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ULTRASONIC CONTACT PROBE, AN EXPERIMENTAL STUDY (CROSBI ID 477786)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Štimac, Dinko ; Paladino, Josip ; Štimac, Alan ULTRASONIC CONTACT PROBE, AN EXPERIMENTAL STUDY // Zbornik radova. 1999

Podaci o odgovornosti

Štimac, Dinko ; Paladino, Josip ; Štimac, Alan

engleski

ULTRASONIC CONTACT PROBE, AN EXPERIMENTAL STUDY

A new contact ultrasonic probe was made (1.6 mm in diameter), and its effect was studied on 120 rats brain. Ultrasonic energy of this probe was applied on Wistar rats cortex and subcortial matter in frontoparietal region. Different power and duration of ultrasonic energy were used. The animals were sacrified in different period after surgery. Light microscopy and electron microscopy were than applied. Ultrasonic contact probe caused minimal lesion of surrounding brain tissue. A small zone of termic lesion has been noted as well as very small zone of microstructural disturbances. A three different zones of changed brain tissue were found: dezintegration zone immediatelly around ultrasonic probe; termic lesion zone and zone of micromolecular structures lesion (ER, mitochondria, nucleus membrane, lisosoms). All of these lesions depends lineary of applied ultrasonic energy power as well as time of exposition. Therefore, contact ultrasonic probe seems to be an useful instruments for endoscopically assisted neurosurgery (e.g. third ventriculostomy). Our further intention is going to this contact ultrasonic probe in clinical investigations.

CUSA; ultrasound; probe

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Podaci o prilogu

1999.

objavljeno

Podaci o matičnoj publikaciji

Zbornik radova

Podaci o skupu

Drugi Hrvatski Neurokirurški Kongres

predavanje

20.10.1999-23.10.1999

Opatija, Hrvatska

Povezanost rada

Elektrotehnika