WO2001049234A1 - Table d'examen utilisee dans le cadre du diagnostic - Google Patents

Table d'examen utilisee dans le cadre du diagnostic Download PDF

Info

Publication number
WO2001049234A1
WO2001049234A1 PCT/SE2000/002654 SE0002654W WO0149234A1 WO 2001049234 A1 WO2001049234 A1 WO 2001049234A1 SE 0002654 W SE0002654 W SE 0002654W WO 0149234 A1 WO0149234 A1 WO 0149234A1
Authority
WO
WIPO (PCT)
Prior art keywords
manoeuvring
tabletop
examination table
grip
grips
Prior art date
Application number
PCT/SE2000/002654
Other languages
English (en)
Inventor
Carl-Eric Ohlson
Patrik Grambo
Original Assignee
Ao:S Metall & Mek. Verkstads Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ao:S Metall & Mek. Verkstads Ab filed Critical Ao:S Metall & Mek. Verkstads Ab
Publication of WO2001049234A1 publication Critical patent/WO2001049234A1/fr

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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

Definitions

  • the present invention relates to an examination table for diagnostics with the aid of X-rays, ultrasound, magnetic resonance imaging or like aids, and more specifically to the type of diagnostical examination table defined in the preamble of Claim 1.
  • examination tables for diagnostic purposes have been developed from a simple type of table that consisted generally in an X-ray permeable tabletop supported on four fixedly mounted legs or wheeled legs to an advanced motorised unit.
  • This unit is normally provided with a so-called floating tabletop, i.e. a top that can be moved in a horizontal plane so as to position a patient supported by the table relative to a beam source, and an image receptor for conventional analogue film systems or for digital systems connected to computerised image processing and filing system.
  • the front side and rear side of the tabletop include profiled sections that allow necessary mounting of the tabletop for movement in the longitudinal direction of the table. These profiled sections are also used for the application of various auxiliary devices, such as manoeuvring devices, objective lens supports, compression units, etc.
  • the manoeuvring devices may comprise one or more manoeuvring handles and a manoeuvring box, often integrated to form a single unit.
  • the manoeuvring handle allows the tabletop to be released from a locked position, so as to enable the patient to be positioned relative to the beam source.
  • Certain types of manoeuvring handles can be placed selectively along the table profiled sections and fixed while taking practical and ergonomic requirements into account.
  • the table may also include a manoeuvring box that includes button-operated functions for adjusting height movement of the table, or functions regarding the unit that supports the beam source.
  • manoeuvring handles or manoeuvring devices has the disadvantage of hindering transfer of a patient to and from the table.
  • the use of such handles or devices that can be swung away or lowered constitutes an expensive feature combination and also makes the work involved more time-consuming.
  • the table In order to eliminate the risk of a patient unintentionally releasing the tabletop for movement in the horizontal plane, should the patient, e.g., use the tabletop as a means of support when settling himself thereon or when using the tabletop as a support in order to stand on the floor, the table includes a superordinate latching function which overrides the automatic release of latching devices and which ensures that the table will remain fixed in a set position until the override function is disengaged, this being a safety factor both with respect to the patient and the operator in the vicinity of the table.
  • Such disengagement may be effected with the aid of a separate electric contact that is inaccessible to the patient and that is not activated by the operator until the patient is in place and the operator has full control of the situation.
  • the disengagement means for the latch function override shall be positioned so that it cannot be reached by a patient present on the table.
  • DE-Al-43 17 264 (Siemens) describes an examination table of essentially the same kind as the table defined in the preamble of Claim 1 and having a superordinate latching device that cannot be reached by a patient present on the table.
  • This superordinate device has the form of a recess or cut-out situated furthest down in the table mounting base and adjacent the floor, where the person manoeuvring the table is able to insert a foot and therewith break a beam of light and thus disengage the superordinate latching function.
  • the releasable latching devices that function to hold the table releasably fixed in alternative set positions relative to the table frame have the form of a coupling device located immediately beneath the tabletop in the upper end of the table pedestal or mounting base. This coupling device is thus very difficult for the personnel concerned to reach, unless he/she is in the immediate vicinity of the device.
  • EP-A2-0 923 922 (Bradcovich) describes a combined operating and examination table, particularly intended for heart surgery.
  • the table has a number of drive functions, partly for displacing the table in different directions in the horizontal plane and partly for tilting the table longitudinally and laterally. These drive functions are intended to facilitate complicated surgical operations.
  • the table also includes a number of latching devices which are intended to prevent certain longitudinal movements of the table when it is in a tilted position. Disposed discontinuously along the side edges of the table are rails which are intended solely to carry respective devices for controlling and manoeuvring the various drive and brake functions of the table, and are not intended to be used as manoeuvring handles.
  • US-A-3,967,126 (Otto), US-A-4,205,233 (Craig et al) and US-A-5,077,780 (Lee) disclose further examples of known X-ray table units.
  • One object of the present invention is to provide an examination table of the kind defined in the introduction where the tabletop can be positioned quickly, readily and flexibly in the horizontal and/or vertical plane with the aid of simple means and with attention to ergonomic requirements.
  • Another object of the invention is to provide an examination table in which the risk of injury to patient and/or operating personnel in conjunction with movement of the table between table settings is greatly reduced or eliminated entirely.
  • a further object of the invention is to provide an examination table that enables the operator to attend to the patient in conjunction with table adjustment movements, e.g. to comfort or calm the patient as the setting of the table is adjusted.
  • the operator can initially place himself in a position in which he is able to touch the patient with one hand, for instance to calm down the patient or to adjust his/her attitude on the tabletop, whilst manoeuvring the tabletop to a desired position in relation to the beam source with his other hand.
  • the tabletop latching means and/or the functions of the table manoeuvring grips will preferably co-act with indicators which confirm to the operator that the function concerned has been activated, this confirmation being given either optically and/or acoustically for example. It also lies within the scope of the present invention to provide the long sides of the tabletop with a selectively designed manoeuvring grip, the manoeuvring function of which is either activated in a contactless fashion or in response to an intentional touch, so as to activate release of the floating movement of the tabletop in the horizontal plane and/or in the vertical plane for height movement of the tabletop.
  • the side-edge profile of the tabletop may have a generally U-shape or fork-shape in cross-section, wherewith an upper leg of said profile forms the manoeuvring grip and an underlying leg forms an anti-pinch part in respect of the operator's fingers for instance.
  • the space defined between said legs may also serve as a beam passageway, e.g. an IR beam, for detection by a sensor in one end of the table profile and for release of the tabletop latching devices when a finger is inserted into said space and therewith blocks the passage of the beam.
  • a beam passageway e.g. an IR beam
  • the space defined between said legs may accommodate a touchable electric contact strip which functions to cause release of the tabletop latching devices when activated.
  • the manoeuvring grip may also include a moveable profile section which, through the medium of electromechanical means, manoeuvres the height movement of the table, preferably in the same direction as that in which the moveable profile part is actuated.
  • the manoeuvring grip includes means for blocking collision of table movement in a vertical direction.
  • the collision blocking means may be adapted for contactless activation, e.g. by means of an underlying and/or overlying IR beam for blocking downward and upward movement of the table respectively.
  • the manoeuvring grip may be provided with a spring-back part for upward and/or downward vertical movement and adapted to activate a signal for collision blocking of the table.
  • the invention also relates to a manoeuvring unit that can be fitted to an existing examination table and which includes one or more of the aforesaid devices and associated functions, including means for blocking table movement.
  • Fig. 1 is a schematic perspective view of the main parts of a diagnostic examination table and illustrates the possibilities of displacing the tabletop in different directions, although the profiled side parts and manoeuvring grips according to the invention have been excluded from the figure, together with other features.
  • Fig. 2 is an end view of the tabletop of the examination table shown in Fig. 1, after having removed the tabletop from the table stand and providing the tabletop with a number of elements in accordance with the invention.
  • Fig. 3 is a plan view of one end part of the tabletop shown in Fig. 2.
  • Fig. 4 is an end view of a tabletop that includes alternatively designed side profiles.
  • the reference numeral 1 identifies an examination table for diagnostics with the aid of X-rays, ultrasound, magnetic resonance imaging or corresponding means.
  • the table 1 includes a frame 2 for vertical movement of a tabletop 3, the general movement patterns of which are shown in the figure.
  • Bearing means in the form of ball-bearing rollers 5 are disposed between the frame 2 and the tabletop 3, for movement of the table in its longitudinal direction relative to the frame, and corresponding bearing means 6 are provided for transverse movement of the table.
  • the bearing means 5, 6 are disposed in metal side profiles 4 extending along the side edges of the tabletop 3.
  • the bearing devices 5, 6 co-act with releasable latching devices, e.g. slip magnets, 7, 8 that hold the table releasably fixed in alternative positional settings relative to the frame.
  • releasable latching devices e.g. slip magnets, 7, 8 that hold the table releasably fixed in alternative positional settings relative to the frame.
  • Figs. 2 and 3 illustrate manoeuvring grips or handle parts 10 that extend essentially along the full length of the longitudinal side profiles of the tabletop and which can be gripped by an attendant or operator for moving the tabletop and the patient supported thereon to a desired position relative to a beam source (not shown).
  • the operator shall thus be able to easily reach the manoeuvring grip 10 for displacement of the tabletop, regardless of his position along the sides of the examination table.
  • the manoeuvring grip has the form of a generally round profile section at the outer extremity of the side profile 4. Located inwardly of this outer extremity is an opening 11 which also extends along the full length of the tabletop. The operator can thus insert the four fingers of one hand into the opening 11 and grip around the manoeuvring grip 10 so as to be able to move the table in a desired manner.
  • the latching devices 7, 8 of the bearing devices 5, 6 are automatically released in conjunction therewith, so as to enable the tabletop 3 to be moved in its longitudinal and/or transversal direction.
  • a beam source located at one end of the table sends an IR beam 9 in a direction towards the other end of the table.
  • the beam 9 passes in the region of the opening 11 in the side profile of the table, meaning that the beam will be broken as the operator inserts his fingers into the opening. Breaking of the movement path of the IR beam activates an electric function that releases said latching devices 7, 8.
  • a signal contact 16 in the form of a flip-flop for manoeuvring movement of the tabletop 3 vertically in relation to the frame.
  • the state of the microswitch 16, i.e. the flip-flop, for initiating upward movement of the table is shown in the circle A, whereas the state of the flip-flop subsequent to finger actuation of downward movement of the table is shown in the other circle B.
  • the latching devices are thus released automatically for horizontal movement of the table in conjunction with the operator gripping the manoeuvring grip 10 and therewith inserting his fingers into the opening 11, whereas desired vertical movement of the table is initiated by finger actuation of the flip-flop 16.
  • a superordinate latching device 20 which overrides the automatic release of the aforesaid latching devices and the latching function of which ensures fixation of the tabletop 3 in its set position until the superordinate function is disengaged.
  • Such disengagement can only be effected by the operator, for instance through the medium of a pedal located at a distance from the table.
  • the tabletop latching devices 7, 8 and the manoeuvring functions of the manoeuvring grips 10, 11 co-act with indicating means 22 which confirm to the operator, either optically and/or acoustically, that the function in question has been activated. The operator thereby obtains immediately information that shows that tabletop can be moved in the desired direction.
  • the side profiles 4 have a generally side-facing U-shape, a reversed C-shape or a forked-shape including upper and lower legs 4a, 4b.
  • Disposed in the manoeuvring grip 10 are upper and lower contact strips 25, 26 which, when touched, initiate upward or downward movement of the tabletop.
  • an IR beam 9 passes in the region of the opening 11.
  • the beam is broken when the operator grips the grip 10 and, at the same time, inserts his fingers into the opening 11.
  • the lower leg 4b forms a guard against pinching or trapping of the operator's fingers.
  • the manoeuvring grip 10 may include a profile part (not shown) which is moveable in the side profile 4 and which manoeuvres height or vertical movement of the table, preferably in the same direction as that in which the moveable profile part is actuated, through the medium of electromechanical means.
  • the manoeuvring grip 10, 11 is also provided with collision-blocking means 25 for blocking vertical movement of the table 1.
  • This blocking means is adapted for contactless activation by means of an underlying and an overlying IR beam. If an obstacle enters the vertical movement path of the table, the IR beam is broken and movement of the table blocked immediately, thereby enabling potential damage or injury to be avoided.
  • the manoeuvring grip 10, 11 may also include a spring-back part for vertical upward and/or downward movement. A signal for blocking collision of the table can thereby be activated.
  • a tabletop according to the present standpoint of techniques i.e. side profiles of standard design lacking a manoeuvring grip can be reconstructed to an inventive examination table relatively easily.
  • a manoeuvring unit that can be fitted to a tabletop of the kind described and that includes side profiles constructed in accordance with the invention and one or more of the aforedescribed functions and including means for blocking the table.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

Une table d'examen (1) utilisée à des fins de diagnostic au moyen de rayons X, d'ultrasons, de résonance magnétique ou autre, comprend un châssis (2) et un plateau (3) qui peut être orienté relativement au châssis dans un plan horizontal et vertical. Le plateau comporte des profilés latéraux (4) s'étendant longitudinalement dont les extrémités externes ont la forme de poignées (10, 11) de manoeuvre. Ces derniers s'étendent sur toute la longueur du plateau, ce qui les rend facilement accessibles quelle que soit la position du moment d'un opérateur. Les poignées (10, 11) de manoeuvre sont prévues pour co-agir avec des dispositifs de détection (12-15) mécaniques, électriques, magnétiques ou optiques afin de libérer des dispositifs (7, 8) de blocage utilisés pour fixer le plateau automatiquement lorsque les doigts de l'opérateur approchent ou touchent une poignée (10, 11) de manoeuvre. L'invention concerne également une unité de manoeuvre qui peut être installée sur une table d'examen existante.
PCT/SE2000/002654 1999-12-30 2000-12-22 Table d'examen utilisee dans le cadre du diagnostic WO2001049234A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9904852A SE521768C2 (sv) 1999-12-30 1999-12-30 Undersökningsbord med manöverorgan
SE9904852-2 1999-12-30

Publications (1)

Publication Number Publication Date
WO2001049234A1 true WO2001049234A1 (fr) 2001-07-12

Family

ID=20418367

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2000/002654 WO2001049234A1 (fr) 1999-12-30 2000-12-22 Table d'examen utilisee dans le cadre du diagnostic

Country Status (2)

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SE (1) SE521768C2 (fr)
WO (1) WO2001049234A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005015795A1 (de) * 2005-04-06 2006-10-19 Siemens Ag Geräteschutz für Hubeinheit
EP2984989A1 (fr) * 2014-08-13 2016-02-17 Samsung Electronics Co., Ltd. Système d'imagerie anatomique à table de balayage mobile le long de l'axe x et/ou table de balayage mobile le long de l'axe y et de l'axe z

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967126A (en) * 1975-02-20 1976-06-29 American Radiologic Systems Inc. X-ray apparatus having table with improved top
US4205233A (en) * 1978-11-22 1980-05-27 Raytheon Company Automatic bucky lock
US4761000A (en) * 1987-04-07 1988-08-02 American Sterilizer Company Surgical table having horizontally displaceable tabletop
US5077780A (en) * 1990-11-23 1991-12-31 Lee Jr James G Flat top radiographic table
DE4317264A1 (de) * 1993-05-24 1994-12-01 Siemens Ag Medizinisches Gerät mit einem Sockel, der eine Lagerungsplatte verstellbar trägt
US5475885A (en) * 1992-10-22 1995-12-19 Kabushiki Kaisha Toshiba Couch system for x-ray diagnosis
EP0923922A2 (fr) * 1997-12-18 1999-06-23 Stille-Beta, Inc. Table pour salle d'opération améliorée

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967126A (en) * 1975-02-20 1976-06-29 American Radiologic Systems Inc. X-ray apparatus having table with improved top
US4205233A (en) * 1978-11-22 1980-05-27 Raytheon Company Automatic bucky lock
US4761000A (en) * 1987-04-07 1988-08-02 American Sterilizer Company Surgical table having horizontally displaceable tabletop
US5077780A (en) * 1990-11-23 1991-12-31 Lee Jr James G Flat top radiographic table
US5475885A (en) * 1992-10-22 1995-12-19 Kabushiki Kaisha Toshiba Couch system for x-ray diagnosis
DE4317264A1 (de) * 1993-05-24 1994-12-01 Siemens Ag Medizinisches Gerät mit einem Sockel, der eine Lagerungsplatte verstellbar trägt
EP0923922A2 (fr) * 1997-12-18 1999-06-23 Stille-Beta, Inc. Table pour salle d'opération améliorée

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005015795A1 (de) * 2005-04-06 2006-10-19 Siemens Ag Geräteschutz für Hubeinheit
DE102005015795B4 (de) * 2005-04-06 2008-02-14 Siemens Ag Geräteschutz für Hubeinheit
US7971295B2 (en) 2005-04-06 2011-07-05 Siemens Aktiengesellschaft Protection for a lifting unit
EP2984989A1 (fr) * 2014-08-13 2016-02-17 Samsung Electronics Co., Ltd. Système d'imagerie anatomique à table de balayage mobile le long de l'axe x et/ou table de balayage mobile le long de l'axe y et de l'axe z
US9986954B2 (en) 2014-08-13 2018-06-05 Samsung Electronics Co., Ltd. Anatomical imaging system with scanning table movable along the X-axis and/or scanning table movable along the Y-axis and the Z-axis
US11457881B2 (en) 2014-08-13 2022-10-04 Samsung Electronics Co., Ltd. Anatomical imaging system with scanning table movable along the X-axis and/or scanning table movable along the Y-axis and the Z-axis

Also Published As

Publication number Publication date
SE9904852D0 (sv) 1999-12-30
SE521768C2 (sv) 2003-12-02
SE9904852L (sv) 2001-07-01

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