EP3791843A1 - Device for gripping a stretcher, associated stretcher and motorised carriage with integrated wireless controls for motorised functions - Google Patents

Device for gripping a stretcher, associated stretcher and motorised carriage with integrated wireless controls for motorised functions Download PDF

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Publication number
EP3791843A1
EP3791843A1 EP20192777.9A EP20192777A EP3791843A1 EP 3791843 A1 EP3791843 A1 EP 3791843A1 EP 20192777 A EP20192777 A EP 20192777A EP 3791843 A1 EP3791843 A1 EP 3791843A1
Authority
EP
European Patent Office
Prior art keywords
support
support bar
handle
gripping device
stretcher
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.)
Granted
Application number
EP20192777.9A
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German (de)
French (fr)
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EP3791843B1 (en
EP3791843C0 (en
Inventor
Christian Chapuis
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CDC Group SAS
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CDC Group SAS
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Publication date
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Publication of EP3791843A1 publication Critical patent/EP3791843A1/en
Application granted granted Critical
Publication of EP3791843B1 publication Critical patent/EP3791843B1/en
Publication of EP3791843C0 publication Critical patent/EP3791843C0/en
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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
    • A61G1/00—Stretchers
    • A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
    • A61G1/048—Handles
    • 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
    • A61G1/00—Stretchers
    • A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers

Definitions

  • the invention relates to a device for gripping a stretcher, that is to say the means for lifting and / or moving a stretcher.
  • the invention relates more particularly to a gripping device incorporating wireless control means.
  • the invention also relates to a stretcher and an associated motorized trolley.
  • the invention finds a particularly advantageous application for stretchers mounted on motorized carriages.
  • a stretcher conventionally comprises hollow metal bars, one end of which is provided with a handle to enable the stretcher to be gripped by the stretcher bearer, as for example described in the document WO 2001/70161 .
  • the handles of the stretcher are subjected to numerous shocks during the transport of patients because the stretcher bearers regularly operate in cramped environments, such as stairs.
  • the handle must be as solid and as ergonomic as possible to limit the risks of the stretcher bearer dropping the stretcher.
  • the handle is too large in relation to the volume of the metal bar, it risks forming a stopper which could come into contact with the walls when the stretcher bearers operate in cramped environments.
  • the technical problem of the invention is therefore to integrate wireless control means in a handle of a stretcher without creating an extra thickness and while limiting the impact of the metal support bar on wireless communications.
  • the invention proposes to use a handle fixed to a support bar of a stretcher, the handle and the support bar comprising a light allowing to integrate a support of at least one battery in the inside the support bar.
  • the handle further comprises an electronic circuit incorporating wireless communication means. This electronic circuit is mounted around the support bar on a front part of the handle so as to limit the influence of the metal bar on wireless communications. Connections between the support of at least one battery and the electronic circuit are also formed in the front part of the handle.
  • the invention proposes to use the internal space of the support bar to integrate at least one battery without creating extra thickness and to mount the electronic circuit around the support bar to limit disturbances to wireless communications.
  • the invention is characterized in that said gripping device comprises a support for at least one battery, said support being integrated into said support bar through a lumen of said support bar and a lumen of said handle; said handle comprising a front part formed around said support bar and supporting an electronic circuit comprising wireless communication means; said electronic circuit being connected with said support by means of connections passing through said lumen of said support bar.
  • the invention thus makes it possible to obtain a particularly compact handle while integrating wireless communication means.
  • the invention can be used to wirelessly control any type of electronic device.
  • the handle is used to control a motorized trolley supporting the stretcher. So the handle can control the height movement of the stretcher on the motorized trolley or the connection between the motorized trolley and a receiver placed in an ambulance.
  • said support comprises an axis fixed in said handle so as to allow movement of said support between two positions: a replacement position in which said at least one battery is extracted from said support bar; and a power position in which said at least one battery is inserted within said support bar.
  • said support comprises a lug intended to cooperate with a cam of a screw accessible from a rear part of said handle so that a rotation of said screw causes displacement of said support from said supply position to said position of replacement. It is thus particularly easy to extract the support from the bar without removing the entire handle.
  • said gripping device preferably comprises a cover intended to cover the head of said screw.
  • said lumen of said support bar has, in the direction of said front part, a length greater than the length of said lumen of the handle.
  • This embodiment allows the positioning of the axis of the support.
  • connection wires extend between said support and said electronic circuit through a front portion of said lumen of said support bar.
  • said handle is fixed to said support bar by means of a screw passing through the electronic circuit, a bore formed within said handle and a bore formed within said support bar.
  • said support has a shape adapted to a shape of said lumen of said support bar so as to allow said handle to be held on said support bar by means of cooperation between said shape of said support and said shape of said light.
  • said support is configured to receive, in a superimposed manner, two batteries of cylindrical shape. This embodiment makes it possible to efficiently integrate batteries into the height of a conventional support bar.
  • said support bar comprising two sliding bars relative to one another
  • said handle comprises an adjusting screw making it possible to adjust the position between the two sliding bars of said support bar.
  • the invention relates to a stretcher comprising two support bars substantially parallel to each other, between which a support element is held, at least one end of one of the two support bars being provided with a support device. gripping according to the first aspect of the invention.
  • the invention relates to a motorized trolley comprising at least one motor and a receptacle for holding a stretcher according to the second aspect of the invention; said gripping device being configured to control said at least one motorization of said carriage.
  • the figures 1 and 2 illustrate a gripping device 10 for a stretcher.
  • the gripping device 10 comprises a support bar 11 which is intended to support the stretcher.
  • This support bar 11 typically consists of a hollow metal bar, of substantially rectangular cross section with a height which can vary between 2 and 5 cm and a width which can vary between 1 and 3 cm.
  • the stretcher can correspond to any type of known stretcher, whether it is a stretcher mounted on a trolley or not.
  • the invention is used for a motorized trolley supporting a stretcher; whether it is a monobloc or bi-bloc trolley, that is to say a trolley which may or may not be integral with the stretcher.
  • the present invention proposes the use of a handle 12 incorporating an electronic circuit 20 making it possible to remotely control electronic equipment.
  • the handle 12 of the invention can be used to control the movements of a motorized trolley.
  • this handle 12 can be used to control other electronic devices without modifying the invention.
  • the complexity of the invention lies in the integration of the electronic wireless communication and power supply elements of the electronic circuit 20 without creating harmful excess thickness for the gripping device 10 and without limiting the communication capacities of the wireless communication means. of the electronic circuit 20.
  • the electronic circuit 20 is powered by batteries 17 which are mounted on a support 16 integrated inside the bar 11.
  • the invention can be used with one or more batteries 17 and the shape of the batteries can vary without changing the invention.
  • the electronic circuit 20 is arranged around the bar 11 so that the metal elements forming the bar 11 do not interfere with the wireless transmissions of the electronic circuit 20.
  • the connection between the batteries 17 and the electronic circuit 20 is made by two contactors. 22 and 23 which are arranged inside the support 16.
  • the support 16 is mounted articulated on a pin 33 fixed in the body of the handle 12.
  • the support 16 is thus movable between two positions: a position for replacing the batteries 17, as illustrated on the figure 1 , and a feed position in which the support 16 enters inside a lumen 15 of the handle and a lumen 14 of the bar 11.
  • the upper part of the support 16 forms the upper part of a conventional handle.
  • the handle is preferably provided with ergonomic zones 34 arranged in the lower part of the handle 12 and making it possible to position the user's fingers.
  • the lumen 14 of the bar is longer than the lumen 15 of the handle 12 so that the lumen 14 extends more widely towards the front part 18 of the handle 12.
  • connection wires from the front contactor 22 connect the batteries 17 to the electronic circuit 20.
  • the support bar 11 also has a bore 46 as well as an adjusting screw 35.
  • the adjusting screw 35 is only intended to adjust the length of the support bar when the support bar incorporates a second internal sliding bar inside the support bar 11.
  • the bore 46 allows the handle 12 to be held on the bar 11. To do this, a fixing screw 26 passes through the electronic circuit 20 then a bore 45 of the handle 12 and the bore 46 of the bar 11.
  • the shape of the support 16 is preferably adapted to the shape of the slot 14 so that, when the support 16 is in the feed position, it also contributes to maintaining the handle 12 on the bar 11 by means of cooperation between the shape of the support 16 and the shape of the slot 14.
  • the maintenance of the handle 12 on the bar 11 is mainly ensured by the cooperation between the shape of the support 16 and the shape of the lumen 14, and the screw 26 only allows the handle 12 to be held when the support 16 is moved out of the lumen 14.
  • the electronic circuit 20 is preferably made in several parts arranged above and on either side of a front part 18 of the handle 12.
  • the upper part of the electronic circuit 20 is fixed by the screw 26 while the side parts are fixed by pins 27 penetrating through the electronic circuit 20 and covered by a fixing washer 28.
  • several push buttons 21 are welded as well as at least one wireless communication module 24.
  • a waterproof protective cover 25 and particularly resistant As shown on the figure 1 , the integration of the electronic circuit 20 and of the protective cover 25 has a very small extra thickness compared to the thickness of the handle 12 and allows the operator to access several control buttons 40-42.
  • control button 40 can control the automated retraction of the trolley when the latter cooperates with a receiver arranged in an ambulance, while the buttons 41 and 42 can control the raising or lowering of the trolley. to position the stretcher at user height.
  • buttons can be used to control the clamping or unclamping of one or more crutches of a motorized trolley so as to facilitate cooperation between the motorized trolley and a receiver placed in an ambulance.
  • an embodiment of the invention proposes to fit a screw 29 in the rear part 19 of the handle 12 in which a cam 30 is fixed.
  • This cam 30 makes it possible to cooperate with a lug 32 arranged on the support 16.
  • the screw 29 is rotated by a tool in a first direction of rotation, for example a screwdriver
  • the cam 30 causes a displacement of the lug 32, which causes the support 16 to rotate with respect to the axis 33 and allows the upper face of the support 16 to be pulled out a few millimeters, so that a user can continue the movement of extracting the support 16 and replace the batteries 17.
  • the screw 29 makes it possible to force the closure of the support 16 by exerting pressure on an end opposite to the axis 33 so that the lug 32 enters a housing provided at the end of the screw 29.
  • An O-ring or a spring washer not shown and located under the head of the screw 29, prevents the reverse rotation of the screw 29 when the lug 32 is disposed in the housing.
  • this O-ring or this elastic washer seals the handle 12 at the level of the screw 29.
  • this rear screw 29 is protected by a cover 31 so that the head of the screw 29 is inaccessible and protected.
  • the invention makes it possible to produce a gripping device 10 for a stretcher which has dimensions substantially similar to existing handles, but which makes it possible to integrate an electronic circuit 20 with a wireless transmission module 24 arranged around the bar. support 11 and batteries 17 arranged inside the support bar 11.
  • the user of a stretcher can therefore control electronic devices without using a separate control, thus limiting the risk of losing the remote control.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)
  • Rehabilitation Tools (AREA)

Abstract

Ce dispositif de préhension (10) d'un brancard, est du type comprenant :• une barre de support (11) métallique creuse destinée à être solidarisé sur ledit brancard afin de supporter le poids d'un patient ; et• une poignée (12) fixée sur une extrémité de ladite barre de support (11).La barre de support (11) et la poignée (12) présentent une lumière (14, 15) aptes à intégrer un support (16) d'au moins une batterie (17) dans ladite barre de support (11).La poignée (12) comporte une partie avant (18) ménagée autour de ladite barre de support (11) et supporte un circuit électronique comportant des moyens de communication sans fil ; ledit circuit électronique étant relié avec ledit support (16) au moyen de connexions traversant ladite lumière (14) de ladite barre de support (11).This gripping device (10) of a stretcher is of the type comprising: • a hollow metal support bar (11) intended to be secured to said stretcher in order to support the weight of a patient; and • a handle (12) fixed to one end of said support bar (11). The support bar (11) and the handle (12) have a slot (14, 15) capable of integrating a support (16) d 'at least one battery (17) in said support bar (11). The handle (12) has a front part (18) formed around said support bar (11) and supports an electronic circuit comprising wireless communication means thread; said electronic circuit being connected with said support (16) by means of connections passing through said lumen (14) of said support bar (11).

Description

DOMAINE TECHNIQUETECHNICAL AREA

L'invention concerne un dispositif de préhension d'un brancard, c'est-à-dire les moyens permettant de soulever et/ou de déplacer un brancard. L'invention concerne plus particulièrement un dispositif de préhension intégrant des moyens de commande sans fil. L'invention concerne également un brancard et un chariot motorisé associés.The invention relates to a device for gripping a stretcher, that is to say the means for lifting and / or moving a stretcher. The invention relates more particularly to a gripping device incorporating wireless control means. The invention also relates to a stretcher and an associated motorized trolley.

L'invention trouve une application particulièrement avantageuse pour les brancards montés sur des chariots motorisés.The invention finds a particularly advantageous application for stretchers mounted on motorized carriages.

ART ANTERIEURPRIOR ART

Un brancard comporte classiquement des barres métalliques creuses dont une extrémité est pourvue d'une poignée pour permettre la préhension du brancard par le brancardier, tel que par exemple décrit dans le document WO 2001/70161 . Les poignées des brancards subissent de nombreux chocs lors du transport de malades car les brancardiers évoluent régulièrement dans des environnements exigus, tels que des escaliers. Ainsi, la poignée doit être la plus solide et la plus ergonomique possible pour limiter les risques que le brancardier ne lâche le brancard. En outre, si la poignée est trop volumineuse par rapport au volume de la barre métallique, elle risque de former une butée qui pourrait d'entrer en contact avec les murs lorsque les brancardiers évoluent dans des environnements exigus.A stretcher conventionally comprises hollow metal bars, one end of which is provided with a handle to enable the stretcher to be gripped by the stretcher bearer, as for example described in the document WO 2001/70161 . The handles of the stretcher are subjected to numerous shocks during the transport of patients because the stretcher bearers regularly operate in cramped environments, such as stairs. Thus, the handle must be as solid and as ergonomic as possible to limit the risks of the stretcher bearer dropping the stretcher. In addition, if the handle is too large in relation to the volume of the metal bar, it risks forming a stopper which could come into contact with the walls when the stretcher bearers operate in cramped environments.

Se pose également le problème d'intégrer des moyens de commande sans fil dans une poignée d'un brancard. En effet, pour alimenter durablement ces moyens de commande sans fil, il convient d'utiliser une source de stockage d'énergie associée à un circuit électronique. Si ces éléments sont disposés autour de la barre métallique, ils créaient une surépaisseur qui risque de détériorer la poignée lors de l'utilisation. En outre, il n'est pas possible d'intégrer le circuit électronique à l'intérieur de la barre de support métallique car cette barre formerait une cage de Faraday et bloquerait au moins en partie les transmissions sans fils.There is also the problem of integrating wireless control means into a handle of a stretcher. Indeed, in order to supply these wireless control means sustainably, it is advisable to use an energy storage source associated with an electronic circuit. If these elements are arranged around the metal bar, they create an extra thickness which risks damaging the handle during use. In addition, it is not possible to integrate the electronic circuit inside the metal support bar because this bar would form a Faraday cage and would at least partially block the wireless transmissions.

Le problème technique de l'invention est donc d'intégrer des moyens de commande sans fil dans une poignée d'un brancard sans créer une surépaisseur et en limitant l'impact de la barre de support métallique sur les communications sans fil.The technical problem of the invention is therefore to integrate wireless control means in a handle of a stretcher without creating an extra thickness and while limiting the impact of the metal support bar on wireless communications.

EXPOSE DE L'INVENTIONDISCLOSURE OF THE INVENTION

Pour résoudre ce problème, l'invention propose d'utiliser une poignée fixée sur une barre de support d'un brancard, la poignée et la barre de support comportant une lumière permettant d'intégrer un support d'au moins une batterie à l'intérieur de la barre de support. La poignée comporte, en outre, un circuit électronique intégrant des moyens de communication sans fil. Ce circuit électronique est monté autour de la barre de support sur une partie avant de la poignée de sorte à limiter l'influence de la barre métallique sur les communications sans fil. Des connexions entre le support d'au moins une batterie et le circuit électronique sont également formées dans la partie avant de la poignée.To solve this problem, the invention proposes to use a handle fixed to a support bar of a stretcher, the handle and the support bar comprising a light allowing to integrate a support of at least one battery in the inside the support bar. The handle further comprises an electronic circuit incorporating wireless communication means. This electronic circuit is mounted around the support bar on a front part of the handle so as to limit the influence of the metal bar on wireless communications. Connections between the support of at least one battery and the electronic circuit are also formed in the front part of the handle.

Ainsi, l'invention propose d'utiliser l'espace interne de la barre de support pour intégrer au moins une batterie sans créer de surépaisseur et de monter le circuit électronique autour de la barre de support pour limiter les perturbations des communications sans fil.Thus, the invention proposes to use the internal space of the support bar to integrate at least one battery without creating extra thickness and to mount the electronic circuit around the support bar to limit disturbances to wireless communications.

A cet effet, selon un premier aspect, l'invention concerne un dispositif de préhension d'un brancard, ledit dispositif comportant :

  • une barre de support métallique creuse destinée à être solidarisé sur ledit brancard de sorte à supporter le poids d'un patient ; et
  • une poignée fixée sur une extrémité de ladite barre de support.
To this end, according to a first aspect, the invention relates to a device for gripping a stretcher, said device comprising:
  • a hollow metal support bar intended to be secured to said stretcher so as to support the weight of a patient; and
  • a handle attached to one end of said support bar.

L'invention est caractérisée en ce que ledit dispositif de préhension comporte un support d'au moins une batterie, ledit support étant intégré dans ladite barre de support à travers une lumière de ladite barre de support et une lumière de ladite poignée ; ladite poignée comportant une partie avant ménagée autour de ladite barre de support et supportant un circuit électronique comportant des moyens de communication sans fil ; ledit circuit électronique étant relié avec ledit support au moyen de connexions traversant ladite lumière de ladite barre de support.The invention is characterized in that said gripping device comprises a support for at least one battery, said support being integrated into said support bar through a lumen of said support bar and a lumen of said handle; said handle comprising a front part formed around said support bar and supporting an electronic circuit comprising wireless communication means; said electronic circuit being connected with said support by means of connections passing through said lumen of said support bar.

L'invention permet ainsi d'obtenir une poignée particulièrement compacte tout en intégrant des moyens de communication sans fil. L'invention peut être utilisée pour commander sans fil tout type de dispositif électronique. De préférence, la poignée est utilisée pour commander un chariot motorisé supportant le brancard. Ainsi, la poignée peut commander le déplacement en hauteur du brancard sur le chariot motorisé ou la connexion entre le chariot motorisé et un récepteur disposé dans une ambulance.The invention thus makes it possible to obtain a particularly compact handle while integrating wireless communication means. The invention can be used to wirelessly control any type of electronic device. Preferably, the handle is used to control a motorized trolley supporting the stretcher. So the handle can control the height movement of the stretcher on the motorized trolley or the connection between the motorized trolley and a receiver placed in an ambulance.

Selon un mode de réalisation, ledit support comporte un axe fixé dans ladite poignée de sorte à permettre un déplacement dudit support entre deux positions : une position de remplacement dans laquelle ladite au moins une batterie est extraite de ladite barre de support ; et une position d'alimentation dans laquelle ladite au moins une batterie est insérée à l'intérieur de ladite barre de support.According to one embodiment, said support comprises an axis fixed in said handle so as to allow movement of said support between two positions: a replacement position in which said at least one battery is extracted from said support bar; and a power position in which said at least one battery is inserted within said support bar.

Ce mode de réalisation permet de remplacer facilement la batterie. De préférence, ledit support comporte un ergot destiné à coopérer avec une came d'une vis accessible depuis une partie arrière de ladite poignée de sorte qu'une rotation de ladite vis entraine un déplacement dudit support depuis ladite position d'alimentation vers ladite position de remplacement. Il est ainsi particulièrement simple d'extraire le support de la barre sans démonter toute la poignée. En outre, pour limiter l'oxydation de la tête de la vis, ledit dispositif de préhension comporte préférentiellement un cache destiné à recouvrir la tête de ladite vis.This embodiment makes it easy to replace the battery. Preferably, said support comprises a lug intended to cooperate with a cam of a screw accessible from a rear part of said handle so that a rotation of said screw causes displacement of said support from said supply position to said position of replacement. It is thus particularly easy to extract the support from the bar without removing the entire handle. In addition, to limit oxidation of the head of the screw, said gripping device preferably comprises a cover intended to cover the head of said screw.

Selon un mode de réalisation, ladite lumière de ladite barre de support présente, en direction de ladite partie avant, une longueur plus importante que la longueur de ladite lumière de la poignée. Ce mode de réalisation permet le positionnement de l'axe du support. De préférence, des fils de connexion s'étendent entre ledit support et ledit circuit électronique à travers une partie avant de ladite lumière de ladite barre de support.According to one embodiment, said lumen of said support bar has, in the direction of said front part, a length greater than the length of said lumen of the handle. This embodiment allows the positioning of the axis of the support. Preferably, connection wires extend between said support and said electronic circuit through a front portion of said lumen of said support bar.

Selon un mode de réalisation, ladite poignée est fixée sur ladite barre de support au moyen d'une vis traversant le circuit électronique, un alésage ménagé au sein de ladite poignée et un alésage ménagé au sein de ladite barre de support. En complément ou alternativement, ledit support présente une forme adaptée à une forme de ladite lumière de ladite barre de support de sorte à permettre un maintien de ladite poignée sur ladite barre de support au moyen d'une coopération entre ladite forme dudit support et ladite forme de ladite lumière. Ainsi, la vis traversant le circuit électronique sert uniquement à maintenir la poignée dans sa position lors de l'ouverture du support de batteries. Le blocage principal dans la poignée est assuré par la coopération du support de batteries et de la lumière de la barre de support limitant, ainsi, les sollicitations sur la vis traversant le circuit électronique.According to one embodiment, said handle is fixed to said support bar by means of a screw passing through the electronic circuit, a bore formed within said handle and a bore formed within said support bar. In addition or alternatively, said support has a shape adapted to a shape of said lumen of said support bar so as to allow said handle to be held on said support bar by means of cooperation between said shape of said support and said shape of said light. Thus, the screw passing through the electronic circuit serves only to maintain the handle in its position when opening the battery holder. The main locking in the handle is ensured by the cooperation of the battery holder and the light of the support bar, thus limiting the stresses on the screw passing through the electronic circuit.

Selon un mode de réalisation, ledit support est configuré pour recevoir, de manière superposée, deux batteries de forme cylindrique. Ce mode de réalisation permet d'intégrer efficacement des batteries dans la hauteur d'une barre de support classique.According to one embodiment, said support is configured to receive, in a superimposed manner, two batteries of cylindrical shape. This embodiment makes it possible to efficiently integrate batteries into the height of a conventional support bar.

Selon un mode de réalisation, ladite barre de support comportant deux barres coulissantes l'une par rapport à l'autre, ladite poignée comporte une vis de réglage permettant de régler la position entre les deux barres coulissantes de ladite barre de support.According to one embodiment, said support bar comprising two sliding bars relative to one another, said handle comprises an adjusting screw making it possible to adjust the position between the two sliding bars of said support bar.

Selon un second aspect, l'invention concerne un brancard comportant deux barres de support sensiblement parallèles entre elles, entre lesquelles est maintenu un élément de support, au moins une extrémité de l'une des deux barres de support étant pourvue d'un dispositif de préhension selon le premier aspect de l'invention.According to a second aspect, the invention relates to a stretcher comprising two support bars substantially parallel to each other, between which a support element is held, at least one end of one of the two support bars being provided with a support device. gripping according to the first aspect of the invention.

Selon un troisième aspect, l'invention concerne un chariot motorisé comportant au moins une motorisation et un réceptacle pour maintenir un brancard selon le second aspect de l'invention; ledit dispositif de préhension étant configuré pour commander ladite au moins une motorisation dudit chariot.According to a third aspect, the invention relates to a motorized trolley comprising at least one motor and a receptacle for holding a stretcher according to the second aspect of the invention; said gripping device being configured to control said at least one motorization of said carriage.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

D'autres caractéristiques et avantages de l'invention ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et nullement limitatif, en référence aux dessins annexés, dans lesquels :

  • La figure 1 est une vue en perspective d'un dispositif de préhension conforme à l'invention dans lequel un support d'au moins une batterie est en position de remplacement ; et
  • La figure 2 est une vue perspective éclatée des éléments de la figure 1.
Other characteristics and advantages of the invention will emerge clearly from the description which is given below, by way of indication and in no way limiting, with reference to the appended drawings, in which:
  • The figure 1 is a perspective view of a gripping device according to the invention in which a support for at least one battery is in the replacement position; and
  • The figure 2 is an exploded perspective view of the elements of the figure 1 .

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

Les figures 1 et 2 illustrent un dispositif de préhension 10 d'un brancard. Le dispositif de préhension 10 comporte une barre de support 11 qui est destinée à supporter le brancard. Cette barre de support 11 est typiquement constituée d'une barre métallique creuse, de section transversale sensiblement rectangulaire avec une hauteur pouvant varier entre 2 et 5 cm et une largeur pouvant varier entre 1 et 3 cm.The figures 1 and 2 illustrate a gripping device 10 for a stretcher. The gripping device 10 comprises a support bar 11 which is intended to support the stretcher. This support bar 11 typically consists of a hollow metal bar, of substantially rectangular cross section with a height which can vary between 2 and 5 cm and a width which can vary between 1 and 3 cm.

Le brancard peut correspondre à tout type de brancard connu que ce soit un brancard monté sur un chariot ou non. De préférence, l'invention est utilisée pour un chariot motorisé supportant un brancard ; que ce soit un chariot monobloc ou bi-bloc, c'est-à-dire un chariot solidarisé ou non avec le brancard.The stretcher can correspond to any type of known stretcher, whether it is a stretcher mounted on a trolley or not. Preferably, the invention is used for a motorized trolley supporting a stretcher; whether it is a monobloc or bi-bloc trolley, that is to say a trolley which may or may not be integral with the stretcher.

En effet, dans le cadre d'un chariot motorisé, il est nécessaire de prévoir des moyens de commande des motorisations du chariot. La présente invention propose l'utilisation d'une poignée 12 intégrant un circuit électronique 20 permettant de commander à distance des équipements électroniques. Ainsi, la poignée 12 de l'invention peut être utilisée pour commander les déplacements d'un chariot motorisé. En variante, cette poignée 12 peut être utilisée pour commander d'autres appareils électroniques sans modifier l'invention.In fact, in the context of a motorized trolley, it is necessary to provide means for controlling the motorizations of the trolley. The present invention proposes the use of a handle 12 incorporating an electronic circuit 20 making it possible to remotely control electronic equipment. Thus, the handle 12 of the invention can be used to control the movements of a motorized trolley. As a variant, this handle 12 can be used to control other electronic devices without modifying the invention.

La complexité de l'invention réside dans l'intégration des éléments électroniques de communication sans fil et d'alimentation du circuit électronique 20 sans créer de surépaisseurs préjudiciables pour le dispositif de préhension 10 et sans limiter les capacités de communication des moyens de communication sans fil du circuit électronique 20. The complexity of the invention lies in the integration of the electronic wireless communication and power supply elements of the electronic circuit 20 without creating harmful excess thickness for the gripping device 10 and without limiting the communication capacities of the wireless communication means. of the electronic circuit 20.

Pour ce faire, le circuit électronique 20 est alimenté par des batteries 17 qui sont montées sur un support 16 intégré à l'intérieur de la barre 11. To do this, the electronic circuit 20 is powered by batteries 17 which are mounted on a support 16 integrated inside the bar 11.

L'invention peut être utilisée avec une ou plusieurs batteries 17 et la forme des batteries peut varier sans changer l'invention. Le circuit électronique 20 est disposé autour de la barre 11 de telle sorte que les éléments métalliques formant la barre 11 ne perturbent pas les transmissions sans fil du circuit électronique 20. La liaison entre les batteries 17 et le circuit électronique 20 est réalisé par deux contacteurs 22 et 23 qui sont disposés à l'intérieur du support 16. The invention can be used with one or more batteries 17 and the shape of the batteries can vary without changing the invention. The electronic circuit 20 is arranged around the bar 11 so that the metal elements forming the bar 11 do not interfere with the wireless transmissions of the electronic circuit 20. The connection between the batteries 17 and the electronic circuit 20 is made by two contactors. 22 and 23 which are arranged inside the support 16.

Pour pouvoir facilement remplacer les batteries 17, le support 16 est monté articulé sur un axe 33 fixé dans le corps de la poignée 12. Le support 16 est ainsi mobile entre deux positions : une position de remplacement des batteries 17, telle qu'illustrée sur la figure 1, et une position d'alimentation dans laquelle le support 16 pénètre à l'intérieur d'une lumière 15 de la poignée et d'une lumière 14 de la barre 11. Ainsi, lorsque le support 16 est intégré dans les lumières 14 et 15, la partie supérieure du support 16 forme la partie supérieure d'une poignée conventionnelle.In order to be able to easily replace the batteries 17, the support 16 is mounted articulated on a pin 33 fixed in the body of the handle 12. The support 16 is thus movable between two positions: a position for replacing the batteries 17, as illustrated on the figure 1 , and a feed position in which the support 16 enters inside a lumen 15 of the handle and a lumen 14 of the bar 11. Thus, when the support 16 is integrated in the lumens 14 and 15 , the upper part of the support 16 forms the upper part of a conventional handle.

L'utilisateur peut donc manier la poignée comme à son habitude. Pour ce faire, la poignée est préférentiellement pourvue de zones ergonomiques 34 disposées dans la partie inférieure de la poignée 12 et permettant de positionner les doigts de l'utilisateur.The user can therefore handle the handle as usual. To do this, the handle is preferably provided with ergonomic zones 34 arranged in the lower part of the handle 12 and making it possible to position the user's fingers.

La lumière 14 de la barre est plus longue que la lumière 15 de la poignée 12 de sorte que la lumière 14 s'étende plus largement en direction de la partie avant 18 de la poignée 12. Dans cette partie avant 18, des fils de connexion provenant du contacteur avant 22 relient les batteries 17 au circuit électronique 20. Devant cette lumière 14, la barre de support 11 présente également un alésage 46 ainsi qu'une vis de réglage 35. La vis de réglage 35 est uniquement destinée à régler la longueur de la barre de support lorsque la barre de support intègre une seconde barre interne coulissante à l'intérieur de la barre de support 11. L'alésage 46 permet de maintenir la poignée 12 sur la barre 11. Pour ce faire, une vis de fixation 26 traverse le circuit électronique 20 puis un alésage 45 de la poignée 12 et l'alésage 46 de la barre 11. Cependant, compte tenu des forces exercées sur la poignée 12, cette simple vis de fixation 26 peut être insuffisante pour résister aux différents efforts et garantir la fixation de la poignée 12 sur la barre 11. Ainsi, la forme du support 16 est préférentiellement adaptée à la forme de la lumière 14 de sorte que, lorsque le support 16 est dans la position d'alimentation, il concourt également à maintenir la poignée 12 sur la barre 11 au moyen d'une coopération entre la forme du support 16 et la forme de la lumière 14. Ainsi, le maintien de la poignée 12 sur la barre 11 est principalement assuré par la coopération entre la forme du support 16 et la forme de la lumière 14, et la vis 26 permet uniquement de maintenir la poignée 12 lorsque le support 16 est déplacé hors de la lumière 14. The lumen 14 of the bar is longer than the lumen 15 of the handle 12 so that the lumen 14 extends more widely towards the front part 18 of the handle 12. In this front part 18, connection wires from the front contactor 22 connect the batteries 17 to the electronic circuit 20. In front of this light 14, the support bar 11 also has a bore 46 as well as an adjusting screw 35. The adjusting screw 35 is only intended to adjust the length of the support bar when the support bar incorporates a second internal sliding bar inside the support bar 11. The bore 46 allows the handle 12 to be held on the bar 11. To do this, a fixing screw 26 passes through the electronic circuit 20 then a bore 45 of the handle 12 and the bore 46 of the bar 11. However, taking into account the forces exerted on the handle 12, this simple fixing screw 26 may be insufficient for withstand the various forces and guarantee the fixing of the handle 12 on the bar 11. Thus, the shape of the support 16 is preferably adapted to the shape of the slot 14 so that, when the support 16 is in the feed position, it also contributes to maintaining the handle 12 on the bar 11 by means of cooperation between the shape of the support 16 and the shape of the slot 14. Thus, the maintenance of the handle 12 on the bar 11 is mainly ensured by the cooperation between the shape of the support 16 and the shape of the lumen 14, and the screw 26 only allows the handle 12 to be held when the support 16 is moved out of the lumen 14.

En outre, le circuit électronique 20 est préférentiellement réalisé en plusieurs parties disposées au-dessus et de part et d'autre d'une partie avant 18 de la poignée 12. La partie supérieure du circuit électronique 20 est fixée par la vis 26 alors que les parties latérales sont fixées par des ergots 27 pénétrants à travers le circuit électronique 20 et recouverts par une rondelle de fixation 28. Sur ce circuit électronique, plusieurs bouton poussoirs 21 sont soudés ainsi qu'au moins un module de communication sans fil 24. In addition, the electronic circuit 20 is preferably made in several parts arranged above and on either side of a front part 18 of the handle 12. The upper part of the electronic circuit 20 is fixed by the screw 26 while the side parts are fixed by pins 27 penetrating through the electronic circuit 20 and covered by a fixing washer 28. On this electronic circuit, several push buttons 21 are welded as well as at least one wireless communication module 24.

Ces différents éléments électroniques ainsi que leur connexion sont recouverts par un capot de protection étanche 25 et particulièrement résistant. Tel qu'illustré sur la figure 1, l'intégration du circuit électronique 20 et du capot de protection 25 présente une surépaisseur très faible par rapport à l'épaisseur de la poignée 12 et permet à l'opérateur d'accéder à plusieurs boutons de commande 40-42. These various electronic elements as well as their connection are covered by a waterproof protective cover 25 and particularly resistant. As shown on the figure 1 , the integration of the electronic circuit 20 and of the protective cover 25 has a very small extra thickness compared to the thickness of the handle 12 and allows the operator to access several control buttons 40-42.

Dans le cas d'un chariot motorisé, le bouton de commande 40 peut commander le recul automatisé du chariot lorsque celui-ci coopère avec un récepteur disposé dans une ambulance, alors que les boutons 41 et 42 peuvent commander la montée ou la descente du chariot pour positionner le brancard à hauteur de l'utilisateur.In the case of a motorized trolley, the control button 40 can control the automated retraction of the trolley when the latter cooperates with a receiver arranged in an ambulance, while the buttons 41 and 42 can control the raising or lowering of the trolley. to position the stretcher at user height.

En outre, d'autres types de commande sans fil peuvent être utilisés sans changer l'invention. Par exemple, des boutons peuvent être utilisés pour commander le bridage ou le débridage d'une ou plusieurs béquilles d'un chariot motorisé de sorte à faciliter la coopération entre le chariot motorisé et un récepteur disposé dans une ambulance.Further, other types of wireless control can be used without changing the invention. For example, buttons can be used to control the clamping or unclamping of one or more crutches of a motorized trolley so as to facilitate cooperation between the motorized trolley and a receiver placed in an ambulance.

Un autre aspect de l'invention réside dans les moyens permettant de remplacer les batteries 17. En effet, un mode de réalisation de l'invention propose d'aménager une vis 29 dans la partie arrière 19 de la poignée 12 dans laquelle une came 30 est fixée. Cette came 30 permet de coopérer avec un ergot 32 disposées sur le support 16. Lorsque la vis 29 est entraînée en rotation par un outil dans un premier sens de rotation, par exemple un tournevis, la came 30 engendre un déplacement de l'ergot 32, qui entraîne une rotation du support 16 par rapport à l'axe 33 et permet de sortir de quelques millimètres la face supérieure du support 16, de sorte qu'un utilisateur puisse continuer le mouvement d'extraction du support 16 et remplacer les batteries 17. Another aspect of the invention lies in the means making it possible to replace the batteries 17. Indeed, an embodiment of the invention proposes to fit a screw 29 in the rear part 19 of the handle 12 in which a cam 30 is fixed. This cam 30 makes it possible to cooperate with a lug 32 arranged on the support 16. When the screw 29 is rotated by a tool in a first direction of rotation, for example a screwdriver, the cam 30 causes a displacement of the lug 32, which causes the support 16 to rotate with respect to the axis 33 and allows the upper face of the support 16 to be pulled out a few millimeters, so that a user can continue the movement of extracting the support 16 and replace the batteries 17.

Dans un second sens de rotation de la vis 29, la vis 29 permet de forcer la fermeture du support 16 en exerçant une pression sur une extrémité opposée à l'axe 33 de sorte que l'ergot 32 pénètre dans un logement ménagé à l'extrémité de la vis 29. Un joint torique ou une rondelle élastique, non représenté et situé sous la tête de la vis 29, empêche la rotation en sens inverse de la vis 29 lorsque l'ergot 32 est disposé dans le logement. En outre, ce joint torique ou cette rondelle élastique assure l'étanchéité de la poignée 12 au niveau de la vis 29. In a second direction of rotation of the screw 29, the screw 29 makes it possible to force the closure of the support 16 by exerting pressure on an end opposite to the axis 33 so that the lug 32 enters a housing provided at the end of the screw 29. An O-ring or a spring washer, not shown and located under the head of the screw 29, prevents the reverse rotation of the screw 29 when the lug 32 is disposed in the housing. In addition, this O-ring or this elastic washer seals the handle 12 at the level of the screw 29.

De préférence, cette vis arrière 29 est protégée par une cache 31 de sorte que la tête de la vis 29 soit inaccessible et protégée.Preferably, this rear screw 29 is protected by a cover 31 so that the head of the screw 29 is inaccessible and protected.

En conclusion, l'invention permet de réaliser un dispositif de préhension 10 pour un brancard qui présente des dimensions sensiblement similaires aux poignées existantes, mais qui permet d'intégrer un circuit électronique 20 avec un module de transmission sans fil 24 disposé autour de la barre de support 11 et des batteries 17 disposées à l'intérieur de la barre de support 11. L'utilisateur d'un brancard peut donc commander des dispositifs électroniques sans utiliser une commande distincte limitant ainsi le risque de perte de la télécommande.In conclusion, the invention makes it possible to produce a gripping device 10 for a stretcher which has dimensions substantially similar to existing handles, but which makes it possible to integrate an electronic circuit 20 with a wireless transmission module 24 arranged around the bar. support 11 and batteries 17 arranged inside the support bar 11. The user of a stretcher can therefore control electronic devices without using a separate control, thus limiting the risk of losing the remote control.

Claims (12)

Dispositif de préhension (10) d'un brancard, du type comprenant : • une barre de support (11) métallique creuse destinée à être solidarisée sur ledit brancard afin de supporter le poids d'un patient ; et • une poignée (12) fixée sur une extrémité (13) de ladite barre de support (11) ; caractérisé en ce que ledit dispositif de préhension (10) comporte un support (16) d'au moins une batterie (17), ledit support (16) étant intégré dans ladite barre de support (11) à travers une lumière (14) de ladite barre de support (11) et une lumière (15) de ladite poignée (12) ; ladite poignée (12) comportant une partie avant (18) ménagée autour de ladite barre de support (11) et supportant un circuit électronique (20) comportant des moyens de communication sans fil (24) ; ledit circuit électronique (20) étant relié avec ledit support (16) au moyen de connexions traversant ladite lumière (14) de ladite barre de support (11). Gripping device (10) of a stretcher, of the type comprising: • a hollow metal support bar (11) intended to be secured to said stretcher in order to support the weight of a patient; and • a handle (12) fixed to one end (13) of said support bar (11); characterized in that said gripping device (10) comprises a support (16) of at least one battery (17), said support (16) being integrated into said support bar (11) through a lumen (14) of said support bar (11) and a lumen (15) of said handle (12); said handle (12) comprising a front part (18) formed around said support bar (11) and supporting an electronic circuit (20) comprising wireless communication means (24); said electronic circuit (20) being connected with said support (16) by means of connections passing through said lumen (14) of said support bar (11). Dispositif de préhension selon la revendication 1, dans lequel le support (16) comporte un axe (33) fixé dans la poignée (12) de sorte à permettre un déplacement dudit support (16) entre deux positions : une position de remplacement dans laquelle ladite au moins une batterie (17) est extraite de la barre de support (11) ; et une position d'alimentation dans laquelle ladite au moins une batterie (17) est insérée à l'intérieur de ladite barre de support (11).A gripping device according to claim 1, wherein the support (16) has a pin (33) fixed in the handle (12) so as to allow movement of said support (16) between two positions: a replacement position in which said at least one battery (17) is extracted from the support bar (11); and a power position in which said at least one battery (17) is inserted inside said support bar (11). Dispositif de préhension selon la revendication 2, dans lequel le support (16) comporte un ergot (32) destiné à coopérer avec une came (30) d'une vis (29) accessible depuis une partie arrière (19) de la poignée (12) de sorte qu'une rotation de ladite vis (29) entraine un déplacement dudit support (16) depuis ladite position d'alimentation vers ladite position de remplacement.Gripping device according to Claim 2, in which the support (16) comprises a lug (32) intended to cooperate with a cam (30) of a screw (29) accessible from a rear part (19) of the handle (12). ) so that a rotation of said screw (29) causes a displacement of said support (16) from said supply position to said replacement position. Dispositif de préhension selon la revendication 3, dans lequel ledit dispositif de préhension (10) comporte également un cache (31) destiné à recouvrir une tête de ladite vis (29).A gripping device according to claim 3, wherein said gripping device (10) also includes a cover (31) for covering a head of said screw (29). Dispositif de préhension selon l'une des revendications 1 à 4, dans lequel la lumière (14) de la barre de support (11) présente, en direction de la partie avant (18), une longueur plus importante qu'une longueur de ladite lumière (15) de ladite poignée (12).Gripping device according to one of claims 1 to 4, wherein the aperture (14) of the support bar (11) has, in the direction of the front part (18), a length greater than a length of said light (15) of said handle (12). Dispositif de préhension selon la revendication 5, dans lequel des fils de connexion s'étendent entre le support (16) et le circuit électronique (20) à travers une partie avant de ladite lumière (14) de ladite barre de support (11).A gripping device according to claim 5, wherein connection wires extend between the support (16) and the electronic circuit (20) through a front portion of said lumen (14) of said support bar (11). Dispositif de préhension selon l'une des revendications 1 à 6, dans lequel la poignée (12) est fixée sur la barre de support (11) au moyen d'une vis (26) traversant le circuit électronique (20), un alésage (45) ménagé dans ladite poignée (12) et un alésage (46) ménagé dans ladite barre de support (11).Gripping device according to one of claims 1 to 6, in which the handle (12) is fixed to the support bar (11) by means of a screw (26) passing through the electronic circuit (20), a bore ( 45) formed in said handle (12) and a bore (46) formed in said support bar (11). Dispositif de préhension selon l'une des revendications 1 à 7, dans lequel le support (16) présente une forme adaptée à une forme de la lumière (14) de la barre de support (11) de sorte à permettre un maintien de la poignée (12) sur ladite barre de support (11) au moyen d'une coopération entre ladite forme dudit support (16) et ladite forme de ladite lumière (14).Gripping device according to one of claims 1 to 7, wherein the support (16) has a shape adapted to a shape of the slot (14) of the support bar (11) so as to allow the grip to be held. (12) on said support bar (11) by means of cooperation between said form of said support (16) and said form of said lumen (14). Dispositif de préhension selon l'une des revendications 1 à 8, dans lequel le support (16) est configuré pour recevoir, de manière superposée, deux batteries (17) de forme cylindrique.Gripping device according to one of Claims 1 to 8, in which the support (16) is configured to receive, superposed, two batteries (17) of cylindrical shape. Dispositif de préhension selon l'une des revendications 1 à 9, dans lequel, la barre de support (11) comporte deux barres coulissantes l'une par rapport à l'autre, la poignée (12) comportant une vis de réglage (35) permettant de régler la position entre les deux barres coulissantes de ladite barre de support (11).Gripping device according to one of claims 1 to 9, in which the support bar (11) comprises two bars sliding relative to one another, the handle (12) comprising an adjusting screw (35) making it possible to adjust the position between the two sliding bars of said support bar (11). Brancard comportant deux barres de support (11) sensiblement parallèles entre elles, entre lesquelles est maintenue un élément de support, au moins une extrémité de l'une des deux barres de support (11) étant pourvue d'un dispositif de préhension (10) selon l'une des revendications 1 à 10.Stretcher comprising two support bars (11) substantially parallel to each other, between which a support element is held, at least one end of one of the two support bars (11) being provided with a gripping device (10) according to one of claims 1 to 10. Chariot motorisé comportant au moins une motorisation et un réceptacle pour maintenir un brancard selon la revendication 11, dans lequel le dispositif de préhension (10) est configuré pour commander ladite au moins une motorisation dudit chariot.Motorized trolley comprising at least one motor and a receptacle for holding a stretcher according to claim 11, wherein the gripping device (10) is configured to control said at least one motorisation of said trolley.
EP20192777.9A 2019-09-13 2020-08-26 Device for gripping a stretcher, associated stretcher and motorised carriage with integrated wireless controls for motorised functions Active EP3791843B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1910146A FR3100709A1 (en) 2019-09-13 2019-09-13 GRIPPING DEVICE FOR A STRETCHER, STRETCHER AND MOTORIZED TROLLEY ASSOCIATED WITH INTEGRATED WIRELESS CONTROLS FOR MOTORIZED FUNCTIONS

Publications (3)

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EP3791843A1 true EP3791843A1 (en) 2021-03-17
EP3791843B1 EP3791843B1 (en) 2023-07-05
EP3791843C0 EP3791843C0 (en) 2023-07-05

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EP20192777.9A Active EP3791843B1 (en) 2019-09-13 2020-08-26 Device for gripping a stretcher, associated stretcher and motorised carriage with integrated wireless controls for motorised functions

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EP (1) EP3791843B1 (en)
ES (1) ES2949796T3 (en)
FR (1) FR3100709A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001070161A1 (en) 2000-03-17 2001-09-27 Stryker Corporation Stretcher with castor wheels
EP1693035A1 (en) * 2003-11-25 2006-08-23 Medlog S.A. Self-propelled stretcher support suitable for use in the medical field
US20130150928A1 (en) * 2011-12-08 2013-06-13 North American Rescue, Llc Litter with Integrated Power Supply

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001070161A1 (en) 2000-03-17 2001-09-27 Stryker Corporation Stretcher with castor wheels
EP1693035A1 (en) * 2003-11-25 2006-08-23 Medlog S.A. Self-propelled stretcher support suitable for use in the medical field
US20130150928A1 (en) * 2011-12-08 2013-06-13 North American Rescue, Llc Litter with Integrated Power Supply

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Publication number Publication date
FR3100709A1 (en) 2021-03-19
ES2949796T3 (en) 2023-10-03
EP3791843B1 (en) 2023-07-05
EP3791843C0 (en) 2023-07-05

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