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Air flow adapter for dry breathing inhaler
专利权人:
Norton Healthcare Limited
发明人:
Blair, Julian Alexander,Buck, Daniel,Hazenberg, Jan Geert,Zeng, Xian-Ming
申请号:
ES12196742
公开号:
ES2620803T3
申请日:
2010.11.05
申请国别(地区):
ES
年份:
2017
代理人:
摘要:
A deagglomerator (400; 500; 701) for a dry powder inhaler powered by breathing, comprising the deagglomerator (400; 500; 701): An internal wall (412; 512) defining a turbulence chamber (414; 514) extending along a longitudinal axis (A, B) from a first end (418; 518) to a second end (420; 520); at least one inlet port (424; 425; 524; 525) on the inner wall (412; 512) of the turbulence chamber (414; 514) adjacent to the first end of the turbulence chamber (414; 514) that provides a fluid communication between an area outside the deagglomerator (400; 500; 701) and the first end (418; 518) of the turbulence chamber (414; 514), and which directs the air flow to the turbulence chamber in a transverse direction; an exit port (432; 530); an adapter (100; 200; 300; 501; 601; 702) of the air flow; wherein the adapter (100; 200; 300; 501; 601; 702) of the air flow provides a fluid communication between the outlet port (432; 530) and an area outside the deagglomerator (400, 500; 701) and the outlet port (432; 530) provides fluid communication between the second end (420; 520) and the adapter (100; 200; 300; 501; 601; 702) of the air flow; and wherein the adapter (100; 200; 300; 501; 601; 702) of the air flow comprises at least one diverting port (102-105; 204-206; 304-306; 502-505; 603-606) of the turbulence chamber to allow air to flow from a proximal end of the adapter (100; 200; 300; 501; 601; 702) of the air flow to a distal end of the adapter (100; 200; 300; 501; 601 ; 702) of the air flow independently of the turbulence chamber (414; 514) when a low pressure produced by the breath is applied to the distal end of the adapter (100; 200; 300; 501; 601; 702) of the air flow ; and characterized in that the deagglomerator further comprises a port (422; 522) for supplying dry powder at the first end (418; 518) of the turbulence chamber (414; 514) to provide a fluid communication between a delivery passage of Dry powder from an inhaler and the first end (418; 518) of the turbulen
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