Chest drain
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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.
| D245372 | August 9, 1977 | Kurtz et al. |
| D255937 | July 15, 1980 | Kurtz et al. |
| D267433 | December 28, 1982 | Pageau |
| D328790 | August 18, 1992 | Herweck et al. |
| 4911697 | March 27, 1990 | Kerwin |
| 4988342 | January 29, 1991 | Herweck et al. |
- Thora-Drain III Flyer .COPYRGT.Chesebrough-Pond's Inc. Oct. 1980 back cover.
Type: Grant
Filed: Nov 8, 1990
Date of Patent: Oct 12, 1993
Assignee: Atrium Medical Corporation (Hollis, NH)
Inventors: Steve A. Herweck (Nashua, NH), Theodore Karwoski (Hollis, NH), Stephen M. Vail (Nashua, NH)
Primary Examiner: Louis S. Zarfas
Law Firm: Lahive & Cockfield
Application Number: 7/611,341
