Development and application of semi-automatic liquid nitrogen extracter / 医疗卫生装备

The semi-automatic liquid nitrogen extracter is lowcost and easy-to-use,which can prevent the volatilization of the liquid nitrogen during the extraction.

A simple bomu light treating instrument / 医疗卫生装备

In order to save the expense for hospitals,a simple bomu light treating instrument is developed by ourselves.It consists of bomu light,12V/24V transformer,5/50W variable potentiometer,silicon,capacitor,plugs and the worn ATX box.Although the structure is simpler and cost is lower,it can accomplish every treating function for gynecology.