Multiple-firing suture fixation device and methods for using and manufacturing same
A multiple-firing crimp device comprises crimps, a shaft, a crimp movement assembly, and a snare. Each crimp has an internal hollow. The shaft has a distal crimping location, an exterior surface, and an interior with the clips stacked therein, the crimps moving therein along a longitudinal axis. The shaft defines a lateral opening proximal to the crimping location and communicates the interior to the environment outside the exterior surface. The crimp movement assembly within the shaft delivers the first crimp to the distal crimping location by moving the first crimp longitudinally from a first proximal position into the distal crimping location and returning to a second proximal position without the first crimp. The snare pulls at least one cord from distal of the first crimp through the first crimp and through a portion of the shaft and out the side of the shaft through the lateral opening.
1. A surgical suture-snaring device, comprising:
a hollow shaft having:
an exterior surface;
an interior;
a distal end defining a distal opening; and
a side portion defining a lateral opening through the exterior surface proximal to the distal end and communicating between the interior and an environment outside the exterior surface;
a snare movement assembly:
having a body encircling the shaft;
having a snare shaped:
to laterally pass into the interior of the shaft through the lateral opening;
to pass through the interior at the distal end and out the distal opening; and
to laterally pass out from the interior of the shaft through the lateral opening; and
configured to longitudinally translate on the shaft and move the snare:
distally from proximal of the lateral opening through the lateral opening, through the interior, and out the distal opening to an extended position in which the snare can temporarily secure at least one surgical suture; and
proximally through the distal opening and laterally out of the lateral opening from the interior to pull a portion of the at least one suture temporarily secured in the snare through the lateral opening and out a side of the shaft to present at least some of the portion of the at least one suture out from the lateral opening for access by a user.
2. The device according to claim 1 , wherein the lateral opening is ovular.
3. The device according to claim 1 , wherein the lateral opening is elliptical.
4. The device according to claim 1 , wherein the lateral opening is stadium shaped.
5. The device according to claim 1 , wherein the snare movement assembly longitudinally translates on the exterior surface of the shaft.
6. The device according to claim 1 , further comprising an alignment structure rotationally fixing the body at a given circumferential position on the shaft.
7. The device according to claim 6 , wherein the alignment structure is a keying assembly.
8. The device according to claim 6 , wherein the alignment structure is one of a secondary round tube, a secondary polygonal tube, and a tongue-and-groove.
9. The device according to claim 1 , wherein:
the shaft has an interior shaft diameter; and
responsive to the snare movement assembly moving the snare out the distal opening of the shaft, the snare automatically expands to form a loop having an interior loop diameter larger than the interior shaft diameter for receiving and temporarily securing the suture therein.
10. The device according to claim 1 , wherein the snare is of Nitinol and is heat set with a collapsible ovular distal end for snaring and passing suture portions through at least the distal end of the shaft.
11. The device according to claim 10 , wherein the snare is heat set with a U-shaped distal tip.
12. The device according to claim 1 , wherein the snare is of Nitinol and is heat set with a collapsible circular distal end for snaring and passing suture portions through at least the distal end of the shaft.
13. The device according to claim 12 , wherein the snare is heat set with a U-shaped distal tip.
14. The device according to claim 1 , wherein:
the shaft has a central axis; and
the body comprises a shuttle, the shuttle:
configured to longitudinally translate on the shaft;
having a hollow snare-extension tube through which the snare is threaded, the snare-extension tube being configured to guide the snare during movement of the snare;
configured to pivot the snare-extension tube towards the central axis of the shaft; and
configured to extend and retract the snare through the snare-extension tube.
15. The device according to claim 14 , wherein, responsive to the shuttle being laterally translated on the shaft to a position where the shuttle is permitted to pivot the snare-extension tube towards the central axis, the snare:
laterally passes with the snare-extension tube into the interior of the shaft through the lateral opening;
passes through the interior at the distal end and out the distal opening; and
laterally passes out from the interior of the shaft through the lateral opening and back into the snare-extension tube.
16. The device according to claim 15 , wherein:
responsive to the snare passing out from the distal opening, the snare opens; and
responsive to the snare laterally passing out from the interior of the shaft through the lateral opening, the snare pulls the portion of the at least one suture temporarily secured in the snare through the lateral opening and out the side of the shaft.
17. The device according to claim 14 , wherein, responsive to the shuttle being laterally translated on the shaft to a position where the shuttle is permitted to pivot the snare-extension tube towards the central axis, the snare:
moves distally from proximal of the lateral opening within the snare-extension tube through the lateral opening, moves out from the snare-extension tube, and moves out from the distal opening to the extended position; and
moves proximally through the distal opening and back into the snare-extension tube and laterally out of the lateral opening from the interior to pull the portion of the at least one suture temporarily secured in the snare through the lateral opening and out the side of the shaft.
18. A surgical suture-snaring device, comprising:
a hollow shaft having:
an exterior surface;
an interior;
a central axis;
a distal end defining a distal opening; and
a side portion defining a lateral opening through the exterior surface proximal to the distal end and communicating between the interior and an environment outside the exterior surface;
a snare movement assembly:
having a shuttle defining a lumen surrounding the shaft and configured to longitudinally translate on the shaft;
having a suture snare;
having a hollow snare-extension tube through which the snare is threaded, the snare-extension tube configured to guide the snare during movement of the snare;
configured to extend and retract the snare through the snare-extension tube;
configured to pivot the snare-extension tube towards the central axis of the shaft, the snare being shaped:
to laterally pass into the interior of the shaft through the lateral opening;
to pass through the interior at the distal end and out the distal opening; and
to laterally pass out from the interior of the shaft through the lateral opening; and
configured to move the snare:
distally from proximal of the lateral opening within the snare-extension tube through the lateral opening, out from the snare-extension tube, and out from the distal opening to an extended position in which the snare can temporarily secure at least one surgical suture therein; and
proximally through the distal opening and laterally out of the lateral opening from the interior to pull a portion of the at least one suture temporarily secured in the snare through the lateral opening and out a side of the shaft to present at least some of the portion of the at least one suture out from the lateral opening for access by a user.
19. The device according to claim 18 , wherein the snare is of Nitinol and is heat set with:
a collapsible loop-shaped distal end for snaring and passing suture portions through at least the distal end of the shaft; and
a U-shaped distal tip.