Nqus Sterilized Needle Holder
Lus piav qhia luv luv:
1) Nws yog siv rau kev sib txuas ob lub tshuab nqus tsev thiab lub tshuab nqus tsev ntim cov raj.
2) Tom qab ua kom tsis muaj menyuam, thov siv cov khoom ua ntej hnub tas sij hawm.Yog tias lub hau tiv thaiv yog xoob lossis puas, thov tsis txhob siv nws.
3) Nws yog ib qho khoom lag luam.Tsis txhob siv nws zaum ob.
4) Rau koj txoj kev noj qab haus huv, tsis txhob siv tib cov ntshav lancet nrog qee tus neeg.
Keeb kwm ntawm In Vitro Fertilization (IVF) thiab embryo hloov chaw (ET) rov qab los thaum ntxov li xyoo 1890 thaum Walter Heape yog tus xibfwb thiab kws kho mob ntawm University of Cambridge, England, uas tau tshawb fawb txog kev yug me nyuam hauv ntau hom tsiaj. , tshaj tawm thawj kis ntawm embryo hloov pauv hauv luav, ntev ua ntej cov ntawv thov rau tib neeg fertility txawm hais tias.
Xyoo 1932, 'Brave New World' tau luam tawm los ntawm Aldous Huxley.Nyob rau hauv no science ntawv tseeb tshiab, Huxley realistically piav txog cov txheej txheem ntawm IVF raws li peb paub nws.Tsib xyoos tom qab xyoo 1937, ib qho kev sau ntawv tau tshwm sim hauv New England Journal of Medicine (NEJM 1937, 21 Lub Kaum Hli) uas yog qhov tsim nyog.
"Kev xav hauv lub iav saib: Lub Ntiaj Teb Siab Siab Tshiab" ntawm Aldous Huxley tej zaum yuav ze dua qhov kev paub. Pincus thiab Enzmann tau pib ib kauj ruam ua ntej nrog tus luav, cais lub zes qe menyuam, fertilizing nws hauv lub iav saib thiab rov cog nws hauv lwm qhov. tshaj li tus uas muab lub oocyte thiab tau ua tiav kev xeeb tub nyob rau hauv cov tsiaj unmated. Yog hais tias xws li ib tug ua tiav nrog luav yuav tsum tau duplicated nyob rau hauv tib neeg, peb yuav tsum nyob rau hauv cov lus ntawm 'flaming hluas' yog 'mus chaw.'"
Nyob rau hauv 1934 Pincus thiab Enzmann, los ntawm lub Laboratory ntawm General Physiology ntawm Harvard University, luam tawm ib daim ntawv nyob rau hauv lub Proceedings ntawm lub National Academy of Sciences ntawm lub teb chaws USA, tsa lub sij hawm uas mammalian qe yuav undergo ib txwm loj hlob nyob rau hauv vitro.Kaum plaub xyoos tom qab, xyoo 1948, Miriam Menken thiab John Rock tau khaws ntau dua 800 oocytes los ntawm cov poj niam thaum ua haujlwm rau ntau yam mob.Ib puas thiab peb caug-yim ntawm cov oocytes no tau raug spermatozoa hauv vitro.Xyoo 1948, lawv tau tshaj tawm lawv cov kev paub dhau los hauv American Journal of Obstetrics thiab Gynecology.
Txawm li cas los xij, nws tsis yog txog xyoo 1959 tias cov pov thawj tsis txaus ntseeg ntawm IVF tau txais los ntawm Chang (Chang MC, Fertilization of rabbit ova in vitro. Nature, 1959 8:184 (suul 7) 466) uas yog thawj tus uas tau yug los hauv cov tsiaj txhu ( ib tug luav) los ntawm IVF.Cov qe tshiab-ovulated tau fertilized, nyob rau hauv vitro los ntawm incubation nrog capacitated phev nyob rau hauv ib tug me me Carrel hwj rau 4 teev, yog li qhib txoj kev pab procreation.
