CA2271833C - Pompe a sang ne comportant pas de palier ni de joint - Google Patents
Pompe a sang ne comportant pas de palier ni de joint Download PDFInfo
- Publication number
- CA2271833C CA2271833C CA002271833A CA2271833A CA2271833C CA 2271833 C CA2271833 C CA 2271833C CA 002271833 A CA002271833 A CA 002271833A CA 2271833 A CA2271833 A CA 2271833A CA 2271833 C CA2271833 C CA 2271833C
- Authority
- CA
- Canada
- Prior art keywords
- rotor
- pump
- pumping chamber
- fluid
- axis
- 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.)
- Expired - Fee Related
Links
- 239000008280 blood Substances 0.000 title claims abstract description 22
- 210000004369 blood Anatomy 0.000 title claims abstract description 22
- 239000012530 fluid Substances 0.000 claims abstract description 52
- 238000005086 pumping Methods 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 230000004323 axial length Effects 0.000 claims description 9
- 230000009977 dual effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 6
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005339 levitation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 239000000560 biocompatible material Substances 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001453 nonthrombogenic effect Effects 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 210000001147 pulmonary artery Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
- 230000002861 ventricular Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
Abstract
L'invention concerne une pompe (10) servant au transfert de liquides fragiles et agressifs tels que du sang humain et comprenant une chambre de pompage (12) ainsi que deux orifices d'entrée de fluide (16, 17) placés sur les côtés opposés de la chambre et un ou plusieurs orifices de sortie (18, 19) placés transversalement et en position médiane par rapport aux orifices d'entrée. Un rotor (20) est placé à l'intérieur de la chambre de pompage qui présente une configuration à deux cônes convergeant vers des régions d'extrémité polaires (21, 22) opposées, l'axe de rotation s'étendant entre les régions polaires. Le rotor comprend des aimants (24) qui sont disposés dans des emplacements espacés radialement, un dispositif d'entraînement magnétique étant placé de façon à fournir l'énergie d'entraînement en rotation au rotor. Ledit rotor (20) est seulement soutenu par les forces hydrodynamiques agissant sur lui pendant son fonctionnement, le corps du rotor ayant une densité relative correspondant à entre 10 % et 90 % de la densité relative du fluide pompé.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US1997/006205 WO1998046879A1 (fr) | 1995-06-01 | 1997-04-14 | Pompe a sang ne comportant pas de palier ni de joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2271833A1 CA2271833A1 (fr) | 1998-10-22 |
| CA2271833C true CA2271833C (fr) | 2003-12-02 |
Family
ID=29709395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002271833A Expired - Fee Related CA2271833C (fr) | 1997-04-14 | 1997-04-14 | Pompe a sang ne comportant pas de palier ni de joint |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | ATE292241T1 (fr) |
| CA (1) | CA2271833C (fr) |
| DE (1) | DE69732924D1 (fr) |
-
1997
- 1997-04-14 DE DE69732924T patent/DE69732924D1/de not_active Expired - Fee Related
- 1997-04-14 AT AT97921190T patent/ATE292241T1/de not_active IP Right Cessation
- 1997-04-14 CA CA002271833A patent/CA2271833C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2271833A1 (fr) | 1998-10-22 |
| ATE292241T1 (de) | 2005-04-15 |
| HK1031413A1 (en) | 2001-06-15 |
| DE69732924D1 (de) | 2005-05-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20130415 |