A surgical portal device includes a body portion defining a longitudinal axis and having a proximal end, a distal end, and a lumen configured to allow a surgical instrument to pass therethrough. At least one securing member is disposed in mechanical cooperation with the body portion and is longitudinally translatable with respect to the body portion between a first, non-actuated position and a second, actuated position. The one securing mechanism has a fixation segment configured to grasp tissue when the one securing member is in the second, actuated position to facilitate fixation of the body portion within the tissue. The body portion may include a channel. The one securing member may be disposed at least partially within the channel and is longitudinally translatable with respect to the channel.
1. A surgical portal device, comprising:
a body portion defining a longitudinal axis and having a proximal end, a distal end, and a lumen configured to allow a surgical instrument to pass therethrough; and
at least one securing member disposed in mechanical cooperation with the body portion and being longitudinally translatable with respect to the body portion between a first, non-actuated position and a second, actuated position, the one securing member having a fixation segment configured to grasp tissue when the one securing member is in the second, actuated position to facilitate fixation of the body portion within the tissue, and a conformable pad mounted to the fixation segment.
2. The device of claim 1 wherein the conformable pad comprises an elastomeric material.
3. The device of claim 1 wherein the fixation segment defines a general needle shape.
4. A surgical portal device, comprising:
a body portion defining a longitudinal axis and having a proximal end, a distal end, at least one channel, and a lumen configured to allow a surgical instrument to pass therethrough; and
at least one securing member disposed at least partially within the channel and being longitudinally translatable to slide within the channel between a first, non-actuated position and a second, actuated position, the at least one securing member having a fixation segment configured to grasp tissue when the one securing member is in the second, actuated position to facilitate fixation of the body portion within the tissue, wherein the fixation segment extends distally beyond the distal end of the body portion and is adapted to extend radially outward relative to the longitudinal axis when the one securing member is in the second, actuated position.
5. The device of claim 4 , wherein the fixation segment of the one securing member comprises a shape memory alloy.
6. The device of claim 4 , including first and second securing members, the first and second securing members being at least partially accommodated within respective channels of the body portion.
7. The device of claim 4 , including at least three securing members, the at least three second securing members being at least partially accommodated within respective channels of the body portion.
8. The device of claim 4 , including at least four securing members, the at least four securing members being at least partially accommodated within respective channels of the body portion.
9. A surgical method, comprising the steps of:
providing a surgical port, including:
a body defining a longitudinal axis and having proximal and distal ends;
a lumen extending through the body; and
at least one securing member disposed in mechanical cooperation with the body;
positioning the body at least partially within tissue;
moving the one securing member along the longitudinal axis such that the one securing member is distally advanced relative to the body from a non-actuated position to an actuated position such that a fixation segment of the securing member is exposed from the body and grasps tissue;
introducing a surgical instrument through the lumen of the body;
performing a surgical procedure with the surgical instrument;
returning the one securing member to the non-actuated position; and
removing the port from the tissue.
10. The surgical method of claim 9 wherein the surgical port includes at least two securing members and, wherein during the step of moving, the at least two securing members are moved from the non-actuated position to the actuated position such that the respective fixation segments grasp tissue.
11. The surgical method of claim 9 , wherein the step of moving includes advancing the one securing member from the non-actuated position where the one securing member is confined by the body to the actuated position where the one securing member is exposed from the body.
12. The surgical method of claim 11 , wherein the body defines a channel and wherein the step of moving includes sliding the one securing member within the channel.
13. The surgical method of claim 12 , wherein the surgical port includes first and second securing members and wherein the step of moving includes sliding the first and second securing members within respective first and second channels defined by the body.