CPC A61B 17/11 (2013.01) [A61B 2017/00004 (2013.01); A61B 2017/1107 (2013.01); A61B 2017/1132 (2013.01)] | 18 Claims |
1. A coupling device for providing a coupling site on a body lumen, the device comprising:
a back ring configured to fit around the body lumen, the back ring having a rear proximal portion and a forward distal portion; and
an engaging coupler including
a body that defines an inner lumen, the inner lumen being sized to at least partially receive the forward distal portion of the back ring,
a plurality of engaging arms extending distally from the body, and
a plurality of cuts with radial depth disposed in an outer surface of the engaging coupler,
wherein the engaging coupler is configured to enable attachment of the coupling device to an identical coupling device, the plurality of cuts of the engaging coupler being configured to accommodate engaging arms of the identical coupling device when the coupling devices are attached, and
wherein the plurality of cuts are angled so as to urge the engaging arms of the identical coupling device radially outward from the outer surface of the engaging coupler when the coupling devices are attached.
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