3D打印技术不但可以用来做雕塑、做玩具、做吃的，还可以用来挽救生命，让奇迹继续下去。德国Fraunhoferititutes的跨学科研究小组今天宣布已经创建了完整功能的人造血管，这种血管采用三维打印和强激光脉冲技术来完成，这种技术采用了特殊的含有生物分子聚合物的油墨来实现打印，强度和人类的血管相似，并且还可以用精确的强激光脉冲技术来实现毛细血管的创建。
这种血管可以代替人类血管实现养分运输等任务，不过如何将这种血管植入人体还是一个值得讨论的话题。

Researcherhaveeeworkingatgrowingtiueandorgaithelaboratoryforalongtime.Thesedays,tiueengineeringenableutouilduartificialtiue,althoughciencetillha’teeuccefulwithlargerorga.ow,researcheratFraunhoferarealyingewtechniqueandmaterialtocomeuwithartificialloodveelitheirioRarojectthatwilleabletoulyartificialtiueandmaybeevecomplexorgaifuture.TheyareexhibitingtheirfindingattheiotechnicaFairthatwilletakinglaceiHaover,GermanyoOctober11-13.

Thereweremoretha11,000ersoothewaitinglistfororgatralantatioiGermanyaloneattheegiingofthiyear,althoughotheaveragehardlyhalfamanytralantatioareerformed.Theaimoftiueengineeringitocreateorgaithelaboratoryforopeninguewoortunitieithifield.Unfortunately,researcherhavetilloteeabletoulyartificialtiuewithutrientecausetheydoothavetheecearyvascularystem.FiveFraunhofer-ititutejoinedforcei2009tocomeuwithiocompatibleartificialloodveels.Iteemedimpoibletouildtructureuchacapillaryveelthatareomallandcomplexanditwaeeciallytherancheandacethatmadelifedifficultfortheresearchers.utroductioengineeringcametotherescueecauserapidrototypingmakeitoibletouildworkpieceecificallyaccordingtoanycomplex3-Dmodel.ow,cientistatFraunhoferareworkingotraferringthitechnologytothegeneratiooftinyiomaterialtructureycombiningtwodifferenttechniques:the3-Drintingtechnologyestablishedirapidrototypingandmultiphotoolymerizatiodevelopediolymercience.

SuccefulCombination
A3-Dinkjetrintercagenerate3-dimeionalolidfromawidevarietyofmaterialveryquickly.ItaliethematerialilayerofdefinedhapeandtheselayerarechemicallyondedyUVradiation.Thialreadycreatemicrostructures,ut3-Drintingtechnologyitilltooimpreciseforthefinetructureofcapillaryveels.Thiiwhytheseresearchercombinethitechnologywithtwo-photoolymerization.riefutinteivelaserimpulseimpactthematerialandtimulatethemoleculeiaverymallfocuointothatcrolinkingofthemoleculeoccurs.Thematerialecomeaelasticolid,duetotheropertieoftherecursormoleculethathaveeeadjustedythechemistitherojectteam.Ithiwayhighlyrecise,elastictructureareuiltaccordingtoa3-dimeionaluildinglan.Dr.GünterTovaritherojectmanagerattheFraunhoferItituteforInterfacialEngineeringandiotechnologyIGasedituttgart.Whewecaughtuwithhim,hedescribedthelatestwork:amraquo;Theindividualtechniquearealreadyfunctioningandtheyareresentlyworkingithetesthasetherototypeforthecombinedystemieinguilt

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