EP2756833B1 - Operating table for an operating suite - Google Patents

Description

The present invention relates to an operating table for equipping an operating room.

An operating table makes it possible to position a patient to operate so as to facilitate the work of a surgeon for example. It conventionally comprises a tray on which the patient is placed during an operation. This tray may be composed of several movable parts relative to each other, for example to support respectively the head and neck, the upper part of the trunk, the seat, thighs, legs and feet. The plate is connected to a base in contact with the ground by a vertical column to ensure the rise and descent of the plate.

The base may further comprise motorized wheels allowing an autonomous movement of the operating table for transferring the patient.

Such an operating table is known from the patent application WO 2010/058105 , in the name of the Applicant.

This table is equipped with a remote control allowing an operator to control movements and / or functions of the operating table.

By movements of an operating table is meant the movement of the different elements forming the operating table relative to each other. These include the movement of the tray serving to support the patient relative to the column or the movement of the column relative to the base. It may also be the movement of the different parts of the plate relative to each other, or the movement of the entire operating table relative to the ground.

By functions of an operating table is meant in particular the parameterization of data, such as predefined positions of different elements of the table, or the implementation of accessories connected to the operating table.

The remote control equipping the aforementioned table comprises a screen on which is displayed an image showing schematically and in real time, the operating table position in side view. Other functions can also be displayed on the screen.

It is thus possible to quickly see the inclination of the various elements of the plate relative to the horizontal, or the position of the plate relative to the base along the longitudinal axis of the plate.

To better adapt to different needs and different surgical specialties, the tray is movable in the horizontal plane, that is to say in two perpendicular and horizontal directions. In the remainder of the description, x will be called the horizontal direction extending along the longitudinal axis of the plate, y the horizontal direction orthogonal to x, and z the vertical direction orthogonal to x and y.

The operating table comprises means for locking the position of the plate in the horizontal plane. When deactivated, for example by pressing a button of a control device, the tray can be moved manually in the horizontal plane to the desired position. This movement is facilitated by guide means for easy movement of the plate, even when the latter supports a patient. When the button is released, the locking means again prevent any displacement of the plate in the horizontal plane. The displacement of the plate following each of the x and y directions is limited by stops to maximum displacement values.

When using an operating table, it is difficult for an operator to know the position in x and y of the tray relative to the base. It is therefore also difficult to know to what extent the plate can still be moved in x or y before reaching the stops above. This can affect the ergonomics of the operating table in certain situations.

DE 10 2006 008 505 discloses an operating table having a patient support tray that is movable relative to a base.

The invention aims in particular to provide a simple, effective and economical solution to this problem.

For this purpose, it proposes an operating table having a plate movable relative to a base, the plate being movable by translation in the horizontal plane, characterized in that it comprises means for displaying the position of the plate in the horizontal plane.

The position of the plate in the horizontal plane, that is to say the position of the plate in the directions x and y, is thus directly accessible to an operator. He can therefore easily deduce to what extent the plate can still be moved horizontally, before it reaches the corresponding stops. The ergonomics of the operating table is therefore improved.

Preferably, the display means comprise a screen on which is displayed an image illustrating the tray in top view, the position of the tray in the image being representative of the actual position of the tray relative to the base.

In this case, the displayed image may include a first marker, for example a cross, corresponding substantially to the center of the tray.

In addition, the displayed image may comprise a second marker, for example a rectangle or a square, corresponding substantially to the position of a portion of the base and / or a portion of a column connecting the base to the tray.

It is also easy to visualize the position of the plate relative to the base or relative to the column.

The position of the tray can also be displayed as coordinates in two perpendicular and horizontal directions, relative to a reference position.

This further facilitates the reading of the position of the tray in the horizontal plane.

According to one characteristic of the invention, the display means make it possible to display the position of the plate in top view, in a first operating mode, and the position of the plate in side view, in a second mode of operation.

The first mode of operation is for example a mode in which locking means of the position of the plate in the horizontal plane are deactivated. The second mode of operation then corresponds to a mode in which these locking means are activated, thus preventing any displacement of the plate in the horizontal plane.

Advantageously, the operating table comprises a first device for controlling movements and / or functions of the operating table, comprising the display screen, and a second device for controlling movements and / or functions of the operating table, designed to control the locking or unlocking of the movement of the plate relative to the base, in the horizontal plane.

In this case, the second control device may be designed to be connected to a control unit of the operating table by a wired link or a wireless link, depending on the operating mode of the operating table.

The operating table may then include means for pairing the second control device and the control unit of the operating table.

• la figure 1 est une vue en perspective d'une table d'opération selon une première forme de réalisation de l'invention, sur laquelle est allongé un patient,
• la figure 2 est une vue de dessus de la table de la figure 1,
• la figure 3 est une vue éclatée, en perspective, d'une table d'opération selon une seconde forme de réalisation de l'invention,
• la figure 4 est une vue de face d'une télécommande de la table d'opération de l'invention,
• la figure 5 est une vue schématique illustrant le positionnement du plateau de la table d'opération dans un plan horizontal,
• les figures 6 à 8 sont des vues représentant l'écran de la télécommande sur lequel est notamment affichée la position du plateau dans le plan horizontal, pour différentes positions du plateau,
• les figures 9 à 11 sont des vues représentant l'écran de la télécommande sur lequel est notamment affichée la position du plateau dans le plan vertical, pour différentes positions du plateau.
• les figures 12 et 13 sont des vues en perspective d'un boîtier de commande annexe,
• la figure 14 est une vue de côté dudit boîtier de commande annexe, fixé à une partie de la table d'opération.

The invention will be better understood and other details, characteristics and advantages of the invention will appear on reading the following description given by way of non-limiting example with reference to the accompanying drawings in which:

• the figure 1 is a perspective view of an operating table according to a first embodiment of the invention, on which a patient is lying,
• the figure 2 is a top view of the table of the figure 1 ,
• the figure 3 is an exploded view, in perspective, of an operating table according to a second embodiment of the invention,
• the figure 4 is a front view of a remote control of the operating table of the invention,
• the figure 5 is a schematic view illustrating the positioning of the plate of the operating table in a horizontal plane,
• the Figures 6 to 8 are views representing the screen of the remote control on which is displayed in particular the position of the plate in the horizontal plane, for different positions of the plate,
• the Figures 9 to 11 are views representing the screen of the remote control on which is displayed in particular the position of the plate in the vertical plane, for different positions of the plate.
• the Figures 12 and 13 are perspective views of an ancillary control box,
• the figure 14 is a side view of said ancillary control box, attached to a portion of the operating table.

The figure 1 describes an operating table 1 according to a first embodiment, comprising a base 2 on which is mounted a plate 3, via a column 4.

The base 2 comprises wheels 5, one of which is motorized in order to move the whole of the operating table 1 on a floor, for example during a transfer operation from a patient 6 to an operating room.

The column 4 allows the displacement of the plate 3 relative to the base 2, according to a vertical axis referenced z.

The tray 3 is formed of a single part to Figures 1 and 2 and is mounted movably with respect to column 4, like this is known in itself. In particular, the plate 3 can pivot around the y axis and / or around the x axis, so as to tilt the plate 3. The plate 3 can also be moved in translation along the x and y axes. The figure 3 illustrates a second embodiment in which the plate 3 is formed of at least two parts 3a, 3b articulated with respect to each other, as is known per se.

Locking means make it possible to block the base 2 with respect to the ground and / or to block the position of the plate 3 with respect to the column 4.

The operating table 1 comprises a first device 7 for controlling movements and / or functions of the operating table 1, in the form of a remote control 7 provided with a display screen 8 and buttons order number 9 ( figure 4 ).

This remote control 7 is similar to that described in the patent application WO 2010/058105 , in the name of the Applicant. This remote control 7 makes it possible in particular to adjust the inclination of the plate 3 along the y axis and / or along the x axis, the position of the plate 3 along the z axis, the position of the patient's head 6, the activation or the deactivation of the locking means, the actuation of the wheels 5 of the base 2, etc.

The remote control 7 can be hooked to rails 10 fixed on the lateral edges of the plate 3 (as shown in FIG. figure 1 ) or be inserted in a base 11 provided for this purpose on a handlebar 12 removably fixed to the plate 3 (as shown in FIGS. figures 2 and 3 ). The operation of such a handlebar 12, provided with a control device and associated with an operating table, is described in the patent application WO 2007/116146 .

The remote control 7 can operate in a wired connection mode, in which it is connected with a cable to a control unit (not visible) of the operating table 1, or in a wireless connection mode , in which this connection is made for example by Bluetooth or by infrared signal.

When the remote control 7 operates in the wired mode, it can control a first set of movements and / or functions of the operating table 1. In addition, when the remote control 7 operates in the wireless mode, it can control a second set of movements and / or functions of the operating table 1, distinct from the first aforementioned set. It is for example possible to prohibit the operation of the wheels 5 of the base 2, when the remote control 7 operates in the non-wired mode.

As indicated above, in order to improve the ergonomics of the operating table 1, it is necessary to correctly inform an operator of the position of the plate 3 in the horizontal plane.

To this end, the invention proposes to display on the screen 8 of the remote control 7 an image 13 schematically showing the position of the plate 3 relative to the base 2 and / or relative to the column 4, in view of above. Such an image 13 is represented at figure 5 . This image 13 is for example displayed only if the operation table 1 allows the displacement of the plate 3 in the horizontal plane.

The image 13 comprises a first rectangle 14 schematically representing the position of the plate 3, and a second rectangle 15 schematically representing the position of the column 4 or a part of the base 2. For the purpose of explanation, we have also represented the x and y axes at the figure 5 these axes are not present on the image.

In addition, lines 16 parallel to the x axis extend on either side of the first rectangle 14, on only half of the latter. The position of these lines 16 gives particular information on the position of fastening rails, said rails being better described below. A cross 17 represents the center of the plate 3, 14.

In operation, and as is better described below, the plate 3 can be moved in translation in the horizontal plane, that is to say along the x and y axes. The displayed image 13 on the screen reflects the position of the tray 3 in real time. This means that in operation, the first rectangle 14 must be moved relatively relative to the second rectangle 15. In practice, the first rectangle 14 remains fixed on the image and the second rectangle 15 is moved relative to the first rectangle 14, so as to display in real time the position of the plate 3 with respect to the column 4 or with respect to a part of the base 2.

As can be seen in Figures 6 to 8 , the screen 8 also displays digits 18, 19 for quantifying the positions of the plate 3 relative to the column 4 or the base 2, respectively along the x axis and along the y axis. The position x = 0 cm and y = 0 cm is defined by the coincidence of the centers of the first and second rectangles 14, 15, that is to say when the center of the plate 3 is aligned vertically with the center of column 4 .

The plate 3 is, in the case illustrated in the figures, movable along the x axis between two extreme stops corresponding to x values of 0 cm and 70 cm. Similarly, the plate 3 is movable along the y axis between two end stops corresponding to values of y of -12 cm and 12 cm.

The figure 6 illustrates a position of the plate 3 corresponding to the position x = 70 cm and y = -12 cm. The figure 7 illustrates a position of the plate 3 corresponding to the position x = 0 cm and y = 12 cm. Finally, figure 8 illustrates a position of the plate 3 corresponding to the position x = 0 cm and y = -12 cm.

The position of the plate 3 in the horizontal plane, that is to say the position of the plate 3 in the directions x and y, is thus directly accessible to an operator. It can therefore easily be deduced to what extent the plate 3 can still be moved horizontally, before it reaches the corresponding stops.

In the case of Figures 6 to 8 , screen 8 also displays other icons or images giving information about the charge of a battery (picture 20), as for the connection mode used (wired - see icon 21 of Figures 7 and 8 , or not wired - see icon 22 of the figure 6 ) as for the locking of the base 2 with respect to the ground (icon 23) and as to the release or not of the plate 3 for a displacement in the horizontal plane (icon 24).

The Figures 9 to 11 represent the case where the plate 3 is prevented from moving in the horizontal plane, in a manner described below. In this case, another type of image 24 is displayed on the screen, representing in particular the position of the plate 3 in a vertical plane, that is to say along the x and z axes and the orientation of the patient. 6 on the board 3.

In this case as well, it is possible to display values corresponding to positions of the plate along the x or z axes, or to angles of inclination of the plate.

The operating table 1 further comprises a second device 26 for controlling movements and / or functions of the operating table 1, in the form of a housing 26 comprising a handle 27 and buttons 28 ( figure 12 ). The housing 26 further comprises a locking flange 29 actuated by a handle 30, adapted to lock on one of the aforementioned lateral rails 10.

The housing 26 comprises for example two buttons 28 for respectively actuating the raising and lowering of the plate 3, using the column 4, a button 28 to reset the flatness of the plate to allow the unlocking of the means blocking, and a button 28 for allowing or preventing said float movement of the plate 3, that is to say displacement of the plate 3 along the x and y axes.

The handle 27 is also movable between a high position and a low position. Elastic return means make it possible to return the lever 27 to its high position. When the lever 27 is in the up position, locking means are activated so as to prevent the plate 3 from moving in the horizontal plane, that is to say along the x and y axes. In this case, the display of the remote control 7 corresponds for example to that illustrated in FIGS. Figures 9 to 11 .

On the contrary, when the handle 27 is pushed back to its lower position by the operator, the aforementioned locking means are disabled (if the aforementioned button 28 allows such an unlocking) and the plate 3 can be moved manually in the horizontal plane. This manual movement is facilitated by the use of guiding means 31 ( figure 14 ) having low coefficients of friction, such as linear ball guides. In this case, the display of the remote control 7 corresponds for example to that illustrated in FIGS. Figures 6 to 8 .

The housing 26 may operate in a wired connection mode, in which it is connected by means of a cable to the control unit of the operating table 1, or in a wireless connection mode, in which this connection is made for example by Bluetooth or by infrared signal. As can be seen in figure 13 , the housing 26 includes a port 32 for allowing the connection of a cable with a suitable connector, wired mode.

The first connection of the housing 26 to the control unit of the operating table 1 must be performed using a cable, so as to make a pairing of the control unit 26 and the control unit. The following uses of the housing 26 can be performed, either in the wired mode or in the non-wired mode. Once pairing is done, the choice of the operating mode of the housing 26 does not affect the functions available for an operator from the housing 26.

Claims (6)

1. An operating table (1) comprising a table top (3) movable relative to a base (2), with the table top (3) being movable by translation in the horizontal plane (x, y), characterized in that it comprises means for displaying (8) the position of the table top (3, 14) in the horizontal plane (x, y), with the displaying means comprising a screen (8) whereon an image (13) illustrating a top view of the table top (3, 14) is displayed, with the position of the table top (3, 14) on the image being representative of the actual position of the table top (3) relative to the base (2), with the displayed image (13) comprising a first mark, for example a cross (17), which substantially corresponds to the center of the table top (3, 14), and a second mark, for example a rectangle or a square (15), which substantially corresponds to the position of a part of the base (2) and/or a part of a column (4) connecting the base (2) to the table top (3).
2. An operating table (1) according to claim 1, characterized in that the position of the table top (3) is also displayed as coordinates (18, 19) in two perpendicular and horizontal directions, relative to a reference position.
3. An operating table (1) according to claim 1 or 2, characterized in that the displaying means (8) are used to display a top view (13) of the position of the table top (3), in a first operation mode, and a side view (24) of the position of the table top (3) in a second operation mode.
4. An operating table (1) according to one of claims 1 to 3, characterized in that it comprises a first device (7) for controlling the displacements and/or the functions of the operating table (1), comprising the display screen (8), and a second device (26) for controlling the displacements and/or the functions of the operating table (1), adapted to control the locking or the unlocking of the displacement of the table top (3) relative to the base (2) in the horizontal plane (x, y).
5. An operating table (1) according to claim 4, characterized in that the second control device (26) is adapted to be connected to a unit controlling the operating table (1) through a wire link or through a wireless link, according to the operation mode of the operating table (1).
6. An operating table (1) according to claim 5, characterized in that it comprises means for matching the second control device (26) and the control unit of the operating table (1).

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