volumetric displacement of vascular access device

A medical device, comprising: a dispositiUn medical device, comprising: a vascular access device (10, 210) with a devo vascular access port (10, 210) with an access hole (10) having a septum ( 22, 98, 112, 136, access (10) having a septum (22, 98, 112, 136, 172) and a slit (24, 224), where the slit 172) and a slit (24, 224) wherein the slit (24, 224) is formed on the inner surface or (24, 224) is formed on the inner surface of a septum cuerpodel (150), and wherein the hole den cuerpodel septum (150), and wherein the access hole (10) receives an access device (26), access (10) receives an access device (26) which esindependiente device going access esindependiente the vascular access device (10, 210) through the slit (152, 174) cular (10, 210) through the slit (152, 174) of the septum (22, 98.112, 136, 172); rigiddel a septum member (22, 98.112, 136, 172); a pivoting rigid member (66, 76, 176, 234), wherein the pivoting member (66, 76, 176, 234), wherein the pivoting member (54, 100, 114.126, 176) pivots and pivot aumeno (54, 100, 114.126, 176) pivots and increases the volume of a chamber (188) when the orificta the volume of a chamber (188) when the opening (10) accesses an access device (10, 210) io (10) accessed by a access device (10, 210) such that when removing the device accde such that when removing the access device (10, 210) is not attracted fluid to dispositivomedeso (10, 210) is not attracted fluid to dispositivomedico, wherein the rigico pivoting member, wherein the rigid pivot member (66, 176) is located within the wall of the left (66, 176) is located within the wall of the septum (22, 222), in comunicacioncon the desepto hole (22, 222), in comunicacioncon the access hole (10). access (10).