Medicament carrier for dry powder inhalator
First Claim
1. A medicament carrier for use in a dry powder inhalator device comprising a carrier having at least one carrier screen portion defining a plurality of interstices therein and loaded with at least one dose of powdered medicament particles of predetermined particulate size, wherein the powdered medicament particles are loaded onto the carrier screen portion surface from a suspension of the medicament particles and suspending agent and the suspending agent is evaporated such that the interstices of the carrier screen portion surface are at least partially open and free of the powdered medicament particles.
1 Assignment
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Accused Products
Abstract
A medicament carrier for use in a dry powder inhalator device wherein the medicament carrier has at least one carrier screen portion. The carrier screen portion defines a plurality of interstices therein and carries a powdered medicament which is loaded onto the carrier screen portion surface such that the interstices of the carrier screen portion at least partially open and free of the dry powdered medicament.
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Citations
10 Claims
- 1. A medicament carrier for use in a dry powder inhalator device comprising a carrier having at least one carrier screen portion defining a plurality of interstices therein and loaded with at least one dose of powdered medicament particles of predetermined particulate size, wherein the powdered medicament particles are loaded onto the carrier screen portion surface from a suspension of the medicament particles and suspending agent and the suspending agent is evaporated such that the interstices of the carrier screen portion surface are at least partially open and free of the powdered medicament particles.
- 8. A medicament carrier for use in a dry powder inhalator device comprising a carrier having at least one carrier portion comprising two spaced apart screens wherein each defines a plurality of substantially spherical substrate elements positioned between said screens and loaded with at least one dose of powdered medicament particles of predetermined particulate size from a suspension of the medicament particles and suspending agent and the suspending agent is evaporated, wherein the powdered medicament particles are removed from the spherical substrate elements and entrained in an air flow introduced through the two spaced apart screens.
Specification