Biopsy needle tract cauterization using an embedded array of piezoceramic microheaters
This paper presents the use of an array of piezoceramic microheaters embedded in a biopsy needle for tract cauterization. Circular PZT-5A heaters of 200 ¿m diameter and 70-80 ¿m thickness are embedded in the wall of a 20-gauge stainless steel needle. Finite element modeling suggests that a PZT array...
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description | This paper presents the use of an array of piezoceramic microheaters embedded in a biopsy needle for tract cauterization. Circular PZT-5A heaters of 200 ¿m diameter and 70-80 ¿m thickness are embedded in the wall of a 20-gauge stainless steel needle. Finite element modeling suggests that a PZT array with no gap between the elements to be the most suitable design. The temperature profile generated is measured at two resonance modes: the radial mode (10.3 MHz) and the thickness mode (22.3 MHz). The needle surface exceeds the minimum target temperature rise of 33°C for applied voltages of 17 V RMS and 14 VRMS for radial and thickness mode, respectively. The corresponding input powers are 236 mW and 325 mW, respectively. The tissue cauterization extends 1-1.25 mm beyond the perimeter of needle. |
doi_str_mv | 10.1109/MEMSYS.2010.5442374 |
format | Conference Proceeding |
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Circular PZT-5A heaters of 200 ¿m diameter and 70-80 ¿m thickness are embedded in the wall of a 20-gauge stainless steel needle. Finite element modeling suggests that a PZT array with no gap between the elements to be the most suitable design. The temperature profile generated is measured at two resonance modes: the radial mode (10.3 MHz) and the thickness mode (22.3 MHz). The needle surface exceeds the minimum target temperature rise of 33°C for applied voltages of 17 V RMS and 14 VRMS for radial and thickness mode, respectively. The corresponding input powers are 236 mW and 325 mW, respectively. The tissue cauterization extends 1-1.25 mm beyond the perimeter of needle.</description><identifier>ISSN: 1084-6999</identifier><identifier>ISBN: 1424457610</identifier><identifier>ISBN: 9781424457618</identifier><identifier>EISBN: 1424457645</identifier><identifier>EISBN: 9781424457632</identifier><identifier>EISBN: 1424457637</identifier><identifier>EISBN: 9781424457649</identifier><identifier>DOI: 10.1109/MEMSYS.2010.5442374</identifier><language>eng</language><publisher>IEEE</publisher><subject>Biological system modeling ; Biological tissues ; Biopsy ; Blood ; Hemorrhaging ; Needles ; Piezoelectric materials ; Radio frequency ; Temperature ; Thermal conductivity</subject><ispartof>2010 IEEE 23rd International Conference on Micro Electro Mechanical Systems (MEMS), 2010, p.987-990</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5442374$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,776,780,785,786,2052,27902,54895</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5442374$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Visvanathan, Karthik</creatorcontrib><creatorcontrib>Gianchandani, Yogesh B</creatorcontrib><title>Biopsy needle tract cauterization using an embedded array of piezoceramic microheaters</title><title>2010 IEEE 23rd International Conference on Micro Electro Mechanical Systems (MEMS)</title><addtitle>MEMSYS</addtitle><description>This paper presents the use of an array of piezoceramic microheaters embedded in a biopsy needle for tract cauterization. Circular PZT-5A heaters of 200 ¿m diameter and 70-80 ¿m thickness are embedded in the wall of a 20-gauge stainless steel needle. Finite element modeling suggests that a PZT array with no gap between the elements to be the most suitable design. The temperature profile generated is measured at two resonance modes: the radial mode (10.3 MHz) and the thickness mode (22.3 MHz). The needle surface exceeds the minimum target temperature rise of 33°C for applied voltages of 17 V RMS and 14 VRMS for radial and thickness mode, respectively. The corresponding input powers are 236 mW and 325 mW, respectively. The tissue cauterization extends 1-1.25 mm beyond the perimeter of needle.</description><subject>Biological system modeling</subject><subject>Biological tissues</subject><subject>Biopsy</subject><subject>Blood</subject><subject>Hemorrhaging</subject><subject>Needles</subject><subject>Piezoelectric materials</subject><subject>Radio frequency</subject><subject>Temperature</subject><subject>Thermal conductivity</subject><issn>1084-6999</issn><isbn>1424457610</isbn><isbn>9781424457618</isbn><isbn>1424457645</isbn><isbn>9781424457632</isbn><isbn>1424457637</isbn><isbn>9781424457649</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2010</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpFkE9Lw0AUxFdUsK1-gl72C6S-zb5NskcttQotHqqCp_KyedGV5g-b9JB-egMWPAzDDPzmMELMFSyUAnu_XW13n7tFDGNhEGOd4oWYKowRTZqgufwPCq7EREGGUWKtvRHTrvsBGEm0E_Hx6Ju2G2TNXBxY9oFcLx0dew7-RL1vannsfP0lqZZc5VwUXEgKgQbZlLL1fGocB6q8k6NC8800ot2tuC7p0PHd2Wfi_Wn1tnyONq_rl-XDJvIqNX1knClAcUqYp5BZTMAkhQadJTZ2Fl3JoDRmRCpXCDmUHEOZmsxYneQ5gZ6J-d-uZ-Z9G3xFYdifD9G_d7ZTrg</recordid><startdate>201001</startdate><enddate>201001</enddate><creator>Visvanathan, Karthik</creator><creator>Gianchandani, Yogesh B</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>201001</creationdate><title>Biopsy needle tract cauterization using an embedded array of piezoceramic microheaters</title><author>Visvanathan, Karthik ; Gianchandani, Yogesh B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-5c5d01e7a4b708946056d3038692c94cfe01348aa1b140b0fe20f7585936bba03</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Biological system modeling</topic><topic>Biological tissues</topic><topic>Biopsy</topic><topic>Blood</topic><topic>Hemorrhaging</topic><topic>Needles</topic><topic>Piezoelectric materials</topic><topic>Radio frequency</topic><topic>Temperature</topic><topic>Thermal conductivity</topic><toplevel>online_resources</toplevel><creatorcontrib>Visvanathan, Karthik</creatorcontrib><creatorcontrib>Gianchandani, Yogesh B</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Visvanathan, Karthik</au><au>Gianchandani, Yogesh B</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Biopsy needle tract cauterization using an embedded array of piezoceramic microheaters</atitle><btitle>2010 IEEE 23rd International Conference on Micro Electro Mechanical Systems (MEMS)</btitle><stitle>MEMSYS</stitle><date>2010-01</date><risdate>2010</risdate><spage>987</spage><epage>990</epage><pages>987-990</pages><issn>1084-6999</issn><isbn>1424457610</isbn><isbn>9781424457618</isbn><eisbn>1424457645</eisbn><eisbn>9781424457632</eisbn><eisbn>1424457637</eisbn><eisbn>9781424457649</eisbn><abstract>This paper presents the use of an array of piezoceramic microheaters embedded in a biopsy needle for tract cauterization. Circular PZT-5A heaters of 200 ¿m diameter and 70-80 ¿m thickness are embedded in the wall of a 20-gauge stainless steel needle. Finite element modeling suggests that a PZT array with no gap between the elements to be the most suitable design. The temperature profile generated is measured at two resonance modes: the radial mode (10.3 MHz) and the thickness mode (22.3 MHz). The needle surface exceeds the minimum target temperature rise of 33°C for applied voltages of 17 V RMS and 14 VRMS for radial and thickness mode, respectively. The corresponding input powers are 236 mW and 325 mW, respectively. The tissue cauterization extends 1-1.25 mm beyond the perimeter of needle.</abstract><pub>IEEE</pub><doi>10.1109/MEMSYS.2010.5442374</doi><tpages>4</tpages></addata></record> |
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source | IEEE Electronic Library (IEL) Conference Proceedings |
subjects | Biological system modeling Biological tissues Biopsy Blood Hemorrhaging Needles Piezoelectric materials Radio frequency Temperature Thermal conductivity |
title | Biopsy needle tract cauterization using an embedded array of piezoceramic microheaters |
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