Review Article

Flushing and Locking of Venous Catheters: Available Evidence and Evidence Deficit

Table 2

Internal volume of single lumen venous catheters in mL.

Catheter length (cm)Internal diameter (mm)
0.50.60.70.80.911.11.21.31.41.51.6

100.020.030.040.050.060.080.090.110.130.150.180.20
150.030.040.060.080.100.120.130.170.200.230.260.30
200.040.060.080.100.130.160.170.230.270.310.350.40
250.050.070.100.130.160.200.220.280.330.380.440.50
300.060.080.120.150.190.240.260.340.400.460.530.60
350.070.100.130.180.220.270.300.400.460.540.620.70
400.080.110.150.200.250.310.350.450.530.620.710.80
450.090.130.170.230.290.350.390.510.600.690.790.90
500.100.140.190.250.320.390.430.570.660.770.881.00
550.110.160.210.280.350.430.470.620.730.850.971.11
600.120.170.230.300.380.470.520.680.800.921.061.21
650.130.180.250.330.410.510.560.730.861.001.151.31
700.140.200.270.350.450.550.600.790.931.081.241.41
750.150.210.290.380.480.590.650.850.991.151.321.51
800.160.230.310.400.510.630.690.901.061.231.411.61
850.170.240.330.430.540.670.730.961.131.311.501.71
900.180.250.350.450.570.710.781.021.191.381.591.81