Background technology
DICOM (Digital Imaging and Communications in Medicine, digital imaging and communications in medicine, ISO 12052:2006), be the standard of an exchange and managed care image data and other relevant data, can be used for carrying out between the medical information system or between medical information system and the medical equipment communication.Comprise groundwork list management service class (BasicWorklist Management Service Class) in the standard, be used for the management of workflow.The equipment Work List service object who comprises in the groundwork list management is used for carrying out between medical information system and the medical equipment communication to class (Modality Worklist SOP Class, full name Modality Worklist Service Object Pair Class).
On the medical network of medical equipment and medical information system composition, under the situation of image documentation equipment and the service of information system support equipment Work List network, medical equipment can directly pass through the DICOM agreement from medical information system, retrieval and transfer check application project are checked and to be checked in the application project that application information and patient population are learned information, comprised clinical application section office, clinical application doctor, apply for checkout facility type etc.; Patient population is learned information, comprises name, birthday, sex etc.
Medical equipment utilizes equipment Work List service object class to inquire about and obtain the data of patient and prescription to the medical information system request, the medical equipment operator can use patient's data of obtaining to carry out patient's identification, makes correct patient and correct nursing (as audit program, check result etc.) coupling.Patient's recognition result correctness becomes the key factor in the medical procedure, in whole medical industry, owing to fail correctly to discern that the patient causes medication errors, transfusion is wrong, check is wrong, operate on out wrong people, embraces wrong continuing such as wrong baby when leaving hospital and takes place.Therefore implementing living things feature recognition becomes one of effective means, because biological characteristic recognition information possesses " unique not replacing " property, so can reduce potential identification error.Prior biological feature identification technology comprises DNA, iris, fingerprint, face's portrait, vocal print etc.But in the definition of the equipment Work List service object class of dicom standard, do not comprise the definition of above-mentioned any biological characteristic recognition information service object class, therefore can't utilize the system or equipment that meets dicom standard to carry out the transmission of biological characteristic recognition information in actual applications.
The utility model content
The technical problems to be solved in the utility model provides a kind of transmitting device of biological characteristic recognition information, overcome the prior art dicom standard and biological characteristic recognition information is not included in the description of its service object's class, therefore can't utilize the system or equipment that meets dicom standard to carry out the defective of biological characteristic recognition information transmission.
This utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be:
A kind of transmitting device of biological characteristic recognition information, comprise medical equipment, medical information system and biological characteristic recognition information acquisition system, described medical equipment, described medical information system and described biological characteristic recognition information acquisition system are by the Internet or local area network interconnection.
The transmitting device of described biological characteristic recognition information, wherein said biological characteristic recognition information acquisition system is gathered biological characteristic recognition information and is sent to described medical information system, described medical information system is stored described biological characteristic recognition information and according to the query requests of described medical equipment described biological characteristic recognition information is sent to described medical equipment, described medical equipment is compared patient's biological characteristic and described biological characteristic recognition information and the patient is carried out identity validation, and described biological characteristic recognition information acquisition system is made as DV, image reading apparatus or fingerprint card reader.
The transmitting device of described biological characteristic recognition information, wherein said medical equipment comprises network communication module, decoding and decompression module and memory module, described network communication module and described medical information system carry out communication and receive described biological characteristic recognition information, described decoding and decompression module are decoded and are decompressed described biological characteristic recognition information, and described memory module is stored described biological characteristic recognition information.
The transmitting device of described biological characteristic recognition information wherein is provided with the biological characteristic recognition information module in the working line list item of digital imaging and communications in medicine DICOM.
The transmitting device of described biological characteristic recognition information, wherein when described biological characteristic recognition information is transmitted, by the inquiry of medical equipment to the described working line list item of medical information system request, described medical information system will comprise that the field information of all working list items of described biological characteristic recognition information module is sent to described medical equipment.
The transmitting device of described biological characteristic recognition information, wherein said biological characteristic recognition information module comprise image pixel matrix field Pixel Data.
The transmitting device of described biological characteristic recognition information, wherein said biological characteristic recognition information module comprise picturedeep field Rows and picturewide field Columns.
The transmitting device of described biological characteristic recognition information, wherein said biological characteristic recognition information module comprise that image pixel memory allocated figure place field Bits Allocated, image pixel use storage bit number field Bits Stored and the maximum figure place field High Bit that uses of image pixel.
The transmitting device of described biological characteristic recognition information, wherein said biological characteristic recognition information module comprise optical information description field Photometric Interpretation and image pixel sampling description field Samples per Pixel.
The transmitting device of described biological characteristic recognition information, JPEG or JPEG 2000 compressed formats are adopted in the transmission of wherein said biological characteristic recognition information module.
The beneficial effects of the utility model are: this utility model can successfully biological characteristic recognition informations such as patient's fingerprint, patient's face image be transferred in the medical equipment and and on-the-spot patient's biological characteristic compare, improved the accuracy rate of patient's recognition result.
The specific embodiment
With embodiment this utility model is described in further detail with reference to the accompanying drawings below:
As shown in Figure 1, the transmitting device of this utility model biological characteristic recognition information transmitting device biological characteristic recognition information, comprise medical equipment 100, medical information system 200 and biological characteristic recognition information acquisition system 400, medical equipment 100, medical information system 200 and biological characteristic recognition information acquisition system 400 are by the Internet or LAN 300 interconnection, biological characteristic recognition information acquisition system 400 is gathered biological characteristic recognition information and is sent to medical information system 200, medical information system 200 storage biological characteristic recognition informations also are sent to medical equipment 100 according to the query requests of medical equipment 100 with biological characteristic recognition information, and medical equipment 100 is used for the comparison of patient's biological characteristic and biological characteristic recognition information and the patient is carried out identity validation.Biological characteristic recognition information acquisition system 400 can be DV, image reading apparatus or fingerprint card reader.
As shown in Figure 3, medical equipment 100 comprises network communication module 103, decoding and decompression module 102 and memory module 101, network communication module 103 is carried out communication and is received biological characteristic recognition information with medical information system 200, decoding is decoded and is decompressed with 102 pairs of biological characteristic recognition informations of decompression module, the described biological characteristic recognition information of memory module 101 storages.
This utility model comprises step when biological characteristic recognition information is transmitted:
A1, in the working line list item of digital imaging and communications in medicine DICOM, the biological characteristic recognition information module is set;
A2, carrying out biological characteristic recognition information when transmitting, by the inquiry of medical equipment to the described working line list item of medical information system request;
A3, described medical information system will comprise that the field information of all working list items of described biological characteristic recognition information module is sent to described medical equipment.
As shown in Figure 2 medical equipment 100 with the communication process between the medical information system 200 in, the content of transmission over networks is the binary stream of serializing, encodes at the transmitting terminal of communication, decodes at the receiving terminal of communication.Concrete coded format is in request associating (Associate) and accept agreement in the associating (Associate), can adopt unprocessed form or compressed format, and concrete compressed format can JPEG or JPEG 2000.Working line list item inquiry response (1) amounts to the n item to working line list item inquiry response (n), and the value scope of n is the integer more than or equal to zero.In the dicom standard, the content that comprises in known every working line list item inquiry response is:
◆ patient's relationship module Patient Relationship Module
◆ patient's identification module Patient Identification Module
◆ patient population is learned information module Patient Demographic Module
◆ patient's medical history module Patient Medical Module
◆ prescription on individual diagnosis relationship module Visit Relationship Module
◆ prescription on individual diagnosis identification module Visit Identification Module
◆ prescription on individual diagnosis block of state Visit Status Module
◆ the module Visit Admission Module that is admitted to hospital goes to a doctor
◆ reservation checking process module Scheduled Procedure Step Module
◆ application process module Requested Procedure Module
◆ image service request module I maging Service Request Module
The coded format of above-mentioned working line list item field can be referring to the dicom standard file.In all modules (Module), there is not to be used for the module of biological characteristic recognition information coding, this utility model is expanded transformation to dicom standard, increase biological characteristic recognition information module (Patient Biometrics Module), the coded format of the field of biological characteristic recognition information module is as shown in table 1:
Table 1
Samples per Pixel |
Image pixel sampling explanation.Value be 1 o'clock be gray level image, value is 3 coloured images of forming for RGB three vectors, value is 4 to be the coloured image that 4 vectors are formed |
Photometric Interpretation |
Optical information explanation, be worth for RGB be coloured image, value for MONOCHROMEl is the white background gray level image, be worth for MONOCHROME2 be the black matrix gray level image |
Rows |
Picturedeep |
Columns |
Picturewide |
Bits Allocated |
Image pixel memory allocated figure place |
Bits Stored |
Image pixel uses storage bit number |
High Bit |
The maximum figure place of using of image pixel |
Pixel Representation |
Whether image pixel tape symbol |
Pixel Data |
Image pixel matrix |
After having increased the biological characteristic recognition information module, by working line list item inquiry response, biological characteristic recognition information is encoded to binary stream, transfers to medical equipment 100 by medical information system 200.When biological characteristic recognition information was fingerprint, face portrait, its form of expression was a two dimensional image.
1, the collection of biological characteristic recognition information acquisition system 400 collection biological characteristic recognition information biological characteristic recognition informations has following several mode:
When the patient registers or when registering, adopts professional collecting device to carry out the biological characteristic recognition information collection, and biological characteristic recognition information numberization mode is stored being admitted to hospital to handle, form the biological characteristic recognition information bitstream in hospital.The image numberization equipment that face's portrait can adopt is DV both, also can be image reading apparatus; Finger print information can be gathered by the fingerprint card reader;
2, biological characteristic recognition information acquisition system 400 stores the biological characteristic recognition information acquisition system into medical information system 200
Biological characteristic recognition information acquisition system 400 stores biological characteristic recognition information into medical information system 200, and following several mode can be arranged:
Biological characteristic recognition information acquisition system 400 initiatively stores the biological characteristic recognition information that collects in the medical information system 200 into;
Medical information system 200 is initiatively inquired about to biological characteristic recognition information acquisition system 400, and obtains biological characteristic recognition information.
3, medical equipment 100 sends the request of inquiring about biological characteristic recognition information by the Internet or LAN 300 to medical information system 200, and medical information system 200 transmits biological characteristic recognition informations by the Internet or LAN 300 to medical equipment 100.
4, medical equipment 100 is stored the biological characteristic recognition information that receives
After the binary stream biological characteristic recognition information that is provided by medical information system 200 that transmits by the Internet or LAN 300 is provided medical equipment 100, with reference to table 1 this binary stream decoding is obtained biological characteristic recognition information, then biological characteristic recognition information is stored in the memory module 101 of medical equipment 100.
5, medical equipment 100 comparison patients' biological characteristic and biological characteristic recognition information
Before using 100 couples of patients of medical equipment to carry out medical inspection or treatment, medical equipment 100 at first will access biological characteristic recognition information from memory module 101, compare with patient's biological characteristic at scene, whether correct with the identity of confirming the patient.
Those skilled in the art do not break away from essence of the present utility model and spirit, can there be the various deformation scheme to realize this utility model, the above only is the preferable feasible embodiment of this utility model, be not so limit to interest field of the present utility model, the equivalent structure that all utilization this utility model description and accompanying drawing content are done changes, and all is contained within the interest field of the present utility model.