Chest drain
FIG. 1 is a front elevational view of a chest drain showing our new design; 
     FIG. 2 is a back elevational view of the drain of FIG. 1; 
     FIG. 3 is a top plan view of the drain of FIG. 1; 
     FIG. 4 is a bottom plan view of the drain of FIG. 1; 
     FIG. 5 is a right side elevational view of the drain of FIG. 1; 
     FIG. 6 is a left side elevational view of the drain of FIG. 1; 
     FIG. 7 is a front elevational view of a chest drain showing a second embodiment of our new design; 
     FIG. 8 is a back elevational view of the drain of FIG. 7; 
     FIG. 9 is a top plan view of the drain of FIG. 7, the bottom, right and left views of this embodiment being identical to FIGS. 4, 5 and 6, respectively; 
     FIG. 10 is a front elevational view of a chest drain showing a third embodiment of our new design; 
     FIG. 11 is a back elevational view of the drain of FIG. 10, the top, bottom, right and left views being identical to FIGS. 3, 4, 5 and 6, respectively; 
     FIG. 12 is a front elevational view of a chest drain showing a fourth embodiment of our new design; 
     FIG. 13 is a back elevational view of the drain of FIG. 12; 
     FIG. 14 is a top plan view of the drain of FIG. 12, the bottom, right and left views being identical to FIGS. 4, 5 and 6, respectively; 
     FIG. 15 is a front elevational view of a chest drain showing a fifth embodiment of our new design; 
     FIG. 16 is a back elevational view of the drain of FIG. 15; 
     FIG. 17 is a top plan view of the drain of FIG. 15; 
     FIG. 18 is a bottom plan view of the drain of FIG. 15, the left side elevational view being identical to FIG. 5; 
     FIG. 19 is a front elevational view of a chest drain showing a sixth embodiment of our new design, the back, top, bottom, left and right side views being identical to FIGS. 16, 17, 18, 5 and 21, respectively; 
     FIG. 20 is a front elevational view of a chest drain showing a seventh embodiment of our new design, the back, top, bottom, left and right side views being identical to FIGS. 16, 17, 18, 5 and 21, respectively; and, 
     FIG. 21 is a right side elevational view of the embodiment of FIG. 15.