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486results about "Patient healthcare" patented technology

Medical data platform based on block chain technology

The invention discloses a medical data platform based on the block chain technology. The medical data platform comprises a terminal, a server module, a data storage module and a block chain network. The terminal exchanges data with the data storage module and the block chain network through the server module. The server module comprises a communication server, an intermediate certificate server and a root certificate server and is used for processing data interaction between the modules and allocating certificates to the block chain network nodes. The data storage module comprises a medical information system and a distributed image database and is used for data storage. The block chain network comprises multiple institutional accounting nodes and multiple consensus nodes. The accounting nodes perform mutual data synchronization. The medical data platform based on the block chain technology has the advantages that the existing medical information is stored in the block chain shared account book so that all the medical institutions can share the medical information related to the patients, and the privacy protection function of the medical data can be realized by using the encryption algorithm and thus sharing of the medical data can be facilitated and the security of the sensitive information can also be protected.
Owner:GUANGDONG UNIV OF TECH

Medical text relation extraction method based on pre-training model and fine tuning technology

The invention relates to a medical text relation extraction method based on a pre-training model and a fine tuning technology. The method comprises the steps of preprocessing of medical relation extraction corpora, model pre-training and fine tuning. According to the method, the pre-training model is used as the input of the one-dimensional convolutional neural network model, but the word embedding is used as the input of the one-dimensional convolutional neural network model in the prior art, and the pre-training model is more favorable for improving the extraction performance of the medicaltext relationship compared with the word embedding; according to the method, the one-dimensional convolutional neural network model and the pre-training model are combined for use, and the one-dimensional convolutional neural network is used for finely adjusting the pre-training model, so that the performance of the model is improved; the training error of the one-dimensional convolutional neuralnetwork is propagated back to a pre-training model to realize a model fine tuning process which is a dynamic model training process; in a traditional method, word embedding is combined with input of different layers, a main task model is still trained from the beginning, pre-trained embedding is regarded as a fixed parameter, and the usability of the method is limited.
Owner:WUYI UNIV

Clinical data standardization system and standardized data acquisition method

The invention discloses a clinical data standardization system and a standardized data acquisition method. The system comprises a standardized data acquisition platform, a data inspection platform anda business system; the standardized data acquisition platform comprises an in-row standard configuration module, a follow-up visit plan configuration module, a scientific research metadata managementmodule, a scientific research case management module, a standardized maintenance module, an acquisition module, a service interface module and an eCRF management module. The data acquisition method comprises the following steps: enabling a doctor workstation to generate a service application form and service system data based on the content to be followed by a patient, performing data cleaning and conversion through a standardization pool, and automatically filling a disease library of the eCRF management module after standardization processing. Under the condition of fully fusing standard codes and service interfaces in the biomedical field at home and abroad, the background annotation is carried out on differentiated standards, the differentiated standards are integrated into a dictionary, different standard backgrounds are compiled, and then correction is carried out through an algorithm, so that errors are reduced, and the bias rate is reduced.
Owner:SHANGHAI MENTAL HEALTH CENT (SHANGHAI PSYCHOLOGICAL COUNSELLING TRAINING CENT)

Medical text named entity identification method based on pre-training model and fine tuning technology

The invention provides a medical text named entity recognition method based on a pre-training model and fine tuning technology, and the method comprises the steps: firstly carrying out the pre-training of a BERT pre-training model through a large-scale unstructured electronic medical record and other medical texts, so as to train a pre-training model containing semantic representation informationin a text; and carrying out fine tuning on the generated pre-trained model by utilizing the stacked extended convolutional neural network so as to obtain a deep neural network model capable of carrying out automatic identification on the named entities in the medical field. According to the pre-training model provided by the invention, semantic information in the text can be captured more accurately, the semantic information can be migrated to a specific task more effectively, and the named entity recognition accuracy of the model is improved. The stacking expansion convolutional neural network and the pre-training model are combined to finely adjust the model, and finally, the named entities of the medical text are identified, so that semantic information in the text can be well captured,and parallel computing can be performed to improve the model training speed.
Owner:WUYI UNIV
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