The present invention relates to a medical device for intranasal delivery of a medicament. The medicament may be any type of medicament suitable for nasal administration and delivery in the form of a spray. The present invention ensures that a complete dosage of the medicament is delivered, especially to specific areas in the nasal cavity, such as the rear of the nasal cavity where the SPG is located.

A respiratory device of negative pressure type comprising a shell fastened to the user's chest and/or abdomen with minimal dead space, one or more vacuum and compressed air chambers attached to the shell; vacuum generating and compressed air generating sources connected to the vacuum and compressed air chambers respectively, one or more openings on the shell to allow exchange of the air enclosed between shell and user's body, with the vacuum and compressed air chambers; a valve shuttling between the vacuum and compressed air chambers. By having low dead space, pre-generated vacuum and compressed air close to the user, and the use of fast acting valves in some embodiments, the power requirement, weight, and size are reduced, making the device low cost and portable. In some embodiments, the vacuum and compressed air generating sources can be mounted on the shell itself, making the device ambulatory.

A respiratory device of negative pressure type comprising a shell fastened to the user's chest and/or abdomen with minimal dead space, one or more vacuum and compressed air chambers attached to the shell; vacuum generating and compressed air generating sources connected to the vacuum and compressed air chambers respectively, one or more openings on the shell to allow exchange of the air enclosed between shell and user's body, with the vacuum and compressed air chambers; a valve shuttling between the vacuum and compressed air chambers. By having low dead space, pre-generated vacuum and compressed air close to the user, and the use of fast acting valves in some embodiments, the power requirement, weight, and size are reduced, making the device low cost and portable. In some embodiments, the vacuum and compressed air generating sources can be mounted on the shell itself, making the device ambulatory.

A cap and container assembly is disclosed which may be used for human body cavity irrigation or other liquid dispensing activities. The cap may include a first channel extending from a base through a neck portion to an opening in a tip portion of the cap. A side body defining a second channel may extend from the first channel near the neck portion of the cap to an opening at a distal end of the side body. An axial dimension of the tip portion may extend at an angle relative to an axial dimension of the neck portion. Liquid may flow out of the first channel under the influence of gravity and as a result of control of air flow into the second channel.

A cap and container assembly is disclosed which may be used for human body cavity irrigation or other liquid dispensing activities. The cap may include a first channel extending from a base through a neck portion to an opening in a tip portion of the cap. A side body defining a second channel may extend from the first channel near the neck portion of the cap to an opening at a distal end of the side body. An axial dimension of the tip portion may extend at an angle relative to an axial dimension of the neck portion. Liquid may flow out of the first channel under the influence of gravity and as a result of control of air flow into the second channel.

Methods and devices for providing liquids to nasal and/or paranasal cavities are disclosed. Probe portions of a first and of a second probe are introduced to a user's first and second nostril, respectively. Each probe has a primary channel and a secondary channel. Fluid is provided to the secondary channels to expand the expandable portions of the secondary channels, seal the nostril openings and expand alar sidewalls of the nostrils. This may reveal ducts that lead to the paranasal cavities. The liquid is provided through the primary channels to the nasal cavity, the liquid being disposed to reach and stimulate the soft palate, and may trigger a swallow reflex to raise the soft palate and exert pressure to the liquid, the liquid may find an escape route through the ducts and into the paranasal cavities.

A device, a system and a method are provided to accurately apply a medically beneficial substance directly to a laterally or superiorly located paranasal sinus cavity. When the device is assembled with a solution in a reservoir, and inverted such that the reservoir is above an input apparatus and a housing, weight of the solution pushes down on a diaphragm creating a negative pressure on the diaphragm, which prevents air from entering the reservoir and prevents a liquid from flowing out of the reservoir. Applying a positive pressure to a bottom of the diaphragm causes the diaphragm to open and allows air to flow into the reservoir. When a user creates the positive pressure by exhaling air into the device the act of exhaling causes the user's choana to close. Thereby any solution introduced into the user's sino-nasal cavity will remain contained within the user's sino-nasal cavity increasing effectiveness of treatment and decreasing user discomfort including gagging, choking, and inner ear disturbance. When the positive pressure on the bottom of the diaphragm is removed, the flow of the liquid from the reservoir stops.

A device, a system and a method are provided to accurately apply a medically beneficial substance directly to a laterally or superiorly located paranasal sinus cavity. When the device is assembled with a solution in a reservoir, and inverted such that the reservoir is above an input apparatus and a housing, weight of the solution pushes down on a diaphragm creating a negative pressure on the diaphragm, which prevents air from entering the reservoir and prevents a liquid from flowing out of the reservoir. Applying a positive pressure to a bottom of the diaphragm causes the diaphragm to open and allows air to flow into the reservoir. When a user creates the positive pressure by exhaling air into the device the act of exhaling causes the user's choana to close. Thereby any solution introduced into the user's sino-nasal cavity will remain contained within the user's sino-nasal cavity increasing effectiveness of treatment and decreasing user discomfort including gagging, choking, and inner ear disturbance. When the positive pressure on the bottom of the diaphragm is removed, the flow of the liquid from the reservoir stops.

An apparatus for rinsing sinuses or eyes, comprising a hand crushable container containing saline solution, and a dispenser configured to make a liquid tight seal with the container at one end, and a liquid tight seal with a nostril or an eye socket at the other end.

Disposable nasal liquid dispenser device for dispensing a controlled quantity of a liquid solution into the nasal cavities and/or paranasal sinuses of a user, comprising: a liquid solution holding cylinder (1), said cylinder containing a quantity of liquid solution to be dispensed and comprising two cannulas (2) for dispensing the liquid solution into both nasal cavities simultaneously; two resilient nostril plugs (4) designed to seal the nostrils upon application therein, and comprising a discharge orifice (5) and coupling means (6) configured to be mounted on said cannulas (2); a piston (7) comprising elastic piston seals to offer sealing on the liquid solution holding cylinder (1) and designed to slide in an axial direction relative to said cylinder; and an actuator (8) configured to move the piston along the inside of the cylinder (1) upon manual actuation of a user.