Patent ID: 9188516
Filing Date: 2015-11-17
Classification: G01N

Abstract:
1. A device for staining suspended cells, which is composed of a cannula ( 1 ), a pushrod ( 2 ), a plunger sealing pad ( 3 ) and a capture membrane ( 4 ), wherein the cannula 1 is of a hollow cylindrical tubular structure, and the plunger sealing pad ( 3 ) is of a circular plate structure, locating at an upper part within the cavity of the cannula ( 1 ); The periphery of the plunger sealing pad 3 seal fit the inner wall of tubular cavity of the cannula 1 in slidable pattern; The pushrod ( 2 ) is of a long rod structure, the front end of which is connected to the top of the plunger sealing pad ( 3 ) and integrate with the plunger sealing pad ( 3 ) into one body; The capture membrane ( 4 ) is located at a lower part within the cavity of the cannula ( 1 ), dividing the internal cavity of the cannula ( 1 ) into two parts, the cavity above membrane and the cavity below membrane; An opening ( 5 ) above the membrane provided for injecting and discharging solution is disposed on the wall of the cannula ( 1 ) above the capture membrane ( 4 ), where is close to the capture membrane ( 4 ); An opening ( 6 ) below the membrane provided for injecting and discharging solution is disposed on the wall of the cannula ( 1 ) below the capture membrane ( 4 ); wherein valves ( wherein the opening ( wherein the capture membrane (