一种新型软组织冷冻夹头的实验研究

:100025404(2007)1121087203,,,(,400038):,,,3mm,(499.141105)N,(-201),:;;:R2331;R318.01:AAnexperimentaldevelopmentofanewcryogenicgripperforsofttissuesOUYANGYun2fei,YANGLiu,DUANXiao2jun,DAIGang(JointSurgeryCenter,SouthwestHospital,ThirdMilitaryMedicalU2niversity,Chongqing400038,China)Abstract:ObjectiveTodevelopacryogenicgripperforsofttissuesusedintensiletestforsecurefixationofsofttissueswithoutdamages.MethodsBasedontheprincipleofcoolantevaporator,wereconstructedcop2perpipesinnovelarchitectureforfixingthesofttissues.ResultsThiscryogenicgrippercouldfirmlygripwetnylonthreadof3mmindiameteranditsholdingforcewas(499.141.05)Nanditstemperaturecouldbekeptat(-201).ConclusionThefunctionofthisgripperdevelopedbycoolantcryogenictechnologyissatisfactoryandreliable,anditscontinuanceisnotconcernedwithtime.Keywords:cryogenicgrip;softtissue;biomechanics,,[1-6],,,,,,:(1976-),,,,,:[phone],E2mail:[e-mail]:,:[phone],E2mail:[e-mail]:2007203205;:2007204213,,,,,,[7,8]11.1(45620mm),2,(66),100W2,2,2,(2.5mm,1mm),2,2(5mm,3mm)1.21.2.1,,,,7801291120076ACTAACADEMIAEMEDICINAEMILITARISTERTIAEVol.29,No.11Jun.2007©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),,,,11.2.2,,,,,,(2)21.2.32mm,4mm,3mm,3mm,20mm,()5mm(),(2)1.2.440mm,34mm,,3mm(),20mm,(),1.2.5(220V,100W),2mm,,,,1.2.6,,,,22.1(),,,,,2.2(1.0mm)4(,),4()(3.0mm),100mm()100mm,2.3(),,510min-20,2.40,15min2mm/min880129©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(4,),(4991141105)N,510min-20,3mm500N,120min,350kg(500N),500N20,1982Riemersa[9]Cryo2jaw,13800N1994Sharkey[1]Cryo2jaw,,510minWie2lochRickert[4,10]19982004Riemersa2002Lepetit[5],3min,,20,,BOSE2003(tissuegrips2thermal2electricallycooled)[3]33mm19mm(),2250N,,,,,,,,,,,,,,(),(:,!):[1]SharkeyNA,SmithTS,LundmarkDC.Freezeclampingmusculo2tendinousjunctionsforinvitrosimulationofjointmechanics[J].JBio2mech,1995,28(5):631-635.[2]RinconL,SchatzmannL,BrunnerP,etal.Designandevaluationofacryogenicsofttissuefixationdevice2loadtolerancesandthermalaspects[J].JBiomech,2001,34(3):393-397.[3]NickelT,VilendrerK,GrimesK,etal.Thermo2electricgripforhold2ingsofttissue:US,6547783[P].2003-04-15.[4]WielochP,BuchmannG,RothW,etal.Acryo2jawdesignedforinvitrotensiletestingofthehealingAchillestendonsinrats[J].JBio2mech,2004,37(11):1719-1722.[5]LepetitJ,FavierR,GrajalesA,etal.Asimplecryogenicholderfortensiletestingofsoftbiologicaltissues[J].JBiomech,2004,37(4):557-562.[6]RamachandranN,KoikeY,PoitrasP,etal.Dualcryogenicfixationformechanicaltestingofsoftmusculoskeletaltissues[J].IEEETransBiomedEng,2005,52(10):1792-1795.[7],,.[J].,2004,(4):38-40,67.[8],.[J].,2000,29(5):53-54,56.[9]RiemersaDJ,SchamhardtHC.Thecryo2jaw,aclampdesignedforinvitrorheologystudiesofhorsedigitalflexortendons[J].JBiomech,1982,15(8):619-620.[10]RickertM,GeorgousisH,WitzelU,etal.Tensilestrengthofthetendonofthesupraspinatusmuscleinthehuman.Abiomechanicalstudy[J].Unfallchirurg,1998,101(4):265-270.()9801©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.