Rotation drive device and centrifugal pump apparatus employing same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F04D-013/06
F04D-025/06
H02K-049/10
H02K-007/09
F04D-029/048
H02K-021/16
H02K-021/22
H02K-021/24
H02K-003/52
H02K-005/128
H02K-005/22
H02K-007/14
H02K-019/10
F04D-025/02
H02K-001/27
H02K-003/28
A61M-001/10
A61M-001/12
출원번호
US-0034730
(2013-09-24)
등록번호
US-9850906
(2017-12-26)
우선권정보
JP-2011-070286 (2011-03-28)
발명자
/ 주소
Ozaki, Takayoshi
Yamada, Hiroyuki
Sugiura, Ken
Mori, Takehisa
Tsubouchi, Takeshi
출원인 / 주소
TC1 LLC
대리인 / 주소
Kilpatrick Townsend & Stockton LLP
인용정보
피인용 횟수 :
0인용 특허 :
290
초록▼
This centrifugal blood pump apparatus includes an impeller (10) provided in a blood chamber (7), and a plurality of coils (20) provided in a motor chamber (8) for driving the impeller (10) to rotate with a dividing wall (6) interposed therebetween. A flexible substrate (23) in the shape of a strip i
This centrifugal blood pump apparatus includes an impeller (10) provided in a blood chamber (7), and a plurality of coils (20) provided in a motor chamber (8) for driving the impeller (10) to rotate with a dividing wall (6) interposed therebetween. A flexible substrate (23) in the shape of a strip is arranged to surround outer circumferences of the plurality of coils (20), and is connected to the plurality of coils (20) and a connector (24). A driving voltage (VU, VV, VW) is externally supplied to the plurality of coils (20) via the connector (24) and the flexible substrate (23). Thus, assembling workability, productivity and reliability are improved.
대표청구항▼
1. A rotation drive device comprising: a rotor in a first chamber, wherein said rotor is an impeller for delivering fluid by centrifugal force during rotation; andsaid drive unit including: a plurality of first magnetic elements provided facing said rotor,a plurality of coils wound around said plura
1. A rotation drive device comprising: a rotor in a first chamber, wherein said rotor is an impeller for delivering fluid by centrifugal force during rotation; andsaid drive unit including: a plurality of first magnetic elements provided facing said rotor,a plurality of coils wound around said plurality of first magnetic elements, respectively, for generating a rotating magnetic field,a connector for externally receiving a driving voltage, anda flexible substrate connected to said plurality of coils and said connector, wherein: said flexible substrate comprises a wiring pattern for supplying said driving voltage externally provided via said connector to said plurality of coils,said flexible substrate comprises a strip which has a length at least partially arranged to surround the outer circumferences of said plurality of coils, andsaid flexible substrate comprises a plurality of electrodes connected with said plurality of coils, wherein said plurality of electrodes are arranged in pairs which are located along said length, each pair comprising two electrodes located side-by-side in an axial direction of the drive unit at a common distance along said length, and each pair of electrodes connected with two leads from one of the plurality of coils. 2. The rotation drive device according to claim 1, wherein said rotor includes a plurality of first permanent magnets,each first permanent magnet is magnetized in a direction orthogonal to a rotation direction of said rotor,the magnetic polarities of adjacent ones of said first permanent magnets oppose each other, andsaid plurality of first magnetic elements are arranged to face said plurality of first permanent magnets. 3. The rotation drive device according to claim 2, wherein said rotor further includes a plurality of second permanent magnets,said plurality of second permanent magnets are interposed between said plurality of first permanent magnets, respectively,each second permanent magnet is magnetized in the rotation direction of said rotor,each second permanent magnet has a first magnetic polarity at a first end toward one of two first permanent magnets adjacent thereto having a first magnetic polarity toward said rotor, andeach second permanent magnet has a second magnetic polarity at a second end toward one of two first permanent magnets adjacent thereto having a second magnetic polarity toward said rotor. 4. The rotation drive device according to claim 1, wherein said rotor and said drive unit are spaced apart from each other in a direction in which a rotation central axis of said rotor extends, andsaid plurality of first magnetic elements are aligned in a rotation direction of said rotor. 5. The rotation drive device according to claim 4, wherein said flexible substrate is at least partially arranged cylindrically to surround the outer circumferences of said plurality of coils, with a plurality of clearances formed between an inner circumferential surface of said flexible substrate and outer circumferential surfaces of said plurality of coils, andsaid plurality of electrodes are arranged in a dispersed manner in said flexible substrate so as to be positioned in said plurality of clearances. 6. The rotation drive device according to claim 5, wherein said flexible substrate in the shape of a strip includes a plurality of bent portions on one side or both sides in a width direction of said flexible substrate,said plurality of bent portions are arranged in a dispersed manner in a length direction of said flexible substrate so as to be positioned in said plurality of clearances, each bent portion being bent into the corresponding clearance, andsaid plurality of electrodes are formed in said plurality of bent portions. 7. The rotation drive device according to claim 4, wherein said plurality of electrodes are aligned in a length direction of said flexible substrate, andeach electrode is provided in a substantially central portion in a width direction of said flexible substrate. 8. The rotation drive device according to claim 4, wherein said flexible substrate is at least partially arranged in a corrugated shape along the outer circumferences of said plurality of coils, with a plurality of recesses formed on an outer side of said flexible substrate,said flexible substrate in the shape of a strip includes a plurality of bent portions on one side or both sides in a width direction of said flexible substrate,said plurality of bent portions are arranged in a dispersed manner in a length direction of said flexible substrate so as to be positioned in said plurality of recesses, each bent portion being bent into the corresponding recess, andsaid plurality of electrodes are arranged in a dispersed manner in said plurality of bent portions. 9. The rotation drive device according to claim 4, wherein said flexible substrate is at least partially arranged in a corrugated shape along the outer circumferences of said plurality of coils, with a plurality of recesses formed on an outer side of said flexible substrate, andsaid plurality of electrodes are arranged in a dispersed manner in a length direction of said flexible substrate so as to be positioned in said plurality of recesses. 10. The rotation drive device according to claim 4, wherein said flexible substrate has a length at least 1.25 times the length of an outer circumference of said drive unit. 11. The rotation drive device according to claim 4, wherein said drive unit further includes a second magnetic element in the shape of a disc, said second magnetic element being provided to face said rotor with said plurality of first magnetic elements interposed therebetween, and being coupled to said plurality of first magnetic elements, andsaid plurality of coils are arranged on a surface of said second magnetic element along an outer circumference of said second magnetic element. 12. The rotation drive device according to claim 1, wherein said rotor and said drive unit are spaced apart from each other in a radial direction of said rotor, andsaid plurality of first magnetic elements are aligned in a rotation direction of said rotor. 13. The rotation drive device according to claim 12, wherein said drive unit further includes a second magnetic element in a cylindrical shape, said second magnetic element being provided to face said rotor with said plurality of first magnetic elements interposed therebetween, and being coupled to said plurality of first magnetic elements. 14. The rotation drive device according to claim 1, comprising a housing having the first chamber and a second chamber partitioned from each other by a dividing wall, wherein said rotor is provided in said first chamber along said dividing wall, and said drive unit is provided in said second chamber for driving said rotor to rotate with said dividing wall interposed there between. 15. The rotation drive device according to claim 1, wherein each of said plurality of coils comprises two terminals located side-by-side at a common angular position about an axis of the coil. 16. A centrifugal pump apparatus including a housing having first and second chambers partitioned from each other by a dividing wall, an impeller provided in said first chamber along said dividing wall, for delivering fluid by centrifugal force during rotation, and a drive unit provided in said second chamber for driving said impeller to rotate with said dividing wall interposed therebetween, said centrifugal pump apparatus comprising: a plurality of first permanent magnets provided in said impeller and attracted by said drive unit, whereinsaid drive unit includes a plurality of magnetic elements arranged to face said plurality of first permanent magnets,a plurality of coils provided correspondingly to said plurality of magnetic elements respectively and each wound around the corresponding magnetic element, for generating a rotating magnetic field,a connector fixed to said housing and externally receiving a driving voltage, anda flexible substrate connected to said plurality of coils and said connector, wherein said flexible substrate comprises a strip which has a length at least partially arranged to surround the outer circumferences of said plurality of coils, andsaid flexible substrate comprises a plurality of electrodes connected with said plurality of coils, wherein said plurality of electrodes are arranged in pairs which are located along said length, each pair comprising two electrodes located side-by-side in an axial direction of the drive unit at a common distance along said length, and each pair of electrodes connected with two leads from one of the plurality of coils. 17. The centrifugal pump apparatus according to claim 16, wherein said fluid is blood, andsaid centrifugal pump apparatus is used for circulating said blood. 18. The centrifugal pump apparatus according to claim 16 further comprising: a second permanent magnet provided in one surface of said impeller; anda third permanent magnet provided in an inner wall of said first chamber facing said impeller, for attracting said second permanent magnet;wherein during rotation of said impeller, a first attractive force between said second and third permanent magnets and a second attractive force between said plurality of first permanent magnets and said plurality of magnetic elements are balanced with each other in a substantially central portion of a movable range of said impeller in said first chamber. 19. The centrifugal pump apparatus according to claim 18, wherein a first groove for hydrodynamic bearing is formed in one surface of said impeller or in the inner wall of said first chamber facing the one surface, and a second groove for hydrodynamic bearing is formed in the other surface of said impeller or in said dividing wall facing the other surface. 20. The centrifugal pump apparatus according to claim 19, wherein said flexible substrate is at least partially arranged cylindrically to surround the outer circumferences of said plurality of coils, with a plurality of clearances formed between an inner circumferential surface of said flexible substrate and outer circumferential surfaces of said plurality of coils, andsaid plurality of electrodes are arranged in a dispersed manner in said flexible substrate so as to be positioned in said plurality of clearances. 21. The centrifugal pump apparatus according to claim 20, wherein said flexible substrate in the shape of a strip includes a plurality of bent portions on one side or both sides in a width direction of said flexible substrate,said plurality of bent portions are arranged in a dispersed manner in a length direction of said flexible substrate so as to be positioned in said plurality of clearances, each bent portion being bent into the corresponding clearance, andsaid plurality of electrodes are formed in said plurality of bent portions. 22. The centrifugal pump apparatus according to claim 19, wherein said plurality of electrodes are aligned in a length direction of said flexible substrate, andeach electrode is provided in a substantially central portion in a width direction of said flexible substrate. 23. The centrifugal pump apparatus according to claim 19, wherein said flexible substrate is at least partially arranged in a corrugated shape along the outer circumferences of said plurality of coils, with a plurality of recesses formed on an outer side of said flexible substrate,said flexible substrate in the shape of a strip includes a plurality of bent portions on one side or both sides in a width direction of said flexible substrate,said plurality of bent portions are arranged in a dispersed manner in a length direction of said flexible substrate so as to be positioned in said plurality of recesses, each bent portion being bent into the corresponding recess, andsaid plurality of electrodes are arranged in a dispersed manner in said plurality of bent portions. 24. The centrifugal pump apparatus according to claim 19, wherein said flexible substrate is at least partially arranged in a corrugated shape along the outer circumferences of said plurality of coils, with a plurality of recesses formed on an outer side of said flexible substrate, andsaid plurality of electrodes are arranged in a dispersed manner in a length direction of said flexible substrate so as to be positioned in said plurality of recesses. 25. The centrifugal pump apparatus according to claim 19, wherein said flexible substrate has a length at least 1.25 times the length of an outer circumference of said drive unit. 26. he centrifugal pump apparatus according to claim 16, wherein each of said plurality of coils comprises two terminals located side-by-side at a common angular position about an axis of the coil.
Aboul-Hosn, Walid N; Kanz, William R; Zieglier, Roland W; McCrystle, Kelly J; Castor, Rosalind; deDios, Allan, Apparatus and methods for entering cavities of the body.
Gerster Christian,CHX ; Schob Reto,CHX ; Gempp Thomas,CHX, Arrangement and method for operating a magnetically suspended, electromotoric drive apparatus in the event of a mains d.
Bozeman ; Jr. Richard J. (Dickinson TX) Akkerman James W. (Houston TX) Aber Gregory S. (Houston TX) Damm George Arthur Van (Houston TX) Bacak James W. (Houston TX) Svejkovsky Paul A. (Webster TX) Ben, Axial pump.
Campbell, Robert L.; Walsh, Justin M.; Metrey, Daniel; Kunz, Robert F.; Mallison, Thomas M.; Boone, Edward; Myer, Eric; McBride, Mark W.; Powell, Kevin J.; Walters, Daniel A., Blood pump with expandable cannula.
Jarvik, Robert; Alesi, Daniel E.; Klinger, John F.; Geiste, Robert J.; Day, Steven R.; Payea, Keith; Hammerquist, Kenneth G.; Stern, Steven J.; Kaczynski, Francis X.; Howansky, Mark; Cashin, Deborah , Circulatory support system.
Moise John C. (Carmichael CA) Carriker John W. (Gold River CA) Baxter Reginald R. (Barrington IL), Drive mechanism for powering intravascular blood pumps.
Larson ; Jr. Carl O. ; Smith James S. ; Chapman John H. ; Slimon Scot A. ; Trahan John D. ; Brozek Robert J. ; Franco Alberto ; McGarvey John J. ; Rosen Marvin E. ; Pasque Michael K., Electrical circuit for equipment requiring redundant flow paths and method of use.
Kolff Willem J. (Salt Lake City UT) Topaz Stephen R. (Salt Lake City UT) Topaz Peter A. (West Lafayette IN) Bishop N. Dan (Salt Lake City UT) Golub Dmitry M. (Salt Lake City UT) Yu Long S. (Andover M, Electrohydraulic heart with septum mounted pump.
Heidelberg Gtz (Am Hgel 16 D-82319 Starnberg DEX) Ehrhart Peter (Saalburgstrasse 24a D-81375 Mnchen DEX) Stuckmann Otto W. (Lissstrasse 31 D-45657 Recklingshausen DEX) Fischer Roland (Markstrasse 399, Fluid pump having a pressure sealed motor chamber.
Tanaka, Koichiro; Okamoto, Satoru, Formation method of single crystal semiconductor layer, formation method of crystalline semiconductor layer, formation method of polycrystalline layer, and method for manufacturing semiconductor device.
McBride, Mark W.; Boger, David A.; Campbell, Robert L.; Dillon, Gregory P.; Hambric, Stephen A.; Kunz, Robert F.; Leschinsky, Boris; Mallison, Thomas M.; Runt, James P.; Walsh, Justin M., Heart assist device with expandable impeller pump.
Khanwilkar Pratap S. ; Allaire Paul E. ; Bearnson Gill Brent ; Olsen Don B. ; Maslen Eric H. ; Long James W., Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method.
Khanwilkar, Pratap S.; Allaire, Paul E.; Bearnson, Gill B.; Olsen, Don B.; Maslen, Eric H.; Long, James W., Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method.
Taylor Lynn P. (Camino CA) le Blanc Pieter W. J. C. (Pollock Pines CA) Butler Kenneth C. (Carmichael CA) Maher Timothy R. (Orangevale CA), Implantable electric axial-flow blood pump.
Taylor Lynn P. ; le Blanc Pieter W. J. C. ; Butler Kenneth C. ; Maher Timothy R., Implantable electric axial-flow blood pump with blood-cooled bearing.
Aboul-Hosn, Walid N.; Kanz, William R.; Cartwright, James W.; Shulock, Damien; McCrystle, Kelly J., Integrated pump and cannula system and related methods.
Milder Fredric L. (Brookline MA) Kung Robert T. V. (Andover MA) Lederman David M. (Marblehead MA) Singh Param I. (Lexington MA), Intra-arterial cardiac support system.
Cosgrove Delos M. (Hunting Valley OH) Cornhill J. Frederick (Worthington OH) Boykin Christopher M. (Athens TX) Huldin Nelson L. (Pittsfield MI) O\Neill William G. (Ann Arbor MI), Low velocity aortic cannula.
Olsen Don B. (8832 Blue Jay La. Salt Lake City UT 84121) Bramm Gnter (Luisen Str. 49 8000 Munich 2 DEX) Novak Pavel (Grres Str. 2 D-8000-Munich 40 DEX), Magnetically suspended and rotated impellor pump apparatus and method.
Miura, Kazushi; Gomyo, Masato, Method for manufacturing a tool that is used to form dynamic pressure generating grooves in dynamic pressure bearing devices.
Bozeman ; Jr. Richard J. (Dickinson TX) Akkerman James W. (Houston TX) Aber Gregory S. (Houston TX) Damm George Arthur Van (Houston TX) Bacak James W. (Houston TX) Svejkovsky Paul A. (Webster TX) Ben, Method for reducing pumping damage to blood.
Fonger James D. (Wayland MA) Jonkman Kenneth R. (Grand Rapids MI) Anderson James H. (Columbia MD) Mitchell Sally E. (Baltimore MD), Percutaneous transseptal left atrial cannulation system.
Gill B. Bearnson ; Pratap S. Khanwilkar ; James W. Long ; Jed C. Ludlow ; Brad E. Paden ; Chen Chen ; Dave B. Paden ; Don B. Olsen ; James Antaki ; Paul E. Allaire ; Michael Baloh, Pump having a magnetically suspended rotor with one active control axis.
Davis, William D.; Lancisi, David M., Pump with an electrodynamically supported impeller and a hydrodynamic bearing between the impeller and the stator.
Golding Leonard A. R. (Moreland Hills OH) Smith William A. (Lyndhurst OH) Wade Warren F. (Orange Village OH), Sealless rotodynamic pump with fluid bearing.
Reto Schob CH; Natale Barletta CH, Sensor arrangement in an electromagnetic rotary drive and a method for the operation of a rotary drive of this kind.
Schob Reto,CHX ; Barletta Natale,CHX, Sensor arrangement in an electromagnetic rotary drive and a method for the operation of a rotary drive of this kind.
Wampler Richard K. (Gold River CA) Carriker John W. (Gold River CA) Butler Kenneth C. (Carmichael CA) Moise John C. (Carmichael CA), Single-stage axial flow blood pump.
Antaki James F. ; Choi Seongjin ; Boston John Robert ; Butler Kenneth C. ; Thomas Douglas C. ; Amin Devin V., Speed control system for implanted blood pumps.
Derrieu Guy (Cagnes sur Mer FRX) Raynier Bernard (Nice FRX), Stabilized pulverulent active agents, compositions containing them, process for obtaining them and their applications.
Trouplin Claude (La Ferte St Aubin FRX), Wind power of hydraulic power machine with axial feed, radial outflow, and variable geometry vanes, and projectiles fitt.
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