CA2517236A1 - Pompe a sang a structure d'appui en tronc de cone - Google Patents
Pompe a sang a structure d'appui en tronc de cone Download PDFInfo
- Publication number
- CA2517236A1 CA2517236A1 CA002517236A CA2517236A CA2517236A1 CA 2517236 A1 CA2517236 A1 CA 2517236A1 CA 002517236 A CA002517236 A CA 002517236A CA 2517236 A CA2517236 A CA 2517236A CA 2517236 A1 CA2517236 A1 CA 2517236A1
- Authority
- CA
- Canada
- Prior art keywords
- frusto
- outflow
- conical
- blood pump
- blood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 210000004369 blood Anatomy 0.000 title claims abstract description 182
- 239000008280 blood Substances 0.000 title claims abstract description 182
- 230000007423 decrease Effects 0.000 claims abstract description 15
- 230000017531 blood circulation Effects 0.000 claims description 55
- 238000004804 winding Methods 0.000 claims description 39
- 230000001133 acceleration Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000007914 intraventricular administration Methods 0.000 description 47
- 210000002216 heart Anatomy 0.000 description 27
- 210000005240 left ventricle Anatomy 0.000 description 14
- 210000001765 aortic valve Anatomy 0.000 description 13
- 238000002156 mixing Methods 0.000 description 13
- 238000005304 joining Methods 0.000 description 12
- 206010018910 Haemolysis Diseases 0.000 description 11
- 230000008588 hemolysis Effects 0.000 description 11
- 238000013461 design Methods 0.000 description 10
- 238000005086 pumping Methods 0.000 description 10
- 239000008186 active pharmaceutical agent Substances 0.000 description 9
- 206010019280 Heart failures Diseases 0.000 description 7
- 208000007536 Thrombosis Diseases 0.000 description 7
- 230000008901 benefit Effects 0.000 description 7
- 230000035602 clotting Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000002054 transplantation Methods 0.000 description 5
- 230000002861 ventricular Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 210000000601 blood cell Anatomy 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 210000003743 erythrocyte Anatomy 0.000 description 4
- 230000000004 hemodynamic effect Effects 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 206010007559 Cardiac failure congestive Diseases 0.000 description 3
- 210000000038 chest Anatomy 0.000 description 3
- 230000004087 circulation Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000541 pulsatile effect Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 2
- 102000003839 Human Proteins Human genes 0.000 description 2
- 108090000144 Human Proteins Proteins 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 239000000560 biocompatible material Substances 0.000 description 2
- 230000000747 cardiac effect Effects 0.000 description 2
- 230000005779 cell damage Effects 0.000 description 2
- 208000037887 cell injury Diseases 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000002651 drug therapy Methods 0.000 description 2
- 229960002897 heparin Drugs 0.000 description 2
- 229920000669 heparin Polymers 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 210000004165 myocardium Anatomy 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 208000031229 Cardiomyopathies Diseases 0.000 description 1
- 206010056370 Congestive cardiomyopathy Diseases 0.000 description 1
- 208000009378 Low Cardiac Output Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000010100 anticoagulation Effects 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 206010007625 cardiogenic shock Diseases 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 201000011304 dilated cardiomyopathy 1A Diseases 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000010247 heart contraction Effects 0.000 description 1
- 210000003709 heart valve Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000035488 systolic blood pressure Effects 0.000 description 1
- 239000012207 thread-locking agent Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/047—Bearings hydrostatic; hydrodynamic
-
- 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
- A61M60/17—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon 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
- A61M60/10—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
- A61M60/17—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps
- A61M60/174—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps discharging the blood to the ventricle or arterial system via a cannula internal to the ventricle or arterial system
-
- 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
- A61M60/221—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having both radial and axial components, e.g. mixed 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
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/804—Impellers
- A61M60/806—Vanes or blades
-
- 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
- A61M60/80—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
- A61M60/825—Contact bearings, e.g. ball-and-cup or pivot 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
- A61M60/80—Constructional details other than related to driving
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/871—Energy supply devices; Converters therefor
- A61M60/873—Energy supply devices; Converters therefor specially adapted for wireless or transcutaneous energy transfer [TET], e.g. inductive charging
-
- 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
- A61M60/871—Energy supply devices; Converters therefor
- A61M60/876—Implantable batteries
-
- 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
- A61M60/871—Energy supply devices; Converters therefor
- A61M60/88—Percutaneous cables
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Mechanical Engineering (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- External Artificial Organs (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002517236A CA2517236A1 (fr) | 2003-05-13 | 2004-05-13 | Pompe a sang a structure d'appui en tronc de cone |
| CA002525161A CA2525161A1 (fr) | 2003-05-13 | 2004-05-13 | Pompe a sang a double canal d'entrees |
| CA002522773A CA2522773A1 (fr) | 2003-05-13 | 2004-05-13 | Pompe a sang a structure d'appui en tronc de cone |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002428741A CA2428741A1 (fr) | 2003-05-13 | 2003-05-13 | Pompe a sang helicocentrifuge a double canal d'entree |
| CA2,428,741 | 2003-05-13 | ||
| CA002517236A CA2517236A1 (fr) | 2003-05-13 | 2004-05-13 | Pompe a sang a structure d'appui en tronc de cone |
| PCT/CA2004/000714 WO2004101029A1 (fr) | 2003-05-13 | 2004-05-13 | Pompe à sang à structure d'appui en tronc de cône |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002522773A Division CA2522773A1 (fr) | 2003-05-13 | 2004-05-13 | Pompe a sang a structure d'appui en tronc de cone |
| CA002525161A Division CA2525161A1 (fr) | 2003-05-13 | 2004-05-13 | Pompe a sang a double canal d'entrees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2517236A1 true CA2517236A1 (fr) | 2004-11-25 |
Family
ID=35311271
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002517236A Abandoned CA2517236A1 (fr) | 2003-05-13 | 2004-05-13 | Pompe a sang a structure d'appui en tronc de cone |
| CA002525161A Abandoned CA2525161A1 (fr) | 2003-05-13 | 2004-05-13 | Pompe a sang a double canal d'entrees |
| CA002522773A Abandoned CA2522773A1 (fr) | 2003-05-13 | 2004-05-13 | Pompe a sang a structure d'appui en tronc de cone |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002525161A Abandoned CA2525161A1 (fr) | 2003-05-13 | 2004-05-13 | Pompe a sang a double canal d'entrees |
| CA002522773A Abandoned CA2522773A1 (fr) | 2003-05-13 | 2004-05-13 | Pompe a sang a structure d'appui en tronc de cone |
Country Status (1)
| Country | Link |
|---|---|
| CA (3) | CA2517236A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3130624A1 (fr) * | 2021-12-21 | 2023-06-23 | Fineheart | Pompe cardiaque intraventriculaire à tête rétrécie. |
-
2004
- 2004-05-13 CA CA002517236A patent/CA2517236A1/fr not_active Abandoned
- 2004-05-13 CA CA002525161A patent/CA2525161A1/fr not_active Abandoned
- 2004-05-13 CA CA002522773A patent/CA2522773A1/fr not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3130624A1 (fr) * | 2021-12-21 | 2023-06-23 | Fineheart | Pompe cardiaque intraventriculaire à tête rétrécie. |
| WO2023117368A1 (fr) * | 2021-12-21 | 2023-06-29 | Fineheart | Pompe cardiaque intraventriculaire à tête rétrécie |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2522773A1 (fr) | 2004-11-25 |
| CA2525161A1 (fr) | 2004-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |