31results about How to "Accurate aggregation" patented technology

The invention relates to a purpose of immunological nanoparticles of brucine in preparing anti-hepatoma target drugs. The immunological nanoparticles of brucine are immunological target nanoparticles which treat brucine as an active component and a carboxylated polyethylene glycol-polylactic acid segmented copolymer as a drug coating accessory, and are formed by externally linking with anti-humanAFP monoclonal antibodies. The immunological nanoparticles of brucine provided by the invention, which have the characteristics of simple technology, high entrapment rate, stable drug release, and good balling, can be used for preparing antitumor target drugs which can be used for anti-hepatoma treatment. By intravenous injection, a nanometer carrier anti-human AFPMcAb-polyethylene glycol-polylactic acid segmented copolymer allows brucine aggregation in hepatoma cells to be increased, the drugs to be slowly and locally released, the effect time of the drugs to tumor cells to be prolonged, thelocal drug concentration to be improved, and the whole body toxicity of brucine to be reduced. So the immunological nanoparticles of brucine of the present invention have the advantages of accurate aggregation of target drugs in the cells of tumor tissues, stable drug release, good anticancer effect, safety and the like.

The invention provides a medical data aggregation method and a device, and the method comprises the steps: obtaining a to-be-aggregated business table which comprises at least one field, each field comprises at least one piece of medical data, wherein the number of medical data in the to-be-aggregated business table is greater than a first preset number; randomly collecting a second preset numberof samples in the medical data; carrying out first identification on the collected sample to obtain a first sample and a second sample, and determining a first type of a field corresponding to the first sample; performing second identification on the second sample, and determining a second type of a field corresponding to the second sample; and according to the first type and the second type, determining a service table category of the to-be-aggregated business table. According to the scheme of the invention, the medical data can be gathered more accurately.

The invention discloses a Z axis elastic distance servo system used for laser processing, wherein a Z axis actuating mechanism is connected to a bracket; the bracket is provided with a fixed guiding sleeve and upper and lower limiting switches; a sliding guiding sleeve which can extend downwards is arranged in the fixed guiding sleeve; the lower end of the fixed guiding sleeve is provided with an anti-dropping cover; the lower end of the sliding guiding sleeve is provided with a connecting flange; a returning spring is arranged between the connecting flange and the anti-dropping cover; upper and lower limiting rods which are corresponding to the upper and lower limiting switches are arranged on the connecting flange; a laser head is fixed under the connecting flange and is aimed at a processed workpiece; a universal rolling ball head which can move on the surface of the processed workpiece is fixed under the connecting flange; and a constant vertical interval is kept between a light outlet of the laser head and the lower end of the universal rolling ball head. The Z axis elastic distance servo system can be used for realizing the elastic floatation of the laser head in a defined scope and realizing the quick ascending and descending of the laser head out of the preset scope by using the limiting switches to control a driving motor, thereby ensuring that the laser beam is focused on the surface of the processed workpiece all the time.