JP2011078801A5 - - Google Patents

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JP2011078801A5
JP2011078801A5 JP2010257038A JP2010257038A JP2011078801A5 JP 2011078801 A5 JP2011078801 A5 JP 2011078801A5 JP 2010257038 A JP2010257038 A JP 2010257038A JP 2010257038 A JP2010257038 A JP 2010257038A JP 2011078801 A5 JP2011078801 A5 JP 2011078801A5
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piston
fluid
cavity
valve
proximal
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Pending
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JP2010257038A
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JP2011078801A (ja
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Priority claimed from US09/460,050 external-priority patent/US6302101B1/en
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Publication of JP2011078801A publication Critical patent/JP2011078801A/ja
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図29Aに示されたポンプの好適な実施形態を継続し、流体出口弁7024は、外側ノズル部分7006と、弾性外被部分7300の相補的なリング部分7029へ半径方向突起7030を介して固定された剛性の内側ノズル部分7004との境界によって画定される。外側ノズル部分7006は、ノズル部分の基端から先端へ長手軸線に沿って減少する半径方向厚さを有している。ポンプ7000が包囲位置にある時に、ピストン7001は剛性の内側ノズル部分7004の基端部分7007に当接する。ポンプ7000の動作中において、ピストンが基端部分7007に関して最初に引っ込められる時に、キャビティ(又は、ポンプ通路)7018が基端部分7007とピストン7001の前端との間に区画形成される。さらに、外側オリフィス7011は、キャビティ7018と流体出口弁7024との間の流体連通路を提供する。
ポンプ7000の動作は、図8(A)〜(E)に示す動作と実質的に同じで良い。図29Aに示されたピストン7001の包囲位置からの剛性の内側ノズル部分7004の基端部分7007から離間するピストンの相対動作は、基端部分7007とピストン7001の前端との間の空間によって区画形成されるキャビティ7018内の吸引又は押下げをもたらす。基端部分7007から離間するピストン7001の最大相対動作は、予め確定されている。ピストン7001のフランジ7002がスロット7015の後方に位置する時に、流体連通路がスロット7015を介して実現され、キャビティ7018内の押下げが、前方ベローズ部分7022及び前方スリーブ部分7014との間に区画形成された周囲キャビティ7008からキャビティへ流体を引き入れる。ポンプピストン7001が基端部分7007に関して後方に動かされるこの”充填”段階中において、前方ベローズ部分7022は伸張し、後方ベローズ部分7023は収縮する。
流体放出段階中において、ピストン7001は、前方ベローズ部分7022及び後方ベローズ部分7023のばね作用によって前方へ押される。前方フランジ7002が細長いスロット7015の前方へ動かされる時に、キャビティ7018内の流体はピストン7001の前方への動作によって圧縮され、圧縮流体は流体出口弁7024へ出口オリフィス7011を通り流れる。十分な流体圧力が流体出口弁7024にもたらされる時に、外側ノズル部分7006は、流体を通過させるために剛性の内側ノズル部分7004から離間する。外側ノズル部分7006が、ノズル部分の後方又は基端から前方又は先端へ長手軸線に沿って減少する半径方向厚さを有するために、流体出口弁7024の前方部分は弁の基端部分が最初に開放される時には閉鎖されており、流体が弁7024を通過すると、弁の基端部分は、弁7024の前方部分が流体を放出するために開放される時までに閉鎖される。流体放出段階の完了時において、ピストン7001、前方ベローズ部分7022、及び、後方ベローズ部分7023は、図29Aに示された包囲位置へ戻される。
JP2010257038A 1999-12-14 2010-11-17 薬剤を鼻腔に供給する装置及び方法 Pending JP2011078801A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/460,050 US6302101B1 (en) 1999-12-14 1999-12-14 System and method for application of medicament into the nasal passage

Related Parent Applications (1)

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JP2001544930A Division JP4680463B2 (ja) 1999-12-14 2000-12-11 薬剤を鼻腔に供給する装置及び方法

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JP2011078801A JP2011078801A (ja) 2011-04-21
JP2011078801A5 true JP2011078801A5 (ja) 2013-11-28

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JP2001544930A Expired - Fee Related JP4680463B2 (ja) 1999-12-14 2000-12-11 薬剤を鼻腔に供給する装置及び方法
JP2010257038A Pending JP2011078801A (ja) 1999-12-14 2010-11-17 薬剤を鼻腔に供給する装置及び方法

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US (2) US6302101B1 (ja)
EP (3) EP2263725A1 (ja)
JP (2) JP4680463B2 (ja)
KR (1) KR20020060265A (ja)
AU (1) AU2084401A (ja)
CA (1) CA2394559C (ja)
DE (1) DE60042560D1 (ja)
ES (1) ES2328219T3 (ja)
WO (1) WO2001043794A2 (ja)

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