re khothaletsa 50ml e latelang seringe e tswellang e tswellang, e etselitsoeng liphoofolo tse kholo, tse kang likhomo, pere, joalo-joalo. le bokhoni ba sena seringe e tswellang e tswellang e fumaneha ka 10ml, 20ml le 30ml, tse loketseng phoofolo e nyane, joalo ka linku, likolobe, lintja, likatse, joalo-joalo. syringe ena ea 50ml ea “automatic spring back back” e na le sebopeho se bonolo, ho bonolo ho hloekisa le ho nkela likarolo tse ling sebaka bakeng sa bophelo bo bolelele ba ts’ebeletso, moralo oa othomathike oa “spring back back” o etsa hore ho be bonolo ebile ho boloka mosebetsi.