Esophagus

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The esophagus (or oesophagus) is an organ in vertebrates which consists of a muscular tube through which food passes from the pharynx to the stomach. (Wikipedia.org)






Conferences related to Esophagus

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Oceans 2020 MTS/IEEE GULF COAST

To promote awareness, understanding, advancement and application of ocean engineering and marine technology. This includes all aspects of science, engineering, and technology that address research, development, and operations pertaining to all bodies of water. This includes the creation of new capabilities and technologies from concept design through prototypes, testing, and operational systems to sense, explore, understand, develop, use, and responsibly manage natural resources.

  • OCEANS 2018 MTS/IEEE Charleston

    Ocean, coastal, and atmospheric science and technology advances and applications

  • OCEANS 2017 - Anchorage

    Papers on ocean technology, exhibits from ocean equipment and service suppliers, student posters and student poster competition, tutorials on ocean technology, workshops and town meetings on policy and governmental process.

  • OCEANS 2016

    The Marine Technology Scociety and the Oceanic Engineering Society of the IEEE cosponor a joint annual conference and exposition on ocean science, engineering, and policy. The OCEANS conference covers four days. One day for tutorials and three for approx. 500 technical papers and 150 -200 exhibits.

  • OCEANS 2015

    The Marine Technology Scociety and the Oceanic Engineering Society of the IEEE cosponor a joint annual conference and exposition on ocean science, engineering, and policy. The OCEANS conference covers four days. One day for tutorials and three for approx. 450 technical papers and 150-200 exhibits.

  • OCEANS 2014

    The OCEANS conference covers four days. One day for tutorials and three for approx. 450 technical papers and 150-200 exhibits.

  • OCEANS 2013

    Three days of 8-10 tracks of technical sessions (400-450 papers) and concurent exhibition (150-250 exhibitors)

  • OCEANS 2012

    Ocean related technology. Tutorials and three days of technical sessions and exhibits. 8-12 parallel technical tracks.

  • OCEANS 2011

    The Marine Technology Society and the Oceanic Engineering Scociety of the IEEE cosponsor a joint annual conference and exposition on ocean science engineering, and policy.

  • OCEANS 2010

    The Marine Technology Society and the Oceanic Engineering Scociety of the IEEE cosponsor a joint annual conference and exposition on ocean science engineering, and policy.

  • OCEANS 2009

  • OCEANS 2008

    The Marine Technology Society (MTS) and the Oceanic Engineering Society (OES) of the Institute of Electrical and Electronic Engineers (IEEE) cosponsor a joint conference and exposition on ocean science, engineering, education, and policy. Held annually in the fall, it has become a focal point for the ocean and marine community to meet, learn, and exhibit products and services. The conference includes technical sessions, workshops, student poster sessions, job fairs, tutorials and a large exhibit.

  • OCEANS 2007

  • OCEANS 2006

  • OCEANS 2005

  • OCEANS 2004

  • OCEANS 2003

  • OCEANS 2002

  • OCEANS 2001

  • OCEANS 2000

  • OCEANS '99

  • OCEANS '98

  • OCEANS '97

  • OCEANS '96


2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII)

The world's premiere conference in MEMS sensors, actuators and integrated micro and nano systems welcomes you to attend this four-day event showcasing major technological, scientific and commercial breakthroughs in mechanical, optical, chemical and biological devices and systems using micro and nanotechnology.The major areas of activity in the development of Transducers solicited and expected at this conference include but are not limited to: Bio, Medical, Chemical, and Micro Total Analysis Systems Fabrication and Packaging Mechanical and Physical Sensors Materials and Characterization Design, Simulation and Theory Actuators Optical MEMS RF MEMS Nanotechnology Energy and Power


2019 41st Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

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


2019 IEEE 15th International Conference on Automation Science and Engineering (CASE)

The conference is the primary forum for cross-industry and multidisciplinary research in automation. Its goal is to provide a broad coverage and dissemination of foundational research in automation among researchers, academics, and practitioners.


2019 IEEE 16th International Symposium on Biomedical Imaging (ISBI)

The IEEE International Symposium on Biomedical Imaging (ISBI) is the premier forum for the presentation of technological advances in theoretical and applied biomedical imaging.ISBI 2019 will be the 16th meeting in this series. The previous meetings have played a leading role in facilitating interaction between researchers in medical and biological imaging. The 2019 meeting will continue this tradition of fostering cross fertilization among different imaging communities and contributing to an integrative approach to biomedical imaging across all scales of observation.


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Periodicals related to Esophagus

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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.


Industrial Electronics, IEEE Transactions on

Theory and applications of industrial electronics and control instrumentation science and engineering, including microprocessor control systems, high-power controls, process control, programmable controllers, numerical and program control systems, flow meters, and identification systems.


Information Technology in Biomedicine, IEEE Transactions on

Telemedicine, teleradiology, telepathology, telemonitoring, telediagnostics, 3D animations in health care, health information networks, clinical information systems, virtual reality applications in medicine, broadband technologies, and global information infrastructure design for health care.


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.


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Xplore Articles related to Esophagus

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On the prediction of speech quality ratings of tracheoesophageal speech using an auditory model

2008 IEEE International Conference on Acoustics, Speech and Signal Processing, 2008

Total laryngectomy is often the treatment of choice for many patients suffering from laryngeal cancer. This procedure alters the speech production mechanism, and tracheoesophageal (TE) speech is an alternative where the pulmonary air is forced through the esophagus. TE speech is often characterized by poor intelligibility and voice quality. Acoustic analysis of TE speech has the potential of quantifying the ...


Wavelet Decomposition for the Analysis of Esophageal Manometric Data in the Study of Gastroesophageal Reflux Disease

2007 IEEE Biomedical Circuits and Systems Conference, 2007

Wavelet decomposition is gaining attention as a novel signal processing tool for analyzing nonlinear time-series. Compared to traditional Fourier transform, wavelet transform better represents functions exhibiting discontinuities and sudden changes. As such, wavelet-based techniques are strong candidates for the analysis of bio-signals (e.g. gastric and esophageal signals), in which, sudden changes and sharp peaks are likely. For the first time, ...


An implantable batteryless wireless impedance sensor for gastroesophageal reflux diagnosis

2010 IEEE MTT-S International Microwave Symposium, 2010

A new method for long term monitoring of gastroesophageal reflux is presented. The impedance of the reflux in the esophagus can be determined remotely without the need of a battery in the sensor implant. The implant includes an energy harvesting circuit, sensing electrodes, an antenna and an impedance to frequency converter. An external reader provides power to the implant and ...


Analysis of gastric multiparameter clinical experiments

Proceedings of 16th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 1994

This paper introduces a gastric multiparameter monitoring system, gives the method of clinical experiment and then analyzes several results. The results show that monitoring gastric pH, pressure, temperature and electrogastrography (EGG) can help us to view the results of medical and therapeutic methods.


Prediction of mechanical behaviour from histology in thin collagenous tissues

2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2015

A method of generating a rough, robust estimate of tensile modulus, elongation at break, and tear out of tissue from histology for the purpose of accelerating medical device and simulator design is presented. The known properties of the individual structural components of tissue are utilized by organizing these components according to existing histological data. This method was able to predict ...


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Educational Resources on Esophagus

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IEEE-USA E-Books

  • On the prediction of speech quality ratings of tracheoesophageal speech using an auditory model

    Total laryngectomy is often the treatment of choice for many patients suffering from laryngeal cancer. This procedure alters the speech production mechanism, and tracheoesophageal (TE) speech is an alternative where the pulmonary air is forced through the esophagus. TE speech is often characterized by poor intelligibility and voice quality. Acoustic analysis of TE speech has the potential of quantifying the voice quality and assisting the speech pathologist in determining and monitoring the therapy process. In this paper, we apply two different methods for predicting the voice quality ratings of TE speakers by naive listeners: (a) conventional spectral and linear prediction measurements that were investigated in earlier studies, and (b) a methodology based on a perceptual auditory model that attempts to mimic the speech quality perception by a normal hearing listener. Experimental results with a database of 35 TE speakers showed that the auditory-model based approach significantly outperforms the traditional methods.

  • Wavelet Decomposition for the Analysis of Esophageal Manometric Data in the Study of Gastroesophageal Reflux Disease

    Wavelet decomposition is gaining attention as a novel signal processing tool for analyzing nonlinear time-series. Compared to traditional Fourier transform, wavelet transform better represents functions exhibiting discontinuities and sudden changes. As such, wavelet-based techniques are strong candidates for the analysis of bio-signals (e.g. gastric and esophageal signals), in which, sudden changes and sharp peaks are likely. For the first time, this paper applies wavelet decomposition to the analysis of esophageal manometric data, which is critical in the diagnosis of gastroesophageal reflux disease. Simulation results of wavelet decomposition are compared with those of a recent approach based on empirical mode decomposition. Such comparison shows that wavelet decomposition leads to better results in terms of number of decomposition coefficients (15 versus 17), CPU-time (0.5 s versus 75 s), and signal-to-background ratio (0.97 versus 0.85).

  • An implantable batteryless wireless impedance sensor for gastroesophageal reflux diagnosis

    A new method for long term monitoring of gastroesophageal reflux is presented. The impedance of the reflux in the esophagus can be determined remotely without the need of a battery in the sensor implant. The implant includes an energy harvesting circuit, sensing electrodes, an antenna and an impedance to frequency converter. An external reader provides power to the implant and measures the impedance values simultaneously. A prototype with an overall size of 0.5cm×1cm×3.1cm was made with a printed circuit board and discrete components, and packaged in polydimethylsiloxane. In vivo experiments were conducted in pig cadavers. The results show good correlation between impedance and pH values of the solutions flushed into the esophagus, and good signal-to- noise ratios with the transducer inside the body. The batteryless wireless impedance sensor is able to detect every reflux episode, either acid or non- acid, which provides more accurate diagnosis for the gastroesophageal reflux disease.

  • Analysis of gastric multiparameter clinical experiments

    This paper introduces a gastric multiparameter monitoring system, gives the method of clinical experiment and then analyzes several results. The results show that monitoring gastric pH, pressure, temperature and electrogastrography (EGG) can help us to view the results of medical and therapeutic methods.

  • Prediction of mechanical behaviour from histology in thin collagenous tissues

    A method of generating a rough, robust estimate of tensile modulus, elongation at break, and tear out of tissue from histology for the purpose of accelerating medical device and simulator design is presented. The known properties of the individual structural components of tissue are utilized by organizing these components according to existing histological data. This method was able to predict the elastic modulus of esophageal tissue by layer and direction with accuracy close to the standard deviation of the tissue properties, to provide a robust upper limit on tear out force for small (<;0.2mm or 3-0) sutures or clips, and predict force distribution between the layers during tear out.

  • Development of a Tracking Algorithm for an In-Vivo RF Capsule Prototype

    This paper presents the design of a tracking algorithm for an in-vivo capsule swallowed by patients. Such devices play a very important role in the diagnosis and treatment of internal disorders, for example, in the digestive tract. Tracking the location of the capsule as it travels down the digestive tract is critical to ensure its position near the affected area. Various sensing mechanisms that can be applied for tracking the capsule include the use of radio frequency and magnetic signals. The work reported in this paper mainly focuses on the development of an intelligent tracking algorithm that could potentially be coupled with a variety of sensing technologies. In this paper we use RF-based capsule and sensor prototypes for developing and testing the tracking algorithm. Encouraging practical results have been obtained which demonstrate the validity of the tracking algorithm and the underlying look-up table based methodology

  • Integration of catheter flow sensor onto tracheal intubation tube system

    A MEMS flow sensor was integrated into the tracheal intubation tube system to avoid the misguided insertion of the tube into the esophagus. MEMS technology was used to fabricate a thermal flow sensor onto a flexible polyimide film, and then a heat shrinkable tube was used as packaging to mount it on the inside surface of the tube to produce a catheter flow sensor configuration. The catheter flow sensor was integrated into the inside of the slip joint by using an adapter produced using a molding process. The relationship between the sensor output and the flow rate was evaluated, and closely-matched sensor outputs for both the forward and backward flows were obtained. The tracheal tube in the developed system was inserted into the air passage of a rabbit, and the air flow passing through the tube was directly measured by the integrated catheter flow sensor in real-time. We believe that a doctor can easily evaluate whether the tube is inserted into the bronchi or the esophagus when using our system.

  • Chaotic feature of water swallowing sound signal revealed by correlation dimension

    When a person drinks some water, the water will flow via pharynx, esophagus, cardia of stomach and finally into stomach. In the process, the sound produced is called water swallowing (WS) sound. The chaotic feature of WS sound signal was investigated. WS sounds acquired with an acoustic pickup attached to the abdominal walls of healthy subjects and analyzed with a computer-aided sound analysis program. Phase space was reconstructed from the sound signal time series of 5 episode WS sound signals and attractors were plotted. Correlation dimensions (CD) of the attractors in 4-dimension phase space were calculated. All attractors exhibited complex pattern as strange attractors and all CD values were non-integer. The dynamic behavior of the WS sound signals of normal subjects was chaotic.

  • Case-based reasoning (CBR) in endoscopic images diagnosis aid

    The computerized and sophisticated version of medical atlases aims at constituting iconographic bases and at developing "intelligent" tools, thus allowing image retrieval according to several modalities. Such atlases are consequently used as assistance tools for physicians, at the same time for medical diagnosis, formation and research. Therefore, the study described is directed at upper digestive endoscopy and its imagery with the aim of conceiving a computer-assisted diagnosis system. It will be articulated around a base of images on which will be supported case-based reasoning), adapted to elucidate a case-in fact, to find the similar ones to it. Moreover, a knowledge base describing endoscopic pathologies is destined to take place of a control unit of coherence for similarities search.

  • New mechanism of protection of an organism from free radxcals of an external environmental

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