| 摘要 |
<p>Electrically insulated syringe (11) to be connected to a vein catheter for the sucking and injection of liquids, with connection possibilities to a line (5a, 5b, 5c, 5d) going to the ECG apparatus; by using the syringe of the present invention it is possible to measure the electric potential across the liquid column in the vein catheter (17) in order to control the vein catheter position when setting it in place and during its utilization, the syringe (11) forming a contact part (23, 25, 29) provided at its liquid chamber and the line connected to the ECG apparatus forming an independent sterile unit.</p> |
