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New material for implantable cardiac leads

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Presentation on theme: "New material for implantable cardiac leads"— Presentation transcript:

1 New material for implantable cardiac leads
S. Suave Lobodzinski, PhD, Michael Laks, MD  Journal of Electrocardiology  Volume 42, Issue 6, Pages (November 2009) DOI: /j.jelectrocard Copyright © 2009 Elsevier Inc. Terms and Conditions

2 Fig. 1 Technical parameters of Zylon AS and HM. HM is different from AS in modulus, moisture regain, and other properties. Journal of Electrocardiology  , DOI: ( /j.jelectrocard ) Copyright © 2009 Elsevier Inc. Terms and Conditions

3 Fig. 2 Stress-strain characteristic of the PBO HM fibers as compared with other high-performance fibers. Journal of Electrocardiology  , DOI: ( /j.jelectrocard ) Copyright © 2009 Elsevier Inc. Terms and Conditions

4 Fig. 3 Strength-twist relationship.
Journal of Electrocardiology  , DOI: ( /j.jelectrocard ) Copyright © 2009 Elsevier Inc. Terms and Conditions

5 Fig. 4 Creep resistance of the Zylon fibers.
Journal of Electrocardiology  , DOI: ( /j.jelectrocard ) Copyright © 2009 Elsevier Inc. Terms and Conditions

6 Fig. 5 Effect of temperature (°C) on strength and modulus.
Journal of Electrocardiology  , DOI: ( /j.jelectrocard ) Copyright © 2009 Elsevier Inc. Terms and Conditions

7 Fig. 6 Zylon resistance to strong inorganic acids as a function of time (hours). Journal of Electrocardiology  , DOI: ( /j.jelectrocard ) Copyright © 2009 Elsevier Inc. Terms and Conditions

8 Fig. 7 Zylon resistance to alkalines.
Journal of Electrocardiology  , DOI: ( /j.jelectrocard ) Copyright © 2009 Elsevier Inc. Terms and Conditions

9 Fig. 8 Moisture pickup by Zylon fibers.
Journal of Electrocardiology  , DOI: ( /j.jelectrocard ) Copyright © 2009 Elsevier Inc. Terms and Conditions

10 Fig. 9 A, Relationship between the tensile modulus and the frequency of the fatigue for different strain vales. B, Relationship between the tensile relative modulus and the frequency of the fatigue for different strain vales. Journal of Electrocardiology  , DOI: ( /j.jelectrocard ) Copyright © 2009 Elsevier Inc. Terms and Conditions

11 Fig. 10 A, Longitudinal property of PBO and Kevlar. B, Relationship between torque and twist angle of the rod. Journal of Electrocardiology  , DOI: ( /j.jelectrocard ) Copyright © 2009 Elsevier Inc. Terms and Conditions

12 Fig. 11 Scanning electron micrograph of the cross-section of gold-metallized PBO multiple-strand fiber. Journal of Electrocardiology  , DOI: ( /j.jelectrocard ) Copyright © 2009 Elsevier Inc. Terms and Conditions

13 Fig. 12 Paced electrocardiogram recording obtained by a sensing PBO fiber placed in the dog's right ventricle. Journal of Electrocardiology  , DOI: ( /j.jelectrocard ) Copyright © 2009 Elsevier Inc. Terms and Conditions

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