Atrial defibrillation using transcutaneous radio-frequency pulse delivery

G Manoharan; JA Santos; NE Evans; JMCC Anderson; BJ Kidawi; JD Allen; AAJ Adgey

doi:10.1109/ANZIIS.2001.974096

Atrial defibrillation using transcutaneous radio-frequency pulse delivery

G Manoharan, JA Santos, NE Evans, JMCC Anderson, BJ Kidawi, JD Allen, AAJ Adgey

Faculty Of Computing, Eng. & Built Env.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Atrial fibrillation (AF) is one of the most common sustained cardiac arrhythmias found. Its treatment requires the use of a synchronised electrical shock or drug therapy. This paper describes a new form of electrical defibrillator that employs a two-part, transdermal RF transformer to couple an on-off keyed 7.2 MHz pulse to an implanted, passive receiver; this, in turn, delivers a unipolar DC shock to the heart. Factors influencing the transformer's design are discussed and results from axial and lateral primary/secondary coil displacement trials presented. In animal studies, cardioversion was 100% successful with pulses of 100 V amplitude and 10 ms width. The implant is battery-free, which makes it an attractive and inexpensive alternative for the treatment of AF.

Original language	English
Title of host publication	Unknown Host Publication
Publisher	IEEE
Pages	313-316
Number of pages	4
DOIs	https://doi.org/10.1109/ANZIIS.2001.974096
Publication status	Published - Nov 2001
Event	The Seventh Australian and New Zealand Intelligent Information Systems Conference, ANZIIS - Perth, Australia Duration: 1 Nov 2001 → …

Conference

Conference	The Seventh Australian and New Zealand Intelligent Information Systems Conference, ANZIIS
Period	1/11/01 → …

Access to Document

10.1109/ANZIIS.2001.974096

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Manoharan, G., Santos, JA., Evans, NE., Anderson, JMCC., Kidawi, BJ., Allen, JD., & Adgey, AAJ. (2001). Atrial defibrillation using transcutaneous radio-frequency pulse delivery. In Unknown Host Publication (pp. 313-316). IEEE. https://doi.org/10.1109/ANZIIS.2001.974096

@inproceedings{9fa4410d11624cbdb49236b2993275bb,

title = "Atrial defibrillation using transcutaneous radio-frequency pulse delivery",

abstract = "Atrial fibrillation (AF) is one of the most common sustained cardiac arrhythmias found. Its treatment requires the use of a synchronised electrical shock or drug therapy. This paper describes a new form of electrical defibrillator that employs a two-part, transdermal RF transformer to couple an on-off keyed 7.2 MHz pulse to an implanted, passive receiver; this, in turn, delivers a unipolar DC shock to the heart. Factors influencing the transformer's design are discussed and results from axial and lateral primary/secondary coil displacement trials presented. In animal studies, cardioversion was 100% successful with pulses of 100 V amplitude and 10 ms width. The implant is battery-free, which makes it an attractive and inexpensive alternative for the treatment of AF.",

author = "G Manoharan and JA Santos and NE Evans and JMCC Anderson and BJ Kidawi and JD Allen and AAJ Adgey",

note = "Reference text: [ 1] J. D. Bronzino, The Biomedical Engineering Handbook. CRC Press & IEEE Press, pp. 1275-1291, 1995. [2] L. D. Hillis, J. E. Ormand, and J. T. Willerson, Manual of Clinical Problems in Cardiology, lst Ed., pp. 13-14. Boston, USA: Little Brown and Company, 1980. [3] A. Timmis, and A. Nathan, Essentials of Cardiology, 2{"}d Ed., pp. 228-239. Blackwell Scientific Publications, 1993. [4] P. Touboul, “Atrial Defibrillator: Is It Needed? Would Society Pay For It?,” PACE, Vol. 18 (Pt. 11), pp. 616-621, 1995. [5] P. E. K. Donaldson, “Frequency-hopping in r.f. energy-transfer links,” Electronics h Wireless World, pp. 24-26, August 1986. [6] N. Donaldson and T.A. Perkins, “Analysis of resonant coupled coils in the design of radio frequency transcutaneous links,” Med. Biol. Eng. h Cornput., Vol. 21, pp. 612- 627, September 1983; The Seventh Australian and New Zealand Intelligent Information Systems Conference, ANZIIS ; Conference date: 01-11-2001",

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AU - Manoharan, G

AU - Santos, JA

AU - Evans, NE

AU - Anderson, JMCC

AU - Kidawi, BJ

AU - Allen, JD

AU - Adgey, AAJ

N1 - Reference text: [ 1] J. D. Bronzino, The Biomedical Engineering Handbook. CRC Press & IEEE Press, pp. 1275-1291, 1995. [2] L. D. Hillis, J. E. Ormand, and J. T. Willerson, Manual of Clinical Problems in Cardiology, lst Ed., pp. 13-14. Boston, USA: Little Brown and Company, 1980. [3] A. Timmis, and A. Nathan, Essentials of Cardiology, 2"d Ed., pp. 228-239. Blackwell Scientific Publications, 1993. [4] P. Touboul, “Atrial Defibrillator: Is It Needed? Would Society Pay For It?,” PACE, Vol. 18 (Pt. 11), pp. 616-621, 1995. [5] P. E. K. Donaldson, “Frequency-hopping in r.f. energy-transfer links,” Electronics h Wireless World, pp. 24-26, August 1986. [6] N. Donaldson and T.A. Perkins, “Analysis of resonant coupled coils in the design of radio frequency transcutaneous links,” Med. Biol. Eng. h Cornput., Vol. 21, pp. 612- 627, September 1983

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N2 - Atrial fibrillation (AF) is one of the most common sustained cardiac arrhythmias found. Its treatment requires the use of a synchronised electrical shock or drug therapy. This paper describes a new form of electrical defibrillator that employs a two-part, transdermal RF transformer to couple an on-off keyed 7.2 MHz pulse to an implanted, passive receiver; this, in turn, delivers a unipolar DC shock to the heart. Factors influencing the transformer's design are discussed and results from axial and lateral primary/secondary coil displacement trials presented. In animal studies, cardioversion was 100% successful with pulses of 100 V amplitude and 10 ms width. The implant is battery-free, which makes it an attractive and inexpensive alternative for the treatment of AF.

AB - Atrial fibrillation (AF) is one of the most common sustained cardiac arrhythmias found. Its treatment requires the use of a synchronised electrical shock or drug therapy. This paper describes a new form of electrical defibrillator that employs a two-part, transdermal RF transformer to couple an on-off keyed 7.2 MHz pulse to an implanted, passive receiver; this, in turn, delivers a unipolar DC shock to the heart. Factors influencing the transformer's design are discussed and results from axial and lateral primary/secondary coil displacement trials presented. In animal studies, cardioversion was 100% successful with pulses of 100 V amplitude and 10 ms width. The implant is battery-free, which makes it an attractive and inexpensive alternative for the treatment of AF.

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DO - 10.1109/ANZIIS.2001.974096

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