doc.: IEEE 802.15-13-0433- 00-004q Submiss ion ETRI July 2013 Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Networks (WPANs) Submission Title: Medical Implant Applications and Medical Frequency Band Date Submitted: 00 July, 2013 Source: Dong-Wook Seo, Hyung Soo Lee Company: ETRI Address: 488-23 YongBong-ri, Yuga-myeon, Dalseong-gun, Daegu, 711-883, Korea Voice: +82-53-670-8056, FAX: +82-53-670-8008, E-Mail: [email protected]Re: [n/a] Abstract: Provide applications of medical implant device that requires low power. And request the additional frequency band of the ULP for the implantable medical device. Purpose: Response to the IEEE802.15 TG4q call for applications Notice: This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor acknowledges and accepts that this
Transcript
doc.: IEEE 802.15-13-0433-00-004q
Submission
ETRI
July 2013
Slide 1
Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)
Submission Title: Medical Implant Applications and Medical Frequency BandDate Submitted: 00 July, 2013 Source: Dong-Wook Seo, Hyung Soo LeeCompany: ETRIAddress: 488-23 YongBong-ri, Yuga-myeon, Dalseong-gun, Daegu, 711-883, KoreaVoice: +82-53-670-8056, FAX: +82-53-670-8008, E-Mail: [email protected]
Re: [n/a]
Abstract: Provide applications of medical implant device that requires low power. And request the additional frequency band of the ULP for the implantable medical device.
Purpose: Response to the IEEE802.15 TG4q call for applications
Notice: This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein.Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15.
doc.: IEEE 802.15-13-0433-00-004q
Submission
ETRI
July 2013
Slide 2
Medical Implant Applications and Medical Frequency Band of 401-406 MHz
Dong-Wook Seo*, Hyung Soo Lee
ETRI
doc.: IEEE 802.15-13-0433-00-004q
Submission
ETRI
July 2013
Purpose and Contents• purpose
– To provide applications of the implantable medical device that requires low power
– To request additional frequency bands of the ULP for the implantable medical device
• contents– Requirements of the Implantable Medical Device– Implantable Continuous Glucose Monitoring System– Implantable Cardiac Arrhythmia Monitoring System– Medical Implant Frequency band– Summary
doc.: IEEE 802.15-13-0433-00-004q
Submission
ETRI
July 2013
Implantable Medical Device• basic requirements of the Implantable medical device
cardiac arrhythmia, glucose sensor• assistant, medical cure:
cochlear implant, deep brain stimulator• and so on.
– physical small size• minimum external component count• integrated sensor by MEMS technology
– low power consumption• tens μW – several mW• limited power of the implant battery
– stable power supply for several years• wireless power transfer system• energy harvesting
– can support only several μA current
IMD Typical power requirement
Pacemaker 30~100μW
Cardiac Defibrillator 30~100μW
Neurological Stimulator 30uW to several mW
Drug Pump 100μW to 2mW
Cochlear Implants 10mW
power requirements of IMDs [1]
audio neurostimulator
deep brain stimulator/brain liquid pressure sensor
blood pressuremonitor
glucosesensor
cardiac arrhythmiamonitor/recorder
doc.: IEEE 802.15-13-0433-00-004q
Submission
ETRI
July 2013
Implantable Continuous Glucose Monitoring System
• transmitter with the implantable glucose sensor– transmits glucose sensing data
• receiver with display and inter-networking– saves, analyzes and displays data
• implant position– abdomen, brachium, wrist
• data rate– ~ 1 kbps
• the wireless power transfer as a power supply– to last more than a month after charging – inductive coupling using the coil with
high L and high Q
1.
abdomen
2.
brachium
3. wrist
implantedglucose sensor
receiver/gateway
Insulin pump
doc.: IEEE 802.15-13-0433-00-004q
Submission
ETRI
July 2013
Implantable Cardiac Arrhythmia Monitoring System
• transition of a body-worn type to an implant type– reduce the noise caused by movement and clothes– User can not remove or forget the system. – The authorized patients only use the system.
• implant position– precordium, subclavian, arm
• data rate– < 10 kbps
• wireless power transfer– to continuously monitor
for more than one yearusing the rechargeable battery
1cm
1.5cm
lead fixturemain electrode(platinum)
ECG sensor
1cm 2cm
base electrode
1cm
1.
precordium
2. subclavian
3. arm
implant sensor
heart call (body-worn system) [4]
doc.: IEEE 802.15-13-0433-00-004q
Submission
ETRI
July 2013
Status of Frequency Usage of 401-406 MHz Band
• spectrum for implant device inside a human body– Medical Implant Communication Service (MICS)– ITU : 401-406 MHz– USA, Europe, Korea : 402-405 MHz (core band)
• spectrum for medical device worn on a human body– 401-402, 405-406 MHz (wing band)– USA : Medical Device Radiocommunication Service (MedRadio)– Europe : MEdical Data Service (MEDS)– Korea : will be allocated
in 2014 I T U
USA
Europe
Korea
401401 MHzMHz402402 403403 404404 405405 406406
doc.: IEEE 802.15-13-0433-00-004q
Submission
ETRI
July 2013
Medical Frequency Band of 401-406 MHz
• The medical device is a representative application requiring the ULP technology.
• The MICS band and the adjacent frequencies are required as the ULP band.– MICS band : 402-405 MHz– MedRadio/MEDS band : 401-402 MHz, 405-406 MHz– The IEEE 802.15.6 has already completed the channel
model of MICS.
doc.: IEEE 802.15-13-0433-00-004q
Submission
ETRI
July 2013
Summary
• The ULP technology is useful for applications including the implantable medical device.– The implantable medical device has essentially the characteristic of
ultra low power consumption.
• The ULP should support the data rate of less than 10 kbps.– Most implantable medical devices do not need the high data rate of 1
Mbps.
• The additional frequency bands of the ULP are required.– MICS band (401-406 MHz)– MedRadio/MEDS band (401-402 MHz, 405-406 MHz)
Slide 9
doc.: IEEE 802.15-13-0433-00-004q
Submission
ETRI
July 2013
Thank you for your attention!Thank you for your attention!
Slide 10
doc.: IEEE 802.15-13-0433-00-004q
Submission
ETRI
July 2013
Reference• [1] doc.: IEEE 802.15-08-0766-01-0006, “Biological Effects of WPT
systems for MICS and Needs for Standardization of WPT systems”
• [2] P. D. Bradley, “Wireless Medical Implant Technology,” Proceedings of the ESSCIRC, 2011.
• [5] Charles S. Farlow, “An Overview of the Medical Device Radiocommunications Service (MedRadio) and Future Telemetry Considerations,” 1st Invitational Workshop on Body Area Network Technology and Applications, June 19-20, 2011.
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