Navigation and positioning instruments for joint repair and methods of use
View Patent ↗An instrument for controlled delivery of a device to a target area near a defect of a bone is provided. The instrument comprises a guide frame having a plurality of device portals, each portal defining a trajectory. The guide frame further includes visual markers for aligning the guide frame to an anatomical landmark on the bone to be treated. The instrument also includes a holder for releasable attachment with the guide frame. Each device portal is configured to provide accurate and controlled delivery of the device to the target area. In one example, the markers are radiopaque, and are visualized through fluoroscopy. A method of using the instrument is also provided.
1. An instrument for controlled delivery of a device to a target area near a defect of a bone, comprising:
a guide frame having a rail arm and a plurality of device portals on the arm, each portal defining an angular trajectory and having a zone designation relative to the guide frame, the angular trajectory and zone designation of each portal corresponding to a grid for locating the target area, the rail arm further including a visual marker, such that the guide frame can be aligned relative to an anatomical landmark on the bone by visualization of the marker;
a holder attachable to the guide frame;
wherein each device portal is configured to provide accurate and controlled delivery of the device to the target area.
2. The instrument of claim 1 , wherein the marker is radiopaque.
3. The instrument of claim 1 , wherein the marker is visualized through fluoroscopy.
4. The instrument of claim 1 , wherein the guide frame is circular.
5. The instrument of claim 4 , wherein the rail arm is a circular arm.
6. The instrument of claim 1 , further including an inferior guide releasably attachable to the guide frame.
7. The instrument of claim 6 , wherein the inferior guide includes a hole for insertion of a device.
8. The instrument of claim 1 , wherein the device is an implantable device.
9. The instrument of claim 1 , wherein the device is an insertion tool, drill, injection needle, or catheter.
10. A method for treating a target area near a bone defect, comprising:
providing an instrument for controlled delivery of a device to the target area near the bone defect, the instrument including a guide frame having a rail arm and a plurality of device portals on the arm, each portal defining an angular trajectory and having a zone designation relative to the guide frame, the angular trajectory and zone designation of each portal corresponding to a grid for locating the target area, the rail arm further including a visual marker, such that the guide frame can be aligned relative to an anatomical landmark on the bone by visualization of the marker; and a holder attachable to the guide frame; wherein each device portal is configured to provide accurate and controlled delivery of the device to the target area;
visualizing the marker;
aligning the visual marker relative to an anatomical landmark on the bone; and
introducing a device through the device portal of the guide frame and to the target area.
11. The method of claim 10 , wherein the instrument includes an inferior guide having a hole for the insertion of a device, and further including the step of introducing a device through the hole of the inferior guide.
12. The method of claim 10 , wherein the device is a cavity creation tool and further including the step of creating a cavity at the target area.
13. The method of claim 12 , wherein the cavity creation tool is a bone drill, tamp, cannula or expansion device.
14. The method of claim 10 , wherein the device is an implantable device.
15. The method of claim 14 , further including the step of attaching the implantable device to an insertion tool and introducing the insertion tool through the device portal to the target area.
16. The method of claim 10 , further including the steps of introducing an injection catheter through the device portal and injecting a material to the target area.
17. The method of claim 16 , wherein the material is a bone void filler, bone cement, biological agent, or a curable material.
18. The method of claim 10 , wherein the target area is near a bone defect, the defect including a bone marrow lesion, edema, sclerotic bone, fracture, or fissure.
19. The method of claim 10 , wherein the bone defect is located in subchondral bone.
20. The method of claim 19 , wherein the subchondral bone is at a knee joint.
21. The method of claim 10 , wherein the bone defect is located near an articular surface.
22. The method of claim 10 , wherein the device is introduced along a trajectory correlating to a template of images showing the bone defect.
23. The method of claim 22 , wherein the images are MRI images.
24. The method of claim 23 , wherein the MRI images are preoperative images.
25. The method of claim 23 , wherein the MRI images are intraoperative images.
26. The instrument of claim 1 , wherein the guide frame has a pair of rail arms, each arm having a plurality of device portals, each portal defining an angular trajectory and having a zone designation relative to the guide frame, and further wherein each rail arm includes a visual marker.
27. The instrument of claim 26 , wherein the guide frame is aligned relative to an anatomical landmark on the bone by aligning the visual markers relative to one another and to the anatomical landmark, under visualization.
28. An instrument for controlled delivery of a device to a target area near a defect of a bone, comprising:
a guide frame having a pair of rail arms, each arm having a plurality of device portals, each portal defining an angular trajectory and having a zone designation relative to the guide frame, the rail arms further including visual markers, such that the guide frame can be aligned relative to an anatomical landmark on the bone by aligning the visual markers relative to one another and to the anatomical landmark, under visualization; and
a holder attachable to the guide frame;
wherein each device portal is configured to provide accurate and controlled delivery of the device to the target area.
29. The instrument of claim 28 , wherein the markers are radiopaque.
30. The instrument of claim 28 , wherein the markers are visualized through fluoroscopy.
31. The instrument of claim 28 , wherein the guide frame is circular.
32. The instrument of claim 31 , wherein the rail arms are circular arms.
33. The instrument of claim 28 , further including an inferior guide releasably attachable to the guide frame.
34. The instrument of claim 33 , wherein the inferior guide includes a hole for insertion of a device.
35. The instrument of claim 28 , wherein the device is an implantable device.
36. The instrument of claim 28 , wherein the device is an insertion tool, drill, injection needle, or catheter.
37. A method for treating a target area near a bone defect, comprising:
providing an instrument for controlled delivery of a device to the target area near the bone defect, the instrument including a guide frame having a pair of rail arms, each arm having a plurality of device portals, each portal defining an angular trajectory and having a zone designation relative to the guide frame, the rail arms further including visual markers, such that the guide frame can be aligned relative to an anatomical landmark on the bone by aligning the visual markers relative to one another and to the anatomical landmark, under visualization; and a holder attachable to the guide frame; wherein each device portal is configured to provide accurate and controlled delivery of the device to the target area;
visualizing the markers;
aligning the visual markers relative to one another and to an anatomical landmark on the bone; and
introducing a device through the device portal of the guide frame and to the target area.
38. The method of claim 37 , wherein the instrument includes an inferior guide having a hole for the insertion of a device, and further including the step of introducing a device through the hole of the inferior guide.
39. The method of claim 37 , wherein the device is a cavity creation tool and further including the step of creating a cavity at the target area.
40. The method of claim 39 , wherein the cavity creation tool is a bone drill, tamp, cannula or expansion device.
41. The method of claim 37 , wherein the device is an implantable device.
42. The method of claim 41 , further including the step of attaching the implantable device to an insertion tool and introducing the insertion tool through the device portal to the target area.
43. The method of claim 37 , further including the steps of introducing an injection catheter through the device portal and injecting a material to the target area.
44. The method of claim 43 , wherein the material is a bone void filler, bone cement, biological agent, or a curable material.
45. The method of claim 37 , wherein the target area is near a bone defect, the defect including a bone marrow lesion, edema, sclerotic bone, fracture, or fissure.
46. The method of claim 37 , wherein the bone defect is located in subchondral bone.
47. The method of claim 37 , wherein the subchondral bone is at a knee joint.
48. The method of claim 37 , wherein the bone defect is located near an articular surface.
49. The method of claim 37 , wherein the device is introduced along a trajectory correlating to a template of images showing the bone defect.
50. The method of claim 49 , wherein the images are MRI images.
51. The method of claim 50 , wherein the MRI images are preoperative images.
52. The method of claim 50 , wherein the MRI images are intraoperative images.