JP6628317B2 - 螺旋熱交換経路を有する患者の温度制御カテーテル、およびその製造方法 - Google Patents
螺旋熱交換経路を有する患者の温度制御カテーテル、およびその製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims 8
- 239000012530 fluid Substances 0.000 claims description 175
- 238000004891 communication Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 15
- 239000012781 shape memory material Substances 0.000 claims description 10
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims description 4
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 4
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- 238000010586 diagram Methods 0.000 description 7
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 239000000523 sample Substances 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000037361 pathway Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 208000010496 Heart Arrest Diseases 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 208000030886 Traumatic Brain injury Diseases 0.000 description 2
- 230000036031 hyperthermia Effects 0.000 description 2
- 230000002631 hypothermal effect Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 201000006474 Brain Ischemia Diseases 0.000 description 1
- 206010008111 Cerebral haemorrhage Diseases 0.000 description 1
- 206010021113 Hypothermia Diseases 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 208000032851 Subarachnoid Hemorrhage Diseases 0.000 description 1
- 206010000891 acute myocardial infarction Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- -1 but not limited to Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 210000004013 groin Anatomy 0.000 description 1
- 238000009220 hypothermia therapy Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000020658 intracerebral hemorrhage Diseases 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 208000010125 myocardial infarction Diseases 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 208000020431 spinal cord injury Diseases 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009529 traumatic brain injury Effects 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
- 210000005166 vasculature Anatomy 0.000 description 1
- 210000001631 vena cava inferior Anatomy 0.000 description 1
- 210000002620 vena cava superior Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/12—Devices for heating or cooling internal body cavities
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/12—Devices for heating or cooling internal body cavities
- A61F2007/126—Devices for heating or cooling internal body cavities for invasive application, e.g. for introducing into blood vessels
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Description
[項目1]
カテーテルであって、
作動流体のソースと通じる作動流体供給経路と、
上記作動流体供給経路から上記作動流体のソースへ上記作動流体を戻すために、上記作動流体供給経路と通じる作動流体戻り経路と、を備え、
上記作動流体供給経路及び上記作動流体戻り経路の少なくとも1つは、上記カテーテルの遠位熱交換領域に含まれ、上記遠位熱交換領域は、第1の螺旋経路及び第2の螺旋経路を含み、かつ形状記憶材料からなる、カテーテル。
[項目2]
上記形状記憶材料は、ニチノールである項目1に記載のカテーテル。
[項目3]
上記第1の螺旋経路及び上記第2の螺旋経路は、二重螺旋構造を実現するために互いに重複する項目1に記載のカテーテル。
[項目4]
上記第1の螺旋経路及び上記第2の螺旋経路は、互いに重複しない項目1に記載のカテーテル。
[項目5]
上記第1の螺旋経路は、上記作動流体供給経路にある項目1に記載のカテーテル。
[項目6]
上記第1の螺旋経路及び上記第2の螺旋経路は、上記作動流体供給経路にある項目1に記載のカテーテル。
[項目7]
上記第1の螺旋経路は、上記作動流体戻り経路にある項目1に記載のカテーテル。
[項目8]
上記第1の螺旋経路及び上記第2の螺旋経路は、上記作動流体戻り経路にある項目1に記載のカテーテル。
[項目9]
方法であって、
少なくとも部分的にカテーテルを規定し、かつ作動流体のソースと通じる作動流体供給経路を提供することと、
上記作動流体供給経路から上記作動流体のソースへ上記作動流体を戻すために、少なくとも部分的に上記カテーテルを規定し、かつ上記作動流体供給経路と通じる作動流体戻り経路を提供することと、を含み、
上記作動流体供給経路及び上記作動流体戻り経路の少なくとも1つは、上記カテーテルの遠位熱交換領域に含まれ、上記遠位熱交換領域は、第1の螺旋経路及び第2の螺旋経路を含む、方法。
[項目10]
上記遠位熱交換領域は、形状記憶材料からなる項目9に記載の方法。
[項目11]
上記第1の螺旋経路及び上記第2の螺旋経路は、二重螺旋構造を実現するために互いに重複する項目9に記載の方法。
[項目12]
上記第1の螺旋経路及び上記第2の螺旋経路は、互いに重複しない項目9に記載の方法。
[項目13]
上記第1の螺旋経路は、上記作動流体供給経路にある項目9に記載の方法。
[項目14]
上記第1の螺旋経路及び上記第2の螺旋経路は、上記作動流体供給経路にある項目9に記載の方法。
[項目15]
上記第1の螺旋経路は、上記作動流体戻り経路にある項目9に記載の方法。
[項目16]
上記第1の螺旋経路及び上記第2の螺旋経路は、上記作動流体戻り経路にある項目9に記載の方法。
[項目17]
カテーテルであって、
作動流体のソースと通じる作動流体供給経路と、
上記作動流体供給経路から上記作動流体のソースへ上記作動流体を戻すために、上記作動流体供給経路と通じる作動流体戻り経路と、を備え、
上記作動流体供給経路及び上記作動流体戻り経路の少なくとも1つは、上記カテーテルの熱交換領域に含まれ、上記熱交換領域は、複数の螺旋経路を含む、カテーテル。
[項目18]
上記螺旋経路は、高次螺旋を実現する項目17に記載のカテーテル。
[項目19]
上記螺旋経路は、円筒状である項目17に記載のカテーテル。
[項目20]
上記螺旋経路は、円錐形状である項目17に記載のカテーテル。
Claims (11)
- カテーテルであって、
作動流体のソースと通じる作動流体供給経路と、
前記作動流体供給経路から前記作動流体のソースへ前記作動流体を戻すために、前記作動流体供給経路と通じる作動流体戻り経路と、
前記作動流体供給経路及び前記作動流体戻り経路を含む、前記カテーテルの遠位熱交換領域と、を備え、
前記遠位熱交換領域は、それぞれが鋭角で屈曲する第1の螺旋経路及び第2の螺旋経路を含み、かつ形状記憶材料からなり、前記作動流体供給経路は前記第1の螺旋経路を含み、前記作動流体戻り経路は前記第2の螺旋経路を含み、
前記第1の螺旋経路及び前記第2の螺旋経路は、互いに向かい合う第1の螺旋経路の屈曲端と第2の螺旋経路の屈曲端とを結ぶ間隔が、前記遠位熱交換領域の端部に向かって徐々に小さくなるように形成され、
前記遠位熱交換領域の基端側において、前記作動流体供給経路及び前記作動流体戻り経路は、互いに非同軸で配置され、
前記第1の螺旋経路及び前記第2の螺旋経路の2つの螺旋経路同士の間の間隔のうちの最も幅の広い部分は、前記遠位熱交換領域の基端側における前記作動流体供給経路及び前記作動流体戻り経路の間の間隔よりも広い、カテーテル。 - 前記形状記憶材料は、ニチノールである請求項1に記載のカテーテル。
- 前記第1の螺旋経路及び前記第2の螺旋経路は、二重螺旋構造を実現するために互いに重複する請求項1または2に記載のカテーテル。
- 前記第1の螺旋経路及び前記第2の螺旋経路は、互いに重複しない請求項1または2に記載のカテーテル。
- カテーテルの製造方法であって、
少なくとも部分的に前記カテーテルを規定し、かつ作動流体のソースと通じる作動流体供給経路を提供することと、
前記作動流体供給経路から前記作動流体のソースへ前記作動流体を戻すために、少なくとも部分的に前記カテーテルを規定し、かつ前記作動流体供給経路と通じる作動流体戻り経路を提供することと、を含み、
前記作動流体供給経路及び前記作動流体戻り経路の少なくとも1つは、前記カテーテルの遠位熱交換領域に含まれ、前記遠位熱交換領域は、それぞれが鋭角で屈曲する第1の螺旋経路及び第2の螺旋経路を含み、
前記第1の螺旋経路及び前記第2の螺旋経路は、互いに向かい合う第1の螺旋経路の屈曲端と第2の螺旋経路の屈曲端とを結ぶ間隔が、前記遠位熱交換領域の先端に向かって徐々に小さくなるように形成され、
前記第1の螺旋経路及び前記第2の螺旋経路は、二重螺旋構造を実現するために互いに重複する、製造方法。 - 前記遠位熱交換領域は、形状記憶材料からなる請求項5に記載の製造方法。
- 前記第1の螺旋経路は、前記作動流体供給経路にある請求項5または6に記載の製造方法。
- 前記第1の螺旋経路及び前記第2の螺旋経路は、前記作動流体供給経路にある請求項5または6に記載の製造方法。
- 前記第1の螺旋経路は、前記作動流体戻り経路にある請求項5または6に記載の製造方法。
- 前記第1の螺旋経路及び前記第2の螺旋経路は、前記作動流体戻り経路にある請求項5または6に記載の製造方法。
- カテーテルであって、
作動流体のソースと通じる作動流体供給経路と、
前記作動流体供給経路から前記作動流体のソースへ前記作動流体を戻すために、前記作動流体供給経路と通じる作動流体戻り経路と、を備え、
前記作動流体供給経路及び前記作動流体戻り経路の少なくとも1つは、前記カテーテルの熱交換領域に含まれ、前記熱交換領域は、それぞれが鋭角で屈曲する複数の螺旋経路を含み、
前記複数の螺旋経路は、互いに向かい合う螺旋経路の屈曲端と螺旋経路の屈曲端とを結ぶ間隔が、前記熱交換領域の先端に向かって徐々に小さくなるように形成され、
前記熱交換領域の基端側において、前記作動流体供給経路及び前記作動流体戻り経路は、互いに非同軸で配置され、前記螺旋経路は、高次螺旋を実現する、カテーテル。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/247,073 US10045881B2 (en) | 2011-09-28 | 2011-09-28 | Patient temperature control catheter with helical heat exchange paths |
US13/247,073 | 2011-09-28 |
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JP2014533602A Division JP2014531277A (ja) | 2011-09-28 | 2012-09-18 | 螺旋熱交換経路を有する患者の温度制御カテーテル |
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JP2017018625A JP2017018625A (ja) | 2017-01-26 |
JP6628317B2 true JP6628317B2 (ja) | 2020-01-08 |
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JP2014533602A Pending JP2014531277A (ja) | 2011-09-28 | 2012-09-18 | 螺旋熱交換経路を有する患者の温度制御カテーテル |
JP2016175568A Active JP6628317B2 (ja) | 2011-09-28 | 2016-09-08 | 螺旋熱交換経路を有する患者の温度制御カテーテル、およびその製造方法 |
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US (2) | US10045881B2 (ja) |
EP (1) | EP2760393A4 (ja) |
JP (2) | JP2014531277A (ja) |
WO (1) | WO2013048815A1 (ja) |
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US10792185B2 (en) | 2014-02-14 | 2020-10-06 | Zoll Circulation, Inc. | Fluid cassette with polymeric membranes and integral inlet and outlet tubes for patient heat exchange system |
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2011
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EP2760393A1 (en) | 2014-08-06 |
US20130079855A1 (en) | 2013-03-28 |
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US20180338858A1 (en) | 2018-11-29 |
US10045881B2 (en) | 2018-08-14 |
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