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53 results about "Non clinical" patented technology

Non-Clinical means: activities supporting a clinical trial or a Regulatory Submission, including, but not limited to, animal safety and efficacy studies, animal studies supporting an IND or IMPD, human disease tissue sample studies supporting an IND or IMPD, toxicology, pharmacokinetic and pharmacodynamic studies.

Non-intervention monitoring and evaluating method for hypertension under non-clinical environment

The invention provides a non-intervention monitoring and evaluating method for hypertension under a non-clinical environment. The method comprises steps of segmenting acquired electrocardiogram data to obtain an electrocardiosignal sequence taking a time window of 5 minutes as a unit, positioning the time of each heartbeat by using an overlapping sliding window algorithm, and calculating a primaryheartbeat interval sequence; correcting the acquired primary heartbeat interval sequence by adopting a threshold method; extracting linear domain, non-linear domain and waveform distribution morphological features from the heartbeat interval sequence of each time window, quantitatively calculating correlation between the heart rate variability linear domain and the non-linear domain features through a Pearson correlation analysis method, performing feature aggregation based on the correlation strength between the features, and selecting features through information gain to form feature subsets; and fusing the feature subset features, and constructing a hypertension evaluation model by using a random forest method. According to the method, finer granularity analysis is carried out, and evaluation accuracy rate of hypertension patients can reach 97.1%.
Owner:深圳安视睿信息技术股份有限公司 +1

Composite disease clinical path construction method and system based on transfer learning

The invention relates to a composite disease clinical path construction method and system based on transfer learning. The method comprises the following steps: acquiring multi-source heterogeneous medical data of a composite disease generated by a non-clinical path; structuring the data according to ICD classification to form a first data set; performing feature extraction and clustering on the first data set according to the sign information, the medical staging, the diagnosis information and the treatment evaluation to form a second data set; randomly extracting data sets of two disease types from the second data set, training a time domain convolutional neural network to learn one disease type data set, and adjusting the time domain convolutional neural network through MMD to be used for transfer learning of the other disease type data set; and finally, fusing according to an output result to obtain a composite disease clinical path. By simplifying the data set and integrating the data set with the time domain convolutional neural network and the generative adversarial neural network, the performance and interpretability of a composite disease clinical path structure are improved, and gradient explosion is avoided.
Owner:THE SECOND AFFILIATED HOSPITAL TO NANCHANG UNIV

Structure, preparation and application of novel polyhedral multi-channel high-throughput chromatographic device

The invention discloses a novel polyhedral multi-channel high-throughput chromatographic device and application thereof. The device is of a polyhedral structure; the main part of the device is a shell; the device may further have a top cover and a pedestal; and the shell is filled with a drying agent, and the bottom and the top of the device are connected with stepping equipment. The device can realize multi-channel vertical ascending or descending chromatography and perform high-throughput parallel detection and analysis of a plurality of marker molecules on one or more clinical or non-clinical samples at the same time; the device can realize automatic or semi-automatic, qualitative and quantitative analysis with the naked eye in the aid of automatic sample loading, spectroscopic or electromagnetic wave spectrometers and analytical assemblies; target objects to be detected may be biomacromolecules and small-molecular compounds like proteins, nucleic acids and sugars and may be cellular and subcellular components and the like; so the device is applicable to fields like clinical diagnosis, inspection and quarantine, food safety testing, judicial expertise and drug detection. The device is simple to operate, convenient to carry and capable of significantly improving detection efficiency and reducing sample amount.
Owner:INST OF RADIATION MEDICINE ACAD OF MILITARY MEDICAL SCI OF THE PLA +1
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