Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Ephraim H. Frei"'
Publikováno v:
Ferroelectrics. 24:289-292
A model is developed for a piezoelectric palpation device, consisting of EC array of PVDF sensors which are pressed with a uniform stress against a soft biological tissue containing embedded hardened regions. The elastic and piezoelectric equations w
Autor:
Ephraim H. Frei, Jack Driller
Publikováno v:
Journal of Medical Engineering & Technology. 11:271-277
A review of selected medical applications involving detection and attraction of magnetic materials.
Publikováno v:
Chest. 71:163-169
A new apexcardiographic recording system has been developed which is free of certain technical limitations. This noncontact magnetic transducer was tested alternately with a commonly used pneumatic piezoelectric transducer in a comparative study on t
Publikováno v:
American Journal of Obstetrics and Gynecology. 113:653-661
Since ultrasonic (Doppler) fetal monitoring systems are technically feasible, it is most important to establish whether repeated prolonged irradiations are safe to both the mother and the fetus. The safety of ultrasonic exposures was investigated in
Publikováno v:
The Journal of Thoracic and Cardiovascular Surgery. 53:668-675
Autor:
Henryk Fischler, Ephraim H. Frei
Publikováno v:
IEEE Transactions on Bio-medical Electronics. 10:29-36
The use of radio-telemetering has several advantages for the recording of EEG data from unrestrained subjects. By use of transistor techniques, miniaturization of the apparatus carried by the subject is made possible. Design considerations for a tran
Autor:
C. L. Angyal, R. J. W. Le Fèvre, Yehuda Hirshberg, Ephraim H. Frei, Ernst Fischer, E. C. Bate-Smith, T. Swain, C. W. L. Bevan, R. F. Hudson, O. Mancera, G. Rosenkranz, F. Sondheimer
Publikováno v:
J. Chem. Soc.. :2181-2191
Publikováno v:
IEEE Transactions on Biomedical Engineering. :134-140
This paper describes a new method for selective cerebral catheterization based on the Pod catheter [6], [7], guided and propelled by means of external magnetic fields. The principles of the Pod catheter, and the necessary equipment are described, and
Publikováno v:
IEEE Transactions on Magnetics. 6:348-349