• United States

Research Output 1974 2019

1986

Microvascular hemodynamics during hemodilution and hemoconcentration

Lipowsky, H. H. & Firrell, J. C., 1986, In : American Journal of Physiology - Heart and Circulatory Physiology. 250, 6

Research output: Contribution to journalArticle

Hemodilution
Erythrocytes
Hemodynamics
Arterioles
Microvessels

MODIFICATION OF A SERIES-TUNED TRANSCUTANEOUS ENERGY TRANSMISSION SYSTEM.

Gaumond, R. P., Geselowitz, D. B., Gibbons, P., Trumble, D. & Weiss, W., 1986, Unknown Host Publication Title. IEEE, p. 3-6 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Shielding
Telecommunication links
Control systems
29 Citations (Scopus)

Pulsed ultrasonic doppler velocity measurements inside a left ventricular assist device

Tarbell, J. M., Gunshinan, J. P., Geselowitz, D. B., Rosenberg, G., Shung, K. K. & Pierce, W. S., Jan 1 1986, In : Journal of Biomechanical Engineering. 108, 3, p. 232-238 7 p.

Research output: Contribution to journalArticle

Left ventricular assist devices
Heart-Assist Devices
Aortic Valve
Ultrasonics
Velocity measurement
12 Citations (Scopus)

Roller screw electric motor ventricular assist device.

Richenbacher, W. E., Pae, W., Magovern, J. A., Rosenberg, G., Snyder, A. J. & Pierce, W. S., Jul 1986, In : ASAIO Transactions. 32, 1, p. 46-48 3 p.

Research output: Contribution to journalArticle

Heart-Assist Devices
Electric motors
Compliance
Rollers (machine components)
Cams

TESTING AND CHARACTERIZING A PORTABLE POWER SOURCE FOR THE ELECTRIC ARTIFICIAL HEART.

Kloss, D. A., Roehm, E. A., Snyder, A. J., Rosenberg, G. & Pierce, W. S., 1986, IEEE/Engineering in Medicine and Biology Society Annual Conference. IEEE, p. 65-68 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Artificial heart
Testing
1 Citation (Scopus)

Transition paths to stochastic oscillations of a self-excited oscillator with a ferrite resonator

Aronson, I. & Pavlov, D. A., Jul 1 1986, In : Radiophysics and Quantum Electronics. 29, 7, p. 602-607 6 p.

Research output: Contribution to journalArticle

Ferrite
Resonators
Modulation
Magnetic fields
1985
7 Citations (Scopus)

A model of microvascular oxygen transport in sickle cell disease

Vayo, M. M., Lipowsky, H. H., Karp, N., Schmalzer, E. & Chein, S., Jan 1 1985, In : Microvascular Research. 30, 2, p. 195-206 12 p.

Research output: Contribution to journalArticle

Sickle Cell Anemia
Blood
Oxygen
Blood Viscosity
Hematocrit

A solution to inlet pannus formation in the pneumatic artificial heart

Pae, W., Rosenberg, G., Donachy, J., Prophet, G. A., Jorge, E., Landis, D. & Pierce, W. S., Jan 1 1985, In : Transactions - American Society for Artificial Internal Organs. 31, 1, p. 12-16 5 p.

Research output: Contribution to journalArticle

Artificial Heart
Heart Atria
1 Citation (Scopus)

FLOW OF NEWTONIAN AND NON-NEWTONIAN BLOOD ANALOGS IN A TAH.

Mann, K. A., Deutsch, S., Tarbell, J. M., Geselowitz, D. B., Rosenberg, G. & Pierce, W. S., 1985, IEEE/Engineering in Medicine and Biology Society Annual Conference. Lin, J. C. & Feinberg, B. N. (eds.). IEEE, p. 790-793 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Artificial heart
Velocimeters
Flow structure
Polymer solutions
Glycerol
3 Citations (Scopus)

INDIRECT ESTIMATION OF CIRCULATORY PRESSURES FOR CONTROL OF AN ELECTRIC MOTOR DRIVEN TOTAL ARTIFICIAL HEART.

Snyder, A., Rosenberg, G. & Landis, D., Dec 1 1985, In : Advances in Bioengineering. p. 87-88 2 p.

Research output: Contribution to journalConference article

Artificial heart
Electric motors
Rollers (machine components)
Sensors
Pneumatics

In Reply

Pierce, W. S., Rosenberg, G. & Geselowitz, D. B., Dec 20 1985, In : JAMA: The Journal of the American Medical Association. 254, 23, p. 3307-3308 2 p.

Research output: Contribution to journalLetter

MICROPROCESSOR-BASED FEEDBACK CONTROL SYSTEM FOR THE PENN STATE EVAD.

Hanson, K. L., Tsach, U., Kern, S. E., Geselowitz, D. B., Rosenberg, G. & Pierce, W. S., 1985, IEEE/Engineering in Medicine and Biology Society Annual Conference. Lin, J. C. & Feinberg, B. N. (eds.). IEEE, p. 786-789 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Feedback control
Microprocessor chips
Control systems
Velocity control
Controllers

PULSED DOPPLER ULTRASOUND VELOCITY MEASUREMENTS INSIDE A LEFT VENTRICULAR ASSIST DEVICE.

Gunshinan, J. P., Tarbell, J. M., Geselowitz, D. B., Rosenberg, G., Shung, K. K. & Pierce, W. S., Dec 1 1985, p. 39-42. 4 p.

Research output: Contribution to conferencePaper

Ultrasonic Doppler velocimeters
Blood substitutes
Left ventricular assist devices
Streak cameras
Velocity distribution
3 Citations (Scopus)

Scanning electron microscopic evaluation of polyurethanes used for biomedical applications.

Christie, A. M., Donachy, J. H., Rosenberg, G. & Pierce, W. S., Dec 1 1985, In : Transactions - American Society for Artificial Internal Organs. 31, p. 512-516 5 p.

Research output: Contribution to journalArticle

Polyurethanes
Surface Properties
Biocompatible Materials
Electron Scanning Microscopy
Thrombosis
25 Citations (Scopus)

The Pennsylvania State University paracorporeal ventricular assist pump: Optimal methods of use

Gaines, W. E., Pierce, W. S., Donachy, J. H., Rosenberg, G., Landis, D. L., Richenbacher, W. E. & Waldhausen, J. A., Feb 1 1985, In : World Journal of Surgery. 9, 1, p. 47-53 7 p.

Research output: Contribution to journalArticle

Survival Rate
Cardiac Surgical Procedures
Equipment and Supplies
Heart-Assist Devices
Pulmonary Circulation

TOTALLY IMPLANTABLE ARTIFICIAL HEART DESIGN.

Rosenberg, G., Cleary, T. J., Snyder, A. J., Landis, D. L., Geselowitz, D. B. & Pierce, W. S., Dec 1 1985, In : American Society of Mechanical Engineers (Paper).

Research output: Contribution to journalConference article

Artificial heart
Electric motors
Skin
Wire
Specifications
3 Citations (Scopus)

TOTALLY IMPLANTABLE ARTIFICIAL HEART DESIGN.

Rosenberg, G., Cleary, T. J., Snyder, A. J., Landis, D. L., Geselowitz, D. B. & Pierce, W. S., 1985, In : [No source information available].

Research output: Contribution to journalArticle

Artificial heart
Electric motors
Skin
Wire
Specifications
6 Citations (Scopus)

Transmission of water through a biocompatible polyurethane: Application to circulatory assist devices

Reid, J., Rosenberg, G. & Pierce, W. S., Jan 1 1985, In : Journal of Biomedical Materials Research. 19, 9, p. 1181-1202 22 p.

Research output: Contribution to journalArticle

Polyurethanes
Membranes
Water
Steam
Water vapor

TRANSMISSION OF WATER THROUGH A BIOCOMPATIBLE POLYURETHANE - APPLICATION TO CIRCULATORY ASSIST DEVICES.

Reid, J., Rosenberg, G. & Pierce, W. S., 1985, Transactions of the Annual Meeting of the Society for Biomaterials in conjunction with the Interna. Soc for Biomaterials, Vol. 8. p. 56 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Polyurethanes
Water
Blood
Left ventricular assist devices
Artificial heart
2 Citations (Scopus)

USE OF AN OBSERVER FOR CONTROL OF A TAH.

Kern, S. E., Tsach, U., Hanson, K. L., Geselowitz, D. B., Rosenberg, G. & Pierce, W. S., 1985, IEEE/Engineering in Medicine and Biology Society Annual Conference. Lin, J. C. & Feinberg, B. N. (eds.). IEEE, p. 799-803 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Artificial heart
Pumps
Velocity control
Computer simulation
1984
19 Citations (Scopus)

Arteriovenous distribution of hemodynamic parameters in the rat dental pulp

Kim, S., Lipowsky, H. H., Usami, S. & Chien, S., Jan 1 1984, In : Microvascular Research. 27, 1, p. 28-38 11 p.

Research output: Contribution to journalArticle

Dental Pulp
Hemodynamics
Microvessels
Pulp
Rats
3 Citations (Scopus)

CHRONIC ANIMAL STUDIES WITH A MOTOR-DRIVEN LVAD AND AN IMPLANTED COMPLIANCE CHAMBER.

Snyder, A., Rosenberg, G., Weiss, W., Huang, W., Landis, D. & Pierce, W. S., Dec 1 1984, In : Transactions - American Society for Artificial Internal Organs. 30, p. 92-97 6 p.

Research output: Contribution to journalConference article

Compliance
Animals
Cams
Machining
Pumps
1 Citation (Scopus)

DEVELOPMENT AND VERIFICATION OF EVAD/MOCK LOOP SYSTEM MODEL.

Fikse, T. H., Rosenberg, G., Snyder, A. J., Landis, D. L., Hanson, K. L., Kern, S. E., Geselowitz, D. B. & Pierce, W. S., 1984, IEEE/Engineering in Medicine and Biology Society Annual Conference. Semmlow, J. L. & Welkowitz, W. (eds.). IEEE, p. 33-37 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric motors
Mechanical drives
Blood
Hydraulics
Pumps

Development of a long-term electric motor left ventricular assist system

Gaines, W. E., Rosenberg, G., Pennock, J. L. & Pierce, W. S., Jan 1 1984, In : Heart Transplantation. 3, 4, p. 323-328 6 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

ELECTRIC MOTOR-DRIVEN TOTAL ARTIFICIAL HEART: SEVEN MONTHS SURVIVAL IN THE CALF.

Rosenberg, G., Snyder, A. J., Landis, D. L., Geselowitz, D. B., Donachy, J. H. & Pierce, W. S., 1984, In : Transactions - American Society for Artificial Internal Organs. 30, p. 69-74 6 p.

Research output: Contribution to journalArticle

Artificial heart
Artificial Heart
Electric motors
Animals
Cadaver
4 Citations (Scopus)

Segmental and total microvascular resistances during hemorrhagic hypotension in rabbit omentum

Firrell, J. C., Lipowsky, H. H., Usami, S. & Chien, S., Jan 1 1984, In : American Journal of Physiology - Heart and Circulatory Physiology. 16, 3

Research output: Contribution to journalArticle

Omentum
Microvessels
Hypotension
Venules
Arterioles

Segmental and total microvascular resistances during hemorrhagic hypotension in rabbit omentum

Firrell, J. C., Lipowsky, H. H., Usami, S. & Chien, S., 1984, In : American Journal of Physiology - Heart and Circulatory Physiology. 16, 3

Research output: Contribution to journalArticle

Omentum
Microvessels
Hypotension
Venules
Arterioles
1 Citation (Scopus)

SIMULATION STUDIES OF THE PENN STATE EVAD: VELOCITY CONTROL.

Lewis, J. B., Hanson, K. L., Geselowitz, D. B., Sidhwa, E. D., Ostroff, A. H., Rosenberg, G. & Pierce, W. S., Dec 1 1984, p. 15-18. 4 p.

Research output: Contribution to conferencePaper

Velocity control
Torque
Lead
Mathematical models
Control systems
8 Citations (Scopus)

The Compliance Problem: A Major Obstacle in the Development of Implantable Blood Pumps

Lee, S., Rosenberg, G., Donachy, J. H., Wisman, C. B. & Pierce, W. S., Jan 1 1984, In : Artificial organs. 8, 1, p. 82-90 9 p.

Research output: Contribution to journalArticle

Compliance
Blood
Pumps
Gases
Atmospheric Pressure
1983
10 Citations (Scopus)

Clinical Effectiveness of Mechanical Ventricular Bypass in Treating Postoperative Heart Failure

Pierce, W. S., Parr, G. V. S., Myers, J., Donachy, J. H., Rosenberg, G., Landis, D. L. & Bull, A. P., Jan 1 1983, In : Artificial Organs. 7, 1, p. 25-30 6 p.

Research output: Contribution to journalArticle

Heart Failure
Pumps
Polyurethanes
Ventricular Function
Catheterization
3 Citations (Scopus)
Compliance

Development of an implantable electric motor artificial heart

Richenbacher, W. E., Rosenberg, G. & Landis, D. L., Jan 1 1983, In : Surgical Forum. VOL. 34, p. 250-252 3 p.

Research output: Contribution to journalArticle

Artificial Heart

ELECTRIC MOTOR DRIVES FOR TOTAL HEART REPLACEMENT.

Snyder, A. J., Rosenberg, G., Landis, D. L., Weiss, W. & Pierce, W. S., Dec 1 1983, In : Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. 1 p.

Research output: Contribution to journalConference article

Electric motors

IN VIVO EXPERIENCE USING A MOTOR-DRIVEN HEART ASSIST PUMP WITH IMPLANTED COMPLIANCE CHAMBER.

Rosenberg, G., Weiss, W., Landis, D. L., Donachy, J. H., Snyder, A. J., Wisman, C. B., Geselowitz, D. B. & Pierce, W. S., 1983, Unknown Host Publication Title. Gerhard, G. C. & Miller, W. T. (eds.). IEEE, p. 438-441 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pumps
Compliance
4 Citations (Scopus)

Portable artificial heart systems

Pierce, W. S., Jarvik, R., Heimes, H. P., Rosenberg, G. & Watson, J., Jan 1 1983, In : Transactions - American Society for Artificial Internal Organs. 29, 1, p. 754-759 6 p.

Research output: Contribution to journalArticle

Equipment Design
Artificial Heart

VELOCITY CONTROL OF MOTOR DRIVEN VENTRICULAR ASSIST DEVICE.

Greathouse, S. L., Lewis, J. B., Ostroff, A. H., Geselowitz, D. B., Rosenberg, G. & Pierce, W. S., Dec 1 1983, p. 433-437. 5 p.

Research output: Contribution to conferencePaper

Velocity control
1982
13 Citations (Scopus)

A cam-type electric motor-driven left ventricular assist device

Rosenberg, G., Snyder, A., Weiss, W., Landis, D. L., Geselowitz, D. B. & Pierce, W. S., Jan 1 1982, In : Journal of Biomechanical Engineering. 104, 3, p. 214-220 7 p.

Research output: Contribution to journalArticle

Bearings (structural)
Left ventricular assist devices
Heart-Assist Devices
Cams
Electric motors
21 Citations (Scopus)

A roller screw drive for implantable blood pumps

Rosenberg, G., Snyder, A., Weiss, W., Landis, D., Geselowitz, D. & Pierce, W., Jan 1 1982, In : Transactions - American Society for Artificial Internal Organs. 28, 1, p. 123-126 4 p.

Research output: Contribution to journalArticle

Rollers (machine components)
Blood
Pumps
8 Citations (Scopus)
Microcirculation
Hemodynamics
Microvessels
Pericardium
Plasma Cells
5 Citations (Scopus)

Determinants of microvascular blood flow.

Lipowsky, H. H., Aug 1 1982, In : Physiologist. 25, 4, p. 357-363 7 p.

Research output: Contribution to journalArticle

Microcirculation
Blood Viscosity
Blood Flow Velocity
Hematocrit
Vascular Resistance
3 Citations (Scopus)

ELECTRIC POWER DRIVEN TOTAL ARTIFICIAL HEART.

Rosenberg, G., Snyder, A. J., Weiss, W., Landis, D. L., Pierce, W. S., Greathouse, S. L., Ostroff, A. H. & Geselowitz, D. B., 1982, IEEE/Engineering in Medicine and Biology Society Annual Conference. IEEE, p. 111-116 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Artificial heart
27 Citations (Scopus)

Hematocrit determination in small bore tubes by differential spectrophotometry

Lipowsky, H. H., Usami, S., Chien, S. & Pittman, R. N., Jan 1 1982, In : Microvascular Research. 24, 1, p. 42-55 14 p.

Research output: Contribution to journalArticle

Density (optical)
Spectrophotometry
Hematocrit
Glass
Hemoglobins
38 Citations (Scopus)

Human SS red cell rheological behavior in the microcirculation of cremaster muscle

Lipowsky, H. H., Usami, S. & Chien, S., Jan 1 1982, In : Blood Cells. 8, 1, p. 113-126 14 p.

Research output: Contribution to journalArticle

Abdominal Muscles
Microcirculation
Arterioles
Viscosity
Fluorescein
1 Citation (Scopus)

VOLUME COMPENSATION IN A VAD BY USE OF A TWO-PHASE FLUID.

Mckyton, A., Tarbell, J., Geselowitz, D., Pierce, W. & Rosenberg, G., Dec 1 1982, In : Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. 1 p.

Research output: Contribution to journalConference article

Fluids
Compensation and Redress
1981
18 Citations (Scopus)

Approaches to the artificial heart

Pierce, W. S., Myers, J., Donachy, J. H., Rosenberg, G., Landis, D. L., Prophet, G. A. & Snyder, A. J., Oct 26 1981, In : Surgery. 90, 2, p. 137-148 12 p.

Research output: Contribution to journalArticle

Artificial Heart
Equipment and Supplies
Elastomers
Nuclear Energy
Magnets
97 Citations (Scopus)

Design and evaluation of the Pennsylvania State University mock circulatory system

Rosenberg, G., Phillips, W. M., Landis, D. L. & Pierce, W. S., Jan 1 1981, In : ASAIO Journal. 4, 2, p. 41-49 9 p.

Research output: Contribution to journalArticle

1980
10 Citations (Scopus)

Biventricular mechanical assistance in the postcardiotomy patient.

Olsen, E. K., Shaffer, L. J., Pae, W. E., Parr, G. V., Rosenberg, G. & Pierce, W. S., Dec 1 1980, In : Transactions - American Society for Artificial Internal Organs. 26, p. 29-33 5 p.

Research output: Contribution to journalArticle

Assisted Circulation
Cardiac Surgical Procedures
Cardiopulmonary Bypass
Heart Failure
34 Citations (Scopus)

Calcification inside artificial hearts: Inhibition by warfarin-sodium

Pierce, W. S., Donachy, J. H., Rosenberg, G. & Baier, R. E., Jan 1 1980, In : Science. 208, 4444, p. 601-603 3 p.

Research output: Contribution to journalArticle

Artificial Heart
Warfarin
Vitamin K
Anticoagulants
Minerals
5 Citations (Scopus)

Effects of norepinephrine and isoproterenol on microcirculation of the rat dental pulp

Kim, S., Usami, S., Lipowsky, H. H. & Chien, S., Jan 1 1980, In : Microvascular Research. 20, 1, 1 p.

Research output: Contribution to journalArticle

Microcirculation
Isoproterenol
Pulp
Rats
Norepinephrine
29 Citations (Scopus)

Hematocrit determination in small bore tubes from optical density measurements under white light illumination

Lipowsky, H. H., Usami, S., Chien, S. & Pittman, R. N., Jan 1 1980, In : Microvascular Research. 20, 1, p. 51-70 20 p.

Research output: Contribution to journalArticle

Density (optical)
Lighting
Hematocrit
Tungsten
Light