JP5172955B2 - 直径が縮小された心臓補助用軸回転ポンプ - Google Patents
直径が縮小された心臓補助用軸回転ポンプ Download PDFInfo
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- JP5172955B2 JP5172955B2 JP2010511731A JP2010511731A JP5172955B2 JP 5172955 B2 JP5172955 B2 JP 5172955B2 JP 2010511731 A JP2010511731 A JP 2010511731A JP 2010511731 A JP2010511731 A JP 2010511731A JP 5172955 B2 JP5172955 B2 JP 5172955B2
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- 230000000747 cardiac effect Effects 0.000 title description 2
- 230000017531 blood circulation Effects 0.000 claims description 35
- 239000008280 blood Substances 0.000 claims description 18
- 210000004369 blood Anatomy 0.000 claims description 18
- 238000002513 implantation Methods 0.000 claims description 6
- 230000002792 vascular Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 description 15
- 206010018910 Haemolysis Diseases 0.000 description 5
- 230000008588 hemolysis Effects 0.000 description 5
- 206010019280 Heart failures Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 208000007536 Thrombosis Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002612 cardiopulmonary effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000012977 invasive surgical procedure Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 210000001562 sternum Anatomy 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 208000019269 advanced heart failure Diseases 0.000 description 1
- 238000002266 amputation Methods 0.000 description 1
- 210000002376 aorta thoracic Anatomy 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 230000005182 global health Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000005240 left ventricle Anatomy 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000001732 thrombotic effect Effects 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000002861 ventricular Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/818—Bearings
- A61M60/824—Hydrodynamic or fluid film bearings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
- A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
- A61M60/237—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly axial components, e.g. axial flow pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/422—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being electromagnetic, e.g. using canned motor pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/857—Implantable blood tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
Description
該ポンプは、
(a)長尺ケーシングであって、該ケーシングの一端の血液入口と、該入口とは、軸方向で離れている血液出口と、前記入口から前記出口への実質的に軸方向である血流路とを含んでおり、さらに電動モーターステーターを含んでいる長尺ケーシングと、
(b)前記ケーシングの内部に適合するように設置される長尺管状回転要素であって、該管状回転要素の外面と、前記ケーシングの内面との間には、隙間が存在し、前記管状回転要素は、前記電動モーターステーターによって駆動される電動モーターローター部分を含んでおり、前記管状回転要素の内側に沿って実質的に軸方向である一次血流路が存在している長尺管状回転要素と、
(c)前記一次血流路に沿って血液を送り込むため、ポンプチャンバー内に設置される回転インペラーと、
を含んでおり、前記インペラーは、前記ローター部分から軸方向に隔てられて前記ポンプチャンバーと、前記ローター部分との間に、軸方向にオフセットしたスペースを設け、前記ポンプチャンバーは、前記管状回転要素の内径よりも大きな内径を有していることを特徴とする軸流回転ポンプが提供される。
外方ケーシング1のモーターステーター部分4と、内方回転要素7のモーターローター部分10の間の放射方向空間、
外方ケーシング1の閉鎖末端25と、内方回転要素7の近接末端の間の軸方向空間、および、
内方回転要素7の中心貫通孔26、である。
Claims (1)
- ヒトの心臓または血管系中に埋め込むための軸流回転ポンプであって、
該ポンプは、
(a)長尺ケーシングであって、該ケーシングの一端の血液入口と、該入口とは、軸方向で離れている血液出口と、前記入口から前記出口への実質的に軸方向である血流路とを含んでおり、さらに電動モーターステーターを含んでいる長尺ケーシングと、
(b)前記ケーシングの内部に適合するように設置される長尺管状回転要素であって、該管状回転要素の外面と、前記ケーシングの内面との間には、隙間が存在し、前記管状回転要素は、前記電動モーターステーターによって駆動される電動モーターローター部分を含んでおり、前記管状回転要素の内側に沿って実質的に軸方向である一次血流路が存在している長尺管状回転要素と、
(c)前記一次血流路に沿って血液を送り込むため、ポンプチャンバー内に設置される回転インペラーと、
を含んでおり、前記インペラーは、前記ローター部分から軸方向に隔てられて前記ポンプチャンバーと、前記ローター部分との間に、軸方向にオフセットしたスペースを設け、前記ポンプチャンバーは、前記管状回転要素の内径よりも大きな内径を有していることを特徴とする軸流回転ポンプ。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0711479.6 | 2007-06-14 | ||
GB0711479A GB0711479D0 (en) | 2007-06-14 | 2007-06-14 | Minaturised pump |
GB0711598.3 | 2007-06-15 | ||
GB0711598A GB0711598D0 (en) | 2007-06-15 | 2007-06-15 | Miniaturised pump |
PCT/GB2008/050439 WO2008152425A1 (en) | 2007-06-14 | 2008-06-12 | Reduced diameter axial rotary pump for cardiac assist |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010528797A JP2010528797A (ja) | 2010-08-26 |
JP2010528797A5 JP2010528797A5 (ja) | 2011-07-21 |
JP5172955B2 true JP5172955B2 (ja) | 2013-03-27 |
Family
ID=39776373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010511731A Active JP5172955B2 (ja) | 2007-06-14 | 2008-06-12 | 直径が縮小された心臓補助用軸回転ポンプ |
Country Status (6)
Country | Link |
---|---|
US (1) | US8731664B2 (ja) |
EP (1) | EP2167158B1 (ja) |
JP (1) | JP5172955B2 (ja) |
CN (1) | CN101715352B (ja) |
BR (1) | BRPI0812940A2 (ja) |
WO (1) | WO2008152425A1 (ja) |
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2008
- 2008-06-12 EP EP08762549.7A patent/EP2167158B1/en active Active
- 2008-06-12 CN CN2008800201022A patent/CN101715352B/zh active Active
- 2008-06-12 BR BRPI0812940A patent/BRPI0812940A2/pt not_active IP Right Cessation
- 2008-06-12 WO PCT/GB2008/050439 patent/WO2008152425A1/en active Application Filing
- 2008-06-12 US US12/664,163 patent/US8731664B2/en active Active
- 2008-06-12 JP JP2010511731A patent/JP5172955B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US8731664B2 (en) | 2014-05-20 |
CN101715352B (zh) | 2013-11-06 |
EP2167158A1 (en) | 2010-03-31 |
US20100174131A1 (en) | 2010-07-08 |
JP2010528797A (ja) | 2010-08-26 |
WO2008152425A1 (en) | 2008-12-18 |
BRPI0812940A2 (pt) | 2017-05-23 |
CN101715352A (zh) | 2010-05-26 |
EP2167158B1 (en) | 2016-03-16 |
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