Conferences related to Kidney stones

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2021 IEEE Pulsed Power Conference (PPC)

The Pulsed Power Conference is held on a biannual basis and serves as the principal forum forthe exchange of information on pulsed power technology and engineering.


2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted papers will be peer reviewed. Accepted high quality papers will be presented in oral and postersessions, will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE


2020 IEEE International Conference on Image Processing (ICIP)

The International Conference on Image Processing (ICIP), sponsored by the IEEE SignalProcessing Society, is the premier forum for the presentation of technological advances andresearch results in the fields of theoretical, experimental, and applied image and videoprocessing. ICIP 2020, the 27th in the series that has been held annually since 1994, bringstogether leading engineers and scientists in image and video processing from around the world.


2020 IEEE International Conference on Plasma Science (ICOPS)

IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.


2020 IEEE International Conference on Robotics and Automation (ICRA)

The International Conference on Robotics and Automation (ICRA) is the IEEE Robotics and Automation Society’s biggest conference and one of the leading international forums for robotics researchers to present their work.


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Periodicals related to Kidney stones

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Biomedical Engineering, IEEE Reviews in

The IEEE Reviews in Biomedical Engineering will review the state-of-the-art and trends in the emerging field of biomedical engineering. This includes scholarly works, ranging from historic and modern development in biomedical engineering to the life sciences and medicine enabled by technologies covered by the various IEEE societies.


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Engineering in Medicine and Biology Magazine, IEEE

Both general and technical articles on current technologies and methods used in biomedical and clinical engineering; societal implications of medical technologies; current news items; book reviews; patent descriptions; and correspondence. Special interest departments, students, law, clinical engineering, ethics, new products, society news, historical features and government.


Magnetics, IEEE Transactions on

Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The Transactions publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.


Medical Imaging, IEEE Transactions on

Imaging methods applied to living organisms with emphasis on innovative approaches that use emerging technologies supported by rigorous physical and mathematical analysis and quantitative evaluation of performance.


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Xplore Articles related to Kidney stones

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Piezoelectric shock wave generator with electronic focusing

IEEE 1991 Ultrasonics Symposium,, 1991

Electrohydraulic, electromagnetic and piezoelectric shock wave generators used in the treatment of renal calculi and gallstones have their focal zone determined by their geometrical parameters. A piezoelectric shock wave generator with electronic focalization is proposed. The system is composed of a bidimensional array of 25 piezoelectric independent transducers arranged in a spherical shell 10 cm in diameter. The electronic circuitry ...


Computed tomography of kidney stones for extracorporeal shock wave lithotripsy

2006 International Conference of the IEEE Engineering in Medicine and Biology Society, 2006

Methods to predict fragmentation efficiency are still needed for extracorporeal shock wave lithotripsy (ESWL). Imaging studies of kidney stones could be a useful tool to guide ESWL. Artificial and real kidney stones were analyzed using standard clinical CT imaging procedures. The objective was to compare CT image properties of phantom and real kidney stones. Image properties of both groups were ...


Piezoelectric effect in renal calculi

IEEE Transactions on Biomedical Engineering, 1991

The piezoelectric effect was investigated for the first time in renal calculi in vitro. The kidney stones were shaped from solid samples as well as from stones crushed into powder and pressed into tablets. The dissipation factor and dielectric loss factor of the solid stone specimen are found to be higher than that for the powdered stoned tablets. The major ...


A 3D ultrasound renal calculi fragmentation image analysis system for extracorporeal shock wave lithotripsy

2010 International Symposium on Computer, Communication, Control and Automation (3CA), 2010

Extracorporeal shock wave lithotripsy (ESWL) is the most effective and common practice for the treatment of renal calculi. After the treatment X-ray or ultrasound images are used to visually estimate the fragmentation of the stone. Unfortunately, up to now, there is not any method for quantitative estimation of the fragmentation level from ultrasound images. Conventional ultrasound image systems acquire two ...


Extraction and dimensionality reduction of features for Renal Calculi detection and artifact differentiation from segmented ultrasound kidney images

2016 3rd International Conference on Computing for Sustainable Global Development (INDIACom), 2016

Ultrasound Medical images are populated with many unwanted features and it is important to extract only the relevant information from it to reduce the complexity. In this work, RCD-AD (Renal Calculi Detection-Artifact Differentiation), Fourteen features are extracted and these extracted attributes are analyzed to give some convention for the problem which is essential for knowledge extraction. GLCM (Gray Level Co ...


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Educational Resources on Kidney stones

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IEEE-USA E-Books

  • Piezoelectric shock wave generator with electronic focusing

    Electrohydraulic, electromagnetic and piezoelectric shock wave generators used in the treatment of renal calculi and gallstones have their focal zone determined by their geometrical parameters. A piezoelectric shock wave generator with electronic focalization is proposed. The system is composed of a bidimensional array of 25 piezoelectric independent transducers arranged in a spherical shell 10 cm in diameter. The electronic circuitry of the system includes 25 pulsers. The interdelay of each channel can be adjusted between 10 ns and 100 mu s by steps of 10 ns. The pressure at the surface of the shell was 22*10/sup 5/ Pa. The focal point can be electronically moved in an ellipsoidal zone 3 cm in diameter and 4 cm long. These values are large enough to follow the displacement of the renal calculus during respiration.<<ETX>>

  • Computed tomography of kidney stones for extracorporeal shock wave lithotripsy

    Methods to predict fragmentation efficiency are still needed for extracorporeal shock wave lithotripsy (ESWL). Imaging studies of kidney stones could be a useful tool to guide ESWL. Artificial and real kidney stones were analyzed using standard clinical CT imaging procedures. The objective was to compare CT image properties of phantom and real kidney stones. Image properties of both groups were compared and show a good agreement between them. These preliminary images will be used to measure CT attenuation coefficients of real and artificial stones and find a relationship between attenuation values and the fragmentation coefficient of renal calculi exposed to shock waves

  • Piezoelectric effect in renal calculi

    The piezoelectric effect was investigated for the first time in renal calculi in vitro. The kidney stones were shaped from solid samples as well as from stones crushed into powder and pressed into tablets. The dissipation factor and dielectric loss factor of the solid stone specimen are found to be higher than that for the powdered stoned tablets. The major constituents in the calculi are calcium oxalate, calcium phosphate, uric acid, and alpha-quartz (a new finding). The presence of alpha-quartz helps to explain the piezoelectric property of the kidney stones. The piezoelectric voltage developed would assist in fast disruption of stones.<<ETX>>

  • A 3D ultrasound renal calculi fragmentation image analysis system for extracorporeal shock wave lithotripsy

    Extracorporeal shock wave lithotripsy (ESWL) is the most effective and common practice for the treatment of renal calculi. After the treatment X-ray or ultrasound images are used to visually estimate the fragmentation of the stone. Unfortunately, up to now, there is not any method for quantitative estimation of the fragmentation level from ultrasound images. Conventional ultrasound image systems acquire two dimensional images. In this study we propose that such two dimensional images can assemble three dimensional images acquired along the duration of the treatment and apply Grey-Level Co- occurrence Matrix (GLCM) texture measurements to produce a fragmentation level measurement figure. Measurements with phantoms and simulated stone models were used to demonstrate the effectiveness of the proposed method. The results showed that there are significant variations between different texture features but different fragmentation levels can be correlated to different values of the texture features.

  • Extraction and dimensionality reduction of features for Renal Calculi detection and artifact differentiation from segmented ultrasound kidney images

    Ultrasound Medical images are populated with many unwanted features and it is important to extract only the relevant information from it to reduce the complexity. In this work, RCD-AD (Renal Calculi Detection-Artifact Differentiation), Fourteen features are extracted and these extracted attributes are analyzed to give some convention for the problem which is essential for knowledge extraction. GLCM (Gray Level Co Occurrence Matrix) is used for the extraction of features from the segmented ROI (Renal Calculi/Artifact) which serves as a statistical tool to pull out the Second order textural features. Clustering based feature discretization using k-means is performed on these different classes of attributes which are extracted from the system. As the number of features increase, the amount of computation also increases. A good quality feature depends on the statistical measures such as feature variance, Inter class variation and Intra class variation. Principal Component Analysis is used as a Feature reduction technique in RCD-AD medical images.

  • Ultrasonic parameters of renal calculi

    Ultrasonic parameters such as ultrasonic velocity, acoustic impedance, attenuation, dynamic modulus of elasticity, coefficient of reflectance and transmittance have been determined for several renal calculi samples, in vitro. These parameters are studied by using a single probe method (pulse echo) in liquid form at different concentrations (gm/cc). It was found that as the concentration increases, the ultrasonic velocity increases. A pulse receiver (model Panametries-5052 PR) was used to excite the transducer (2.5 MHz) and the output was given to CRO (model-OS-300C, 20 MHz). A sample holder assembly was used in the present work. The authors have also determined all acoustic parameter mentioned above by using a double-probe through- transmission method for several renal calculi samples in the solid rock form. The present study would help in determining the design parameters to design and develop a simple kidney stone lithotripter.

  • Detection Of Alpha-quartz in renal Calculi By X-ray Fluorescence Technique

    None

  • Stress-generated potential in renal calculi and lithotripsy

    The renal calculi in the kidney cause discomfort to the patient, and should be removed in time. These days, these stones are removed by non-invasive techniques like extracorporeal shock wave lithotripsy. The actual mechanisms of disintegration are, however, not fully known, though cavitation is an accepted phenomenon. As the renal calculi are piezo-electric in nature, a voltage potential is found to occur in these stones, which is studied here as one of the new phenomena of the disintegration.

  • Non-invasive comminution of renal calculi using pulsed cavitational ultrasound therapy - histotripsy

    The current clinically available procedure for non-invasively treating renal calculi, extracorporeal shock wave lithotripsy (ESWL), suffers from the fact that it can result in incomplete fractionation of the stone and confer damage to both renal and extra-renal tissues. We assessed the feasibility of using histotripsy to non-invasively erode kidney stones to fine debris and performed a comparison study with a piezoelectric lithotripter. Eight Ultracal-30 model stones were treated for five minutes with each modality. The results show the following: (1) 100% of stone debris produced by histotripsy was less than 100 ¿m in diameter, while 32% of that produced by lithotripsy exceeded 2 mm. (2) Histotripsy achieved a stone erosion rate of 26 mg/min; the fragmentation rate with lithotripsy was 111 mg/min. (3) Treatment of stones embedded in a tissue- phantom for visualizing cavitation damage indicated that minimal collateral damage is produced by each modality. (4) Acoustic backscatter measurements suggest that loss of stone mass is highly correlated with the extent of bubble cloud activity with histotripsy.

  • Review on Lithotripsy and Cavitation in Urinary Stone Therapy

    Cavitation is the sudden formation of vapor bubbles or voids in liquid media and occurs after rapid changes in pressure as a consequence of mechanical forces. It is mostly an undesirable phenomenon. Although the elimination of cavitation is a major topic in the study of fluid dynamics, its destructive nature could be exploited for therapeutic applications. Ultrasonic and hydrodynamic sources are two main origins for generating cavitation. The purpose of this review is to give the reader a general idea about the formation of cavitation phenomenon and existing biomedical applications of ultrasonic and hydrodynamic cavitation. Because of the high number of the studies on ultrasound cavitation in the literature, the main focus of this review is placed on the lithotripsy techniques, which have been widely used for the treatment of urinary stones. Accordingly, cavitation phenomenon and its basic concepts are presented in Section II. The significance of the ultrasound cavitation in the urinary stone treatment is discussed in Section III in detail and hydrodynamic cavitation as an important alternative for the ultrasound cavitation is included in Section IV. Finally, side effects of using both ultrasound and hydrodynamic cavitation in biomedical applications are presented in Section V.



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