DK2330181T3 - Automatiseret vævsmanipulationssystem - Google Patents
Automatiseret vævsmanipulationssystem Download PDFInfo
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- DK2330181T3 DK2330181T3 DK10186252.2T DK10186252T DK2330181T3 DK 2330181 T3 DK2330181 T3 DK 2330181T3 DK 10186252 T DK10186252 T DK 10186252T DK 2330181 T3 DK2330181 T3 DK 2330181T3
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- bioreactor
- tissue
- cell
- cells
- proliferation
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- C12M1/00—Apparatus for enzymology or microbiology
- C12M1/36—Apparatus for enzymology or microbiology including condition or time responsive control, e.g. automatically controlled fermentors
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/08—Bioreactors or fermenters specially adapted for specific uses for producing artificial tissue or for ex-vivo cultivation of tissue
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- C—CHEMISTRY; METALLURGY
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Claims (16)
- AUTOMATISERET VÆVSMANIPULATIONSSYSTEM1. Fremgangsmåde til (a) automatiseret proliferation af autologe, allogene eller xenogene celler til anvendelse i vævsmanipulationsfremgangsmåder, hvilken fremgangsmåde omfatter; - podning af celler på eller inde i et proliferationssubstrat eller -skelet, der understøttes inde i en bioreaktor (202), som er forbundet med et mediereservoir og strømningssystem (206), hvilken bioreaktor (202) har sensorer (132,134) til detektion af ændringer i miljøbetingelser, hvilket omfatter pH-værdi og temperatur samt opløste gasser inde i bioreaktoren (202), hvilke sensorer (132,134) genererer signaler, der overvåges af en mikroprocessor (128), og hvilken mikroprocessor (128) styrer og tilpasser det indre miljø i bioreaktoren (202) med henblik på at opfylde kravene til celleproliferation inde i bioreaktoren (202); - overvågning og opretholdelse af egnede dyrkningsbetingelser inde i bioreaktoren (202) i et tilstrækkeligt tidsrum til et ønsket niveau af celleproliferation, hvor statussen for celleproliferation bedømmes indirekte ved detektion af metabolisk omsætning som en funktion af tid, og bedømmelsen af statussen for celleproliferation omfatter bestemmelse af konfluensniveauet ved sensorbaseret overvågning.
- 2. Fremgangsmåde ifølge krav 1, der endvidere omfatter (b) automatiseret differentiering af celler, hvilken fremgangsmåde omfatter: - podning af celler på eller inde i et differentieringssubstrat eller -skelet, der understøttes inde i en bioreaktor (202), som er forbundet med et mediereservoir og strømningssystem (206), hvilken bioreaktor (202) har sensorer (132,134) til detektion af ændringer i omgivelsesbetingelser, hvilket omfatter pH-værdi og temperatur samt opløste gasser inde i bioreaktoren (202), hvilke sensorer (132,134) genererer signaler, der overvåges af mikroprocessoren (128), og hvilken mikroprocessor (128) overvåger progressionen af celledifferentiering og tilpasser miljøbetingelserne i bioreaktoren (202) med henblik på at opfylde kravene til celledifferentiering inde i bioreaktoren (202); - overvågning af fremskridtet for celledifferentiering inde i bioreaktoren (202) med henblik på at opretholde egnede dyrkningsbetingelser inde i bioreaktoren (202) i et tilstrækkeligt tidsrum til et ønsket niveau af celledifferentiering.
- 3. Fremgangsmåde ifølge krav 1 eller 2, der endvidere omfatter (c) fremstilling af en vævskonstruktion, hvilken fremgangsmåde omfatter: - podning af celler på eller inde i et skelet, hvilket skelet understøttes i en bioreaktor (202), som er forbundet med et mediereservoir og strømningssystem (206), hvilken bioreaktor (202) har sensorer (132,134) til detektion af ændringer i miljøbetingelser, hvilket omfatter pH og temperatur samt opløste gasser inde i bioreaktoren (202), hvilke sensorer (132,134) genererer signaler, der overvåges af en mikroprocessor (128), og hvilken mikroprocessor (128) overvåger progressionen af vævsudvikling og tilpasser miljøbetingelserne i bioreaktoren (202) med henblik på at opfylde kravene til vævsdannelse inde i bioreaktoren (202); - overvågning af fremskridtet for vævsudvikling med henblik på at opretholde egnede dyrkningsbetingelser inde i bioreaktoren (202) i et tilstrækkeligt tidsrum til, at cellerne kan udtrykke ekstracellulær matrix, der tilvejebringer strukturel understøtning for vævskonstruktionen.
- 4. Fremgangsmåde ifølge krav 1,2 eller 3, hvor målinger af pH-værdi, O2, CCteog glucoseforbrug anvendes til at detektere metabolisk omsætning.
- 5. Fremgangsmåde ifølge krav 1, hvor den sensorbaserede overvågning omfatter optisk overvågning via CCD-kamera.
- 6. Fremgangsmåde ifølge et hvilket som helst af kravene 3 til 5, hvor den dannede vævskonstruktion er et bruskimplantat, skeletimplantat eller en indre kerne i en rygmarvsskive.
- 7. Automatiseret cellekultur og/eller vævsmanipulationssystem, der omfatter; - én eller flere bioreaktorer (202), idet hver af bioreaktorerne (202) omfatter ét eller flere kamre deri, som er egnet til i brug at fremme fysiologiske cellefunktioner og/eller generering af én eller flere cellepopulationer og/eller vævskonstruktioner på en sekventiel og/eller samtidig processeringsmåde inde i og/eller mellem ønskede kamre og/eller bioreaktorer (202); hvor den ene eller flere bioreaktorer (202) er operativt forbundet med mediereservoir og strømningssystem (206), - sensorer (132,134), der er associeret med den ene eller flere bioreaktorer (202), til detektering af ændringer i miljøbetingelser, hvilket omfatter pH-værdi og temperatur samt opløste gasser inde i bioreaktoren (202), og hvilke sensorer (132,134) genererer signaler, der overvåges afen mikroprocessor (128); - middel til detektion af metabolisk omsætning som en funktion af tid til bedømmelse af statussen for celleproliferation; - sensorbaseret overvågningsmiddel til bestemmelse af konfluensniveauet; - en mikroprocessor (128) til fremkaldelse af den sekventielle og/eller samtidige biologiske processering i brug, og som i brug styrer og tilpasser det indre miljø i bioreaktoren (202) med henblik på at opfylde kravene til de forskellige cellekultur-og/eller vævsudviklingsstadier inde i bioreaktoren (202) som reaktion på overvågning af de signaler, der genereres af sensorerne (132,134); hvor mikroprocessoren (128) i brug overvåger progressionen af autolog, allogen eller xenogen celleproliferation og valgfrit celledifferentiering og/eller vævsudvikling og opretholder egnede dyrkningsbetingelser inde i bioreaktoren (202) i et tilstrækkeligt tidsrum til et ønsket niveau af celleproliferation og valgfrit i et tilstrækkeligt tidsrum til et ønsket niveau af celledifferentiering og/eller i et tilstrækkeligt tidsrum til, at cellerne kan udtrykke ekstracellulær matrix, der tilvejebringer strukturel understøtning for vævskonstruktionen.
- 8. System ifølge krav 7, hvor detektion af metabolisk omsætning som en funktion af tid omfatter måling af pH-værdi, O2, CO2 og glucoseforbrug.
- 9. System ifølge krav 7, hvor det sensorbaserede overvågningsmiddel omfatter et optisk overvågningsmiddel, hvor det optiske overvågningsmiddel omfatter et CCD-kamera.
- 10. System ifølge et hvilket som helst af kravene 7 til 9, hvor det ene eller flere kamre er valgt fra gruppen bestående af et vævsspaltningskammer, kultur- og proliferationskammer, differentierings- og vævsdannelseskammer samt kombinationer deraf.
- 11. System ifølge et hvilket som helst af kravene 7 til 10, hvor kamrene og/eller bioreaktorerne (202) tilvejebringes operabelt forbundet.
- 12. System ifølge et hvilket som helst af kravene 7 til 11, hvormindst ét af kamrene og/eller bioreaktorerne (202) er én af mindst uafhængigt operabelt og kooperativt operabelt.
- 13. System ifølge et hvilket som helst af kravene 7 til 12, hvormindst ét af kamrene og bioreaktorerne (202) er operabelt forbundet med henblik på i brug at tilvejebringe udskiftning af én eller flere af fluider, celler og væv.
- 14. System ifølge et hvilket som helst af kravene 7 til 13, hvor de to eller flere kamre og/eller bioreaktorer (202) er parallelt og/eller seriemæssigt operable.
- 15. System ifølge et hvilket som helst af kravene 7 til 14, hvor systemet endvidere omfatter én eller flere sensorer (132,134), der er egnet til overvågning i brug af parametre i forbindelse med de fysiologiske cellefunktioner og/eller generering af cellepopulationer og/eller vævskonstruktioner på den sekventielle og/eller samtidige processeringsmåde.
- 16. System ifølge et hvilket som helst af kravene 7 til 15, hvor systemet i brug udfører og/eller tilvejebringer én eller flere af følgende: -steril modtagelse/opbevaring af vævsbiopsi; - blanding og afgivelse af spaltningsreagenser; - overvågning af en spaltningsproces; - spaltning af biopsivæv til dannelse af dissocierede celler; - cellesortering og -valg; - cellepodning på eller inde i et proliferationssubstrat eller -skelet; - blanding og afgivelse af proliferationsreagenser; - proliferation af celler til ekspansion af cellepopulationer; - overvågning af cellebetingelser; - detektion af konfluens; - "controlled release" fra et proliferationssubstrat eller -skelet; - cellevaskning og celleindsamling; - cellepodning på eller inde i et vævsmanipulationsskelet eller en matrix; - blanding og afgivelse af differentieringsreagenser; - overvågning af celle- og vævskulturbetingelser; - celledifferentiering for at muliggøre specialisering af celleaktivitet; - vævsdannelse; - mekanisk og/eller biokemisk stimulering til fremme af vævsmodenhed; - affaldsindsamling; - høstning af vævsmanipulerede konstruktioner/implantater; og - opbevaring og transport af celler og/eller væv.
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| US37020902P | 2002-04-08 | 2002-04-08 | |
| EP03711758A EP1495108A2 (en) | 2002-04-08 | 2003-04-08 | Automated tissue engineering system |
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| US20230357696A1 (en) * | 2001-05-28 | 2023-11-09 | University Of Virginia Patent Foundation | Hermetically or aseptically sealed bioreactor system and related method thereof |
| WO2005116186A1 (en) * | 2004-05-26 | 2005-12-08 | Millenium Biologix Inc. | Advanced tissue engineering system |
| AU2005287162B2 (en) * | 2004-09-16 | 2010-12-23 | Becton, Dickinson And Company | Perfusion bioreactor for culturing cells |
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- 2003-04-08 CN CNA038132672A patent/CN1688686A/zh active Pending
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- 2003-04-08 DK DK10186252.2T patent/DK2330181T3/da active
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