Cov tsos ntawm cov koob txhaj tshuaj yog ib qho kev hloov pauv hauv lub sijhawm ntawm cov khoom siv kho mob. Cov txheej txheem ntawm kev kos duab thiab txhaj tshuaj roj lossis kua nrog rab koob yog hu ua kev txhaj tshuaj. Lub syringe yog tsim los ntawm ib rab koob nrog ib lub qhov me me nyob rau hauv pem hauv ntej kawg thiab ib tug sib xws piston core pas nrig. Nws yog siv los txhaj me me ntawm cov kua lossis rau hauv cov chaw uas tsis tuaj yeem nkag los ntawm lwm txoj hauv kev lossis thim tawm ntawm cov chaw ntawd. Thaum cov tub ntxhais qws rub tawm, cov kua los yog roj yog nqus los ntawm lub qhov me me ntawm qhov kawg ntawm lub syringe, thiab cov kua los yog roj yog nyem tawm thaum lub pas nrig tseem ceeb raug thawb rau hauv.
Raws li cov ntaub ntawv keeb kwm kho mob, thawj daim ntawv ntawm cov koob txhaj tshuaj yog ib qho enema. Zhang Zhongjing, kws kho mob nyob rau hauv Han Dynasty nyob rau hauv Suav teb, sau nyob rau hauv nws "Treatise on Febrile Diseases" (sau nyob rau hauv 219 AD) "Txhua Zaj Dab Neeg ntawm Yangming": "Yangming kab mob, spontaneous tawm hws, yog tawm hws, tso zis rau tus kheej nyiam. , qhov no yog lub cev kua Exhaustion yog ib qho nyuaj rau tawm tsam, tab sis thaum koj xav kom muaj lub plab, koj yuav tsum decoct nws nrog zib mu yog cov hauv paus hniav ntawm dib thiab npua cov kua tsib tuaj yeem siv los ua kev qhia. " Nws kuj tseem pom tseeb hauv kab lus "Pig Bile Recipe" hauv phau ntawv no. Taw qhia: "Ib lub plab hnyuv loj, me ntsis kua txiv hmab txiv ntoo thiab cov kua txiv hmab txiv ntoo me me, tuaj yeem siv los ua dej hauv hav (qhov quav), xws li noj ib hectare, thaum tso quav, nws zoo heev rau noj tej yam phem." Yuav ua li cas "kub lub hav"?
Nws sau tias: "Cia li nqa ib lub raj xyoob me me mus rau hauv hav." Qhov no me me xyoob raj yog lub embryonic daim ntawv ntawm ib tug enema-ib tug syringe.