| 主权项 |
1. A medical device comprising:
an elongate member having a proximal end, a distal end, and an elongate member body defining an elongate member lumen, a first chamber, a first passageway, and a second passageway, the first passageway providing access between an environment exterior to the first chamber and the first chamber, the second passageway providing access between the first chamber and an environment exterior to the first chamber, the elongate member movable between a first configuration and a second configuration that defines a curve; a first plug disposed within the first passageway and having a first plug body defining a first plug passageway; a second plug disposed within the second passageway and having a second plug body defining a second plug passageway; a tension member having a first end and a second end, the first end attached to the elongate member, the tension member extending from the first end, through the first plug passageway, through the first chamber, and through the second plug passageway, the tension member movable between a first position and a second position such that when the tension member is in the first position the elongate member is in the first configuration and when the tension member is in the second position the elongate member is in the second configuration; and a first material disposed within the first chamber and configured to seal the first chamber such that fluid is prevented from moving through the first chamber as the tension member is moved between its first position and second position. |
