522 results about "Sputum" patented technology

The invention provides an expectoration auxiliary control method and device. The method comprises the steps that audio signals of breathing sounds and cough sounds at multiple positions of the chest of a patient are collected through an audio sensor array, and a standardized audio feature data set is obtained through noise reduction, segmentation and feature extraction; a dynamic weighted graph model is constructed, and a random edge sampling algorithm and a parallel batch processing dynamic algorithm are combined to analyze and obtain a sputum viscosity index and a sputum distribution position map; based on the result, mapping the vibration parameter space into an unweighted disk diagram, and obtaining a personalized vibration treatment scheme by using a shortest path algorithm; in combination with the real-time breathing cycle of the patient, working parameters of the sound wave vibrator and the negative pressure suction device are synchronously controlled, and a coordinated and consistent multi-mode treatment execution instruction is obtained; and collecting real-time feedback data in treatment, and dynamically adjusting working parameters through reinforcement learning to obtain an optimized expectoration adjuvant therapy scheme. Intelligent adjustment can be achieved based on the real-time breathing state and sputum characteristics of the patient, the expectoration efficiency is improved, and discomfort of the patient is reduced.

The invention provides a negative pressure sputum aspirator for helicopter air rescue and a control method of the negative pressure sputum aspirator. The negative pressure sputum aspirator comprises a sputum storage bottle, a sputum suction pipe and a negative pressure suction device. The negative pressure sputum aspirator further comprises a pressure sensor used for monitoring the sputum suction pressure, a pressure adjusting device used for adjusting the sputum suction pressure and a limiting device used for fixing and limiting the insertion difficulty degree of the sputum suction pipe. The signal output end of the airplane bumping detector is connected with the bumping input end of the controller, and the airplane bumping detector is used for transmitting bumping information of the airplane to the controller; in the sputum suction process, when the airplane bumps, the controller controls the pressure regulating device to work according to a pressure signal of the pressure sensor so as to reduce the sputum suction pressure, and mucous membrane injury caused by sudden shaking when the airplane bumps is avoided; the controller controls the limiting device to work according to the bumping degree, the insertion difficulty degree of the sputum suction tube is adjusted, the target tube insertion depth is accurately reached, and the situation that due to sudden shaking, the sputum suction tube is inserted too deep, and a patient is accidentally injured is avoided.

An adjusting device comprises a fixing assembly arranged at the right end of a sputum suction tube and used for being connected with the sputum suction tube, and an adjusting assembly used for controlling the adjusting assembly and a cleaning tube to communicate with the sputum suction tube is arranged in the fixing assembly. A limiting assembly used for limiting the adjusting assembly is arranged in the fixing assembly. Therefore, when medicine adding operation needs to be carried out, medical staff only need to inject medicine into the medicine adding connector, and then the inner core is rotated to enable the medicine adding connector to be communicated with the inner channel of the sputum suction tube. At the moment, the medicine is inhaled into the respiratory tract along with the sputum, so that accurate administration of the medicine is realized; through the double functions of precise dosing and negative pressure suction, the closed sputum suction tube dosing structure can improve the treatment effect; due to the adoption of the closed design, the sputum suction tube dosing structure can effectively avoid the risks of sputum leakage and cross infection.

The invention belongs to the field of medical instruments, and discloses a multifunctional sputum suction device which comprises a sputum suction tube and a visible catheter. The sputum suction tube comprises a tube body and a connector, a suction channel is arranged in the tube body, and the connector is arranged at the near end of the tube body. A distal end of a visual catheter may be attached into the tube from the joint for viewing sputum. According to the visual sputum suction catheter, the sputum suction catheter is matched with the visual catheter, visualization can be provided on the basis that traditional sputum suction operation and instruments are not broken, the structure is simple, the manufacturing difficulty is low, the cost is low, the sputum position can be clearly observed and accurately reached, the sputum suction catheter is delivered to the deep position of an airway through visualization, and the visual sputum suction catheter is convenient to use. The sputum suction efficiency is improved; and meanwhile, the injury of airway mucosa is avoided.

The invention relates to the technical field of medical care, and discloses an intelligent oral sputum suction system based on multi-parameter feedback and a self-adaptive pressure adjusting method.The method comprises the steps that in a pipeline cleaning state, a standard load lookup table of working parameters of a negative pressure pump and pipeline negative pressure is established; in the sputum suction operation process, a first measurement value of the negative pressure of the pipeline and a second measurement value of the working parameters of the negative pressure pump are obtained in real time; according to the first measurement value, determining a corresponding negative pressure pump working parameter from the standard load lookup table as a standard working parameter, and when the second measurement value is higher than the standard working parameter, determining a compensation amount for correcting the first measurement value based on a difference value between the second measurement value and the standard working parameter, compensating the first measurement value according to the compensation amount to obtain a calibration negative pressure value; and if the calibrated negative pressure value exceeds the preset safety negative pressure upper limit, the working parameters of the negative pressure pump are adjusted to reduce the actual negative pressure. The problem of damage caused by inaccurate reading of the sensor in the prior art is effectively solved.

The present application relates to the technical field of medical devices, and discloses a flexible sputum scab remover for pneumology department, which comprises an outer rod, the end of the outer rod is provided with a sputum suction head, the sputum suction head and the inner part of the outer rod are provided with a flow guide pipe, the inner part of the outer motor stator fixedly connected with the outer rod is rotatably connected with an inner rotor sleeve ring, the inner part of the inner rotor sleeve ring is threadedly connected with a threaded sleeve rod, and the end of the threaded sleeve rod is movably connected with an extension rod; the rotating ring is driven to rotate by the annular motor, the flexible brush rod is driven to rotate by the rotating ring, the flexible brush rod is used for cleaning the respiratory tract by high-speed rotation, the flexible brush rod is used for scraping, the damage degree of the respiratory tract is low due to the elastic colloid material of the flexible brush rod, the contact efficiency with sputum scab is improved by high-speed rotation, the flexible brush rod is used for cleaning, the cleaning efficiency and the cleaning effect of the device are effectively ensured, the damage of the flexible brush rod to the respiratory tract is reduced, and the cleaning safety of the flexible brush rod is improved.

The invention particularly discloses an intelligent monitoring type integrated negative pressure sputum suction device and a working method thereof. According to the device, a plurality of functional systems are integrated in the main body framework, so that the occupied space is effectively reduced. The core innovation point is that the intelligent monitoring and risk assessment system is integrated with various sensors and can monitor a plurality of key parameter indexes in real time, during working, first-level risks are judged by detecting basic parameters such as blood oxygen and heart rate, then second-level risks are determined by monitoring parameters such as airway pressure, and so on until the risk level is accurately judged; and a coping strategy is formulated accordingly. Meanwhile, the main control system intelligently manages operation of all the modules, it is ensured that the risk assessment and decision module and the basic sign monitoring module are normally opened, and other modules are started according to judgment logic, so that the operation cost is saved, repeated abnormal judgment is avoided, the sputum suction operation process is optimized, the safety, effectiveness and intelligent level of the sputum suction process are improved, and the sputum suction efficiency is improved. And more reliable support is provided for clinical treatment.

The invention relates to the technical field of sputum suction devices, and discloses a novel respiratory department nursing sputum suction device which comprises a collecting bottle, a filter plate arranged in an inner cavity of the collecting bottle, a sealing cover in threaded connection to the top of the collecting bottle, and a negative pressure hose and an adsorption hose which are fixedly connected to the inner surfaces of the two sides of the sealing cover respectively. The outer end surface of the sealing cover penetrates to the bottom of the filter plate; the anti-blocking mechanism comprises a suction assembly used for forming negative pressure in the negative pressure hose and sucking sputum through the adsorption hose, a cleaning assembly capable of automatically cleaning the filter plate when the bottom of the filter plate is blocked by the sputum, and a dismounting assembly capable of conveniently dismounting and maintaining the filter plate. The sputum suction device has the beneficial effects that by arranging the anti-blocking mechanism, sputum can be prevented from entering the negative pressure hose through the filter plate in the sputum suction process, the sputum at the bottom of the filter plate can be automatically swept off when the filter plate is blocked, the disassembly and assembly process of the filter plate can be greatly simplified, and the operation burden of medical staff is reduced when the filter plate needs to be deeply maintained.

The invention relates to the technical field of medical equipment, in particular to a sputum treatment device and method, a storage medium and a program product, the device comprises a sputum positioning device, a sputum excretion device and a control assembly, and the sputum positioning device comprises a target sensor assembly and projection equipment; the sputum excretion device comprises a sputum excretion pipe and an energy converter. The control assembly is used for receiving the sound wave data collected by the target sensor assembly in the sputum positioning device, calculating the target sputum position of the lung of the patient, controlling the projection equipment to project to the corresponding body surface position of the patient according to the target sputum position, and controlling the sputum excretion device to reach the target sputum position according to the target sputum position. Therefore, the problems that in the prior art, due to the fact that the sputum position is repeatedly positioned through a stethoscope, the positioning precision is poor, the working efficiency is low, and due to inaccurate positioning in follow-up sputum excretion, a patient is strongly stimulated or injured are solved.

The present invention discloses a sputum suction assembly, a sputum suction tube and a sputum suction mirror, belonging to the technical field of endoscopes. The sputum suction assembly includes a tube body and a handle housing, and the tube body is disposed at the installation passage inside the handle housing; a middle tube section of the tube body is bent to form an adjustment tube section, and a part of the adjustment tube section extends out of the handle housing from a first opening formed on the side wall of the handle housing. The adjustment tube section has a pressing part, and the pressing part is located outside the handle housing; an air hole communicating with the external environment is provided on the tube wall of the adjustment tube section. The sputum suction assembly further includes a matching part located on the tube body or the handle housing. The arrangement direction of the air hole and the pressing part is a first direction. By pressing the pressing part along the first direction, the adjustment tube section can be pushed to deform so that the air hole fits with the matching part, and the matching part cuts off the communication relationship between the air hole and the external environment. The sputum suction assembly provided by this application can prevent medical waste liquids such as sputum from flowing out through the air hole, and avoid the possibility of cross-infection.

The invention discloses an insertion tube and a sputum aspirator, and relates to the field of medical instruments.The insertion tube is internally provided with a suction channel and a flow channel, the suction channel and the flow channel are distributed in the axial direction of the insertion tube, and the suction channel and the flow channel communicate with each other on the far-end side of the insertion tube; a first communicating hole communicating with the suction channel and a second communicating hole communicating with the flow channel are formed in the near end side of the insertion tube. The insertion tube can be connected with a negative pressure source so that negative pressure can be formed in the suction channel. By arranging the second communicating hole, the medical staff can accurately adjust the pressure distribution in the suction channel, the sputum removal efficiency is improved, and the discomfort of a patient is reduced. As air enters the flow channel through the second communication hole, local pressure at the far end of the suction channel is relatively increased, and the pressure difference before and after the sputum embolism is reduced. And when the sputum plug is loosened or sucked out, the internal pressure of the suction channel is transitionally stable, so that the sudden negative pressure gradient generated in the cavity due to the instant release of the negative pressure is avoided.

The invention relates to the technical field of child nursing, in particular to a sputum aspirator for child nursing and a sputum aspiration method thereof.The sputum aspirator comprises an air suction device and a basic negative pressure bottle, the basic negative pressure bottle is arranged on the air suction device and connected with the air suction device through an air suction pipe, a sputum aspiration pipe is arranged on the basic negative pressure bottle, and the sputum aspiration pipe is connected with the basic negative pressure bottle. The sputum suction pipe is provided with an opening supporting mechanism capable of opening the mouth of a child and forming supporting. Through the combined action of the rotating assembly, the opening supporting mechanism and the sputum suction pipe, when the rotating assembly drives the sputum suction pipe to slide out of the throat and the trachea of a child, an external thread winding column is pulled to rotate through a connecting pull rope; the connecting pipe sleeve and the sputum suction pipe attached to the inner side of the connecting pipe sleeve are driven to rotate synchronously through the linkage effect of the linkage gear set, the sputum suction pipe is kept in a spinning state when penetrating through the opening supporting mechanism to slide outwards, the defect caused when a worker manually operates a pipeline to rotate is overcome, and the sputum suction process is better completed.

The invention discloses a sputum suction assembly, a sputum suction tube and a sputum suction mirror, and belongs to the technical field of endoscopes. The sputum suction assembly comprises a tube body and a handle shell, and the tube body is arranged at a mounting channel in the handle shell in a penetrating manner; the middle pipe section of the pipe body is bent to form an adjusting pipe section, part of the adjusting pipe section extends out of the handle shell from a first opening formed in the side wall of the handle shell, and the adjusting pipe section is provided with a pressing part which is located outside the handle shell; a large air hole communicated with the external environment is formed in the tube wall of the adjusting tube section, the sputum suction assembly further comprises a matching part, the matching part is located in the tube body or the handle shell, the arrangement direction of the large air hole and the pressing part is the first direction, and the adjusting tube section can be pushed to deform so that the large air hole can be attached to the matching part by pressing the pressing part in the first direction. And the matching part is used for isolating the communication relation between the large air hole and the external environment. The sputum suction assembly can prevent sputum and other medical waste liquid from flowing out of the large air hole, and the possibility of cross infection is avoided.

The invention discloses a high-frequency full-chest oscillation sputum excretion method and system based on clinical data self-adaptive regulation and control, and the method comprises the steps: building an individualized propagation model of thorax and lung tissues through collecting individualized clinical data of a patient and chest multipoint acoustic and mechanical short-range response; the current body position of a patient is input into the model, a chest drainage path is obtained, oscillation control parameters are generated under the constraint of the path, and the oscillation control parameters are used for driving equipment to synthesize pressure traveling waves which are directionally propagated in multiple areas of the chest wall. In the execution process, safety gating control is conducted in combination with electrocardio and breathing phases, meanwhile, aerosol echoes and high-frequency impedance disturbance are collected to serve as feedback signals, and feedback data are formed after the feedback signals are aligned with an execution time sequence and used for dynamically updating the individualized propagation model and oscillation control parameters. According to the invention, accurate regulation and control can be carried out according to individual differences and real-time physiological statuses of different patients, the sputum drainage effect is effectively enhanced, the safety and comfort of treatment are improved, and the clinical application value is high.

The utility model provides a sputum suction negative pressure drainage device which comprises a negative pressure gauge valve, a negative pressure bottle, a liquid collection bag, a first hose and a second hose, and the negative pressure gauge valve is installed on the negative pressure bottle. And the negative pressure bottle is communicated with the liquid collecting bag through a first hose. One end of the second hose is connected with the liquid collecting bag, and the other end is used for patient sputum suction. And a storage device for storing the second hose is arranged on one side of the negative pressure bottle. The storage device comprises a test tube, a hose clamp and a fixing plate, and the fixing plate is arranged on the outer side of the negative pressure bottle. And the hose clamp is clamped on the fixing plate and is used for winding and fixing an overlong second hose. The test tube is arranged on the side, away from the fixing plate, of the hose clamp and used for inserting a port of the second hose. The hose clamp is used for winding the second hose, and the test tube is used for fixing the port of the second hose, so that the problem that the hose is inconvenient to store after a patient sucks sputum and uses the hose is solved. Meanwhile, the test tube can be disinfected and cleaned by detaching the hose clamp from the fixing plate.

The invention relates to the technical field of medical instruments, and discloses a sputum metering collector which comprises a collecting tank, a sputum suction pipe is connected to the right half portion of the upper surface of the collecting tank, a connecting assembly is connected to the left half portion of the upper surface of the collecting tank, an air guide assembly is connected to the other end of the connecting assembly, and a negative pressure pump assembly is connected to the right end of the air guide assembly. A cannula assembly is fixedly installed at the left end of the air guide assembly, a sealing assembly is arranged at the other end of the cannula assembly, a breathing cannula is fixedly installed at the top of the sealing assembly, and a monitoring assembly is clamped on the surface of the breathing cannula. The piston plate moves leftwards and pulls the sputum suction tube to move leftwards, so that the conical head extends into the air passage; when the piston plate moves to the left end of the piston cylinder, the push rod pushes the communicating piece to the right end of the mounting hole, and the left cavity communicates with the right cavity, so that the sputum suction port sucks sputum in the air passage, and the sputum is sucked into the collecting tank; therefore, the purpose of automatically sucking sputum is achieved.

The invention belongs to the technical field of respiratory therapy equipment control, and discloses a multi-band airway vibration sputum excretion adaptive optimization system, which obtains acoustic impedance distribution data of each micro-section of the inner wall of the airway of a patient through an acoustic impedance imaging technology, accurately recognizes an abnormal region of a tissue interface, and improves the accuracy of sputum excretion. And calculating a reflection enhancement coefficient and a transmission attenuation coefficient of the vibration wave in the areas. And based on the multi-path interference model and the sputum excretion demand priority matrix, a multi-band vibration wave composite field with phase modulation characteristics is generated, and effective compensation of the energy transfer efficiency of the abnormal region of the tissue interface is realized. A closed-loop feedback control system is formed by monitoring spectrum characteristics of pressure pulsation signals in an airway in real time, identifying characteristic harmonic peaks and dynamically adjusting vibration wave parameters according to the characteristic harmonic peaks. The sputum excretion parameters can be optimized in real time according to individual differences of patients and sputum characteristics, the sputum excretion efficiency is remarkably improved, and discomfort of the patients is relieved.

The invention relates to the technical field of medical instruments, in particular to a tracheal intubation through tracheostomy, which comprises a catheter and a respiration assisting mechanism, a sliding tube is in vertical sliding fit with the inner wall of the lower end of the catheter, the lower end of the sliding tube is wedge-shaped, and air holes are formed in the side wall of the lower end of the sliding tube; an air bag fixedly sleeves the outer wall of the catheter; the guide pipe is slidably sleeved with a chassis, the top of the chassis is fixedly connected with an elastic clamping sleeve, and buffering grooves are symmetrically formed in the two sides of the clamping sleeve. The airbag is positioned below the chassis; the top end of the catheter is fixedly connected with a connector for connecting a respiration assisting mechanism; the catheter is internally provided with an inner drainage assembly used for cleaning sputum attached to the inner wall of the catheter and an outer drainage assembly used for cleaning sputum attached to the outer wall of the catheter. A driving assembly used for driving the sliding pipe to vertically slide in the guide pipe is arranged in the guide pipe. The tracheostomy tube is complete in structure, and the respiratory tract smoothness of a tracheostomy patient or the respiratory support effect of the tracheostomy patient in operative anesthesia can be effectively improved.

According to the mode switching method, the controller, the airway clearance equipment, the storage medium and the program product provided by the embodiment of the invention, the oscillation airflow under different oscillation frequencies is output after operation is performed for the preset duration in the airway oscillation mode or the mechanical inhalation and exhalation mode, and the oscillation airflow under different oscillation frequencies is output for any oscillation frequency. The method comprises the following steps: acquiring response information of a user to oscillation airflow at oscillation frequencies, determining an impedance parameter of the user according to the response information at each oscillation frequency, determining an operation mode at the next moment according to the impedance parameter, and executing the operation mode, according to the method, the response information of the user under the oscillation airflow is obtained to determine the impedance parameter representing the blocking condition of the respiratory system of the user, so that the adopted airway clearance mode is automatically adjusted according to the real-time breathing state of the user, and the sputum discharge effect is improved.

The utility model relates to the technical field of medical instruments, and discloses an efficient atomization device with a sputum excretion function, which comprises a sputum excretion device body, an oscillation chamber and a connector, the oscillation chamber is arranged in the sputum excretion device body, the oscillation chamber comprises a first end and a second end, an oscillation bead is movably arranged in the oscillation chamber, and the connector is connected with the first end and the second end of the oscillation chamber. The first end and the second end are respectively provided with an air vent which can be sealed with the oscillating bead, the connector is connected with the sputum excretion device body, an extension part is arranged below the connector, and the extension part is provided with a connecting interface which is used for being connected with an atomizer; the utility model effectively solves the problems that the operation complexity of a patient is increased, the treatment complexity and cost are increased, and atomized medicine is not uniformly distributed at each position of the lung when being directly conveyed into the oral cavity of the patient through a pipeline, so that the treatment effect is poor, and the like when the patient needs to be treated step by step and is equipped with various devices for use when the patient is subjected to sputum excretion treatment. The atomized medicine is difficult to effectively reach the deep layer of the lung.

The invention belongs to the technical field of medical instruments, and discloses an oxygen-adding atomization inhaler for treating interstitial lung disease, which comprises a respirator assembly, an oxygen bottle, a liquid medicine box, a waste liquid collecting box, an atomization pump, a negative pressure suction pump and a monitoring mechanism, the respirator assembly is connected with the oxygen bottle; the liquid medicine box is communicated with the oxygen bottle; a medicine mist supply pipe is arranged on the respirator assembly; the respirator assembly is slidably provided with a buccal device; an atomizing pump is arranged on the liquid medicine box; the atomizing pump is connected with the medicine mist supply pipe and the mouth holding device; a negative pressure suction pump is arranged on the waste liquid collecting box; the respirator assembly is provided with a sputum suction hose; and a monitoring mechanism is fixedly arranged on the liquid medicine box. According to the device, the mouth holding device or the medicine mist supply pipe can be selected for oxygen adding atomization inhalation treatment, abnormal conditions of a patient can be found in time, data of a plurality of monitoring indexes are integrated for fusion and analysis, potential risks are found in time, and when it is monitored that the patient has dyspnea, medicine feeding is automatically stopped, oxygen conveying is started, and sputum can be cleared in time.

The utility model discloses an anti-infection sputum swab double-sample collecting device. The collection device comprises an anti-pollution sputum collector, a double-sample collection tube and a collection tube cover, the anti-pollution sputum collector comprises a collector tube body, and a silica gel ring is arranged at an end opening of the upper end of the collector tube body. The double-sample collecting tube is a double-cavity collecting tube and comprises a sputum cavity and a swab cavity which are separated by a partition plate; the collector tube body is connected with the sputum cavity in a clamping manner; the silica gel ring can be attached to the periphery of the mouth of the human body to form sealing. The double-sample collection device disclosed by the utility model is suitable for simultaneously collecting two sample types, namely sputum and swab, in hospitals, communities or personal sites, a plurality of parts are matched differently to realize simultaneous collection of the two samples, and repeated uncovering and one-time covering are not needed, so that aerosol pollution and personnel infection are avoided; in addition, the cotton fracture is designed at the inlet of the swab cavity, so that the infection risk caused by manual sample touching and sample splashing is reduced.

The utility model discloses a perspective sputum suction tube which comprises a sputum suction main tube, an umbrella-shaped suction head is arranged at the end of the sputum suction main tube, a through groove is formed in the umbrella-shaped suction head, a pinhole camera is installed at the end of the umbrella-shaped suction head, and a plurality of sputum suction holes are formed in the side, close to the umbrella-shaped suction head, of the sputum suction main tube at equal intervals. The end tail of the sputum suction main pipe is communicated with a connecting pipe, the connecting pipe is communicated with a connector, the connector is communicated with one end of a through pipe, the other end of the through pipe is communicated with a connecting port, the connecting port is communicated with an aspirator, and the side, close to the connecting pipe, of the sputum suction main pipe is communicated with an injection pipe. The umbrella-shaped suction head similar to an umbrella is installed at the end of the visual sputum suction tube, the pinhole camera is installed in the umbrella-shaped suction head, the pinhole camera can be slightly exposed out of the end of the umbrella-shaped suction head, the pinhole camera can be connected to a computer, the inside interface can be watched in real time through a wireless mobile phone APP, watching is convenient, and the cost is low.

The utility model discloses a protective bib used after tracheostomy. The protective bib used after tracheostomy comprises a bib body, a scarf and a pocket, wherein the scarf and the pocket are connected with the bib body. A through hole for avoiding the trachea cannula is formed in the neckerchief; the pocket is provided with an opening; the bib bag is connected with the bib body through the rotary connecting device, so that an opening of the bib bag faces upwards. According to the tracheal cannula, the scarf can be fixed to the neck of the patient, the through hole in the scarf corresponds to the tracheal incision of the patient in position, interference between the scarf and the tracheal cannula is avoided, and the scarf can prevent sputum from infiltrating the skin and the tracheal cutting dressing. The bib body is located on the chest and the abdomen of a patient, liquid such as sputum and medicine is prevented from wetting or polluting clothes, the liquid flows into the bib bag along the surface of the bib body under the action of self weight to be collected, and environment pollution is avoided. When the patient moves or changes in the lying position, the pocket is rotated and the position of the pocket is adjusted, so that the opening of the pocket faces upwards, and the situation that the opening of the pocket faces downwards or the pocket inclines to spill liquid in the pocket is avoided.

The utility model discloses a breathing pipeline device capable of adjusting and releasing airway pressure, which comprises a breathing sputum excretion device body, a fourth connector, an air valve main body, an adjusting assembly and a sputum excretion assembly, and the air valve main body is used for blocking or opening an airflow channel in the fourth connector; the sputum excretion assembly is used for providing an upward opening moving stroke for the air valve assembly, one end of the sputum excretion assembly is installed on the breathing sputum excretion device body, and the other end of the sputum excretion assembly is installed on the top of the air valve body. The adjusting assembly is arranged on the periphery of the breathing sputum excretion device body and the periphery of the sputum excretion assembly in a sleeving mode. The distance between the breathing sputum excretion device body and the sputum excretion assembly is adjusted through the adjusting assembly, and then the pressing force of the sputum excretion assembly for pressing the air valve assembly is adjusted; therefore, the breathing intensity of the patient during breathing training can be adjusted, and the device is suitable for breathing rehabilitation training of various moderate and mild patients in the lung department and contributes to expectoration of sputum.

The utility model relates to an oscillating positive expiration pressure sputum excretion device which comprises a holding shell, a working cavity is formed in the holding shell, an air channel is fixedly installed above the holding shell, a blocking piece is fixedly installed in the air channel, an air inlet is formed in the position, corresponding to the front portion of the blocking piece, of the upper end face of the holding shell, and an air inlet pipe is fixedly installed below the air inlet. An air nozzle is fixedly installed on one side of the tail end of the air inlet pipe, an oscillation box is arranged at the top end of the air nozzle, and an oscillation piece is rotatably installed in the oscillation box. Through the design that the oscillation box is arranged in the working cavity and the oscillation piece is installed in the oscillation box, compared with a traditional oscillation structure with a single-ball blocking structure, the oscillation piece and a cavity separated, the oscillation structure is more stable; the second air outlet for adjusting the air pressure through the adjusting knob is matched with the design of the transparent air flow indicating tube, multi-gear adjustment and visualization of the air pressure are achieved, the water content in exhaled air is effectively reduced through the design that the water vapor filtering cotton is arranged in the blocking cavity, and the service life of the product is prolonged.

The invention belongs to the technical field of medical instruments, and particularly relates to a postoperative sputum excretion nursing auxiliary machine which comprises a shell, a pump body is fixedly connected to the interior of the shell, the output end of the pump body is fixedly connected with a discharge pipe in a communicating mode, the discharge pipe penetrates through the exterior of the shell, and the input end of the pump body is provided with a rotating ring in a communicating mode; according to the postoperative sputum excretion nursing auxiliary machine, by arranging the rubber scraping plate, the rubber scraping plate is controlled to be continuously attached to the inner wall of the suction pipe during use, along with rotation of the bearing frame, the rubber scraping plate is continuously attached to the inner wall of the suction pipe to rotate, sputum attached to the inner wall of the suction pipe is scraped, and the sputum is driven to flow and be discharged through the discharging pipe; in the process, the suction pipe located outside the shell can be deformed and bent, the rubber scraping plate in the suction pipe is bent synchronously, interference is avoided, in the whole sputum excretion process, the suction pipe is prevented from being blocked, the probability that medical workers stop sputum excretion due to blockage dredging is reduced, and then the sputum excretion efficiency is improved.

The invention discloses a primer composition for detecting drug resistance of mycobacterium tuberculosis, a related product and application, and belongs to the field of pathogen detection. The primer composition comprises a primer pair aiming at an rpoB gene, a primer pair aiming at a katG gene, a primer pair aiming at an inhA gene, a primer pair aiming at an ahpC gene, a primer pair aiming at a gyrA gene and a primer pair aiming at a gyrB gene. According to the invention, mutation of mycobacterium tuberculosis complex and rifampicin, isoniazide and quinolone drug resistance related genes rpoB, katG, inhA, ahpC, gyrA and gyrB genes in sputum of a tuberculosis patient can be detected at one time, single-tube multiple high-sensitivity detection is realized, wild genes and mutant genes are accurately distinguished, and serious cross reaction is avoided.

The application discloses a proximal end joint of a sputum suction tube, the sputum suction tube and a sputum suction mirror. The proximal end joint (10) is provided with a ventilation hole (30) in communication with the atmosphere, and the proximal end joint (10) is connected with an extension piece (20) outside the ventilation hole (30). The extension piece (20) extends from the ventilation hole (30) along the length direction of the proximal end joint (10), and the extension piece (20) and the outer wall of the proximal end joint (10) form an atmosphere channel in communication with the ventilation hole (30) and the atmosphere. The atmosphere channel is provided with an atmosphere communication port (50) at the extension end of the extension piece (20). The proximal end joint of the sputum suction tube can be used in common sputum suction tubes and sputum suction mirrors, and can not only avoid the contamination of fingers of medical staff during the suction of sputum and the cross infection, but also has low cost and is suitable for popularization and use.