CN1497488A - Method and system for generating anonymous in collecting patient data - Google Patents
Method and system for generating anonymous in collecting patient data Download PDFInfo
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- CN1497488A CN1497488A CNA2003101024787A CN200310102478A CN1497488A CN 1497488 A CN1497488 A CN 1497488A CN A2003101024787 A CNA2003101024787 A CN A2003101024787A CN 200310102478 A CN200310102478 A CN 200310102478A CN 1497488 A CN1497488 A CN 1497488A
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Abstract
A method for creating anonymity in collecting patient data. The method comprises receiving a medical report for a patient including patient identification data. A patient record is searched for an anonymous patient identifier (APID) corresponding to the patient. The search returns the APID in response to locating it and returns a null value in response to not locating an APID. If the search returns a null value, an APID corresponding to the patient is created. The APID is added to the medical report and the patient identification data is removed from the medical report. The medical report is transmitted to a data repository in response to removing the patient identification data.
Description
Invention field
Present invention relates in general to be used for producing anonymous method, particularly in the patient medical data acquisition, produce anonymity, be used for the method that common data refines patient data collection.
Background technology
Typically, hospital utilizes each department in the computer system management hospital, and by a plurality of computer system collections about each patient's data.For example, patient may be allowed to into a tame hospital and do thorax echo (TTE).Can obtain by this hospital information system (HIS) about this patient's information (as, demographic and insurance), and be stored on patient's record.This information can be delivered to system of division of cardiology (be commonly referred to cardiac information system, or CVIS) then.Typically, CVIS is the product of a company, and HIS is the product of another company.As a result, database can be different between the two.In addition, they can obtain/keep and send the granularity of different brackets in data.In case patient's information is received by CVIS, then this patient can be arranged the time and be TTE in the echo laboratory.Then, carry out TTE, obtain image and measurement result and they are delivered to the CVIS server by the sonograph instrument.Read sheet doctor (as, ultrasound wave cardiography person) and be sitting in the TTE result that this patient is taken out in the inspection post.This ultrasound wave cardiography person begins check image and measurement result then, and produces a medical report completely according to this result.After this ultrasound wave cardiography person finished this medical report, this report was sent to the CVIS server.This report is stored in this server, and connects by patient's recognition data and this patient.This medical report of finishing is exactly a sort of example delivering to the report of the database that is used for the common data refinement.
Today, medical equipment manufacturers and pharmaceuticals are faced with growing challenge when gathering the clinical data that uses about their reality of product.The computerize because the patient medical report all becomes obtains reality and uses data to become easier.In addition, these data be easier to combination and analyze (as, refine), obtain more Useful Informations.All medical reports of relevant certain particular patient can be analyzed, the effect of a certain particular medication will be helped accurately to obtain or in patient's result of treatment on one's body., as long as patient's name and medical report link together, federal law just protects the patient medical report not accessed.Therefore, the data that are included in the public database must be able to not show that those medical informations are included in the personal identification of the patient in the database.Because these need, before this report was added the database that is used for the common data refinement, any data that can help to review certain unique individual by this report in medical report or the record that are included in must be removed from this report.To can be used to review certain unique individual's data removal, make combination become possibility with all medical reports of analyzing relevant a certain unique individual.
Summary of the invention
One aspect of the present invention is to be used for producing anonymous method patient data collection.This method comprises the patient medical report that reception comprises patient's recognition data.Retrieval patient record is to obtain anonymous patient's identifier (APID) that should the patient.As when retrieving APID, just return APID, as not searching, just return null value.Return null value as search, just generate one APID that should the patient.This APID is added medical report, and patient's recognition data is removed from this medical report.After having removed patient's recognition data, medical report is delivered to database.
Another aspect of the present invention is to be used for producing anonymous method patient data collection.This method comprises the patient medical report that reception comprises patient's recognition data.Retrieval patient record is to obtain APID that should the patient.As when retrieving APID, just return APID, as not searching, just return null value.Return null value as search, just generate one APID that should the patient.This generative process comprises receiving media access control (MAC) address, and MAC Address is used first matrix of a linear transformation, obtains the MAC Address of a conversion.This generative process also comprises date received/time, and date is used second matrix of a linear transformation, obtains the date of conversion.In addition, this generative process comprises anonymous extra-code of reception, and this extra-code is used the trilinear transformation matrix, obtains the anonymous extra-code of a conversion.The MAC Address of this conversion, the date of conversion, the anonymous extra-code of conversion link up to APID.At last, generative process comprises encrypts this APID, and the APID that will encrypt is stored in this patient's record.This is used for producing anonymous method in the patient data collection and also comprises this APID is added to this medical report, and this patient's recognition data is removed from this medical report.After having removed patient's recognition data, medical report is delivered to database.
Another aspect of the present invention is in order to produce anonymous system in patient data is gathered.This system comprise a network and with the host computer system of this network communication.This host computer system comprises that execution comprises the software that receives the patient medical method of reporting that comprises patient's recognition data.Retrieval patient record is to obtain APID that should the patient.As when retrieving APID, just return APID, as not searching, just return null value.Return null value as search, just generate one APID that should the patient.This APID is added medical report, and patient's recognition data is removed from this medical report.After having removed patient's recognition data, medical report is delivered to database.
Another aspect of the present invention is in order to produce anonymous computer program in patient data is gathered.This computer program comprises medium that can be read by treatment circuit and the storage instruction of being carried out by this treatment circuit, comprises the patient medical report of patient's recognition data in order to reception.Retrieval patient record is to obtain APID that should the patient.As when retrieving APID, just return APID, as not searching, just return null value.Return null value as search, just generate the APID that a phase should the patient.This APID is added medical report, and patient's recognition data is removed from this medical report.After having removed patient's recognition data, medical report is delivered to database.
Another aspect of the present invention is to be used for producing anonymous coded format patient data collection.This form comprises unique system identifier and patient's identifier, comprising date part and an extention, to guarantee the uniqueness in system.This APID is stored on patient's record with the form of encrypting, and is stored on the medical report with the unencrypted form.
Others of the present invention are here also disclosed.From following the detailed description and the accompanying drawings, those those skilled in the art will be familiar with and understand the present invention discussed above and its its feature and advantage.
The accompanying drawing summary
With reference to illustration, wherein in several figure similar unit with similar numeral number:
Fig. 1 is a process flow diagram that is used for producing patient data collection anonymous canonical process;
Fig. 2 is a process flow diagram that is used to produce the canonical process of anonymous patient's identifier; With
Fig. 3 has described the process that data stream transforms to typical coding anonymous patient's identifier.
Detailed Description Of The Invention
One embodiment of the present of invention provide a kind of anonymous methods of gathering patient medical record, and this case history produces by medical treatment is on-the-spot, as hospital, are used for common data and refine.One embodiment of the present of invention can help utilizing medical achievement and diagnosis and strengthen the patient and look after.The collection of this information comprises by the generation of anonymous patient's identifier (APID) and uses patient's archives are divided into groups.For example, if John Doe has ten parts of archives when once and repeatedly seeing a doctor, the archives of all John Doe will be grouped under the APID so.This APID structure is designed to avoid and uses other APID of same program generation to repeat in same or other place.This is by producing unique identifier that substitutes of distributing to each patient, APID, realization.When producing a patient (manually or from another system receiving) in the system in department, just produce unique APID of this patient.This APID automatically encrypt and and patient data be stored in patient's recording section of database together.Each when duplicating a patient's archives for image data, remove this patient the identification project (as, patient's name and patient ID), and replace with APID.
Fig. 1 is one and is used for producing anonymous canonical process patient data collection.In step 102, select to deliver to the report of the database that is used for the common data refinement.When report is finished, can trigger report and select, perhaps alternatively, search report database regularly, and select to be used for the wide area information server report according to the preliminary election search criteria.Search criteria can comprise, have not before delivered to the report of database as selecting all that, or only select with the specific medical problem or treat relevant report.In step 104, check with patient's record relevant in the decision report whether comprised the encryption APID that can link with selected report with this given patient.Comprise encryption APID as patient's record, program continues step 112.Encrypt APID with the patient in the correspondence report otherwise must produce.In step 106, for this patient generates an APID.Fig. 2 discussed below has described a kind of example embodiment that is used to produce the program of APID.In step 108, use any encryption software well known in the art (as, the PGP of PGP company and the BSAFE of RSA) encrypt this APID.In step 110, will encrypt APID and be stored on patient's record.
Next,, use the corresponding decryption software of encryption software that uses in those and the step 108, the encryption APID relevant with the patient in the report that is selected for the database collection is decrypted in step 112.In an example embodiment, if not comprising, patient's record do not encrypt APID, can use the unencrypted APID that produces in the step 106, step 112 can be skipped.In step 114, from this report, remove patient's recognition data.Patient's recognition data comprises any information and the information combination that can be used for discerning a unique individual, can comprise the name social security number, social security number or taxid and address.In step 116, unencryption APID is added report, and in step 118, this report is sent to and is used for the database that common data refines.
Fig. 2 is the process flow diagram that produces the example embodiment of the APID218 that is used for the embodiment of the invention.In all hospitals and data source of database, produce a unique APID218 for each patient, this point is very important.In example embodiment of the present invention, APID comprises three ingredients: media interviews control (MAC) address; Date and anonymous extra-code.As described in Figure 2, MAC Address 202 is transfused to first matrix of a linear transformation 204.MAC Address 202 is the one numbers that burn into Ethernet or Token Ring adapter, and this number can distinguish it with all other network interface cards.The use of MAC Address 202 can guarantee that it is being used for the mutual exclusion system of image data database data or the uniqueness in the hospital.The matrix of a linear transformation can be any nonsingular linear matrix.In an example embodiment, nonsingular linear matrix is one 3 * 3 matrix, and in another example embodiment, it is one 1 * 3 matrix.Use one 3 * 3 matrix as an example, the linear transformation of this definition is:
L：R
3-＞R
3×L(X)＝AX
The output of this matrix of a linear transformation is applied to MAC Address 202, and the MAC Address of this conversion is represented as M ' in Fig. 2.
The second portion of APID 218 is a date 206, and it represents that the patient is recorded in the time that produces in the system.In an example embodiment, date 206 parts comprise three subdivisions: with the date of " mmddyy " form, with time and constant of " hhmmss " form.Using date 206 parts is in order to provide uniqueness in the hospital of this patient treatment.Date 206 parts also will be through 208 conversion of second matrix of a linear transformation, all patients to prevent to infer by a given date and time.This second matrix of a linear transformation 208 can be identical or different with first matrix of a linear transformation 204 that is applied to MAC Address 202.In example embodiment, second matrix of a linear transformation 208 can be any non singular linear transformation's matrix, as 3 * 3 matrixes or 4 * 4 matrixes.Use one 3 * 3 matrix as an example, the linear transformation of this definition is:
L：R
3-＞R
3×L(X)＝AX
In Fig. 2, the output of this linear transformation 208, the date of conversion is represented as D '.M ' and D ' are transfused to contiguous function 210, so that both are coupled together, the output that obtains is represented as M ' D '.
The third part of APID 218 is anonymous extra-code 212 parts.These anonymity extra-code 212 parts comprise three subdivisions: the random number between 1 to 1000, the period between 20 to 40 and a constant.When each anonymous extra-code produced, the period subdivision increased by 1, in case just get back to 20 to 40.Using anonymous extra-code 212 parts is to predict for the individual who prevents to be attempted to discern by those individual patient of mentioning in report.This also can be used for distinguishing the situation that two patients are accepted for medical treatment by same hospital simultaneously.These anonymity extra-code 212 parts also will be through 214 conversion of trilinear transformation matrix.This trilinear transformation matrix 214 can be identical or different with the matrix of a linear transformation 204 208 of MAC Address 202 that is applied to APID 218 and date 206 parts.In example embodiment, trilinear transformation matrix 214 can be any non singular linear transformation's matrix, as 3 * 3 matrixes or 4 * 4 matrixes.Use one 3 * 3 matrix as an example, the linear transformation of this definition is:
L：R
3-＞R
3×L(X)＝AX
In Fig. 2, the output of this linear transformation 214, the anonymous extra-code of conversion is represented as S '.M ' D ' and S ' are transfused to contiguous function 216, so that both are coupled together, the output that obtains is represented as M ' D ' S ', Here it is APID 218.
This APID 218 is by warp let-off encipheror 220 then, produces one and encrypts APID 222, and then this encryption APID 222 is stored in the patient and writes down on 224.When requiring to add an APID 218 in report, use will be encrypted APID 222 corresponding to the decrypted program 226 of encipheror 220 and will be transformed into unencryption APID 218.Then this unencryption APID 218 is stored in or is connected to deliver to and be used for the report that database that common data refines goes.The above-mentioned matrix of a linear transformation can be different because of hospital, but generally fix for conversion is convenient.In example embodiment, first matrix of a linear transformation 204 that is used for MAC Address 202 is identical for all application, and other matrix of a linear transformation 208 214 is different because of hospital, changes by product up-gradation.
Fig. 3 has described the process that a data rheology changes typical coding APID 218 into.Data in frame 302 are sample MAC Address 202, sample first matrix of a linear transformation 204, the MAC Address M ' of " LT " and conversion.Comprise a sample date 206 in the frame 304, sample second matrix of a linear transformation 208, the date D ' of " LT " and conversion.Comprise the anonymous extra-code 212 of a sample in the frame 306, sample trilinear transformation matrix 214, the anonymous extra-code S ' of " LT " and conversion.Comprise by with three numerical value: M ' APID 218 that D ' and S ' link together and obtain in the frame 308.Comprise a sample in the frame 310 and encrypt APID 222.Numerical value of describing among Fig. 3 and form can be used as the example explanation and utilize the present invention to produce a kind of method of APID, and every kind of application can comprise the different matrixes of a linear transformation, and may comprise the different data format of date 206 and anonymous extra-code 212.In addition, this MAC Address is used for discerning uniquely a kind of computer system, and any identifier that can a kind of computer system of unique identification can be used for replacing MAC Address.In addition, any encryption software known in the art all can use in an embodiment of the present invention.
Embodiments of the invention allow to produce patient's identifier of a unique anonymity, and this identifier is added on the medical report, and being used for will be about the report grouping of single patient under the prerequisite that does not expose patient's identity.This provide a kind of with anonymous patient medical data gathering together to be used for the security mechanism that common data refines.By comprise MAC Address in APID 218, this address is a digital alphabet numerical value of distributing to unique existence of each system, can use different mutual exclusion systems that anonymous patient medical data are provided, and can not produce the APID 218 of repetition between the system.The use of date 206 and anonymous extra-code can assist in ensuring that APID 218 does not repeat in a system.Can produce unique APID 218, just can provide more significant data mining, assess and analyze because can be used as one group with a relevant report of patient.And prevent that the common data retrieval person from tracing back to individual ability by report is very important for the protection patients ' privacy.Before medical report is delivered to database, by replacing patient datas to handle this medical report, and produce an APID218 that can not trace back to patient individual with an APID 218, so just can accomplish.Common data retrieval visit to the data report that divides into groups according to each patient is provided, can provides better information to use, to improve medical procedure and product for pharmaceuticals and hospital.
As mentioned above, embodiments of the invention can show as the form of the device of computing machine implementation and this process of enforcement.Embodiments of the invention also can show as the form of computer program code, these program codes are included in tangible medium, as floppy disk, CD, instruction in hard disk or any other computer-readable storage medium, wherein, when computer program code was written into and is carried out by computing machine, this computing machine just became the device of implementing this invention.Embodiments of the invention also can show as the form of computer program code, for example, no matter be stored in the medium, be written into and/or carry out by computing machine, still by some transmission medium transmission, as passing through electric wire or cable, pass through optical fiber, or by electromagnetic radiation, wherein when computer code was written into and is carried out by computing machine, this computing machine just became the device of implementing this invention.When carrying out on mini-computer, computer program code segments is set this microcomputer, to generate dedicated logic circuit.
Although set forth the present invention with reference to example embodiment above, those those skilled in the art are to be understood that can be under the condition that does not exceed scope of the present invention, and wherein element is carried out various variations and replaces equivalent.In addition, under the condition that does not exceed its main scope, can much change, so that specific situation and raw material and religious doctrine of the present invention adapt.Therefore, this means to the invention is not restricted to certain embodiments that this embodiment discloses as implementing this invention best pattern of expection, but the present invention includes all embodiment within the scope of the appended claims.And any order or importance are not represented in the use of term the first, the second or the like, and just are used for an element and another are distinguished.
Claims (10)
1. be used for producing anonymous method patient data collection, this method comprises: receive the patient medical report that comprises patient's recognition data; Retrieval patient's record (224), to obtain anonymous patient's identifier (218) corresponding to described patient, wherein ought retrieve described anonymous patient's identifier (218), then described anonymous patient's identifier (218) is returned in retrieval, as anonymous patient's identifier (218) as described in not retrieving, null value is returned in then described retrieval;
If null value is returned in described retrieval, then produce described anonymous patient's identifier (218) corresponding to described patient;
Described anonymous patient's identifier (218) is added described medical report;
Described patient's recognition data is removed from described medical report; With
To be sent to database through the described medical report of described removal.
2. method according to claim 1, wherein said anonymous patient's identifier (218) comprise media access control address (202) part, the linear transformation of date (206) part and anonymous extra-code (212) part.
3. method according to claim 2, wherein said date (206) part comprise the moon, day, year, the time, divide, second, the time that enters for the first time corresponding to described patient.
4. method according to claim 2, wherein said anonymous extra-code (212) part comprise a period, and when producing a new described extra-code (212), this period increases progressively at every turn.
5. method according to claim 2, wherein said linear transformation comprises nonsingular matrix.
6. method according to claim 5, wherein said matrix are a n * n matrixes.
7. method according to claim 1, the anonymous patient's identifier of wherein said generation (218) comprising:
Receiving media accessing to control address (202);
Described media access control address (202) is used first matrix of a linear transformation (204), obtain the media access control address of conversion;
Date received/time (206);
Described date (206) is used second matrix of a linear transformation (208), obtain the date of conversion;
Receive anonymous extra-code (212);
Described anonymous extra-code (212) is used trilinear transformation matrix (214), obtain the anonymous extra-code of conversion;
The media access control address that connects described conversion, the anonymous extra-code of the date of described conversion and described conversion obtains described anonymous patient's identifier (218);
Described anonymous patient's identifier (218) is encrypted the anonymous patient's identifier (222) that obtains encrypting; With
Anonymous patient's identifier (222) of described encryption is stored in described patient's record (224).
8. be used for producing anonymous method patient data collection, this method comprises:
Reception comprises the patient medical report of patient's recognition data;
Retrieval patient's record (224), to obtain anonymous patient's identifier (218) corresponding to described patient, wherein when retrieving described anonymous patient's identifier (218), then described anonymous patient's identifier (218) is returned in retrieval, as anonymous patient's identifier (218) as described in not retrieving, null value is returned in then described retrieval;
If null value is returned in described retrieval, then produce described anonymous patient's identifier (218) corresponding to described patient, wherein said generation comprises:
Receiving media accessing to control address (202);
Described media access control address (202) is used first matrix of a linear transformation (204), obtain the media access control address of conversion;
Date received/time (206);
Described date (206) is used second matrix of a linear transformation (208), obtain the date of conversion;
Receive anonymous extra-code (212);
Described anonymous extra-code (212) is used trilinear transformation matrix (214), obtain the anonymous extra-code of conversion;
The media access control address that connects described conversion, the anonymous extra-code of the date of described conversion and described conversion obtains described anonymous patient's identifier (218);
Described anonymous patient's identifier (218) is encrypted the anonymous patient's identifier (222) that obtains encrypting; With
Anonymous patient's identifier (222) of described encryption is stored in described patient's record (224);
Described anonymous patient's identifier (218) is added described medical report; Described patient's recognition data is removed from described medical report; With
To be sent to database through the described medical report of described removal.
9. be used for producing anonymous system patient data collection, this system comprises:
Network; With
With the host computer system of described network communication, described host computer system comprises the software of carrying out following method, and described method comprises:
By described network, receive the patient medical report that comprises patient's recognition data;
Retrieval patient's record (224), to obtain anonymous patient's identifier (218) corresponding to described patient, wherein when retrieving described anonymous patient's identifier (218), then described anonymous patient's identifier (218) is returned in retrieval, as anonymous patient's identifier (218) as described in not retrieving, null value is returned in then described retrieval;
If null value is returned in described retrieval, then produce described anonymous patient's identifier (218) corresponding to described patient;
Described anonymous patient's identifier (218) is added described medical report;
Described patient's recognition data is removed from described medical report; With
By described network, will be sent to database through the described medical report of described removal.
10. system according to claim 9, wherein said network is the Internet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101024787A CN1497488A (en) | 2002-10-22 | 2003-10-22 | Method and system for generating anonymous in collecting patient data |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/065466 | 2002-10-22 | ||
| CNA2003101024787A CN1497488A (en) | 2002-10-22 | 2003-10-22 | Method and system for generating anonymous in collecting patient data |
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| CN1497488A true CN1497488A (en) | 2004-05-19 |
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| CNA2003101024787A Pending CN1497488A (en) | 2002-10-22 | 2003-10-22 | Method and system for generating anonymous in collecting patient data |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955901A (en) * | 2011-08-18 | 2013-03-06 | 通用电气公司 | Medical presentation creator |
| CN105074705A (en) * | 2013-02-08 | 2015-11-18 | 百特恩格伍德公司 | Code for patient care device configuration |
| CN105122252A (en) * | 2013-03-29 | 2015-12-02 | 皇家飞利浦有限公司 | Generating and/or employing finding unique identifiers |
-
2003
- 2003-10-22 CN CNA2003101024787A patent/CN1497488A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955901A (en) * | 2011-08-18 | 2013-03-06 | 通用电气公司 | Medical presentation creator |
| CN105074705A (en) * | 2013-02-08 | 2015-11-18 | 百特恩格伍德公司 | Code for patient care device configuration |
| US11075012B2 (en) | 2013-02-08 | 2021-07-27 | Baxter Corporation Englewood | Code for patient care device configuration |
| US11894149B2 (en) | 2013-02-08 | 2024-02-06 | Baxter Corporation Englewood | Code for patient care device configuration |
| CN105122252A (en) * | 2013-03-29 | 2015-12-02 | 皇家飞利浦有限公司 | Generating and/or employing finding unique identifiers |
| CN105122252B (en) * | 2013-03-29 | 2018-10-19 | 皇家飞利浦有限公司 | Generate and/or use finding unique identifier |
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