39results about How to "Non-invasive testing" patented technology

The invention discloses a flexible temperature-sensitive sensor. The flexible temperature-sensitive sensor comprises a flexible substrate, a temperature-sensitive material layer, an electrode layer and a flexible protection layer, wherein the temperature-sensitive material layer is formed on the surface of the flexible substrate and provided with a three-dimensional porous nano-structure; the electrode layer comprises at least two electrodes, and the electrodes are led out from the temperature-sensitive material layer or the surface of the temperature-sensitive material layer; the flexible protection layer is formed on the surface of the temperature-sensitive material layer or the surface of the temperature-sensitive material layer and the portion of the electrode layer, on the surface of the temperature-sensitive material layer. The invention further discloses a body temperature monitoring system based on the flexible temperature-sensitive sensor. The sensor disclosed by the invention is light, thin and soft, capable of being machined into various shapes, and capable of being attached and worn on the surface of the skin as clothes; the sensor and the monitoring system have the advantages of being high in sensitivity, simple to operate, non-invasive, accurate in measurement result, and capable of continuously recording body temperature changes.

The invention discloses a peripheral blood circular RNA marker for noninvasive diagnosis of active pulmonary tuberculosis. A primer is designed according to the peripheral blood circular RNA marker; the designed primer can be used for preparing a noninvasive diagnosis kit used for the active pulmonary tuberculosis. The peripheral blood circular RNA marker can be used for effectivelydistinguishing patients with pulmonary tuberculosis from healthy people, and has the advantages of convenient and noninvasive detection, high accuracy and good stability, thus being suitable for being popularized and used.

The present invention provides a method for detecting transplantation failure of a transplanted organ or cells which comprises detecting a donor-positive but recipient-negative DNA marker in the recipient's plasma using pyrophosphorolysis activated polymerization. Because of the high sensitivity, specificity and selectivity of pyrophosphorolysis activated polymerization, transplantation failure can be detected at early stages and treatment can be initiate earlier.

The invention relates to a living tissue detection device and a working method thereof. The detection device of the present invention includes a light source transmitting unit, an optical fiber probe, a spectrum analysis and data processing unit, a transmitting optical fiber, a receiving optical fiber and an optical switch; All or part of the distances between the root optical fiber and each optical fiber in the receiving optical fiber are different, and the number of these different distances is greater than or equal to two. The working method of the detection device of the present invention is: use the ratio sequence obtained by comparing the light intensity information of each wavelength in the diffuse reflection light of the living tissue obtained through detection with the light intensity reference to obtain the diffuse reflection spectrum signal, and control the optical switch. The state detects the states of different depths of the living tissue to obtain the detection results. The invention not only can perform tomographic optical detection, but also has high detection precision.

The non -invasive blood glucose detection device based on the Raman scattering spectrometer includes semiconductor lasers, fiber fiber signs, optical fiber probes, filters, Raman spectrometers, first circuit switches, second circuit switchesYimen computer; the present invention uses the rich molecular vibration information contained in Raman's scattered light, and uses different molecular scattering spectra to identify the molecules with the Raman scattered spectrum, through the pure blood, through the pure blood1125cm in Raman scattering spectrum ‑1 Glucose characteristic peak for 1549cm ‑1 The relative values of the peak value of hemoglobin at the point and the real -time human blood glucose concentration data measured by the blood glucose biochemical meter measurement, establish 1125cm ‑1 The relative peak of glucose characteristics peaks and human blood glucose concentration standards straight line L, eventually realized non -invasive and real -time testing of human blood sugar; the present invention has the advantages of high accuracy, pollution -free, harmless to the human body, and in the field of biological non -invasive testing.Wide application prospects.

The invention discloses a device and a method for detecting the absolute amount of the blood oxygen and the blood volume of local brain tissue. The device comprises an optical probe and a controller; the optical probe is used for emitting the near-infrared light to the surface of the local brain tissue to be detected and detecting the light intensity which is reflected from the surface of the local brain tissue to be detected; the controller is used for controlling the emission of the optical probe and obtaining optical signals. According to the device and the method for detecting the absolute amount of the blood oxygen and the blood volume of the local brain tissue, a multi-wavelength light source is selected, continuous waves are utilized, and accordingly the price is low, the signals are stable, the method is easy to implement, and the rapid popularization can be achieved; a common photosensitive detector is adopted and accordingly the high measurement sensitivity is ensured and the portability of the instrument is greatly improved; an absolute value of the blood oxygen and blood volume amount of the local brain tissue can be detected noninvasively, timely, rapidly and accurately and accordingly the differences between the lesion area and the normal area or the differences between patients and normal persons can be accurately reflected.

The invention discloses a non-invasive blood lipid detection device and detection method based on near-infrared spectroscopy, wherein the detection device includes a broadband light source laser, an optical fiber beam splitter, a first focusing lens, a second focusing lens, a first optical fiber probe, and a second optical fiber probe, the third focusing lens, the fourth focusing lens, the first near-infrared spectrometer, the second near-infrared spectrometer, a lock-in amplifier, a heart rate measuring instrument and a computer; The relative value of the characteristic peak of blood lipid to the characteristic peak of hemoglobin at 2298nm and the known blood lipid content of the human body, a large amount of data fitting to obtain the relationship curve between the relative intensity of the characteristic peak of blood lipid in the near-infrared transmission spectrum and the content of blood lipid, and then detect the real-time blood lipid of the human body content. The invention has many advantages such as real-time detection, rapidity, safety and environmental protection, and has broad application prospects in the fields of biological non-invasive detection and disease prevention and treatment.