11results about How to "Avoid suffocation" patented technology

The invention relates to the technical field of medical instruments, and discloses an anti-hypoxia sputum suction catheter which comprises an oxygen uptake catheter and a sputum suction catheter assembly arranged in the oxygen uptake catheter in a penetrating mode, the right end of the oxygen uptake catheter and the right end of the sputum suction catheter assembly are communicated with a three-way pipe, and the periphery of the three-way pipe is fixedly connected with a fixing shell. The left end of the three-way pipe is fixedly connected with a check valve, the right end of the three-way pipe is communicated with a branch pipe and a connecting pipe, the tail end of the connecting pipe is provided with a pneumatic pump, and the middle of the pneumatic pump is fixedly connected with an adjusting valve. By means of the coaxial double-tube structure and the three-way tube shunt design, continuous oxygen supply is kept while the sputum aspirator goes deep into an airway for sputum aspiration, suffocation of a patient is effectively prevented, accurate adjustment and visual monitoring of negative pressure are achieved by means of the pneumatic pump assembly integrating the adjusting valve and the display screen, and the safety and efficiency of sputum aspiration operation are remarkably improved.

The application discloses a nasal oxygen supply catheter device, which comprises a gas supply pipeline, two inner branch pipes extending from the wall of the gas supply pipeline, an outer covering component, a blocking member and a flexible tube switcher. The outer covering component comprises an outer covering pipe located at the periphery of the gas supply pipeline and an outer protective pipe sleeved outside the inner branch pipes. The blocking member is attached to the end of the outer protective pipe. The flexible tube switcher is attached to the end of the inner branch pipes. The outer covering component and the gas supply pipeline define an outer flow channel, which comprises a first outer flow channel defined by the outer protective pipe, the inner branch pipes and the flexible tube switcher, and a second outer flow channel defined by the outer covering pipe and the gas supply pipeline and communicating with the first outer flow channel. The inner side of the inner branch pipes and the flexible tube switcher defines an inner flow channel.

The utility model discloses an assembly line for cleaning polyurethane molds. The assembly line comprises an automatic mold inlet track, an automatic mold outlet track, a conveying belt, a protective door, a protective cover, a cleaning operation table, an exhaust shutter door, a garbage collector, an oil dripping prevention tray, a sliding door track, an automatic opening and closing gate and a smoke exhaust port. According to the polyurethane mold cleaning assembly line, 140 sets of molds can be cleaned every day, the isolation cover can prevent pollutants from flying everywhere, the pollutants can be conveniently collected in a centralized mode, meanwhile, cleaning personnel can be protected against harm of the pollutants and noise (the field noise is about 40 decibels), the ventilation system can prevent the cleaning personnel from suffocating with carbon dioxide, and the cleaning efficiency is improved. The combination of the dry ice machine and the assembly line can save labor and improve cleaning efficiency.

The utility model provides a limited space welding operation intelligent monitoring safety device which comprises a gas detector installed in an installation box, a gas inlet of the gas detector is connected with a gas guide pipe, and one end of the gas guide pipe extends out of the installation box. The gas detector is electrically connected with a controller, the controller is electrically connected with a warning indicator and a control switch, and the control switch is connected into a power supply circuit of the welding machine through a wire. When the gas detector detects that the concentration of poisonous gas in the space where welding operation is located exceeds the safe concentration, the gas detector sends an electric signal to the controller, the controller regulates and controls the control switch to be switched off, and the warning indicator is started for warning. According to the device, the gas detector, the controller and the warning indicator are integrated in the mounting box, the mounting box can be carried to a limited space, poisonous gas is detected in real time, the detection efficiency is improved, the continuity of welding operation is guaranteed, and the welding progress is accelerated.

This utility model discloses a centrifugal filter for easy material discharge, comprising a fixed frame, a power unit, and a centrifugal filter device. The power unit and the centrifugal filter device are mounted on the fixed frame, and the power unit is drivenly connected to the centrifugal filter device. The centrifugal filter device includes a housing and a filter element, which is disposed inside the housing and drivenly connected to the power unit. This centrifugal filter for easy material discharge has a simple structure and is convenient and practical. The rotational force drives the lower cover to rotate, and the instantaneous rotational torque of the lower cover causes the lower cover to drive the lead screw to rotate. Thus, the lead screw moves along the screw until the lower cover contacts or separates from the filter ring, achieving the purpose of material discharge or closing the filter ring for filtration.

This application provides a valve testing system before aerospace assembly and installation. The system includes: an external gas distribution control panel, a safety box, an operating workbench and clamping device, a video monitoring system, a gas concentration monitoring system, and an emergency ventilation system. The operating workbench and clamping device, and the gas concentration monitoring system are housed inside the safety box; the external gas distribution control panel is located outside the safety box; the video monitoring system is located beside the external gas distribution control panel; and the emergency ventilation system is mounted on the safety box. This application includes a rapid gas filling and assembly function, a pressurized gas filling and assembly function, and a DC adjustable regulated power supply output function for pressurization. The various functional modules can be flexibly switched according to the valve type, shortening the single test cycle, improving valve testing efficiency and safety, and providing hazard warning functions.

The invention belongs to the technical field of medical breathing support equipment, and discloses a breathing machine gas path system and a use method, the system comprises an air input channel, an oxygen input channel, an air-oxygen mixing device and a controller; one end of the air-oxygen mixing device is provided with an air mixing inlet and an oxygen mixing inlet, and the other end is connected with a mixing output pipeline; the oxygen mixing inlet is connected with a Venturi tube arranged in the air-oxygen mixing device; the mixed output pipeline is connected with an anti-suffocation valve through a pipeline, the other end of the anti-suffocation valve is connected with a breathing connector through a pipeline, and the pipeline for connecting the anti-suffocation valve and the breathing connector is connected with an anti-suffocation exhaust port through a bypass; a first two-position three-way normally-closed valve is connected to the pipeline connecting the anti-suffocation valve and the mixed output pipeline through a bypass. The two-position three-way normally-closed valves are combined with the air-oxygen mixing cavity, so that air path modularization and standardization are achieved, the system structure is remarkably simplified, and the number of parts and connectors is reduced.

The application discloses a surgical equipment applied to bronchoscope surgery, which comprises a transversely arranged operating table plate, a tilting component and a lifting component arranged in sequence below the operating table plate and used for tilting the operating table plate, and a bronchoscope surgery auxiliary component arranged on one side of the operating table plate; an arc-shaped through hole is formed in a first arc plate, a second arc plate is slidably arranged in the through hole, both ends of the second arc plate extend out of the through hole, and the both ends of the second arc plate are connected with the lower side of the operating table plate respectively, the tilting component further comprises a moving assembly used for driving the second arc plate to slide in the through hole, and the lifting component is arranged on the side of the first arc plate away from the operating table plate; a drainage assembly comprises a catheter used for extending into a human trachea and a guiding assembly used for supporting and fixing the catheter, and an expansion assembly is arranged on the outer wall of one end of the catheter and used for abutting against the inner wall of the human trachea. Through the mutual cooperation of the above-mentioned structures, the blood can be prevented from flowing into the lung to cause asphyxia when massive hemorrhage occurs in the bronchus.

The present application relates to the technical field of medical devices, in particular to an auxiliary support structure of a tracheal cannula. The technical problem is that the angle of the dental pad of the existing auxiliary support device of the tracheal cannula is fixed, and the contact point between the device and the patient's skin is fixed, resulting in low comfort of the device. An auxiliary support structure of a tracheal cannula comprises an arc-shaped mounting plate, a buckle is arranged on the arc-shaped mounting plate, an elastic pull belt is arranged at one end of the arc-shaped mounting plate away from the buckle, a tension belt is connected to the buckle, a magic tape is arranged on the tension belt, and a supporting pad is connected between the elastic pull belt and the tension belt. Medical staff can adjust the angle of the sliding mounting block and the dental pad by rotating the block, so that the dental pad is more suitable for extending into the patient's oral cavity. In this way, the dental pad can better adapt to the patient's oral condition, and the comfort of the device is improved.

This invention relates to the technical field of vulcanizing injection molds, and particularly to a vulcanizing injection mold and its demolding system. The vulcanizing injection mold includes an ejector pin assembly, an upper mold assembly, a middle mold assembly, a lower mold assembly, and a mold base assembly. The lower mold assembly has an ejector pin through hole, which includes a material well hole, an inverted conical hole, and a straight cylindrical hole. The ejector pin column includes an inverted conical section and a straight cylindrical section. The end of the straight cylindrical section away from the inverted conical section is vertically and vertically connected to the mold base assembly. When the mold is closed, the inverted conical section is located inside the inverted conical hole. The vulcanizing injection mold can prevent rubber material from entering the gap between the ejector pin column and the ejector pin through hole, avoid ejector pin jamming, improve demolding efficiency, and reduce maintenance costs. It solves the problems of existing ejector pin structures easily causing ejector pin jamming, which prevents the rubber part from being ejected smoothly, affecting demolding efficiency, or causing rubber leakage, which makes it difficult for the rubber material to completely and evenly fill the injection mold cavity, affecting product quality, and the problems of difficult-to-clean leaked rubber material and high maintenance costs.