49 results about "Respiratory chamber" patented technology

The utility model relates to the technical field of medical instruments, and discloses a breathing connector and a closed type sputum suction catheter comprising the breathing connector, the breathing connector comprises a breathing cavity, an isolation cavity, an isolation assembly arranged in the isolation cavity and an external connection cavity, the isolation cavity is provided with a communication hole, and the isolation cavity is provided with a through hole. The communicating holes are communicated with the external cavity and the breathing cavity respectively, and the communicating or isolating state between the communicating holes can be switched by operating the isolating assembly; the breathing connector comprises an operation feedback mechanism, and when the communicating hole is switched to be in the communicating or isolating state, the operation feedback mechanism can provide operation feedback. The operation feedback mechanism comprises a fixed buckle part and an active feedback part, and the operation feedback mechanism provides operation feedback through connection of the fixed buckle part and the active feedback part. According to the utility model, the suction catheter can be easily and safely connected and isolated, and the isolation component can be prevented from being accidentally opened or closed.

A respiratory training weight and a respiratory training device are disclosed. The respiratory training weight includes a body, a cap, a magnet, a mass block, and a ferromagnetic plate. The ferromagnetic plate is located at the base of the body, the mass block is placed on the ferromagnetic plate, and the magnet is positioned between the mass block and the cap. The magnet and ferromagnetic plate interact magnetically to hold internal components together and, when multiple weights are stacked, to prevent separation during use. The device includes a respiratory chamber housing the weights, a base with a gas flow passage, and a mouthpiece. The configuration ensures stable airflow and consistent resistance during respiratory training. The modular design allows for easy manufacturing of different weight levels by varying the mass block, improving production efficiency and enabling precise, graded resistance training.

A communication assembly (1) for avoiding interference due to oxygen flow noise comprising: a) a breathing mask (10) comprising: a main body (14) having a face shell (11) with a breathing cavity (12) and a regulator (16) delivering breathing gas, b) a microphone (22) configured to capture sound signals in said breathing cavity, c) a test button (8) for supplying breathing gas to said breathing cavity, d) an attenuation device (34); e) a sound monitoring system (25), f) a controller (32) configured to cause said attenuation device to operate in an active mode when detecting an airflow noise passing through said breathing cavity (12) during inhalation of said user and to operate in an inactive mode when detecting a human voice or an airflow noise in said breathing cavity (12) in a stowed configuration, g) a transmitter (38) for transmitting an output signal (58).

The invention discloses a modular combined type gas mask which comprises a mask body (1) used for being attached to the face of a user and forming a closed breathing cavity. The window (2) is fixedly arranged at the front part of the cover body (1) and is used for providing a visual field; the head fixing device (3) is connected to the mask body (1) and used for fixing the mask body (1) to the face of a user; the conversation and breathing module is detachably arranged on the mask body (1) through a standardized interface; the conversation and breathing module is provided with an expiration unit, an inspiration unit and a conversation unit; the expiration unit is used for unidirectionally flowing air in the breathing chamber to the outside; the inspiration unit is used for being connected with external respiration guarantee equipment; the gas mask solves the technical problems that in the prior art, a gas mask cannot be flexibly adapted to multiple scenes, the equipment universality is low and the maintenance and purchase cost is high due to the fact that the gas mask is single in mode, the compatibility of a canister interface is poor and core components cannot be replaced.

The utility model discloses a breathing pillow capable of rapidly cooling. The breathing pillow comprises a lower pillow body and an upper pillow body, the bottom face of the lower pillow body is a lower supporting face, the top face of the lower pillow body is an upper limiting arc face, the upper limiting arc face comprises first concave portions on the two sides and a first protruding portion in the middle, the lower pillow body is matched with the upper pillow body in a limiting mode through the first concave portions, and an opening groove is formed in the first protruding portion. The bottom face of the upper pillow body is a lower limiting arc face, the top face of the upper pillow body is an upper supporting face, the lower limiting arc face comprises second protruding parts on the two sides and a second concave part in the middle, the upper pillow body is matched with the lower pillow body in a limiting mode through the second protruding parts, the second concave part and the opening groove form a breathing cavity, and a plurality of exhaust channels are formed in the lower limiting arc face. The exhaust channel penetrates through the upper pillow body and is communicated with the breathing cavity. When a user uses the pillow, the weight of the head can compress the breathing cavity, and when the user turns over during sleeping, the upper pillow body can recover to the original state under the action of the elasticity of the upper pillow body, so that the breathing cavity generates the effect similar to human lung breathing, external air enters the pillow through the exhaust channel, and the interior of the pillow can be rapidly cooled.

The present application relates to the technical field of breathing valve, especially to a pilot breathing valve and a using method, comprising a valve body, a breathing assembly and a pilot assembly. The valve body comprises a separation diaphragm, a diaphragm cavity and a breathing cavity formed by separating the inner cavity of the valve body by the separation diaphragm; the breathing assembly comprises a first opening and a second opening distributed in turn along the gas exhale direction, and a valve disc connected with the separation diaphragm; the pilot assembly is configured with an elastic element and a pilot seat for plugging the gas outlet of the diaphragm cavity, and the gas outlet and the second opening are both communicated with the outside, and the first opening is communicated with the storage tank. Wherein, the diaphragm cavity is connected with the storage tank, and the flow cross-sectional area S1 of the gas outlet and the flow cross-sectional area S2 of the first opening satisfy: S1 < S2. The present application solves the problem of leakage of the valve in the prior art when it is in the pressure state close to opening by the cooperation between the valve body, the breathing assembly and the pilot assembly.

This invention discloses a gas and riot helmet, comprising a helmet body, a mask assembly, a clean air channel, and a filter replacement mechanism. The mask assembly is mounted on the helmet body and can switch between an open position and a sealed wearing position, forming a sealed contact with the wearer's face and defining the breathing chamber in the sealed wearing position; the clean air channel communicates with the breathing chamber. The filter replacement mechanism includes a chamber, an external door, a shut-off valve, a carrier, a shifting component, and an interlocking component. The chamber contains a clean air connection chamber, an isolation transfer chamber, and an external access chamber, which are separated from each other. The carrier and shifting component allow the filter to switch between a working position, an isolation position, and a loading position. The interlocking component restricts the sequence of action of the external door, shut-off valve, and shifting component, ensuring that the filter can be replaced while the mask assembly remains sealed, thereby reducing the risk of the breathing chamber being exposed to the external contaminated environment during replacement and improving continuous protection safety.

The invention relates to the technical field of breather valves, in particular to a pilot-operated type breather valve and a using method thereof, and the pilot-operated type breather valve comprises a valve body, a breathing assembly and a pilot assembly. The valve body comprises a separation membrane, and a membrane cavity and a breathing cavity which are formed by separating an inner cavity of the valve body by the separation membrane; the breathing assembly comprises a first opening and a second opening which are sequentially distributed in the gas exhalation direction, and a valve disc connected with the partition diaphragm. An elastic element and a pilot seat used for blocking the air outlet of the diaphragm cavity are arranged in the pilot assembly, the air outlet and the second opening are communicated with the outside, and the first opening is communicated with the storage tank. Wherein the diaphragm cavity is connected with the communicating storage tank, and the circulation sectional area S1 of the air outlet and the circulation sectional area S2 of the first opening meet the condition that S1 is smaller than S2. The valve body is matched with the breathing assembly and the pilot assembly, so that the problem that leakage is generated when a valve in the prior art is in a pressure state close to opening is solved.

The invention relates to an internal breathing type air cylinder for a heavy truck, and solves the problems that the air pressure is low after full-stroke braking of continuous five-time treading, the braking response time becomes poor after the air pressure is reduced, and the braking distance becomes long. Comprising a telescopic centering shaft (1), a spring (2), a diaphragm stabilizing plate (3) and a breathing diaphragm (4), the breathing diaphragm (4) is fixed on the inner wall of the air cylinder and divides the air cylinder into an independent driving energy storage cavity (5) and a breathing cavity (10), the diaphragm stabilizing plate (3) is fixed on the breathing diaphragm (4) in the breathing cavity (10), the spring (2) is connected between the diaphragm stabilizing plate (3) and the air cylinder, and the diaphragm stabilizing plate (3) is fixed on the breathing cavity (10). The air cylinder driving energy storage cavity (5) and the breathing cavity (10) are respectively provided with an air inlet and a detection port, and the driving energy storage cavity (5) is further provided with an air outlet and a drain outlet (11). According to the internal breathing type air cylinder with the pressurizing function, the air pressure of the air cylinder after full-stroke braking of continuous five-time treading can be increased, so that the response time of a braking system is prolonged, the braking distance is shortened, and the driving safety is improved.

A vehicular drive device including a transmission mechanism that transmits drive force from a drive source to a wheel, a case that forms a housing chamber that houses the drive source and / or the transmission mechanism along with oil, and a breather provided on the case, in which the breather includes a case-side opening opened to the housing chamber, a vent opening opened to atmosphere, and a breather chamber that communicates with the case-side opening and the vent opening, and the breather chamber includes a first breather chamber formed in the case, and a second breather chamber formed by an insulating member attached to the case in the housing chamber.

A nasal seal, mask or an interface assembly have a seal body defining a breathing chamber. A nasal port is provided in the seal body. The nasal port has a central portion straddled by a pair of lateral portions. The nasal port further has an upper edge and a lower edge. The upper edge defines an inwardly projecting portion within the central portion. The lower edge defines an inwardly protection portion within the central portion. Thus, the nasal port can be generally bean-shaped or bowtie-shaped. The mask can include a frame having a central portion that supports the seal and a pair of arm portions that extend rearwardly of the seal and are configured to connect to headgear. The central portion can be more rigid than the arm portions. The mask can be configured to reduce noise transmitted through a bias flow vent.

The present invention provides a patient interface including a cushion assembly, a headgear assembly, an elbow assembly and transition ring structure and a headgear secure assembly. The cushion assembly, the elbow assembly and the headgear secure assembly are assembled together by the transition ring structure. The cushion assembly is sealed with a face of a patient when in use. The headgear secure assembly is for connecting the headgear so as to secure the patient interface at the face of the patient when in use. The cushion assembly is provided with a cylindrical wall for delivering an air flow, and the cylindrical wall projects in two opposite directions along an axis of an opening thereof, so as to provide an air flow of a breathing chamber with a flow diversion guiding effect. Thus, the patient interface can be worn and used with better comfort and convenience.

The utility model discloses a mask with a folding breathable layer, and belongs to the technical field of masks. At least one folding part which does not extend transversely is arranged in the breathable area of the mask body, and the folding part is a folding breathable filter layer. In the using process, the area of the breathable area of the mask body can be increased by unfolding the folding part, so that the filtering effect is improved, more exhaled air can be contained and buffered, the air is effectively prevented from overflowing from the upper end of the nose and the jaw, and the filtering effect is further improved. The non-transversely-extending folding part can support the breathing cavity formed by the whole mask body in certain strength, the breathing cavity is prevented from contracting and expanding in the breathing process, and therefore the air leakage condition is avoided.

The invention relates to the field of diving glasses, in particular to underwater breathing diving glasses with a breathing safety monitoring function. Comprising a diving goggles body, a breathing nozzle, a breathing bin, a gas sensing unit, a pressure sensing unit, a warning alarm unit and a signal control unit, an airflow channel communicated with a breathing cavity is formed in the breathing bin, a breathing air pipe is arranged at the end of the breathing bin, and an exhaust channel is formed in the peripheral side of the breathing bin; and the signal control unit is configured to divide an inspiration phase and an expiration phase in a respiratory cycle based on the pressure dynamic signal, and collect carbon dioxide concentration data output by the gas sensing unit only at the inspiration phase. The pressure sensing unit and the gas sensing unit are integrated in the breathing bin, breathing phase recognition is achieved in combination with the signal control unit, the carbon dioxide concentration is selectively sampled only in the inspiration phase, false alarm is effectively avoided, and meanwhile, the isolating membrane structure is matched, and reliable operation of the gas sensor under breathing airflow is guaranteed.

A microphone device and a plurality of the microphone device brackets configured to be positioned within the breathing cavity of a plurality of respirator types. Also included is a configuration and indicator capabilities for the microphone device within the plurality of microphone device brackets.

The utility model discloses a dish washing machine with a condensation structure. The dish washing machine comprises a condensation module, a respirator and an inner container. The respirator is installed in the inner container, a breathing opening and a breathing cavity are formed in the respirator, and the breathing cavity is communicated with the interior of the inner container through the breathing opening; the condensation module is installed on the respirator, a condensation channel and an air outlet connector communicated with the condensation channel are arranged on the condensation module, and part of the condensation channel extends into the breathing cavity. The device has the beneficial effects that steam can enter the condensation module through the breathing opening to be condensed, condensate water returns into the inner container again under the action of gravity and supplies water for next-time cleaning, and cyclic utilization of water resources is achieved; and residual steam in the condensation module can be intensively discharged to the lower part of the inner container through the gas outlet joint, so that the purpose of gas-liquid separation is achieved.

The laryngeal mask comprises a catheter, a sealing plug is installed at the top of the catheter, an oxygen supply tube is arranged on the sealing plug, a breathing channel is formed in the catheter, a breathing cavity is formed in the tail section of the catheter, one end of the breathing channel communicates with the oxygen supply tube for breathing oxygen supply, and the other end of the breathing channel communicates with the breathing cavity. A main drainage channel and an auxiliary drainage channel which are independent are arranged at one end of the breathing cavity, a first liquid outlet communicated with the main drainage channel is formed in the sealing plug, a second liquid outlet communicated with the auxiliary drainage channel is further formed in the sealing plug, the breathing cavity is sleeved with a sealing cover bag, and an air supply pipe and a liquid supply pipe are inserted into the sealing cover bag. The double-channel independent drainage device has the advantages that double-channel independent drainage is achieved, gas-liquid double-medium interchange is supported, the sealing cover bag is supported, the whole-time-period operation is covered, meanwhile, the catheter and teeth of a patient can be protected, and catheter blocking and tooth pain are avoided.

A microphone device and a plurality of the microphone device brackets configured to be positioned within the breathing cavity of a plurality of respirator types.

The invention discloses an active respiration guarantee and sterile isolation integrated system for head and neck operations, and relates to the technical field of medical instruments, in particular to the active respiration guarantee and sterile isolation integrated system for the head and neck operations, which comprises a sterile isolation main body and a neck sterile main body at the rear end of the sterile isolation main body, and therefore, the integrated foldable sterile barrier is formed. The sterile isolation body is provided with a view hole, a moldable metal wire framework is arranged on the inner side of the sterile isolation body, the framework extends along the edge of the hole to form a supporting frame, and the sterile isolation body can be switched between a folded state and a three-dimensional supporting state. A hollow pipeline is arranged in the framework, an oxygen connector is arranged at one end of the hollow pipeline, and distributed gas micropores are formed in the pipeline. During three-dimensional supporting, the framework can form a breathing cavity in front of the face of a patient, oxygen is evenly dispersed and supplied through the micropores, and active breathing guarantee and sterile isolation of an operation area are achieved. The system is preferably made of a disposable sterile material.

The utility model discloses an electric control injection oxygen mixing device which comprises a shell, a breathing cavity, an injection pipe, an air valve, a differential pressure transducer, a controller, a linear motor, an electric control seat, an electric control valve cover plate and an electric control valve seat, the injection pipe is installed in the shell, an inlet of the injection pipe is communicated and connected with the electric control valve seat, the electric control seat is installed on the shell, and the air valve is installed in the breathing cavity. The linear motor is installed on the electric control seat, the electric control seat is provided with an electric control seat through hole, a driving rod of the linear motor is located in the electric control seat through hole, the suspended end of the driving rod is connected with an electric control valve cover plate, an oxygen inlet channel is formed in the hole wall of the electric control seat through hole, and the differential pressure sensor is installed on the cavity wall of the breathing cavity. And the differential pressure sensor and the linear motor are respectively connected with the controller. According to the utility model, the purpose of automatically controlling the oxygen concentration in the mixed gas according to the vital capacity of oxygen uptake personnel is achieved, and the problem of oxygen deficit or oxygen poisoning caused by different vital capacities of the oxygen uptake personnel is avoided.

An outside aortic counterpulsation device with an extracorporeal respiratory chamber includes an intracorporeal catheter and a respiratory chamber assembly. The respiratory chamber assembly is connected to a counterpulsation controller through a wire. A side wall of an inner end of the intracorporeal catheter is provided with a plurality of through holes, and an outer end of the intracorporeal catheter is hermetically connected to an extracorporeal balloon. The respiratory chamber assembly includes a housing and a piston driving mechanism and an elastic respiratory chamber membrane arranged inside the housing. A closed end of the elastic respiratory chamber membrane is connected to a piston, and an open end of the elastic respiratory chamber membrane wraps around the extracorporeal balloon and is hermetically connected to an outer side of a base of the extracorporeal balloon. The piston driving mechanism is configured to drive the elastic respiratory chamber membrane to expand or contract.

Disclosed in the present invention is a closed sputum suction catheter, comprising a joint assembly and a sputum suction hose. The joint assembly comprises a flushing cavity, a respiratory cavity and a sputum collecting cavity, wherein the respiratory cavity is provided with a ventilator joint configured to connect to a ventilator tube; the sputum collecting cavity is provided with a tube joint configured to connect to a tracheal tube; and the flushing cavity is provided with a first flushing tube. The sputum suction hose can run through the flushing cavity, the respiratory cavity and the sputum collecting cavity to enter the respiratory tract of a patient to suck out sputum. The sputum collecting cavity is further provided with a second flushing tube and a drainage tube. By means of the present invention, sputum coughed up by a patient can be collected, and the outer wall of the sputum suction hose can be easily cleaned, thereby improving the efficiency and safety of treatment.

The utility model discloses a gearbox shell, a gearbox and a vehicle, the gearbox shell comprises a box shell body and a breathing cavity shell, and a breathing device is arranged on the breathing cavity wall section of the box shell body; the breathing cavity shell comprises an annular plate body, first side plate bodies and a second side plate body, the annular plate body is arranged in an inner cavity of the box shell body, the annular plate body and the breathing cavity wall section are oppositely arranged in a spaced mode, the first side plate bodies are arranged at the two ends of the annular plate body, the annular plate body, the first side plate bodies and the breathing cavity wall section define a breathing cavity, and the second side plate body is arranged in the breathing cavity; the air passing notches are formed in the first side plate body and the second side plate body, the structure is simple, and the machining cost can be reduced.

A self-breathing ventilation air cushion for shoes is made of an elastic material and is composed of an air cushion body and a sealing film which are attached in an airtight mode. The interior of the breathing tube is divided into an integrated double-breathing-cavity structure by a Z-shaped partition wall; the top walls of the two breathing chambers are provided with annularly arranged air inlet hole groups and air inlet valve diaphragm mounting holes, and the air inlet hole groups and air inlet valve diaphragms jointly form a one-way air inlet valve; an air outlet valve mounting hole and a one-way air outlet valve are arranged at the position slightly behind the middle of the two side walls of the breathing chamber of the air cushion II; supporting columns which are different in diameter and are uniformly distributed are arranged on the top walls of the two breathing chambers; and two groups of communicated radial ventilation grooves are formed in the front surface of the air cushion. The air cushion is arranged between the shoe sole and the shoe upper, walking treading is used as power, fresh air is inhaled into the shoe, vitiated air is exhaled out of the shoe, and the effects of removing heat, dampness, sweat and odor are achieved. The method is novel, unique, remarkable in effect and high in practicability.

A mask system includes a frame defining a breathing chamber, a cushion provided to the frame and adapted to form a seal with the patient's face, and a shroud provided to the frame and adapted to attach headgear. The shroud includes a retaining mechanism structured to connect the shroud to the frame. The retaining mechanism includes both a taper lock arrangement and a retaining clip arrangement.

The utility model discloses a condensation structure and a dishwasher, the condensation structure comprises a condensation module, a respirator and a water tank, the condensation module is internally provided with a condensation channel, and the condensation channel is communicated with the interior of the respirator; the condensation module is provided with a first connector, and the water tank is provided with a first connector and a water outlet. The first connector is communicated with the first connector, and the water outlet is formed in the lower portion of the water tank. The dish washing machine comprises an inner container, a water cup and the condensation structure. The device has the beneficial effects that a circulating condensation structure of the condensation module, the water tank and the respirator is established, steam which is not completely cooled can enter the breathing cavity again from the water tank to be condensed, and the condensation efficiency is improved; condensate water in the condensation module can flow into the dish washing machine again through the breathing cavity, and cyclic utilization of the condensate water is achieved.

The application provides a filter box and a breathing filter, and belongs to the technical field of air filter equipment. The filter box comprises a front shell and a rear shell. The top of the rear shell is provided with a rear protruding part extending upward. The rear shell wraps the mouth of a human body, and the rear protruding part wraps the nose of the human body. A rear air inlet is formed in the rear side wall of the rear shell. An air inlet valve is mounted on the rear side of the rear air inlet. The rear side wall of the rear shell below the air inlet is inclined to the rear side. A rear air outlet is formed in the rear protruding part. An air outlet valve is mounted on the front side of the rear air outlet. The gap between the rear shell and the nose and the mouth of the human body constitutes a breathing cavity in communication. The filter box provided by the application does not need to penetrate the bottom of the rear shell. Therefore, the part of the filter cavity below the rear air inlet can be inclined to the rear side, thereby increasing the space of the filter cavity, filling more filter fillers in the filter cavity, and improving the filtering effect.

A patient interface includes a cushion assembly, a headgear assembly, an elbow assembly, a transition ring structure, and a headgear fixation assembly. The cushion assembly, the elbow assembly, and the headgear fixation assembly are assembled together by the transition ring structure. The cushion assembly forms a seal with a patient's face in use. The headgear fixation assembly is for the headgear assembly to connect to in order to secure the patient interface to the patient's face in use. A cylindrical wall for delivering a flow of air is provided on the cushion assembly, which projects in two opposite directions along an axis of its opening in order to create a split flow guidance effect on the flow of air in the breathing cavity. In this way, the patient interface can be comfortably and conveniently worn and used.

Mask device that includes: a mask body equipped with a microphone; a mask body cover that is coupled to a front of the mask body and has a front opening through which a sound is emitted forward; a sealing section that is coupled to a rear side of the mask body and forms a breathing chamber; and a first loudspeaker, which is attached either to the mask body or to the mask body cover and outputs a sound input via the microphone; wherein a first resonance chamber is formed between the mask body and the mask body cover to amplify the sound emitted by the first loudspeaker and to output the sound to the front opening.

A non-horizontal folding mask is provided. A breathable region of a mask body is provided with at least one non-horizontally extended folding portion; and the folding portion is a folding and breathing filtration layer. During use, unfolding the folding portion can increase an area of the breathable region of the mask body to improve the filtering effect, and can accommodate and buffer more exhaled gas to effectively prevent escape of the gas from an upper end of a nose and a chin to further improve the filtering effect. The non-horizontally extended folding portion can support a breathing chamber formed by unfolding the mask body overall, preventing collapse and expansion of the breathing chamber in the breathing process to avoid gas leakage.