35 results about "Implantation time" patented technology

Methods, sensors, and systems for determining a concentration of glucose in a medium of a living animal are disclosed. Determining the glucose concentration may involve emitting excitation light from a light source to indicator molecules, generating a raw signal indicative of the amount of light received by a photodetector, purifying and normalizing the raw signal, and converting the normalized signal to a glucose concentration. The purification may involve removing noise (e.g., offset and / or distortion) from the raw signal. The purification and normalization may involve tracking the cumulative emission time that the light source has emitted the excitation light and tracking the implant time that has elapsed since the optical sensor was implanted. The purification and normalization may involve measuring the temperature of the sensor. The purification, normalization, and conversion may involve using parameters determined during manufacturing, in vitro testing, and / or in vivo testing.

Methods, sensors, and systems for determining a concentration of glucose in a medium of a living animal are disclosed. Determining the glucose concentration may involve emitting excitation light from a light source to indicator molecules, generating a raw signal indicative of the amount of light received by a photodetector, purifying and normalizing the raw signal, and converting the normalized signal to a glucose concentration. The purification may involve removing noise (e.g., offset and / or distortion) from the raw signal. The purification and normalization may involve tracking the cumulative emission time that the light source has emitted the excitation light and tracking the implant time that has elapsed since the optical sensor was implanted. The purification and normalization may involve measuring the temperature of the sensor. The purification, normalization, and conversion may involve using parameters determined during manufacturing, in vitro testing, and / or in vivo testing.

The invention discloses a kneed prosthesis implantation method, an osteotomy module used and a using device, the kneed prosthesis implantation method comprises the following steps of measuring the data of knee joint bone tissues, extracting the data of articular cartilage and the skeleton profile, establishing a three-dimensional model in an image processor, designing the osteotomy module, determining the size and the type of the used kneed prosthesis and determining an osteotomy module model and the implantation of the kneed prosthesis. The kneed prosthesis implantation method of the invention can reduce the trauma of a patient, lower the cost, shorten the implantation time, reduce the risk of complications of a user of the kneed prosthesis and have less error and higher precision.

The invention discloses a vena cava filter which is placed at the position of an inferior vena cava between kidney venas and iliac venas, and is formed by integrally cutting a nickel-titanium alloy pipe with laser. The filter comprises connecting rods, a top layer filter screen, a middle layer filter screen and a bottom layer filter screen, wherein the top layer filter screen, the middle layer filter screen and the bottom layer filter screen are jointly formed in a cage-shaped structure, the middle layer filter screen is positioned between the top layer filter screen and the bottom layer filter screen, and is formed by inwards bending a plurality of branches which are cut; the top layer filter screen and the middle layer filter screen can capture and intercept larger thrombosis, and the bottom layer filter screen can capture and intercept smaller thrombosis; the surfaces of the filter screens of the three layers are wrapped with PTFE (poly tetra fluoro ethylene) films; the connecting rods are in contact with vascular walls, are connected with the cage-shaped structure, can be divided into more than two branches, are formed by expanding, and are wrapped with the PTFE films. The vena cava filter provided by the invention has the advantages that the effect of filtering the thrombosis is excellent, the vena cava filter can be repeatedly and firmly positioned, the implantation time can be prolonged, the vena cava filter can be recovered, and the endothelialization effect can be delayed.

The invention discloses a composite explosive molding process. In order to solve the problem that the pouring explosives cannot realize the orderly assembly of particles, the invention adopts the method of mechanical implantation to implant oxidant, reducing agent particles or composite explosives into the mixed explosives to prepare high-energy pouring PBX explosives, pyrotechnics, and propellants Wait. While achieving the purpose of orderly assembly of particles, the invention solves the problem of air bubbles in mechanical implantation through a vacuum process; by controlling the implantation time, it ensures that there is no crack defect in the charge after implantation. The molding process disclosed by the invention is divided into five steps: determining the implantation time, preparing the implanted particles, preparing the matrix, implanting the particles, orderly assembling the particles, and curing at high temperature. The invention is mainly applied in the fields of explosives and explosives.

The invention discloses a recyclable thrombus filter, which is placed in the inferior vena cava between the renal vein and the iliac vein through an interventional method, so as to prevent the thrombus from the lower extremities from ascending into the lungs and causing pulmonary embolism. Filter screen design, including: a near-end net, a far-end net and a support rod connected between the proximal net and the far-end net, the support rod adopts a concave design, and the concave design includes a concave part and a The proximal point and the distal point connected to the upper and lower sides of the concave part, the proximal point and the distal point are attached to the inner wall of the blood vessel to support the blood vessel, and the proximal point is provided with an anchor The thorns play a fixed role and prevent the filter from being displaced under the washing of blood. The invention is a recyclable thrombus filter which has good thrombus filtering effect, can be positioned repeatedly, is fixed and stable, and can prolong the implantation time.

The invention relates to a method for utilizing ion implantation technology to modify serpentine, which belongs to the technical field of physical technology material modification. The method is characterized in that serpentine powder is placed in an ion implantation machine, a cavity of the ion implantation machine is vacuumized, and the vacuum degree requirement is 1*10-3-1*10-6Torr. NH3 is injected in ion mode, ion implantation energy is 30-60kev, implantation flux is 1*1017cm-2, and the implantation time is 3 to 20min. Finally samples where ion is implanted are taken out to obtain serpentine samples with N element implantation.