top can also be tilted about the tilting axis, so that, for example, the site of an operation can be made to face the operating surgeon.
- If a laterally outwardly displaced table top is additionally tilted outwards, the table top in known operating tables projects to a great extent at the side, and the mechanical load thus acting to a large extent on one side of the operating table negatively influences the stability of the operating table. To counteract this danger, the extent of the tilting movement is restricted in dependence upon the displacement of the table top transversely to the longitudinal axis of the table. Thus, the table top, starting from its position of maximum lateral displacement, cannot be tilted at all, or only to a very slight extent, about a tilting axis extending parallel to the longitudinal axis of the table when the table top is transversely displaced from its middle position.
- A stable operating table is disclosed in which a table top of the operating table is automatically transversely displaceable during a tilting movement of the table top.
- In a first general aspect, an operating table includes a bearing column, a table top mounted on the bearing column, and a control device. The table top is displaceable from a middle position transversely to a longitudinal axis of the table and tiltable about a tilting axis that is substantially parallel to the longitudinal axis of the table. The control device automatically activates a transverse displacement of the table top in a direction towards the middle position during a tilting movement.
- The operating table may include one or more of the following features. The control device can automatically displace the table top in the direction of its middle position transversely to the longitudinal axis of the table when a predetermined critical angle is exceeded during a tilting movement. The critical angle can be predetermined as a function of the displacement of the table top from its middle position transversely to the longitudinal axis of the table. The control device can include an electronic control unit. The control unit can include a comparator element for comparing an actual tilting angle with the predetermined critical angle. The control unit can include a computing element for calculating the predetermined critical angle as a function of the displacement of the table top transversely to the longitudinal axis of the table. The control unit can include a memory element for storing critical angle values as a function of the displacement of the table top.
- In second general aspect, an operating table includes a bearing column, a table top mounted on the bearing column, where the table top is displaceable from a middle position transversely to a longitudinal axis of the table and tiltable about a tilting axis that is substantially parallel to the longitudinal axis of the table, and a means for automatically activating a transverse displacement of the table top in a direction towards the middle position during a tilting movement.
- The operating table may include one or more of the following features. The means for automatically activating a transverse displacement of the table top can automatically displace the table top in the direction of its middle position transversely to the longitudinal axis of the table when a predetermined critical angle is exceeded during a tilting movement. The critical angle can be predetermined as a function of the displacement of the table top from its middle position transversely to the longitudinal axis of the table.
- In a third general aspect, a method of supporting an operating table includes supporting a table top of the operating table on a bearing column, tilting the table top about a tilting axis that is substantially parallel to a longitudinal axis of the table, and automatically displacing the table top towards a middle position transversely to the longitudinal axis of the table during the tilting of the table top.
- The method can included one or more of the following features. The table top can be automatically transversely displaced when a predetermined critical angle is exceeded during the tilting of the table top. The critical angle can be predetermined as a function of the displacement of the table top from its middle position transversely to the longitudinal axis of the table. The method can further include measuring a tilt angle of the table top. The method can further include comparing the measured tilt angle with a predetermined critical angle. The method can further include calculating the predetermined critical angle as a function of a displacement of the table top transversely to the longitudinal axis of the table. The method can further include storing values of predetermined critical angle values as a function of the displacement of the table top.
- The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below. Other features, objects, and advantages of the invention will be apparent from the description and drawings, and from the claims.
- FIG. 1 is a perspective illustration of an operating table.
- FIG. 2 is a schematic sectional view taken along line2-2 in FIG. 1, in which the table top of the operating table is in a middle position.
- FIG. 3 is a schematic sectional view corresponding to FIG. 2, in which the table top is in a laterally displaced position.
- FIG. 4 is a schematic sectional view corresponding to FIG. 2, in which the table top is in a position in which it is laterally displaced and tilted about a tilting axis that is parallel to a longitudinal axis of the table.
- FIG. 5 is a schematic illustration of the correlation between a tilting movement and a transverse displacement of the table top.
- Like reference symbols in the various drawings indicate like elements.
- An operating table generally designated10 in a perspective illustration in FIG. 1 includes a
bearing column 12 that is adjustable in its height and supports atable top 14. Thetable top 14 is of a multipart design and includes abase segment 15 mounted on thebearing column 12. - A
leg segment 16 with twoleg plates bottom back segment 19 are attached to thebase segment 15 for swivel movement about a horizontal axis. Thebottom back segment 19 serves as a swivel mount for atop back segment 20 on which ahead plate 21 is attached for swivel movement. Alternatively, thetable top 14 can be of one-part design. The connection of thetable top 14 to thebearing column 12 can be of detachable or undetachable design. - The
base segment 15 of thetable top 14 is mounted on acolumn head 25 of thebearing column 12 for displacement transversely to thelongitudinal axis 23 of the table, so that via thebase segment 15 theentire table top 14 is laterally displaceable in the direction of double arrow 26 (i.e., transversely to alongitudinal axis 23 of the table top 14) starting from a middle position shown in FIG. 1 and FIG. 2. For this purpose, thebase segment 15 includes a drive device in the form of an electric motor (not shown). Anelectronic control unit 28 integrated into thebearing column 12 is associated with the drive device. - The
table top 14 is also tiltable about a tilting axis which is in parallel alignment with thelongitudinal axis 23 of the table, as shown in FIG. 4. Thecolumn head 25 can be raised or lowered at one side by a lifting device (not shown) to achieve a tilted position of thetable top 14. Any lifting device known for use with operating tables can be used. - When the
table top 14 is displaced from its middle position as shown in FIG. 3 and is tilted about the tilting axis parallel to thelongitudinal axis 23 of thetable top 14 beyond a predetermined critical angle, the drive device integrated into thebase segment 15 is activated by thecontrol unit 28 to cause a lateral displacement of thetable top 14. Thus, a transverse movement symbolized byarrow 31 in FIG. 4 is superimposed on the tilting movement of thetable top 14 symbolized byarrow 30 in FIG. 4 to ensure that anunlimited tilting movement 30 can be carried out independently of the respective initial position of thetable top 14. - The critical angle may be selected as a function of the displacement of the
table top 14 from its middle position transversely to thelongitudinal axis 23 of the table top. The greater the displacement, the smaller the critical angle, which, when exceeded, causes an additional transverse movement of the table top to be superimposed on the tilting movement. The drive device can include a control cam and/or a control gearing for superimposing upon a tilting movement of the table top 14 a transverse displacement occurring in the direction of its middle position when the critical angle is exceeded. - The correlation between the prevailing lateral displacement of the
table top 14 and the respective critical angle that, when exceeded, causes a transverse movement of thetable top 14 opposite to the tilting movement, is represented in a coordinate system in FIG. 5. The greater the displacement of thetable top 14 is at the start of the tilting movement, the smaller the critical angle. If the latter is exceeded, thetable top 14 is automatically displaced in the direction of its middle position shown in FIG. 2, and the transverse displacement is effected until the desired tilted position is reached. If, however, a tilting movement is effected in the direction opposite to the lateral displacement of thetable top 14, the tilting movement occurs without any additional transverse movement being activated. If, for example, starting from a maximum displacement A0, a tilting movement is to be effected in the direction facing away from the bearingcolumn 12, the tilting angle α, starting from the value 0, then reaches the critical angle αGr corresponding to the displacement A0 after a short time. If the critical angle αGr is exceeded as the tilting movement continues, this is recognized by acomparator element 33 of thecontrol unit 28, which thereupon activates the drive unit integrated into thebase segment 15, so that the table top is displaced transversely to thelongitudinal axis 23 of the table in the direction of its middle position. The critical angle αGr associated with a prevailing displacement is determined in the control unit by acomputing element 34 which precedes thecomparator element 34. The superimposed tilting and transverse movement is effected until the table top has reached the desired tilting angle α1. The displacement of thetable top 14 transversely to the longitudinal axis of the table was thereby reduced to the value A1. It is thus ensured that independently of the prevailing lateral displacement of the table top, a tilting movement does not affect the stability of the operating table 10. - The
control unit 28 includes a comparator element for comparing an actual tilting angle of thetable top 14 with the predetermined critical angle. A sensor can detect the actual tilted position of the table top and the detected angle is fed to the comparator element. If the comparator element detects that the actual tilting angle of the table top in the displaced position exceeds the predetermined critical angle, the comparator element delivers a control signal for activation of a drive unit to displace thetable top 14 transversely to thelongitudinal axis 23 of the table in the direction of its middle position. - The
control unit 28 includes a computing element for calculating a predetermined tilting angle as a function of the displacement of the table top transversely to the longitudinal axis of the table. The computing element can be provided with an algorithm for calculating the critical angle as a function of the actual position of the table top transversely to the longitudinal axis of the table. Such an algorithm is readily derivable from the relationships between such factors as the dimensions of thetable top 14, thebearing column 12, the center of mass of the table top, and the location of the tilting axis. - Alternatively, the
control unit 28 can include a memory element for storing critical angle values that are a function of the displacement of thetable top 14 transversely to thelongitudinal axis 23 of the table. When manufacturing the operating table, it is thus possible to deposit in the memory element critical angle values as a function of the lateral displacement of the table top, which can be requested during operation of the operating table 10 and compared with an actual tilting angle of the table top. - A number of embodiments of the invention have been described. Nevertheless, it will be understood that various modifications may be made. Accordingly, other embodiments are within the scope of the following claims.
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE10253846.8-45 | 2002-11-15 | ||
DE10253846A DE10253846A1 (en) | 2002-11-15 | 2002-11-15 | operating table |
Publications (1)
Publication Number | Publication Date |
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US20040148703A1 true US20040148703A1 (en) | 2004-08-05 |
Family
ID=32115573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/714,450 Abandoned US20040148703A1 (en) | 2002-11-15 | 2003-11-17 | Operating table |
Country Status (3)
Country | Link |
---|---|
US (1) | US20040148703A1 (en) |
EP (1) | EP1419756B1 (en) |
DE (2) | DE10253846A1 (en) |
Cited By (16)
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---|---|---|---|---|
WO2007021806A2 (en) * | 2005-08-10 | 2007-02-22 | Orthopedic Systems, Inc. | Medical table having controlled movement and method of use |
US7845033B2 (en) | 2005-07-28 | 2010-12-07 | The Brewer Company, Llc | Medical examination table |
CN104114058A (en) * | 2012-01-26 | 2014-10-22 | 美国消毒公司 | Femur support for a medical table |
US8997286B2 (en) | 2009-09-30 | 2015-04-07 | Maquet Gmbh & Co. Kg | Adapter for connecting at least one accessory device to an operating table |
US8997281B2 (en) | 2012-03-23 | 2015-04-07 | Trumpf Medizin Systeme Gmbh + Co. Kg | Operating table top assemblies and related devices |
US9038216B2 (en) | 2005-07-28 | 2015-05-26 | The Brewer Company, Llc | Medical examination table |
USD736390S1 (en) * | 2013-08-28 | 2015-08-11 | Samsung Electronics Co., Ltd. | Patient table |
USD736934S1 (en) * | 2013-08-28 | 2015-08-18 | Samsung Electronics Co., Ltd. | Patient table |
USD748804S1 (en) * | 2013-11-13 | 2016-02-02 | Siemens Aktiengesellschaft | Patient table |
US9289343B2 (en) | 2012-03-23 | 2016-03-22 | Trumpf Medizin Systeme Gmbh + Co. Kg | Resilient side rails for medical tables |
USD774195S1 (en) * | 2011-11-23 | 2016-12-13 | General Electric Company | Medical imaging system table |
USD855189S1 (en) * | 2016-08-30 | 2019-07-30 | Siemens Healthcare Gmbh | Patient table |
USD865971S1 (en) | 2016-08-29 | 2019-11-05 | Siemens Healthcare Gmbh | Patient table |
CN113382036A (en) * | 2020-03-10 | 2021-09-10 | 通快医疗系统两合公司 | Operating table data transmission system |
US11273090B2 (en) | 2018-11-29 | 2022-03-15 | Trumpf Medizin Systeme Gmbh + Co. Kg | Operating table and method for operating the operating table |
USD954964S1 (en) * | 2018-07-27 | 2022-06-14 | United Metal Fabricators, Inc. | Medical examination table |
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US7992239B2 (en) | 2007-08-20 | 2011-08-09 | Hill-Rom Services, Inc. | Laterally rotating patient support apparatus |
US9693915B2 (en) | 2009-04-30 | 2017-07-04 | Hill-Rom Services, Inc. | Transfer assist apparatus |
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- 2003-10-10 DE DE50308102T patent/DE50308102D1/en not_active Expired - Lifetime
- 2003-11-17 US US10/714,450 patent/US20040148703A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
DE10253846A1 (en) | 2004-06-03 |
EP1419756B1 (en) | 2007-09-05 |
DE50308102D1 (en) | 2007-10-18 |
EP1419756A1 (en) | 2004-05-19 |
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