US3240935A - Tiltable x-ray examination table structure - Google Patents

Tiltable x-ray examination table structure Download PDF

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Publication number
US3240935A
US3240935A US280957A US28095763A US3240935A US 3240935 A US3240935 A US 3240935A US 280957 A US280957 A US 280957A US 28095763 A US28095763 A US 28095763A US 3240935 A US3240935 A US 3240935A
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United States
Prior art keywords
axis
lever
tilting
tilt
tiltable
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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 - Lifetime
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US280957A
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English (en)
Inventor
Dougall John
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Associated Electrical Industries Ltd
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Associated Electrical Industries Ltd
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    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • 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

Definitions

  • the table may be tiltable about a transverse axis between a vertical tilting limit in which it is inclined vertically upright and a reverse tilting limit in which it has a reverse inclination.
  • the height of the tilting axis has to be sufi'icient to ensure that the lowering end of the table remains clear of the floor during tilting: the height of the axis is therefore a function of the distance between it and the table end, and for this reason the table may be arranged for forward and reverse tilting about ditferent axes respectively nearer the opposite ends of the table.
  • An object of the invention is to provide an improved tiltable table arrangement which permits the foregoing desiderata to be more nearly satisfied as regards horizontal table height, distance below table at which an X-ray tube or other equipment can be mounted, and rise of table at an intermediate position on tilting-
  • a tiltable table structure in which the table is pivoted about a transverse tilting axis on a support lever which is itself pivoted about another axis preferably also transverse to the table and horizontally further from one end of the table than is the tilting axis, namely so that the distance of the lever axis from that end of the table, measured horizontally when the table is horizontal, is greater than that of the tilting axis from that end.
  • Means is provided for tilting the table forward about its axis on the lever so that one end swings down (being the end already referredto when the lever axis is transverse) and further means effective at least during the later part of the forward tilting is provided for pivoting the lever about its axis in such sense as to raise the tilting axis.
  • the forward tilting takes place accompanied at least in the later stages by a raising of the tilting axis.
  • the tilting can be continued because the raising of the tilting axis can keep the table and under-mounted equipment clear of the floor.
  • the tilting axis can be lower than it could have been if fixed, so that the table can also be lower. Also the tilting axis can be further from the lowering end of the table than would otherwise be the case, so that the rise of the table at anintermediate position in its length (such as would cor-respond for instance to a chest examining position of an X-ray table viewing screen) will be commensurately less for a given angle of tilt.
  • the raising of the table axis by the pivoting of the lever' will be accompanied by a reduction of the distance between the two axes as measured horizontally, an eflect which becomes more pronounced as the table comes nearer to its vertical position.
  • This has the effect of drawing in the table towards the position of the lever axis so that, in the case of an X-ray table for instance, less end wall clearance will be required to permit frontal observation of a viewing screen when the table has been forwardly tilted to or near the vertical. Also less change of position is required of the operator between the horizontal and vertical table positions.
  • While the means for tilting the table and pivoting the lever about their respective axes may have separate prime movers, for instance separate pneumatic or hydraulic jacks, it is possible and advantageous to have a single jack or other prime mover acting on both through suitable mechanical linkage. Co-ordination of the operation of the two means can also be achieved by such a linkage: for instance a link actuated by forward tilting of the table may itself actuate a secondary lever which, at least after a predetermined table inclination has been reached (for instance an inclination such that the lowering end of the table or an under-mounted equipment is closely approaching the floor), acts on the main lever so as to cause it to pivot about its axis and thereby start to raise the table axis.
  • a link actuated by forward tilting of the table may itself actuate a secondary lever which, at least after a predetermined table inclination has been reached (for instance an inclination such that the lowering end of the table or an under-mounted equipment is closely approaching the floor), acts on the main lever
  • the secondary lever may be pivoted to the main lever and may, at a predetermined point in the tilting, engage an abutment which, by its reaction on the secondary lever combined with the actuating force in the link referred to, causes the required pivotal movement of the main lever.
  • FIG. 1 is a general perspective rear view of a tiltable X-ray table structure embodying the invention
  • FIGS. 2-5 are front views showing the tilting mechanism of the table in various positions.
  • FIG. 2 shows the mechanism in the horizontal position of the table
  • FIG. 3 shows it with the table in a partially forwardly inclined position
  • FIG. 4 with the table tilted fully forward to a vertical position
  • FIG. 5 with the table tilted to the limit of its reverse tilt.
  • FIG. 1 shows the general arrangement of a tiltable X-ray table structure embodying the invention.
  • the table 1 shown in its horizontal position is fully cantilevered and is supported only at the rear, where it has an attachment bracket 2 (FIG. 2) connected to a supporting and tilting mechanism housed in a pedestal 3.
  • the support 7 is mounted on a structure (indicated in outline only) which extends through a slot 9 in the rear of the table structure 1.
  • This structure 10 carries an undertable X- ray tube 11 in vertical alignment beneath the screen 5 and is rail-mounted for movement transversely of the table on a carriage (not shown) which is itself rail-mounted beneath the table top for movement lengthwise of the table.
  • the structure 10 can therefore be adjusted in position both transversely and longitudinally of the table, taking the X-ray tube 11 and screen structure 4 with it.
  • the assembly 4-5-7-1041 tilts with the table.
  • the screen structure 4 can be removed by raising it so as to extract its telescopic legs 6 from their sockets in the support 7, it being contemplated that for this purpose an overhead gantry may be provided running on rails so as to permit the structure 4 to be moved completely clear of the table top.
  • a further gantry on the same rails may carry an over-table X-ray tube which, with the screen structure 4 removed, can be brought into vertical alignment with a rail-mounted film cassette carriage (not shown) provided beneath the table top and movable along the length of the table.
  • a rail-mounted film cassette carriage (not shown) provided beneath the table top and movable along the length of the table.
  • gantria provided as aforesaid for the screen structure 4 and an over-table X-ray tube it is contemplated that these items of equipment may be left suspended from their gantries while in use over the table, being counter-balanced through their supsensions to facilitate height adjustment.
  • the front side of the table is completely clear of obstructions which could hinder or inconvenience operating staff at work. Also with the structure 4 removed access to the top of the table from the rear is virtually unobstructed.
  • FIGS. 2-5 the screen structure 4 has been shown in a position approximating to that which it would occupy for chest examination.
  • the under-table X-ray tube 11 and its supporting structure 10 have been omitted from these figures, but the extreme position of'the X-ray tube 11 at the limit of movement of the assembly 4-5- 7-10-11 towards the foot end of the table has been indicated at 11'.
  • the tilting mechanism has to ensure that with the tube in this extreme position it Will not foul the floor if the table is tilted forward to its vertical up right position.
  • the attachment bracket 2 by which the table is carried is pivotally mounted on a tilting axis a near one end of a main lever 12, which near its other end is itself pivotally mounted in the pedestal 3 on a fixed axis b.
  • a piston operated ram 13 is pivtoally secured at its outer end to the bracket 2 at a position (0) such that on extension of the ram a turning moment about the axis a will be applied to the bracket 2 such as to tilt the table in the forward direction.
  • the rear end of a hydraulic or pneumatic cylinder 14 accommodating the operating piston for the ram 13 is pivotally secured in the pedestal 3 on a fixed axis d.
  • Link 17 is pivoted at one end to bracket 2 and is pivoted at its other end to secondary lever 15. The disposition of this link is such that during forward tilting it is actuated from the bracket 2 and urges the lever 15 in a clockwise direction about the axis e.
  • the forward tilting action is as follows. Starting in the position shown in FIG. 1 admission of pressure to the cylinder 14 so as to extend the ram 13 results in movement of the various parts of the mechanism according to the arrow-headed full lines.
  • the bracket 2, and with it the table 1, begin to be tilted forward about axis a.
  • the various parts of the mechanism have the relative dispositions shown in FIG. 3, and it is arranged that this occurs when the under-table X-ray tube 11, if in its extreme position 11', is just clear of the floor 19.
  • the front end of the table is also still clear of the floor.
  • Both forward and reverse tilting can of course be stopped and held at any intermediate inclination.
  • a tiltable X-ray examination table structure comprising a support base; a table; a support lever on which the table is pivotally mounted about a transverse tilt axis and which is itself pivoted on said support base about another axis; a linearly extensible operating member acting between said support base and the table, said operating member being coupled to the table at a point spaced from said tilt axis and being actuatable to tilt the table in a forward direction of rotation about the tilt axis; and a coordinating mechanical linkage connected between the table and support lever comprising a secondary lever connected to the support lever at a point removed from its pivot axis on the support base and a link connecting this secondary lever to a point on the table removed from said tilt axis, said link being responsive to tilting of the table in the forward direction to actuate the secondary lever and cause it, at least after a predetermined inclination of the table has been reached, to pivot the support lever about its pivot axis on the support base in such sense as to raise said tilt axis.
  • a tiltable X-ray examination table structure comprising a support base; a table; a support lever on which the table is pivotably mounted about -a transverse til-t axis and which is itself pivoted on said support base about another axis; a linearly extensible operating member acting approximately parallel to the support lever and having pivotal connections by which it is connected between a fixed point on the said support base and a point of connection to the table so located in relation to said tilt axis as to permit tilting of the table in a forward direction of rotation from a horizontal position by variation of the effective length of said operating member in one sense; a secondary lever pivoted to the support lever at an intermediate point on each of these levers; a link connected between one end of the secondary lever and a point of connection to the table so located in relation to said tilt axis that tilting of the table in said forward direction will cause the link to produce pivotal movement of the secondary lever in the sense to move the other end of this secondary lever downwardly; and a generally horizontal abutment surface on said support base

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
US280957A 1962-05-18 1963-05-16 Tiltable x-ray examination table structure Expired - Lifetime US3240935A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB19303/62A GB965492A (en) 1962-05-18 1962-05-18 Improvements relating to tiltable table structures

Publications (1)

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US3240935A true US3240935A (en) 1966-03-15

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US280957A Expired - Lifetime US3240935A (en) 1962-05-18 1963-05-16 Tiltable x-ray examination table structure

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US (1) US3240935A (enrdf_load_stackoverflow)
GB (1) GB965492A (enrdf_load_stackoverflow)
NL (1) NL292956A (enrdf_load_stackoverflow)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302022A (en) * 1964-03-24 1967-01-31 Liebel Flarsheim Company Divis Vertically and horizontally adjustable rotatable urological X-ray table
US3848132A (en) * 1972-12-20 1974-11-12 Picker Corp Patient rotator and method of conducting x-ray studies
US4592695A (en) * 1984-10-19 1986-06-03 Mcconnell Sylvia J Shampoo lift for a wheelchair
US4603845A (en) * 1983-04-18 1986-08-05 U.S. Philips Corporation X-ray unit which can be swivelled about a horizontal axis
US4761000A (en) * 1987-04-07 1988-08-02 American Sterilizer Company Surgical table having horizontally displaceable tabletop
US4866998A (en) * 1985-09-20 1989-09-19 Temple University Of The Commonwealth System Of Higher Education Medical examination table with probe holder
FR2670097A1 (fr) * 1990-12-07 1992-06-12 Morin Francois Table a hauteur variable pour utilisation medicale, paramedicale ou animaliere.
US5361436A (en) * 1992-09-02 1994-11-08 Siemens Aktiengesellschaft Patient support apparatus for medical examinations
US5475885A (en) * 1992-10-22 1995-12-19 Kabushiki Kaisha Toshiba Couch system for x-ray diagnosis
FR2751210A1 (fr) * 1996-07-16 1998-01-23 Batifouye Jean Roger Lit ou table d'examens a basculement sagittal
EP0847740A1 (fr) * 1996-11-13 1998-06-17 Jean Roger Batifouyé Lit ou table d'examen à basculement sagital
US6152599A (en) * 1998-10-21 2000-11-28 The University Of Texas Systems Tomotherapy treatment table positioning device
US20050028280A1 (en) * 2003-08-08 2005-02-10 Shin Nakamura Radiotherapeutic bed apparatus
US20100263120A1 (en) * 2009-04-17 2010-10-21 William Beattie Kelly Pedestal End For Patients Bed
CN102613984A (zh) * 2012-03-31 2012-08-01 山东新华医疗器械股份有限公司 双电动推杆式x射线数字胃肠机
US20130312179A1 (en) * 2011-02-14 2013-11-28 Koninklijke Philips N.V. Bed apparatus having movable heater assembly
CN104853709A (zh) * 2012-12-11 2015-08-19 皇家飞利浦有限公司 用于使婴儿护理医疗装置倾斜的方法和系统
US20150327818A1 (en) * 2014-05-15 2015-11-19 Buck Engineering & Consulting Gmbh Positioning Device for Patients
CN108408906A (zh) * 2018-05-17 2018-08-17 北京博汇特环保科技股份有限公司 污水处理系统
WO2021080408A1 (es) * 2019-10-23 2021-04-29 Bricio Arzubide Alvaro Fabian Cama en cantiléver de movimiento multidireccional

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK152642C (da) * 1977-02-23 1988-08-22 Munch Moebler A S Arbejdsbord, hvis bordplade kan indstilles i forskellige hoejder og/eller haeldninger.
US6269499B1 (en) * 1999-06-29 2001-08-07 General Electric Company Multi-axis planar mechanism for a positioner patient platform
US6407770B1 (en) 1999-08-19 2002-06-18 General Electric Company Apparatus and method for detecting defects in a discrete picture element detector circuit
US6492802B1 (en) 2000-07-14 2002-12-10 Ge Medical Technology Services, Inc. Apparatus and method for detecting defects in a multi-channel scan driver

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2568236A (en) * 1948-01-26 1951-09-18 Gen Electric Tilting cantilever table top structure
US2680046A (en) * 1950-06-03 1954-06-01 Picker X Ray Corp Waite Mfg X-ray table tilting mechanism
US2872584A (en) * 1955-12-27 1959-02-03 Picker X Ray Corp Waite Mfg X-ray apparatus
US3069543A (en) * 1960-10-07 1962-12-18 Chirana Praha Tiltable wall or table as used in x-ray examinations

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2568236A (en) * 1948-01-26 1951-09-18 Gen Electric Tilting cantilever table top structure
US2680046A (en) * 1950-06-03 1954-06-01 Picker X Ray Corp Waite Mfg X-ray table tilting mechanism
US2872584A (en) * 1955-12-27 1959-02-03 Picker X Ray Corp Waite Mfg X-ray apparatus
US3069543A (en) * 1960-10-07 1962-12-18 Chirana Praha Tiltable wall or table as used in x-ray examinations

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302022A (en) * 1964-03-24 1967-01-31 Liebel Flarsheim Company Divis Vertically and horizontally adjustable rotatable urological X-ray table
US3848132A (en) * 1972-12-20 1974-11-12 Picker Corp Patient rotator and method of conducting x-ray studies
US4603845A (en) * 1983-04-18 1986-08-05 U.S. Philips Corporation X-ray unit which can be swivelled about a horizontal axis
US4592695A (en) * 1984-10-19 1986-06-03 Mcconnell Sylvia J Shampoo lift for a wheelchair
US4866998A (en) * 1985-09-20 1989-09-19 Temple University Of The Commonwealth System Of Higher Education Medical examination table with probe holder
US4761000A (en) * 1987-04-07 1988-08-02 American Sterilizer Company Surgical table having horizontally displaceable tabletop
FR2670097A1 (fr) * 1990-12-07 1992-06-12 Morin Francois Table a hauteur variable pour utilisation medicale, paramedicale ou animaliere.
US5361436A (en) * 1992-09-02 1994-11-08 Siemens Aktiengesellschaft Patient support apparatus for medical examinations
US5475885A (en) * 1992-10-22 1995-12-19 Kabushiki Kaisha Toshiba Couch system for x-ray diagnosis
FR2751210A1 (fr) * 1996-07-16 1998-01-23 Batifouye Jean Roger Lit ou table d'examens a basculement sagittal
EP0847740A1 (fr) * 1996-11-13 1998-06-17 Jean Roger Batifouyé Lit ou table d'examen à basculement sagital
US6634790B1 (en) 1998-10-21 2003-10-21 The University Of Texas System Tomotherapy treatment table positioning device
US6152599A (en) * 1998-10-21 2000-11-28 The University Of Texas Systems Tomotherapy treatment table positioning device
US20050028280A1 (en) * 2003-08-08 2005-02-10 Shin Nakamura Radiotherapeutic bed apparatus
US7181792B2 (en) * 2003-08-08 2007-02-27 Hitachi, Ltd. Radiotherapeutic bed apparatus
US8499378B2 (en) * 2009-04-17 2013-08-06 Maxi-Care Promotions Pty. Ltd. Pedestal end for patients bed
US20100263120A1 (en) * 2009-04-17 2010-10-21 William Beattie Kelly Pedestal End For Patients Bed
US20130312179A1 (en) * 2011-02-14 2013-11-28 Koninklijke Philips N.V. Bed apparatus having movable heater assembly
US9333140B2 (en) * 2011-02-14 2016-05-10 Koninklijke Philips N.V. Bed apparatus having movable heater assembly
CN102613984A (zh) * 2012-03-31 2012-08-01 山东新华医疗器械股份有限公司 双电动推杆式x射线数字胃肠机
CN104853709A (zh) * 2012-12-11 2015-08-19 皇家飞利浦有限公司 用于使婴儿护理医疗装置倾斜的方法和系统
US20150328074A1 (en) * 2012-12-11 2015-11-19 Koninklijke Philips N.V. Method and system for tilting an infant-care medical device
US9801770B2 (en) * 2012-12-11 2017-10-31 Koninklijke Philips N.V. Method and system for tilting an infant-care medical device
CN104853709B (zh) * 2012-12-11 2019-12-24 皇家飞利浦有限公司 用于使婴儿护理医疗装置倾斜的方法和系统
US20150327818A1 (en) * 2014-05-15 2015-11-19 Buck Engineering & Consulting Gmbh Positioning Device for Patients
CN108408906A (zh) * 2018-05-17 2018-08-17 北京博汇特环保科技股份有限公司 污水处理系统
WO2021080408A1 (es) * 2019-10-23 2021-04-29 Bricio Arzubide Alvaro Fabian Cama en cantiléver de movimiento multidireccional

Also Published As

Publication number Publication date
GB965492A (en) 1964-07-29
NL292956A (enrdf_load_stackoverflow)

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