JP2005095603A5 - - Google Patents

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Publication number
JP2005095603A5
JP2005095603A5 JP2004241288A JP2004241288A JP2005095603A5 JP 2005095603 A5 JP2005095603 A5 JP 2005095603A5 JP 2004241288 A JP2004241288 A JP 2004241288A JP 2004241288 A JP2004241288 A JP 2004241288A JP 2005095603 A5 JP2005095603 A5 JP 2005095603A5
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JP
Japan
Prior art keywords
catheter
pressure
lumen
ventricle
pressure sensor
Prior art date
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Application number
JP2004241288A
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English (en)
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JP4744827B2 (ja
JP2005095603A (ja
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Publication date
Priority claimed from US10/646,108 external-priority patent/US20050043670A1/en
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Publication of JP2005095603A publication Critical patent/JP2005095603A/ja
Publication of JP2005095603A5 publication Critical patent/JP2005095603A5/ja
Application granted granted Critical
Publication of JP4744827B2 publication Critical patent/JP4744827B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (4)

  1. 細長いカテーテルを備えた圧力センサ装置であって、
    前記カテーテルが、
    内部を流れる流体を受容するように適合された第１の内腔と、
    流体が封入され、流体不透過性の密閉された別の第２の内腔とを含み、
    前記第２の内腔が、外部圧力源にさらされるように適合された感圧要素とその感圧要素の変位に応答して前記外部圧力源の圧力を測定できる圧力センサとの間に延在することを特徴とする圧力センサ装置。
  2. 細長い部材を備えた脳室カテーテルであって、
    前記細長い部材が、
    内部を流れる流体を受容するように適合された第１の内腔と、
    前記カテーテルの先端部に配設された可撓性の膜に接続された圧力センサを有する、流体が封入された第２の内腔とを含み、
    前記可撓性の膜が、前記脳室内の圧力を直接測定できるように、前記カテーテルが患者の脳室内に移植された時に脳室内の圧力の変化に応答するように適合されていることを特徴とする脳室カテーテル。
  3. 脳室内の圧力を測定するための方法であって、
    内部を流れる流体を受容するように適合された第１の内腔、並びに患者の脳室の圧力変動に応答するように適合された先端側の感圧部材と前記圧力変動を測定するように適合された基端側の圧力センサとの間に延在する流体が封入された流体不浸透性の第２の内腔を備えた脳室カテーテルを用意するステップと、
    前記感圧部材が前記脳室内に配設され、前記圧力センサが前記脳室の外部に配置されるように、前記脳室カテーテルを患者の脳室内に移植するステップと、
    前記患者の脳室内の少なくとも１つの圧力の値を得るステップとを含むことを特徴とする方法。
  4. 脳室内圧力センサ装置を製造するための方法であって、
    内部を流れる流体を受容するように適合された第１の内腔と、基端側の圧力センサとカテーテルの側壁に形成された開口に連通した先端部との間に延在する第２の内腔とを有する前記カテーテルを形成するステップと、
    前記カテーテルの前記第２の内腔を流体で満たすステップと、
    前記カテーテルの前記側壁に形成された前記開口にわたって溶剤系シリコーン溶液をスプレーして、前記カテーテルの前記第２の内腔内の前記流体を封入する可撓性の膜を形成す
JP2004241288A 2003-08-22 2004-08-20 圧力センサ装置、脳室カテーテル、及び、脳室内圧力センサ装置を製造するための方法 Expired - Fee Related JP4744827B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US646108 2003-08-22
US10/646,108 US20050043670A1 (en) 2003-08-22 2003-08-22 Intra-ventricular pressure sensing catheter

Publications (3)

Publication Number Publication Date
JP2005095603A JP2005095603A (ja) 2005-04-14
JP2005095603A5 true JP2005095603A5 (ja) 2010-10-14
JP4744827B2 JP4744827B2 (ja) 2011-08-10

Family

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JP2004241288A Expired - Fee Related JP4744827B2 (ja) 2003-08-22 2004-08-20 圧力センサ装置、脳室カテーテル、及び、脳室内圧力センサ装置を製造するための方法

Country Status (7)

Country Link
US (1) US20050043670A1 (ja)
EP (1) EP1514512A1 (ja)
JP (1) JP4744827B2 (ja)
AU (2) AU2004205167A1 (ja)
BR (1) BRPI0403460A (ja)
CA (1) CA2477981A1 (ja)
CO (1) CO5570116A1 (ja)

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