CPC A61B 1/00137 (2013.01) [A61B 1/0011 (2013.01); A61B 1/0014 (2013.01); A61B 1/00064 (2013.01); A61B 1/00147 (2013.01); A61B 1/015 (2013.01); A61B 1/018 (2013.01); A61B 10/0275 (2013.01); A61B 10/04 (2013.01); B29D 99/0053 (2013.01)] | 20 Claims |
1. A seal for use in combination with an endoscope, the seal comprising:
a main body including a circumferential outer wall surrounding a central lumen, the main body having a top surface and a bottom surface;
at least one support wall extending radially from the outer wall towards a center of the lumen; and
at least one helical flap extending from the support wall helically downward along an inner surface of the outer wall, wherein the at least one helical flap defines an opening at the center of the lumen;
wherein:
the at least one support wall consists of only first and second support walls; and
the at least one helical flap consists of only first and second helical flaps.
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