JP5419292B2 - User interface program, system and method for displaying time series data - Google Patents

Description

  The present invention relates to a technique of a user interface screen that displays time-series data. For example, the present invention is applied to a screen that displays electronic medical chart information viewed by medical personnel.

  Conventionally, there is a “user interface application” that displays time series data for project management from various viewpoints so that the user can easily understand. In particular, regarding medical electronic medical record information, it is desirable that medical personnel can quickly browse past treatment actions along the time axis in order to examine the next treatment plan for each patient. As such a user interface application, for example, there is a technique called “clinical path” that allows a user to view a medical practice using a schedule table.

  As a user interface for displaying electronic medical chart information, the horizontal axis displays a multi-stage time axis, such as yearly, monthly, or daily, and the vertical axis represents medical practice (disease name, medication, diagnosis, examination, etc.) There is a technique for displaying (see, for example, Patent Documents 1 to 3). According to this technique, a medical practice actually performed is displayed as a mark along the time axis. The viewer can change the time scale of the time axis (time scale) to an arbitrary stage, and can give an overview of the history of past medical practice. The high level of bird's-eye view of this information supports the medical worker's thinking so as to facilitate the estimation of the causal relationship between action items.

Japanese Patent Laid-Open No. 2008-192002 JP 2009-134713 A JP 2009-282557 A

  However, the larger the time scale of the time axis to be displayed (the longer the time width to display), the more events are displayed on one screen, and more memory is required for the display processing of those events. . For the viewer, the larger the number of events, the more the overall appearance can be. On the other hand, for a terminal that displays such information, a smaller terminal with less computational resources (memory amount or processor processing speed) is more burdensome on display processing, and the user responsiveness that is important for the user interface becomes dull.

  In addition, according to the techniques described in Patent Documents 1 to 3 described above, the electronic medical record information is simply text input of an event along the time axis. It is not a visual overview of changes in numerical values.

  Therefore, the present invention provides a user interface program and system that allow a visual overview of changes in time width and numerical values for action items, and enables display processing with a small amount of information even on terminals with low computational resources. And to provide a method.

According to the present invention, a user interface program for causing a computer mounted on a terminal to function in order to display time-series data on a display,
Event storage means for storing an event in which an action item, a time width of a start time and an end time related to the action item, and a numerical value related to the action item are associated with each other;
Block object storage means for storing a plurality of block objects having different shapes according to changes in numerical values;
A display control means for defining a time axis for an action item and displaying an event as a block object in a corresponding time width on the time axis;
Object memory means for storing block objects displayed by the display control means;
Scale changing means that can arbitrarily change the time scale of the time axis according to user operations,
Distance determining means for determining whether the distance between at least two adjacent block objects is equal to or less than a predetermined threshold according to the time scale of the time axis;
When the distance determination unit determines that the block object is true, the computer functions as a block object search unit that searches the block object storage unit for another block object based on a change in numerical value when the block objects are integrated, and display control is performed. The means controls the block object searched by the block object searching means to be displayed in a corresponding time width on the time axis.

According to another embodiment of the user interface program of the present invention,
The display control means displays the time axis of different time scales by a plurality of lines,
The scale changing means preferably causes the computer to function so as to select any one of the plurality of lines by a user operation.

  According to another embodiment of the user interface program of the present invention, the distance determination means calculates the difference between the end time of the first event and the start time of the second event adjacent to the first event on the time scale of the time axis ( It is also preferable to make the computer function so as to determine whether the value divided by (length / time) is equal to or less than a predetermined threshold value.

  According to another embodiment of the user interface program of the present invention, the predetermined threshold value is variably set based on the difference between the time width of the first event and the time width of the second event adjacent thereto. It is also preferable to make the computer function.

According to another embodiment of the user interface program of the present invention,
The event block storage means
A primary object consisting of rectangles with different heights based on the size of the number;
A secondary object consisting of a monotonically increasing and monotonically decreasing quadrangle based on multiple numerical changes;
It is also preferable to cause the computer to function as a tertiary object composed of a polygon having a shape based on a plurality of numerical values.

According to another embodiment of the user interface program of the present invention,
The display control means
It has an action item axis listing a plurality of action items in a direction perpendicular to the time axis,
The scale changing means can arbitrarily change the scale of the action item axis according to the user operation,
When the scale of the action item axis is expanded, the secondary object or the tertiary object is searched from the primary object, and when the scale of the action item axis is reduced, the primary object or 2 from the tertiary object is retrieved. It is also preferred to have the computer function so that the next object is retrieved.

  According to another embodiment of the user interface program of the present invention, when the block object is represented as an integrated mode, the display control means causes the computer to function to display the number of events on the block object. It is also preferable.

  According to another embodiment of the user interface program of the present invention, when the block object is represented as an integrated aspect, the display control means displays a partition line of the time width for each event on the block object in the time axis direction. It is also preferable to make the computer function so as to pull it.

According to another embodiment of the user interface program of the present invention,
The user interface program displays electronic medical chart information viewed by medical personnel,
The action item means medical practice,
The event also preferably represents a time width and a numerical value of the medical practice.

According to the present invention, in a time series data management system in which a terminal having a display and a management server storing time series data are connected via a network,
The management server
Event storage means for storing an event in which an action item, a time width of a start time and an end time related to the action item, and a numerical value related to the action item are associated with each other;
Block object storage means for storing a plurality of block objects having different shapes according to changes in numerical values;
A time scale receiving means for receiving a time scale of a time axis according to a user operation from the terminal;
Distance determining means for determining whether the distance between at least two adjacent block objects is equal to or less than a predetermined threshold according to the time scale of the time axis;
When it is determined to be true by the distance determination means, the block object search means for searching the block object storage means for other block objects based on the change in numerical values when these block objects are integrated, and the searched block object, Block object transmitting means for transmitting to the terminal,
The terminal
A display control means for defining a time axis for the action item and displaying a block object received from the management server in a corresponding time width on the time axis;
And object memory means for storing block objects displayed by the display control means.

According to the present invention, there is provided a user interface display method for displaying time-series data on a terminal display,
An event storage unit that stores an event that associates an action item, a time width of a start time and an end time related to the action item, and a numerical value related to the action item;
A block object storage unit that stores a plurality of block objects of different shapes according to changes in numerical values;
In the user interface screen, the time axis is defined for the action items.
A first step of storing a block object to be displayed in a memory and displaying it in a corresponding time width on a time axis;
A second step of arbitrarily changing the time scale of the time axis according to a user operation;
A third step of determining whether a distance between at least two adjacent block objects is equal to or less than a predetermined threshold according to a time scale of the time axis;
A fourth step of retrieving from the block object storage means another block object based on a change in numerical values when these block objects are integrated when determined to be true by the third step;
And a fifth step of displaying the block object searched in the fourth step in a corresponding time width on the time axis.

  According to the user interface program, system, and method of the present invention, it is possible to visually overlook changes in time width and numerical values for action items, and to perform display processing with a small amount of information even on a terminal with low computational resources. Make it possible.

It is a user interface screen in the present invention. It is a functional block diagram of the user interface program for time series data which makes the computer mounted in the terminal in this invention function. It is a code that represents an event information unit. It is explanatory drawing showing the secondary object selected from two primary objects. It is explanatory drawing showing the tertiary object selected from two secondary objects. It is a user interface screen with a changed time scale. It is the user interface screen which changed the time scale in the direction of the action item. It is a user interface screen displayed by a plurality of block objects. It is a user interface screen showing the other display form in a block object. It is a system configuration diagram in the present invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a user interface screen according to the present invention.

On the user interface screen of FIG. 1, electronic medical chart information browsed by medical personnel is displayed. According to FIG. 1, a plurality of action items (medical actions) are displayed on the vertical axis, and a time axis is displayed on the horizontal axis. A plurality of “lines” having multi-stage time scales (time scales) are displayed at the top of the time axis. For example, the following three lines are displayed.
-Yearly line (large time scale)
・ Monthly line ・ Dayly line (time scale is small)
The medical staff selects one of the multi-stage time scale lines based on the patient's past medical history. According to the selected line, the past medical history is displayed from a desired time (for example, the current date and time).

  According to FIG. 1, for each action item, an event indicating that the action has been executed is displayed at a corresponding position on the time axis. The event may be displayed as a simple rectangular mark, but according to the present invention, it is displayed as a simple block object of various shapes. A block object having a shape corresponding to a change in the numerical value of the event is selected from a plurality of shapes.

  FIG. 2 is a functional configuration diagram of a user interface program for time-series data that causes a computer mounted on a terminal according to the present invention to function.

  According to FIG. 2, the terminal 1 includes a display 101 that allows a user to browse and an input interface 102 that receives a user operation. The input interface 102 receives a time scale change operation from the user. For example, a touch panel display equipped with these two functions may be used.

  According to FIG. 2, the computer installed in the terminal 1 includes an event storage unit 111, a block object storage unit 112, a scale change unit 113, a distance determination unit 114, a block object search unit 115, and a display control unit. 116 and function as the object memory unit 117.

[Event storage unit 111]
The event storage unit 111 stores an event that is an information unit based on the action. The event is an association of “action item”, “time width” of the start time and end time related to the action item, and “numerical value” related to the action item.

  FIG. 3 is a code representing an event information unit. According to FIG. 3, the time width (start time and end time) is represented by <timeRange>, and the numerical value is represented by <values>.

  The “action item” related to the electronic medical record information is, for example, “prescription medication”, “examination”, “injection”, and the like. The “time width” is, for example, a dose period. The “numerical value” is, for example, a dosed amount.

  The event in the electronic medical record information may be stored by associating the time (time width) and the numerical value (quantity) of the other action item with one action item. For example, after the action item “injection” action, a relationship with another action item “inspection” may be associated after a predetermined time has elapsed.

[Block object storage unit 112]
The block object storage unit 112 stores a plurality of block objects having different shapes according to changes in numerical values. The block object storage unit 112 preferably stores, for example, the following three objects.
(Primary object) Rectangle (secondary object) whose height is different based on the size of the numerical value (secondary object) A quadrangle (tertiary object) that approximates monotonic increase and decrease based on the change of multiple numerical values. Approximate polygon based on

FIG. 4 is an explanatory diagram showing a secondary object selected from two primary objects.
FIG. 5 is an explanatory diagram showing a tertiary object selected from two secondary objects.

  For example, the primary object is represented by a rectangle having three levels of height according to the size of the numerical value. In this case, the variance is calculated for the numerical value of the event, and when the variance is equal to or less than a certain value, the moving average is smoothed, and a rectangle having a height corresponding to the average value is selected (see FIG. 4A). .

  The secondary object is represented by, for example, a quadrangle that approximates monotonic increase and monotonic decrease based on a change in numerical values of a plurality of events. In this case, the variance is calculated for the numerical value of the event, and when the variance is equal to or larger than a certain value and the numerical value is monotonously increasing or monotonically decreasing, a linear approximation is selected and a quadrangle similar to the shape is selected (FIG. 4). (See (b)).

  As the tertiary object, for example, an approximate polygon is selected based on a change in numerical values of a plurality of events. This is a normal approximation when the mean and variance are calculated for the event values and the variance is greater than or equal to a certain value and the difference between the first event value and the last event value is less than or equal to a certain value. A polygon similar to the shape is selected (see FIG. 5). For example, there are polygons such as a mountain shape, a valley shape, and a step shape.

[Scale changing unit 113]
The scale changing unit 113 can arbitrarily change the time scale of the time axis according to a user operation. For example, the time scale can be changed by selecting any one of multi-stage time scale lines displayed on the user interface screen according to the user operation.

  FIG. 6 shows a user interface screen with a changed time scale.

  On the user interface screen, a plurality of block objects are displayed on the time axis. The distance between these block objects changes according to the time scale in the selected line. That is, the larger the time scale, the shorter the distance between the block objects, and the smaller the time scale, the longer the distance.

  For example, if the time difference between two adjacent block objects is only one day, the difference between the two block objects is clearly recognized by the viewer on the daily line, but on the yearly line, The difference between them is almost unrecognizable.

  According to FIG. 6 (a), a yearly line is selected. According to FIG. 6B, the monthly line is selected. According to FIG. 6C, the daily line is selected. For example, if the reference date is “September 27, 2010”, past history from the reference date is relatively displayed. The medical staff can give an overview of past medical practices for the patient on a yearly, monthly, and daily basis.

[Distance determination unit 114]
The distance determination unit 114 determines whether or not the distance between at least two adjacent events (two block objects when already integrated) is equal to or less than a predetermined threshold according to the time scale of the time axis. The predetermined threshold value may be variably set based on the difference between the time width of the first event and the time width of the second event adjacent thereto.

For example, it is determined whether or not a value obtained by dividing the difference between the end time of the first event and the start time of the second event adjacent thereto by the time scale of the time axis at that time is equal to or less than a predetermined threshold value.
(Second event start time-first event end time) / current time scale
<Predetermined threshold value predetermined threshold value = (time width of first event−time width of second event) · α + c
α: coefficient c: coefficient for each type of object block

  Further, the distance determination unit 114 integrates a plurality of events into a block object based on, for example, the following rule base. For example, adjacent block objects are integrated until a certain time gap (difference between events) appears. However, the number of events included in the integrated block object is divided so as to be equal to or less than a predetermined threshold value N. A plurality of events to be integrated are output to the block object search unit 115.

  As another rule base, when the difference between the average time gap t between events in the first block object and the time gap between the second block object is equal to or greater than a predetermined threshold, the block objects are not integrated. It is also preferable to make it. In addition, it is possible to set a rule base that is not integrated with two block objects but is integrated when there are three or more block objects.

[Block Object Search Unit 115]
When the distance determination unit 114 determines that the block object search unit 115 is true, the block object search unit 115 searches the block object storage unit 112 for another block object based on a change in the numerical value of these block objects.

  The block object search unit 115 integrates a plurality of block objects based on the distance between adjacent block objects when the time scale of the time axis is expanded. On the contrary, when the time scale of the time axis is reduced, the block is decomposed into a plurality of block objects based on the distance between events based on the integrated block objects.

  Further, the block object search unit 115 integrates the primary object into the secondary object or the tertiary object when the scale of the action item axis is expanded. Conversely, when the scale of the action item axis is reduced, the action object axis is decomposed into a primary object or a secondary object. Note that the scale of the action item axis may vary depending on the number of action items. If the number of action items is small, it is preferable to display a tertiary object as much as possible.

[Display control unit 116]
The display control unit 116 defines a time axis for the action item, and displays an event (a block object searched by the block object search unit 115) as a block object at a position on the time axis.

[Object memory unit 117]
The object memory unit 117 stores a block object displayed by the display control unit 116. According to the present invention, even when the time scale of the time axis to be displayed is large (the time width to be displayed is long), the number of block objects displayed on one screen to be stored in the memory can be kept small. it can.

  FIG. 7 is a user interface screen in which the time scale is changed in the direction of the action item.

  When the scale of the action item axis in FIG. 7A is expanded, it becomes as shown in FIG. 7B. According to FIG.7 (b), the width | variety of a height direction can be widened about the block object of each event with respect to an action item. In this case, block objects having different heights can be displayed according to the numerical value of the event. According to FIG. 7B, each event of FIG. 7A is represented by a primary object.

  Even in FIG. 7A, according to the present invention, it is also preferable to display one primary block object by expanding it in accordance with its time width. According to Fig.7 (a), it is also preferable to expand and display one primary object from the 18th to the 27th.

  FIG. 8 shows a user interface screen displayed by a plurality of block objects.

  According to FIG. 8A, the secondary object is shown in FIG. 7B. Further, according to FIG. 8B, it is further represented by a tertiary object with respect to FIG. 8A. By representing the block object in this way, it is possible to look down on the numerical value with respect to the time axis rather than representing the numerical value for each event.

  Thus, when there are a large number of action items, it is preferable to represent the entire action items as much as possible rather than expressing the numerical value of the event as a height. In this case, it is not necessary to express the numerical value of the event as a height from the beginning. On the other hand, when the number of action items is small, it is preferable to express the numerical value of the event as a height from the beginning in order to express the difference in the numerical value.

  Note that it is also preferable that the m states of the number of action items in the vertical direction and the n states of the time scale in the horizontal direction are represented by a matrix by a user operation. For example, m × n types of states are held, and block objects are preferably stored in advance for each of m × n types.

  FIG. 9 is a user interface screen showing another display form in the block object.

  According to FIG. 9A, when a block object is represented as an integrated form, the number of events is displayed on the block object. This is effective for an action item having no time width. For example, in the case of a medical practice “injection”, a viewer can easily recognize a certain time width by representing the number of times.

  According to FIG. 9B, when a block object is represented as an integrated form, the block object is represented such that a division line of a time width for each event is drawn in the time axis direction. When events having different time widths are integrated, the viewer can recognize the approximate time width by the dividing line drawn in the block object. When events (block objects) having substantially the same time width are integrated, the dividing line can be further recognized by the viewer by expressing it with a striped block object.

  FIG. 10 is a system configuration diagram according to the present invention.

  According to the system of FIG. 10, it has the terminal 1 which a medical worker browses, and the electronic medical record management server 2 connected to the terminal via the network. The terminal 1 transmits information on the time scale selected by the user operation to the electronic medical record management server 2. In response to this, the electronic medical record server 2 returns information on the block object to be displayed to the terminal 1. The terminal 1 displays the block object received from the electronic medical record management server 2 on the display along the time axis.

  According to FIG. 10, the terminal 1 has only the display control unit 116 and the object memory unit 117 described above. On the other hand, the management server 2 includes only an event storage unit 111, a block object storage unit 112, a scale change unit 113, a distance determination unit 114, and a block object search unit 115.

  In this way, the management server 2 is responsible for block object search processing, whereby the processing load on the terminal 1 can be further reduced. In addition, since the data communicated between the networks is not the information of many events but only the code of the block object integrated for display, the load on the network can be reduced and a system with good user responsiveness can be achieved. Can be provided.

  In addition, it is also preferable that the terminal 1 of FIG. 10 is provided with the function structure similar to FIG. When the terminal 1 changes the scale, it searches for and displays the optimum block object for the event (block object) that has already been received from the management server 2 and displays only the event (block object) that has not yet been received. Received from the management server 2. For example, it is possible to provide a system with higher user responsiveness by receiving other events (block objects) from the management server 2 in the background during the process of displaying the block objects searched by the terminal 1 itself. it can.

  As described above in detail, according to the user interface program, system, and method of the present invention, it is a terminal that can visually overlook changes in time width and numerical values for action items and has low computing resources. Display processing with a small amount of information.

  In particular, according to the present invention, even if the time scale of the time axis to be displayed is large (the time width to be displayed is long), the number of objects displayed on one screen does not increase, and the display processing of these objects is large. Does not require any memory. For the viewer, the event according to the time scale can be viewed from the whole. On the other hand, for a terminal that displays such information, even a small terminal with a small computational resource (memory amount or processor processing speed) has a small display processing load and does not slow down the user responsiveness important for the user interface. .

  Various changes, modifications, and omissions of the above-described various embodiments of the present invention can be easily made by those skilled in the art. The above description is merely an example, and is not intended to be restrictive. The invention is limited only as defined in the following claims and the equivalents thereto.

DESCRIPTION OF SYMBOLS 1 Terminal 101 Display 102 Input interface 103 Communication interface 111 Event memory | storage part 112 Block object memory | storage part 113 Scale change part 114 Distance determination part 115 Block object search part 116 Display control part 117 Object memory part 2 Time series data management server

Claims (11)

A user interface program that allows a computer mounted on a terminal to function in order to display time-series data on a display,
Event storage means for storing an event in which an action item, a time width of a start time and an end time related to the action item, and a numerical value related to the action item are associated with each other;
Block object storage means for storing a plurality of block objects having different shapes according to changes in numerical values;
A display control means for defining a time axis for the action item, and displaying the event as the block object in a corresponding time width on the time axis;
Object memory means for storing a block object displayed by the display control means;
Scale changing means capable of arbitrarily changing the time scale of the time axis according to a user operation;
Distance determining means for determining whether a distance between at least two adjacent block objects is equal to or less than a predetermined threshold according to a time scale of the time axis;
When it is determined to be true by the distance determination unit, the computer is caused to function as a block object search unit that searches the block object storage unit for another block object based on the change in the numerical value when the block objects are integrated. The user interface program controls the display control means to display the block object searched by the block object searching means in a corresponding time width on the time axis. The display control means displays a time axis of a different time scale by a plurality of lines,
The user interface program according to claim 1, wherein the scale changing unit causes the computer to function so that any one of the plurality of lines is selected by a user operation.   The distance determination means has a value obtained by dividing the difference between the end time of the first event and the start time of the second event adjacent thereto by the time scale (length / time) of the time axis. The user interface program according to claim 1 or 2, wherein the computer is caused to function so as to determine whether or not the value is equal to or less than a threshold value.   4. The computer according to claim 1, wherein the computer functions so that the predetermined threshold is variably set based on a difference between a time width of a first event and a time width of a second event adjacent thereto. The user interface program according to any one of the above. The event block storage means includes:
A primary object consisting of rectangles with different heights based on the size of the number;
A secondary object consisting of a monotonically increasing and monotonically decreasing quadrangle based on multiple numerical changes;
5. The user interface program according to claim 1, wherein the computer functions as a tertiary object formed of a polygon having a shape based on a plurality of numerical values. The display control means includes
It has an action item axis listing a plurality of action items in a direction perpendicular to the time axis,
The scale changing means can arbitrarily change the scale of the action item axis according to a user operation,
When the scale of the action item axis is expanded, a secondary object or a tertiary object is searched from the primary object, and when the scale of the action item axis is reduced, the primary object is converted from the tertiary object. The user interface program according to claim 5 or 6, wherein the computer functions so that a secondary object is searched.   The display control means causes the computer to function to display the number of events on the block object when the block object is represented as an integrated mode. The user interface program according to item 1.   The display control means, when the block object is expressed as an integrated mode, causes the block object to function as a computer so as to draw a division line of a time width for each event in the time axis direction. The user interface program according to any one of claims 1 to 7. The user interface program is for displaying electronic medical chart information viewed by medical personnel,
The action item means a medical action,
The user interface program according to claim 1, wherein the event represents a time width and a numerical value of medical practice. In a time series data management system in which a terminal having a display and a management server storing time series data are connected via a network,
The management server
Event storage means for storing an event in which an action item, a time width of a start time and an end time related to the action item, and a numerical value related to the action item are associated with each other;
Block object storage means for storing a plurality of block objects having different shapes according to changes in numerical values;
Time scale receiving means for receiving the time scale of the time axis according to user operation from the terminal;
Distance determining means for determining whether a distance between at least two adjacent block objects is equal to or less than a predetermined threshold according to a time scale of the time axis;
The block object search means for searching the block object storage means for another block object based on the change in the numerical value when the block objects are integrated when determined to be true by the distance determination means. Block object transmitting means for transmitting a block object to the terminal;
The terminal
Display control means for defining a time axis for the action item and displaying the block object received from the management server in a corresponding time width on the time axis;
And a time-series data management system comprising object memory means for storing block objects displayed by the display control means. A user interface display method for displaying time-series data on a terminal display,
An event storage unit that stores an event that associates an action item, a time width of a start time and an end time related to the action item, and a numerical value related to the action item;
A block object storage unit that stores a plurality of block objects of different shapes according to changes in numerical values;
On the screen of the user interface, a time axis is defined for the action item,
Storing the block object to be displayed in a memory and displaying the block object in a corresponding time width on the time axis; and
A second step of arbitrarily changing a time scale of the time axis according to a user operation;
A third step of determining whether a distance between at least two adjacent block objects is equal to or less than a predetermined threshold according to the time scale of the time axis;
A fourth step of searching the block object storage means for another block object based on the change in the numerical value when these block objects are integrated when determined to be true by the third step;
A user interface display method comprising: a fifth step of displaying the block object searched in the fourth step in a corresponding time width on the time axis.

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