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US 7,726,308 B1Granted
Apparatus and method for respiratory drug delivery
OwnerMaurino Florainventor
Life of this patent
Estimating the term…
Abstract
Apparatus and method for respiratory drug delivery using cartridge containing drug and propellant. User inserts cartridge into body of apparatus and activates a mechanism for opening drug compartment and propellant compartment, resulting in mixing and de-agglomeration of drug for respiratory delivery.
Claims17
A cartridge comprising:
- a puncture resistant flexible cover;
- a drug compartment containing a single dose of a drug;
- and
- a propellant compartment containing a propellant in a quantity suitable for aerosolizing the single dose of the drug, the propellant compartment being partly enveloped within the cover to prevent puncture of the propellant compartment during aerosolizing;
- wherein the drug compartment and propellant compartment are joined by a common membrane, and the drug compartment is capable of being broken or pierced to eject the single dose of the drug from the cartridge during aerosolizing such that the drug is made available for delivery.
2 more elements
A system for respiratory delivery of a drug contained in a cartridge, the system comprising:
- a cartridge comprising a drug compartment containing a single dose of a drug, and a propellant compartment containing a propellant in a quantity suitable for aerosolizing the single dose of the drug, wherein the drug compartment and propellant compartment are joined by a common membrane;
- a cartridge holder for holding the cartridge, the holder having a holder thread;
- and
- a body with a pierce tubing, the body having a body thread, wherein engagement of the holder thread to the body thread positions the pierce tubing for consecutive piercing of first the drug compartment and second the propellant compartment through the common membrane.
1 more element
A system for respiratory delivery of a drug contained in a cartridge, the system comprising:
- a cartridge comprising a drug compartment containing a single dose of a drug, a propellant compartment containing a propellant in a quantity suitable for aerosolizing the single dose of the drug, and a chaser compartment containing a chaser, wherein the drug compartment and propellant compartment are joined by a common membrane, and wherein the chaser compartment is joined to the propellant compartment by a chaser-propellant membrane;
- a cartridge holder for holding the cartridge, the holder having a holder thread;
- and a body with a pierce tubing, the body having a body thread, wherein engagement of the holder thread to the body thread positions the pierce tubing for consecutive piercing of first the drug compartment, second the propellant compartment through the common membrane, and third the chaser compartment through the chaser-propellant membrane.
A respiratory drug delivery system, comprising:
- a propellant tank of a fixed volume for containing a propellant in a quantity suitable for aerosolizing the single dose of a drug, the propellant tank having a filling valve and a release valve;
- and
- a drug chamber for holding the single dose of the drug, the drug chamber being in fluid communication to the release valve of the propellant tank, the drug compartment also having a drug ejection opening, such that opening the release valve of a pressurized tank causes the propellant to flow through the drug chamber and ejects aerosolized drug through the drug ejection opening.
Dependencies are inferred from the claim text.