MBAN channel management scheme using patient acuity information
地域：
Eindhoven
摘要
manage medical body area network (MBAN) channels to provide differentiated A system (120) and method (150) quality of service (QoS) based on patient acuity level. An available set of channels to be used by a plurality of MBAN systems (52) is identified (154). Channel access rules describing a set of channels for each of a plurality of MBAN priorities are generated (156). The plurality of MBAN priorities are based on patient acuity level. The channel access rules are communicated (158) to the plurality of MBAN systems (52). An MBAN system (52) of the plurality of MBAN systems (52) uses a channel from the set of channels corresponding to an MBAN priority assigned to the MBAN system (52). A hub device (60) configured to use the system (120) and method (150) is also provided.
說明書
This application is a national filing of PCT application Ser. No. PCT/IB2014/062408, filed Jun. 19, 2014, published as WO 2014/207624 on Dec. 31, 2014, which claims the benefit of U.S. Provisional Application Number 61/840,630 filed Jun. 28, 2013, which is incorporated herein by reference.
The present application relates generally to wireless communication. It finds particular application in conjunction with medical body area networks (MBANs), and will be described with particular reference thereto. However, it is to be understood that it also finds application in other usage scenarios and is not necessarily limited to the aforementioned application.
There is a general trend in the healthcare industry towards ubiquitous patient monitoring. Ubiquitous patient monitoring provides continuous and patient centric monitoring services during the whole care cycle and can significantly improve quality of care. For example, patient deterioration could be detected at an early stage and early intervention can effectively prevent severe adverse events. MBANs are one of the key enabling technologies for ubiquitous monitoring services. An MBAN replaces the tangle of cables tethering patients to their bedside monitoring units with wireless connections. An MBAN is a low-power wireless network of sensors around and/or on a patient used for monitoring a patient's physiological parameters.
權(quán)利要求
The invention claimed is:1. A medical body area network (MBAN) channel management system comprising:at least one controller comprising an electronic processor executing stored instructions to:identify an available set of channels to be used by a plurality of MBAN systems; generate channel access rules describing a set of channels for each of a plurality of MBAN priorities, the channels of the set of channels being channels of the available set of channels, the plurality of MBAN priorities corresponding to MBAN priorities assigned to the plurality of MBAN systems, and the MBAN priorities assigned to the plurality of MBAN systems based on patient acuity level; communicate the channel access rules to the plurality of MBAN systems, wherein an MBAN system of the plurality of MBAN systems uses a channel from the set of channels corresponding to the MBAN priority assigned to the MBAN system; receive reports from the plurality of MBAN systems describing changes in MBAN priority and changes in service area or service zone; and update at least one of the channels from a first MBAN priority to a second MBAN priority based on a change in the patient acuity level by, during the updating, increasing the number of channels in the sets of channels for the most prominent MBAN priorities, the most prominent MBAN priorities being those MBAN priorities most prominent in MBAN priority distributions of the plurality of MBAN systems. 2. The MBAN channel management system according to claim 1 , wherein the sets of channels for the plurality of MBAN priorities differ based upon the plurality of MBAN priorities. 3. The MBAN channel management system according to claim 1 , wherein the at least one controller is further configured to:generate the channel access rules for each of a plurality of service areas, or each of a plurality of service zones, of a medical institution within which the MBAN channel management system is used, the plurality of service areas corresponding to service areas of access points through which the plurality of MBAN systems communicate with the MBAN channel management system, and the plurality of service zones corresponding to collections of service areas; wherein the MBAN system uses a channel from the set of channels corresponding to the priority of the MBAN system and the service area or service zone within which the MBAN system is located. 4. The MBAN channel management system according to claim 1 , wherein each of the plurality of MBAN systems is located in one of a plurality of service areas, or one of a plurality of service zones, of a medical institution within which the MBAN channel management system is used, the plurality of service areas corresponding to service areas of access points through which the plurality of MBAN systems communicate with the MBAN channel management system, and the plurality of service zones corresponding to collections of service areas sharing common role. 5. The MBAN channel management system according to claim 1 , wherein the set of channels for one of the plurality of MBAN priorities includes more channels than the sets of channels for lower MBAN priorities of the plurality of MBAN priorities. 6. The MBAN channel management system according to claim 1 , wherein the set of channels for one of the plurality of MBAN priorities is a superset of the sets of channels for lower MBAN priorities of the plurality of MBAN priorities. 7. The MBAN channel management system according to claim 1 , wherein one of the plurality of MBAN priorities assigned to a patient is greater than MBAN priorities of the plurality of MBAN priorities assigned to patients with lower acuity levels. 8. The MBAN channel management system according to claim 4 , wherein the at least one controller is further programmed to:determine MBAN priority distributions for the plurality of service areas, or the plurality of service zones, based on the received reports; update the channel access rules based on the MBAN priority distributions; and communicate the updated channel access rules to the plurality of MBAN systems. 9. A medical body area network (MBAN) channel management method comprising:identifying an available set of channels to be used by a plurality of MBAN systems; for each MBAN system of the plurality of MBAN systems, determining patient acuity of a patient monitored by the MBAN system; generating channel access rules describing a set of channels for each of a plurality of MBAN priorities, the channels of the set of channels being channels of the available set of channels, the plurality of MBAN priorities corresponding to MBAN priorities assigned to the plurality of MBAN systems, and the MBAN priorities assigned to the plurality of MBAN systems based on the determined patient acuity level; communicating the channel access rules to the plurality of MBAN systems, wherein an MBAN system of the plurality of MBAN systems uses a channel from the set of channels corresponding to the MBAN priority assigned to the MBAN system; receiving reports from the plurality of MBAN system describing changes in MBAN priority and changes in service area or service zone; and updating at least one of the channels from a first MBAN priority to a second MBAN priority based on a change in the patient acuity level by increasing the number of channels in the sets of channels for the most prominent MBAN priorities, the most prominent MBAN priorities being those MBAN priorities most prominent in the MBAN priority distributions. 10. The MBAN channel management method according to claim 9 , wherein the sets of channels for the plurality of MBAN priorities differ based upon the plurality of MBAN priorities. 11. The MBAN channel management method according to claim 9 , further including:generating the channel access rules for each of a plurality of service areas, or each of a plurality of service zones, of a medical institution within which the MBAN channel management method is used, the plurality of service areas corresponding to service areas of access points through which the plurality of MBAN systems communicate with a device or system performing the MBAN channel management method, and the plurality of service zones corresponding to collections of service areas; wherein the MBAN system uses a channel from the set of channels corresponding to the priority of the MBAN system and the service area or service zone within which the MBAN system is located. 12. The MBAN channel management method according to claim 9 , wherein each of the plurality of MBAN systems is located in one of a plurality of service areas, or one of a plurality of service zones, of a medical institution within which the MBAN channel management method is used, the plurality of service areas corresponding to service areas of access points through which the plurality of MBAN systems communicate with a device or system performing the MBAN channel management method, and the plurality of service zones corresponding to collections of service areas sharing common role. 13. The MBAN channel management method according to claim 12 , further including:determining MBAN priority distributions for the plurality of service areas, or the plurality of service zones, based on the received reports; updating the channel access rules based on the MBAN priority distributions; and communicating the updated channel access rules to the plurality of MBAN systems. 14. The MBAN channel management method according to claim 9 , wherein the set of channels for one of the plurality of MBAN priorities includes more channels than the sets of channels for lower MBAN priorities of the plurality of MBAN priorities. 15. The MBAN channel management method according to claim 9 , wherein the set of channels for one of the plurality of MBAN priorities is a superset of the sets of channels for lower MBAN priorities of the plurality of MBAN priorities. 16. The MBAN channel management method according to claim 9 , wherein one of the plurality of MBAN priorities assigned to a patient is greater than MBAN priorities of the plurality of MBAN priorities assigned to patients with lower acuity levels. 17. The MBAN channel management method according to claim 9 , wherein the determining of patient acuity comprises receiving the patient acuity of the patient from a clinical decision support (CDS) engine comprising an electronic processor executing stored instructions. 18. A non-transitory computer readable medium carrying software which controls one or more processors to perform the method according to claim 9 . 19. A hub device of a medical body area network (MBAN) system, the hub device comprising:at least one controller comprising an electronic processor executing stored instructions to: determine an MBAN priority based on a patient acuity level of a corresponding patient; receive MBAN channel access rules describing a set of channels for each of a plurality of MBAN priorities, the channels of the set of channels being channels of an available set of channels for a medical institution within which the hub device is used, the plurality of MBAN priorities including the MBAN priority and corresponding to MBAN priorities assigned to a plurality of MBAN systems of the medical institution; select a channel from the set of channels corresponding to the MBAN priority; configure an MBAN of the MBAN system to use the selected channel; receive reports from the plurality of MBAN system describing changes in MBAN priority and changes in service area or service zone; and update at least one of the channels from a first MBAN priority to a second MBAN priority based on a change in the patient acuity level by increasing the number of channels in the sets of channels for the most prominent MBAN priorities, the most prominent MBAN priorities being those MBAN priorities most prominent in the MBAN priority distributions.
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