PATENTSCOPE will be unavailable a few hours for maintenance reason on Tuesday 19.11.2019 at 4:00 PM CET
Search International and National Patent Collections
Some content of this application is unavailable at the moment.
If this situation persists, please contact us atFeedback&Contact
1. (WO2017136026) DEVICES AND METHODS FOR SUTURE PLACEMENT
Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

CLAIMS:

1. A suturing device suitable for use in minimally invasive surgical procedures using a small surgical portal, the device comprising:

an elongate body including a distal end portion extending along a longitudinal axis;

an actuator interacting with the elongate body and operable between a first operating position and a second operating position; and

a curved needle holder extending away from the distal end portion or provided as part of the distal end portion of the elongate body, the curved needle holder including a distal end section having a distal-most tip, the curved needle holder defining a curved needle passage and a distal opening adjacent the distal-most tip, the curved needle passage being configured to receive at least a portion of an associated curved needle when the actuator is in the first operating position,

wherein a distance measured parallel with the longitudinal axis between where the curved needle holder begins to curve away from the longitudinal axis to either where the elongate body begins to curve away from the longitudinal axis or where the elongate body connects with a handle is between about 10 cm to about 20 cm.

2. The suturing device of claim 1 , wherein the distal-most tip is offset from the longitudinal axis in a direction perpendicular to the longitudinal axis an offset distance less than about 7 mm.

3. The suturing device of claim 2, wherein the curved needle passage has a curved needle passage radius that follows an arc length less than about 140 degrees between where the curved needle holder begins to curve away from the longitudinal axis and the distal-most tip.

4. The suturing device of claim 2, wherein the curved needle passage has a curved needle passage radius that follows an arc length less than about 110 degrees between where the curved needle holder begins to curve away from the longitudinal axis and the distal-most tip.

5. The suturing device of claim 1 , wherein a maximum outer diameter of the curved needle holder is about equal to or less than a maximum outer diameter of the elongate body.

6. The suturing device of claim 1 , wherein the outer diameter of the elongate body and the curved needle holder between where the curved needle holder begins to curve away from the longitudinal axis to either where the elongate body begins to curve away from the longitudinal axis or where the elongate body connects with the handle is less than 3.5 mm.

7. The suturing device of claim 1 , wherein the handle has a maximum width W measured perpendicular to the longitudinal axis, wherein W < 12 mm.

8. The suturing device of claim 1 , wherein the distance measured parallel with the longitudinal axis between where the curved needle holder begins to curve away from the longitudinal axis to either where the elongate body begins to curve away from the longitudinal axis or where the elongate body connects with the handle is less than 13 cm.

9. The suturing device of claim 1 , wherein the elongate body has a bayonet configuration.

10. The suturing device of claim 1 , wherein the actuator includes a button including an operator contact surface configured to be depressed by a surgeon's finger or thumb, wherein the button has a maximum width measured perpendicular to the longitudinal axis between 90% and 1 10% of a maximum width W measured perpendicular to the longitudinal axis.

11 . The suturing device of claim 10, wherein the actuator includes a wire, which is flexible, wherein the button is operatively connected with the wire such that movement of the button results in movement of the wire.

12. The suturing device of claim 1 , wherein curved needle holder is releasably connected with the elongate body.

13. The suturing device of claim 1 , further comprising:

a curved needle having first end, which is pointed, and a second end, wherein the curved needle is received in the curved needle passage; and

a suture connected with the curved needle.

14. The suturing device of claim 13, wherein at least a portion of the suture extends through the distal opening when the curved needle is received in the curved needle passage and the actuator is in the first operating position.

15. The suturing device of claim 13, wherein the curved needle has a maximum outer diameter that is at least 40% of an inner diameter of the curved needle passage, and the maximum outer diameter is not greater than 90% of the inner diameter of the curved needle passage.

16. The suturing device of claim 15, wherein the curved needle holder has an arc length between 5 - 25 % longer than the arc length of the curved needle.

17. The suturing device of claim 16, wherein the curved needle passage has a curved needle passage radius that follows an arc length less than about 140 degrees between where the curved needle holder begins to curve away from the longitudinal axis and the distal-most tip.

18. The suturing device of claim 16, wherein the curved needle passage has a curved needle passage radius that follows an arc length less than about 1 10 degrees between where the curved needle holder begins to curve away from the longitudinal axis and the distal-most tip.

19. The suturing device of claim 15, wherein at least a portion of the suture extends along the curved needle passage from the second end of the curved needle toward the distal opening between the curved needle and an inner surface of the curved needle holder when the curved needle is received in the curved needle passage and the actuator is in the first operating position.

20. The suturing device of claim 1 , wherein the distal opening is non-circular.

21 . A suturing device suitable for use in minimally invasive surgical procedures using a small surgical portal, the device comprising:

an elongate body including a distal end portion extending along a longitudinal axis;

an actuator interacting with the elongate body and operable between a first operating position and a second operating position; and

a curved needle holder extending away from the distal end portion or provided as part of the distal end portion of the elongate body, the curved needle holder including a distal end section having a distal-most tip, the curved needle holder defining a curved needle passage and a distal opening adjacent the distal-most tip, the curved needle passage being configured to receive at least a portion of an associated curved needle when the actuator is in the first operating position,

wherein the distal-most tip is offset from the longitudinal axis in a direction perpendicular to the longitudinal axis an offset distance less than about 7 mm.

22. The suturing device of claim 21 , wherein a distance measured parallel with the longitudinal axis between where the curved needle holder begins to curve away from the longitudinal axis to either where the elongate body begins to curve away from the longitudinal axis or where the elongate body connects with a handle is between about 10 cm to about 20 cm.

23. The suturing device of claim 21 , wherein the curved needle passage has a curved needle passage radius that follows an arc length less than about 140 degrees between where the curved needle holder begins to curve away from the longitudinal axis and the distal-most tip.

24. The suturing device of claim 21 , wherein the curved needle passage has a curved needle passage radius that follows an arc length less than about 110 degrees between where the curved needle holder begins to curve away from the longitudinal axis and the distal-most tip.

25. The suturing device of claim 21 , wherein a maximum outer diameter of the curved needle holder is about equal to or less than a maximum outer diameter of the elongate body.

26. The suturing device of claim 21 , wherein the outer diameter of the elongate body and the curved needle holder between where the curved needle holder begins to curve away from the longitudinal axis to either where the elongate body begins to curve away from the longitudinal axis or where the elongate body connects with a handle is less than 3.5 mm.

27. The suturing device of claim 26, wherein the handle has a maximum width W measured perpendicular to the longitudinal axis, wherein W < 12 mm.

28. The suturing device of claim 21 , wherein the distance measured parallel with the longitudinal axis between where the curved needle holder begins to curve away from the longitudinal axis to either where the elongate body begins to curve away from the longitudinal axis or where the elongate body connects with a handle is less than 13 cm.

29. The suturing device of claim 21 , wherein the elongate body has a bayonet configuration.

30. The suturing device of claim 21 , wherein the actuator includes a button including an operator contact surface configured to be depressed by a surgeon's finger or thumb, wherein the button has a maximum width measured perpendicular to the longitudinal axis between 90% and 1 10% of a maximum width W measured perpendicular to the longitudinal axis.

31 . The suturing device of claim 30, wherein the actuator includes a wire, which is flexible, wherein the button is operatively connected with the wire such that movement of the button results in movement of the wire.

32. The suturing device of claim 21 , wherein curved needle holder is releasably connected with the elongate body.

33. The suturing device of claim 21 , further comprising:

a curved needle having first end, which is pointed, and a second end, wherein the curved needle is received in the curved needle passage; and

a suture connected with the curved needle.

34. The suturing device of claim 33, wherein at least a portion of the suture extends through the distal opening when the curved needle is received in the curved needle passage and the actuator is in the first operating position.

35. The suturing device of claim 33, wherein the curved needle has a maximum outer diameter that is at least 40% of an inner diameter of the curved needle passage, and the maximum outer diameter is not greater than 90% of the inner diameter of the curved needle passage.

36. The suturing device of claim 35, wherein the curved needle holder has an arc length between 5 - 25 % longer than the arc length of the curved needle.

37. The suturing device of claim 36, wherein the curved needle passage has a curved needle passage radius that follows an arc length less than about 140 degrees between where the curved needle holder begins to curve away from the longitudinal axis and the distal-most tip.

38. The suturing device of claim 36, wherein the curved needle passage has a curved needle passage radius that follows an arc length less than about 1 10 degrees between where the curved needle holder begins to curve away from the longitudinal axis and the distal-most tip.

39. The suturing device of claim 35, wherein at least a portion of the suture extends along the curved needle passage from the second end of the curved needle toward the distal opening between the curved needle and an inner surface of the curved needle holder when the curved needle is received in the curved needle passage and the actuator is in the first operating position.

40. A method of operating a suturing device to repair a tissue tear, comprising:

inserting at least one suturing device having a first needle and a suture connected with the first needle loaded therein into a small surgical portal;

positioning a first distal-most tip of the at least one suturing device under an internal side of tissue on a first side of a tear through the tissue; and

actuating an actuator on the at least one suturing device to advance a first end of the first needle through the tissue from the internal side toward an outer side.

41 . The method of claim 40, further comprising:

positioning the first distal-most tip or a second distal-most tip of the at least one suturing device having a second needle and the suture connected with the second needle loaded therein under the internal side of tissue on a second side of the tear;

actuating the actuator on the at least one suturing device to advance the second needle through the tissue from the internal side toward the outer side until a second, opposite, end of the second needle and the suture are released from the at least one suturing device.

42. The method of claim 41 , wherein at least a portion of the suture remains outside of the patient when positioning the first distal-most tip.

43. The method of claim 40, wherein the at least one suturing device includes an elongate body and positioning the first distal-most tip further includes maintaining at least a distal end portion of the elongate body in an orientation closer to parallel with a central axis of the small surgical portal as compared to perpendicular with the central axis while positioning the first distal-most tip.

44. The method of claim 43, wherein actuating the actuator further includes actuating the actuator to advance the first needle first toward a proximal end portion of the elongate body and then along a curved path through the tissue.

45. The method of claim 40, wherein positioning the first distal-most tip includes inserting the first distal-most tip through the tear until the first distal-most tip is underneath although offset from the internal side of the tissue on the first side of the tear and rotating the suturing device about a longitudinal axis of the suturing device prior to actuating the actuator.

46. The method of claim 40, further comprising indenting the tissue with the first distal-most that an indentation is visible on the outer side of the tissue prior to actuating the actuator.