A method for providing at least partial bypass of the heart to supplement the pumping function of the heart to thereby enable the surgeon to perform various surgical procedures thereon includes providing a circulatory assist system having a portable extracorporeal axial flow pump with a pump housing
A method for providing at least partial bypass of the heart to supplement the pumping function of the heart to thereby enable the surgeon to perform various surgical procedures thereon includes providing a circulatory assist system having a portable extracorporeal axial flow pump with a pump housing, a rotating pumping member disposed in the pump housing and inlet and outlet cannulated tubes respectively connected to inlet and outlet ports of the pump housing, accessing the patient's left atrium of the heart with the inlet cannulated tube, accessing the aorta with the outlet cannulated tube, actuating the rotating pumping member to draw oxygenated blood from the left atrium of the heart through the lumen of the inlet cannulated tube and into the inlet port of the pump housing whereby the pumping member imparts mechanical energy to the oxygenated blood passing through the pump housing and directs the oxygenated blood through the outlet port and through the lumen of the outlet cannulated tube to be transferred by the aorta to the systemic arteries and permitting the right side of the heart to function whereby oxygen-depleted blood returning through the systemic veins to the right atrium is directed through the right ventricle to the patient's lungs for oxygenation and subsequent pulmonary circulation.
대표청구항▼
What is claimed is: 1. A circulatory support device to supplement the pumping function of the heart to thereby enable the surgeon to perform various surgical procedures thereon, which comprises: an extracorporeal portable axial flow pump including a pump housing dimensioned for positioning directly
What is claimed is: 1. A circulatory support device to supplement the pumping function of the heart to thereby enable the surgeon to perform various surgical procedures thereon, which comprises: an extracorporeal portable axial flow pump including a pump housing dimensioned for positioning directly on or adjacent to the chest area of a patient for performing extracorporeal circulation, and having inlet and outlet ports in substantial axial alignment, a rotating member rotatably mounted in the pump housing to impart mechanical energy to blood entering the inlet port and to direct the blood through the outlet port during extracorporeal circulation, the rotating member includes a first conical end in proximity to the inlet port, a second conical end in proximity to the outlet port, and a cylindrical mid-portion connecting the first and second conical ends having at least one blade member extending there from, a length of the second conical end is greater than a length of the first conical end; an inlet tube connected to the inlet port of the pump housing and having an inlet open end portion dimensioned for insertion within the patient's heart whereby blood is drawn from the heart through a lumen of the inlet tube and directed into the pump housing; and an outlet tube connected to the outlet port of the pump housing and having an outlet end portion dimensioned for insertion within a major blood vessel associated with the heart whereby blood exiting the outlet port of the pump housing is conveyed through a lumen of the outlet tube into a major blood vessel for transfer by the arterial system of the patient. 2. A method for performing extracorporeal circulation by providing at least partial bypass of the heart to supplement the pumping function of the heart to thereby enable the surgeon to perform various surgical procedures thereon, the heart having a left atrium for receiving oxygenated blood from the lungs and a left ventricle for pumping the oxygenated blood through the aorta to the systemic arteries, and a right atrium for receiving oxygen-depleted blood from the systemic veins and for directing the oxygen-depleted blood through the pulmonary artery and into the lungs for oxygenation, the method comprising the steps of: providing a circulatory assist system including a portable extracorporeal axial flow pump having a pump housing defining a longitudinal axis, the pump housing having an inlet port and an outlet port, a rotating pumping member disposed in the pump housing, an inlet tube having a first end connected to the inlet port and a second end for contact with the body, an outlet tube having a first end connected to the outlet port and a second end for contact with the body, each tube having an axial lumen between the first and second ends defining a blood flow path for conveyance of blood therealong, the rotating pumping member includes a first conical end in proximity to the inlet port, a second conical end in proximity to the outlet port, and a cylindrical mid-portion connecting the first and second conical ends having at least one blade member extending there from, a length of the second conical end is greater than a length of the first conical end; accessing the left ventricle of the heart with the inlet tube such that the second end of the inlet tube is in fluid communication with the left ventricle; accessing the aorta with the outlet tube such that the second end of the outlet tube is in fluid communication with the aorta; actuating the rotating pumping member to draw oxygenated blood from the left ventricle of the heart through the second end of the inlet tube and through the axial lumen of the inlet tube and into the inlet port of the pump housing whereby the pumping member imparts mechanical energy to the oxygenated blood passing through the pump housing and directs the oxygenated blood through the outlet port and through the axial lumen of the outlet tube and the second end of the outlet tube to be transferred by the aorta to the systemic arteries; and permitting the right side of the heart to function whereby oxygen-depleted blood returning through the systemic veins to the right atrium is directed through the right ventricle to the patient's lungs for oxygenation and subsequent pulmonary circulation. 3. The method according to claim 2 further including the step of positioning the portable pump either on the patient's body or directly adjacent the patient's body. 4. The method according to claim 2 wherein the step of accessing the left ventricle includes inserting the second end of the inlet tube through the mitral valve. 5. The method according to claim 4 wherein the step of accessing the left ventricle includes inserting the second end of the inlet tube through the region adjacent the juncture of the pulmonary veins and advancing the inlet tube whereby the second end passes through the mitral valve the and into the left ventricle. 6. The method according to claim 2 wherein the step of accessing the left ventricle includes inserting the second end of the inlet tube within the aorta and advancing the inlet tube through the aortic valve such that the second end is disposed in the left ventricle. 7. The method according to claim 6 wherein the step of accessing the aorta includes inserting the second end of the outlet tube within the descending aorta. 8. The method according to claim 7 further including the step of occluding the aorta of the patient adjacent the heart to isolate the left ventricle. 9. The method according to claim 8 including the step of introducing a cardioplegia solution into the left ventricle. 10. A method for providing at least partial bypass of the heart by supporting the left side of the heart to thereby enable the surgeon to perform various surgical procedures thereon, the heart having a left atrium for receiving oxygenated blood from the lungs and a left ventricle for pumping the oxygenated blood through the aorta to the systemic arteries, and a right atrium for receiving oxygen-depleted blood from the systemic veins and a right ventricle for directing the oxygen-depleted blood through the pulmonary artery and into the lungs for oxygenation, the method comprising the steps of: providing a circulatory assist system including a portable extracorporeal axial flow pump having a pump housing defining a longitudinal axis, the pump housing having an inlet port and an outlet port, a rotating pumping member disposed in the pump housing and mounted via a rotating shaft to the pump housing, an inlet tube having a first end connected to the inlet port and a second end for contact with the body, an outlet tube having a first end connected to the outlet port and a second end for contact with the body, each tube having an axial lumen between the first and second ends defining a blood flow path for conveyance of blood therealong, the rotating pumping member includes a first conical end in proximity to the inlet port, a second conical end in proximity to the outlet port, and a cylindrical mid-portion connecting the first and second conical ends having at least one blade member extending there from, wherein a length of the second conical end is greater than a length of the first conical end; accessing the patient's left atrium of the heart with the inlet tube such that the second end of the inlet tube is in fluid communication with the left atrium; accessing the aorta with the outlet tube such that the second end of the outlet tube is in fluid communication with the aorta; actuating the rotating pumping member to draw oxygenated blood from the left atrium of the heart through the second end of the inlet tube and through the axial lumen of the inlet tube and into the inlet port of the pump housing whereby the pumping member imparts mechanical energy to the oxygenated blood passing through the pump housing and directs the oxygenated blood through the outlet port and through the axial lumen of the outlet tube and the second end of the outlet tube to be transferred by the aorta to the systemic arteries; and permitting the right side of the heart to function whereby oxygen-depleted blood returning through the systemic veins to the right atrium is directed through the right ventricle to the patient's lungs for oxygenation and subsequent pulmonary circulation. 11. The method according to claim 10 further including the step of positioning the extracorporeal portable pump either on the patient's body or directly adjacent the patient's body. 12. The method according to claim 11 wherein the step of accessing the left atrium of the heart includes inserting the second end of the inlet tube through a heart wall portion adjacent the left atrium such that the second end is disposed in the left atrium. 13. The method according to claim 10 wherein the step of accessing the left atrium of the heart includes inserting the second end of the inlet tube through the region adjacent the juncture of the pulmonary veins and advancing the inlet tube whereby the second end is disposed in the left atrium. 14. The method according to claim 10 wherein the step of accessing the aorta comprises inserting the second end of the outflow tube through the aorta wall. 15. A method for providing at least partial bypass of the heart by supporting the heart to thereby enable the surgeon to perform various surgical procedures thereon, the heart having a left atrium for receiving oxygenated blood from the lungs and a left ventricle for pumping the oxygenated blood through the aorta to the systemic arteries, and a right atrium for receiving oxygen-depleted blood from the systemic veins and a right ventricle for directing the oxygen-depleted blood through the pulmonary artery and into the lungs for oxygenation, the method comprising the steps of: supporting the pumping function of the left side of the heart by; providing a circulatory assist system including a portable extracorporeal axial flow pump having a pump housing defining a longitudinal axis, the pump housing having an inlet port and an outlet port, the outlet port being in substantial axial alignment with the inlet port, a rotating pumping member disposed in the pump housing and mounted via a rotating shaft to the pump housing, an inlet tube having a first end connected to the inlet port and a second end for contact with the body, an outlet tube having a first end connected to the outlet port and a second end for contact with the body, each tube having an axial lumen between the first and second ends defining a blood flow path for conveyance of blood therealong, the rotating pumping member includes a first conical end in proximity to the inlet port, a second conical end in proximity to the outlet port, and a cylindrical mid-portion connecting the first and second conical ends having at least one blade member extending there from, a length of the second conical end is greater than a length of the first conical end; accessing the patient's left atrium of the heart with the inlet tube such that the second end of the inlet tube is in fluid communication with the left atrium; accessing the aorta with the outlet tube such that the second end of the outlet tube is in fluid communication with the aorta; actuating the rotating pumping member to draw oxygenated blood from the left atrium of the heart through the second end of the inlet tube and through the axial lumen of the inlet tube and into the inlet port of the pump housing whereby the pumping member imparts mechanical energy to the oxygenated blood passing through the pump housing and directs the oxygenated blood through the outlet port and through the axial lumen of the outlet tube and the second end of the outlet tube to be transferred by the aorta to the systemic arteries; and supporting the pumping function of the right side of the heart while permitting the patient's lungs to function in oxygenating the blood. 16. The method according to claim 15 wherein the step of supplementing the pumping function of the right side of the heart includes: providing a second circulatory assist system including a portable extracorporeal axial flow pump having a pump housing defining a longitudinal axis, the pump housing having an inlet port and an outlet port, the outlet port being in substantial axial alignment with the inlet port, a rotating pumping member disposed in the pump housing, an inlet tube having a first end connected to the inlet port and a second end for contact with the body, an outlet tube having a first end connected to the outlet port and a second end for contact with the body, each tube having an axial lumen between the first and second ends defining a blood flow path for conveyance of blood therealong; accessing the patient's right atrium or the right ventricle of the heart with the inlet tube such that the second end of the inlet tube is in fluid communication with the right atrium or the right ventricle; accessing the aorta with the outlet tube such that the second end of the outlet tube is in fluid communication with the aorta; actuating the rotating pumping member to draw oxygenated blood from the right atrium or the right ventricle of the heart through the second end of the inlet tube and through the axial lumen of the inlet tube and into the inlet port of the pump housing whereby the pumping member imparts mechanical energy to the oxygenated blood passing through the pump housing and directs the oxygenated blood through the outlet port and through the axial lumen of the outlet tube and the second end of the outlet tube to be transferred by the pulmonary artery to the lungs for oxygenation. 17. A circulatory support device, which comprises: a pump housing including an inlet end portion defining an inlet port for permitting blood to enter the pump housing and an outlet end portion defining an outlet port for permitting blood to exit the pump housing for performing extracorporeal circulation, the inlet and outlet end portions each having central hub portions with straightener blades extending therefrom for facilitating passage of blood through the pump housing during extracorporeal circulation; a rotatable member mounted for rotational movement to the central hub portions of the pump housing, the rotatable member including at least one impeller blade having a curved surface for imparting pump energy to blood passing through the pump housing, the rotatable member having a magnetically actuated rotor; and a motor stator disposed in the pump housing, the motor stator and the rotatable member having an annular space therebetween defining a blood path for blood to flow through the pump housing, the motor stator having at least one stator blade extending from an inner surface thereof, the one stator blade and the one impeller blade of the rotatable member cooperatively configured to exert a substantially axial flow pumping energy to blood flowing along the blood path. 18. The device according to claim 17 wherein the one impeller blade extends axially and peripherally with respect to a longitudinal axis of the pump housing. 19. The device according to claim 18 wherein the one stator blade extends axially and peripherally with respect to the longitudinal axis. 20. The device according to claim 19 including a plurality of impeller blades and a plurality of stator blades. 21. The device according to claim 19 wherein the one stator blade is disposed between the one impeller blade and the outlet end portion of the pump housing. 22. The device according to claim 17 including an inflow tube connected to the inlet end portion of the pump housing and configured for accessing one of a major blood vessel and the heart of a patient. 23. The device according to claim 22 further including an outflow tube connected to the outlet end portion of the pump housing for accessing one of a major blood vessel and the heart of a patient. 24. A method for performing extracorporeal circulation by providing at least partial bypass of the heart to supplement the pumping function of the heart to thereby enable the surgeon to perform various surgical procedures thereon, the heart having a left atrium for receiving oxygenated blood from the lungs and a left ventricle for pumping the oxygenated blood through the aorta to the systemic arteries, and a right atrium for receiving oxygen-depleted blood from the systemic veins and a right ventricle for pumping the oxygen-depleted blood through the pulmonary artery and into the lungs for oxygenation, the method comprising the steps of: supplementing the pumping function of the left side of the heart by; providing a circulatory assist system including a portable extracorporeal axial flow pump having a pump housing defining a longitudinal axis, the pump housing having an inlet port and an outlet port, the outlet port being in substantial axial alignment with the inlet port, a rotating pumping member disposed in the pump housing, an inlet tube having a first end connected to the inlet port and a second end for contact with the body, an outlet tube having a first end connected to the outlet port and a second end for contact with the body, each tube having an axial lumen between the first and second ends defining a blood flow path for conveyance of blood therealong, the rotating pumping member includes a first conical end in proximity to the inlet port, a second conical end in proximity to the outlet port, and a cylindrical mid-portion connecting the first and second conical ends having at least one blade member extending there from, wherein a length of the second conical end is greater than a length of the first conical end; accessing the left ventricle of the heart with the inlet tube such that the second end of the inlet tube is in fluid communication with the left ventricle; accessing the aorta with the outlet tube such that the second end of the outlet tube is in fluid communication with the aorta; actuating the rotating pumping member to draw oxygenated blood from the left ventricle of the heart through the second end of the inlet tube and through the axial lumen of the inlet tube and into the inlet port of the pump housing whereby the pumping member imparts mechanical energy to the oxygenated blood passing through the pump housing and directs the oxygenated blood through the outlet port and through the axial lumen of the outlet tube and the second end of the outlet tube to be transferred by the aorta to the systemic arteries; and supplementing the pumping function of the right side of the heart while permitting the patient's lungs to function in oxygenating the blood. 25. The method according to claim 24 wherein the step of supplementing the pumping function of the right side of the heart includes: providing a second circulatory assist system including a portable extracorporeal axial flow pump having a pump housing defining a longitudinal axis, the pump housing having an inlet port and an outlet port, the outlet port being in substantial axial alignment with the inlet port, a rotating pumping member disposed in the pump housing, an inlet tube having a first end connected to the inlet port and a second end for contact with the body, an outlet tube having a first end connected to the outlet port and a second end for contact with the body, each tube having an axial lumen between the first and second ends defining a blood flow path for conveyance of blood therealong; accessing the right atrium or the right ventricle of the heart with the inlet tube such that the second end of the inlet tube is in fluid communication with the right atrium or the right ventricle; accessing the pulmonary artery with the outlet tube such that the second end of the outlet tube is in fluid communication with the pulmonary artery; and actuating the rotating pumping member to draw oxygen-depleted blood from the right atrium or the right ventricle of the heart through the second end of the inlet tube and through the axial lumen of the inlet tube and into the inlet port of the pump housing whereby the pumping member imparts mechanical energy to the oxygen-depleted blood passing through the pump housing and directs the oxygen-depleted blood through the outlet port and through the axial lumen of the outlet tube and the second end of the outlet tube to be transferred by the pulmonary artery to the lungs for oxygenation.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (92)
Lampert Seymour R. (Ann Arbor MI), Air emboli detection.
Sites Jeffrey P. (Plymouth MN) Chen Wei (St. Paul MN), Apparatus and method for the extracorporeal treatment of the blood of a patient having a medical condition.
Nazarian Richard A. (Golden Valley MN) Agnew Marc H. (Encinitas CA) Schneider Daniel E. (Carlsbad CA) Mead Wilfred A. (Williamston MI), Blood pumping system with selective backflow warning.
Sweezer William P. (Lafayette CA) Jimison James (Palo Alto CA) Coleman Ronald L. (Sunnyvale CA), Catheter system and method for providing cardiopulmonary bypass pump support during heart surgery.
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 M, Circulatory support system.
Prybella John R. (Lakewood CO) Boucher Terry D. (Littleton CO), Condition responsive pump control utilizing integrated, commanded, and sensed flowrate signals.
Watkins David H. (6039 N. Waterbury Road Des Moines IA 50312) Klink Erwin J. (814 Laurel Circle SE. Albuquerque NM 87108), Heart assist method and catheter.
Candelon Bernard J. L. (Toulon FRX) Trinkl Jean (Marseille FRX) Havlik Patrick J. (Marseille FRX) Monties Jean-Raoul E. (Auriol FRX), Method and apparatus for regulating the flow rate of a periodic flow heart prosthesis.
Lane Perry L. (2798 Arcadia Heights Cir. Salt Lake City UT 84109) Shettigar Udipi R. (1021 Medical Plz. Salt Lake City UT 84112), Methods and apparatus for autologous blood recovery.
Buckberg Gerald D. (Los Angeles CA) Maloney ; Jr. James V. (Los Angeles CA) Jones Kenneth A. (Lake Elsinore CA) West Weldon D. (Mission Viejo CA), Peripheral cardiopulmonary bypass and coronary reperfusion system.
Pieronne Alain (18 Rue Francois de Badts 59110 La Madeleine FRX) Soots Georges (17 Rue Bazinghien 59000 Lille FRX) Logier Rgis (19 Rue des Liliums 59134 Herlies FRX) Delecroix Michel (2 rue d\Haubour, Pump regulation device.
Rafferty Edson Howard (419 Ontario St. ; S. E. Minneapolis MN 55414) Kletschka Harold D. (1925 Noble Drive Minneapolis MN 55414), Pumps capable of use as heart pumps.
Lundquist Ingemar H. (Pebble Beach CA) Tarczy-Hornoch Zoltan (Berkeley CA) Kardos Thomas J. (Laguna Beach CA), Retroperfusion and retroinfusion control apparatus, system and method.
Lundquist Ingemar H. (Pebble Beach CA) Tarczy-Hornoch Zoltan (Berkeley CA) Kardos Thomas J. (Laguna Beach CA), Retroperfusion control apparatus, system and method.
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.
Schwarz Karl (90 Gorham St. Canandaijea NY 14424) Meltzer Richard S. (22 Westland Ave. Rochester NY 14618) Church Charles C. (309 N. 16th St. Oxford MS 38655), System for treating blood processed in a cardiopulmonary bypass machine and ultrasound filtration apparatus useful there.
Jarvik Robert K. (Salt Lake City UT), Total artificial hearts and cardiac assist devices powered and controlled by reversible electrohydraulic energy converte.
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.
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.
Walters, Daniel A.; Repka, William James; Powell, Kevin J.; Keenan, Richard L.; Walsh, Justin M.; Campbell, Robert L.; McBride, Mark W., Catheter pump.
McBride, Mark W.; Mallison, Thomas M.; Dillon, Gregory P.; Campbell, Robert L.; Boger, David A.; Hambric, Stephen A.; Kunz, Robert F.; Runt, James P.; Walsh, Justin M.; Leschinsky, Boris, Expandable impeller pump.
McBride, Mark W.; Mallison, Thomas M.; Dillon, Gregory P.; Campbell, Robert L.; Boger, David A.; Hambric, Stephen A.; Kunz, Robert F.; Runt, James P.; Walsh, Justin M.; Leschinsky, Boris, Expandable impeller pump.
Schenck, Alan; Green, Michael L.; Fitzgerald, Keif M.; Muller, Paul F.; Sullivan, Joseph P.; Schubert, Keith; Bristol, Peter W.; Mills, Jeffrey Paul; Leonard, Paul C.; Keenan, Richard L., Fluid handling system.
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.
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.
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.
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.
Campbell, Robert L.; Fitzgerald, Keif; Harrison, William James; Leschinsky, Boris; Mallison, Thomas M.; McBride, Mark W.; Roslund, Adam; Walters, Daniel A.; Yuen, Phyllis, Impeller housing for percutaneous heart pump.
Kearsley, Keith Hamilton; Cotter, Christopher James; Callaway, Justin Aron; Kulinski, Maria Dominika; Layton, John C.; Jayaraman, Ramesh Babu, Modular driveline.
Campbell, Robert L.; Koncoski, Jeremy J.; Mallison, Thomas M.; McBride, Mark W.; Metrey, Daniel; Myer, Eric C.; Powell, Kevin J.; Roslund, Adam; Walters, Daniel A.; Repka, William James; Yuen, Phyllis, Percutaneous heart pump.
Campbell, Robert L.; Koncoski, Jeremy J.; Mallison, Thomas M.; McBride, Mark W.; Metrey, Daniel; Myer, Eric C.; Powell, Kevin J.; Roslund, Adam; Walters, Daniel A.; Repka, William James; Yuen, Phyllis, Percutaneous heart pump.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.