A61M15/0013

Inhalers and related methods

An inhaler housing (14) for an inhaler (10) for inhaling inhalable substances, the inhaler having: a body (14) and a dose counter (24) with a return spring (28), wherein a distinct guide surface (162) is provided for guiding the end of the return spring into a recess (152), the distinct guide surface being wider than an entrance mouth (160) of the recess, a dose counter chamber (22) being provided which is separated from a tubular interior space (182) of the inhaler by a barrier (180), the barrier including a stepped upper wall area (184) including at least three steps (186, 188, 190, 192) at different levels, the inhaler having a valve stem block (62) having an inner bore and a valve stem block having a seal (224) in the inner bore with a second diameter which is smaller than a first diameter of the inner bore, the inhaler having a canister (150) being adapted to move during operation between 1 and 4 mm, a drive being arranged to apply a firing force of between 15 N and 60 N of force to the canister at a position of the canister relative to a valve stem (54) at which the canister fires.

COMBINATION SPIROMETER-INHALER
20210402110 · 2021-12-30 ·

Various spirometer-inhaler systems and devices are disclosed. The spirometer-inhaler system may estimate physiological parameters of a user based on the user's inhaled and/or exhaled breaths received by the spirometer-inhaler device. The spirometer-inhaler device may comprise one or more flow paths. A first flow path may direct medication from a medicine canister to an opening of the device. A second flow path may direct a user's exhaled breath from the opening of the device to one or more flow measurement devices.

PRODUCT DELIVERY DEVICES AND METHODS
20220168516 · 2022-06-02 ·

Devices, and methods for generating variable inhalable products (e.g., variable density, phase, and size products) are provided. Methods for treating or preventing a disorder in a subject using variable products generated by the devices are also provided herein. Additionally, inhalers and breathing systems comprising the devices are provided.

DEVICE FOR THE INHALATION-SYNCHRONIZED DISPENSING OF A FLUID PRODUCT

A device having a body (10), a reservoir (100) mounted to slide axially relative to the body, a metering valve (200) on the reservoir (100), a blocking element (500), a trigger element (600), an inhalation-controlled trigger system (60) cooperating with the trigger element, an actuating member (800) cooperating with the blocking element, a cover (11) fixed on the body, a push member (810) fastened tot actuating member (800) and mounted to slide axially in the cover, and a spring (850) between the cover and the push member. Before inhalation, the push member is out of contact with the reservoir, such that the force exerted on the push member by the spring is not transmitted to the reservoir, and during inhalation, the push member moves axially with the actuating member so as to come into contact with the reservoir and move it axially in the body to actuate said valve.

Intranasal administration

A delivery device for and method of modulating a condition relating to social cognition and/or behaviour in a human subject using oxytocin, non-peptide agonists thereof and/or antagonists thereof, comprising: providing a nosepiece to a first nasal cavity of the subject; and providing a supply unit for administering less than 24 IU of oxytocin, non-peptide agonists thereof and/or antagonists thereof through the nosepiece to an upper region posterior of the nasal valve which is innervated by the trigeminal nerve.

Flexible pumping chamber
11717620 · 2023-08-08 · ·

The invention relates to the field of inhalation devices for liquids. In particular, the invention relates to a pumping chamber for such an inhalation device. A pumping unit for an inhalation device for medically active liquids for generation of an aerosol comprises a tubular member (1), a check valve (2), and a counter piece, said counter piece being configured to receive at least a downstream segment of said tubular member (1) and having an interior volume, wherein upstream of said tubular member (1), a reservoir (4) can be fluidically connected with said tubular member (1), and downstream of said counter piece, a nozzle unit (6) can be fluidically connected with said counter piece, and wherein the tubular member (1) comprises an upstream section, a downstream section, and the check valve (2) which is positioned between the upstream section and the downstream section, such that a pumping chamber with a pumping chamber volume is defined which comprises the volume of the downstream section of the tubular member (1) and said interior volume of the counter piece, and wherein tubular member (1) and the counter piece can move relatively to one another, such that the pumping chamber volume is variable. The tubular member (1) comprises at least two mechanically distinct parts (1A, 1B), wherein a first part (1A) provides said upstream section, and a second part (1B) provides said downstream section, and the first part (1A) and the second part (1B) are connected to each other such as to form an interface section (1C) serving as a valve chamber (2B) for the valve (2).

Method and device for vaporization and inhalation of isolated substances

A dose unit including at least one isolated bioactive agent applied on a carrier material in thermal contact with an electrically heating element configured to vaporize a pre-determined amount of the agent for pulmonary delivery thereof is provided herein, as well as devices for effecting vaporization and pulmonary delivery of the isolated agent, and methods for preparing the dose unit, controllably releasing the agent therefrom, methods for pulmonary delivery thereof and methods of treatment of medical conditions treatable by pulmonary delivery of the isolated bioactive agent.

Dry powder inhalers with partial dosage delivery

A dry powder inhaler dispenses a partial dosage of a powder from a dry powder chamber during a single user inhalation. In certain embodiments, the dry powder chamber is a dry powder capsule that spins in a chamber with a protrusion for limiting the spin of the capsule. In certain embodiments, a capsule slides in a proximal and distal direction for dispensing partial dosages of powder medicament. Air inlets in communication whit the external environment can be included in the inhaler housing for generating a smooth inhalation experience for the user and facilitating operation of partial dosage mechanisms. In other embodiments, a hinged member, sliding member, rotating member, spring tensioned member, pressure actuated valve, dry powder chamber with patterned holes or combinations of these are used as a mechanism for dispensing a partial dosage of powder medicament during a single inhalation.

Dose delivery device for inhalation
11224704 · 2022-01-18 · ·

Methods and devices for delivering a dose, such as a medicament, for inhalation. A dose may be stored by a delivery device and dispersed and delivered in a metered fashion to a subject, such as by the subject inhaling via a mouthpiece of the delivery device. One or more chambers of the device may have a toroidal shape and may be arranged to be selectively opened for fluid communication with a flow path of the delivery device, such as by sliding the chamber relative to a portion of the flow path. The flow path may include a restriction that permits air to bypass the chamber, and/or the chamber may be arranged so that fluid entering the chamber interacts with fluid exiting the chamber so as to enhance dispersion of the dose.

DEVICES AND METHODS FOR DELIVERING A SUBSTANCE TO A BODY CAVITY UTILIZING BLOW-FILL-SEAL TECHNOLOGY
20210346615 · 2021-11-11 · ·

A device is provided for delivering one or more substances within at least one body cavity. The device includes at least one pierceable vial comprising V.sub.sub [ml or mg] of the substances; the vial having at least one fluid discharging outlet port, configured for placement in proximity to the body cavity. The pierceable vial is configured to interface in a sealable manner with at least one pressurized fluid at volume V.sub.PF [ml] and pressure P.sub.PF [barg]. The device, upon actuation, permits the pressurized fluid to enter into the pierceable vial via the at least one fluid inlet port, entrains the substances, and delivers the substances through the fluid discharging outlet port to within the body cavity in the form of at least one selected from a group consisting of drops, droplets, stream, aerosol and any combination thereof.