<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0188-9532</journal-id>
<journal-title><![CDATA[Revista mexicana de ingeniería biomédica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. ing. bioméd]]></abbrev-journal-title>
<issn>0188-9532</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Ingeniería Biomédica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-95322017000300537</article-id>
<article-id pub-id-type="doi">10.17488/rmib.38.3.3</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Wireless Vein and Artery Identifier for Laparoscopic Instruments]]></article-title>
<article-title xml:lang="es"><![CDATA[Identificador Inalámbrico de Venas y Arterias para Instrumentos Laparoscópicos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres-Ventura]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyna]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rascón]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Avitia]]></surname>
<given-names><![CDATA[R. L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bravo-Zanoguera]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Baja California  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Baja California Facultad de Ingeniería-Campus Mexicali ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>38</volume>
<numero>3</numero>
<fpage>537</fpage>
<lpage>546</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-95322017000300537&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-95322017000300537&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-95322017000300537&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT This article presents an innovation on a conventional laparoscopic instrument, to which was added the automatic function to identify veins and arteries. It is proposed the use of a reflective-optical sensor with a specific work wavelength acting on blood vessels. The discrimination success between veins and arteries is achieved based on the range of difference between the light emitted and the light reflected. At the tip of a laparoscopic instrument was fitted a reflective-optical sensor composed of a LED and a light dependent resistor. In the upper part of the instrument an electronic control, processing and radio frequency transmitter module was fitted, which warns the surgeon and his assistants if the detected blood vessel is a vein or artery. The instrument was tested in vitro using whole human blood samples and in vivo on canine model blood vessels. With the innovation a low-cost support tool is achieved that could aid the surgeon when working on minimally invasive environments.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En este artículo se presenta una innovación realizada a un instrumento laparoscópico convencional, en la que se agrega la funcionalidad de identificación automática de venas y arterias. Se propone la utilización de un sensor óptico-reflexivo con longitud de onda específica, que actúa sobre los vasos sanguíneos. El éxito de discriminación entre venas y arterias se logra en función del rango de la diferencia entre la luz emitida versus la reflejada. A la punta de una pinza laparoscópica le fue adaptado un sensor óptico-reflexivo compuesto por un LED y una foto-resistencia. En la parte superior de la pinza, sobre el manipulador se adaptó un módulo electrónico de control, procesamiento y transmisión por radio frecuencia, el cual da aviso al cirujano y a sus asistentes si el vaso sanguíneo detectado es vena o arteria. El dispositivo fue probado in vitro utilizando muestras de sangre entera humana e in vivo sobre vasos sanguíneos de modelo canino. Con la innovación se logra una herramienta económica de apoyo para el cirujano que se desempeña en ambientes mínimamente invasivos.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Laparoscopy]]></kwd>
<kwd lng="en"><![CDATA[spectrometry]]></kwd>
<kwd lng="en"><![CDATA[reflective-optical]]></kwd>
<kwd lng="en"><![CDATA[wireless]]></kwd>
<kwd lng="en"><![CDATA[absorption]]></kwd>
<kwd lng="es"><![CDATA[Laparoscopia]]></kwd>
<kwd lng="es"><![CDATA[espectrometría]]></kwd>
<kwd lng="es"><![CDATA[óptico-reflectivo]]></kwd>
<kwd lng="es"><![CDATA[inalámbrico]]></kwd>
<kwd lng="es"><![CDATA[absorción]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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