98results about How to "Avoid complications" patented technology

The embodiment of the invention provides a base station antenna, and relates to the technical field of communication. The base station antenna comprises a housing, a phase shifter and a combiner. The shell is provided with combining cavities and phase shifting cavities, the two phase shifting cavities are arranged side by side in the first direction, the combining cavities are arranged on the same side of the two phase shifting cavities in the second direction in a stacked mode, the first direction is perpendicular to the second direction, and the size of the combining cavity in the first direction is larger than the size of any phase shifting cavity and smaller than the sum of the sizes of the two phase shifting cavities; the phase shifter comprises two phase shifting modules corresponding to the phase shifting cavities, each phase shifting module is arranged in the corresponding phase shifting cavity, and each phase shifting module is provided with a phase shifting network; the combiner is arranged in the combining cavity and provided with a combining network, and the combining network is connected with the two phase shift networks. According to the base station antenna provided by the embodiment of the invention, multi-frequency, miniaturization and integration are realized, the gain, radiation efficiency and sidelobe performance of the base station antenna are optimized, the feed network is simple, and the resonance phenomenon is avoided.

The utility model discloses a cardiovascular intervention postoperative artery wound compression device, which relates to the technical field of wound compression devices and comprises a shell, two sides of the shell are movably connected with two sides of a bandage, an adjusting mechanism is arranged at the bottom of the shell and comprises a circular ring, and the inner side of the circular ring is slidably connected with the bottom of the shell. The inner side of the shell is slidably connected with a pressing block, the front portion and the rear portion of the pressing block are both fixedly connected with threaded blocks, the outer sides of the threaded blocks are in meshed connection with the inner side of a circular ring, the inner side of the top of the shell is rotationally connected with a rotating disc, the bottom of the inner side of the pressing block is fixedly connected with the bottom of a rack, and one side of the rack is in meshed connection with the front portion of a gear. One side of the gear is fixedly connected with a worm, the rear portion of the worm is connected with a worm gear in a meshed mode, through the adjusting structure, the effect that the compression pressure can be observed is achieved, and the problem that in a traditional wound compression device, the wound compression force cannot be accurately controlled according to the pulse pressure of a patient is solved.

The invention relates to the technical field of treatment of myopia, and discloses a method and a composition for preventing or treating myopia by adopting vinpocetine, the method comprises vinpocetine, or tropicamide, or phenylephrine hydrochloride, or a combination of these substances as a sole active ingredient for inhibiting or controlling the progression of myopia; the methods in the present application can reduce the dependency of subjects with such visual impairments on corrective lenses. For example, the methods described herein may result in improved vision, including improved visual acuity. Abnormal axial elongation of eyeballs can be avoided, and therefore complications, especially serious retina diseases threatening vision, can be avoided.

The invention discloses a gene engineering exosome and a slow release method and application thereof, the gene engineering exosome is derived from human adipose-derived stem cells, si-tgfbr2 is loaded in the gene engineering exosome, the si-tgfbr2 is specific siRNA aiming at a Tgfbr2 gene, and the gene engineering exosome can regulate and control proliferation of VSMCs, inhibit transformation of the VSMCs from a contraction phenotype to a synthetic phenotype when the VSMCs are stimulated, and inhibit the growth of the VSMCs. According to the present invention, the gene engineering exosome can be used to maintain the normal structure and the function of the blood vessel, and the sustained release effect of the content in the gene engineering exosome can be achieved by wrapping the gene engineering exosome in the PHA biodegradable material, such that the local treatment concentration can be easily stabilized, the drug administration frequency can be easily reduced, the lasting time of the treatment effect can be easily prolonged, and the treatment gene can be effectively delivered to the target cell; the treatment effect is improved; when being used for modifying a small-caliber artificial blood vessel, the small-caliber artificial blood vessel can be improved in biocompatibility and functionality, and can be prevented from being implanted into the blood vessel for remodeling unbenign hyperplasia stenosis; the invention not only provides a new thought and method for the treatment of vascular diseases, but also has important clinical application value and popularization prospect.

The invention discloses an ultrasonic osteotome control system for removing bones and reducing resistance of alveolar bones in the technical field of medical treatment, and the ultrasonic osteotome control system comprises an ultrasonic osteotome and a controller, a signal processing module; a judgment module; a control module; the three-dimensional image navigation module is used for positioning the ultrasonic osteotome and planning an operation path; the integrated heat dissipation module is used for dissipating heat generated when the ultrasonic osteotome works; the cooling liquid module is used for intelligently adjusting the spraying amount and spraying speed of cooling liquid according to the temperature change of the surgical site and providing different cooling liquid modes, and the cooling liquid modes comprise an anesthesia mode, a disinfection mode and a wound healing mode; and a monitoring feedback module. The ultrasonic osteotome is scientific and reasonable, and intelligent control and precise surgical operation of the ultrasonic osteotome are achieved by integrating advanced signal collecting, processing and judging technologies and combining three-dimensional image navigation, intelligent heat dissipation, multifunctional cooling liquid and a real-time monitoring feedback module.

The invention relates to the technical field of catheter mapping and ablation, and discloses a pulsed electric field ablation control device. The pulsed electric field ablation control device comprises: an impedance detection part for performing fine impedance detection on a contacted tissue by using an electrode on an ablation catheter; the tissue thickness determining part is used for determining the thickness of the tissue according to the change of the detected impedance under different contact conditions; and the ablation control part is used for controlling the ablation catheter to carry out pulsed electric field ablation output according to the determined thickness of the tissue. According to the focusing electrode, the impedance of the contact tissue and the tiny impedance change under different contact conditions can be accurately detected, so that the tissue thickness can be calculated, proper ablation parameters can be matched, and complications caused by too large ablation parameters are avoided. In addition, according to the pulse electric field ablation control technology, the ablation depth can be determined, and excessive ablation is avoided.

A foldable circular (tubular) anastomosis device under an endoscope comprises a nail anvil assembly, a nail bin assembly, a nail pushing assembly and a power assembly. The nail anvil assembly is provided with a plurality of nail anvil plates which can be folded or unfolded in the radial direction; the nail bin assembly is detachably connected with the nail anvil assembly, the nail bin assembly is provided with a plurality of nail bin plates which can be folded or unfolded in the radial direction, and cutting knives which can move in the axial direction are arranged on the inner side faces of the nail bin plates; the nail pushing assembly is installed in the nail bin plate and provided with a nail pushing block and a knife pushing block. The power assembly is used for controlling the nail cutting board or the nail bin board to be folded or unfolded and pushing the nail pushing assembly to move in the nail groove so as to complete nail cutting of the tissue. The characteristic that a circular (tubular) anastomosis device can be folded is fully utilized, the space limitation of an endoscope puncture outfit is broken through, circular end-side anastomosis or end-end anastomosis under a full endoscope is achieved, a wound is minimally invasive, high efficiency and safety are achieved, and the operation time is effectively shortened.

The invention provides a respiratory training method for rapid recovery of lung functions after general thoracic surgery, and belongs to the technical field of medical rehabilitation, the respiratory training method for rapid recovery of lung functions after general thoracic surgery comprises the following steps: performing preoperative evaluation, measuring parameters such as vital capacity, making a personalized training plan in combination with age, basic diseases and operation types, and establishing a personalized training plan for rapid recovery of lung functions after general thoracic surgery; the method is divided into an early stage, a middle stage and a later stage, and abdominal respiration and lip contraction respiration training is carried out in the early stage; in the middle stage, deep respiration and excitation type spirometer training are increased; resistance breathing and breathing exercise training is conducted in the later stage, parameters such as breathing frequency and subjective feeling of patients are closely monitored in the training, the training intensity and method are adjusted according to conditions, accurate training can be conducted according to individual differences of the patients, the lung function rehabilitation efficiency is effectively improved, complications are reduced, and the life quality of the patients is improved. The device is suitable for general thoracic surgery postoperative patients.

The present invention provides an expansion balloon and a balloon expansion catheter, wherein the expansion balloon comprises an outer balloon and an inner balloon; the outer balloon is sleeved outside the inner balloon, the inner balloon switches between a folded state, a pre-formed state and a first expansion state, and the outer balloon has a second expansion state; when the inner balloon in the folded state to the pre-formed state is filled with filling fluid, the inner balloon expands from the folded state to the pre-formed state, and the outer balloon expands with the expansion of the inner balloon; when the inner balloon in the pre-formed state continues to be filled with filling fluid, the inner balloon continues to expand and drives the outer balloon to expand, until the outer balloon expands to the second expansion state, the inner balloon is in the first expansion state. With such configuration, the pre-formed state of the inner balloon can meet the requirements of anchoring different lesion positions, locally expanding lesion positions and setting of special balloon external structure; the outer balloon limits the final expansion form of the expansion balloon, avoiding complications caused by excessive expansion.

The present application provides a degradable vena cava filter with an expansion structure, which relates to the field of cardiovascular medical devices, and includes a stent segment, which includes a plurality of expansion components connected in sequence along the circumferential direction, each expansion component is provided with an anchor hook, and the anchor hook is embedded in the blood vessel wall for positioning the filter; when the plurality of expansion components are stretched, the plurality of expansion components expand outward in a direction away from the axis. By providing a plurality of expansion components, when the expansion components are stretched due to blood flow impact, the plurality of expansion components can respectively expand outward in the radial direction and drive the corresponding anchor hooks to expand outward, so that the stent segment fits more closely to the blood vessel wall, improves the anchoring ability of the anchor hook on the blood vessel wall, and reduces the displacement problem of the degradable vena cava filter with an expansion structure during use.

The present invention relates to a test device for a breathing valve and a test method thereof, comprising an operating table, which is a box structure, a control panel is arranged on the outside of the operating table, and an air pressure system is arranged on the inside; and a test table, which is a tank structure, a transfer flange is arranged on the upper end of the test table, a test inlet and a pressure gauge interface are arranged on the side, a fixture assembly is arranged on the periphery of the transfer flange, the test inlet is connected to the air pressure system, and a U-shaped pressure gauge is connected to the pressure gauge interface. It also includes a test device for a breathing valve for testing, including the following steps: S1. Assembling the test device; S2. Installing the breathing valve; S3. Testing the breathing valve; S4. Disassembling the test device. The test device for the breathing valve only needs to control the test on the control panel, which is more convenient and simple to operate; the positive / negative pressure data of the opening of the breathing valve can also be accurately obtained by using the U-shaped pressure gauge, which has the advantages of low cost and good practicality.

The invention relates to the technical field of medical rehabilitation equipment, and discloses a household nursing bed folding structure which comprises a nursing bed supporting frame, bed head baffles are fixedly connected to the two ends of the upper side face of the nursing bed supporting frame, lifting supporting columns are arranged at the two ends of the lower side face of the nursing bed supporting frame, and bottom connecting plates are fixedly connected to the lower ends of the bed head baffles. Lockable universal wheels are rotationally connected to the two ends of the lower side face of the bottom connecting plate, a second supporting connecting rod and a third supporting connecting rod are fixedly connected to the inner walls of the two sides of the nursing bed supporting frame, a fifth supporting connecting rod is fixedly connected to one end of the inner wall of the nursing bed supporting frame, and a body supporting plate assembly and a hip opposite plate are further arranged on the nursing bed supporting frame. The folding structure of the household nursing bed integrates multiple functions, improves the comfort of a patient and the nursing efficiency, ensures safety and stability, prevents complications, is convenient to clean and maintain, and reduces the use cost.

The invention relates to an intelligent orthodontic image management method and system, and relates to the technical field of data management, and the system comprises an image obtaining module which is used for obtaining orthodontic data of historical patients; the image storage module is used for encrypting and storing the orthodontic data of historical patients; the feature acquisition module is used for acquiring the orthodontic image of the patient to be subjected to orthodontic treatment from the image generation terminal and extracting the oral features of the patient to be subjected to orthodontic treatment from the orthodontic image of the patient to be subjected to orthodontic treatment; the image searching module is used for determining a target historical patient based on the oral features of the to-be-orthodontic patient; the image sharing module is used for calling the orthodontic data of the target historical patient and sending the called orthodontic data of the target historical patient to the doctor terminal; and the scheme generation module is used for generating an auxiliary orthodontic scheme based on the oral features of the patient to be orthodontic and the orthodontic data of the target historical patient, and the method has the advantage of improving the quality of orthodontic image management.

The invention relates to a peaceful treatment and protection tool for an advanced cancer patient, and belongs to the field of medical assistance. The calming treatment and protection tool body comprises a base, a fixed horizontal part fixedly connected to one side of the top of the base, a rotary rising part hinged to one side of the fixed horizontal part, a controller fixedly installed outside the base and a driving box arranged on the upper surface of the base, and a massage mechanism extending to the outside of the driving box is arranged in the driving box; a moving mechanism used for moving the massage mechanism is arranged outside the base. According to the peaceful treatment and protection tool for the advanced cancer patient, a double-shaft motor is started to work through a controller to drive two transmission gears to rotate, so that the transmission gears rotate to drive a rotating shaft to rotate, a massage head is driven to rotate to massage the body part of the patient, and meanwhile the rotating speed and rotating direction of the double-shaft motor are controlled to massage the body part of the patient. The massage strength and direction of the massage head can be adjusted, so that the individual requirements of the patient are met, and the advantage of high comfort level of the patient is achieved.

The invention discloses a heart failure patient moisture monitoring intelligent wearing system, and relates to the technical field of intelligent wearing systems. The system comprises a sensor, a data acquisition and transmission unit, a personalized suggestion generation unit, a real-time monitoring and feedback unit and a daily information recording unit, wireless communication connection is established between the pressure sensor and the data acquisition and transmission unit, and wireless communication connection is established between the wearable device and the data acquisition and transmission unit; the data acquisition and transmission unit is used for acquiring real-time moisture data monitored by the pressure sensor and the wearable equipment; and the personalized suggestion generation unit is used for generating personalized moisture intake suggestions for the heart failure patient according to the moisture intake condition of the heart failure patient, the physiological characteristics of the heart failure patient and the medical history of the heart failure patient obtained by analysis of the data acquisition and transmission unit. According to the invention, real-time intelligent monitoring and management of the water intake are provided for the heart failure patient.

The medical postoperative walking aid comprises a main frame body, the main frame body comprises a ring protection frame with the main body height located above and below the chest of an adult, the ring protection frame comprises a left blocking face, a front blocking face and a right blocking face which are sequentially connected, the height of the ring protection frame is adjustable, and an infusion support, a hook and a seat plate are arranged on the ring protection frame. And pulleys are arranged at the bottom of the ring protection frame. According to the utility model, an infusion rod, a urine bag, a drainage bag (bottle) and the like can be conveniently and temporarily fixed, so that a patient can have a rest in situ, assist walking and sit to walk, consumption is reduced, the patient is more tolerant and willing to move, meanwhile, the safety of the patient is guaranteed, complications are prevented, and health is promoted; and the back cushion plate provides a backward force applying point, so that backward walking is facilitated, the height can be flexibly adjusted, the structural design is reasonable, and the device is particularly suitable for getting out of bed activities of patients after major surgical operations or old postoperative patients.

The invention discloses a pulmonary nodule real-time positioning method and a pulmonary nodule real-time positioning device based on artificial intelligence multi-modal image fusion technology applied to a sub-pulmonary lobe resection operation, which are applied to the technical field of data processing, a three-dimensional collapsed lung model is generated by acquiring a lung medical image and a three-dimensional model in combination with operation parameters, and features of the three-dimensional collapsed lung model are automatically identified. Endoscope dynamic images are collected in real time in an operation, and the three-dimensional collapse lung model is finely adjusted after image features are extracted, so that the three-dimensional collapse lung model is accurately matched with an actual lung tissue form in the operation. By means of the artificial intelligence multi-mode image fusion technology, the endoscope image and the three-dimensional model are deeply fused, and the lung three-dimensional structure and the accurate pulmonary nodule position under the endoscope view field are presented in real time. By integrating artificial intelligence, computer vision, a collapse algorithm and a multi-modal image fusion technology, a doctor is assisted to clearly identify lung tissue and nodule positions in an operation, the accuracy of the operation is effectively improved, the operation time is shortened, and the operation is safely completed with high quality.

The present invention provides a lumbar intervertebral fusion fixation device, comprising: a vertebral plate, the vertebral plate having two first fastening holes respectively located at both ends and a second fastening hole located in the center, the vertebral plate being fixed to the lumbar vertebral body by inserting a first fastener into the first fastening hole and fastening; and a fusion device, the end of the fusion device connected to the vertebral plate having a connecting hole, the fusion device being fixedly connected to the vertebral plate by inserting a second fastener into the second fastening hole into the connecting hole. The lumbar intervertebral fusion fixation device according to the present invention adopts a fusion and fixation integrated device to fix the fusion device to the vertebral plate, thereby avoiding complications caused by displacement of the fusion device.

The invention discloses a prolapsed pelvic floor suspension reconstruction operation simulation and sagittal plane evaluation method, and belongs to the field of suspension reconstruction operation simulation, operation effect evaluation methods and biomechanical research. A clinical prolapsed female pelvic floor is used as a research object, and computer-aided software and finite element software are used for developing a sagittal plane two-dimensional prolapsed pelvic floor reconstruction operation and an operation mesh simulation model with pathological form and position characteristics. Based on the model, simulation of various suspension reconstruction surgeries can be implemented, and the biomechanical repairing effect of the suspension reconstruction surgeries and the influence of the biomechanical repairing effect on pelvic floor biomechanics are evaluated under the sagittal plane. By means of the method, the effect of a preoperative operation design scheme can be observed and evaluated in a more visual mode, operative complications and the recurrence rate are reduced, and certain reference value is provided for clinical research of the generation mechanism of prolapsed pelvic floor and formulation and improvement of a clinical operation scheme.

The invention relates to the technical field of medical precious metal materials and medical instruments, in particular to a gold surface anticoagulation coating structure and a preparation method and application thereof. According to the method, a micro-nano morphology surface is constructed on the surface of a gold layer through in-situ wet chemical reduction of chloroauric acid, the surface of the micro-nano gold layer is modified through fluoromercaptan, a lubricating agent is injected into the modified micro-nano gold surface, and a lubricating agent injected porous self-lubricating surface (SLIPS) is constructed; the locking capacity of the surface of the nano-gold layer modified by fluoromercaptan to the lubricating layer is remarkably improved, so that the lubricating layer is not prone to loss, and the long-lasting anticoagulation function is achieved. The problems that when a liquid injection surface method is adopted for conducting anticoagulation treatment on the surface of a material, injected lubricating liquid is prone to being exhausted, and the anticoagulation performance durability is poor are solved.

The invention discloses application of lauromacrogol in preparation of a medicine for treating nasal polyp, and belongs to the technical field of medicines. The invention discloses an application of lauromacrogol in preparation of a medicine for treating nasal polyp. When lauromacrogol is used for treating nasal polyp, the nasal polyp can be reduced, and clinical symptoms can be eliminated. According to clinical data statistics, the lauromacrogol is adopted to treat nasal polyp, the cure rate is 89.56%, the improvement rate is 10.44%, and no recurrent symptoms occur. The invention creatively provides a new application of lauromacrogol, and the lauromacrogol is used for preparing the medicine for treating nasal polyp, and is definite in effect, small in adverse reaction and worthy of popularization and application.

The invention discloses a state real-time monitoring method, system and equipment for blood dialysis, and aims to collect physiological parameters such as urea concentration, creatinine concentration, potassium concentration, weight and body fluid quantity of a dialysate in real time through multi-sensor equipment, and perform data analysis and prediction in combination with a machine learning model. Continuous monitoring and abnormal early warning of the state of a dialyzer in the dialysis process are achieved. The system comprises an online blood analyzer, an electronic weighing scale, a biological impedance analyzer and a central intelligent device, and efficient data transmission and processing are realized through a data transmission interface. If it is detected that the physiological parameters exceed the safety threshold value, the system automatically triggers early warning and informs medical staff, so that the safety and effectiveness of treatment are improved.

The invention relates to the technical field of operation channels, and discloses an air inflation type channel device for taking out tumor specimens through the anus after colorectal operation, the air inflation type channel device comprises a main body, the right side of the main body is fixedly connected with a disc, the right side of the disc is fixedly connected with a top column, the side, close to the top column, of the disc is fixedly connected with a plurality of L-shaped plates, and the L-shaped plates are circumferentially arrayed with the top column as the center. Expansion of the outer air bag can pull the arc-shaped plate to rise along with the expansion speed of the outer air bag, when the arc-shaped plate rises, the arc-shaped plate pulls the rotating plate to synchronously rise, at the moment, when the rotating plate rises, the rotating plate can pull the hollow block to relatively move in the sliding groove plate along the sliding groove, and when inflation of the outer air bag is stopped, the hollow block can move in the sliding groove plate along the sliding groove. At the moment, the movable plate is clamped at the right-angle position of the oblique teeth through a third rear spring, so that the compression resisting mechanism cannot return backwards during supporting, the contractility of the sphincter is borne through the supported arc-shaped plate, and deformation caused by local pressure of the outer air bag is avoided.

The present disclosure provides a visual pressure regulating catheter, including: a catheter body (1), and a hydraulic dilation balloon (2) and a pressure regulating handle (3) both of which are disposed on the catheter body (1), an endoscope pressure regulating cavity (5) and a dilation liquid perfusion cavity (6) are formed in the catheter body (1), the dilation liquid perfusion cavity (6) is communicated with the hydraulic dilation balloon (2), and the pressure regulating handle (3) is provided with a perfusion port (301) which is communicated with the dilation fluid perfusion cavity (6) and a pressure regulating port (701) which is communicated with the endoscope pressure regulating cavity (5); an observation channel (4) is opened at a position on the endoscope pressure regulating cavity (5) axially opposite to the hydraulic dilation balloon (2), a camera at a front end of the endoscope sequentially passes through the pressure regulating port (701), the endoscope pressure regulating cavity (5) and the observation channel (4) and extends into the hydraulic dilation balloon (2), and an operating rod at a tail end of the endoscope is slidably and sealingly connected to the pressure regulating port (701).

The invention provides a real-time feedback pulse ablation system. The system comprises a power supply module; the human-computer interaction interface is used for displaying information fed back by the main control module; the high-voltage pulse module outputs a high-voltage pulse signal to the ablation instrument through the switching module; the impedance detection module is used for detecting impedance information of a target position to the ablation instrument through the switching module; the temperature detection module is used for detecting the temperature of the ablation instrument in real time through the switching module; the main control module controls switching of different functional modules; the main control module is used for displaying the data on a human-computer interaction interface; the electrical stimulation module simulates and outputs sine waves, square waves, triangular waves and other signals to the ablation instrument; the signal acquisition module is used for directionally acquiring signals through an electrode at the other end of the ablation instrument; an ablation instrument; according to the real-time feedback pulse ablation system, control over ablation tissue is improved, the ablation process is effectively monitored, and safety and reliability of the operation process are guaranteed.

The present invention discloses a cervical fusion device, which is made of porous tantalum; the structure of the cervical fusion device is a box-type structure; the upper surface of the cervical fusion device is convex, and the lower surface is straight; the cervical fusion device includes a central part and a peripheral wall, the central part is arranged in the middle of the cervical fusion device, and the peripheral wall is arranged around the central part; the peripheral wall is made of porous tantalum with a porosity of 20%-30%; the central part is made of porous tantalum with a porosity of 70%-80%; the central part of the cervical fusion device is provided with vertically retractable barbs. The cervical fusion device provided by the present invention does not require bone grafting, has no bone grafting area, and avoids complications related to bone grafting; it is made of porous tantalum material. Porous tantalum, also known as trabecular metal, has a three-dimensional structure with interconnected pores similar to human cancellous bone, has a high porosity, can promote the exchange of nutrients in the pores, is more conducive to bone ingrowth, promotes bone integration, and increases the fusion rate.

The invention discloses a pneumothorax first-aid device for thoracic surgery nursing. The pneumothorax first-aid device comprises a puncture penetrating connecting piece, a gas exhaust control piece and a built-in water seal pipe fitting. The invention belongs to the field of medical instruments, and particularly relates to a pneumothorax first-aid device for thoracic surgery nursing. Through innovative integration of modular design, an accurate control structure and a safety protection mechanism, the pain points of traditional pneumothorax first-aid equipment in the aspects of operation convenience, exhaust stability, safety protection and the like are solved, the first-aid efficiency is improved, the operation threshold is lowered, the risk of complications is reduced while the safety of a patient is guaranteed, and the safety of the patient is improved. The limitation that traditional pneumothorax first-aid equipment is single in function, complex in operation and insufficient in safety performance is broken through.

A vibrating type interventional therapy instrument is characterized in that a balloon catheter is arranged in a vascular calcification lesion, the balloon catheter is opened to be in close contact with the vascular wall of the vascular calcification lesion, and the insertion front end of the balloon catheter is provided with an interventional guide wire with a plurality of bead-shaped microspheres or is directly inserted into the interventional guide wire; a plurality of bead-shaped microsphere parts arranged on the interventional guide wire or the front end of the interventional guide wire reach the vascular calcification lesion; the rear end of the interventional guide wire is in driving connection with the ultrasonic vibration mechanism, the ultrasonic vibration mechanism generates telescopic vibration and torsional vibration to jointly act on the rear end of the interventional guide wire, and the front end of the interventional guide wire is subjected to axial telescopic and torsional operation through directional vibration with specified frequency and power, so that longitudinal vibration and torsional vibration are generated; therefore, calcified tissues at the focus are thoroughly damaged, the inner diameter of blood vessels at the focus is further enlarged, the operation difficulty of a doctor is reduced, and the success rate of an operation is improved.

The application provides a kind of in vitro destruction of Helicobacter pylori biofilm by organosilicon quaternary ammonium salt, and relates to the technical field of anti-infective drugs and digestive system diseases prevention and treatment.A kind of in vitro destruction of Helicobacter pylori biofilm by organosilicon quaternary ammonium salt, comprising an aqueous solution of octadecyltrimethylsilane organosilicon quaternary ammonium salt OSA as an in vitro biofilm destruction working solution: the OSA molecule is composed of four parts: trimethoxysilane-linking segment, positively charged quaternary ammonium cation functional core, hydrophobic long alkyl and chloride ion counter ion; the working solution is prepared by uniformly mixing 1.5% OSA stock solution and 18.2 MΩ·cm sterile ultrapure water.The triple physical action combined with molecular pathway regulation efficiently destroys Helicobacter pylori biofilm, and the effect is significantly better than that of the standard triple regimen, has no drug resistance risk, has little disturbance to gastrointestinal flora, has a supporting standardized system, and can provide reliable support for Hp in vitro drug sensitivity and drug screening.

The invention relates to the technical field of rice wine, in particular to a preparation method of sweet rice wine with a lipid-lowering effect, which comprises the following steps: (1) washing; (2) preparing a soaking solution; (3) soaking the glutinous rice; (5) mixing with yeast; (6) fermenting; (7) sterilizing; the prepared sweet rice wine is rich in polysaccharides, mineral substances, organic acids, amino acids, B vitamins and other nutritional ingredients, and the amino acids are multiple in variety and high in content and have positive effects on human health. According to the determination of the amino acids in the prepared sweet rice wine, 18 amino acids, 8 essential amino acids, valine with the highest content, 10 non-essential amino acids and glutamic acid with the highest content are detected, so that the prepared sweet rice wine has relatively high nutritional value.