Tissue welding and cutting apparatus and method
A surgical apparatus and methods for severing and welding tissue, in particular blood vessels. The apparatus includes an elongated shaft having a pair of relatively movable jaws at a distal end thereof. A first heating element on one of the jaws is adapted to heat up to a first temperature and form...
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| creator | BARKMAN KIMBERLY D JARRARD JERRY MCQUISTON JESSE HO SAM DANG KENNY L WILLIS GEOFFREY H CALLAS PETER L STEWART MICHAEL C ABBOTT RYAN C LAMBERTI JOSEPH N LAU LIMING LIN ARTHUR M ESCANO ARNOLD M |
| description | A surgical apparatus and methods for severing and welding tissue, in particular blood vessels. The apparatus includes an elongated shaft having a pair of relatively movable jaws at a distal end thereof. A first heating element on one of the jaws is adapted to heat up to a first temperature and form a welded region within the tissue, while a second heating element on one of the jaws is adapted to heat up to a second temperature and sever the tissue within the welded region. The first and second heating elements may be provided on the same or opposite jaws. A control handle provided on the proximal end of the elongated shaft includes controls for opening and closing the jaws, and may include an actuator for sending current through the first and second heating elements. The first and second heating elements may be electrically connected in series, and the first heating element may be bifurcated such that it conducts about one half of the current as the second heating element. A force-limiting mechanism provided either within the control handle, in the elongated shaft, or at the jaws limits the pressure applied to the tissue by the jaws to ensure that the tissue is severed and the ends effectively welded within a short amount of time. |
| format | Patent |
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The apparatus includes an elongated shaft having a pair of relatively movable jaws at a distal end thereof. A first heating element on one of the jaws is adapted to heat up to a first temperature and form a welded region within the tissue, while a second heating element on one of the jaws is adapted to heat up to a second temperature and sever the tissue within the welded region. The first and second heating elements may be provided on the same or opposite jaws. A control handle provided on the proximal end of the elongated shaft includes controls for opening and closing the jaws, and may include an actuator for sending current through the first and second heating elements. The first and second heating elements may be electrically connected in series, and the first heating element may be bifurcated such that it conducts about one half of the current as the second heating element. A force-limiting mechanism provided either within the control handle, in the elongated shaft, or at the jaws limits the pressure applied to the tissue by the jaws to ensure that the tissue is severed and the ends effectively welded within a short amount of time.</description><language>eng</language><subject>DIAGNOSIS ; HUMAN NECESSITIES ; HYGIENE ; IDENTIFICATION ; MEDICAL OR VETERINARY SCIENCE ; SURGERY</subject><creationdate>2006</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060928&DB=EPODOC&CC=US&NR=2006217706A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060928&DB=EPODOC&CC=US&NR=2006217706A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BARKMAN KIMBERLY D</creatorcontrib><creatorcontrib>JARRARD JERRY</creatorcontrib><creatorcontrib>MCQUISTON JESSE</creatorcontrib><creatorcontrib>HO SAM</creatorcontrib><creatorcontrib>DANG KENNY L</creatorcontrib><creatorcontrib>WILLIS GEOFFREY H</creatorcontrib><creatorcontrib>CALLAS PETER L</creatorcontrib><creatorcontrib>STEWART MICHAEL C</creatorcontrib><creatorcontrib>ABBOTT RYAN C</creatorcontrib><creatorcontrib>LAMBERTI JOSEPH N</creatorcontrib><creatorcontrib>LAU LIMING</creatorcontrib><creatorcontrib>LIN ARTHUR M</creatorcontrib><creatorcontrib>ESCANO ARNOLD M</creatorcontrib><title>Tissue welding and cutting apparatus and method</title><description>A surgical apparatus and methods for severing and welding tissue, in particular blood vessels. 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A force-limiting mechanism provided either within the control handle, in the elongated shaft, or at the jaws limits the pressure applied to the tissue by the jaws to ensure that the tissue is severed and the ends effectively welded within a short amount of time.</description><subject>DIAGNOSIS</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>IDENTIFICATION</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>SURGERY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2006</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAPySwuLk1VKE_NScnMS1dIzEtRSC4tKQGzCwoSixJLSovBormpJRn5KTwMrGmJOcWpvFCam0HZzTXE2UM3tSA_PrW4IDE5NS-1JD402MjAwMzI0NzcwMzR0Jg4VQDfUCvl</recordid><startdate>20060928</startdate><enddate>20060928</enddate><creator>BARKMAN KIMBERLY D</creator><creator>JARRARD JERRY</creator><creator>MCQUISTON JESSE</creator><creator>HO SAM</creator><creator>DANG KENNY L</creator><creator>WILLIS GEOFFREY H</creator><creator>CALLAS PETER L</creator><creator>STEWART MICHAEL C</creator><creator>ABBOTT RYAN C</creator><creator>LAMBERTI JOSEPH N</creator><creator>LAU LIMING</creator><creator>LIN ARTHUR M</creator><creator>ESCANO ARNOLD M</creator><scope>EVB</scope></search><sort><creationdate>20060928</creationdate><title>Tissue welding and cutting apparatus and method</title><author>BARKMAN KIMBERLY D ; JARRARD JERRY ; MCQUISTON JESSE ; HO SAM ; DANG KENNY L ; WILLIS GEOFFREY H ; CALLAS PETER L ; STEWART MICHAEL C ; ABBOTT RYAN C ; LAMBERTI JOSEPH N ; LAU LIMING ; LIN ARTHUR M ; ESCANO ARNOLD M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2006217706A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2006</creationdate><topic>DIAGNOSIS</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>IDENTIFICATION</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>SURGERY</topic><toplevel>online_resources</toplevel><creatorcontrib>BARKMAN KIMBERLY D</creatorcontrib><creatorcontrib>JARRARD JERRY</creatorcontrib><creatorcontrib>MCQUISTON JESSE</creatorcontrib><creatorcontrib>HO SAM</creatorcontrib><creatorcontrib>DANG KENNY L</creatorcontrib><creatorcontrib>WILLIS GEOFFREY H</creatorcontrib><creatorcontrib>CALLAS PETER L</creatorcontrib><creatorcontrib>STEWART MICHAEL C</creatorcontrib><creatorcontrib>ABBOTT RYAN C</creatorcontrib><creatorcontrib>LAMBERTI JOSEPH N</creatorcontrib><creatorcontrib>LAU LIMING</creatorcontrib><creatorcontrib>LIN ARTHUR M</creatorcontrib><creatorcontrib>ESCANO ARNOLD M</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BARKMAN KIMBERLY D</au><au>JARRARD JERRY</au><au>MCQUISTON JESSE</au><au>HO SAM</au><au>DANG KENNY L</au><au>WILLIS GEOFFREY H</au><au>CALLAS PETER L</au><au>STEWART MICHAEL C</au><au>ABBOTT RYAN C</au><au>LAMBERTI JOSEPH N</au><au>LAU LIMING</au><au>LIN ARTHUR M</au><au>ESCANO ARNOLD M</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Tissue welding and cutting apparatus and method</title><date>2006-09-28</date><risdate>2006</risdate><abstract>A surgical apparatus and methods for severing and welding tissue, in particular blood vessels. The apparatus includes an elongated shaft having a pair of relatively movable jaws at a distal end thereof. A first heating element on one of the jaws is adapted to heat up to a first temperature and form a welded region within the tissue, while a second heating element on one of the jaws is adapted to heat up to a second temperature and sever the tissue within the welded region. The first and second heating elements may be provided on the same or opposite jaws. A control handle provided on the proximal end of the elongated shaft includes controls for opening and closing the jaws, and may include an actuator for sending current through the first and second heating elements. The first and second heating elements may be electrically connected in series, and the first heating element may be bifurcated such that it conducts about one half of the current as the second heating element. A force-limiting mechanism provided either within the control handle, in the elongated shaft, or at the jaws limits the pressure applied to the tissue by the jaws to ensure that the tissue is severed and the ends effectively welded within a short amount of time.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY |
| title | Tissue welding and cutting apparatus and method |
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