84 results about "Respiratory difficulty" patented technology

The invention provides brand-new greenhouse soilless culture-fog culture technology, which is mainly soilless culture technology for utilizing an atomizing device to atomize a nutrient fluid into fog drops and directly spraying the fog drops on root systems of crops to provide the moisture and the nutrient needed by the growth of the crops. The crops are suspended in an airtight culture device (tank, box, barrel, pipeline, bed or triangular tower), the root systems are bared inside the culture device, and the nutrient fluid is atomized by the atomizing device and then is directly sprayed on the surfaces of the root systems. The invention provides a proposal which most effectively solves the water-gas contradiction of the root systems in all soilless culture technology at present (the technology can ensure that pores of the root systems, stems and leaves of the crops are easy to absorb the moisture and the nutrient needed by the growth, avoid the respiratory difficulty of the root systems in soil culture and water culture, furthest satisfy the water, fertilizer, air, temperature, and light needed by the growth of the crops, can make the crops quickly grow, and improve the yield by several times to tens of times; the technology also has no problems of the change of the pH value and the deterioration of the nutrient fluid during the production; the technology is easy for automation control and stereoscopic culture, and improves the utilization rate of greenhouse space; and the fog culture isolates the soil, minimizes the probability of plant diseases and insect pests, is easier to achieve pesticide-free culture, and realizes real nuisanceless crop production).

This invention relates to an herbal composition for the treatment and remedy of bronchial respiratory difficulties, more particularly this invention describes the process of separation, physicochemical characterization and biological response evaluation of active components obtained from extracts of any plant parts including leaves, barks, roots and seeds of plants M. koenigii and P. betle in order to establish their role on the treatment and remedy of bronchial respiratory troubles.

A system (A) for providing single continuous dose of a gaseous heliox mixture to a patient with breathing difficulty includes a device (1) providing a constant and continuous flow of the heliox mixture, and a gas storage tank (2) for the mixture. A flow control is selectively operated to initiate flow of the heliox to the patient. It has a locking mechanism to prevent it from being turned off after the flow begins. The regulator can be reset for reuse by a service entity.

A nasal inhaler band comprising a strip of air-permeable material to be worn under the nose, whereby such strip holds a vapor-releasing material which releases vapors to a user's nasal openings. Such nasal inhaler band can be worn quasi-permanently by patients, to relieve symptoms of restricted nasal patency or symptoms of air hunger (dyspnea).

A method of treatment and / or prophylaxis of a mammal for at least the symptoms of treating asthma, chronic obstructive pulmonary disease and / or other respiratory difficulties which comprises or includes administering or having self administered to such mammal an effective amount of either (a) cetyl myristate, or (b) cetyl myristate and cetyl palmitate.

The present invention provides methods for exercise training to improve exercise performance in an individual using low-resistance positive airway pressure and specialized gas mixtures during or immediately after exercise. The methods include wearing an interface, i.e. mask, connected by a tubing circuit to a positive airway pressure (PAP) assist ventilator device. The PAP device is connected to flexible tubing connected through a pressure regulator to a liquid gas source which supplies the gas mixture. Optionally, a gas impermeable bag or vessel is connected to both the PAP device and the liquid gas source to receive, store and condition gas(ses) that is delivered to the PAP device from the liquid gas source. The methods also include simulating high altitude exercise training by using the PAP device with a hypoxic level of oxygen in the gas mixture. The methods of the present invention reallocate oxygen between muscle groups, improve oxygen delivery to muscles, improve oxygen utilization by muscles reduce fatigue, lessen episodes of dyspnea, improve conditioning levels and overall improve training to extreme levels of performance.

The present invention relates to a method for differentiating in a subject suffering from acute shortness of breath (dyspnea) between (i) a pulmonary disease, (ii) a cardiovascular complication, (iii) a cardiovascular complication accompanied by a pulmonary disease or (iv) acute dyspnea without cardiovascular or pulmonary causes comprising the steps of determining the amount of pulmonary surfactant protein B (SP-B) in a sample of a subject, determining the amount of a natriuretic peptide in a sample of said subject, and differentiating between (i) a pulmonary disease, (ii) a cardiovascular complication, (iii) a cardiovascular complication accompanied by a pulmonary disease or (iv) acute dyspnea without cardiovascular or pulmonary causes by comparing the determined amounts with reference amounts. Moreover, the present invention relates to a device and a kit for carrying out said method.

The invention provides a respiratory protection device. The device comprises an outer shell part, a sound amplifying element, a filter part, a main body, a base and a mask. A ventilation opening is formed in the end of the main body, the filter part and the outer shell part are arranged on the end of the main body, a preset spacing distance is arranged between the outer shell part and the main body, the filter part is arranged between the outer shell part and the main body, a ventilation gap is spaced between the filter part and the outer shell part, the main body is arranged on one side of the base, a cavity with an air outlet is formed between the main body and the base, the mask is arranged on the other side of the base, and the sound amplifying element is arranged in the respiratory protection device and used for amplifying the received sound. According to the respiratory protection device, the ventilation gap is formed between the outer shell part and the filter part, the filter part can be protected, the air inlet efficiency is improved, the condition of expiratory dyspnea or depressing is avoided to a certain degree, the sound amplifying element can amplify the sound sent out by a user, and the user can communicate with other persons normally when wearing the respiratory protection device.

The invention relates to the field of medical instruments, in particular to a medical care bed capable of causing a patient to easily lie prostrate and excrete sputum. The medical care bed comprises abedside rack, a bed tail rack, a lower bed component, an upper bed cover, an overturning mechanism and an electronic control disk, wherein the lower bed component consists of a lower bed frame and alower bed plate; the lower bed frame is installed between the bedside rack and the bed tail rack through transmission shafts on a front end and a rear end; the overturning mechanism on the bed tail rack can cause the lower bed frame to overturn to a side surface at any angle; the upper bed cover consists of a frame and a concave soft cushion which is placed in the frame and is suitable for the body shape of the patient; the soft cushion is manufactured according to an empty hole of a human body shape; the face position of the soft cushion is designed into a hollow circular ring shape; the middle position of the soft cushion is provided with a urine conveying pipeline through hole; and the soft cushion is buckled on the human body to avoid that the artery of the patient is pressed and the patient breathes with difficulty in an overturning process. Since the bed adopts a worm gear and worm transmission mechanism, the bed can stably operate, and exhibits self-locking properties. The bed saves manpower, and the problem that a long-term bedridden patient can not turn over and can not excrete sputum can be solved.

The invention discloses a method for establishing an acute lung injury animal model, and relates to the technical field of bioengineering. The method for establishing the acute lung injury animal model comprises the following steps: anesthetizing and fixing an experimental animal; inducing acute lung injury of the experimental animal by combining hydrochloric acid with mechanical ventilation; andevaluating the degree of acute lung injury. According to the method, acute pathological injury of the lung of the experimental animal is induced by combining hydrochloric acid with mechanical ventilation, the animal model of acute lung injury can be constructed, and the animal model shows typical characteristics of acute lung injury, such as dyspnea, lung tissue edema and lung tissue fibrosis. Themodel can be used for basic research in the related field of acute lung injury, and lays an experimental animal foundation for exploring the pathogenesis of acute lung injury.

The invention provides a medicine for treating asthma. The medicine is prepared by the following Chinese traditional medicine materials: Thallus Laminariae, powdered shell of clam, Radix Scutellariae, Quercus canariesis, Radix Stemonae, Semen Armeniacae Amarum, Semen Persicae, Radix Platycodi, Inula britannica L. Var. Chinensis, Semen Gingko, Rhizoma Pinelliae, Radix Bupleuri, Gypsum Fibrosum, Folium Nelumbinis, Radix Glycyrrhizae, Fructus Schisandrae, Rhizoma Atractylodis Macrocephalae, Herba Reineckeae Carneae, Psilopeganum sinnense Hemsl, Pericarpium Citri Reticulatae, Radix Codonopsis and Lumbricus. The Chinese herbal prescription has good clinical effect on the asthma patient in each stage; the medicine shows good treatment effect even in the initial medication period; the symptoms such as shortness of breath, cough, expectoration of much phlegm and difficult breath are relieved; the pain of the patient is reduced. The medicine has remarkable active effects of no side effects, quickly improving the symptoms of the patient, evident curative effect, uneasy recurrence and low cost for treatment; therefore the invention has good social and economic benefits in promotion and application.

The invention provides a mask capable of being equipped with liquid to filter dust particles. The mask is at least composed of a mask body, an attached air channel structure and a hydrophilic foamingbody. The mask body can be elastically deformed to be attached to the face of a wearer, and breathing airflow generated when the wearer inhales enters an air chamber in the mask only through the attached air channel structure. With the hydrophilic foaming body, absorbed liquid can adsorb dust particles in the breathing airflow so as to filter the dust particles in the breathing airflow and clean the breathing airflow, and a clean breathing environment is provided for a wearer so as to protect the health of the wearer. Besides, the breathing airflow can travel on the attached air passage structure under the condition that the attached air passage structure is hardly subjected to resistance through the breathable passage penetrating through the hydrophilic foaming body, so that the wearer can breathe smoothly, the discomfort is reduced, and the problem that the wearer is difficult to breathe due to the use of a known high-density mask is solved.

A polyurethane adhesive composition having a long pot life that does not cause its user to experience breathing difficulty is described. In one embodiment, the adhesive is prepared from a mixture of a high molecular weight component, an isocyanate, and a proton donor.

This invention relates to an herbal composition for the treatment and remedy of bronchial respiratory difficulties, more particularly this invention describes the process of separation, physicochemical characterization and biological response evaluation of active components obtained from extracts of any plant parts including leaves, barks, roots and seeds of plants M. koenigii and P. betle in order to establish their role on the treatment and remedy of bronchial respiratory troubles.

The artificial pulmonary surfactant composition according to the present invention comprises a lipid mixture system containing no protein or peptide or a protein / peptide-lipid mixture prepared by adding a protein or a peptide to the above lipid mixture system. The artificial pulmonary surfactant composition of this invention is useful for RDS and ARDS as well as for the mitigation or prevention of respiratory insufficiencies caused by pneumonia, respiratory difficulties caused by asthma, etc. and it can be prepared at lower costs.

The invention provides a method for establishment of an acute lung injury model of tree shrews and application of the model. After the tree shrews are narcotized, 180-200 mg / kg of a lipopolysaccharidesolution is intratracheally administrated, and when the lung injury area of the tree shrews reaches a half or more, the acute lung injury animal model of the tree shrews is established. Through the establishment method, lung injury of the tree shrews can reach a half or more after 70 hours; in 96 to 120 hours, the tree shrews clinically show the symptoms of wasting, breathing difficulties and thelike, the lung injury area of the tree shrews is 70% or more, and the blood oxygen index can reach 200 mmHg or below. The modeling method is efficient and high in success rate, and the cost can be effectively saved; the model cycle is 70 hours or more, and the research cycle space for acute lung injury is significantly widened; and the established tree shrew animal model is incapable of self-healing and reversible recovery, the clinical symptoms are more similar to human diseases, and good prospects of industrialization are achieved.

The present invention relates to a method for differentiating in a patient who suffers from acute shortness of breath (acute dyspnea) between pulmonary disease and cardiac disease. The method is based on measuring the levels of seprase and of a cardiac marker in a sample from said patient. Further envisaged are kits and devices adapted to carry out the method of the present invention.

The invention discloses a multifunctional sputum scab clearing device for the respiratory department, and relates to the technical field of medical tools. The device comprises an inserting tube, a humidifying tube, a collecting box and a humidifying assembly, the humidifying tube comprises an outer tube and an inner tube, the outer tube and the inner tube are fixedly connected through a cover plate, a plurality of air outlet grooves are uniformly and circularly formed in the circumferential side face of one end of the outer tube, and a sealing ring is fixed to the circumferential side face ofthe other end of the outer pipe. External air is extracted by a mini fan to generate clean air after treatment performed by a filtering device and an activated carbon absorbing plate is conducted, water mist atomized by an atomizer is carried by the cleaning air to pass through an air delivery pipe to be discharged to the gap between the outer tube and the inner tube, mist in the gap passes through the air outlet grooves to be discharged to the inner wall of a respiratory tract, and therefore the problem of inconvenient cleaning of sputum scabs caused by the lacking of a humidifying function of an existing sputum scab clearing device is solved. According to the device, humidifying is conducted by blowing mist, oxygen in air can enter the interior of the respiratory tract to prevent dyspneaof the patient.

The invention relates to a respiration monitoring device capable of recognizing a respiration state. The respiration monitoring device is divided into a daytime monitoring module and a night monitoring module, and is more suitable for actual medical application; and during daytime patient activities, the patient can wear the daytime monitoring module, which does not influence the activities, and the device is multiple in monitoring items and high in detection accuracy; when the night module is used at night, on one hand, respiration of a patient can be monitored, on the other hand, the monitoring device is simple in structure and light, sleep is not affected, the monitoring and alarming functions are achieved, and an alarm can be given in time no matter under the conditions of dyspnea, transient respiratory arrest and the like. A unique daytime detection module is designed, multiple indexes of respiration can be detected by only using one light detection means, the monitoring effect isgood, and the cost is low; and the night monitoring module uses a capacitance detection method, the detection principle is simple, the detection effect is good, the cost is low, and even disposable use can be realized.

Methods for controlling, maintaining, or reducing blood pressure, and / or for treating, preventing, or alleviating symptoms such as dyspnea, in a patient suffering from or susceptible to acute heart failure. The methods involve the administration of an effective amount of a pharmaceutical composition comprising a short acting dihydropyridine compound such as clevidipine. The pharmaceutical composition may be administered at an initial dose, and if blood pressure is not controlled or maintained within a target blood pressure range or reduced to within a target blood pressure range, the initial dose may be titrated to achieve a blood pressure within the target blood pressure range. The patient may have a systolic blood pressure of about 120 mmHg or above.

The invention discloses a double-tube bite block protection type high-frequency oxygen jet sputum suction fluid director, which comprises an oropharyngeal fluid director, a sputum suction tube, an occlusion pad sleeve and a sleeve, wherein a sputum suction tube outer connector penetrating through the sputum suction tube is transversely arranged on the sleeve in a penetrating mode; a fluid directorbayonet for clamping the oropharyngeal fluid director is arranged at the front end of the sleeve; and the fluid director bayonet transversely penetrates through the sleeve; a check ring for limitingis arranged on the outer wall of the sleeve; and the occlusion pad sleeve is assembled outside the sleeve. The double-tube bite block protection type high-frequency oxygen jet sputum suction fluid director has a simple structure and is convenient to operate, is capable of conveying oxygen to a patient and smoothening sputum suction and exhausting through a double-tube seaming cushion cover type silica gel oropharyngeal airway, helps reduce pains of the patient, lowers the cost, is safe and stable to use, and is widely applicable to various devices of high-frequency oxygen jet, sputum suction and flow guide breathing for dyspnea patients.

A ventilator, or a breathing assistance apparatus, is disclosed to ventilate patients who may have breathing difficulties, said device comprising a inspiratory pressure control duct configured to be immersed in a first body of fluid; a positive end-expiratory pressure control duct configured to be immersed in a second body of fluid; at least one valve connected to the peak inspiratory pressure control duct and to the positive end-expiratory pressure control duct, and at least one controller communicably connected to the valve to control rate of cycling of the valve, thereby controlling number of breaths per minute, and to control the duration of peak inspiratory pressure also known as inspiratory time.

The invention provides a parallel inspiration and expiration breathing training device. The parallel inspiration and expiration breathing training device comprises an outer barrel, an outer screw sleeve and an end cover, wherein the outer screw sleeve is coaxially mounted in the outer barrel, a first air hole is formed in one end of the outer screw sleeve, a second air hole is formed in the otherend of the outer screw sleeve, a convex ring is arranged on the outer wall of the first air hole end of the outer screw sleeve, a third air hole is formed in the convex ring, a step is arranged at theposition, close to the second air hole, of the outer screw sleeve, so that the diameter of an inner cavity of the outer screw sleeve at the second air hole end is smaller than that at the first air hole end, one end of the outer barrel is mounted at one end of the convex ring of the outer screw sleeve through a first axial limiting device, so that the outer cylinder and the outer screw sleeve canrotate relative to each other, and the other end of the outer barrel is open. The parallel inspiration and expiration breathing training device is simple in structure and convenient to use, and can realize the inspiration training, inspiration training and mixed breathing training at the same time aiming at inspiration difficulty, expiration difficulty and mixed breathing difficulty, and meanwhile, the inspiration resistance and expiration resistance can be independently and continuously adjusted.

A multifunctional soft support pad for nursing a patient in a sitting and lying position comprises a waistcoat-shaped support garment, and is characterized in that the waistcoat-shaped support garmentcomprises a back support part and a thorax and abdomen support part; a head supporting pad is arranged at a position corresponding to the headrest part of the human body, of the upper end of the backsupporting part, and a lower jaw supporting pad is arranged at a position corresponding to the lower jaw part of the human body, of the upper end of the thorax and abdomen supporting part; the head supporting pad is integrally connected with the back supporting part, and the lower jaw supporting pad is integrally connected with the thorax and abdomen supporting part. By wearing the waistcoat-shaped supporting garment, the upper body of a patient can be supported by 360 degrees, and muscle fatigue of the back, the chest and the abdomen is relieved; the head supporting pad can play a role in supporting the head and neck of the patient, the lower jaw supporting pad can play a role in supporting the lower jaw of the patient, the pressure of the head of the patient on the body is relieved, theupper body of the patient can be supported in all directions, and fatigue and pain caused by dyspnea of the patient are relieved.

The invention relates to the field of pharmaceutical preparations, and particularly relates to a preparation method of an inhalation solution for treating respiratory diseases. The inhalation solutionis composed of ambroxol hydrochloride, clenbuterol hydrochloride, a pH regulator, an isoosmotic adjusting agent and a solvent, wherein the ambroxol hydrochloride and the clenbuterol hydrochloride serve as active ingredients. The invention relates to the preparation method of the inhalation solution taking the ambroxol hydrochloride and the clenbuterol hydrochloride as the active ingredients, which is easy to operate, simple in process and suitable for commercial production. Aerosol inhalation administration is adopted, and the inhalation solution is suitable for patients who are difficult toswallow and inconvenient to inject. The inhalation solution disclosed by the invention has a remarkable effect in aspects of treating the respiratory diseases, bronchitis, and dyspnea caused by airwayobstructive diseases such as emphysema and the like.

The invention discloses a drug infusion pump control system based on visual detection and a control method thereof. The drug infusion pump control system comprises a visual detection module, a deep reinforcement learning control module, a drug supply module and an alarm module, human facial expressions are recognized through visual detection, no matter the micro-expressions reflects the pain degree during pain, or the micro-expression reflects difficult breathing or unconsciousness due to drug side effects, accurate identification can be carried out through visual detection, drug supply is controlled by using deep reinforcement learning on the basis of visual detection, automatic detection of a full-analgesic anesthesia process can be realized, an early warning module is matched to realize automatic detection of the full-analgesic anesthesia process when an abnormal condition is likely to occur, and prompts can be sent in time.

A portable handheld pressure support system (10) is configured to provide pressure support therapy to a subject. The pressure support system provides a pressurized flow of breathable gas that is delivered to the airway of the subject to treat COPD and / or dyspnea, hyperinflation, and / or other conditions. The system is configured to adjust an expiratory pressure level of the pressure support therapy responsive to identification of hyperinflation in the subject. The pressure support therapy provided to the subject is configured to be used as needed to rapidly alleviate shortness of breath, hyperinflation, and / or other symptoms. The pressure support system is configured to be small and lightweight so that the subject may carry the system and use the system as needed.

The invention relates to a double-pipe bite block protection type high-frequency oxygen jet and sputum aspiration fluid director, in particular to double-pipe bite block protection type high-frequency oxygen jet and sputum aspiration fluid director device equipment used for patients with dyspnea. According to the double-pipe bite block protection type high-frequency oxygen jet and sputum aspiration fluid director, an expansion end oropharynx flow guide pipe and a sputum aspiration pipe are sleeved with a bite block sleeve, a flow guide pipe outlet is communicated with the expansion end oropharynx flow guide pipe, and penetrates through the bite block sleeve to be communicated with a flow guide pipe inlet, one end of the sputum aspiration pipe is inserted into the oral cavity, the middle of the sputum aspiration pipe is sleeved with the bite block sleeve and a bite block fender, the other end of the sputum aspiration pipe is communicated with a sputum aspirator, one end of the flow guide pipe inlet is connected with an internal thread conical inserting pipe, an internal thread is connected to an external thread connector, and an external thread conical inserting pipe is communicated with a high-frequency oxygen jet breathing machine. The double-pipe bite block protection type high-frequency oxygen jet and sputum aspiration fluid director has the advantages that the structure is simple, operation is convenient, the double-pipe type bite block sleeve is adopted, oxygen conveying and sputum aspiration for the patients are smooth, cost is lowered, use is safe and stable, and the double-pipe bite block protection type high-frequency oxygen jet and sputum aspiration fluid director is widely used for the high-frequency oxygen jet and sputum aspiration fluid director equipment for the patients with dyspnea.

The invention relates to the field of granary self-rescue, in particular to self-rescue equipment for granary slipping and falling personnel, and aims to solve the problems that a person falls into a granary, so that breathing is difficult, the body cannot move, and the person falls into the bottom in the prior art. The self-rescue equipment comprises a protective armor, a wearing space is formed in the protective armor, symmetrical transmission cavities are formed in the side, away from the wearing space, of the protective armor, blocking mechanisms are arranged in the transmission cavities, and transmission threaded blocks are rotationally arranged in the blocking mechanisms and located on the lower sides of the transmission cavities; and the transmission threaded blocks are rotationally connected with the protective armor in a threaded mode, symmetrical transition cavities are formed in the lower side of the transmission cavities, symmetrical translation cavities are formed in the lower sides of the symmetrical transition cavities, and feeding cavities are formed in the lower sides of the symmetrical translation cavities.

The invention concerns methods of treating stored blood and blood products maximizing shelf life and / or minimizing transfusion related complications such as non not hemolytic transfusion reactions such as fever, transfusion-related acute lung injury (TRALI), transfusion associated dyspnea (TAD), and allergic reactions by removing undesirable molecules in the blood and blood products milieu through use of a sorbent.