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Dive into the research topics where Pratap S. Khanwilkar is active.

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Featured researches published by Pratap S. Khanwilkar.


Asaio Journal | 1998

Implantable centrifugal blood pump with hybrid magnetic bearings

Paul E. Allarie; Gill B. Bearnson; Ron Flack; Pratap S. Khanwilkar; B. Ajit Kumar; James W. Long; Don B. Olsen; Jeffrey Decker; Michael Baloh

Test methods and results of in vitro assessment of a centrifugal pump with a magnetically suspended impeller are provided. In vitro blood tests have been completed with a resulting normalized milligram index of hemolysis (NmIH) of 12.4 +/- 4.1, indicating that hemolysis is not a problem. Hydraulic characterization of the system with water has shown that a nominal pumping condition of 6 L/min at 100 mmHg was met at 2,200 rpm. Maximum clinically usable cardiac output is predicted be 10 L/min. The magnetic bearing supported impeller did not contact the housing and was shown to be stable under a variety of pumping conditions. The driving motor efficiency is 75% at the nominal condition. Finally, a description of the clinical version of the pump under development is provided.


Archive | 1997

Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method

Pratap S. Khanwilkar; Paul E. Allaire; Gill B. Bearnson; Don B. Olsen; Eric H. Maslen; James W. Long


Archive | 2000

Pump having a magnetically suspended rotor with one active control axis

Gill B. Bearnson; Pratap S. Khanwilkar; James W. Long; Jed Ludlow; Brad Paden; Chen Chen; Dave B. Paden; Don B. Olsen; James F. Antaki; Paul E. Allaire; Michael Baloh


Artificial Organs | 2000

Computational Flow Study of the Continuous Flow Ventricular Assist Device, Prototype Number 3 Blood Pump

Jay B. Anderson; Houston G. Wood; Paul E. Allaire; Gill B. Bearnson; Pratap S. Khanwilkar


Asaio Journal | 1997

MAGNETIC SUSPENSION CONTROLS FOR CONTINUOUS FLOW VENTRICULAR ASSIST DEVICE CFVAD III

Edgar F. Hilton; Paul E. Allaire; Michael Baloh; Eric H. Maslen; Gill B. Bearnson; Pratap S. Khanwilkar; D. Olson


Asaio Journal | 2000

PROGRESS ON THE HEARTQUESTTM VAD — A CENTRIFUGAL PUMP WITH MAGNETICALLY SUSPENDED ROTOR

Gill B. Bearnson; P. Diegel; Pratap S. Khanwilkar; Paul E. Allaire; Jed Ludlow; D. Cooley; James W. Long; B. A. Kumar; G. Pantalos; Houston G. Wood; Don B. Olsen


Asaio Journal | 1997

DESIGN AND TESTING OF MAGNETIC BEARING SYSTEM FOR CONTINUOUS FLOW VENTRICULAR ASSIST DEVICE CFVAD III

Michael Baloh; Paul E. Allaire; Eric H. Maslen; B. Hilton; R. Rockwell; Gill B. Bearnson; T. Water; Pratap S. Khanwilkar; Don B. Olsen


Asaio Journal | 1997

A COMPUTER MODEL OF A PHYSIOLOGICAL CONTROLLER FOR A CENTRIFUGAL VAD WITH MAGNETIC BEARINGS

Gill B. Bearnson; Don B. Olsen; Pratap S. Khanwilkar; James W. Long; Paul E. Allaire; Eric H. Maslen


ASME 2008 3rd Frontiers in Biomedical Devices Conference | 2008

The PediaFlow Pediatric Ventricular Assist Device

Brad Paden; Jingchun Wu; Myounggyu D. Noh; Dave Paden; Michael A. Ricci; Shaun T. Snyder; Timothy M. Maul; Steven A. Webber; Fangjun Shu; Josiah E. Verkaik; Pratap S. Khanwilkar; J. Robert Boston; James F. Antaki; Bradley B. Keller; Marina V. Kameneva; Harvey S. Borovetz


Asaio Journal | 2004

EVOLUTION OF IMPLANTABLE, MAGNETICALLY LEVITATED HEARTQUEST??? VAD FOR DESTINATION THERAPY

Pratap S. Khanwilkar; James W. Long; James F. Antaki; Bradley E. Paden; Scott D. Miles; Jacobs G; C A King; Chen Chen; C Bearnson

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James W. Long

Integris Baptist Medical Center

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James F. Antaki

Carnegie Mellon University

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Jed Ludlow

University of Virginia

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