The device 10 may also be used manually, e.g. by providing a suitable means for compressing {TAIL ~ the compressible portion} 20 for ensuring a closure of {HEAD ~ the transfer path} 35 from the outside and by manually pressing the blister for a rupture 
The device 10 may also be used manually , e.g. by providing a suitable means for compressing { TAIL ~ the compressible portion } 20 for ensuring a closure of { HEAD ~ the transfer path } 35 from the outside and by manually pressing the blister for a rupture
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH