sicebisa le 50ml ilandelayo intwasahlobo oluzenzekelayo umva isirinji eqhubekayo, eyenzelwe isilwanyana esikhulu, esifana neenkomo, ihashe, njl. kananjalo amandla oku intwasahlobo oluzenzekelayo umva isirinji eqhubekayo ifumaneka nge-10ml, 20ml kunye ne-30ml, ezifanelekileyo kwisilwanyana esincinci, esifana neegusha, iihagu, izinja, iikati, njl. le 50ml ye-automatic spring back syringe inesakhiwo esilula, kulula ukuyicoca kunye nokutshintsha iindawo ezisecaleni kubomi obude benkonzo, uyilo oluzenzekelayo lwe-spring back yesibambo lwenza ukuba lube lula kwaye lulondoloze umsebenzi ukusisebenzisa.