US20110112854A1 - Method and system for integration of clinical and facilities management systems - Google Patents

Method and system for integration of clinical and facilities management systems Download PDF

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Publication number
US20110112854A1
US20110112854A1 US12/941,197 US94119710A US2011112854A1 US 20110112854 A1 US20110112854 A1 US 20110112854A1 US 94119710 A US94119710 A US 94119710A US 2011112854 A1 US2011112854 A1 US 2011112854A1
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Prior art keywords
scheduling
building
clinical
management system
context providing
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US12/941,197
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English (en)
Inventor
Timothy E. Koch
Scott R. Winfrey
Von E. Lambert
Diane P. Rock
Denise Bauer Nyberg
Thomas S. Hicks
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HDR ARCHITECTURE Inc
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HDR ARCHITECTURE Inc
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Priority to US12/941,197 priority Critical patent/US20110112854A1/en
Assigned to HDR ARCHITECTURE, INC. reassignment HDR ARCHITECTURE, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LAMBERT, VON E., NYBERG, DENISE BAUER, ROCK, DIANE P., HICK, THOMAS S., KOCH, TIMOTHY E., WINFREY, SCOTT R.
Publication of US20110112854A1 publication Critical patent/US20110112854A1/en
Priority to US14/742,353 priority patent/US10325334B2/en
Priority to US16/422,358 priority patent/US10726512B2/en
Priority to US16/913,453 priority patent/US11341432B2/en
Abandoned legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/22—Social work or social welfare, e.g. community support activities or counselling services
    • 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
    • G16H40/20—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 management or administration of healthcare resources or facilities, e.g. managing hospital staff or surgery rooms

Definitions

  • Context providing systems are systems that include or have access to information that about the operation of the facility or its occupants.
  • Healthcare facilities often include one or more context providing systems examples of which include, electronic record management systems, registration systems, and scheduling systems.
  • These facilities can be quite large and require a substantial amount of energy or other resources when in operation. However, at any given time, only a portion of these facilities may be in use. This can result in substantial waste of energy and other resources.
  • Surgical suites have unique requirements for effective ventilation.
  • anesthetic gas and vapors that leak out into the surrounding room during medical and surgical procedures are considered waste anesthetic gases. They include nitrous oxide and halogenated agents (vapors) such as enflurane, isoflurane, sevoflurane, desflurane, and halothane.
  • vapors nitrous oxide and halogenated agents
  • Potential adverse health effects of exposure to waste anesthetic gases include loss of consciousness, nausea, dizziness, headaches, fatigue, irritability, drowsiness, problems with coordination and judgment, as well as sterility, miscarriages, birth defects, cancer, and liver and kidney disease.
  • airborne contaminants such as microorganisms may contribute to post operative infections in patients. These contaminants can most effectively be removed with adequate circulation that includes exchanges of the air in the operating room with clean filtered air.
  • HVAC heating, ventilation, and air conditioning
  • the automated system includes a context providing system capable of determining the state of a parameter and a facilities management system in communication with the context providing system.
  • An integration protocol is configured to facilitate communication between the context providing system and the facilities management system and the facilities management system allocates resources or disseminates information based upon the value of the parameter provided by the context providing system.
  • the system includes a building management system and a clinical system.
  • the clinical system may include schedule data relating to a usage schedule for the area.
  • An integration protocol is configured to provide the schedule data to the building management system, whereby the building management system
  • Yet another aspect of the present disclosure is a system for controlling an HVAC system in a building configured to regulate environmental conditions in a zone.
  • the system includes a building control system configured to provide a control signal to the HVAC system and a scheduling system in communication with the building control system and including schedule of use data for the zone.
  • the control signal provided is based upon the schedule of use data that is provided to the building control system by the scheduling system.
  • FIG. 1 is a schematic view of a prior art HVAC system for use with a surgical suite.
  • FIG. 2 is a schematic view for an improved HVAC system.
  • a prior art HVAC system 10 for use in controlling the climate of a surgical suite or operating room 12 is provided to ventilate and heat or cool the suite.
  • the HVAC system utilizes a building management system 14 .
  • building management system For purposes of this description, the terms “building management system,” “building automation system,” building management and control system,” or other similar terms may be considered interchangeable and refer to systems for controlling environmental and lighting conditions.
  • Air is circulated out of the suite and mixed with outside air.
  • Damper 16 allows for a portion of the air from operating room 12 to be vented as exhaust while outside air is drawn in through damper 18 .
  • the mixed air is then heated or cooled by heat exchangers/coils coupled to a central utility plant 20 .
  • the central utility plant 20 typically includes a boiler 22 for providing hot water or steam and a chiller 24 for providing chilled water to the heat exchangers/coils 26 and 28 .
  • Boiler 22 may also provide steam for humidification
  • the air is then passed through filter 30 to remove particulates. Filter 30 may be monitored by the building management system 14 to record loadings and provide an indication when the filter should be cleaned or replaced.
  • the filtered air may then be passed through a reheat heat exchange 32 to that the air is supplied to the surgical suite at a temperature chosen to raise or lower the ambient temperature of the surgical suite to a preselected temperature. Blowers 34 and 36 are used to draw the return air out of the surgical suite and to drive the supply air in.
  • Dampers and airflow measuring stations may be used to achieve a predetermined ratio of outside air to recirculated air.
  • the system may be configured to provide 15 air changes with three outside air changes every hour.
  • the system may be configured to provide 25 air changes per hour, or any other level of air circulation that may be delivered by the HVAC equipment.
  • the building management system is used to actively control the HVAC system of FIG. 1 .
  • Sensors detecting airflow, temperature, and/or humidity may be used by the building management system to determine settings for control dampers, control valves, and blowers to achieve the required temperature, humidity, and/or ventilation in the surgical suite.
  • temperature sensors in the surgical suite may be used to provide temperature readings used by a feedback loop to achieve or maintain a desired preset temperature in the surgical suite.
  • the building management system may determine a set point based on an operating mode. The mode may be selected by a person wanting to change the operating mode.
  • a clinical system shown as surgical suite scheduling system 111 is used to schedule surgical procedures throughout a facility.
  • An integration protocol 113 is provided to translate and route scheduling data from the surgical scheduling system 111 to the building management system 114 .
  • One example of a suitable integration engine is CLOVERLEAF, an integration system provided by HEALTHVISION of Irving, Tex.
  • the integration engine translates data from the surgical scheduling system 111 that may be formatted in HEALTH LEVEL 7 (HL7) standard format, to a format such as XML.
  • HL7 HEALTH LEVEL 7
  • a second conversion may them be made from XML to a building management system compatible format (i.e., LONWORKS, BACNET, Modbus, etc.) that may be read by the building management system 114 .
  • damper 116 allows for a portion of the air from operating room 112 to be vented as exhaust while outside air is drawn in through damper 118 . Additionally, damper 116 may be placed inline with dampers 116 and 118 to further regulate the flow of air.
  • the mixed air is then heated or cooled by heat exchangers/coils coupled to a central utility plant 120 .
  • the central utility plant 120 typically includes a boiler 122 for providing hot water or steam and a chiller 124 for providing chilled water to the heat exchangers/coils 126 and 128 .
  • Boiler 122 may also provide steam for humidification.
  • the air is then passed through filter 130 to remove particulates.
  • Filter 130 may be monitored by the building management system 114 to record loadings and provide an indication when the filter should be cleaned or replaced.
  • a particle counter may be placed in or in fluid communication with the air stream down stream of the filter. Such a device could be used to monitor actual performance of the filter and better indicate cleaning and/or replacement.
  • the filtered air may then be passed through a reheat heat exchange 132 to that the air is supplied to the surgical suite at a temperature chosen to raise or lower the ambient temperature of the surgical suite to a preselected temperature.
  • Blowers 134 and 136 are used to draw the return air out of the surgical suite and to drive the supply air in.
  • Dampers and airflow measuring stations may be used to achieve a predetermined ratio of outside air to recirculated air. For example, the system may be configured to provide 15 air changes with three outside air changes every hour.
  • Another advantage that may be realized is in surgical suite scheduling for Level I trauma centers. These centers are required to keep a minimum of one operating room available and ready for a trauma patient at all times. Keeping a single room in this state can lead to substantial costs. Accordingly, the scheduling system may be integrated with the building management system in a way that allows one operating room to be available at all times, but it may not be a single room. Rather an efficient scheduling decision may be programmed by which one of several rooms is designated based on surgical and maintenance schedules for the other rooms.
  • FIG. 2 illustrates an air handling unit serving a single surgery room. This same concept can be applied to an air handling unit serving multiple surgery rooms. If this is done, supply and return air terminal units with air flow sensors would need to be provided for each surgery room. Other configurations may be possible; however, any such configuration preferably has the ability to keep the surgical suite positively pressurized at all times regardless of varying supply airflow. For example, in lieu of a return air terminal unit, a pressure monitor with return control damper may be used.
  • Information about surgical suite scheduling may then be used by the building management system 114 to determine which of two HVAC system modes should be used at a given time.
  • the HVAC system 110 when the system is in “Surgery” mode the HVAC system 110 operates to achieve a minimum of 15 air changes with three outside air changes every hour. This mode would by selected by the building management system 114 in advance of and during any scheduled surgical procedures.
  • the system may operate in a “Setback” mode. In Setback mode, the HVAC system 110 may operate to achieve 3.75 air changes per hour with 0.75 outside air changes.
  • the AIA and ASHRAE state that the air changes can be reduced to 25% of suggested values during set back periods. Alternatively, other reduced levels of ventilation may be selected.
  • More than one set of operating conditions may be associated with the surgical mode. For example, different surgeons may have different preferred temperatures for the rooms in which they operate. To accommodate these different preferences, the surgical scheduling system could include a field for an identifier of the surgeon who will be operating in a room when it is scheduled to be in use. A database could be created that includes, among other things, the temperature preference for various surgeons. When the scheduling system communicates with the building management system to designate a room as “in use” a set point for the ambient temperature could also be provided from based on the scheduled surgeon's preference.
  • the operating conditions may also be varied based on the type of procedure scheduled. For example, some procedures may have a lower risk of secondary infection than other, more invasive procedures. In such cases, the number or air changes, temperature, humidity and/or other conditions may be set at level consistent with the procedure scheduled.
  • the patient room HVAC settings can be adjusted based upon whether or not a patient is checked into a hospital, as such information is contained within a clinical system, such as the patient registration system.
  • a clinical system such as the patient registration system.
  • the same concept can apply to scheduled appointments for procedures such as radiology, endoscopy, colonoscopy, chemotherapy, dialysis, etc.
  • the invention relates to the integration of context providing system (i.e. a healthcare clinical system) and a facility management system (i.e. a building control system that is used to control resource allocation and/or disseminate information about the facility).
  • context providing system i.e. a healthcare clinical system
  • a facility management system i.e. a building control system that is used to control resource allocation and/or disseminate information about the facility.
  • the context providing system is the “master” and the facilities management system is “slaved” to it.
  • the context providing system provides a parameter (i.e. “room in use,” “type of procedure scheduled,” etc.) to the facilities management system.
  • the facilities management system then regulates climate control through a building management system, lighting, or other systems based on the parameter provided.
  • a facilities management system may include, as subsystems, lighting control systems, and building management systems (or building automation systems) configured to control environmental conditions.
  • the building management system may give feedback to the context providing system, or a third system (such as a reporting module), regarding the status of the system being controlled. This allows for an efficient allocation of resources throughout the facility at the times those resources are needed. Cost savings can then be realized in reduced staffing needs for facility personnel, or lower energy costs.
  • the building management system or another system may be provided with a reporting module.
  • the reporting module may be used to maintain a record of the conditions in the area being regulated.
  • the data may include airflows, temperatures, relative humidity, or any other relevant parameter to be controlled.
  • the record may be used retrospectively to evaluate the performance of the building management and HVAC systems, or it may be used to immediately determine if a measured parameter is outside of defined acceptable limits. For example, a notification may be provided immediately to the clinical and/or building staff should the airflow fall below a threshold level. This would allow for the immediate reaction by the staff to resolve the issue, or move the patient to an area that is in compliance with the set environmental conditions.
  • a surgical scheduling system with a building management system can be used to reduce HVAC system loadings and thereby reduce energy costs.
  • the systems described herein can be used to potentially improve patient outcomes, and provide detailed records of system performance. Such records may be cross-referenced with patient data in a clinical system to determine the environmental conditions under which a particular procedure was performed.
  • a surgical scheduling system may be in communication with a building management system to control an HVAC system as described herein.
  • the set points for various parameters such as temperature, air flow, and/or humidity, may be determined by a clinician preference that is stored in the surgical scheduling system based on which clinician will be working in the area. Additionally or alternatively, a set point may be determined based on the type of procedure scheduled to take place in the area. For example, a lower air flow or different temperature may be set for less invasive procedures.
  • the system may be configured for continuous commissioning.
  • the building management system may be provided with environmental set points from the clinical system. The building management system will then provide continuous monitoring of those conditions, regulate the HVAC system to reach and/or maintain them, and notify facility and/or clinical staff in the event that one or more of the conditions is out of compliance based on data from the clinical system.
  • a surgical scheduling system may be in communication with a building management system to control an HVAC system.
  • Automatic reports may be periodically generated to record the temperature, air flow, humidity, particulate count, filter pressure drop, motor current draw, or other environmental factors that may be of clinical or facility interest.
  • the data may be archived in a searchable database so that it may be referenced at a later time. Also, the data may be continuously compared to set points and tolerance ranges such that error reports may be automatically generated and shared with the appropriate building and/or clinical staff to indicate that a parameter is out of compliance based on data from the clinical system.
  • the system may also provide the facility and/or clinical staff with notifications and request feed back from the staff documenting when and how the issue was resolved.
  • a patient information or registration system may be in communication with a building management system to control and HVAC system related to a zone of control.
  • the zone may be an inpatient room which the patient information system will indicate as being occupied or vacant.
  • the system may then provide set points for the HVAC system based on the occupancy status of the room.
  • an occupied room may be associated with one or more set points (such as temperature) that are based on the patient's preference determined at the point of registration.
  • a clinical system may be in communication with a building management system to control an HVAC system associated with a zone.
  • the system may extract a set point for a parameter, such as temperature, associated with some time in the future, such as the scheduled start of a surgical procedure.
  • the system determines when to cycle on the HVAC system to reach the set point at the appropriate time.
  • the system may be provided with the ability to calculate if the controlled parameter will be in compliance by the scheduled time. If that is not the case, the system may inform the facility and/or clinical staff prior to the scheduled time so that the procedure may be rescheduled or moved to another room.
  • the system may be configured to extract data about a patient in the patient information system for use in controlling the HVAC system.
  • the patient registration system may include a data field to indicate if the patient has a latex allergy.
  • the system could automatically set the HVAC system to reach the set point for air changes an hour earlier to reduce the presence of latex in the air.
  • the building management system may vary HVAC operation based on the isolation status of a patient. For example, if a patient is to be isolated, the system may automatically be operated at full ventilation of a period before and after the isolated patient is to be in the zone (such as a surgical suite, inpatient room, radiology suite, or other testing area).
  • the zone such as a surgical suite, inpatient room, radiology suite, or other testing area.
  • the context providing system may be any clinical system (surgical or other clinical scheduler, patient information system, patient registration system, etc.) that includes patient data relevant to the way in which the building management system may most efficiently and safely operate.
  • the context may include indications that a room is to be occupied or vacant, whether the patient has an allergy such as a latex allergy, whether the patient should be isolated, a preferred set point for an environmental condition either by a patient or clinician, a preferred set point for an environmental condition based on the type of procedure scheduled for the HVAC zone controlled by the building management system, or any other information relevant to efficient and safe building control.
  • first and second are used herein to describe various features, elements, regions, layers and/or sections, these features, elements, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one feature, element, region, layer or section from another feature, element, region, layer or section. Thus, a first feature, element, region, layer or section discussed below could be termed a second feature, element, region, layer or section, and similarly, a second without departing from the teachings of the present invention.

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US12/941,197 2009-11-09 2010-11-08 Method and system for integration of clinical and facilities management systems Abandoned US20110112854A1 (en)

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Application Number Priority Date Filing Date Title
US12/941,197 US20110112854A1 (en) 2009-11-09 2010-11-08 Method and system for integration of clinical and facilities management systems
US14/742,353 US10325334B2 (en) 2009-11-09 2015-06-17 Method and system for integration of clinical and facilities management systems
US16/422,358 US10726512B2 (en) 2009-11-09 2019-05-24 Method and system for integration of clinical and facilities management systems
US16/913,453 US11341432B2 (en) 2009-11-09 2020-06-26 Method and system for integration of clinical and facilities management systems

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US12/941,197 US20110112854A1 (en) 2009-11-09 2010-11-08 Method and system for integration of clinical and facilities management systems

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US16/422,358 Active US10726512B2 (en) 2009-11-09 2019-05-24 Method and system for integration of clinical and facilities management systems
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US16/913,453 Active 2031-06-13 US11341432B2 (en) 2009-11-09 2020-06-26 Method and system for integration of clinical and facilities management systems

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US20190279324A1 (en) 2019-09-12
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US20200327630A1 (en) 2020-10-15
CN102696053A (zh) 2012-09-26
EP2499611A2 (fr) 2012-09-19
US10726512B2 (en) 2020-07-28
US20170365024A1 (en) 2017-12-21
US10325334B2 (en) 2019-06-18
WO2011057173A2 (fr) 2011-05-12
EP2499611A4 (fr) 2014-11-19
CA2780170A1 (fr) 2011-05-12

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