AU733995B2

AU733995B2 - An improved device for administering orally or nasally the powdered or volatile composition by inhalation

Info

Publication number: AU733995B2
Application number: AU33266/97A
Authority: AU
Inventors: Xerxes Rao
Original assignee: Cipla Ltd
Current assignee: Cipla Ltd
Priority date: 1996-10-01
Filing date: 1997-08-11
Publication date: 2001-05-31
Anticipated expiration: 2017-08-11
Also published as: DE19742994A1; ZA976764B; AU3326697A; DE19742994B4; IN188288B

Description

1

AUSTRALIA

Patents Act 1990 COMPLETE SPECIFICATION FOR A STANDARD PATENT Name of Applicant: Actual Inventor: Address for Service: CIPLA LIMITED XERXES RAO CULLEN CO., Patent Trade Mark Attorneys, 240 Queen Street, Brisbane, Qld. 4000, Australia.

AN IMPROVED DEVICE FOR ADMINISTERING ORALLY OR NASALLY THE POWDERED OR VOLATILE COMPOSITION BY INHALATION Invention Title: The following statement is a full description of this invention, including the best method of performing it known to us la This invention related to an improved device for administerint orally or nasally the powdered or volatile composition by inhalation.

Device for administering of powdered or volatile compositions are well-known. Inhalation of powdered or volatile composition is through mouth or nostril. The device therefore, is required to be adaptable for inhalation by mouth or nostril. The compositions in case of powder are supplied in gelatin containers which are inserted into the device and opened in some suitable way after which inhalation through the mouthpiece will cause the composition to be released from the container and pass into the human body.

Containers containing such compositions are constructed in two parts and generally of gelatin and are of elongated shape. The compositions in powdered form are filled and two parts of the containers are sealed together at the contacting portions with the help of inter-lockin, 15 rib and groove arrangements. The inhalation devices for use with such containers normally have a chamber arranged to receive a container containing powdered composition. At least one air inlet aperture lead into the chamber in a generally transversal direction and air from the chamber is inhaled through a nozzle. The air inlet aperture is so arranged that the air flow caused by inhalation through the nozzle will cause the contents of an opened container within the chamber to be released and withdrawn throu-h the nozzle Ihdian Patent Specification No. 154870 provides, a device comprising a body shell defining a portion ofa chamber which has a nozzle at a forward end and which is open at the rear end, a sleeve fitted on the outside of the body shell and rotatable with respect to it and having a rear wall closing the open rear end of the chamber, a container retaining means extending through the rear wall of the sleeve into the chamber and having an external entry opening for a container at the rear of the sleeve, an abutment fixed inside the chamber in such a position with respect to the g container retaining means that a container retained-in the retaining means 10 and projecting from it into the chamber will engage the abutment when the sleeve is rotated with respect to the body shell thereby to separate the projecting portion of the container from the remainder of the container. a guard for preventing the separated portion of the container from passing through the nozzle and an air inlet opening extending through the rear wall 15 of the sleeve into the chamber. A stopper limit the rotation of the sleeve with respect to the body shell.

In the device disclosed in the Indian Patent Specification No 154870 the container retaining means is provided on the rear wall of the sleeve, and container positioned in it is faces the nozzle at the forward end of the chamber. Since, the container positioned in the container retaining means is facing the nozzle, the inhalation- of composition in the container positioned in the device is in direct line, which may cause entering of the composition excessive, defeating the object of administering compositions by inhalation.

The principal object of the present invention is to have the open end of the container positioned in the device, when opened. faces rear wall. so that the composition in it can travel to into the nozzle taking a turn.

and thereby to achieve the maximum effect of object of administration of composition by inhalation.

According to the present invention, an improved device for administering orally or nasally the powdered or volatile composition by inhalation comprising a body shell defining a chamber there within having a nozzle or mouthpiece at a forward end and which is open at the rear end: a sleeve fitted into the inside of the said body shell and rotatable with respect to it and having a rear wall closing the open rear end of the said chamber, a container retaining means in juxtaposition with the said nozzle and extending through the front wall of the said shell body into the said chamber; an abutment fixed inside the said sleeve in such a position with 15 respect to the container retaining means that the container retained in the retaining means and projecting from it into the chamber will engage the abutment when the sleeve is rotated with respect to the body shell separating the projecting portion of the container from the remainder portion: a guard for preventing the separated portion of the container from passing through the nozzle; and an air inlet opening extending through the said front wall of the shell body into the said chamber The invention will now be described in detail with reference to the accompanying illustrative drawings, wherein Figure 1 is sectional elevation of a device according to the invention.

Figure 2 is an exploded elevation.

Figure 3 is a sleeve to be fitted into the inside of the body, and Figure 4 is a plan of sleeve shown in Figure 3.

Referring to the illustrations in the accompanying drawings, an .•improved device for administering orally or nasally the powdered or :volatile composition by inhalation comprises of a body shell 10 defining a position of a chamber 12. 14 is a nozzle or mouthpiece at a forward end of the body shell 10. The chamber 12 in the body shell 10 is open at the rear end. 16 is a sleeve fitted into the inside of the body shell 10. Sleeve 16 is rotatable with respect to the body shell 10 and has rear wall 18 closing the open rear end of the chamber 12. 20 is a container retaining ooooo OV means in the form of a tube arranged at, and extending, through the fiont end wall of the body shell 10 which is in juxtaposition with the nozzle or mouthpiece 14, into the chamber 12 and having an external entry opening for a container at the shell body 10. 22 is an abutment fixed inside the sleeve 16 in such a position with respect to the container retaining means that the container 24 retained in the retaining means 20 which projects from it into the shell body 10 will engage the abutment 22 when the sleeve 16 is rotated with respect to the body shell 10 thereby separating tlhe projecting portion 24A of the container 24 trom tile remainder 24B. 26 is guard for preventing the separated portion 24A of tle container 24 flrom passing through the nozzle or mouthpiece 14. 28 is an air inlet opening extending through the front wall of the body shell 10 into the chamber 12.

The abutment 22 may be in the form of a fin or rib is fixed to the inside of the sleeve 16, and the container retaining means 20 are so disposed with respect to each other that when the body of a container which is inserted into the tube like container retaining means 20 projects 10 from the retaining means into the chamber 12. the projecting portion of the e container will engage a side of the fin or rib when the sleeve 16 is rotated with respect to the body shell thereby to separate the two parts of a container. The projecting portion of the container which is separated from the remainder portion remains in the tube like retaining means 28 are air inlet openings, opening into the chamber 12 on the front wall of the shell body 10 and surrounding the tube like retaining means 2( When air is aspirated by a person through the nozzle or mouthpiece 14 the container portion separated from the remainder of the container and disposed in the chamber 12 gets agitated. which serves to empit composition from the separated container bodv In the device envisaged according to tihe present invention, the all through the air inlet openings 28 on the front wall of the shell bodv III 6 carrying composition in the chamber 12 travel in the directio farw*h taking a U turn.

In a preferred embodiment of the invention. the nozzle oi mouthpiece 14 and the guard 26 are integFral with the body shell

Claims

2. An improved device for administering orally or nasally the powdered or volatile composition by inhalation as claimed in claim I and as the described herein with reference to illustrations in the accompanying drawings DATED this llth day of August 1997 CIPLA LIMITED By their Patent Attorneys CULLEN CO.