초록 ▼

A surgical instrument support device and method for positioning a surgical instrument relative to a surface of a surgical support platform are disclosed. The support device includes a base member, an elongated support member, an extender bar, and a securing mechanism. The base member is fixably moun

A surgical instrument support device and method for positioning a surgical instrument relative to a surface of a surgical support platform are disclosed. The support device includes a base member, an elongated support member, an extender bar, and a securing mechanism. The base member is fixably mountable to the surgical support platform. The elongated support member has one end mounted to the base member for pivotal movement of the elongated support member relative to the base member within a pivot plane that is nonparallel to the surface of the surgical support platform. The extender bar is adapted for mounting a surgical instrument with respect thereto and is disposed at the other end of the elongated support member. The extender bar projects from the elongated support member such that the pivotal movement of the elongated support member raises or lowers the extender bar and the surgical instrument mounted with respect thereto with respect to the surface of the surgical support platform. The securing mechanism selectively locks and unlocks the elongated support member relative to the base member to respectively prevent and allow the pivotal movement.

대표청구항 ▼

1. A surgical instrument support device for positioning a surgical instrument relative to a surface of a surgical support platform, the support device comprising:a base member fixably mountable to a surgical support platform;an elongated support member having one end mounted to the base member for p

1. A surgical instrument support device for positioning a surgical instrument relative to a surface of a surgical support platform, the support device comprising:a base member fixably mountable to a surgical support platform;an elongated support member having one end mounted to the base member for pivotal movement of the elongated support member relative to the base member within a pivot plane that is nonparallel to the surface of the surgical support platform;an extender bar adapted for mounting a surgical instrument with respect thereto, the extender bar being disposed at the other end of the elongated support member, the extender bar projecting from the elongated support member at an angle that is nonparallel to the pivot plane of the elongated support member such that the pivotal movement of the elongated support member raises or lowers the extender bar and the surgical instrument mounted with respect thereto with respect to the surface of the surgical support platforms; anda securing mechanism for selectively locking and unlocking the elongated support member relative to the base member to respectively prevent and allow said pivotal movement;wherein the securing mechanism includes first and second engaging members disposed at the pivot ends of the respective elongated support member and base member, the second engaging member facing and being engageable by the first engaging member, and wherein the securing mechanism is operative to force into relative engagement or to allow relative disengagement of the first and second engaging members to respectively lock and unlock the elongated support member relative to the base member;wherein the first and second engaging members are spring biased into relative disengagement. 2. The surgical instrument support device of claim 1, wherein the pivot plane is perpendicular to the surface of the surgical support platform. 3. The surgical instrument support device of claim 1, wherein the first engaging member includes a first toothed surface and the second engaging member includes a second toothed surface facing and engageable by the first toothed surface, and wherein the securing mechanism is operative to force into relative engagement or to allow relative disengagement of the first and second toothed surfaces to respectively lock and unlock the support member relative to the base member. 4. The surgical instrument support device of claim 3, wherein angles at which the elongated support member may be locked relative to the base member are selectable based on the number of teeth. 5. The surgical instrument support device of claim 4, wherein the first and second toothed surfaces have a circumferential pattern and the teeth are equally circumferentially spaced apart by a predetermined number of degrees on a common radius of the first and second engaging members. 6. The surgical instrument support device of claim 1, wherein the surgical instrument support device includes a surgical support platform. 7. The surgical instrument support device of claim 1, wherein the extender bar projects from the elongated support member at a nonparallel angle. 8. The surgical instrument support device of claim 1, wherein the extender bar is mounted to the elongated support member for swivelling movement of the extender bar relative to the elongated support member. 9. A surgical instrument support device for positioning a surgical instrument relative to a surface of a surgical support platform, the support device comprising:a base member fixably mountable to a surgical support platform;an elongated support member having one end mounted to the base member for pivotal movement of the elongated support member relative to the base member within a pivot plane that is nonparallel to the surface of the surgical support platform;an extender bar adapted for mounting a surgical instrument with respect thereto, the extender bar being disposed at the other end of the elongated support member, the extender bar projecting from the elongated support member at an angle that is nonparallel to the pivot plane of the elongated support member such that the pivotal movement of the elongated support member raises or lowers the extender bar and the surgical instrument mounted with respect thereto with respect to the surface of the surgical support platform; anda securing mechanism for selectively locking and unlocking the elongated support member relative to the base member to respectively prevent and allow said pivotal movement;wherein the securing mechanism includes first and second engaging members disposed at the pivot ends of the respective elongated support member and base member, the second engaging member facing and being engageable by the first engaging member, and wherein the securing mechanism is operative to force into relative engagement or to allow relative disengagement of the first and second engaging members to respectively lock and unlock the elongated support member relative to the base member;wherein the first and second engaging members include respective first and second cavities, and wherein the securing mechanism includes a spring captured at its opposite ends within the cavities for biasing the first and second engaging members into relative disengagement. 10. A surgical instrument support device for positioning a surgical instrument relative to a surface of a surgical support platform, the support device comprising:a base member fixably mountable to a surgical support platform;an elongated support member having one end mounted to the base member for pivotal movement of the elongated support member relative to the base member within a pivot plane that is nonparallel to the surface of the surgical support platform;an extender bar adapted for mounting a surgical instrument with respect thereto, the extender bar being disposed at the other end of the elongated support member, the extender bar protecting from the elongated support member at an angle that is nonparallel to the pivot plane of the elongated support member such that the pivotal movement of the elongated support member raises or lowers the extender bar and the surgical instrument mounted with respect thereto with respect to the surface of the surgical support platform; anda securing mechanism for selectively locking and unlocking the elongated support member relative to the base member to respectively prevent and allow said pivotal movement;wherein the elongated support member includes a first cam and the base member includes a second cam, and wherein the elongated support member is pivotable over a predetermined angular range limited by the first and second cams contacting one another. 11. The surgical instrument support device of claim 10, wherein the base member includes a coupling adaptor and wherein the surgical instrument support device further includes a vertically extending riser portion and the coupling adaptor connects together the base member and the vertically extending riser portion. 12. The surgical instrument support device of claim 11, wherein the coupling adaptor includes a splined coupling adaptor or a square coupling adaptor. 13. A surgical instrument support device for positioning a surgical instrument extender bar relative to a surface of a surgical support platform, the support device comprising:an elongated support member fixably mountable with respect to the surface of the surgical support platform and having a pivot plane;an extender bar mounted to the elongated support member for swivelling movement of the extender bar relative to the elongated support member above the surface of the surgical support platform, the extender bar mounted at an angle that is nonparallel to the pivot plane; anda securing mechanism for selectively locking and unlocking the extender bar relative to the elongated support member to respectively prevent and allow said swivelable movement;wherein the securing mechanism includes first and second engaging members disposed a t the swivel end of the respective extender bar and elongated support member, the second engaging member facing and engageable by the first engaging member, and wherein the securing mechanism is operative to force into relative engagement or to allow relative disengagement of the first and second engaging members to respectively lock and unlock the extender bar relative to the elongated support member;wherein the first and second engaging members are spring biased into relative disengagement. 14. The surgical instrument support device of claim 13, wherein the first engaging member includes a first toothed surface and the second engaging member includes a second toothed surface facing and engageable by the first toothed surface, and wherein the securing mechanism is operative to force into relative engagement or to allow relative disengagement of the first and second toothed surfaces to respectively lock and unlock the extender bar relative to the elongated support member. 15. The surgical instrument support device of claim 14, wherein angles at which the extender bar may be locked relative to the elongated support member are selectable based on the number of teeth. 16. The surgical instrument support device of claim 15, wherein the first and second toothed surfaces have a circumferential pattern and the teeth are equally circumferentially spaced apart by a predetermined number of degrees on a common radius of the first and second engaging members. 17. The surgical instrument support device of claim 13, wherein the surgical instrument support device includes a surgical support platform. 18. The surgical instrument support device of claim 13, wherein the extender bar projects from the elongated support member at a nonparallel angle. 19. The surgical instrument support device of claim 13, wherein the elongated support member is fixably mountable with respect to the surface of the surgical support platform for pivotal movement of the elongated support member within a pivot plane that is nonparallel to the surface of the surgical support platform. 20. A surgical instrument support device for positioning a surgical instrument extender bar relative to a surface of a surgical support platform, the support device comprising:an elongated support member fixably mountable with respect to the surface of the surgical support platform and having a pivot plane;an extender bar mounted to the elongated support member for swivelling movement of the extender bar relative to the elongated support member above the surface of the surgical support platform, the extender bar mounted at an angle that is nonparallel to the pivot plane; anda securing mechanism for selectively locking and unlocking the extender bar relative to the elongated support member to respectively prevent and allow said swivelable movement;wherein the securing mechanism includes first and second engaging members disposed at the swivel end of the respective extender bar and elongated support member, the second engaging member facing and engageable by the first engaging member, and wherein the securing mechanism is operative to force into relative engagement or to allow relative disengagement of the first and second engaging members to respectively lock and unlock the extender bar relative to the elongated support member;wherein the first and second engaging members include respective first and second cavities, and wherein the securing mechanism includes a spring captured at its opposite ends within the cavities for biasing the first and second engaging members into relative disengagement. 21. An extension device for a surgical instrument support device having a support bar, the extension device comprising:a clamp portion;at least one receptacle disposed in the clamp portion for receiving the support bar from the surgical instrument support device, the clamp portion being positioned to retain the support bar in the receptacle;an extender bar portion mounted to the clamp portion for p ivotal movement of the extender bar portion relative to the damp portion; anda securing mechanism for selectively locking and unlocking the extender bar portion relative to the clamp portion to respectively prevent and allow said pivotal movement;wherein the at least one receptacle includes first and second receptacles having respective first and second axes defining the direction in which the support bar is received by the respective first and second receptacles, and wherein the first and second axes are disposed at nonparallel angles relative to one another. 22. The extension device of claim 21, wherein the first and second axes are disposed perpendicular to one another. 23. The extension device of claim 21, wherein the extender bar portion pivots relative to the clamp portion about a pivot axis and wherein the first axis is disposed substantially perpendicular to the pivot axis. 24. The extension device of claim 21, wherein the extender bar portion pivots relative to the clamp portion about a pivot axis and wherein the second axis is disposed substantially parallel to the pivot axis. 25. An extension device for a surgical instrument support device having a support bar, the extension device comprising:a clamp portion;at least one receptacle disposed in the clamp portion for receiving the support bar from the surgical instrument support device, the clamp portion being positioned to retain the support bar in the receptacle;an extender bar portion mounted to the clamp portion for pivotal movement of the extender bar portion relative to the clamp portion; anda securing mechanism for selectively locking and unlocking the extender bar portion relative to the clamp portion to respectively prevent and allow said pivotal movement;wherein the securing mechanism includes first and second engaging members, the second engaging member facing and engageable by the first engaging member, and wherein the securing mechanism is operative to force into relative engagement or to allow relative disengagement of the first and second engaging members to respectively lock and unlock the clamp portion relative to the extender bar portion;wherein the first and second engaging members are spring biased into relative disengagement. 26. The extension device of claim 25, wherein the securing mechanism includes first and second engaging members, the second engaging member facing and engageable by the first engaging member, and wherein the securing mechanism is operative to force into relative engagement or to allow relative disengagement of the first and second engaging members to respectively lock and unlock the clamp portion relative to the extender bar portion. 27. The extension device of claim 25, wherein the first engaging member includes a first toothed surface and the second engaging member includes a second toothed surface facing and engageable by the first toothed surface, and wherein the securing mechanism is operative to force into relative engagement or to allow relative disengagement of the first and second toothed surfaces to respectively lock and unlock the extender bar portion relative to the clamp portion. 28. The extension device of claim 27, wherein angles at which the extender bar portion may be locked relative to the clamp portion are selectable based on the number of teeth. 29. The extension device of claim 28, wherein the first and second toothed surfaces have a circumferential pattern and the teeth are equally circumferentially spaced apart by a predetermined number of degrees on a common radius of the first and second engaging members. 30. The extension device of claim 25, in combination with a surgical support platform. 31. The extension device of claim 25, wherein the extender bar portion projects from the clamp portion at a nonparallel angle. 32. An extension device for a surgical instrument support device having a support bar, the extension device comprising:a clamp portion;at least one receptacle disposed in the clamp portion for receiving the support bar from the surgical instrument support device, the clamp portion being positioned to retain the support bar in the receptacle;an extender bar portion mounted to the clamp portion for pivotal movement of the extender bar portion relative to the clamp portion; anda securing mechanism for selectively locking and unlocking the extender bar portion relative to the clamp portion to respectively prevent and allow said pivotal movement;wherein the securing mechanism includes first and second engaging members, the second engaging member facing and engageable by the first engaging member, and wherein the securing mechanism is operative to force into relative engagement or to allow relative disengagement of the first and second engaging members to respectively lock and unlock the camp portion relative to the extender bar portion;wherein the first and second engaging members include respective first and second cavities, and wherein the securing mechanism includes a spring captured at its opposite ends within the cavities for biasing the first and second engaging members into relative disengagement.