Bio Compatible Microsystem Packaging of VCSELaser for Implantable Devices
|
|
|
- Daisy Ashlee Casey
- 6 years ago
- Views:
Transcription
1 Bio Compatible Microsystem Packaging of VCSELaser for Implantable Devices Dr Alexander Steinecker, CSEM, Alpnach (CH) EPoSS Annual Forum, Torino (IT),
2 Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 1
3 The miracle of hearing Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 2
4 Cochlear Implants a technical masterpiece Source: Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 3
5 Cochlear Implants Background Areas in cochlear correspond to acoustic frequency Degradation of sound transmission in the inner ear can be bridged high frequencies (> 10 khz) low frequencies (< 100 Hz) Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 4
6 Limitations of electrical stimulation Very sensitive localfrequency response within cochlear, mismatch acoustic vs. Electric hearing From one to four electrodes rapid improvement achieved, above 4 20 no detectable advantage Nerve Cell tissue damage due to direct high current stimulation density Source: Clark G. The multi-channel cochlear implant: past, present and future perspectives. Cochlear Implants Int. 2009;10 Suppl. 1:2-13 Poor spatial resolution with electric stimulation Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 5
7 Advantages ofopto acoustical stimulation Telecom VCSEL Laser pulses in water generate acoustic signals «Optophony» Spectral response enables high temporal and frequency selective stimulation Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 6
8 Project Reference EU STREP ICT EU Project STREP ICT FP7 ACTION ACTive Implant for Optoacoustic Natural sound enhancement Enhance hearing experience for severely impaired patients by eliminating limitations in spatial and temporal excitation of cochlear implants based on electrical stimulation Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 7
9 Overview of innovation areas in optical cochlear device Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 8
10 Key technology components for optical stimulation Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 9
11 Optical Cochlear Microsystem I Packaging Housing State of the art: Biocompatible housing materials Ti, Ta Drastic size reduction (<800µm dia), hermetic enclosure with low temperature sealing process (<250 C for few seconds) 1mm Transparency in IR range Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 10
12 Optical Cochlear Microsystem II Packaging Connections State of the art feedthrough 4mm width hermetic low temperature sealing with approved long term biocompatible materials (ceramics and highly biocompatible metals such as Nb, Pt, Ti) Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 11
13 Optical Cochlear Microsystem III Biocompatible Sapphire Lens Sapphire lens for high biocompatibility Plasma reactive ion etching (RIE ICP) only manufacturing option for micro optics in sapphire on Wafer Level Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 12
14 Optical Cochlear Microsystem IV VCSEL arrays Long wavelength VCSEL with superior performance for 1.3 μm< 2.3 μm Parameter Value Laser array 10 x 10 Wavelength nm Peak output power > 20 mw Operating range o C Drive current <30 ma optimized for maximum efficiency at human body temperature Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 13
15 Optical Cochlear Microsystem V Biocompatible flex circuit (ST Microelectronics/CSEM) Flex circuit Platinum, Niobium, Tantalum, Biocompatible polymers Highly flexible Chip on wire technology Chip integrated directly on wire High throughput Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 14
16 Leading edge European Medical device manufacturing Miniaturization Advanced Long Wavelenth VCSEL Laser Biocompatible Flexprint Low temperature biocompatible hermetic enclosure Biocompatible microlens at wafer scale Semiautomatic small scale packaging Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 15
17 Thanks to our cooperation partners and funding bodies! Reference: James, R.Jose, Low Temperature Hermetic Sealing for Implantable Medical Systems, 2010 R.Jose James, CSEM SA This project is supported by the EU Commission, the European Research Funding organisation under FP7 STREP ICT Program Grant No Copyright 2014 CSEM Alexander Steinecker EPoSS Annual Forum, , VCSELs for Bio Implants Page 16
Optical cochlear implant project
Optical cochlear implant project Dr.-Ing. Stefan Mohrdiek MNBS 2014 LAAS, Toulouse 21 & 22 October 2014 This project is supported by the EU Commission, the European Research Funding organization under
Technology Challenges for Active Cardiac Implantable Devices. Alain Ripart Senior VP and CSO
Technology Challenges for Active Cardiac Implantable Devices Alain Ripart Senior VP and CSO Heart rhythm disorders and associated therapy devices Bradycardia Pacemaker Atrial Arrhythmias Pacemaker Ventricular
An Auditory-Model-Based Electrical Stimulation Strategy Incorporating Tonal Information for Cochlear Implant
Annual Progress Report An Auditory-Model-Based Electrical Stimulation Strategy Incorporating Tonal Information for Cochlear Implant Joint Research Centre for Biomedical Engineering Mar.7, 26 Types of Hearing
MED-EL Medical Electronics
Innsbruck, Austria, February 2018 PRESS INFORMATION MED-EL Medical Electronics MED-EL, headquartered in Innsbruck, Austria, is a leading provider of hearing implant systems. The privately-owned business
ScienceDirect. Design and Fabrication of Fully Implantable MEMS Cochlea
Available online at www.sciencedirect.com ScienceDirect Procedia Engineering 100 (2015 ) 1224 1231 5th DAAAM International Symposium on Intelligent Manufacturing and Automation, DAAAM 2014 Design and Fabrication
Cochlear Technology Centre Europe
Cochlear Technology Centre Europe Ben Kloeck Work Package 8 Cochlear Implant Work Package Objectives Main objectives: Technology development for future products Better performance Smaller size Reduce cost
SOLUTIONS Homework #3. Introduction to Engineering in Medicine and Biology ECEN 1001 Due Tues. 9/30/03
SOLUTIONS Homework #3 Introduction to Engineering in Medicine and Biology ECEN 1001 Due Tues. 9/30/03 Problem 1: a) Where in the cochlea would you say the process of "fourier decomposition" of the incoming
Kirsten Zernask-Cebek Doralice Ferreira. Cochlear Implants
Kirsten Zernask-Cebek Doralice Ferreira Cochlear Implants What you will expect to Hear Sound Anatomy of the Ear Anatomy of the Cochlea Process of Hearing Hearing Loss Cochlear Implants How it works Biomaterials
Proceedings Thin Film PZT Acoustic Sensor for Fully Implantable Cochlear Implants
Proceedings Thin Film PZT Acoustic Sensor for Fully Implantable Cochlear Implants Bedirhan İlik 1,2, Aziz Koyuncuoğlu 2, Hasan Uluşan 1, Salar Chamanian 1, Dilek Işık 2, Özlem Şardan-Sukas 2 and Haluk
What you re in for. Who are cochlear implants for? The bottom line. Speech processing schemes for
What you re in for Speech processing schemes for cochlear implants Stuart Rosen Professor of Speech and Hearing Science Speech, Hearing and Phonetic Sciences Division of Psychology & Language Sciences
SMART ACTIVE IMPLANTABLE MEDICAL DEVICES: A VISION FOR THE FUTURE
SMART ACTIVE IMPLANTABLE MEDICAL DEVICES: A VISION FOR THE FUTURE Alain Ripart Senior Scientific Advisor Sorin Group September 27, 2012 Personalized medicine delivered by implanted devices is exploding
Essential feature. Who are cochlear implants for? People with little or no hearing. substitute for faulty or missing inner hair
Who are cochlear implants for? Essential feature People with little or no hearing and little conductive component to the loss who receive little or no benefit from a hearing aid. Implants seem to work
Development of Silicon Microelectrodes for Cochlear Implant Technology
Development of Silicon Microelectrodes for Cochlear Implant Technology Joanna R. Parker*. H. Barry Hanison**.Graeme M. Clark*. Jim Patrick*. OlafReinhol~ * Cooperative Research Centre/or Cochlear Implant,
Essential feature. Who are cochlear implants for? People with little or no hearing. substitute for faulty or missing inner hair
Who are cochlear implants for? Essential feature People with little or no hearing and little conductive component to the loss who receive little or no benefit from a hearing aid. Implants seem to work
Implementation of Spectral Maxima Sound processing for cochlear. implants by using Bark scale Frequency band partition
Implementation of Spectral Maxima Sound processing for cochlear implants by using Bark scale Frequency band partition Han xianhua 1 Nie Kaibao 1 1 Department of Information Science and Engineering, Shandong
Who are cochlear implants for?
Who are cochlear implants for? People with little or no hearing and little conductive component to the loss who receive little or no benefit from a hearing aid. Implants seem to work best in adults who
For Professionals. SYNCHRONY System. In Sync with Natural Hearing
For Professionals SYNCHRONY System In Sync with Natural Hearing For more natural hearing in any listening environment SONNET Audio Processor RONDO Single-Unit Processor Designed for exceptional hearing
Restoring Communication and Mobility
Restoring Communication and Mobility What are they? Artificial devices connected to the body that substitute, restore or supplement a sensory, cognitive, or motive function of the nervous system that has
EXTRACELLULAR RECORDINGS OF SPIKES
EXTRACELLULAR RECORDINGS OF SPIKES Information about spiking is typically extracted from the high frequency band (>300-500Hz) of extracellular potentials. Since these high-frequency signals generally stem
Infrastructure for Rapid Assessment of Reliability
Infrastructure for Rapid Assessment of Reliability Infrastructure and process improvements in the reliability testing of a high density microelectronic packaging technology Hannah Varner Draper Outline
Microfabrication of Biocompatible Stimulation Electrode Arrays for Cochlear Implants
24~ Annual Microelectronic Engineering Conference, May 2006 74 Microfabrication of Biocompatible Stimulation Electrode Arrays for Cochlear Implants Ward A. Johnson, Rochester Institute of Technology Abstract
Hearing the Universal Language: Music and Cochlear Implants
Hearing the Universal Language: Music and Cochlear Implants Professor Hugh McDermott Deputy Director (Research) The Bionics Institute of Australia, Professorial Fellow The University of Melbourne Overview?
Auditory System & Hearing
Auditory System & Hearing Chapters 9 and 10 Lecture 17 Jonathan Pillow Sensation & Perception (PSY 345 / NEU 325) Spring 2015 1 Cochlea: physical device tuned to frequency! place code: tuning of different
Series Preface. Preface. Acknowledgments. Abbreviations
Contents Series Preface Preface Acknowledgments Abbreviations vii ix xiii xxv Introduction xxxi Definition...xxxi Normal Hearing...xxxi Deafness...xxxi Overall Concept of the Bionic Ear...xxxii Training
BIOMATERIALS AND COCHLEAR IMPLANTS
BIOMATERIALS AND COCHLEAR IMPLANTS Attia Qamar & Paolo Sabatini 1 EAR ANATOMY & MECHANICS vestibule Bony Labyrinth Coclear Duct CN VIII Vibration Tympanic Membrane Middle Ear Perilymph From oval window
Auditory System & Hearing
Auditory System & Hearing Chapters 9 part II Lecture 16 Jonathan Pillow Sensation & Perception (PSY 345 / NEU 325) Spring 2019 1 Phase locking: Firing locked to period of a sound wave example of a temporal
AUDL GS08/GAV1 Signals, systems, acoustics and the ear. Pitch & Binaural listening
AUDL GS08/GAV1 Signals, systems, acoustics and the ear Pitch & Binaural listening Review 25 20 15 10 5 0-5 100 1000 10000 25 20 15 10 5 0-5 100 1000 10000 Part I: Auditory frequency selectivity Tuning
NMIJ measurement service on ultrasonic field parameters available to demonstrate performance and safety of ultrasonic medical equipment
NMIJ measurement service on ultrasonic field parameters available to demonstrate performance and safety of ultrasonic medical equipment Masahiro Yoshioka National Metrology Institute of Japan (NMIJ) National
PZT/ZnO EXPERIMENT MODELLING
Mat. Res. Soc. Symp. Proc. Vol. 655 2001 Materials Research Society High Frequency Thin Film Acoustic Ferroelectric Resonators Paul Kirby a, Qing-Xin Su a, Eiju Komuro b, Masaaki Imura b, Qi Zhang, and
Study of Micro-Electrode Array for Neural Populations Stimulating and Recording
Study of Micro-Electrode Array for Neural Populations Stimulating and Recording Xiaoying Lü 1, Zhi-Gong Wang 2 1 State Key Lab of Bioelectronics 2 Institute of RF- & OE-Ics Southeast University, 210096
For Professionals. Electrode Arrays. Designed for Atraumatic Implantation Providing Superior Hearing Performance
For Professionals Electrode Arrays Designed for Atraumatic Implantation Providing Superior Hearing Performance Electrode Arrays Designed for Atraumatic Implantation Providing Superior Hearing Performance,,,
For Professionals. SYNCHRONY System In Sync with Natural Hearing
For Professionals SYNCHRONY System In Sync with Natural Hearing SYNCHRONY Cochlear Implant In Sync with Natural Hearing Smallest Titanium Implant The smallest and lightest titanium cochlear implant available
SCS ELECTRONICS COATINGS. Reliable protection for advanced electronics.
SCS ELECTRONICS COATINGS Reliable protection for advanced electronics. INNOVATIVE SOLUTIONS FROM THE LEADER IN PARYLENE With over 45 years of experience in Parylene engineering and applications, Specialty
9/27/2018. Type of Hearing Loss. Type of Hearing Loss. Type of Hearing Loss
MED-EL Mission To overcome hearing loss as a barrier to communication and quality of life. We effectively yet gently restore hearing by offering a comprehensive set of intact-skin hearing implant solutions.
hearlife Clinic Toronto Hear, Communicate, Participate
hearlife Clinic Toronto Hear, Communicate, Participate Welcome Hearing is an essential part of communication. Hearing loss can create an invisible barrier between people affected by hearing loss and those
Introduction to Audiology: Global Edition
Introduction to Audiology For these Global Editions, the editorial team at Pearson has collaborated with educators across the world to address a wide range of subjects and requirements, equipping students
Chapter 3: Anatomy and physiology of the sensory auditory mechanism
Chapter 3: Anatomy and physiology of the sensory auditory mechanism Objectives (1) Anatomy of the inner ear Functions of the cochlear and vestibular systems Three compartments within the cochlea and membranes
Long-term Hearing Preservation Outcomes after Cochlear Implantation for Electric-Acoustic Stimulation
Long-term Hearing Preservation Outcomes after Cochlear Implantation for Electric-Acoustic Stimulation Youssef Adel, Silke Helbig, Tobias Weissgerber, Uwe Baumann University Hospital Frankfurt Audiological
The Professional Choice
The Professional Choice bout FormaTK Systems is a global developer and manufacturer of technologically driven and market oriented devices for the medical aesthetic market. Founded in 2008 by a group of
Discrete Signal Processing
1 Discrete Signal Processing C.M. Liu Perceptual Lab, College of Computer Science National Chiao-Tung University http://www.cs.nctu.edu.tw/~cmliu/courses/dsp/ ( Office: EC538 (03)5731877 cmliu@cs.nctu.edu.tw
Signals, systems, acoustics and the ear. Week 5. The peripheral auditory system: The ear as a signal processor
Signals, systems, acoustics and the ear Week 5 The peripheral auditory system: The ear as a signal processor Think of this set of organs 2 as a collection of systems, transforming sounds to be sent to
Femtosecond Laser Applications in NiTi
Femtosecond Laser Applications in NiTi Professor Luísa Coutinho IST-UTL Instituto Superior Técnico, Universidade Técnica de Lisboa, Portugal Objectives Analyze beam/material interaction of femtosecond
Acoustics, signals & systems for audiology. Psychoacoustics of hearing impairment
Acoustics, signals & systems for audiology Psychoacoustics of hearing impairment Three main types of hearing impairment Conductive Sound is not properly transmitted from the outer to the inner ear Sensorineural
Supplementary Materials for
advances.sciencemag.org/cgi/content/full/3/3/e1600955/dc1 Supplementary Materials for Flexible and stretchable nanowire-coated fibers for optoelectronic probing of spinal cord circuits Chi Lu, Seongjun
Complete Cochlear Coverage WITH MED-EL S DEEP INSERTION ELECTRODE
Complete Cochlear Coverage WITH MED-EL S DEEP INSERTION ELECTRODE hearlife CONTENTS A Factor To Consider... 3 The Cochlea In the Normal Hearing Process... 5 The Cochlea In the Cochlear Implant Hearing
Implantable Microelectronic Devices
ECE 8803/4803 Implantable Microelectronic Devices Fall - 2015 Maysam Ghovanloo (mgh@gatech.edu) School of Electrical and Computer Engineering Georgia Institute of Technology 2015 Maysam Ghovanloo 1 Outline
Implants for surgery Active implantable medical devices. Part 7: Particular requirements for cochlear implant systems
Provläsningsexemplar / Preview INTERNATIONAL STANDARD ISO 14708-7 First edition 2013-01-15 Implants for surgery Active implantable medical devices Part 7: Particular requirements for cochlear implant systems
Bioscience in the 21st century
Bioscience in the 21st century Lecture 2: Innovations and Challenges Dr. Michael Burger Outline: Review of last lecture Organization of the nervous system (in brief) The mapping concept Bionic implants
Digital. hearing instruments have burst on the
Testing Digital and Analog Hearing Instruments: Processing Time Delays and Phase Measurements A look at potential side effects and ways of measuring them by George J. Frye Digital. hearing instruments
What is a Cochlear Implant?
What is a Cochlear Implant? North East Regional Cochlear Implant Programme Patient Information Audiology Planned Care Centre What is a cochlear implant? A prosthetic device that uses electrical stimulation
Corporate Medical Policy
Corporate Medical Policy Retinal Prosthesis File Name: Origination: Last CAP Review: Next CAP Review: Last Review: retinal_prosthesis 6/2011 6/2018 6/2019 6/2018 Description of Procedure or Service A retinal
Visualisation of the Cochlea Implant/Tissue Interface
Visualisation of the Cochlea Implant/Tissue Interface Christopher Wong 1, 4, Ian S. Curthoys 2, Stephen O Leary 3,4, Allan S. Jones 1 1 Australian Centre for Microscopy and Microanalysis, University of
A hybrid concept as a new approach for the micro-production of magnetic actuators
1 A hybrid concept as a new approach for the micro-production of magnetic actuators Rissing, L. H. H.; Creutzburg, T.; Steffens, M.; Reuter, G.; Lenarz, T. ABSTRACT Actuators that are widely used in industrial
Intrinsic Signal Optical Imaging
Intrinsic Signal Optical Imaging Introduction Intrinsic signal optical imaging (ISOI) is a technique used to map dynamics in single cells, brain slices and even and most importantly entire mammalian brains.
Jack Noble, PhD, René Gifford, PhD, Benoit Dawant, PhD, and Robert Labadie, MD, PhD
Jack Noble, PhD, René Gifford, PhD, Benoit Dawant, PhD, and Robert Labadie, MD, PhD Overview The position of implanted electrodes relative to stimulation targets can be used to aid programming Individualized
Path to High-Quality Films on Continuous Substrates
Spatial Atomic Layer Deposition: A Path to High-Quality Films on Continuous Substrates t David H. Levy, Roger S. Kerr, Shelby F. Nelson, Lee W. Tutt, and Mitchell Burberry Eastman Kodak Company Rochester,
Differential-Rate Sound Processing for Cochlear Implants
PAGE Differential-Rate Sound Processing for Cochlear Implants David B Grayden,, Sylvia Tari,, Rodney D Hollow National ICT Australia, c/- Electrical & Electronic Engineering, The University of Melbourne
Before we talk about the auditory system we will talk about the sound and waves
The Auditory System PHYSIO: #3 DR.LOAI ZAGOUL 24/3/2014 Refer to the slides for some photos. Before we talk about the auditory system we will talk about the sound and waves All waves have basic characteristics:
Hearing. PSYCHOLOGY (8th Edition, in Modules) David Myers. Module 14. Hearing. Hearing
PSYCHOLOGY (8th Edition, in Modules) David Myers PowerPoint Slides Aneeq Ahmad Henderson State University Worth Publishers, 2007 1 Hearing Module 14 2 Hearing Hearing The Stimulus Input: Sound Waves The
International Journal of Information Technology Convergence and Services (IJITCS) Vol.2, No.5, October 2012
AUDITORY SENSATION TO THE DEAFENEDPERSON USING COCHLEAR IMPLANT SYSTEM WITH COMPUTERIZED FPGA SPEECH/SOUND PROCESSING UNIT V Hanuman Kumar 1 and P Seetharamaiah 2 1 vhanumankumar@gmail.com and 2 psrama@gmail.com
Zoltán Szabó. Synthesis and characterisation of zinc-oxide thin films and nanostructures for optoelectronical purposes
PHD theses Synthesis and characterisation of zinc-oxide thin films and nanostructures for optoelectronical purposes Zoltán Szabó Supervison: Dr. János Volk Consultant: Dr. György Hárs HAS Centre for Energy
INTRODUCTION TO HEARING DEVICES
INTRODUCTION TO HEARING DEVICES Neuchâtel, June 12 th 2014, Louisa Busca Grisoni CONTENTS 1 NORMAL HEARING (NH) AND HEARING LOSS (HL) 2 HEARING DEVICES 3 SIGNAL PROCESSING IN HEARING DEVICES 4 CONCLUSIONS
Exploring Advantages of Pulsed Laser Deposition with the TJNAF Free Electron Laser
Exploring Advantages of Pulsed Laser Deposition with the TJNAF Free Electron Laser Anne Reilly 1, Chris Allmond 1, Jason Gammon 1 Shannon Watson 1 and Jung Gi Kim 2 1 Department of Physics, College of
Lecture 6 Hearing 1. Raghav Rajan Bio 354 Neurobiology 2 January 28th All lecture material from the following links unless otherwise mentioned:
Lecture 6 Hearing 1 All lecture material from the following links unless otherwise mentioned: 1. http://wws.weizmann.ac.il/neurobiology/labs/ulanovsky/sites/neurobiology.labs.ulanovsky/files/uploads/purves_ch12_ch13_hearing
EVALUATION OF SPEECH PERCEPTION IN PATIENTS WITH SKI SLOPE HEARING LOSS USING ARABIC CONSTANT SPEECH DISCRIMINATION LISTS
EVALUATION OF SPEECH PERCEPTION IN PATIENTS WITH SKI SLOPE HEARING LOSS USING ARABIC CONSTANT SPEECH DISCRIMINATION LISTS Mai El Ghazaly, Resident of Audiology Mohamed Aziz Talaat, MD,PhD Mona Mourad.
BORDERLINE PATIENTS AND THE BRIDGE BETWEEN HEARING AIDS AND COCHLEAR IMPLANTS
BORDERLINE PATIENTS AND THE BRIDGE BETWEEN HEARING AIDS AND COCHLEAR IMPLANTS Richard C Dowell Graeme Clark Chair in Audiology and Speech Science The University of Melbourne, Australia Hearing Aid Developers
16:30-18:30 WS #52: Paediatric Forum (120mins - not repeated)
Dr Kate Gibson Clinical Geneticist Genetic Health Service NZ, Children s Specialist Centre, Christchurch Hospital, Christchurch Dr Antony Bedggood Ophthalmologist Children s Specialist Centre, Christchurch
MCP PMT with high time response and linear output current for neutron time-of-flight detectors
Journal of Physics: Conference Series PAPER OPEN ACCESS MCP PMT with high time response and linear output current for neutron time-of-flight detectors To cite this article: A S Dolotov et al 216 J. Phys.:
Prelude Envelope and temporal fine. What's all the fuss? Modulating a wave. Decomposing waveforms. The psychophysics of cochlear
The psychophysics of cochlear implants Stuart Rosen Professor of Speech and Hearing Science Speech, Hearing and Phonetic Sciences Division of Psychology & Language Sciences Prelude Envelope and temporal
Feng Xiujuan National Institute of Metrology (NIM),China
The acoustic calibration service in transportation at NIM Feng Xiujuan National Institute of Metrology (NIM),China 1. Calibration requirements 2. Calibration service at NIM 2.1 Microphone 2.2 Ultrasonic
Ultrasonic Transducer. Piezoelectric ceramics / Piezoelectric polymer film / Piezoelectric thin film
Ultrasonic Piezoelectric ceramics / Piezoelectric polymer film / Piezoelectric thin film Ultrasonic Technology is gentle both to the Earth and humankind Diminution of negative influences to the environment,
When mind meets machine
Adverti Will off-the-shelf body parts routinely replace injured or diseased tissue? Today, there's no one person who has all the gear shown in this Science cover illustration - but such thoroughly bionic
ADVANCES in NATURAL and APPLIED SCIENCES
ADVANCES in NATURAL and APPLIED SCIENCES ISSN: 1995-0772 Published BYAENSI Publication EISSN: 1998-1090 http://www.aensiweb.com/anas 2016 December10(17):pages 275-280 Open Access Journal Improvements in
COM3502/4502/6502 SPEECH PROCESSING
COM3502/4502/6502 SPEECH PROCESSING Lecture 4 Hearing COM3502/4502/6502 Speech Processing: Lecture 4, slide 1 The Speech Chain SPEAKER Ear LISTENER Feedback Link Vocal Muscles Ear Sound Waves Taken from:
Hearing. istockphoto/thinkstock
Hearing istockphoto/thinkstock Audition The sense or act of hearing The Stimulus Input: Sound Waves Sound waves are composed of changes in air pressure unfolding over time. Acoustical transduction: Conversion
Modelling and Fabrication of High Frequency Ultrasound Transducer Arrays for Medical Applications
Modelling and Fabrication of High Frequency Ultrasound Transducer Arrays for Medical Applications Robert T. Ssekitoleko DTC in Medical Devices, University of Strathclyde Gerry Harvey Weildlinger Associates,
Hearing Lectures. Acoustics of Speech and Hearing. Auditory Lighthouse. Facts about Timbre. Analysis of Complex Sounds
Hearing Lectures Acoustics of Speech and Hearing Week 2-10 Hearing 3: Auditory Filtering 1. Loudness of sinusoids mainly (see Web tutorial for more) 2. Pitch of sinusoids mainly (see Web tutorial for more)
Nanostructured ZnO as a solution-processable transparent electrode material for low-cost photovoltaics
Nanostructured ZnO as a solution-processable transparent electrode material for low-cost photovoltaics Investigators P.I: Alberto Salleo, Assistant Professor, Materials Science and Engineering Dr. Ludwig
Bio11 schedule. Chapter 13 and 14. The Nervous System. The Nervous System. Organization of Nervous Systems. Nerves. Nervous and Sensory Systems
Bio11 schedule Lecture Nervous system and senses Lab Current events reports (10 pts) Urinalysis Lecture exam 2 Thursday Feb 24 Same format as before Study guide will be posted Your total points so far
HiFFUT A New Class of Transducer
HiFFUT A New Class of Transducer Kick-Off Meeting Dr Andrew Feeney, Postdoctoral Research Fellow My Background I obtained a Master s degree in Mechanical Engineering from the University of Glasgow in 2010
Electrophysiology. General Neurophysiology. Action Potentials
5 Electrophysiology Cochlear implants should aim to reproduce the coding of sound in the auditory system as closely as possible, for best sound perception. The cochlear implant is in part the result of
WHAT IS MANAGEMENT IN PDT?
H. Skarżyński, ż ń ki A. Lorens, M. Porowski, PH P.H. Skarżyński, ż ń ki Ł. Olszewski IN WARSAW COCHLEAR IMPLANT PROGRAM (1992 2010) WHAT IS MANAGEMENT IN PDT? C. NEW INDICATIONS SELECTIONS OF CANDIDATES
College of Medicine Dept. of Medical physics Physics of ear and hearing /CH
College of Medicine Dept. of Medical physics Physics of ear and hearing /CH 13 2017-2018 ***************************************************************** o Introduction : The ear is the organ that detects
Educational Module Tympanometry. Germany D Germering
Educational Module anometry PATH medical Germany D-82110 Germering Our educational modules 1 are made for providing information on how the hearing organ works and which test procedures are used to test
The Auditory Brainstem Implant. Manchester Royal Infirmary
The Auditory Brainstem Implant Manchester Royal Infirmary What is an auditory brainstem implant (ABI)? An auditory brainstem implant (ABI) is a device that may allow a person to hear if they have had damage
For Professionals. SYNCHRONY EAS System. In Sync with Natural Hearing
For Professionals SYNCHRONY EAS System In Sync with Natural Hearing SYNCHRONY EAS System Electric Acoustic Stimulation The SYNCHRONY EAS System combines the SONNET EAS Audio Processor with the SYNCHRONY
EI2311 BIOMEDICAL INSTRUMENTATION
66 EI2311 BIOMEDICAL INSTRUMENTATION 1. What is meant by cell? UNIT I PHYSIOLOGY AND TRANSDUCERS The basic living unit of the body is cell. The function of organs and other structure of the body is understood
Central Auditory System Basics and the Effects of Abnormal Auditory Input to the Brain. Amanda M. Lauer, Ph.D. July 3,
Central Auditory System Basics and the Effects of Abnormal Auditory Input to the Brain Amanda M. Lauer, Ph.D. July 3, 2012 1 Overview Auditory system tasks Peripheral auditory system Central pathways -Ascending
Membrane Chip Interface and Accessories
Unit 1, Anglian Business Park, Orchard Road, Royston, Hertfordshire, SG8 5TW, UK T: +44 (0)1763 242491 F: +44 (0)1763 246125 E: sales@dolomite-microfluidics.com W: www.dolomite-microfluidics.com Dolomite
Neuro-Audio Version 2010
ABR PTA ASSR Multi-ASSR OAE TEOAE DPOAE SOAE ECochG MLR P300 Neuro-Audio Version 2010 one device for all audiological tests Auditory brainstem response (ABR)/Brainstem evoked response audiometry (BERA)
Processing of sounds in the inner ear
Processing of sounds in the inner ear Sripriya Ramamoorthy Associate Professor, IIT Bombay WiSSAP 2018 Cochlea converts sound into electrical signals [Picture courtesy of Northwestern University] von Bekesy
ELECTRICAL IMPEDANCES VARIATIONS VALUES IN PATIENTS WITH COCHLEAR IMPLANT
ELECTRICAL IMPEDANCES VARIATIONS VALUES IN PATIENTS WITH COCHLEAR IMPLANT Oana Manolache 1*, Raluca Olariu 1 1,2, Sebastian Cozma 1,2 1 University of Medicine and Pharmacy "Grigore T. Popa", Romania 2
Supplementary Movie Caption
Supplementary Movie Caption 1. Movie S1. Ultrasound-induced blood focusing in vitro (Fig.2b). 2. Movie S2. Acoustic canalization of blood flow in the gap between two capillaries (Fig. 2d). 3. Movie S3.
SPHSC 462 HEARING DEVELOPMENT. Overview Review of Hearing Science Introduction
SPHSC 462 HEARING DEVELOPMENT Overview Review of Hearing Science Introduction 1 Overview of course and requirements Lecture/discussion; lecture notes on website http://faculty.washington.edu/lawerner/sphsc462/
Les LEDs à Base de l Oxyde de Zinc D. Rogers : Nanovation & Universite de Technologie de Troyes F. Hosseini Teherani : Nanovation, France
Les LEDs à Base de l Oxyde de Zinc D. Rogers : Nanovation & Universite de Technologie de Troyes F. Hosseini Teherani : Nanovation, France OUTLINE 1. Problems with Todays LEDs 2. ZnO vs GaN 3. Nanovation
accurate perception. Stethoscopes
Sensitivity is the basis of accurate perception. Stethoscopes stethoscopes Riester Stethoscopes there s simply more to hear. Since 1948 the name Riester has stood for the highest quality products, wide-ranging
Photoacoustic Imaging and Therapy in Biomedicine. Nicholas Tobey and Grace Yook. Optical Engineering. Dr. Kasra Daneshvar
Photoacoustic Imaging 1 Photoacoustic Imaging and Therapy in Biomedicine Nicholas Tobey and Grace Yook Optical Engineering Dr. Kasra Daneshvar July 16, 2010 Photoacoustic Imaging 2 Abstract When a pulsed
Straight Through Hole Drilling in Machinable Ceramics
Technical Communication JLMN-Journal of Laser Micro/Nanoengineering Vol. 10, No. 1, 2015 Straight Through Hole Drilling in Machinable Ceramics Susumu Nakamura *1, Takumi Miura *2 and Masaya Tsuta *2 *1
Speech, Language, and Hearing Sciences. Discovery with delivery as WE BUILD OUR FUTURE
Speech, Language, and Hearing Sciences Discovery with delivery as WE BUILD OUR FUTURE It began with Dr. Mack Steer.. SLHS celebrates 75 years at Purdue since its beginning in the basement of University
GLOSSARY OF TERMS ASSOCIATED WITH TENS
GLOSSARY OF TERMS ASSOCIATED WITH TENS ATP Adenosine Triphosphate that helps to promote protein synthesis. Accommodation Becoming accustomed to stimulation resulting in nerve and muscle fatigue. Acute