CN102768684B - The method and apparatus of the storage of physiological parameter data, reading and management - Google Patents
The method and apparatus of the storage of physiological parameter data, reading and management Download PDFInfo
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Abstract
Provide the method and apparatus of a kind of storage of physiological parameter data, reading and management.Described method comprises, operation below predetermined time interval performs: the physiological parameter data of collection is stored as individual data file, wherein, described data file has the file header of the initial time of the physiological parameter data comprised in described data file and the filename of end time and described data file.Described method can a large amount of physiological parameter data of real-time storage be convenient to user and search physiological parameter data.
Description
Technical field
The present invention relates to the method and apparatus that a kind of data store, read and manage, specifically, relate to a kind of method and apparatus physiological parameter data being stored by usage data file management chained list, read and manages.
Background technology
Multi-parameter monitor can provide important patient information for medical clinic applications, can electrocardiosignal, heart rate, blood oxygen saturation, blood pressure, the important physiological parameter such as respiratory rate and body temperature of human body in real time, realizing reporting to the police to the supervision of each physiological parameter, is a kind of visual plant of monitor patients.
But at present, the support of multi-parameter monitor to physiological parameter review function is limited.
Such as, multi-parameter monitor mainly contains two kinds of methods for Electrocardiographic review.The first, by freezing the electrocardiographic wave then looking back patient's nearest a few minutes.The benefit of this method is that can contrast other parameters checks patient condition together, can make a definite diagnosis the state of an illness more accurately.But because look-back time is limited, important electrocardiogram (ECG) data may be caused to lose, be very disadvantageous for this paroxysmal disease of heart disease, nor the easy-to-look-up cardiogram position that exception occurs.The second, if patient's cardiogram occurs that extremely, produce and report to the police, many multi-parameter monitors can be looked back by event, check and a bit of cardiogram in front and back of reporting to the police occurs.The benefit of this method is to check cardiogram according to warning, more conveniently can search problematic electrocardiogram (ECG) data.But this method is unfavorable for following the tracks of ECG Change, also likely can omit important information.
At present, multi-parameter monitor there will be above-mentioned situation equally to other physiological parameter review function.Therefore, also there is following problem to the support of physiological parameter review function in multi-parameter monitor: the replacement problem after searching problem when data loss problem, digital independent that the data discontinuous problem that switching on and shutting down process causes, illegal shutdown (such as, unexpected power down) cause, data are filled with, looks back the too short and problem etc. that quantity of information is limited of electrocardiogram time.
Therefore, need a kind ofly a large amount of physiological parameter data of real-time storage, fast and easy to search the method and apparatus with managing physiologic supplemental characteristic.
Summary of the invention
An aspect of of the present present invention is to provide the method and apparatus of a kind of storage of physiological parameter data, reading and management, described method and apparatus can a large amount of physiological parameter data of real-time storage, and physiological parameter data can not be lost when illegal shutdown (such as, unexpected power down).
Another aspect of the present invention is to provide the method and apparatus of a kind of storage of physiological parameter data, reading and management, and described method and apparatus can search the physiological parameter data that user wishes to check quickly and easily.
Another aspect of the present invention is to provide the method and apparatus of a kind of storage of physiological parameter data, reading and management, and described method and apparatus can be convenient to user management physiological parameter data.
Another aspect of the present invention is to provide the method and apparatus of a kind of storage of physiological parameter data, reading and management, and described method and apparatus when physiological parameter data is filled with, reasonably can upgrade physiological parameter data fast.
According to an aspect of the present invention, provide a kind of storage means of physiological parameter data, described method comprises: every predetermined time interval, the physiological parameter data of collection is stored as individual data file, wherein, described data file has the file header of the initial time of the physiological parameter data comprised in described data file and the filename of end time and described data file.
Described method also can comprise, and performs following steps by described predetermined time interval: the file header based on described data file produces chained list node; By the chained list node data inserting file management chained list produced, wherein, described data file management chained list comprises multiple chained list nodes of link.
Produce the step of chained list node can comprise: be chained list node by the information MAP in the file header of described data file.
The step of the chained list node data inserting file management chained list of generation can be comprised: in chronological order by described chained list node data inserting file management chained list.
Described method also can comprise: store described data file management chained list; Wherein, the physiological parameter data gathered is stored in a first memory, by described data file management storage of linked list in second memory.
First memory can be nonvolatile memory, and second memory can be volatile memory.
Described method also can comprise: after first memory is filled with, and deletes the data file of oldest stored in a first memory every described predetermined time interval based on the file header of each data file in a first memory.
Described method also can comprise: after the data file of deleting oldest stored in a first memory, deletes chained list node corresponding to this data file in second memory.
Described predetermined time interval can be one minute.
According to a further aspect in the invention, provide a kind of read method of physiological parameter data, described method comprises: receive some object time; Search in data file management chained list and put corresponding chained list node to object time, described data file management chained list comprises the multiple chained list nodes linked in chronological order, each chained list node comprises the initial time of the physiological parameter data in the data file corresponding to this chained list node and the filename of end time and the data file corresponding with this chained list node, wherein, the information in each chained list node is also included within the file header of the data file corresponding to this chained list node; Read the physiological parameter data in the data file corresponding to described chained list node.
Search in data file management chained list and can comprise to the step putting corresponding chained list node object time: the time range of initial time to the end time determining to put object time each chained list node whether belonged in described data file management chained list; If object time, point belonged to the time range of initial time to the end time of certain chained list node in described data file management chained list, then determine that this chained list node is corresponding to some object time; If object time, point did not belong to the time range of initial time to the end time of each chained list node in described data file management chained list, then determine the physiological parameter data that there is not some object time.
According to a further aspect in the invention, provide a kind of management method of physiological parameter data, described method comprises: scanning stores multiple data files of physiological parameter data, wherein, described data file has the file header of the initial time of the physiological parameter data comprised in described data file and the filename of end time and described data file; Be chained list node by the information MAP in the file header of described multiple data file; Described chained list node is connected into data file management chained list;
The multiple data files storing physiological parameter data can be stored in a first memory, and described method also can comprise: by described data file management storage of linked list in second memory.
First memory can be nonvolatile memory, and second memory can be volatile memory.
According to a further aspect in the invention, provide a kind of memory device of physiological parameter data, described equipment comprises: first memory, stores the multiple data files comprising physiological parameter data; Physiological parameter data processing unit, physiological parameter data to be stored in first memory every predetermined time interval and to be stored as individual data file, wherein, described data file has the file header of the initial time of the physiological parameter data comprised in described data file and the filename of end time and described data file.
Described equipment also can comprise: chained list node generation unit, every the file header generation chained list node of described predetermined time interval based on described data file; Chained list node plug-in unit, every the chained list node data inserting file management chained list that described predetermined time interval will produce, wherein, described data file management chained list comprises multiple chained list nodes of link.
When chained list node generation unit produces chained list node, can be chained list node by the information MAP in the file header of described data file.
When chained list node plug-in unit is by the chained list node data inserting file management chained list of generation, can in chronological order by described chained list node data inserting file management chained list.
Described equipment also can comprise: second memory, stores described data file management chained list; Wherein, first memory can be nonvolatile memory, and second memory can be volatile memory.
Described equipment also can comprise: physiological parameter data updating block, after first memory is filled with, deletes the data file of oldest stored in a first memory every described predetermined time interval based on the file header of each data file in a first memory.
Described equipment also can comprise: chained list node updating block, after physiological parameter data updating block deletes the data file of oldest stored in a first memory, deletes chained list node corresponding to this data file in second memory.
Described predetermined time interval can be one minute.
According to a further aspect in the invention, provide a kind of fetch equipment of physiological parameter data, described equipment comprises: first memory, stores the multiple data files comprising physiological parameter data; Receiving element, receives some object time; Search unit, search in data file management chained list and put corresponding chained list node to object time, described data file management chained list comprises multiple chained list nodes of link, each chained list node comprises the initial time of the physiological parameter data in the data file corresponding to this chained list node and the filename of end time and the data file corresponding with this chained list node, wherein, the information in each chained list node is also included within the file header of the data file corresponding to this chained list node; Reading unit, reads the physiological parameter data the data file corresponding to described chained list node from first memory.
Described equipment also can comprise: second memory, stores described data file management chained list.
First memory can be nonvolatile memory, and second memory can be volatile memory.
When search unit search put corresponding chained list node to object time in data file management chained list time, search unit and can determine object time, whether point belonged to the time range of initial time to the end time of each chained list node in described data file management chained list; If object time, point belonged to the time range of initial time to the end time of certain chained list node in described data file management chained list, then search unit and can determine that this chained list node is corresponding to some object time; If object time, point did not belong to the time range of initial time to the end time of each chained list node in described data file management chained list, then search the physiological parameter data that unit can determine not exist some object time.
According to a further aspect in the invention, provide a kind of management equipment of physiological parameter data, described equipment comprises: first memory, stores the multiple data files comprising physiological parameter data; Scanning element, multiple data files of the storage physiological parameter data in scanning first memory, wherein, described data file has the file header of the initial time of the physiological parameter data comprised in described data file and the filename of end time and described data file; Information MAP in the file header of described multiple data file is chained list node by map unit; Series unit, is connected into data file management chained list by described chained list node.
Described equipment also can comprise: second memory, stores described data file management chained list; Wherein, series unit can by described data file management storage of linked list in second memory.
First memory can be nonvolatile memory, and second memory can be volatile memory.
According to the method and apparatus of the storage of physiological parameter data of the present invention, reading and management can real-time storage or upgrade a large amount of physiological parameter data, fast and easy searches and managing physiologic supplemental characteristic, efficiently solve the data discontinuous problem that switching on and shutting down process causes, data loss problem, digital independent that illegal shutdown (such as, unexpected power down) is caused time search problem, data be filled with after replacement problem, look back the too short and problem etc. that quantity of information is limited of electrocardiogram time.
Accompanying drawing explanation
In conjunction with the drawings, from the following describes of embodiment, the present invention these and/or other side and advantage will become clear, and are easier to understand, wherein:
Fig. 1 is the block diagram of the memory device of the physiological parameter data illustrated according to exemplary embodiment of the present invention;
Fig. 2 is the block diagram of the fetch equipment of the physiological parameter data illustrated according to exemplary embodiment of the present invention;
Fig. 3 is the block diagram of the management equipment of the physiological parameter data illustrated according to exemplary embodiment of the present invention;
Fig. 4 is the process flow diagram of the storage means of the physiological parameter data illustrated according to exemplary embodiment of the present invention;
Fig. 5 is the process flow diagram of the read method of the physiological parameter data illustrated according to exemplary embodiment of the present invention;
Fig. 6 is the process flow diagram of the management method of the physiological parameter data illustrated according to exemplary embodiment of the present invention;
Fig. 7 is the schematic diagram of the storage organization of the physiological parameter data illustrated according to exemplary embodiment of the present invention.
Embodiment
Below, carry out detailed description exemplary embodiment with reference to accompanying drawing to be easier to understand to make those of ordinary skill in the art.State that in fact the exemplary embodiment in this invention can comprise various forms at present, be not limited to display and example described herein.When comprise known structure and function may make those of ordinary skill in the art to the present invention can not know understand time, in order to clear, can be omitted the description of known 26S Proteasome Structure and Function, and in whole description, identical label represents identical element.
Fig. 1 is the block diagram of the memory device of the physiological parameter data illustrated according to exemplary embodiment of the present invention.
With reference to Fig. 1, comprise first memory 101 and physiological parameter data processing unit 102 according to the memory device 100 of the physiological parameter data of exemplary embodiment of the present invention.
First memory 101 can store the physiological parameter data gathered by multi-parameter monitor (not shown).In the present example embodiment, need physiological parameter data to be temporally stored as multiple data file therefore in interval, first memory 101 can store the multiple data files comprising physiological parameter data.Data volume due to physiological parameter data is comparatively large and need to provide reference to the successive treatment of patient, and therefore, first memory 101 can be the nonvolatile memory allowing to store mass data, such as, and NANDFLASH etc.Physiological parameter data can comprise electrocardiosignal, heart rate, blood oxygen saturation, blood pressure, respiratory rate and body temperature etc.
The physiological parameter data gathered by multi-parameter monitor (not shown) to be stored in first memory 101 every predetermined time interval and to be stored as individual data file by physiological parameter data processing unit 102.Data file can comprise file header and physiological parameter data two parts.The file header of data file can comprise following information: the filename of the initial time of the physiological parameter data in this data file and end time and this data file.Predetermined time interval can be default value, also can be set according to specific needs by user.Should be appreciated that, in actual mechanical process, predetermined time interval also can be replaced by the time interval changed.
Such as, predetermined time interval is one minute, and physiological parameter data to be stored into every one minute in first memory 101 and to be stored as individual data file by physiological parameter data processing unit 102.The physiological parameter data of the 0th to the 1st minute is stored as the first data file, and the file header of the first data file comprises following information: the initial time 0min of physiological parameter data of the 0th to the 1st minute and the filename of end time 1min and the first data file.The filename of the first data file can comprise the name and call number etc. of patient, and such as, andy_1, the filename of the first data file also can comprise the type of physiological parameter data.The physiological parameter data of the 1st to the 2nd minute is stored as the second data file, and the file header of the second data file comprises following information: the initial time 1min of physiological parameter data of the 1st to the 2nd minute and the filename of end time 2min and the second data file.The filename of the second data file can comprise the name and call number etc. of patient, such as, and andy_2.By that analogy.Should be appreciated that, the present invention is not limited thereto.
Memory device 100 according to the physiological parameter data of exemplary embodiment of the present invention also can comprise chained list node generation unit 103 and chained list node plug-in unit 104.
The file header of data file can be sent to chained list node generation unit 103 by physiological parameter data processing unit 102.Chained list node generation unit 103 is every the file header generation chained list node of described predetermined time interval based on described data file.Particularly, the information MAP in the file header of described data file can be chained list node by chained list node generation unit 103.In addition, the chained list node of generation can be sent to chained list node plug-in unit 104 by chained list node generation unit 103.
Such as, predetermined time interval is 1 minute, and the information MAP in the file header of the first data file received from physiological parameter data processing unit 102 can be the first chained list node, that is, (0min, 1min, andy_1) by chained list node generation unit 103.Subsequently, the information MAP in the file header of the second data file received from physiological parameter data processing unit 103 can be the second chained list node, that is, (1min, 2min, andy_2) by chained list node generation unit 103.By that analogy.Should be appreciated that, the present invention is not limited thereto.
The chained list node data inserting file management chained list of generation that chained list node plug-in unit 104 will receive from chained list node generation unit 103 every described predetermined time interval, wherein, described data file management chained list comprises multiple chained list nodes of link.Such as, chained list node plug-in unit 104 can in chronological order by described chained list node data inserting file management chained list.Should be appreciated that, chained list node plug-in unit 104 also can not according to time sequencing by described chained list node data inserting file management chained list.
Such as, predetermined time interval is one minute.Chained list node plug-in unit 104 received the first chained list node (0min at first minute from chain chained list node generation unit 103,1min, andy_1), and by (0min, 1min, andy_1) insert the data file management chained list of such as andy as the first chained list node.Subsequently, chained list node plug-in unit 104 received the second chained list node (1min at second minute from chain chained list node generation unit 103,2min, andy__2), and by (1min, 2min, andy__2) insert such as andy data file management chained list as immediately preceding the second chained list node after the first chained list node.By that analogy.Should be appreciated that, the present invention is not limited thereto.
Memory device 100 according to the physiological parameter data of exemplary embodiment of the present invention also can comprise second memory 105.Second memory 105 can storing data files management chained list.Due to needs real-time storage physiological parameter data and reading physiological parameter data time need fast finding data file management chained list, therefore, second memory 105 can be the fast volatile memory of access rate, such as RAM, ROM, Cache etc.Thus the chained list node of the generation received from chained list node generation unit 103 can be inserted the data file management chained list in second memory 105 by chained list node plug-in unit 104.
In addition, also physiological parameter data updating block 106 can be comprised according to the memory device 100 of the physiological parameter data of exemplary embodiment of the present invention.After first memory 101 is filled with, physiological parameter data updating block 106 can delete the data file of oldest stored in first memory 101 every described predetermined time interval.Specifically, physiological parameter data updating block 106 can search the file header of each data file be stored in first memory 101 every described predetermined time interval, initial time/end time in the file header of more each data file, result based on the comparison deletes the data file of oldest stored in first memory 101.This can realize the effect storing physiological parameter data in first memory 101 to greatest extent.
Such as, predetermined time interval is one minute, stores multiple data file, i.e. data file 1(0min in first memory 101,1min, andy_1), data file 2(1min, 2min, andy_2) ... data file 200(199min, 200min, andy_200), now, first memory 101 is filled with.Physiological parameter data updating block 106 deleted the data file of first minute at the 201st minute, i.e. data file 1(0min, 1min, andy_1), then now first memory 101 stores data file 2(1min, 2min, andy_2), data file 3(2min, 3min, andy_3) ... data file 201(200min, 201min, andy_201), and first memory 101 is still in fill-status.Physiological parameter data updating block 106 deleted the data file of second minute at the 202nd minute, i.e. data file 2(1min, 2min, andy_2), then now first memory 101 stores data file 3 (2min, 3min, andy_3), data file 4(3min, 4min, andy_4) ... data file 202(201min, 202min, andy_202).By that analogy.Should be appreciated that, the present invention is not limited thereto.
In addition, also chained list node updating block 107 can be comprised according to the memory device 100 of the physiological parameter data of exemplary embodiment of the present invention.After physiological parameter data updating block 106 deletes the data file of oldest stored, chained list node updating block 107 can delete chained list node corresponding to this data file in second memory 105.
Such as, predetermined time interval is one minute, stores multiple data file, i.e. data file 1(0min in first memory 101,1min, andy_1), data file 2(1min, 2min, andy_2) ... data file 200(199min, 200min, andy_200).Now, first memory 101 is filled with.When physiological parameter data updating block 106 deleted the data file of first minute at the 201st minute, i.e. data file 1(0min, 1min, andy_1) time, chained list node updating block 107 can delete the chained list node 1(0min corresponding to data file 1,1min, andy_1).When physiological parameter data updating block 106 deleted the data file of second minute at the 202nd minute, i.e. data file 2(1min, 2min, andy_2) time, chained list node updating block 107 can delete the chained list node 2(1min corresponding to data file 2,2min, andy_2).By that analogy.Should be appreciated that, the present invention is not limited thereto.
Fig. 2 is the block diagram of the fetch equipment of the physiological parameter data illustrated according to exemplary embodiment of the present invention.
With reference to Fig. 2, first memory 201, receiving element 202 can be comprised according to the fetch equipment 200 of the physiological parameter data of exemplary embodiment of the present invention, search unit 203, reading unit 204.
First memory 201 can store the multiple data files comprising physiological parameter data, and its function is identical with the function of the first memory 101 of Fig. 1, in the detailed description that this will omit first memory 201.
Receiving element 202 can receive its some object time of physiological parameter data wishing to check from user, and is sent to by this object time of point and searches unit 203.
Search unit 203 and can put corresponding chained list node based on putting search in data file management chained list the object time received from receiving element 202 to object time.
Particularly, the chained list node in data file management chained list is by the information MAP in the file header of corresponding data file.Described information can comprise the initial time of the physiological parameter data in corresponding data file and the filename of end time and corresponding data file.Therefore, the chained list node in data file management chained list can comprise following information: the filename of the initial time of the physiological parameter data in the data file corresponding to this chained list node and end time and the data file corresponding with this chained list node.Search the time range of initial time to the end time that unit 203 can determine to put each chained list node whether belonged in data file management chained list object time.If object time, point belonged to the time range of initial time to the end time of certain chained list node in data file management chained list, then search unit 203 and can determine that this chained list node and object time point is corresponding, simultaneously can by the chained list node determined to reading unit 204.If object time, point did not belong to the time range of initial time to the end time of each chained list node in described data file management chained list, then search the physiological parameter data that unit 203 can determine not exist some object time, the notice of the physiological parameter data that there is not some object time can be sent simultaneously to user.This can realize the effect of accurately searching physiological parameter data according to the needs of user rapidly.
Reading unit 204 can from first memory 201 read with from the physiological parameter data of searching chained list node corresponding data file that unit 203 receives.Described physiological parameter data is shown as cardiogram by multi-parameter monitor (not shown).
Such as, the data file management chained list of andy comprises multiple chained list nodes (0min, 1min, andy_1) (1min, 2min, the andy_2) that link in chronological order ... (29min, 30min, andy_30).When receiving element 202 from user receive put 1.5min object time time, search unit 203 and search chained list node corresponding to 1.5min in data file management chained list.Search unit 203 and can determine that 1.5min belongs to the second chained list node (1min, 2min, andy_2) initial time is to the time range of end time, therefore, search unit 203 and can determine the second chained list node (1min, 2min, andy_2) corresponding to 1.5min, simultaneously can by the second chained list node (1min, 2min, andy_2) to reading unit 204.Reading unit 204 can read and the physiological parameter data in corresponding second data file of the second chained list node (1min, 2min, andy_2) from first memory 201.When receiving element 202 from user receive put 31min object time time, search unit 203 and search chained list node corresponding to 31min in data file management chained list.Search unit 203 and can determine that 31min does not belong to the time range of initial time to the end time of any chained list node, therefore, search the physiological parameter data that unit 203 can determine not exist 31min, the notice of the physiological parameter data that there is not 31min can be sent simultaneously to user.
Described equipment 200 also can comprise second memory 205.Second memory 205 can manage chained list by storing data files, and its function is identical with the function of the second memory 105 of Fig. 1, will omit the detailed description to second memory 205 at this.Thus, search unit 203 and can put corresponding chained list node based on putting in the data file management chained list searched in second memory 205 object time received from receiving element 202 to object time.
Fig. 3 is the block diagram of the management equipment of the physiological parameter data illustrated according to exemplary embodiment of the present invention.
First memory 301, scanning element 302, map unit 303 and series unit 304 can be comprised according to the fetch equipment 300 of the physiological parameter data of exemplary embodiment of the present invention.
First memory 301 can store the multiple data files comprising physiological parameter data, and its function is identical with the function of the first memory 201 of Fig. 2 with the first memory 101 of Fig. 1, in the detailed description that this will omit first memory 201.
Scanning element 302 can scan multiple data files of the storage physiological parameter data in first memory, wherein, described data file comprises file header, and described file header comprises following information: the filename of the initial time of the physiological parameter data in described data file and end time and described data file.
Information MAP in the file header of described multiple data file can be chained list node by map unit 303.
Described chained list node can be connected into data file management chained list by series unit 304.Particularly, described chained list node can be connected into data file management chained list by series unit 304 in chronological order.Should be appreciated that, described chained list node also can be connected into data file management chained list not according to time sequencing by series unit 304.
Exemplarily, when there is not the data file management chained list about the multiple data files in first memory 301, such as, when multi-parameter monitor (not shown) normal boot-strap or when multi-parameter monitor illegally shuts down (such as, unexpected power down) when starting shooting afterwards, scanning element 302 can scan multiple data files (such as, andy_1, andy_2 of the storage physiological parameter data in first memory ... andy_30).Information MAP in the file header of described multiple data file can be chained list node (such as, (0min, 1min, andy_1), (1min, 2min, andy_2) by map unit 303 ... (29min, 30min, andy_30)).Described chained list node can be connected into data file management chained list (such as, the data file management chained list (0min, 1min, andy_1) of andy, (1min, 2min, andy_2) by series unit 304 in chronological order ... (29min, 30min, andy_30)).This can realize the effect of user's fast and easy managing physiologic supplemental characteristic.
Described equipment 300 also can comprise second memory 305.Second memory 305 can manage chained list by storing data files, and its function is identical with the function of the second memory 205 of Fig. 2 with the second memory 105 of Fig. 1, will omit the detailed description to second memory 305 at this.Thus, series unit 304 by described data file management storage of linked list in second memory 305.
When multi-parameter monitor normal boot-strap or when multi-parameter monitor illegally shut down (such as, unexpected power down) start shooting afterwards time, scanning element 206 scans described multiple data file in first memory 201.Information MAP in the file header of described multiple data file can be chained list node by map unit 207.Described chained list node can be connected into data file management chained list by series unit 208 in chronological order, and by described data file management storage of linked list in second memory 202.
Fig. 4 is the process flow diagram of the storage means of the physiological parameter data illustrated according to exemplary embodiment of the present invention.
With reference to Fig. 4, in step 401, the physiological parameter data of collection can be stored as individual data file by physiological parameter data processing unit 102.Wherein, described data file comprises file header, and described file header comprises following information: the filename of the initial time of the physiological parameter data in described data file and end time and described data file.In addition, the data file comprising the physiological parameter data of collection can store in a first memory by physiological parameter data processing unit 102.Data volume due to physiological parameter data is comparatively large and need to provide reference to the successive treatment of patient, and therefore, first memory 101 can be the nonvolatile memory allowing to store mass data, such as, and NANDFLASH etc.Described predetermined time interval can be one minute.
Storage means according to the physiological parameter data of exemplary embodiment of the present invention also can comprise: in step 402, and chained list node generation unit 103 can produce chained list node based on the file header of described data file.Particularly, the information MAP in the file header of described data file can be chained list node by chained list node generation unit 103.In step 403, the chained list node data inserting file management chained list that chained list node plug-in unit 104 can will produce, wherein, described data file management chained list comprises multiple chained list nodes of link.Such as, chained list node plug-in unit 104 can in chronological order by described chained list node data inserting file management chained list.Should be appreciated that, chained list node plug-in unit 104 also can not according to time sequencing by described chained list node data inserting file management chained list.
Storage means according to the physiological parameter data of exemplary embodiment of the present invention also can comprise: after first memory is filled with, in step 404, the file header based on each data file in a first memory deletes the data file of oldest stored in a first memory.After the data file of deleting oldest stored in a first memory, in step 405, delete chained list node corresponding to this data file in second memory.According to the storage means of the physiological parameter data of exemplary embodiment of the present invention can on schedule interval repeat step 401 or step 401 to 403 or step 401 and 404 or step 401 to 405, until no longer produce physiological parameter data.
In addition, every described predetermined time interval or after no longer producing physiological parameter data, described data file management chained list can be stored.Described data file management chained list can be stored in second memory 105.Due to needs real-time storage physiological parameter data and reading physiological parameter data time need fast finding data file management chained list, therefore, second memory 105 can be the fast volatile memory of access rate, such as RAM, ROM, Cache etc.
Fig. 5 is the process flow diagram of the read method of the physiological parameter data illustrated according to exemplary embodiment of the present invention.
With reference to Fig. 5, in step 501, receiving element 202 can receive from user point object time that it wishes the physiological parameter data of checking.
In step 502, search unit 203 and search in data file management chained list and put corresponding chained list node to object time.
Particularly, search unit 203 can search in the data file management chained list be stored in second memory and put corresponding chained list node to object time.Chained list node in data file management chained list is by the information MAP in the file header of corresponding data file.Described information can comprise the initial time of the physiological parameter data in corresponding data file and the filename of end time and corresponding data file.Therefore, the chained list node in data file management chained list can comprise following information: the filename of the initial time of the physiological parameter data in the data file corresponding to this chained list node and end time and the data file corresponding with this chained list node.Search the time range of initial time to the end time that unit 203 can determine to put each chained list node whether belonged in data file management chained list object time.If object time, point belonged to the time range of initial time to the end time of certain chained list node in data file management chained list, then search unit 203 and can determine that this chained list node is corresponding to some object time, the chained list node determined can be sent to reading unit 204 simultaneously.If object time, point did not belong to the time range of initial time to the end time of each chained list node in described data file management chained list, then search the physiological parameter data that unit 203 can determine not exist some object time, the notice of the physiological parameter data that there is not some object time can be sent simultaneously to user.
In step 503, reading unit 204 can from first memory read with from the physiological parameter data of searching chained list node corresponding data file that unit 203 receives.
Fig. 6 is the process flow diagram of the management method of the physiological parameter data illustrated according to exemplary embodiment of the present invention.
With reference to Fig. 6, when there is not the data file management chained list about the multiple data files stored, such as, when multi-parameter monitor normal boot-strap or when multi-parameter monitor illegally shuts down (such as, unexpected power down) when starting shooting afterwards, in step 601, scanning element 302 scans the multiple data files storing physiological parameter data, wherein, described data file comprises file header, and described file header comprises following information: the filename of the initial time of the physiological parameter data in described data file and end time and described data file.The multiple data files storing physiological parameter data can be stored in first memory 301.First memory 301 can be the nonvolatile memory allowing to store mass data, such as, and NANDFLASH etc.
In step 602, the information MAP in the file header of described multiple data file is chained list node by map unit 303.
In step 603, described chained list node is connected into data file management chained list by series unit 304.In addition, series unit 304 by described data file management storage of linked list in second memory 305.Second memory 305 can be the fast volatile memory of access rate, such as RAM, ROM, Cache etc.
Fig. 7 is the schematic diagram of the storage organization of the physiological parameter data illustrated according to exemplary embodiment of the present invention.
With reference to Fig. 7, in first memory 101,201 or 301, store multiple data file, that is, data file 1, data file 2, data file 3 ..., data file N etc.Data file management chained list is stored in second memory 105,205 or 305.Described data file management chained list comprises multiple chained list nodes corresponding to described multiple data file respectively, that is, corresponding to data file 1 chained list node 1, the chained list node 2 corresponding with data file 2, corresponding with data file 3 chained list node 3 ..., corresponding to data file N chained list node N etc.Described multiple chained list node comprises following information: the filename of the initial time of the physiological parameter data in the data file corresponding to chained list node and end time and the data file corresponding with chained list node.As shown in Figure 7, described data file management chained list is doubly linked list.
Although illustrate and describe the present invention with reference to certain exemplary embodiments of the present invention, but it will be apparent to one skilled in the art that the various changes can carrying out in form and details to it when not departing from the spirit and scope of the present invention as claim and equivalent definition thereof.
Claims (8)
1. a management method for physiological parameter data, described method comprises:
Scanning stores multiple data files of physiological parameter data in a first memory, wherein, described data file has the file header of the initial time of the physiological parameter data comprised in described data file and the filename of end time and described data file, wherein, the multiple data files storing physiological parameter data are stored in a first memory;
Be chained list node by the information MAP in the file header of described multiple data file;
Described chained list node is connected into data file management chained list;
By described data file management storage of linked list in second memory,
Wherein, when gathering physiological parameter data, following steps are performed: the physiological parameter data of collection to be stored in first memory and to be stored as single described data file every predetermined time interval, file header based on this data file produces chained list node, and the chained list node of generation is inserted the data file management chained list be stored in second memory
Wherein, when reading physiological parameter data, receive some object time, search in second memory in data file management chained list and put corresponding chained list node to object time, the physiological parameter data in the data file corresponding to described chained list node is read from first memory
Wherein, after first memory is filled with, the data file of oldest stored is in a first memory deleted based on the file header of each data file in a first memory every described predetermined time interval, after the data file of deleting oldest stored in a first memory, delete chained list node corresponding to this data file in second memory
Wherein, first memory is nonvolatile memory, and second memory is volatile memory.
2. the method for claim 1, wherein, the step chained list node of generation being inserted the data file management chained list be stored in second memory comprises: in chronological order described chained list node is inserted the data file management chained list be stored in second memory.
3. the method for claim 1, wherein described predetermined time interval is one minute.
4. the method for claim 1, wherein search in data file management chained list and comprise to the step putting corresponding chained list node object time:
Determine object time, whether point belonged to the time range of initial time to the end time of each chained list node in described data file management chained list;
If object time, point belonged to the time range of initial time to the end time of certain chained list node in described data file management chained list, then determine that this chained list node is corresponding to some object time;
If object time, point did not belong to the time range of initial time to the end time of each chained list node in described data file management chained list, then determine the physiological parameter data that there is not some object time.
5. a management equipment for physiological parameter data, described equipment comprises:
First memory, stores the multiple data files comprising physiological parameter data;
Scanning element, multiple data files of the storage physiological parameter data in scanning first memory, wherein, described data file has the file header of the initial time of the physiological parameter data comprised in described data file and the filename of end time and described data file;
Information MAP in the file header of described multiple data file is chained list node by map unit;
Series unit, is connected into data file management chained list by described chained list node;
Second memory, stores described data file management chained list;
Wherein, series unit by described data file management storage of linked list in second memory,
Wherein, when gathering physiological parameter data, every predetermined time interval, the physiological parameter data gathered to be stored in first memory and to be stored as single described data file, chained list node is produced based on the file header of this data file, and the chained list node produced is inserted into data file management chained list
Wherein, when reading physiological parameter data, object time, point was received, puts corresponding chained list node searched in the data file management chained list in second memory to object time, and the physiological parameter data in the data file corresponding to described chained list node is read from first memory
Wherein, after first memory is filled with, every described predetermined time interval, the data file of oldest stored is deleted based on the file header of each data file in a first memory in a first memory, in a first memory the data file of oldest stored deleted after, chained list node corresponding to this data file in second memory is deleted
Wherein, first memory is nonvolatile memory, and second memory is volatile memory.
6. equipment as claimed in claim 5, wherein, when chained list node plug-in unit is by the chained list node data inserting file management chained list of generation, in chronological order by described chained list node data inserting file management chained list.
7. equipment as claimed in claim 5, wherein, described predetermined time interval is one minute.
8. equipment as claimed in claim 5, wherein, when search put corresponding chained list node to object time in data file management chained list time, determine object time, whether point belonged to the time range of initial time to the end time of each chained list node in described data file management chained list, if object time, point belonged to the time range of initial time to the end time of certain chained list node in described data file management chained list, then search unit and determine that this chained list node is corresponding to some object time, if object time, point did not belong to the time range of initial time to the end time of each chained list node in described data file management chained list, then search the physiological parameter data that unit determines not exist some object time.
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| CN101504621A (en) * | 2009-04-01 | 2009-08-12 | 杭州华三通信技术有限公司 | Distributed system and equipment for preventing global resource out-of-order, and its application method |
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