Medical suturing tool with multiple puncture needles
View Patent ↗A suture tool for fixing the gastric wall to the abdominal wall includes a first puncture needle for insertion, a suture thread, a second puncture needle for removing the suture thread, a linear grasping member and one or more anchor member. The tip end portion of the suture thread is inserted into the first puncture needle and a hook of the linear grasping member is inserted into the second puncture needle for removing the suture thread inserted into the first puncture needle for securing the gastric wall to the abdominal wall.
1. A suture tool comprising:
a first puncture needle for inserting a suture in a patient, said first puncture needle having an insertion hole and a hub having a guide hole at a basal end of the first puncture needle;
a suture sized and shaped for insertion into the insertion hole of said first puncture needle for inserting the suture in the patient, said suture having a tip end portion;
a second puncture needle for taking out sutures from the patient, said second puncture needle having an insertion hole;
a linear grasping member sized and shaped for insertion into said insertion hole of said second puncture needle for removing the suture from the patient, the grasping member having an elongate intra needle and a hook extending obliquely from the intra needle, the hook of said linear grasping member being engageable with a tip end portion of the suture; and
a plug removably insertable into the guide hole of the hub to fix the suture in the insertion hole of said first puncture needle.
2. The suture tool in accordance with claim 1 , wherein said tip end portion of the suture comprises a ring.
3. The suture tool in accordance with claim 2 , wherein said tip end portion of said suture is perpendicular to a basal end portion of said suture.
4. The suture tool in accordance with claim 3 , wherein said basal end portion of said suture comprises a double thread and said suture is configured such that said tip end portion of said suture comprises a folded portion of the double thread.
5. The suture tool in accordance with claim 1 , wherein said hook of said linear grasping member is engaged with said tip end portion of said suture, said linear grasping member is pulled to a basal end opening side of said second puncture needle, and said tip end portion of said suture is engaged with a tip end opening of said second puncture needle when taking out sutures.
6. The suture tool in accordance with claim 1 , wherein said suture tool comprises a plurality of said second puncture needles and a plurality of said linear grasping members.
7. The suture tool in accordance with claim 1 , further comprising an anchor member including a plate having a notch part located in at least one location in an outer peripheral portion of the plate, a slit extending from the notch part toward a center of the plate, and an opening at an end of the slit near the center of the plate.
8. The suture tool in accordance with claim 1 , further comprising an anchor member including a band.
9. The suture tool in accordance with claim 1 , further comprising an anchor member including a stopper.
10. The suture tool in accordance with claim 1 , wherein said linear grasping member is inserted into said second puncture needle for taking out sutures from a basal end opening of the insertion hole of said second puncture needle.
11. The suture tool in accordance with claim 7 , further comprising a second notch part in the outer peripheral portion of the plate, a second slit extending from the second notch part toward the center of the plate, and a second opening at an end of the second slit near the center of the plate.