EP1149571A2 - System for controlling an operating table and operating table with such a system - Google Patents

System for controlling an operating table and operating table with such a system Download PDF

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Publication number
EP1149571A2
EP1149571A2 EP01401052A EP01401052A EP1149571A2 EP 1149571 A2 EP1149571 A2 EP 1149571A2 EP 01401052 A EP01401052 A EP 01401052A EP 01401052 A EP01401052 A EP 01401052A EP 1149571 A2 EP1149571 A2 EP 1149571A2
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EP
European Patent Office
Prior art keywords
microphone
actuator
voice
operating table
controlling
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.)
Withdrawn
Application number
EP01401052A
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German (de)
French (fr)
Other versions
EP1149571A3 (en
Inventor
Jean-Marie L'hegarat
Daniel Bedoure
Philippe Rocher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maquet SAS
Original Assignee
ALM SA
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 ALM SA filed Critical ALM SA
Publication of EP1149571A2 publication Critical patent/EP1149571A2/en
Publication of EP1149571A3 publication Critical patent/EP1149571A3/en
Withdrawn legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00Operating tables; Auxiliary appliances therefor
    • A61G13/02Adjustable operating tables; Controls therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/10General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/12Remote controls
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/10General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/18General characteristics of devices characterised by specific control means, e.g. for adjustment or steering by patient's head, eyes, facial muscles or voice
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/22Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G10L2015/223Execution procedure of a spoken command

Definitions

  • the present invention relates to controlling the movement of at minus part of an operating table.
  • the operating tables are now ordered from boxes remote control, wire or infrared transmission, and, conventionally, pedals doubling or complementing the remote control.
  • the remote controls are easy to use but require manipulation by the surgical team, with problems of availability of the latter, accessibility of the order and especially asepsis of the remote control.
  • the object of the present invention is to propose a system for operating table voice control without problems manipulation and asepsis while presenting a high security of implementation artwork.
  • a system is proposed. control of at least one movement, under the effect of an actuator, of at least part of an operating table, comprising, in series, at least one microphone, a device that discriminates from an individual voice profile, a voice recognition device, and an electronic control unit actuating the actuator in response to a voice command in the microphone.
  • a duly authorized and registered surgeon can order alone and with total security all table movements, without requiring the assistance of a third person, including in an environment noisy.
  • Figure 1 we recognize the main elements of a table of modern operation 1, namely a plate 2 made up of several parts articulated with respect to each other under the effect of actuator jacks 3, and a base 4 supporting the plate 2 via a telescopic column 5 incorporating at least one up / down cylinder and sensors down up. At least part of the table movements can be directly controlled by at least one pedal 6 supported by the base 4.
  • control system comprises a microphone 7 supported by a practitioner and connected, advantageously by radio voice, preferably digital, via a analog / digital transmitter-converter 8 and a receiver 9 associated with the table 1, to a control unit 10 containing a discriminator block 11, a phrase recognition block 12 connected to a microprocessor 13 outputting signals transmitted to an address decoder 14 for transmit control signals to converters, typically digital / analog 15 each controlling an actuator or cylinder 3.
  • a microphone 7 supported by a practitioner and connected, advantageously by radio voice, preferably digital, via a analog / digital transmitter-converter 8 and a receiver 9 associated with the table 1, to a control unit 10 containing a discriminator block 11, a phrase recognition block 12 connected to a microprocessor 13 outputting signals transmitted to an address decoder 14 for transmit control signals to converters, typically digital / analog 15 each controlling an actuator or cylinder 3.
  • the control system also includes a validation pedal 16 connected to the microprocessor 13 actuated by the practitioner to validate the voice commands and ensure, in priority processing, with immediate response, the STOP function.
  • the discriminator block 11 comprises a writable fixed memory area 110 and temporary memory area 111 at least part of the memory of which is advantageously constituted by a chip 112 of a smart card 20, personalized for each user, inserted in block 10.
  • the system works as follows: the user pronounces in the microphone 7 selected words or short sentences (UP / DOWN / UP / DOWN / STOP THIS / REPEAT THIS / STOP /, etc ).
  • the spectra of the words and sentences thus pronounced are analyzed in the discriminator 11 by comparison with standard words pre-recorded by the user in the card 20 so that the words or sentences spoken reach the sentence recognition block 12 only when block 11 has recognized a similarity to at least 95% of the profile of the speaker's voice expressed in the microphone 7 with the profile pre-recorded in the card 20.
  • the sentence recognition block 12 comprising software such as than that marketed by the company LEXTRONIC, with neural technology, compare spoken words with meaningful command words record and digitize these words as signals to the microprocessor 13 which, in a grammatical type process, determines whether the words correspond to order orders for one or other of the specific actuators 3. If this is the case and if a validation signal has been emitted by pedal 16, processor 13 emits a signal which is correlated in the address decoder 14 to the corresponding actuator 3, which receives a signal control analog transcribed from microprocessor output signal by the digital / analog converter 15 concerned.
  • maneuvering stop signals can be sent to the converters 15 from position or force detection sensors 21 providing analog signals converted into converter circuits analog / digital 22 in signals addressed to converters 15.
  • the treatment devices 11 and 12 can be grouped in a block integrated into the microphone 7 which can thus be individualized for each practitioner, which overcomes linguistic problems of different practitioners, keywords, in different languages being standardized and those actually used and vocalized in the "personalized" microphone being registered on a numbered board associated with the microphone.

Abstract

Device comprises a microphone (7), a discriminator (11) for recognition of the voice profile, a voice recognition device (12) and an electronic command unit for moving an actuator as required. Commands are given by a surgeon or user via the microphone and a validation unit (16) is pressed by the user to validate the command. The invention also relates to an operating table using such a command system.

Description

La présente invention concerne la commande du déplacement d'au moins une partie d'une table d'opération.The present invention relates to controlling the movement of at minus part of an operating table.

Les tables d'opération sont aujourd'hui commandées à partir de boítiers de télécommande, à fil ou à transmission infrarouge, et, classiquement, de pédales doublant ou complémentant la télécommande.The operating tables are now ordered from boxes remote control, wire or infrared transmission, and, conventionally, pedals doubling or complementing the remote control.

Les télécommandes, notamment sans fil, sont d'un usage facile mais imposent une manipulation de la part de l'équipe chirurgicale, avec les problèmes de disponibilité de ces dernières, d'accessibilité de la commande et surtout d'asepsie du boítier de télécommande.The remote controls, especially wireless, are easy to use but require manipulation by the surgical team, with problems of availability of the latter, accessibility of the order and especially asepsis of the remote control.

La présente invention a pour objet de proposer un système de commande vocale de table d'opération s'affranchissant des problèmes de manipulation et d'asepsie tout en présentant une grande sécurité de mise en oeuvre.The object of the present invention is to propose a system for operating table voice control without problems manipulation and asepsis while presenting a high security of implementation artwork.

Pour ce faire, selon l'invention, il est proposé un système de commande d'au moins un déplacement, sous l'effet d'un actionneur, d'au moins une partie d'une table d'opération, comprenant, en série, au moins un microphone, un dispositif discriminateur d'un profil vocal individuel, un dispositif de reconnaissance de voix, et une unité de commande électronique actionnant l'actionneur en réponse à un ordre vocal prononcé dans le microphone.To do this, according to the invention, a system is proposed. control of at least one movement, under the effect of an actuator, of at least part of an operating table, comprising, in series, at least one microphone, a device that discriminates from an individual voice profile, a voice recognition device, and an electronic control unit actuating the actuator in response to a voice command in the microphone.

Avec un tel système, un chirurgien, dûment habilité et enregistré, peut commander seul et avec une totale sécurité tous les mouvements de la table, sans nécessiter l'aide d'une tierce personne, y compris dans un environnement bruyant. With such a system, a duly authorized and registered surgeon can order alone and with total security all table movements, without requiring the assistance of a third person, including in an environment noisy.

La présente invention sera mieux comprise au vu de la description suivante d'un mode de réalisation, donné à titre illustratif mais nullement limitatif, fait en relation avec les dessins annexés, sur lesquels :

  • la figure 1 est une représentation schématique d'une utilisation d'une table d'opération munie d'un système de commande selon l'invention; et
  • la figure 2 est un bloc diagramme d'un système de commande vocale selon l'invention.
The present invention will be better understood in the light of the following description of an embodiment, given by way of illustration but in no way limiting, made in relation to the appended drawings, in which:
  • Figure 1 is a schematic representation of a use of an operating table provided with a control system according to the invention; and
  • Figure 2 is a block diagram of a voice control system according to the invention.

Sur la figure 1 on reconnaít les éléments principaux d'une table d'opération moderne 1, à savoir un plateau 2 constitué de plusieurs parties articulées les unes par rapport aux autres sous l'effet de vérins actionneurs 3, et un socle 4 supportant le plateau 2 via une colonne télescopique 5 incorporant au moins un vérin de montée/descente et des capteurs de montée/descente. Au moins une partie des mouvements de la table peut être commandée directement par au moins une pédale 6 supportée par le socle 4.In Figure 1 we recognize the main elements of a table of modern operation 1, namely a plate 2 made up of several parts articulated with respect to each other under the effect of actuator jacks 3, and a base 4 supporting the plate 2 via a telescopic column 5 incorporating at least one up / down cylinder and sensors down up. At least part of the table movements can be directly controlled by at least one pedal 6 supported by the base 4.

En référence également avec la figure 2, le système de commande selon l'invention comprend un microphone 7 supporté par un praticien et relié, avantageusement par voix hertzienne, de préférence numérique, via un émetteur-convertisseur analogique/numérique 8 et un récepteur 9 associé à la table 1, à un boítier de commande 10 contenant un bloc discriminateur 11, un bloc de reconnaissance de phrases 12 relié à un microprocesseur 13 fournissant en sortie des signaux transmis à un décodeur d'adresses 14 pour transmettre les signaux de commande à des convertisseurs, typiquement numériques/analogiques 15 commandant chacun un actionneur ou vérin 3.Referring also to Figure 2, the control system according to the invention comprises a microphone 7 supported by a practitioner and connected, advantageously by radio voice, preferably digital, via a analog / digital transmitter-converter 8 and a receiver 9 associated with the table 1, to a control unit 10 containing a discriminator block 11, a phrase recognition block 12 connected to a microprocessor 13 outputting signals transmitted to an address decoder 14 for transmit control signals to converters, typically digital / analog 15 each controlling an actuator or cylinder 3.

Le système de commande comporte en outre une pédale de validation 16 reliée au microprocesseur 13 actionnée par le praticien pour valider les ordres vocaux et assurer, en traitement prioritaire, avec réponse immédiate, la fonction STOP.The control system also includes a validation pedal 16 connected to the microprocessor 13 actuated by the practitioner to validate the voice commands and ensure, in priority processing, with immediate response, the STOP function.

La totalité des instructions vocales étant directement transformées et traitées en numérique, les problèmes d'interférences avec les nombreuses sources électromagnétiques dans une salle d'opération sont quasiment éliminés. All of the voice instructions are directly transformed and digital, interference problems with the many electromagnetic sources in an operating room are almost eliminated.

Selon un aspect de l'invention, le bloc discriminateur 11 comprend une zone de mémoire fixe inscriptible 110 et une zone de mémoire temporaire 111 dont au moins une partie de la mémoire est avantageusement constituée par une puce 112 d'une carte à puce 20, personnalisée pour chaque utilisateur, insérée dans le bloc 10.According to one aspect of the invention, the discriminator block 11 comprises a writable fixed memory area 110 and temporary memory area 111 at least part of the memory of which is advantageously constituted by a chip 112 of a smart card 20, personalized for each user, inserted in block 10.

Le fonctionnement du système est le suivant :
   l'utilisateur prononce dans le microphone 7 des mots ou phrases courtes sélectionnés (MONTER / DESCENDRE / UP / DOWN / CESSER CELA / RECOMMENCER CELA / STOP /, etc ...). Les spectres des mots et phrases ainsi prononcés sont analysés dans le discriminateur 11 par comparaison avec des mots types pré-enregistrés par l'utilisateur dans la carte 20 de sorte que les mots ou phrases prononcés n'atteignent le bloc de reconnaissance de phrases 12 que lorsque le bloc 11 aura reconnu une similitude à au moins 95 % du profil de la voix du locuteur s'exprimant dans le microphone 7 avec le profil pré-enregistré dans la carte 20.
The system works as follows:
the user pronounces in the microphone 7 selected words or short sentences (UP / DOWN / UP / DOWN / STOP THIS / REPEAT THIS / STOP /, etc ...). The spectra of the words and sentences thus pronounced are analyzed in the discriminator 11 by comparison with standard words pre-recorded by the user in the card 20 so that the words or sentences spoken reach the sentence recognition block 12 only when block 11 has recognized a similarity to at least 95% of the profile of the speaker's voice expressed in the microphone 7 with the profile pre-recorded in the card 20.

Le bloc de reconnaissance de phrases 12, comportant un logiciel tel que celui commercialisé par la société LEXTRONIC, à technologie neuronale, compare les mots prononcés avec des mots significatifs de commandes enregistrées et numérise ces mots sous forme de signaux adressés au microprocesseur 13 qui, dans un processus de type grammatical, détermine si les mots correspondent à des ordres de commande pour l'une ou l'autre des actionneurs particuliers 3. Si tel est le cas et si un signal de validation a été émis par la pédale 16, le processeur 13 émet un signal qui est corrélé dans le décodeur d'adresses 14 à l'actionneur correspondant 3, qui reçoit un signal analogique de commande transcrit du signal de sortie du microprocesseur par le convertisseur numérique/analogique 15 concerné.The sentence recognition block 12, comprising software such as than that marketed by the company LEXTRONIC, with neural technology, compare spoken words with meaningful command words record and digitize these words as signals to the microprocessor 13 which, in a grammatical type process, determines whether the words correspond to order orders for one or other of the specific actuators 3. If this is the case and if a validation signal has been emitted by pedal 16, processor 13 emits a signal which is correlated in the address decoder 14 to the corresponding actuator 3, which receives a signal control analog transcribed from microprocessor output signal by the digital / analog converter 15 concerned.

En sus des commandes vocales, des commandes de secours directement par la pédale 6, ou à la place de certaines d'entre elles, des signaux d'arrêts de manoeuvres peuvent être adressés aux convertisseurs 15 en provenance de capteurs de détection de position ou d'effort 21 fournissant des signaux analogiques convertis dans des circuits convertisseurs analogiques/numériques 22 en signaux adressés aux convertisseurs 15.In addition to voice commands, emergency commands directly by pedal 6, or instead of some of them, maneuvering stop signals can be sent to the converters 15 from position or force detection sensors 21 providing analog signals converted into converter circuits analog / digital 22 in signals addressed to converters 15.

En variante également, comme représenté par la liaison en pointillés et le raccord 17 sur la Figure 2, les dispositifs de traitement 11 et 12 peuvent être regroupés dans un bloc intégré au micro 7 qui peut ainsi être individualisé pour chaque praticien, ce qui permet de s'affranchir des problèmes linguistiques des différents praticiens, des mots-clés, en différentes langues étant standardisés et ceux effectivement utilisés et vocalisés dans le micro "personnalisé" étant inscrits sur un tableau numéroté associé au micro.Alternatively also, as shown by the dotted line and the connector 17 in FIG. 2, the treatment devices 11 and 12 can be grouped in a block integrated into the microphone 7 which can thus be individualized for each practitioner, which overcomes linguistic problems of different practitioners, keywords, in different languages being standardized and those actually used and vocalized in the "personalized" microphone being registered on a numbered board associated with the microphone.

Quoique l'invention ait été décrite en relation avec un mode de réalisation particulier, elle ne s'en trouve pas limitée mais est susceptible de modifications et de variantes qui apparaítront à l'homme de métier dans le cadre des revendications qui suivent.Although the invention has been described in relation to a mode of particular achievement, it is not limited but is likely to modifications and variants which will appear to those skilled in the art in the The scope of the following claims.

Claims (8)

Système de commande d'au moins un déplacement, sous l'effet d'un actionneur (3), d'au moins une partie d'une table d'opération (1), comprenant, en série : un microphone (7), un dispositif (11) discriminateur d'un profil vocal, un dispositif (12) de reconnaissance de voix, une unité (13) de commande électronique actionnant l'actionneur en réponse à un ordre vocal prononcé dans le microphone, et un organe de validation (16), actionnable par le locuteur, relié à l'unité de commande électronique (13) pour autoriser la commande de l'actionneur en réponse à l'ordre vocal.System for controlling at least one movement, under the effect of a actuator (3), of at least part of an operating table (1), comprising, in series: a microphone (7), a device (11) discriminating a voice profile, a voice recognition device (12), a control unit (13) electronics actuating the actuator in response to a spoken voice command in the microphone, and a validation member (16), actuable by the speaker, connected to the electronic control unit (13) to authorize the actuator control in response to voice command. Système selon la revendication 1, caractérisé en ce que l'organe de validation (16) est une pédale.System according to claim 1, characterized in that the validation member (16) is a pedal. Système selon l'une des revendications 1 et 2, caractérisé en ce que le dispositif discriminateur (11) comprend au moins une première zone de mémoire (111) pour une identification d'une voix individuelle.System according to one of claims 1 and 2, characterized in that the discriminator device (11) comprises at least a first memory area (111) for identification of an individual voice. Système selon la revendication 3, caractérisé en ce que la première zone de mémoire comprend au moins une portion de type amovible transportable (112).System according to claim 3, characterized in that the first memory area comprises at least one portion of transportable removable type (112). Système selon la revendication 4, caractérisé en ce que ladite portion de mémoire amovible transportable est portée par une carte à puce (20).System according to claim 4, characterized in that said removable transportable memory portion is carried by a smart card (20). Système selon l'une des revendications précédentes, caractérisé en ce que le microphone (7) est relié par voie hertzienne numérique à un récepteur (9) associé à la table (1).System according to one of the preceding claims, characterized in that the microphone (7) is connected by digital radio link to a receiver (9) associated with the table (1). Système selon l'une des revendications précédentes, caractérisé en ce qu'il comprend au moins un capteur (21) de suivi de déplacement de l'actionneur (3).System according to one of the preceding claims, characterized in that it comprises at least one sensor (21) for monitoring the movement of the actuator (3). Table d'opération équipée d'un système de commande selon l'une des revendications précédentes.Operating table equipped with a control system according to one of the preceding claims.
EP01401052A 2000-04-27 2001-04-25 System for controlling an operating table and operating table with such a system Withdrawn EP1149571A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0005394 2000-04-27
FR0005394A FR2808186B1 (en) 2000-04-27 2000-04-27 OPERATING TABLE CONTROL SYSTEM AND OPERATING TABLE COMPRISING SUCH A SYSTEM

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EP1149571A2 true EP1149571A2 (en) 2001-10-31
EP1149571A3 EP1149571A3 (en) 2002-05-08

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EP2027844A1 (en) * 2007-08-20 2009-02-25 Hill-Rom Services, Inc. Proximity activiation of voice operation of hospital bed
EP2168547A1 (en) 2008-09-29 2010-03-31 Gymnauniphy, Naamloze Vennootschap Treatment couch

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FR2808186A1 (en) 2001-11-02
FR2808186B1 (en) 2003-02-21
EP1149571A3 (en) 2002-05-08
US6462500B1 (en) 2002-10-08

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