WO2016001088A1 - Système de commande d'un appareil médical et procédé pour assurer un fonctionnement fiable d'appareils médicaux au moyen dudit système de commande d'appareil médical - Google Patents

Système de commande d'un appareil médical et procédé pour assurer un fonctionnement fiable d'appareils médicaux au moyen dudit système de commande d'appareil médical Download PDF

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Publication number
WO2016001088A1
WO2016001088A1 PCT/EP2015/064543 EP2015064543W WO2016001088A1 WO 2016001088 A1 WO2016001088 A1 WO 2016001088A1 EP 2015064543 W EP2015064543 W EP 2015064543W WO 2016001088 A1 WO2016001088 A1 WO 2016001088A1
Authority
WO
WIPO (PCT)
Prior art keywords
medical device
receiving module
control system
further radio
device control
Prior art date
Application number
PCT/EP2015/064543
Other languages
German (de)
English (en)
Inventor
Rudolf Marka
Serhan Özhan
Gel HAN
Original Assignee
Trumpf Medizin Systeme Gmbh + Co. Kg
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 Trumpf Medizin Systeme Gmbh + Co. Kg filed Critical Trumpf Medizin Systeme Gmbh + Co. Kg
Publication of WO2016001088A1 publication Critical patent/WO2016001088A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0252—Radio frequency fingerprinting
    • G01S5/02521—Radio frequency fingerprinting using a radio-map
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/107—Network architectures or network communication protocols for network security for controlling access to devices or network resources wherein the security policies are location-dependent, e.g. entities privileges depend on current location or allowing specific operations only from locally connected terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00212—Electrical control of surgical instruments using remote controls
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00221—Electrical control of surgical instruments with wireless transmission of data, e.g. by infrared radiation or radiowaves
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
    • G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
    • G16H40/63—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/14—Multichannel or multilink protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H04W36/142—Reselecting a network or an air interface over the same radio air interface technology
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/305—Handover due to radio link failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the invention relates to a medical device control system and a method for safely operating medical devices, in particular a system and a method for safe operation of medical devices via mobile control units.
  • a secure data transmission between mobile control units and medical devices is particularly necessary if it comes through a disconnection of the data transmission to a risk to a patient or operator, for example, when a collapsed patient must be placed on an operating table about a start Trendelenburgposition in a shock situation and this is not possible due to a fault.
  • a medical device must not be operated by mobile control units, which are located outside of a visual contact, otherwise movements are carried out uncontrollably, which in turn leads to hazards for patients or third parties.
  • the invention is therefore based on the object to provide a medical device control system and a method for safe operation of medical devices that do not have the above disadvantages and ensure a reliable data transfer between a mobile control unit and the medical devices.
  • the object is achieved by a medical device control system according to claim 1 and a method according to claim 15. Further developments of the invention are the subject of the dependent claims.
  • the medical device control system and method according to the invention make it possible to ensure a reliable data connection from mobile control units to medical devices, which reliably prevents a termination of the data connection between a mobile control unit and a medical device.
  • Fig. 1 is a perspective view of an operating room
  • FIG. 2 shows a floor plan of a building area with operating theaters.
  • FIG. 1 shows a perspective view of an operating room as room 1 in a building area, for example in a hospital.
  • a surgical table and a plurality of operating lights are shown as medical devices 2.
  • a tablet PC is provided as a mobile control unit 3 for the medical devices 2.
  • the mobile control unit 3 is equipped with a WLAN transmitting and receiving module 4 and a first further radio transmitting and receiving module 5.
  • the medical devices 2 are each optionally equipped with a further WLAN transmitting and receiving module 11 and a further radio transmitting and receiving module 12.
  • a WLAN access point 6 and a second further radio transmitting and receiving module 7 are also available. If several such rooms 1 are present, each room is provided with at least one WLA access point 6 and at least one second further radio transmitting and receiving module 7.
  • a single WLAN access point 6 and a single second further wireless transmission and reception module 7 may be provided for a plurality of rooms 1.
  • the WLAN access point 6 and the second further radio transmitting and receiving module 7 may alternatively be provided outside of one of the rooms 1.
  • the WLAN access point 6 and the second further radio transmitting and receiving module 7 are connected to a control device 8.
  • the WLAN transceiver module 4, the optional further WLAN transceiver modules 11, the first further wireless transceiver module 5, the optional further wireless transceiver modules 12, the WLAN access points 6, the second further radio transmitting and receiving modules 7 and the control device 8 are components of a medical device control system.
  • the control device 8 is optionally wirelessly connected to the medical devices 2 via WLAN modules or further radio modules. Alternatively, the control device 8 is connected by means of cables to the medical devices 2 or is part of the medical devices 2.
  • the WLAN access point 6 is provided with at least one antenna, in particular a smart antenna.
  • the smart antenna can determine the direction in which a request from a device comes via WLA and then receives or sends targeted data from that direction or in that direction. As a result, there are fewer overlaps and glitches when using many devices, and higher data throughput is possible.
  • the WLAN access point 6 operates in a 5 GHz band.
  • the WLAN transceiver module 4 of the mobile control unit 3 and the further WLAN transceiver modules 11 of the medical devices 2 are provided with a respective address and transmit signals in the corresponding frequency band of the WLAN access point 6.
  • the WLAN access point 6 detects a signal strength of the signals transmitted by the WLAN transmitting and receiving module 4 and the further WLAN transmitting and receiving modules 11 and, via the received address, to the respective WLAN transmitting and receiving stations - Fangsmodul 4 and the other WLAN transmit and receive modules
  • receive modules 7 are in this embodiment "Bluetooth Low Energy” (BLE) modules.
  • these modules are, for example, RFID or ZigBee modules.
  • the control device 8 is provided with a memory area 9, in which data sets of signal strength combinations explained later, so-called “fingerprints", can be stored.
  • the mobile control unit 3 is designed to detect an interruption of a data connection between the WLAN transmitting and receiving module 4 and the WLAN access point 6 and thus an interruption of the data transmission.
  • the mobile control unit 3 is optionally designed to activate the first further radio transmitting and receiving module 5 in order to continue the data transmission over it.
  • the second further radio transmitting and receiving module 7 is optionally designed to transmit signals continuously at short intervals. These signals, so-called “Advertises” are received at the activated first further radio transmitting and receiving module 5 of this.
  • the medical device control system is designed to then form a data connection between the first further radio transmitting and receiving module 5 and the second further radio transmitting and receiving module 7 in order to ensure a redundant data connection when the data connection via WLAN is interrupted.
  • FIG. 2 shows a map of a floor plan of a building area 10.
  • two rooms 1, here the operating theaters, are shown. Outside the rooms, a hallway 13 extends.
  • one of the WLAN access points 6 is located in each of the rooms 1. Also on the corridor 13 one of the wireless access points 6 is provided.
  • one of the second further radio transmitting and receiving modules 7 is further arranged.
  • the communication is secured via another radio connection.
  • the mobile control unit 3 detects the interruption of data transmission via WLAN between the WLAN transceiver module 4 and the WLAN access point 6 and immediately activates the first further radio transceiver module 5.
  • the "ad vertisings" are received and transmitted between the first further radio transceiver module 5 and the second further radio transmitter module 5. and receive module 7, a data connection is established which replaces the data connection via WLAN.
  • the data between the mobile control unit 3 and the control device 8 are then transmitted via the further radio link.
  • the activation of the data connection between the first further radio transmitting and receiving module 5 and the second further radio transmitting and receiving module 7 can alternatively be done otherwise. In this case, for example, alternatively, the second further radio transmitting and receiving module 7 is activated when an interruption of the data connection via the WLA connection is detected.
  • a location of the medical devices 2 and the mobile control unit 3 is carried out via the detection of the signal strengths by the WLAN device and by the further radio device to ensure that the medical devices 2 are operated only via mobile control units 3 located in the room 1, in which the medical devices 2 are located or in a certain area of the room 1.
  • data sets for individual positions are stored in advance in the memory area 9 of the control device 8.
  • the respective signal strengths at the individual WLAN access points 6 for the individual items are stored once as the respective data sets ("fingerprints") in the memory area 9 ,
  • an image of a map with the floor plan of the building area to be detected is also stored in the memory area 9.
  • the signal strength of the signals transmitted by the WLAN transmitting and receiving module 4 and by the further WLAN transmitting and receiving modules 11 is assigned to the medical devices 2 or the mobile control unit 3 via the respective address the three WLA access points 6 detected. Alternatively, the detection via more or less wireless access points 6 is possible.
  • the signal strengths are then compared with the "fingerprints" and calculated using the map, i. determines in which of the rooms 1 the medical device 2 and / or the mobile control unit 3 are located.
  • the space 1 in which the mobile control unit 3 is located is known when the currently detected signal strength combination can be found in the memory area 9 in the same or approximately the same combination or by an algorithm.
  • the fingerprints recorded in advance can be used to deduce a position on the map.
  • the location via BLE is effected via the signal strengths, detected by the second further radio transmission and reception modules 7, of the signals emitted by the first further radio transmission and reception modules 5 and by the further radio transmission and reception modules 12.
  • a second additional radio transmitting and receiving module 7 is installed on the ceiling in each case.
  • the second additional radio transmitting and receiving module 7 need not necessarily be mounted on the ceiling, but should be centrally located in the room.
  • the receiving sensitivity of the second further radio transmitting and receiving modules 7 is reduced so that a clear distinction between the detected signal strengths from the different rooms is possible.
  • the reception sensitivity should be set so that signals from outside the room 1, in which the respective second further radio transmitting and receiving module 7 is located, are not detected or possibly with minimum signal strength.
  • each room is assigned in this embodiment, exactly a second further radio transmitting and receiving module 7. In alternative embodiments, each room may also be associated with a plurality or no further second radio transmission and reception module 7.
  • the determination in which room 1 the medical device 2 or the mobile control unit 3 is located is executed by the control device 8.
  • signals are transmitted by the WLAN transmitting and receiving module 4 whose signal strengths are detected at the three WLAN access points 6 and sent to the control device 8 for determining the position.
  • the signals of the WLAN transceiver module 4 and of the first further radio transceiver module 5 are not transmitted simultaneously but, for example, sequentially, if necessary cyclically, transmitted and / or received.
  • the determinations of the current position by means of the WLAN signal strengths and by means of the current space via the BLE localization are superimposed. As a result, an unambiguous determination of the space 1 in which the medical device 2 or the mobile control unit 3 is located is enabled.
  • the individual embodiments can be combined with each other.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un système de commande d'appareil médical pour appareil médical, qui comprend au moins une unité de commande (3) mobile, pour au moins un appareil médical (2), dotée d'un module d'émission et de réception WLAN (4) et d'un premier autre module d'émission et de réception radio (5), au moins un point d'accès WLAN (6) doté d'une antenne, au moins un deuxième autre module d'émission et de réception radio (7) et un dispositif de commande (8) pour l'appareil médical, ledit dispositif de commande étant relié audit au moins un point d'accès WLAN (6) et audit au moins un deuxième autre module d'émission et de réception radio (7), de manière à assurer une liaison de données redondante.
PCT/EP2015/064543 2014-06-30 2015-06-26 Système de commande d'un appareil médical et procédé pour assurer un fonctionnement fiable d'appareils médicaux au moyen dudit système de commande d'appareil médical WO2016001088A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014212661.4A DE102014212661A1 (de) 2014-06-30 2014-06-30 Medizingerätesteuerungssystem und Verfahren zum sicheren Betreiben von Medizingeräten durch das Medizingerätesteuerungssystem
DE102014212661.4 2014-06-30

Publications (1)

Publication Number Publication Date
WO2016001088A1 true WO2016001088A1 (fr) 2016-01-07

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PCT/EP2015/064543 WO2016001088A1 (fr) 2014-06-30 2015-06-26 Système de commande d'un appareil médical et procédé pour assurer un fonctionnement fiable d'appareils médicaux au moyen dudit système de commande d'appareil médical

Country Status (2)

Country Link
DE (1) DE102014212661A1 (fr)
WO (1) WO2016001088A1 (fr)

Cited By (6)

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Publication number Priority date Publication date Assignee Title
US11315681B2 (en) 2015-10-07 2022-04-26 Smith & Nephew, Inc. Reduced pressure therapy device operation and authorization monitoring
US11369730B2 (en) 2016-09-29 2022-06-28 Smith & Nephew, Inc. Construction and protection of components in negative pressure wound therapy systems
US11602461B2 (en) 2016-05-13 2023-03-14 Smith & Nephew, Inc. Automatic wound coupling detection in negative pressure wound therapy systems
US11712508B2 (en) 2017-07-10 2023-08-01 Smith & Nephew, Inc. Systems and methods for directly interacting with communications module of wound therapy apparatus
US11793924B2 (en) 2018-12-19 2023-10-24 T.J.Smith And Nephew, Limited Systems and methods for delivering prescribed wound therapy
US11974903B2 (en) 2017-03-07 2024-05-07 Smith & Nephew, Inc. Reduced pressure therapy systems and methods including an antenna

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US20090069640A1 (en) * 2007-09-06 2009-03-12 Eike Rietzel Control of a medical system
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US20130149967A1 (en) * 2005-10-13 2013-06-13 Abbott Medical Optical Inc. Reliable communications for wireless devices
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WO2005096568A1 (fr) * 2004-03-31 2005-10-13 Koninklijke Philips Electronics, N.V. Procede de positionnement de dispositifs medicaux sans fil avec une technologie de radiofrequences a courte portee
US20130283529A1 (en) * 2005-03-29 2013-10-31 Stryker Corporation Patient support apparatus communication systems
US20130149967A1 (en) * 2005-10-13 2013-06-13 Abbott Medical Optical Inc. Reliable communications for wireless devices
US20090069640A1 (en) * 2007-09-06 2009-03-12 Eike Rietzel Control of a medical system
US20130035109A1 (en) * 2011-08-01 2013-02-07 Aeroscout Ltd. Devices, Methods, and Systems for Radio Map Generation

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11315681B2 (en) 2015-10-07 2022-04-26 Smith & Nephew, Inc. Reduced pressure therapy device operation and authorization monitoring
US11783943B2 (en) 2015-10-07 2023-10-10 Smith & Nephew, Inc. Reduced pressure therapy device operation and authorization monitoring
US11602461B2 (en) 2016-05-13 2023-03-14 Smith & Nephew, Inc. Automatic wound coupling detection in negative pressure wound therapy systems
US11369730B2 (en) 2016-09-29 2022-06-28 Smith & Nephew, Inc. Construction and protection of components in negative pressure wound therapy systems
US11974903B2 (en) 2017-03-07 2024-05-07 Smith & Nephew, Inc. Reduced pressure therapy systems and methods including an antenna
US11712508B2 (en) 2017-07-10 2023-08-01 Smith & Nephew, Inc. Systems and methods for directly interacting with communications module of wound therapy apparatus
US11793924B2 (en) 2018-12-19 2023-10-24 T.J.Smith And Nephew, Limited Systems and methods for delivering prescribed wound therapy

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