The present invention discloses an auxiliary visible light rod for multisource end-expiratory CO.sub.2 monitoring. The auxiliary visible light rod comprises a handle, a pump body, a medicine compartment, a rod body and a bracket. The handle is separately connected with the medicine compartment, the pump body and the rod body, and one end of the rod body is connected with a rod head. A lamp and an atomizing head are arranged in the rod head. A circuit tube is connected with the external wall of the rod body, one end of the circuit tube is connected with a display screen, and the other end of the circuit tube is connected with a camera in the rod head. The bracket sleeves the rod body and is fixed to the outer side of an oral cavity or a chin of a patient, and thus the stability of the rod body is improved.

A device for administering fluid compositions includes a housing having a first end with an opening. The housing includes a compartment, proximate to the first end, that is capable of holding a liquid reservoir that is at least partially filled with a fluid. The device includes an air pump positioned within the housing, at a second end. The device includes an actuator positioned between the compartment and the air pump. The actuator includes an extendible piston that is configured to extend laterally toward the compartment. During device operation, the actuator causes the piston to extend towards the liquid reservoir and exert a force on the liquid reservoir. The force causes the fluid to be expelled from the liquid reservoir at the first end. The air pump is configured to atomize the fluid at the first end as it is expelled from the liquid reservoir.

An apparatus for treating dry eye, comprising composition chambers respectively containing a first composition and a second composition, wherein the first composition includes 95%-100% of aqueous substances and the second composition includes 95-100% volume of non-aqueous substances; and an air pump that is fluidically connected to the composition chambers and sequentially generates and propels the mists of the first composition and the second composition to a surface that corresponds to a cornea of an eye. The first mist, including droplets of the one or more aqueous substances forms a first film layer that corresponds to an aqueous layer of an artificial tear film, the second mist has a volume within a range of 0.1-3 microliters, and includes droplets of the one or more non-aqueous substances forms a second film layer that corresponds to a lipid layer of the artificial tear film with a thickness within a range of 10 nm-200 nm.

The application is directed to a mesh nebulizer and related system including a dosing unit for providing a predetermined amount of a therapeutic agent, wherein the therapeutic agent is delivered in a portion container to be opened by pressure. The dosing unit comprises an uptake chamber with a dosing opening for dispensing the therapeutic agent, an opening for inserting a portion container and a locking body for the opening. The locking body is adapted to be moved from an open position in which the locking body releases the opening to a closed position in which the locking body closes the opening. The locking body is further adapted to be moved from the closed position to a drainage position in which the locking body applies pressure to the portion container to open the portion container and release the therapeutic agent.

A pressurized nebulizer includes a nozzle, a peristaltic pump, and an elastic braided hose. The peristaltic pump includes a fixing part, a mating part, a rotating base and a roller. When the mating part and the fixing part are in a closed state, the elastic braided hose is arranged between the mating part and the fixing part, and between the mating part and the roller. An output end of the elastic braided hose is connected with the nozzle. The roller in the working stroke has a limit position of extruding the elastic braided hose to a limit state, a minimum clearance formed between the roller and the mating part is 1.5 T≤P≤1.9 T, where T denotes a unilateral wall thickness of the elastic braided hose, and P denotes the minimum clearance. The nebulizer can avoids liquid contact contamination, provide a stable output and have accurate accuracy.

A spray canister device includes a canister element containing a sprayable solution and a sleeved cover element. The sleeved cover element includes a sleeve portion having a first end and a second end opposite the first end, a handle grip extending from the second end of the sleeve portion, a projection extending from the sleeve portion, the projection disposed on a side of the sleeve portion opposite from the handle grip, and a cap portion extending form the first end of the sleeve portion. The cap portion having a body portion, a cut-out portion including an opening configured to spray the solution, and a channel disposed within the body portion. The channel forming a conduit between an outlet of the canister device and the opening.

A method and apparatus is provided for spraying a solution, such as a cleaning solution a barrier material, out of a spray canister device to a surface area of a human body. The spray canister device generally includes a removable sleeved cover element covering an inner canister element. The spray canister device with the removable sleeved cover is easy to carry and easy to spray, and can be handled manually or functions together with other devices.

A medical device is provided for irrigation of a patient wound site. The device contains a tube having a proximal portion adapted to receive an irrigation solution, a distal portion having a nozzle and an intermediate portion for transporting the solution. The tube has a barrel portion that may be manipulated by a user to position the device relative to the wound site. A distinctive nozzle has a body formed with a distally leading channel presenting a semispherical first spatial conformation and a proximally leading opening formed in the body presenting a second spatial conformation intersecting the semispherical terminus. This geometry, derived from principles of flow mechanics discussed herein, defines what will be described as an “effective diameter” of the nozzle. An assembly and system utilizing the device am also disclosed. The invention utilizes a fluid-isolating durable peristaltic pump for a continuous flow of irrigation solution, along with a single use tube set that embodies the device.

An atomization device includes a liquid storing member that stores a liquid therein, a carrier detachably assembled to the liquid storing member, an opener disposed on at least one of the liquid storing member and the carrier, and an atomizing module that is assembled to at least one of the liquid storing member and the carrier. The opener is configured to form an opening on the liquid storing member. The atomization device has a buffering chamber arranged between the atomizing module and the opening of the liquid storing member, and a volume of the buffering chamber is less than a volume of the liquid. The liquid storing member can be pressed to change an inner pressure thereof, such that a part of the liquid is driven to flow from the opening into the buffering chamber for an atomizing process of the atomizing module. The buffering chamber can receive the liquid stored in the liquid storing member over multiple times, such that the atomization device can atomize the liquid over multiple times through the buffering chamber.

The present invention is directed to a device for the expression of a hemostatic powder having an elongated reservoir with a manual air pump, such as a bellows, at a proximal end and an expression port at a distal end. A porous filter is slidably disposed within the reservoir between the bellows and plunger and the expression port, and a spring is disposed within the reservoir between the air pump and the plunger. The powder is disposed within the reservoir between the porous filter and the expression port, and the pump is in a fluid communication with the expression port through the porous filter and through the powder.