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    Bead or particle manipulating chucks
    4.
    发明专利
    Bead or particle manipulating chucks 未知

    公开(公告)号：NZ517300A

    公开(公告)日：2003-11-28

    申请号：NZ51730000

    申请日：2000-09-11

    Applicant: DELSYS PHARMACEUTICAL CORP

    Inventor： SUN HOI CHEONG ,  SINGH BAWA ,  RIVENBURG HOWARDCHRISTOPHER

    IPC: H02N13/00 ,  H02N1/00

    Abstract: Provided is a method of moving a charged particle from a first position at which it is retained by a first electrode to a second position at which it is retained by a second electrode, the method comprising: applying a potential to the second electrode to attract the particle; and applying a potential to a guide electrode offset from the particle at the first position, wherein the applied potential is effective to reduce the attraction of the particle to the first position sufficiently to allow the potential applied at the second electrode to be effective to move the particle from the first position to the second position.

    Medicament dry powder inhaler dispensing device
    7.
    发明专利
    Medicament dry powder inhaler dispensing device 未知

    公开(公告)号：AU2668999A

    公开(公告)日：1999-09-20

    申请号：AU2668999

    申请日：1999-02-10

    Applicant: DELSYS PHARMACEUTICAL CORP

    Inventor： MCGINN JOSEPH T ,  CHRAI SUGGI S ,  BRYCKI BOGDAN ,  SINGH BAWA ,  COYLE PETER ,  SANTONASTASO GARY ,  SUN HOI CHEONG

    IPC: A61M15/00 ,  A61M15/02

    Abstract: An inhaler disc cartridge comprises a carrier disc with radially outwardly extending resilient fingers, each with a medicament powder dosage. A sealing disc and an indexing ring are bonded to the disc. A cam sequentially and manually deflects a selected finger causing it to snap against an anvil to release the dosage by momentum energy transfer. In other embodiments, a cassette includes a carrier substrate reel of deposited powder dosages with a dosage sealing tape. The substrate comprises a belt with a plurality of transversely extending triangular fingers, each finger tip with a dosage thereon. Each finger is snapped in sequence against an anvil while a clamp secures the belt as the fingers are deflected. The spring fingers are corrugated in one embodiment cooperating with an anvil having channels and a device for inducing agglomeration breakup air streams through the channels. Other embodiments are for impact deflection of a dosage carrying substrate in a cartridge or cassette against an anvil to release the dosages.

    8.
    发明专利
    未知

    公开(公告)号：DE69913727D1

    公开(公告)日：2004-01-29

    申请号：DE69913727

    申请日：1999-10-25

    Applicant: DELSYS PHARMACEUTICAL CORP

    Inventor： CHRAI S ,  MCGINN THOMAS ,  SINGH BAWA

    IPC: A61J3/00 ,  A61J7/00 ,  A61K9/00 ,  A61M15/00 ,  A61M15/02 ,  B05D1/06 ,  B05D1/04

    Abstract: A dry powder, for example, a medicament for an inhaler, comprises elongated particles with an aspect ratio sufficient to cause the particles to be bound to a preferably metal or non-metallic sheet material substrate at the particle tips by electrostatic deposition and for aligning a plurality of particles with their major axes aligned normal to the substrate and oriented tip-to-tip. Particles deposited form a low density, high relative void deposition to minimize attractive forces between the particles. This minimizes agglomeration and bonding forces to the substrate facilitating the release of a powdered medicament in an inhaler. Medicament dosages in a substrate pocket are covered by a sealing layer. An embodiment of a drug dosage inhaler substrate and inhaler is disclosed.

    Medicament dry powder inhaler dispensing device
    10.
    发明专利
    Medicament dry powder inhaler dispensing device 未知

    公开(公告)号：NZ506640A

    公开(公告)日：2003-01-31

    申请号：NZ50664099

    申请日：1999-02-10

    Applicant: DELSYS PHARMACEUTICAL CORP

    Inventor： MCGINN JOSEPH T ,  CHRAI SUGGI S ,  BRYCKI BOGDAN ,  SINGH BAWA ,  COYLE PETER ,  SANTONASTASO GARY ,  SUN HOI CHEONG

    IPC: A61M15/00 ,  A61M15/02

    Abstract: An inhaler disc cartridge comprises a carrier disc with radially outwardly extending resilient fingers, each with a medicament powder dosage. A sealing disc and an indexing ring are bonded to the disc. A cam sequentially and manually deflects a selected finger causing it to snap against an anvil to release the dosage by momentum energy transfer. In other embodiments, a cassette includes a carrier substrate reel of deposited powder dosages with a dosage sealing tape. The substrate comprises a belt with a plurality of transversely extending triangular fingers, each finger tip with a dosage thereon. Each finger is snapped in sequence against an anvil while a clamp secures the belt as the fingers are deflected. The spring fingers are corrugated in one embodiment cooperating with an anvil having channels and a device for inducing agglomeration breakup air streams through the channels. Other embodiments are for impact deflection of a dosage carrying substrate in a cartridge or cassette against an anvil to release the dosages.

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