Patent ID: 7204812
Filing Date: 2007-04-17
Classification: A61B

Abstract:
1. A medical device, comprising: a flexible outer tubular member having proximal and distal ends; a flexible inner member slidably received within the flexible outer tubular member, the flexible inner member comprising a stylet adjacent the proximal end of the outer tubular member, a first spring section having proximal and distal ends and being oriented adjacent the distal end of the outer tubular member, and a second spring section coupled to the stylet and the proximal end of the first spring section so that the stylet extends through the second spring section and partially into the proximal end of the first spring section; and a hollow needle member coupled to the distal end of the first spring section, wherein the device has a retracted position wherein the needle member is retractably housed within the outer tubular member and a distal end of the device is flexible, a first position wherein the needle member is deployed beyond the distal end of the outer tubular member and the second spring section is in an uncompressed state, and a second position wherein the second spring section is in a compressed state.