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New US device versus imaging US to assess tumor-in-brain

Chinese Neurosurgical Journal 2020年第4期6卷 211-223页

作者： Jacob Halevy-Politch Menashe Zaaroor alon sinai Marius Constantinescu Aerospace Eng. Technion CityHaifaIsrael School of Medicine Technion I.I.T.HaifaIsrael Department of Neurosurgery Rambam HCCHaifaIsrael

Background:Applying ultrasonic imaging system during surgery requires the poring of saline,performing the measurement,and acquiring data from its display—which requires time and is highly“performer dependent,”i.e.,the measure is of a subjective nature.A new ultrasonic device was recently developed that overcomes most of these drawbacks and was successfully applied during tumor-in-brain *** purpose of this study was to compare the two types of US devices and demonstrate their ***:The study was performed in the following stages:(i)an ex vivo experiment,where slices of the muscle and brain of a young porcine were laid one on top the *** and border depths were measured and compared,using the two types of US instruments.(ii)During human clinical neurosurgeries,tumor depth was compared by measuring it with both devices.(iii)Following the success of stages(i)and(ii),using solely the new US device,the tumor thickness was monitored while its ***,Pearson’s coefficient,average,mean,and standard deviation were applied for statistical ***:A high correlation was obtained for the distances of tissue borders and for their respective *** these ultrasonic devices during neurosurgeries,tumor depths were monitored with high similarity(87%),which was also obtained by Pearson’s correlation coefficient(0.44).The new US device,thanks to its small footprint,its remote measurement,and the capability of monitoring intraoperatively and in real-time,provides the approach to tumor’s border before its complete ***:The new US device provides better accuracy than an ultrasonic imaging system;its data is objective;it enables to control the residual tumor thickness during its resection,and it is especially useful in restricted *** features were found of great help during a tumor-in-brain surgery and especially in the final stages of tumor’s resection.

关键词： Neurosurgery Tumor Ultrasound Pulse-echo Residual thickness

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Editing landscapes:Experimental frameworks for territorial-based robotic fabrication

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Frontiers of Architectural Research 2023年第1期12卷 104-117页

作者： Karen Lee Bar-sinai Tal alon-Mozes Aaron Sprecher Faculty of Architecture and Town Planning Technion-Israel Institute of TechnologyHaifa 3200003Israel

With the advent of on-site robotic tools,they can be deployed for editing landscapes e defined as the modulation of grounds with a high degree of sensitivity to matter and *** paper contributes a theoretical grounding and two experimental frameworks for territorial-based robotic *** experimental framework supports a robotic capacity for informing and forming grounds,demonstrated in relation to extreme territories using simulation *** frameworks include(1)a layer-sensitive modulation for protecting topsoil and(2)a performance-based robotic forming for creating wind *** each framework,the paper proposes a setup,an exploration method,and an evaluation *** on the presented frameworks,the paper outlines three potentials of territorialbased robotic fabrication:the capability to modulate grounds vertically,the possibility to perform cross-scalar forming,and the opportunity to form dynamic,performative *** paper concludes with potential ways in which robotic tools could be leveraged for advancing precise landscape editing across scales.

关键词： Landscape modulation Robotic fabrication Informing grounds Performative design Territorial-based design

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