| CPC A61B 17/221 (2013.01) [A61B 17/32075 (2013.01); A61B 2017/00292 (2013.01); A61B 2017/00367 (2013.01); A61B 2017/00867 (2013.01); A61B 2017/2215 (2013.01); A61B 2017/320008 (2013.01); A61B 2017/320741 (2013.01); A61M 25/0074 (2013.01); A61M 25/0119 (2013.01); A61M 25/0668 (2013.01)] | 18 Claims |

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1. A medical device comprising:
an elongate shaft including a proximal end and a distal end, and one or more projections on the elongate shaft, wherein the shaft comprises a flexible inner elongate member slidably disposed within a flexible outer elongate member; and
a proximal handle disposed on the shaft, the proximal handle including a lock configured to receive one of the one or more projections from a proximal direction and to releasably lock onto the one of the one or more projections as the one of the one or more projections is pulled distally, to form a loop of the elongate shaft and to decrease an effective length of the elongate shaft.
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