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Effect of the Fixation Patterns on Magnetic Characteristics of Amorphous Glass-Coated Sensoric Microwires

100%

Hudak R., Varga R., Hudak J., Praslicka D., Blazek J., Polacek I., Klein P.

vol. 126

issue 1

417-418

Some of the frequent reasons of titanium implant failures in human body are incorrect biomechanical interactions within the tissue-implant interface and inflammatory processes arising around the implant's application area. For both processes, it is crucial to locate them and intervene in time. One of the monitoring possibilities of the mentioned processes is the application of amorphous glass-coated sensoric microwires (AGCSM). Magnetic characteristics of these microwires are influenced by both mechanical tension (magnetoelastic interaction of the magnetic moment with mechanical stress) and by temperature (different coefficient of thermal expansion of the metal core and glass coating). The key task, in order to change the magnetic characteristics of AGCSM from both clinical and scanning point of view, appears to be the fixation pattern of AGCSM in the implant's body. The presented study shows the impact of four types of AGCSM fixation patterns (at one ending, at both endings, in the middle and along the entire length) on the thermal response process tested in laboratory conditions. The obtained results will enable to establish the AGCSM fixation methodology in the implant's body in order to achieve optimal output temperature parameters form the implant and the tissue-implant interface by magnetic contactless measurements.

Novel Applications of Bistable Magnetic Microwires

68%

Sabol R., Klein P., Ryba T., Hvizdos L., Varga R., Rovnak M., Sulla I., Mudronova D., Galik J., Polacek I., Zivcak J., Hudak R.

Acta Physica Polonica A

2017

vol. 131

issue 4

1150-1152

Few examples of technical and biomedical applications of bistable magnetic microwires are shown. Particularly, application of microwires in civil engineering are shown for sensing the mechanical stress in concrete, steel structure or steel cable by simple gluing it on the surface of studied structure. On the other hand, biomedical applications for sensing the stress, temperature, and position inside the human or animal body are shown. Experiments with pig intestine cells points to the biocompatibility of glass coated microwires.

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2 Acta Physica Polonica A

1 2017

1 2014

2 Hudak R.

2 Klein P.

2 Polacek I.

2 Varga R.

1 Blazek J.

1 Galik J.

1 Hudak J.

1 Hvizdos L.

1 Mudronova D.

1 Praslicka D.

1 Rovnak M.

1 Ryba T.

1 Sabol R.

1 Sulla I.

1 Zivcak J.

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Effect of the Fixation Patterns on Magnetic Characteristics of Amorphous Glass-Coated Sensoric Microwires

Novel Applications of Bistable Magnetic Microwires