What is a 2-way catheter

116006Ch 063 ml, "hard valve"30 cmwith stylet116008Ch 083 ml, "hard valve"30 cmwith stylet116010Ch 103 ml, "hard valve"30 cmwith stylet117012Ch 125 - 15 ml, "hard valve"40 cm–117014Ch 145 - 15 ml, "hard valve"40 cm–117016Ch 165 - 15 ml, "hard valve"40 cm–117018Ch 185 - 15 ml, "hard valve"40 cm–117020Ch 205 - 15 ml, "hard valve"40 cm–117022Ch 225 - 15 ml, "hard valve"40 cm–117024Ch 245 - 15 ml, "hard valve"40 cm–117026Ch 265 - 15 ml, "hard valve"40 cm–118012Ch 1230 ml, "hard valve"40 cm–118014Ch 1430 ml, "hard valve"40 cm–118016Ch 1630 ml, "hard valve"40 cm–118018Ch 1830 ml, "hard valve"40 cm–118020Ch 2030 ml, "hard valve"40 cm–118022Ch 2230 ml, "hard valve"40 cm–118024Ch 2430 ml, "hard valve"40 cm–118026Ch 2630 ml, "hard valve"40 cm–