Surgical retractor device and related methods
View Patent ↗A surgical retractor device. The surgical retractor device includes a frame having an outer frame member and an inner frame member coupled to the outer frame member for relative movement about a frame pivot axis, and a frame driver operable to rotate the outer frame member relative to the inner frame member about the frame pivot axis.
1. A surgical retractor comprising:
a first frame member;
a second frame member coupled to said first frame member and movable relative to said first frame member about a pivot axis from a first position nested with said first frame member to at least one second position disposed at an angle relative to said first frame member, the second frame member carrying at least one retractor arm;
a first drive arrangement for driving said second frame member relative to said first frame member about said pivot axis; and
a second drive arrangement operable to move said at least one retractor arm relative to said second frame member.
2. The surgical retractor of claim 1 , wherein said second frame member is held in said first position and said second position relative to said first frame member by said first drive arrangement.
3. The surgical retractor of claim 1 , wherein said second drive arrangement includes a pinion operable to engage a rack associated with said at least one retractor arm to selectively move said at least one retractor arm relative to said second frame member.
4. The surgical retractor of claim 1 , wherein said at least one retractor arm includes two retractor arms and said second drive arrangement includes a pinion operable to engage a first rack associated with one of said two retractor arms and operable to engage a second rack associated with the other of said two retractor arms to move said retractor arms relative to said second frame member.
5. The surgical retractor of claim 1 , wherein said at least one retractor arm translates in a direction substantially parallel to said pivot axis.
6. The surgical retractor of claim 1 , further comprising a retractor blade coupled to said at least one retractor arm and movable with said at least one retractor arm relative to said second frame member.
7. The surgical retractor of claim 6 , further comprising a third drive arrangement operable to adjust a position of said retractor blade relative to said at least one retractor arm.
8. The surgical retractor of claim 1 , wherein said at least one second position includes a plurality of positions.
9. The surgical retractor of claim 1 , wherein said second frame member is disposed in the same plane as said first frame member in said first position.
10. A surgical retractor comprising:
a first frame member including a first cross member and a pair of first end portions extending from and substantially perpendicular to said first cross member;
a second frame member rotatably coupled to said first frame member and including a second cross member and a pair of second end portions extending from and substantially perpendicular to said second cross member; and
at least one retractor arm operably supported by said second frame member and movable relative to said second frame member between said pair of second end portions.
11. The surgical retractor of claim 10 , wherein said second frame member is movable relative to said first frame member.
12. The surgical retractor of claim 10 , further comprising a first drive arrangement operable to move said second frame member relative to said first frame member.
13. The surgical retractor of claim 12 , wherein said second frame member is held in an adjusted position relative to said first frame member by said first drive arrangement.
14. The surgical retractor of claim 10 , further comprising a second drive arrangement operable to move said at least one retractor arm relative to said second frame member.
15. The surgical retractor of claim 14 , wherein said second drive arrangement includes a pinion operable to engage a rack associated with said at least one retractor arm to selectively move said at least one retractor arm relative to said second frame member.
16. The surgical retractor of claim 14 , wherein said at least one retractor arm includes two retractor arms and said second drive arrangement includes a pinion operable to engage a first rack associated with one of said two retractor arms and operable to engage a second rack associated with the other of said two retractor arms to move said retractor arms relative to said second frame member.
17. The surgical retractor of claim 10 , wherein said at least one retractor arm translates in a direction substantially parallel to said second cross member.
18. The surgical retractor of claim 10 , further comprising a retractor blade coupled to said at least one retractor arm and movable with said at least one retractor arm relative to said second frame member.
19. The surgical retractor of claim 18 , further comprising a third drive arrangement operable to adjust a position of said retractor blade relative to said at least one retractor arm.
20. The surgical retractor of claim 10 , wherein at least one of said first cross member and said second cross member includes at least one of a convex or shaped surface to accommodate the human anatomy proximate to a surgical field.
21. A surgical retractor comprising:
a first cross member;
a pair of first end portions extending from and substantially perpendicular to said first cross member;
a second cross member;
a pair of second end portions extending from and substantially perpendicular to said second cross member, said pair of second end portions and said second cross member rotatably attached to said first cross member and said pair of first end portions;
an opening defined substantially between said pair of first end portions;
at least one retractor arm movably supported between said pair of first end portions and at least partially disposed within said opening; and
at least one attachment feature extending away from said opening to support the surgical retractor relative to a surgical field.
22. The surgical retractor of claim 21 , further comprising a first drive arrangement operable to move said second pair of end portions and said second cross member relative to said first pair of end portions and said first cross member.
23. The surgical retractor of claim 22 , wherein said second pair of second end portions and said second cross member are held in an adjusted position relative to said first pair of end portions and said first cross member by said first drive arrangement.
24. The surgical retractor of claim 21 , further comprising a second drive arrangement operable to move said at least one retractor arm relative to said first pair of end portions and said first cross member.
25. The surgical retractor of claim 24 , wherein said second drive arrangement includes a pinion operable to engage a rack associated with said at least one retractor arm to selectively move said at least one retractor arm relative to said first pair of end portions and said first cross member.
26. The surgical retractor of claim 24 , wherein said at least one retractor arm includes two retractor arms and said second drive arrangement includes a pinion operable to engage a first rack associated with one of said two retractor arms and operable to engage a second rack associated with the other of said two retractor arms to move said retractor arms relative to said first pair of end portions and said first cross member.
27. The surgical retractor of claim 21 , wherein said at least one retractor arm translates in a direction substantially parallel to said first cross member.
28. The surgical retractor of claim 21 , further comprising a retractor blade coupled to said at least one retractor arm and movable with said at least one retractor arm relative to said first pair of end portions and said first cross member.
29. The surgical retractor of claim 28 , further comprising a third drive arrangement operable to adjust a position of said retractor blade relative to said at least one retractor arm.
30. A surgical retractor comprising:
a first cross member;
a pair of first end portions extending from and substantially perpendicular to said first cross member;
an opening defined substantially between said pair of first end portions;
at least one retractor arm at least partially disposed within said opening;
at least one attachment feature extending away from said opening and substantially perpendicular to said first cross member to support the surgical retractor relative to a surgical field;
a second cross member; and
a pair of second end portions extending from and substantially perpendicular to said second cross member and rotatably attached to said first cross member and said first pair of first end portions.
31. The surgical retractor of claim 30 , wherein said pair of second end portions are rotatably attached to said first pair of first end portions.
32. The surgical retractor of claim 30 , wherein said at least one retractor arm is movably supported between said pair of first end portions.
33. A surgical retractor comprising:
a first frame member;
a second frame member coupled to said first frame member and movable relative to said first frame member about a pivot axis from a first position nested with said first frame member to at least one second position disposed at an angle relative to said first frame member, the second frame member carrying at least one retractor arm; and
a first drive arrangement for driving said second frame member relative to said first frame member about said pivot axis;
wherein said at least one retractor arm translates in a direction substantially parallel to said pivot axis.
34. A surgical retractor comprising:
a first frame member;
a second frame member coupled to said first frame member and movable relative to said first frame member about a pivot axis from a first position nested with said first frame member to at least one second position disposed at an angle relative to said first frame member, the second frame member carrying at least one retractor arm;
a first drive arrangement for driving said second frame member relative to said first frame member about said pivot axis; and
a retractor blade coupled to said at least one retractor arm and movable with said at least one retractor arm relative to said second frame member.
35. A surgical retractor comprising:
a first frame member including a first cross member and a pair of first end portions extending from and substantially perpendicular to said first cross member;
a second frame member coupled to said first frame member and including a second cross member and a pair of second end portions extending from and substantially perpendicular to said second cross member;
at least one retractor arm operably supported by said second frame member and movable relative to said second frame member between said pair of second end portions; and
a first drive member operable to move said second frame member relative to said first frame member.
36. A surgical retractor comprising:
a first frame member including a first cross member and a pair of first end portions extending from and substantially perpendicular to said first cross member; and
a second frame member coupled to said first frame member and including a second cross member and a pair of second end portions extending from and substantially perpendicular to said second cross member;
wherein at least one of said first cross member and said second cross member includes at least one of a convex or shaped surface to accommodate the human anatomy proximate to a surgical field.
37. The surgical retractor of claim 36 , further comprising at least one retractor arm operably supported by said second frame member and movable relative to said second frame member between said pair of second end portions.