13 results about "Tissue Distributions" patented technology

The invention discloses a wound healing state evaluation system based on multi-modal image mode recognition, relates to the technical field of mode recognition, and aims to construct a multi-modal and three-dimensional wound monitoring network structure and improve the accuracy and coverage dimension of wound tissue distribution monitoring, so that efficient and accurate healing state evaluation decision is realized. The healing process and patient individual differences are considered, the monitoring precision and diagnosis response speed of wound healing state evaluation are improved, the healing efficiency and rehabilitation effect in the wound treatment process are remarkably improved, the skin gray threshold value and the deformation index threshold value can be dynamically adjusted according to the individual characteristics of different patients, and the healing effect is improved. The continuous influence of tissue state misjudgment on healing evaluation is effectively prevented, evaluation deviation and treatment delay caused by subjective judgment are avoided, differential evaluation can be performed according to different skin types and healing characteristics, and the intelligent level of wound healing state evaluation and the precision of clinical application are effectively improved.

The invention discloses a preparation method of an Al-Bi2O3 energetic structure material, which comprises the following steps: fully mixing original powder by using a V-shaped mixer, and pressing the mixed energetic powder into a sample tube through uniaxial pressing to obtain a compacted initial blank; then compressing and densifying the initial green body by using instant high-strength shock waves generated by explosive detonation, and finally performing heat treatment on the sintered energetic structure material to eliminate residual stress generated in the explosive sintering process. The Al-Bi2O3 energetic structure material prepared by adopting the preparation method is uniform in tissue distribution and excellent in mechanical property, high-activity thermite powder can be densified into a high-strength structural part on the premise of avoiding advanced reaction, the contradiction between strength and activity of the structural part is perfectly solved, a binder such as a polymer does not need to be added, and the preparation method is simple and convenient. The problem of energy dilution or impurity introduction of the binder is avoided, and the energy density of the material is ensured.

The present application relates to the technical field of image processing, in particular to a kind of cardiovascular medicine OCT image filtering enhancement method, the method comprises: by obtaining optical coherence tomography OCT image, and the classification distribution parameter and tissue distribution parameter of image, wherein classification distribution parameter is based on the light and dark change of original image and is obtained by classifying original image, and tissue distribution parameter is based on the tissue distribution of original image and is obtained by segmenting original image.Then based on the difference of classification distribution parameter and tissue distribution parameter, determine the noise influence factor of original image, and according to noise influence factor, original image is carried out non-local mean filtering, clear target image that inhibits speckle noise is obtained, finally, target image is enhanced, it is ensured that the OCT image after enhancement retains important structure details, and unnecessary noise interference is reduced.

The method and device for introducing distribution and region constraints and enhancing blood vessel structure can obtain real information of liver blood vessels simply and quickly, assist doctors in preoperative planning, are favorable for expanding the use range of liver blood vessel data, and increase the flexibility of use. The method comprises the following steps: (1) obtaining three-dimensional image data, manually sketching the liver boundary to obtain a corresponding liver mask; (2) pre-processing the image based on liver labeling; (3) estimating the tissue distribution in the liver by using a Gaussian mixture model; (4) introducing distribution and region constraints, and calculating the liver blood vessel enhancement value under single-scale Gaussian filtering; and (5) calculating all scales, using maximum density projection on the image of each scale to obtain a liver blood vessel enhancement image.

The invention relates to a method for predicting absorption in medical imaging by providing (S1) an absorption model based on at least one physiological parameter and a tissue distribution, providing (S3) a group of patient data, translating (S4) the group of patient data into a statistical distribution of at least the physiological parameter and determining (S5) a statistical distribution of absorption values ​​for the group with the absorption model as a function of the statistical distribution of the physiological parameter.

This invention discloses a mouse experimental method for detecting the tissue distribution of exogenous oxytocin, belonging to the field of biotechnology. Specifically, oxytocin is injected into or nasally sprayed into oxytocin knockout mice, and body tissues, including but not limited to brain tissue, mammary gland tissue, blood, heart tissue, uterine tissue, bone tissue, and muscle tissue, are collected at different time points. The tissue distribution and content of oxytocin are then detected using liquid chromatography-mass spectrometry (LC-MS / MS). This experimental method allows for a wider range of experimental samples, not just focusing on brain tissue and blood; it also has higher sensitivity and stronger specificity; and by utilizing oxytocin gene knockout mice, it eliminates the influence of endogenous oxytocin, providing certain assistance for subsequent animal experiments and clinical research on oxytocin.

The joint replacement surgery processing method and device fusing precise perception of soft tissue can realize real-time quantitative perception of soft tissue tension, and display the soft tissue tension in real time through augmented reality. According to the current soft tissue distribution state, different surgical scheme effects are provided to the doctor, the soft tissue adjustment precision is improved, the postoperative functional recovery effect of the patient is improved, the operation time is reduced, the operation execution efficiency of the doctor is improved, the operation pressure of the doctor is reduced, and the pain of the patient is reduced. It comprises: (1) dynamic visualization model construction; (2) tension dynamic distribution visualization enhancement; (3) intraoperative soft tissue release precise guidance.

The invention provides a sequence composition and a kit for detecting the tissue distribution and / or expression level of an AAV carrier drug. The sequence composition for detecting the tissue distribution and / or expression level of the AAV carrier drug comprises a first forward primer as shown in SEQ ID NO: 1, a first reverse primer as shown in SEQ ID NO: 2 and a first probe as shown in SEQ ID NO: 4. The sequence composition and the kit have the remarkable advantages of being universal, efficient, high in specificity, accurate in detection and high in sensitivity in application, and a better solution is provided for detection and research in related fields.

The invention discloses a method and a system for analyzing body components based on abdominal CT (computed tomography) scanning, which effectively solve the problem of spine confusion caused by highly similar structures of adjacent vertebral bodies by introducing a local anatomical marker on an image, and do not need to depend on a large data set to perform remote vertebral body context learning, thereby reducing the data demand and improving the accuracy of the data. And the reliability of spine segmentation is improved. According to the method, a two-stage segmentation strategy is adopted, spine segmentation and body composition segmentation are optimized respectively, the independence and precision of each segmentation task are guaranteed, the strategy can effectively improve the segmentation accuracy, and compared with an existing method, centrum confusion is reduced, and the consistency of measurement results is improved. According to the method, three-dimensional volume measurement of muscle, subcutaneous fat and visceral fat is realized, and compared with a single-slice or multi-slice two-dimensional area inference method, tissue distribution in a whole spine range can be reflected more comprehensively and accurately, so that the volume measurement error is remarkably reduced, and the reference of data is improved.

The invention relates to a method for predicting absorption in medical imaging by providing (S1) an absorption model that is based on at least one physiological parameter and a tissue distribution, providing (S3) a group of patient data, translating (S4) the group of patient data into a statistical distribution of at least the physiological parameter and determining (S5) a statistical distribution of absorption values for the group with the absorption model in dependence upon the statistical distribution of the physiological parameter.

The utility model discloses two kinds of wet tissue product automatic placing equipment which comprises a double-channel conveying belt, a single-channel conveying belt is arranged at the end of the double-channel conveying belt, an apportionment assembly is arranged at the connecting position of the single-channel conveying belt and the double-channel conveying belt, a frame is arranged on the upper portion of the single-channel conveying belt, and the single-channel conveying belt and the double-channel conveying belt are connected through the apportionment assembly. An alignment assembly is arranged on the lower surface of the frame; according to the wet tissue distribution device, the distribution assembly is arranged, the motor is used for driving the center rod to rotate, the center rod can drive the turning plates to rotate around the center rod in the rotating process, wet tissues are pushed to the single-channel conveying belt, the turning plates on the two sides are distributed in a staggered mode, and therefore the two kinds of wet tissues slide on the single-channel conveying belt in a staggered mode; and the allocation operation of the two types of wet tissues is completed.

The present invention provides to a bispecific single chain antibody construct binding to a target cell surface antigen via a first binding domain and to the T cell surface antigen CD3 via a second binding domain, the construct comprising two FcRn binding peptides. Moreover, the invention provides a nucleic acid molecule encoding the antibody construct, a vector comprising said nucleic acid molecule and a host cell transformed or transfected with said vector. Furthermore, the invention provides a process for the production of the antibody construct of the invention, a medical use of said antibody construct and a kit comprising said antibody construct.

The application provides a sequence composition and a kit for detecting tissue distribution and / or expression level of an AAV vector drug.The sequence composition for detecting tissue distribution and / or expression level of the AAV vector drug provided by the application comprises a first forward primer as shown in SEQ ID NO:1, a first reverse primer as shown in SEQ ID NO:2 and a first probe as shown in SEQ ID NO:4.The sequence composition and the kit provided by the application have the remarkable advantages of being universal, efficient, specific, accurate, sensitive and the like in application, and provide a more optimal solution for detection and research in the related field.