Patent ID: 6787367
Filing Date: 2004-09-07
Classification: B01L,Y10T

Abstract:
A method in a suction device which has a body and an associated end part with an open distal end directed away from the body for removably attaching a tip enclosing a sample space for receiving a liquid sample, the end part of the suction device enclosing a cylinder space containing a plunger, the method comprising the steps of:providing a barrier in an opening in the end part of the suction device, the barrier preventing liquid from passing into the cylinder space; changing the volume of the cylinder space for receiving a sample into and removing a sample from the tip, the volume of the cylinder space being changed with the plunger; detaching the barrier from the end part of the suction device by moving the plunger first in a direction of the opening in the end part of the suction device into contact with the barrier and then by moving the plunger in the direction of the opening for removing the barrier from the end part of the suction device.