1. A system for determining the constriction parameter in a liquid-filled tube, comprising: a probe with a first measuring sensor for instant measurement at various locations along the tube； a mechanism for pulling the probe through the tube； a position measuring device for providing location data regarding the location at which corresponding instantaneous measurement by the first measuring sensor； a processor for calculating, based on instantaneous measurements of the tube parameter at various locations along the tube. 2. The system of claim 1, wherein the mechanism is an electric drive mechanism. The system of claim 1, wherein the mechanism is a manual mechanism. The system of claim 1, wherein the position measuring device is a reader for reading a marker on a probe. The system of claim 4, wherein the marker on the probe is a radio frequency tag. The system of claim 4, wherein the reader is a device for reading RFID tags. The system of claim 1, wherein the position measuring device provides a relative location of the first measuring sensor in accordance with a known value. The system according to claim 1, in which the position measuring device provides the absolute location of the first measuring sensor. The system of claim 1, wherein the instantaneous measurements are pressure measurements. The system of claim 1, wherein the tube parameter is a ratio of instantaneous measurements taken at various locations along the tube, the tube parameter1. Система определения параметра сужения в заполненной жидкостью трубке, содержащая:зонд с первым измерительным датчиком для выполнения мгновенного измерения в различных местоположениях вдоль трубки；механизм для протяжки зонда через трубку；устройство измерения положения для предоставления данных о местоположении в отношении местоположения, в котором выполнено соответствующее мгновенное измерение первым измерительным датчиком；процессор для вычисления на основании мгновенных измерений параметра трубки в различных местоположениях
