2016 Archived Content

ImplantableImplantable Biomedical Systems Symposium
Wireless Charging & Communications for Implantable Medical Devices

December 7, 2016


The market demand for implantable biomedical systems continues to grow at a significant pace. Solving the technological hurdles of miniaturization, power supply and efficient interfaces between the implants and external devices is critical to the growth of the market. This symposium will examine the latest advances in manufacturing, wireless charging and communications for implantable biomedical systems from both a theoretical and practical standpoint.

Final Agenda

Wednesday, December 7, 2016

8:15 am Registration and Morning Coffee

8:55 Chairperson’s Opening Remarks

Bill von Novak, Principal Engineer, Qualcomm


9:00 KEYNOTE PRESENTATION: Improving Therapeutic Outcomes and Lowering Costs through Wireless Bioelectronics

Ada PoonAda Poon, Ph.D., Associate Professor of Electrical Engineering, Stanford University

Electronic devices are very good at supporting control and feedback. They will offer the potential for a closed-loop system that could improve therapeutic outcomes and lower the overall healthcare cost. In this talk, I will go over a few biomedical applications where I believe that wireless and semiconductor technologies could play an important role.

9:30 Neuromodulation System Considerations for Miniaturized Bioelectronic Medicines

Rizwan Bashirullah, Director of Device Technologies, GlaxoSmithKline Bioelectronics

The development of chronically stable interfaces, tailored for small autonomic nerves in the viscera, is a critical focus of Bioelectronics medicine as part of the overall aim to develop step-change, wirelessly enabled, miniaturized, and personalized implantable medicines. This talk will focus on neuromodulation device technology needs and considerations for implantable bioelectronic medicines.


Advanced Communications for Implantables

10:00 Ultrasonically Powered mm-Sized Implantable Devices with Applications in Closed-Loop Neuromodulation

Amin Arbabian, Ph.D., Assistant Professor, Department of Electrical Engineering, Stanford University

This talk investigates fundamental issues associated with power transfer to mm-sized implantable devices using acoustic waves in the ultrasonic range since this enables wavelengths comparable to the size of the implant, which allows focusing of the energy at the device site, leading to a higher link efficiency and lower heating in surrounding tissue as compared to RF powering techniques.

10:30 Coffee Break in the Exhibit Hall with Poster Viewing

11:00 The Challenges of Wireless Power and Data Transfer for Active Implantable Devices

Heather Dunn, Senior Director of Technology, Cirtec Medical Systems

As active implantable devices become smaller and integrate more monitoring functions, the demand for efficient power and data transfer between devices and outside accessories is increasing. This talk will provide an overview of the particular challenges of performing power and data transfer with implanted devices. This will include material selection, packaging, tissue interaction, and user concerns.


Wireless Charging for Implantables

11:30 Transcutaneous Power of Single-Chip Implants

Patrick Mercier, Ph.D., Professor, Electrical and Computer Engineering, Associate Director, Center for Wearable Sensors, University of California, San Diego

A new class of implant where all necessary functionality is integrated onto a single microchip will be presented. The proposed method enables ultra-high density integration of electrodes with active electronics, and through wireless powering and communication, can enable modular designs that can scale across large anatomical areas. The presentation will specifically discuss challenges and solutions in transcutaneous wireless power transfer when the power receiving coil is integrated directly on the microchip itself.

12:00 Efficiency Optimization for Low-Power Density Far-Field Wireless Powering

Zoya Popovic, Ph.D., Professor, Department of Electrical, Computer and Energy Engineering, University of Colorado Boulder

This talk will overview the design approach for a wireless powering system in low power density far-field wireless sensor applications. The system design and characterization starting from the antenna integrated with a rectifier, usually operated in an ISM band, to the power management and storage, will be described. Examples at 1.9GHz, 2.45GHz and 5.8GHz at power densities as low as 1 uW/cm^2 will be discussed.

12:30 Luncheon Presentation (Sponsorship Opportunity Available) or Enjoy Lunch on Your Own


Wireless Charging for Implantables (Cont.)

1:55 Chairperson’s Remarks

Ada Poon, Ph.D., Associate Professor of Electrochemistry, Stanford University


2:00 FEATURED PRESENTATION: Wireless Power Transfer for Deeply Implanted IMDs

Keith Maile, Ph.D., Fellow Engineer, Boston Scientific

Over the years, a number of Implantable Medical Device (IMD) products have been introduced which utilize wireless power transfer such as inductive means. However, most of these devices are only implanted at shallow depths (e.g. subcutaneously). Unlike shallow IMDs, the transfer of power to deeply implanted medical devices has additional challenges in technical (modality, efficiency, etc.) and regulatory (FDA, FCC) spaces. The goal of this work is to compare a few of the available technologies for a deeply-implanted IMD.


2:30 Wireless Power for Medical Implants

Bill von Novak, Principal Engineer, Qualcomm

Wireless power is nearly a requirement for implantable medical devices for reasons of safety, longevity and effectiveness. This presentation will discuss the various modalities of wireless power transfer for medical implants, and discuss the tradeoffs involved in each one.

3:00 Refreshment Break in the Exhibit Hall with Poster Viewing

3:30 Design Objectives and Power Limitations of Human Implantable Wireless Power Transfer Systems

Christopher H. Kwan, Department of Electrical and Electronic Engineering, Imperial College London, United Kingdom

Wireless power transfer (WPT) can provide a practical solution to powering implanted devices without requiring a power cable to puncture the skin. Whilst maximizing link efficiency is normally the design aim of a WPT system in free space, there may be more suitable objectives if a receiver is implanted inside a patient, especially for devices with higher power consumption. This paper proposes alternative design principles to minimize the adverse effects of such a WPT system on the human body.

4:00 Power Transfer Prediction Tool for Medical Implants

Elias Wilken-Resman, Ph.D. Candidate, Department of Electrical and Computer Engineering, University of Illinois

Medical implants often benefit from wireless power, but it can be difficult to ensure that all potential locations/orientations within a patient will allow sufficient coupling for effective power transfer. This talk presents a tool that can be used to ensure that a given level of power can be maintained within the implant, given a potential implant volume and set of potential orientations.


Safety and Regulatory Compliance

4:30 The Challenge of Evaluating Safety and Regulatory Requirements

Nathan Jeong, Senior Staff Engineer, Qualcomm

Designing an implantable device requires to meet various domestic or international regulatory specifications. In this talk, a brief summary of challenges of simulating and building a human tissue phantom is discussed. Measurement and simulation results are shown with some examples.

5:00 Close of Symposium




For more details on the meeting, please contact the conference organizing committee:
Craig Wohlers
Executive Director, Conferences
Knowledge Foundation, a division of Cambridge Innovation Institute
Phone: (+1) 781-972-6260
Email: cwohlers@knowledgefoundation.com

For partnering and sponsorship information, please contact:
Sherry Johnson
Business Development Manager
Knowledge Foundation
Phone: (+1) 781-972-1359
Email: sjohnson@healthtech.com

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