Implant Grasper

• US 20070156171A1
• Filed: 11/22/2006
• Published: 07/05/2007
• Est. Priority Date: 05/25/2001
• Status: Abandoned Application

• Current Assignee: Conformis Incorporated
• Original Assignee: Conformis Incorporated
• Inventors: Lang, Philipp, Fitz, Wolfgang, Burdulis, Albert
• Application Number:
  US11/562,724
• Publication Number:
  US 20070156171A1
• Time in Patent Office: Days
• US Class Current: 606/205
• CPC Class Codes: A61B 2017/2808 Clamp, e.g. towel clamp
• CPC Class Codes: A61F 2/3872 Meniscus for implantation between the natural bone surfaces
• CPC Class Codes: A61F 2/461 of knees
• CPC Class Codes: A61F 2002/4622 having the shape of a forceps or a clamp

Abstract

A device for grasping an implant is provided. The implant has a first and second surface, with at least one of the first and seconds surfaces being non-planar. The device includes a first grasping element having a first grasping surface that conforms to the first surface of the implant, and a second grasping element having a second grasping surface conforming to the second surface of the implant. At least one of the first grasping element and the second grasping element can be moved to grasp the implant, such that the first grasping surface contacts the first surface of the implant and the second grasping surface contacts the second surface of the implant.

Claims

1. A device for grasping an implant, the implant for use in a joint and having a first and second surface, at least one of the first and seconds surfaces being non-planar, the grasper device comprising:

a first grasping element including a first grasping surface substantially conforming to the first surface of the implant;

a second grasping element including a second grasping surface substantially conforming to the second surface of the implant;

wherein at least one of the first grasping element and the second grasping element can be moved to grasp the implant, such that the first grasping surface contacts the first surface of the implant and the second grasping surface contacts the second surface of the implant.

2. The device according to claim 1, further comprising a first arm that includes the first grasping element, and a second arm that includes the second grasping element.

3. The device according to claim 2, wherein the first arm and second arm are pivotally attached.

4. The device according to claim 2, wherein at least one of the first grasping element and the second grasping element is integral to the first arm and second arm, respectively.

5. The device according to claim 2, wherein at least one of the first grasping element and the second grasping element is removably attached to the first arm and second arm, respectively.

6. The device according to claim 1, wherein at least one of the first grasping element and the second grasping element is made of a material from the group of materials consisting of metal, ceramic and plastic.

7. The device according to claim 1, wherein at least one of the first grasping element and the second grasping element is a mold.

8. The device according to claim 1, wherein the implant is an interpositional implant.

9. The device according to claim 8, wherein the implant is for one of a hip, knee, shoulder, vertebrae, elbow, ankle, hand, foot and wrist.

10. The device according to claim 1, wherein the first surface and the second surface of the implant are one of a medial and lateral side wall, an anterior and posterior side wall, and a top and bottom wall, respectively.

11. A surgical instrument for grasping an implant having a first and second surface, the implant for use in a joint, at least one of the first and seconds surfaces being non-planar, the surgical instrument comprising:

a first grasping element;

a second grasping element;

wherein at least one of the first grasping element and the second grasping element can be moved to grasp the implant such that the first grasping element contacts the first surface of the implant and the second grasping element contacts the second surface of the implant, and wherein at least one of the first grasping element and the second grasping element is made of a pliable material.

12. The surgical instrument according to claim 11, wherein the surgical instrument further includes a first arm that includes the first grasping element, and a second arm that includes the second grasping element.

13. The surgical instrument according to claim 12, wherein the first arm and second arm are pivotally attached.

14. The surgical instrument according to claim 12, wherein at least one of the first grasping element and the second grasping element is integral to the first arm and second arm, respectively.

15. The surgical instrument according to claim 12, wherein at least one of the first grasping element and the second grasping element is removably attached to the first arm and second arm, respectively.

16. The surgical instrument according to claim 11, wherein the pliable material is one of a plastic and rubber.

17. The surgical instrument according to claim 11, wherein at least one of the first grasping element and the second grasping element is a mold.

18. The surgical instrument according to claim 11, wherein the implant is an interpositional implant.

19. The surgical instrument according to claim 11, wherein the implant is for one of a hip, knee, shoulder, vertebrae, elbow, ankle, hand, foot and wrist.

20. The surgical instrument according to claim 11, wherein the first surface and the second surface of the implant are one of a medial and lateral side wall, an anterior and posterior side wall, and a top and bottom wall, respectively.

21. An implant system comprising:

an implant having first and second surfaces facing in substantially opposite directions, the first surface including a first indentation; and

an implant grasper for gripping the implant, the implant grasper including a first grasping element and a second grasping element;

wherein the first indentation has peripheral walls that prevent rotation of the implant when the first grasping element is received by the first indentation and the second grasping element of the implant grasper contacts the second surface to grasp the implant.

22. The implant system according to claim 21, wherein the peripheral walls of the indentation form a v shape, and wherein the first grasping element has peripheral walls that form a v shape.

23. The implant system according to claim 21, wherein the first indentation is not a weight-bearing surface of the implant.

24. The implant system according to claim 21, further comprising a second indentation on the second surface of the implant, the second indentation for receiving the second grasping element of the implant grasper.

25. The implant system according to claim 24, wherein the second indentation includes peripheral edges that prevent rotation of the implant when the second grasping element is received by the second indention.

26. The implant system according to claim 21, wherein the first indentation further includes a receptacle for accepting a protrusion on the first grasping element.

27. The implant system according to claim 21, wherein the implant is an interpositional implant.

28. The implant system according to claim 21, wherein the implant is for one of a hip, knee, shoulder, vertebrae, elbow, ankle, hand, foot and wrist.

29. A method of grasping an implant, the implant for use in a joint and having a first and second surface, at least one of the first and seconds surfaces being non-planar, the method comprising:

moving at least one of a first grasping element and a second grasping element to grasp the implant, the first grasping element including a first grasping surface that substantially conforms to the first surface of the implant, the second grasping element including a second grasping surface substantially conforming to the second surface of the implant, wherein the first grasping surface and the second grasping surface contact the first surface and the second surface of the implant, respectively.

30. The method according to claim 29, further comprising:

removably attaching the first grasping element to a first arm.

31. The method according to claim 30, further comprising:

removably attaching the second grasping element to a second arm, wherein moving at least one of a first grasping element and a second grasping element includes moving at least one of the first arm and the second arm.

32. The method according to claim 31, wherein the first arm and the second arm are pivotally attached.

33. The method according to claim 29, further comprising:

using a mold to form at least one of the first grasping surface and the second grasping surface.

34. The method according to claim 29, further comprising:

inserting said implant into a patient.

35. The method according to claim 34, wherein inserting the implant includes:

at least one of flexing, extending, rotating, abducting, and adducting the joint; and

advancing the implant to the joint during, before or after said at least one of flexing, extending, rotating, abducting, and adducting.

36. The method according to claim 29, wherein the implant is an interpositional implant.

37. The method according to claim 29, wherein the implant is for one of a hip, knee, shoulder, vertebrae, elbow, ankle, hand, foot and wrist.

38. The method according to claim 29, wherein the first surface and the second surface of the implant are one of a medial and lateral side wall, an anterior and posterior side wall, and a top and bottom wall, respectively.

39. A method for grasping an implant, the implant for use in a joint, the method comprising:

moving at least one of a first grasping element and a second grasping element to grasp the implant, at least one of the first grasping element and the second grasping element made of a pliable material.

40. The method according to claim 39, further comprising:

removably attaching the first grasping element to a first arm.

41. The method according to claim 40, further comprising:

removably attaching the second grasping element to a second arm, wherein moving at least one of a first grasping element and a second grasping element includes moving at least one of the first arm and the second arm.

42. The method according to claim 41, wherein the first arm and the second arm are pivotally attached.

43. The method according to claim 39, further comprising:

inserting said implant into a patient.

44. The method according to claim 39, wherein inserting the implant includes:

at least one of flexing, extending, rotating, abducting, and adducting the joint; and

advancing the implant to the joint during, before or after said at least one of flexing, extending, rotating, abducting, and adducting.

45. The method according to claim 39, wherein the implant is an interpositional implant.

46. The method according to claim 39, wherein the implant is for one of a hip, knee, shoulder, vertebrae, elbow, ankle, hand, foot and wrist.

47. A method for grasping an implant, the implant having a first and second surface, the implant further including a first indentation on the first surface, the method comprising:

moving at least one of a first grasping element and second grasping element to grasp the implant, such that the first grasping element is received by the first indentation, the first indentation including peripheral walls that prevent rotation of the first grasping element.

48. The method according to claim 47, wherein the peripheral walls of the indentation form a v shape, and the first grasping element has peripheral walls that form a v shape.

49. The method according to claim 47, wherein the implant includes a second indentation on the second surface of the implant, and moving includes placing the second grasping element into the second indentation, the second indentation including peripheral walls that prevent rotation of the second grasping element.

50. The method according to claim 47, wherein the first grasping element includes an protrusion, wherein the first indentation including a receptacle, and wherein moving includes inserting the protrusion into the receptacle.

51. A method for grasping an implant, the implant for use in a joint, the implant including at least one weight-bearing surface made of a non-metallic material, and a first surface and a second surface made of metal, the method comprising:

moving first and second grasping surfaces to grasp the implant, such that the first grasping surface and the second grasping surface contact the first surface and second surface of the implant, respectively.

52. The method according to claim 51, wherein the first and second surfaces are not weight-bearing surfaces.

53. A kit comprising:

an implant for use in a joint and having a first and second surface, at least one of the first and seconds surfaces being non-planar; and

a grasping device including;

a first grasping element including a first grasping surface substantially conforming to the first surface of the implant; and

a second grasping element including a second grasping surface substantially conforming to the second surface of the implant;

wherein at least one of the first grasping element and the second grasping element can be moved to grasp the implant, such that the first grasping surface contacts the first surface of the implant and the second grasping surface contacts the second surface of the implant.

54. The kit according to claim 53, wherein the implant is an interpositional implant.

55. The kit according to claim 53, wherein the implant is for one of a hip, knee, shoulder, vertebrae, elbow, ankle, hand, foot and wrist.

56. A kit comprising:

an implant having a first and second surface, the implant for use in a joint, at least one of the first and seconds surfaces being non-planar; and

a surgical instrument comprising;

a first grasping element; and

a second grasping element;

wherein at least one of the first grasping element and the second grasping element can be moved to grasp the implant such that the first grasping element contacts the first surface of the implant and the second grasping element contacts the second surface of the implant, and wherein at least one of the first grasping element and the second grasping element is made of a pliable material.

57. The kit according to claim 56, wherein the implant is an interpositional implant.

58. The kit according to claim 56, wherein the implant is for one of a hip, knee, shoulder, vertebrae, elbow, ankle, hand, foot and wrist.