• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
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  • 优先权
    • 专利摘要:
    METHOD FOR TRANSMITTING AN ALARM, COMPUTER READING MEDIA, PATIENT MONITOR AND PATIENT MONITORING SYSTEM.A patient monitor includes a plurality of monitoring devices that collect data about a patient. An assessment unit determines the patient's condition from the collected data and generates an alarm if the patient's condition warrants notification of an appropriate medical guardian. A communication unit that transmits the alarm to an access point in a hospital network protocol of the Internet (IP), the communication device including a first transmitter to transmit the alarm using a primary link and a second transmitter to transmit the alarm using a secondary link in response to a transmission using primary link failure.
    公开号:BR112012025262A2
    申请号:R112012025262-3
    申请日:2011-03-09
    公开日:2021-05-25
    发明作者:Amjad A. Soomro；Mark S. Kotfila；Ruediger Schmitt；Phillip Raymond
    申请人:Koninklijke Philips Electronics N.V.；
    IPC主号:
    专利说明:

    METHOD FOR THE TRANSMISSION OF AN ALARM, READING MEDIA BY COMPUTER, MONITOR FOR PATIENT AND SYSTEM FOR PATIENT MONITORING
    DESCRIPTION 5 The following description refers to the medical arts, communication arts and related arts. It finds particular application in improving communication in medical monitoring systems, medical alarm systems and the like, through underlying networks in hospitals, 10 intensive care units, nursing homes, nursing homes, assisted care units, vehicles and systems for the emergency medical transport and the like. At present, the patient monitoring system continuously monitors the physiological condition of a patient, for example, in an intensive care unit (ICU). Physiological data collected from the patient is analyzed, for example, on a bedside monitor or on a patient information server. The analysis indicates whether the patient's condition requires notification of an appropriate physician responsible 20 through the generation of alarms. When alarms are generated by medical devices, they need to go through communication channels to be sent to the appropriate medical officer. In life-critical medical data applications, such as real-time outpatient monitoring via wireless links, patients often use mobile monitoring devices or battery-powered drives, such as heart patients using a mobile ECG device. It is necessary that alarms generated by a monitoring device are communicated to the responsible medical officer in a timely manner, normally specified by regulatory authorities. However, it is desirable to use the existing wireless infrastructure in health facilities,
    such as the IEEE 802.11 network, for the transport of medical data, including data for life-threatening medical applications.
    However, wireless channels are inherently error-prone by noise, network congestion, and the like. 5 The present application provides a new and improved system and method for patient monitoring that solves the aforementioned problems and other problems.
    According to one aspect, a method for transmitting an alarm is provided.
    A communication link is established between a multimodal patient monitoring device and an access point in a network, whereby the patient monitoring device communicates using a hospital Internet protocol network through the access points.
    Physiological data collected from the patient monitoring device is processed to determine if a patient condition requires the generation of an alarm.
    The alarm is transmitted using a primary channel between the patient monitor and the access points.
    The alarm is transmitted using a secondary channel 20 between the patient monitor and the access points in response to the alarm transmission attempts used in the event of a failure of the primary channel.
    According to another aspect, a patient monitor is provided.
    A plurality of monitoring devices collect data about the patient.
    An assessment unit determines the patient's condition from the collected data and generates an alarm if the patient's condition requires notification to an appropriate medical guardian.
    A communication unit that transmits the alarm to access points on a hospital Internet protocol (IP) network, the communication device including a first transmitter for transmitting the alarm using the primary channel and a second transmitter for transmitting the alarm using a secondary channel in response to a transmission using in the event of failure of the primary channel.
    One advantage is the consistent communication of medical alarms to an appropriate medical officer using the existing wireless 5 infrastructure.
    Another benefit is energy savings for the patient monitoring device.
    Still other advantages of the present invention will be appreciated by those skilled in the art after reading and understanding the following detailed description.
    The invention can be carried out with several components and component arrangements, and in several stages and stage arrangements.
    The drawings are for the purposes of illustrating the preferred embodiments only and are not to be construed as limiting the invention.
    FIGURE 1 is a diagrammatic illustration of a system for patient monitoring in accordance with the present application.
    FIGURE 2 is a diagrammatic illustration of a patient information server/patient monitoring device relationship.
    FIGURES 3 and 4 are flowcharts of the operation of the patient monitoring device in accordance with the present application. With reference to FIGURE 1, a patient (not shown) is monitored by various medical monitoring devices or sensors 10 that measure the patient's physiological parameters and generate physiological data indicative of them.
    These medical monitoring devices 10 may include an electrocardiographic (ECG) instrument with ECG electrodes, and a medical wrist monitor which may, for example, be configured for monitoring blood pressure, blood oxygenation (SpO2), pulse, or an or plus other physiological parameters.
    Other medical monitoring devices 10 may be associated with a patient, and not all of the aforementioned medical monitoring devices 10 must be associated with the patient at any given time.
    It should be appreciated that, although only two medical monitoring devices 10 are illustrated, more medical monitoring devices are contemplated.
    As used herein, medical monitoring devices mean data sources that indicate a patient's health or the like. 10 The electronics for receiving signals from the medical monitoring device and for optionally performing signal processing on these signals is configured in the illustrated embodiment as a multifunctional patient monitor device (PMD) 12, or it can be partially or partially realized. in total as onboard electronics arranged with one or more of the 10 medical monitoring devices or so on.
    It should also be appreciated that the medical monitoring devices 10 and the PMD 12 can also be configured in a single device.
    The PMD 12, for example, can be a mobile monitor with the patient, like the transmitter of an ambulatory monitoring system worn by the patient or similar.
    The medical monitoring devices 10 communicate the measured physiological data or other data to the 25 PMD 12. The PMD 12 serves as a binding point for the physiological data measured by the medical monitoring devices, and provides temporary storage for the data.
    The collected physiological data is concurrently transmitted to a controller 14 on the PMD 12. A physiological assessment unit 30 or computer program on the PMD evaluates the collected physiological data from the patient and determines whether the patient's condition requires notification to an appropriate medical guardian by generating an alarm signal.
    For example, the PMD 12 checks whether each measured parameter is approaching threshold values, whether a trend of any parameter is approaching a threshold, whether any parameter has no stability or fluctuates a lot, whether combinations of parameters are approaching whether a threshold, and whether other indicators of a patient need more or less monitoring or medical assistance.
    Thresholds include values that exceed or fall below a threshold based on time, severity, escalation, or the like. The PMD 12 also includes a communication unit 18 for transmitting the alarm signal wirelessly over a hospital network 20 to a patient information server 22 where patient alarms are triggered and stored.
    Patient alarm signals can also be transmitted 15 over the hospital network 20 to mobile patient information display systems 24. For example, a nurse can see or hear a patient's alarms in a nursing station 24' on the monitor the patient bedside 24'', on a bedside patient monitor, on a central monitoring station, a PDA, or the like.
    It should be appreciated that although only three mobile patient information displays 24 are illustrated, more mobile patient information displays are contemplated.
    The communication unit 18 controls a first transmitter 25 26 and a second transmitter 28 for transmitting the physiological data received by the controller 14 and receiving notices of received data, on primary and secondary channels to the hospital network 20. The first transmitter 26 tries to initially transmit the alarm signal to the hospital network 30 using a primary channel.
    The primary channel is a channel that is pre-programmed to be used when the patient monitoring system is operating normally.
    For example, a primary channel could be a shared wireless channel using IEEE 802.11 or Wi-Fi networking technologies. A primary channel could also be selected from a list of available wireless channels using IEEE network
    802.11 or Wi-Fi. The primary channel could be a specific 5 band radio frequency or a communication protocol. The selection of a primary channel could be done through user configuration or it could be done dynamically in a system, for example, operating channel selection algorithms, either in the PMD or by other entities in the system, for example, by points infrastructure access or through wireless channel management functions. If the attempt(s) to transmit the alarm signal on the primary channel with the first transmitter 26 fail, the communication unit 18 controls the second transmitted 15 28 to transmit the alarm signal on the secondary channels concurrently with the first transmitter 26 to maximize the probability of sending the alarm signal. Transmissions on the secondary channel are preferably transmitted in a broadcast mode. 20 Alternatively, transmissions on the secondary channel are sent in unicast mode to a predetermined list of receivers on the secondary channel(s). Preferably, the transmissions on the secondary channel(s) would occur after the transmission(s) on the primary channel are not successful and substantially immediately after that determination, without carrying out the secondary channel wireless network association protocols. The secondary channel(s) is (are) proposed to be one or more of the following: a specific radio frequency band, a communication protocol, 30 or more specifically, one or more channels used for active tag tracking, communication protocol(s) used for active tag tracking on IEEE networks
    802.11, one or more channels used for RFID tags,
    one or more channels used for IEEE 802.15.4 radios, one or more channels used for Zigbee radios, one or more channels used for Bluetooth radios, one or more predetermined locations and durations in a beacon time period of an IEEE 802.11 network , one or more time periods within the headlamp time period that should have a high probability of availability, such as time periods immediately before the IEEE network target beacon transmit times (TBTT)
    802.11, one or more dedicated wireless channels IEEE 802.11 10 reserved for transmissions must attempt to transmit in primary channel error, one or more channels used for cellular network technologies, such as, IP Multimedia Subsystem (IMS), GPRS, UMTS, CDMA2000, IS -95, GSM, CDMA, CDMA 1x, CDMA 1X EV-DO, UMTS on W-CDMA, UMTS on TDD, CDMA 3X EV-DO, HSPA D, HSPA 15U, EDGE, one or more channels used for wireless access from broadband such as IEEE 802.16, WiMAX, IEEE 802.22 or similar. The alarm signal is communicated to the hospital network 20 via a wireless communication link 30 between the PMD 12 and wireless access points (WAP) 32. The communication link 20 30 employs an IEEE 802.11 protocol that includes extensions for wireless services. quality (QoS), referred to generically herein as an 802.11-QoS protocol. In some embodiments, the 802.11 QoS protocol conforms to the IEEE standard
    802.11e. In some embodiments, the 802.11 QoS protocol conforms to the IEEE 802.11 EDCA standard, where the acronym “EDCA” stands for “enhanced distributed channel access”. The 802.11 QoS protocol may also employ a subset of the IEEE 802.11e standard protocol (ie, some features not implemented), or it may employ a superset of the IEEE 802.11e standard protocol (other features added), or it may employ a modified protocol with based on IEEE 802.11e, but with some features added to the standard and some standard features not implemented.
    It will be appreciated that the communication links 30 are illustrative examples, and that typically the communication system conforming to the 802.11-QoS protocol can support several and several dozen or more such communication links.
    Similarly, although a single WAP 32 is illustrated, typically the communication system conforming to the 802.11-QoS protocol may include one, two, three, four, ten, twenty, or more wireless access points distributed throughout the hospital complex. or in another medical facility to provide the desired coverage area for the communication system.
    In addition, although a single hospital network 20 is illustrated, the communication system can include one, two, three, four, ten or more networks distributed in the hospital network or 15 other medical facilities to provide the desired coverage area for the communication system.
    The secondary transmitter 28, in some embodiments, communicates with the hospital network 20 via different access points 32' from the first transmitter 26 in a different radio frequency band or via different wireless protocols.
    In another embodiment, the first 26 and second transmitters 28 communicate in the same frequency band and wireless protocol, but belong to different logical wireless networks. As illustrated in FIGURE 2, the PMD 12 transmits alarm signals 40 to the patient information server 22 and the mobile patient information display systems 24. In response to receiving alarm signals 40 from a PMD 12, the patient information server 22 and 30 the mobile patient information display systems 24 transmit a confirmation message 42, as an ACK message, to the transmitting PMD 12 informing the PMD 12 that the alarm signal 40 has been received by the patient information server. patient information 22 and the mobile patient information display systems 24. In one embodiment, the first transmitter 26 of the PMD 12 transmits the alarm signal to the patient information server 22 and the mobile patient information display systems 24 through the 20 wireless hospital network using a primary channel.
    If the alarm signal transmission was successful, the PMD 12 communication 18 will receive a confirmation message and continue to process the patient's physiological data 10 to determine if the patient's condition requires the generation of an alarm.
    If the PMD 12 does not receive a confirmation message 42 of transmission using the primary channel after a predetermined number of attempts, the PMD 12 transmits the alarm signal on a subset of the second channel established concurrently with the transmission of the signal. alarm on the primary channel until a confirmation message has been received via one of the channels.
    In another embodiment, the PMD 12 is configured to use an automatic power-save mode, such as the IEEE 802.11 APSD protocol or the like.
    The first transmitter 26 of the PMD 12 transmits the alarm signal on the primary channel using the IEEE 802.11 APSD protocol to the patient information server 22 and the mobile patient information display systems 25 24 via the wireless hospital network 20 for a period of time. predetermined time or for a predetermined number of times.
    If the alarm signal transmission is successful, the PMD 12 will receive a confirmation message and continue processing the patient's physiological data to determine if the patient's condition requires the generation of an alarm.
    If the PMD 12 does not receive a confirmation message 42 of transmission using the primary channel within the predetermined period of time or the predetermined number of times, the PMD 12 will transmit the alarm signal on a subset of the protocol of the secondary channel for a predetermined period. of time or for a predetermined number of times while/concurrently using the IEEE 802.11 APSD protocol on the primary channel.
    If the PMD 12 does not receive a transmission confirmation message 42 using the secondary channel within the predetermined period of time or the predetermined number of times, the PMD 12 returns to transmitting the alarm signal on the primary channel 10 using the IEEE 802.11 APSD protocol for a predetermined period of time or for a predetermined number of times.
    This is repeated until a confirmation message is received by the PMD 12. It will be appreciated that each of the PMD 12, the WAP 32, the hospital IP network 20, the patient information server 22 and the mobile information display systems of patients 24 described in various embodiments and figures herein include a computer-readable memory or media (not shown) that stores and one or more 20 processors (not shown) that execute computer-executed instructions to perform various functions, actions, steps, methods, etc., described herein.
    The memory may be a computer readable medium on which a control program, such as a disk, hard disk, or the like, is stored.
    Common forms of computer readable media include, for example, floppy disks, floppy disks, hard drives, magnetic tape or any other magnetic storage media, CD-ROM, DVD, or any other optical media, RAM, ROM, PROM, EPROM, FLASH-EPROM, its 30 variants, other memory chips or cartridges, or any other tangible media from which the processor can read and execute.
    In this context, the systems described herein may be implemented, either as one or more general purpose computers, special purpose computer(s), a programmed microprocessor or microcontroller and peripheral elements of integrated circuits, an ASIC or other integrated circuit, an digital signal processor, an electronic or cable-based logic circuit such as a discrete element circuit, a programmable logic device such as a PLD, PLA, FPGA, graphics card CPU (GPU), or PAL, or the like. Referring to FIGURE 3, a flowchart of the operation of the PMD is illustrated. In a step 100, a PMD connects to an access point on a primary channel using the primary channel's preferred wireless technology, such as IEEE
    802.11. The PMD collects physiological data from the associated patient and analyzes the data to determine if there is a condition that requires an alarm to be generated at a step 102. At a step 104, it is determined whether the alarm condition has been detected. If so, one or more attempts are made on the primary channel to transmit the alarm in a step 106. In step 106, transmission of the alarm(s) by the primary channel is attempted to the maximum for a first predetermined duration of time that is less than the tolerable latency of the alarm transmission or a first predetermined number of times. In a step 108, it is determined whether the transmission of the alarm was successful. If the alarm transmission has not been successful within the first predetermined duration of time or after the first predetermined number of attempts, then one or more attempts are made to transmit the alarm on a subset of the established secondary channel within a second maximum. predetermined duration 30 or for a second predetermined number of times in a step
    110. At the end of the second predetermined duration or after the second predetermined number of attempts, a check is made on the primary channel to detect whether confirmation of the alarm transmission has been received by the receiver in a step 112. Alternatively, step 110 may check a confirmation message after each transmission on the primary channel or one or more transmissions on the secondary channel.
    If 5 transmit acknowledgment receipt was received, then the PMD continues to process the physiological data to detect another alarm condition in step 102. However, if acknowledgment of transmit reception is not received, then the PMD continues to attempt to transmitting the alarm one or 10 more times on a sub-channel subset set at most for a second predetermined duration or for a second predetermined number of attempts in step 112. Referring to FIGURE 4, a flowchart of the operation of the PMD is illustrated.
    In another embodiment, a PMD 15 connects to an access point on a primary channel using IEEE802.11 wireless technology from the primary channel in a step 120. In a step 122, the PMD then configures itself to use the protocol IEEE 802.11 APSD.
    In a step 124, the PMD collects physiological data from the associated patient and analyzes the data to determine if a condition exists that requires an alarm to be generated.
    In a step 126, it is determined whether an alarm condition has been detected.
    If so, one or more attempts are made on the primary channel to transmit the alarm.
    Transmission of the alarm(s) over the primary channel is attempted at most for a first predetermined duration of time that is less than the tolerable latency of the alarm transmission or for a first predetermined number of times in a step 128. No At the end of the first predetermined duration or after the first predetermined number of transmission attempts, the PMD checks whether an acknowledgment of receipt of the transmission has been received in one step 130. In one embodiment, the PMD checks an acknowledgment after each transmission attempt.
    If acknowledgment of receipt of transmission is received, then the PMD continues to process the physiological data to detect the alarm condition in step 124. However, if acknowledgment of receipt of transmission is not received, then one or more 5 attempts are made. to transmit the alarm on a subset of the secondary channel established at most for a second predetermined duration or for a second predetermined number of times in a step 132. At the end of the second predetermined duration or after a second predetermined number of attempts, the PMD continues trying to transmit the alarm on the primary channel one or more times in step 128. And the process repeats until an acknowledgment of reception of the transmission is received.
    The process can be terminated by manual user intervention, such as resetting the alarm condition.
    The invention has been described with reference to preferred embodiments.
    Modifications and alterations to others may occur after reading and understanding the above detailed description.
    It is intended that the invention be understood to include all such modifications and alterations, to the fullest extent of the scope of the appended claims or their equivalents.
    权利要求:
    Claims (14)
    [1]
    1. METHOD FOR THE TRANSMISSION OF AN ALARM, characterized in that it comprises: establishment of a communication link between a multimodal device for patient monitoring (12) and one or more access points (32) in one or more networks (20) , whereby the patient monitoring device (12) communicates using a hospital Internet protocol (IP) network (20) via one or more 10 access points (32); processing the physiological data collected by the patient monitoring device (12) to determine whether a patient condition requires the generation of an alarm; 15 transmitting the alarm using a primary link between the patient monitor (12) and one or more access points (32); and transmitting the alarm using a secondary link between the patient monitor (12) and one or more access points (32) in response to attempts to transmit the alarm using the primary link failure.
    [2]
    2. METHOD, according to claim 1, characterized in that the transmission of the alarm is attempted as much as possible using the primary link for a first predetermined duration of time that is less than the tolerable latency of the transmission of the alarm or of a first predetermined number of times.
    [3]
    3. METHOD according to claim 1, further comprising: determining that a confirmation message was received in response to the attempt to transmit the alarm using the primary link to determine whether the transmission using the primary link was successful .
    [4]
    4. METHOD according to claim 1, characterized in that the primary link is at least one IEEE
    [5]
    802.11, a Wi-Fi network, and a specific radio frequency band. 5. METHOD according to claim 1, characterized in that the secondary link is at least a specific radio frequency band, one or more links used for active tag tracking, communication protocol(s) used for active tag tracking in IEEE 10 802.11 networks, one or more links used for RFID tags, one or more links used for Bluetooth radios, and one or more links used for cellular networking technologies.
    [6]
    6. COMPUTER READING MEDIA, characterized by carrying software for the control of one or more 15 processors to configure and carry out the method as defined in claim 1.
    [7]
    7. PATIENT MONITOR, characterized in that it comprises: a plurality of monitoring devices 20 (10) that collect data about a patient; an evaluation unit (16) which determines the patient's condition from the collected data and generates an alarm if the patient's condition warrants notification of an appropriate medical guardian; and 25 a communication unit (18) that transmits the alarm to one or more access points (32) in a hospital network Internet (IP) protocol (20), wherein the communication device (18) includes a first transmitter (26) to transmit the alarm using a primary link 30 and a second transmitter (28) to transmit the alarm using a secondary link in response to a transmission using primary link failure.
    [8]
    8. PATIENT MONITOR, according to claim 7, characterized in that the alarm transmission using the primary link is attempted at maximum for a first predetermined duration of time that is less than the tolerable latency of the alarm transmission or a first predetermined number of times.
    [9]
    9. MONITOR FOR PATIENT, according to claim 7, characterized in that the primary link is at least an IEEE 802.11, a Wi-Fi network, and a specific radio frequency band. 10
    [10]
    10. PATIENT MONITOR according to claim 8, characterized in that the secondary link is at least a specific radio frequency band, one or more links used for active tracking of tags, communication protocol(s) used for active tracking of 15 tags on IEEE 802.11 networks, one or more links used for RFID tags, one or more links used for Bluetooth radios, and one or more links used for cellular networking technologies.
    [11]
    11. PATIENT MONITOR, according to claim 7, characterized in that the patient monitor (12) is a battery-powered ambulatory monitor used by the patient.
    [12]
    12. A PATIENT MONITORING SYSTEM, comprising: a plurality of patient monitors (12) as defined in claim 7; and a patient information server (22) in communication with the hospital IP network (20) displaying and storing the transmitted alarm; 30 wherein the patient monitor (12) transmits the alarm using a primary link and transmits the alarm using a secondary link in response to a transmission using the primary link failure.
    [13]
    13. PATIENT MONITORING SYSTEM, according to claim 10, characterized in that the primary link is at least an IEEE 802.11, a Wi-Fi network and a specific radio frequency band. 5
    [14]
    14. PATIENT MONITORING SYSTEM according to claim 11, characterized in that the secondary link is at least a specific radio frequency band, one or more links used for active tracking of tags, communication protocol(s) used for 10 active tag tracking on IEEE 802.11 networks, one or more links used for RFID tags, one or more links used for Bluetooth radios, and one or more links used for cellular networking technologies.
    15. PATIENT MONITORING SYSTEM according to claim 11, characterized in that the transmission of the alarm using the primary link is attempted to the maximum for the first predetermined duration of time that is less than the tolerable latency of the transmission of the alarm or a predetermined first number of times.
    Hospital Network with Wire Patient Monitor Transmitter Unit A Com. Transmitter
    B Wireless Access Point Controller 1/3 Evaluation Unit Monitor Display Server Patient Patient Mobile Information Station Patient Side Information
    Alarm Signal Patient Information Server/Auxiliary Information Display System Patient Monitor.
    Confirmation Signal Start Connect to an access point on a primary channel Process Physiological Data Has a No alarm condition been detected Yes Broadcast the alarm on a primary channel for a predetermined duration or a predetermined number of times Was the alarm Yes broadcast successful No Broadcast the alarm on a subset of established secondary channels for a predetermined duration or for a predetermined number of times No Was the alarm Yes broadcast successful
    Home Connect with IEEE access point
    802.11 on a primary channel Enter IEEE operating mode
    802.11 APSD Process Physiological Data No alarm condition detected Yes Transmit alarm on a primary channel using IEEE 802.11 APSD protocol for a predetermined duration or for a predetermined number of times Has a Yes acknowledgment of receipt of alarm been received No Broadcast the alarm on a subset of established secondary channels for a predetermined duration or for a predetermined number of times
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    法律状态:
    2021-06-01| B08F| Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]|Free format text: REFERENTE A 10A ANUIDADE. |
    2021-06-22| B25D| Requested change of name of applicant approved|Owner name: KONINKLIJKE PHILIPS N.V. (NL) |
    2021-07-13| B25G| Requested change of headquarter approved|Owner name: KONINKLIJKE PHILIPS N.V. (NL) |
    2021-09-21| B08K| Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]|Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2630 DE 01-06-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |
    优先权:
    申请号 | 申请日 | 专利标题
    US32116610P| true| 2010-04-06|2010-04-06|
    US61/321,166|2010-04-06|
    PCT/IB2011/050990|WO2011124993A2|2010-04-06|2011-03-09|System and method for highly reliable delivery of life-critical alarms through shared wireless channels|
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