14 results about "Breathing bag" patented technology

The utility model provides a kind of sterilization respiratory bag, belong to aseptic pharmaceutical technical field, including first piece and second piece, the bottom end and both sides of first piece and second piece are respectively heat-seal connection to form the bag body with the opening of upper end;First piece includes third piece and fourth piece sequentially heat-seal connection from top to bottom, and the middle heat-seal line is formed between third piece and fourth piece, second piece and third piece are transparent sheet layer, and fourth piece is breathable antibacterial sheet layer;The upper portion of bag body is provided with easy tear opening, and easy tear opening is located between opening and middle heat-seal line.The utility model provides a kind of sterilization respiratory bag, and easy tear opening is arranged between middle heat-seal line and opening, so that tear open operation is located in transparent sheet layer, avoid the risk that fiber debris or plastic microparticle is produced by breathable antibacterial sheet layer tearing, effectively avoid that microorganism pollution aseptic environment is carried by microparticle, and provide safeguard for the operation safety of medical, pharmaceutical and other high cleanliness scene.

The invention provides a pressure balancing structure for a radiation source oil tank, and relates to the technical field of medical imaging equipment, the pressure balancing structure comprises an oil tank main body and a balancing bag body, at least one radiation generating mechanism is arranged in the oil tank main body, the oil tank main body is filled with an insulating medium, and the balancing bag body is arranged in the oil tank main body and is communicated with an inner cavity of the oil tank main body; wherein the balance capsule body is deformed in response to the volume change of the insulating medium caused by the temperature change, so as to maintain the pressure balance inside and outside the oil tank main body. By arranging the breathing bag in the oil tank, the volume expansion and shrinkage of the insulating oil caused by temperature change can be automatically responded, so that the internal pressure of the oil tank is always kept in dynamic balance with the external atmospheric pressure, and the problem of pressure fluctuation caused by thermal expansion and cold contraction of the oil in the oil tank is avoided.

Method (100) for checking the operational readiness of a closed-circuit breathing apparatus (1) in a step sequence for carrying out the check with the steps: - Continuous metrological acquisition (104, 104') and recording of pressure measurement signals P L a low-pressure sensor (41) arranged in or on a low-pressure system (77) of the closed-circuit breathing apparatus (1), - Identification based on the pressure measurement signal P L (81) of the low-pressure sensor (41) whether there is currently a situation in which an inflow of quantities of gas into the low-pressure system (77) has begun, - Storage of a first pressure measurement signal P1 (109) at a first time t1 (108), which indicates the identified pressure situation immediately after the start of the inflow of gas quantities into the low-pressure system (77) with a breathing bag (3), - Storage of a second pressure measurement signal P2 (114), which indicates a pressure situation at the end of the inflow of gas quantities into the low-pressure system (77) at a second time t2 (113), - Formation (115) of a difference value ΔP (ΔP = P2 - P1) (116) between the first pressure signal P, (109) and the second pressure signal P2 (114), - Performing a comparison (117) between the difference value ΔP (116) with a difference threshold value P C (118) - Determining a result (94, 95) of the verification of the functionality of the closed-circuit breathing apparatus based on the comparison (117), - Provision of an output signal (88) which indicates the result (94, 95) of the check.

The invention relates to the technical field of anesthesia devices, in particular to an anesthesia machine control system and method and an anesthesia machine, and the system comprises an acquisition conversion module, a ladder segmentation module, a stage correction module, an integral sorting module and a valve control generation module. According to the method, the continuous pressure sequence is constructed by collecting the compression electric signals of the breathing bag and is smoothed, synchronous difference and gradient recognition is carried out on pressure changes and gas flow changes, refined stage division and dynamic position correction are formed, the boundary of the ventilation stage is clear and stable, and the accuracy is high. The valve opening reference relation is established through stage pressure integration and section sorting, the collaboration between pressure fluctuation and flow fluctuation is strengthened, deviation caused by manual experience dependence is reduced, valve dynamic adjustment is more real-time and consistent, and the gas conveying stability degree and the pressure control reliability are improved.

This invention discloses a breathing bag sealing machine, including a main frame, a fixture, a slide table device, and a welding device. The welding device is located on the inner rear end of the main frame. The slide table device includes a slide table panel, with the fixture mounted on the slide table device. A slider is mounted on the lower end of the slide table panel, and the slider is slidably connected to a linear guide rail. The lower end of the slide table panel is connected to the output end of a linear module, which is installed inside the main frame. The slide table panel has several universal steel column mounting slots, and the universal steel columns are installed in these slots. The slide table panel also has multiple fixing holes. The fixture is connected to the fixing holes via a rotating indexing pin and a hexagonal handle. This invention achieves heat sealing of different welding lines by adjusting the mold angle on a single machine, thus completing the product in one operation and avoiding quality risks associated with multiple process connections. It also reduces operating equipment and personnel costs.

The invention relates to a method for rapidly evaluating the rust-free level of a medicinal rubber plug, and belongs to the field of medicinal piston raw materials. Soaking the molded and deedged rubber plug in isopropanol to remove silicone oil on the surface, repeatedly cleaning the rubber plug with water for injection, and placing the rubber plug in a microwave oven for microwave treatment to destroy a passivation layer of scrap iron in the rubber plug; immersing the rubber plug into a NaCl solution, sealing, performing high-temperature and high-pressure treatment, cooling, discarding the solution, and drying; the treated rubber plug is placed in an MES buffer solution for sealed standing, and then the rubber plug is transferred into a sterile breathing bag to be dried; after the bag is opened, the rustless level of the butyl rubber plug after long-term contact with liquid medicine is evaluated by visually inspecting the number of red brown rust spots or rusty spots on the surface of the rubber plug. According to the method, the evaluation method is stipulated, the rusting condition of the rubber plug in contact with the liquid medicine is quantified, and the method can be used for rapidly and effectively evaluating the rusting point generation condition of the butyl rubber plug.

The utility model provides a kind of wet heat sterilization respirator bag with tweezers loading support, including the U-shaped support frame formed by two vertical rods and a horizontal rod, fixedly connected with suspension rod and fixed sheet between two vertical rods, a plurality of insertion holes for tweezers foot insertion are set on fixed sheet, each insertion hole is sequentially arranged according to same interval. The utility model is used to solve the problem that tweezers cannot be fixed in the placing mode in respirator bag, and the heat treatment sterilization effect has difference.

The invention relates to the technical field of medical equipment, in particular to an intelligent air supply anaesthesia machine based on physical form dynamic monitoring, which is characterized in that real-time information acquisition is carried out on a breathing bag in a breathing loop system through a sensor to obtain corresponding three-dimensional data information, and a corresponding three-dimensional model is constructed in a three-dimensional space; real-time calculation is carried out based on the model to output a dynamic filling degree and a breathing bag filling rate which represent the physical form of the breathing bag, and comparison is carried out based on the change condition of the dynamic filling degree and the breathing bag filling rate in combination with a preset threshold value corresponding to the working state of the intelligent air supply anaesthesia machine; therefore, the flow rate is adjusted or a safety intervention strategy is triggered to adjust the opening degree of the pressure release valve according to the change condition of the filling rate of the breathing bag based on the judgment result. According to the method, the state of the breathing bag can be more effectively judged, whether the breathing bag is overfilled or insufficient in filling rate is determined, then targeted adjustment is conducted, and therefore the air supply anesthesia effect is improved.

The invention relates to the technical field of tracheal intubation, and discloses a tracheal intubation special device which comprises a breathing bag, a connecting pipe is fixedly connected to the outer wall of the breathing bag, a tracheal intubation judging device is fixedly connected to the side, away from the breathing bag, of the connecting pipe, and a tracheal catheter is arranged on the left side of the connecting pipe. Medical personnel extrude the breathing bag, air flow enters the tracheal catheter, after a patient inhales, the air flow enters a gap between the flow guide shell and the flow guide tube through the second air hole, water vapor in exhaled air flow makes contact with the inner wall of the flow guide shell, and at the moment, the water vapor is condensed on the inner wall of the flow guide shell; the problems that when water vapor generated by exhaled gas enters the trachea cannula judging device along a catheter, the water vapor is condensed in the trachea cannula judging device, deviation of carbon dioxide detection of the device is caused, medical workers have recognition errors, and patient treatment is affected are effectively solved.

This application relates to the field of medical respiratory device technology, specifically disclosing a respirator with adjustable tidal volume, comprising: a respirator body and an adjusting component; the respirator body is triangular prism-shaped, including two triangular faces and three rectangular faces; one of the three sides of the respirator body serves as an adjusting side; a scale line is provided on the line where the height of the triangular face intersects with the adjusting side; the adjusting component is disposed on the adjusting side and slidably connected to the respirator body along the scale line to adjust the volume of the respirator body. By providing a slidable adjusting component, the volume inside the respirator body can be adjusted by sliding the adjusting component, and the operator can determine the current volume of the respirator body by using the scale line, thus enabling the respirator to be suitable for patients of different body types without the need for multiple models, effectively solving the problems of existing respirators requiring multiple specifications and models and being inconvenient to control ventilation volume.

The invention discloses an automobile falling-into-water self-rescue escape device which comprises a vacuum pump circulating air supply device assembly, a plurality of containing boxes are arranged in an internal component of an automobile body, and the automobile falling-into-water self-rescue escape device comprises a lifting handle, a pair of goggles, a waterproof breathing mask, a circulating cabin, a folding breathing bag and a folding buoyancy bag. The two ends of the waterproof breathing mask are connected with the first elastic band and the fourth adjusting buckle, earplugs are arranged on the two sides, the front end of the waterproof breathing mask is guided into the lower end circulating cabin through a bent guide pipe to be connected with the upper end of the filter, a one-way backflow valve is arranged in the front end, and an air inlet valve switch and a buckle are arranged on the outer side of the guide pipe. The waterproof breathing mask with the two ends of the goggles connected through the X-shaped elastic band plays a role in protecting different people in a complex environment, and emergency measures are taken for trapped people which cannot escape in time due to deformation of components in a vehicle.

The utility model discloses a disposable breathing air bag which comprises a first outer shell, one end of the first outer shell is connected with a second outer shell in a clamping mode, sealing structures are installed at one end of the first outer shell and one end of the second outer shell, a protection structure is installed in the first outer shell, and the protection structure comprises a lining plate, a first air bag, a second air bag and a sponge plate. The first air bag and the second air bag are installed in the first shell and the second shell respectively, the first air bag and the second air bag are elastic, air is blown into the first air bag and the second air bag before installation, the first air bag and the second air bag can deform when the first shell and the second shell are impacted, such as falling off and being squeezed, impact force is absorbed, and the air bag and the second air bag are not prone to falling off. The inner lining plate fixed in the first shell provides a stable installation space for the first storage bag and the second storage bag, the sponge plate installed in the second shell can further protect internal articles, and therefore the purpose that the disposable breathing air bag can protect the internal articles is achieved.

The anesthesia machine breathing bag comprises an exhaust mechanism, a covering mechanism and an air bag body, the exhaust mechanism is located on one side of the air bag body, the exhaust mechanism comprises an exhaust pipe, a piston rod is arranged in the exhaust pipe, one end of the piston rod is fixedly connected with a piston, and the other end of the piston rod is fixedly connected with the covering mechanism. A spring B is arranged on one side of the piston, a baffle is fixedly connected to one end of the spring B, the baffle is fixedly connected with the exhaust pipe, a reed is arranged in the baffle, and a movable block is fixedly connected to the outer surface of the piston rod; when the air pressure in the air bag is too high, the air pushes the piston to move, automatic deflation is achieved, and the situation that the air cannot be discharged normally is avoided. Along with continuous accumulation of pressure, the breathing bag faces the risk of bursting, barotrauma is directly caused to a patient, and then a series of serious complications such as emphysema, pulmonary hemorrhage, circulatory dysfunction and acute respiratory distress are possibly caused.