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1227 results about "Medical testing" patented technology

Portable remote patient telemonitoring system

A system and method for monitoring vital signs and capturing data from a patient remotely using radiotelemetry techniques. The system is characterized by a cordless, disposable sensor band with sensors form measuring full waveform ECG, full waveform respiration, skin temperature, and motion, and transmission circuitry for the detection and transmission of vital signs data of the patient. A small signal transfer unit that can either be worn by the patient, e.g., on his or her belt, or positioned nearby receives data from the sensor band, which it then forwards by e.g., radio transmission to a base station that can be located up to 60 meters away. The base station receives data transmissions from the signal transfer unit and is designed to connect to conventional phone lines for transferring the collected data to a remote monitoring station. The base station may also capture additional clinical data, such as blood pressure data, and to perform data checks. Patient safety is enhanced by the ability of the base station to compare clinical data, e.g., ECG, against given profiles and to mark events when appropriate or when the base station is programmed to do so. Such events are indicated to the physician and could be indicated to the patient by reverse transmission to the signal transfer unit. A remote monitoring station allows the presentation and review of data (including events) forwarded by the sensor band. ECG analysis software and a user-friendly graphical user interface are provided to remotely analyze the transmitted data and to permit system maintenance and upkeep. The system of the invention has useful application to the collection of patient clinical data during drug trials and medical testing for regulatory approvals as well as management of patients with chronic diseases.
Owner:CLEARPATH PARTNERS

Portable remote patient telemonitoring system using a memory card or smart card

A system and method for monitoring health parameters and capturing data from a subject. The system is characterized by a cordless, disposable sensor band with sensors for measuring full waveform ECG, full waveform respiration, skin temperature, and motion, and a connector which accepts a memory card or a smart card for storage of the measured data. After a predetermined period of time, such as when the sensor band is removed, the memory card or smart card is removed and inserted into a monitoring device which reads the stored health parameter data of the subject. The monitoring device includes a base station that includes a memory / smart card reader and is connected to conventional phone lines for transferring the collected data to a remote monitoring station. The base station may also capture additional clinical data, such as blood pressure data, and to perform data checks. Subject safety is enhanced by the ability of the base station to compare clinical data, e.g. ECG, against given profiles and to mark events when appropriate or when the base station is programmed to do so. The remote monitoring station allows the presentation and review of data (including events) forwarded by the sensor band. ECG analysis software and a user-friendly graphical user interface are provided to remotely analyze the transmitted data and to permit system maintenance and upkeep. In alternative embodiments, a smart card includes the sensor band's electronics and / or signal transmission circuitry in conjunction with a portable data logger so that the electronics may be reused from one disposable sensor band to the next without limiting the patient's range of movement. The system of the invention has useful application to the collection of subject clinical data during drug trials and medical testing for regulatory approvals as well as management of subjects with chronic diseases.
Owner:CLEARPATH PARTNERS

Apparatus and methods for early stage peritonitis detection and for in vivo testing of bodily fluid

The invention provides, inter alia, automated medical methods and apparatus that test PD effluent in a flow path (e.g., with an APD system or CAPD setup) to detect, for example, the onset of peritonitis, based on optical characteristics of the effluent resolved at cellular scales of distance. For example, according to one aspect of the invention, an APD machine includes, in an effluent flow path, apparatus for early stage peritonitis detection comprising an illumination source and a detector. The source is arranged to illuminate peritoneal effluent in a chamber that forms part of the flow path, and the detector is arranged to detect illuminant scattered by the effluent. The detector detects that reflected or scattered illuminant at a cellular scale of resolution, e.g., on a scale such that separate cellular-sized biological (or other) components in the effluent can be distinguished from one another based on scattering events detected by the detector. Other aspects of the invention provide automated medical testing methods and apparatus that detect the onset of peritonitis and other bodily conditions by testing fluids in the body in vivo, e.g., the patient's peritoneum. Such apparatus and methods utilize a first fiber optic bundle to carry illuminant from a source of the type described above into a bodily organ or cavity, and a second fiber optic bundle to carry illuminant scattered by fluid in that organ or cavity to a detector as described above.
Owner:FRESENIUS MEDICAL CARE HLDG INC

Test paper detection card intelligent detection system and test paper detection card intelligent analysis method

The invention provides a test paper detection card intelligent detection system and a test paper detection card intelligent analysis method. The test paper detection card intelligent detection system comprises a test card detection card and an intelligent terminal; the test paper detection card includes a test paper detection area; four corner positions of the test paper detection area are each provided with a positioning mark; a standard color area formed by a plurality of standard color blocks with different colors is arranged at one side of the test paper detection area; a reaction area formed by arraying a plurality of reaction blocks is arranged at the other side of the test paper detection area; the test paper detection area also is distributed with a validation area formed by a plurality of white shadow validation color blocks; a bar code area is arranged in the test paper detection area. The test paper detection card intelligent detection system and the test paper detection card intelligent analysis method have the advantages that environmental interference factors during image shooting are effectively eliminated, and the sensitivity and accuracy of detection results are improved; and in addition, a detection and analysis algorithm is simple, so the detection time can be shortened, and the system and the method can play an important role in urine routine, blood routine and other medical detection.
Owner:长沙云知检信息科技有限公司

Multinomial liquid quality control material and preparation method thereof

ActiveCN101762710AAnalytical composition is stableSo as not to damageBiological testingBlood plasmaMedical testing
The invention relates to the field of the medical test quality control, in particular to a multinomial liquid quality control material and a preparation method thereof. The preparation method comprises the following steps: collecting waste blood of a blood bank; carrying out clinical examination on a waste blood sample or mammal blood; separating serum or blood plasma; analyzing the content of each quality control components in the serum or the blood plasma; adjusting each analysis component; adopting a methylene blue photosensitive inactivation method to inactivate various potential pathogenic microorganisms; and adding a composite protective agent to prepare the quality control material. As the invention adds the composite protective agent consisting of glycol and glycerol into the quality control material, each analysis component in the quality control material is stable, can be stable for one month at room temperature, can be stable for 2 to 4 months at a temperature of 4 DEG C, and can be stable for 12 months at a temperature of minus 20 DEG C. Moreover, the quality control material of the invention adopts the methylene blue photosensitive inactivation method to inactivate various potential pathogenic microorganisms, thereby having no potential pathogenic microorganism harmfulness.
Owner:明德松

Diatom inspection method in medical jurisprudence

ActiveCN101776623ADoes not affect detectabilityDoes not affect species identificatioMaterial analysis using wave/particle radiationPreparing sample for investigationFiltrationScanning electron microscope
The invention relates to the field of medical jurisprudence inspection, in particular to a diatom inspection method in medical jurisprudence. The method at least comprises the following steps: (1) microwave digestion: adding concentrated nitric acid and hydrogen peroxide solution into the inspected sample to carry out microwave digestion; (2) vacuum filtration: carrying out vacuum filtration on the digestion solution, adding ultrapure water, carrying out vacuum filtration continually until the surface of the filter membrane is approximately neutral, adding absolute ethyl alcohol, and carrying out vacuum filtration to remove moisture from the filter membrane; (3) a scanning electron microscope automatically takes pictures and stores the pictures; and (4) qualitative and quantitative analysis on diatom: carrying out inspection, classification and statistic treatment on the diatom in the on-spot pictures in an artificial identification way or computer automated identification way. The invention has the advantages of high detection sensitivity, high accuracy of qualitative and quantitative analysis, simpleness, high efficiency and environmental protection, can effectively avoid pollution, greatly improves the working environment for diatom inspection technicians in medical jurisprudence, and reduces the labor intensity, thereby having wide application prospects in drowning diagnosis practice in medical jurisprudence.
Owner:GUANGZHOU CRIMINAL SCI & TECH RES INST
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