A blog about what is new (and old) in the world of active implantable medical devices 

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Pacesetter’s 1973 Rechargeable Pacemaker

Yesterday I visited the Udvar-Hazy Center of the Smithsonian Air & Space Museum in Chantilly, VA.  There I found this demo rechargeable pacemaker being displayed as a spinoff of NASA’s technology with the following explanation: I can’t remember exactly where I found the picture of a Pacesetter model BD102 VVI, but the story behind it

 
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Sorin Announces CE Mark and Implant of its MRI-Compatible Kora 100 Pacemaker with Automatic MRI Mode

Sorin announced the CE Mark approval and first implant of its KORA 100 pacing system. According to the press release: KORA 100 SR and DR pacemakers when implanted with the Sorin BEFLEX pacing lead enable implanted patients to undergo magnetic resonance imaging (MRI) safely.[1] Pacemaker patients are typically older than 65 years. This patient population

 
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AAMI Technical Information Report Gives Guidance to AIMD Designers Regarding MRI Compatibility

A new technical information report (TIR) provides guidance to design active implantable medical device manufacturers for use in patients who may need magnetic resonance imaging (MRI) scans. ANSI/AAMI/ISO TIR10974:2012, “Assessment of the safety of magnetic resonance imaging for patients with an active implantable medical device” was adopted and published by AAMI is meant to inform

 
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WISE s.r.l. Raises €1M to Develop Flexible Electrodes for Spinal Cord Stimulation

WISE (Wiringless Implantable Stretchable Electronics), a Milan- and Berlin-based medical device companyraised a seed-round of € 1 M to advance the development of its first product aimed at the spinal cord stimulation market. WISE’s technology relies on Supersonic Cluster Beam Implantation (SCBI) for the metallization of polymers and elastomers. SCBI allows to fabricate complex microelectronic

 
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Interesting Article in Medical Design Briefs: Designing an ASIC Chip to Control an Implantable Glucose Measurement Device

The current issue of Medical Design Briefs carries an interesting article titled “Designing an ASIC Chip to Control an Implantable Glucose Measurement Device” by Uwe Guenther of ZMDI (Dresden, Germany) and Andrew DeHennis of Senseonics (formerly known as “Sensors for Medicine and Science, Inc.” in Germantown, MD). Zentrum Mikroelektronik Dresden AG (ZMDI), Dresden, Germany, partnered

 
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Increase in Temperature from AIMDs Dissipating Endogenous Heat

Active Implantable Medical Devices generate heat as a result of resistive losses in their circuitry, exothermic reaction in their batteries, eddy-current heating due to inductive recharge, friction between mechanical components, etc.  The European Standard which regulates AIMDs limits the heating of the outer surface of an AIMD to 2ºC above normal body temperature.  Despite the

 
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Cleveland FES Center’s Networked Neural Prosthesis

The Cleveland FES Center was established in 1991 as a consortium between the Cleveland VA Medical Center (CVAMC), the private educational institution of Case Western Reserve University (CWRU), and the public hospital system of MetroHealth Medical Center (MHMC). As part of this consortium, Dr. Hunter Peckham – biomedical engineering professor at Case Western Reserve University –

 
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Medtronic SureScan Neurostimulators Cleared by FDA for Full-Body MRI

Following Medtronic’s announcement in February of this year that it had introduced in Europe the first and only implantable neurostimulation systems indicated for use in the treatment of chronic back and/or leg pain that are designed for full-body Magnetic Resonance Imaging (MRI) scans under specific conditions, the Company announced today that FDA has approved the

 
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WiTricity Developing Long-Range Transcutaneous Energy Transfer Solutions for AIMDs

This month’s Medical Device and Diagnostic Industry  (MD+DI) magazine carried an interesting article by David Schatz – WiTricity’s VP Sales – on their efforts to develop highly resonant wireless power transfer technology for use in AIMDs.  The article is available online at http://www.mddionline.com/article/wireless-power-medical-devices. The article mentions the work that WiTricity has been doing with Thoratec to

 
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IEEE Summer School on Implantable Devices – Bogotá, Colombia (July 9 – 12, 2013)

I have been honored with an invitation to present at the  Fourth IEEE CASS Summer School on Wearable and Implantable Biomedical Circuits and Systems in Bogotá, Colombia (July 9 – 12, 2013). I will be giving two 1 hour and 20 minute talks on “A Practical Perspective on Developing Novel Commercial Active Implantable Medical Devices”. 

 
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Micromagnetic Stimulation as an Alternative to Electrical Stimulation for Implantable Devices? I don’t think so…

The following captured my attention in the announcement of the 11th World Congress of the International Neuromodulation Society, “Technology Transforming Chronic Illness Management.” From June 8 – 13, 2013: “Micro-Magnetic Stimulation (Monday, June 10) – John T. Gale, Ph.D., has demonstrated for the first time that deep brain stimulation with micro-magnets can activate brain cells

 
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Biotronik’s Iforia DF4 ICD/CRT-D CE-Approved as Compatible with MRI

Biotronik announced that it had received CE-approval for the world’s first DF4 ICD/CRT-D series approved for MRI. In addition, this series contains one of the world’s smallest ICDs– the Iforia single chamber ICD. Aside from featuring ProMRI®technology, which allows patients to undergo potentially life saving MRI scans, Iforia also includes the industry standard DF4 connector

 
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Brown University Develops Fully-Implantable Brain-Computer Interface

From Brown University’s press release: “In a significant advance for brain-machine interfaces, engineers at Brown University have developed a novel wireless, broadband, rechargeable, fully implantable brain sensor that has performed well in animal models for more than a year. They describe the result in the Journal of Neural Engineering and at a conference this week.

 
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Medtronic Introduces First Neuromodulation Systems Compatible with Full-Body MRI

Medtronic has introduced in Europe the first and only implantable neurostimulation systems indicated for use in the treatment of chronic back and/or leg pain that are designed for full-body Magnetic Resonance Imaging (MRI) scans under specific conditions.  Medtronic SureScan neurostimulation systems include enhancements to existing devices as well as specially designed leads to reduce or

 
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St. Jude Starts Trial of Accent MRI Pacemaker and Tendril MRI Lead

Today St. Jude announced the first implant in its Accent MRI(R) Pacemaker and Tendril MRI(R) Lead IDE Study (MRI Study). The ultimate goal of the study is to determine if patients with these devices can safely undergo full-body, high resolution Magnetic Resonance Imaging (MRI) scans to better accommodate their medical needs. The investigational Accent MRI

 
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