A patient support system includes independently adjustable end columns supporting a centrally hinged, jointed or breaking patient support structure. At least one column includes a powered rotation assembly. The patient support includes at least two sections. A coordinated drive system provides for b
A patient support system includes independently adjustable end columns supporting a centrally hinged, jointed or breaking patient support structure. At least one column includes a powered rotation assembly. The patient support includes at least two sections. A coordinated drive system provides for both upwardly and downwardly breaking or jointed orientations of the two sections in various inclined and tilted positions. Cable, cantilevered and pull-rod systems are included. Primary and secondary elevators and a failsafe locking system are provided.
대표청구항▼
1. A patient support apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a) an elongate patient support having first and second ends and a head portion and a foot portion that are joined by a pair of spaced opposed hinge structures, articulatable wi
1. A patient support apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a) an elongate patient support having first and second ends and a head portion and a foot portion that are joined by a pair of spaced opposed hinge structures, articulatable with respect to each other and lockable in a planar configuration and a plurality of angular configurations relative to each other;b) a first end support connected to the patient support first end, and being vertically adjustable so as to provide for selective positioning of the first end relative to the floor supporting the apparatus;c) a torso trolley movably positionable upon the patient support head portion, wherein the torso trolley is adapted to support the torso of a patient on the apparatus;d) a trolley positioner operably determining an articulation between the head and foot portions and cooperatively positioning the trolley on the head portion in a predetermined location relative to the head portion in response to the determined articulation; ande) a secondary vertical elevator located between the first end and the first support to provide vertical adjustment of the first end relative to the floor in cooperation with the first support. 2. The apparatus according to claim 1, including: a) a second end support connected to the second end of the patient support and being vertically adjustable to provide for selective positioning of the second end above the floor. 3. The apparatus according to claim 2 wherein: a) the first and second ends are articulatable with respect to the first and second end supports. 4. The apparatus according to claim 3 wherein: a) the first end is connected to the first support by a first translation mechanism that operably allows articulation of the head and foot portions with respect to each other and to the end supports without horizontal movement of the end supports relative to each other. 5. The apparatus according claim 1, wherein the pair of hinge structures between the head and foot portions is provided by a universal axis gears joining the head and foot portions. 6. An apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a) a selectively height adjustable support subassembly with respect to the floor including first and second spaced opposed end supports; each end support including an independently and cooperatively operating primary elevator, the second end support including an independently and cooperatively operating secondary elevator;b) an elongate patient support subassembly extending between the first and second end supports and held by the first and second end supports in spaced relation with respect to the floor, the elongate patient support subassembly having head and foot end portions pivotably connected by a joint structure so as to be alignable in a first plane;c) an orientation subassembly including interconnected rotation and angulation subassemblies cooperatively rotating and articulating at least a portion of the elongate patient support subassembly so as to allow the elongate patient support subassembly to move through a plurality of angular orientations thereof in cooperation with one or more of the primary and secondary elevators, while the joint structure is spaced a substantially constant height from the floor when being moved through the plurality of angular orientations and without the first and second end supports moving towards or away from each other along the floor; andd) a torso trolley associated with the head end portion and cooperating with the orientation subassembly that is movable to a preselected position relative to each of the angular orientations of the elongate patient support subassembly. 7. The apparatus of claim 6, wherein the joint structure comprises a hinge structure. 8. The apparatus of claim 6, wherein the orientation subassembly comprises a cam structure. 9. The apparatus of claim 8, wherein the cam structure is attached to an inboard end of each of the head and foot end portions. 10. The apparatus of claim 6, wherein the orientation subassembly comprises a rack and pinion structure. 11. The apparatus of claim 6, wherein at least one of the first or second end supports further comprises at least a portion of the rotation subassembly. 12. The apparatus of claim 6, wherein the elongate patient support subassembly is a frame and further comprising a second patient support structure, the second patient support structure being an imaging table. 13. The apparatus of claim 6, wherein the plurality of angular orientations includes a maximum upward breaking position of about +35°. 14. The apparatus of claim 6, wherein the plurality of angular orientations includes a maximum downward breaking position of about −20°. 15. The apparatus of claim 6, wherein the plurality of angular orientations includes a total range of motion of about 55°. 16. The apparatus of claim 15, wherein the total range of motion includes a maximum upward range of motion of about +35°. 17. The apparatus of claim 15, wherein the total range of motion includes a maximum downward range of motion of about −20°. 18. The apparatus of claim 6, wherein a portion of an outboard end of the foot end portion is lowered below a portion of a base structure, when the primary and secondary elevators of the second end support are maximally lowered. 19. The apparatus of claim 18, wherein the patient support assembly is pivoted about +35°. 20. The apparatus of claim 18, wherein the patient support assembly is pivoted about −20°. 21. A continuously non-segmentedly adjustable apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a) a lift subassembly includingi) a first upright pier with an individually operable and continuously adjustable first primary elevator;ii) a second upright pier in opposed and spaced relation with the first upright pier, and having an individually operable and continuously adjustable second primary elevator and an individually operable and continuously adjustable secondary elevator; andiii) a base joining the first and second upright piers;b) an elongate patient support subassembly including head and foot support structures joined by a pivot and alignable in a first plane, and a torso trolley slidingly engaging the head support structure in cooperation with movement of the pivot, wherein the pivot is adapted for upward and downward breaking; andc) an orientation subassembly including rotation and angulation subassemblies cooperating with the first and second piers and the elongate patient support subassembly, so as to rotate, articulate and lift at least a portion of the patient support subassembly so as to allow the patient support structure to move through a non-segmented plurality of angular orientations thereof without the end supports moving relative to each other while the height between the pivot and the floor is substantially constant during angulation only; andd) a powered actuator to move the pivot. 22. The apparatus according to claim 21, wherein the angulation subassembly includes the pivot. 23. The apparatus according to claim 21, wherein the pivot includes a total range of motion of from about +55° to about −20° relative to the first plane. 24. The apparatus according to claim 21, wherein the pivot further comprises a hinge structure. 25. The apparatus of claim 21, wherein the pivot comprises a cam structure. 26. The apparatus of claim 25, wherein the cam structure is attached to an inboard end of each of the head and foot support structures. 27. The apparatus of claim 21, wherein the pivot comprises a rack and pinion structure. 28. The apparatus of claim 21, wherein a portion of an outboard end of the foot support structure is lowered below a portion of the base, when the primary and secondary elevators of the second upright pier are maximally lowered. 29. The apparatus of claim 28, wherein the pivot can be manipulated about +35° relative to the first plane. 30. The apparatus of claim 28, wherein the pivot can be manipulated about −20° relative to the first plane. 31. An adjustable apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a) an elongate patient support subassembly includingi) a first end portion with inboard and outboard ends and a torso trolley slidable between the inboard and outboard ends of the first end portion;ii) a second end portion with inboard and outboard ends;iii) an upwardly and downwardly breaking hinge pivotably joining the inboard ends of the first and second end portions;iv) the first and second end portions being alignable in a first plane, andv) the torso trolley cooperating with the hinge so as to non-segmentedly slide between the associated inboard and outboard ends;b) a support subassembly holding the patient support subassembly in spaced relation with respect to the floor, and includingi) a continuously adjustable selectively telescoping upright first pier joined with the outboard end of the first end portion and having cooperating non-segmentedly adjustable primary first elevator;ii) a continuously adjustable selectively telescoping upright second pier joined with the outboard end of the second end portion and having cooperating non-segmentedly adjustable primary and secondary second elevators; andiii) a non-telescoping base structure holding the first and second piers in opposed spaced relation to one another;c) a continuously adjustable orientation subassembly including interconnected rotation and angulation subassemblies cooperatively rotating and articulating at least a portion of the patient support subassembly so as to allow the patient support structure to move through a number of non-segmented angular orientation thereof in cooperation with one or more of the primary and secondary first and second elevators while the height of the hinge above the floor is substantially constant during angulation only; andd) a powered actuator to move the hinge upward and downward. 32. The apparatus according to claim 31, wherein the hinge includes first and second positions, the first position including a bend of about +35° relative to the first plane and the second position including a bend of about −20° relative to the first plane. 33. The apparatus according to claim 32, the torso trolley being operable to slide towards the inboard end of the first end portion in cooperation with the hinge moving in a direction away from the first plane and towards the first position. 34. The apparatus according to claim 33, the torso trolley being operable to slide towards the outboard end of the first end portion in cooperation with the hinge moving in a direction away from the first position and towards the first plane. 35. The apparatus according to claim 32, the torso trolley being operable to slide towards the inboard end of the first end portion in cooperation with the hinge moving in a direction away from the first plane and towards the second position. 36. The apparatus according to claim 35, the torso trolley being operable to slide towards the outboard end of the first end portion in cooperation with the hinge moving in a direction away from the second position and towards the first plane. 37. A continuously adjustable patient support and articulation apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a) first and second spaced lift subassemblies, the first lift subassembly including an individually operable and continuously adjustable primary lift subassembly, the second lift subassembly including an individually operable, continuously adjustable and operably joined primary and secondary lift subassemblies;b) a patient support subassembly rotatably joined with the first and second spaced lift subassemblies, the patient support subassembly including head-end and foot-end supports, each of the head-end and foot-end supports having an inboard end and an outboard end, the head-end and foot-end supports being pivotably joined at their inboard ends and alignable in a first plane, and the head-end support including a torso trolley slidably engaged thereby;c) an individually operable and continuously adjustable articulation subassembly operably joined with the head-end support, the foot-end support, and the torso trolley, and including articulating structure for articulating the head-end and foot-end supports with respect to the first plane while simultaneously translating the torso trolley along the head-end support in a direction associated with an angle of articulation, while the articulating structure is spaced a substantially constant height from the floor supporting the apparatus during angulation only; andd) a powered actuator to move the articulating structure. 38. The apparatus according to claim 37, wherein the articulation structure includes a hinge with first and second positions, the first position including a first angle of articulation of about +35° relative to the first plane and the second position including a second angle of articulation of about −20° relative to the first plane. 39. The apparatus according to claim 38, the torso trolley being operable to slide towards the inboard end of the head-end support in cooperation with the articulation structure moving in a direction away from the first plane and towards the first position. 40. The apparatus according to claim 39, the torso the head-end support in cooperation with the articulation structure moving in a direction away from the first position and towards the first plane. 41. The apparatus according to claim 39, the torso trolley being operable to slide towards the inboard end of the head-end support in cooperation with the articulation structure moving in a direction away from the first plane and towards the second position. 42. The apparatus according to claim 37, the torso trolley being operable to slide towards the outboard end of the head-end support in cooperation with the articulation structure moving in a direction away from the second position and towards the first plane. 43. The apparatus according to claim 38, wherein the articulating structure includes a pivot. 44. The apparatus according to claim 43, wherein the pivot includes a total range of motion of from about +55° to about −20° relative to the first plane. 45. The apparatus according to claim 43, wherein the pivot further comprises a hinge structure. 46. The apparatus of claim 45, wherein the pivot comprises a cam structure. 47. The apparatus of claim 46, wherein the cam structure is attached to the inboard end of each of the head-end and foot-end supports. 48. The apparatus of claim 43, wherein the pivot comprises a rack and pinion structure. 49. The apparatus of claim 43, wherein the first and second lift subassemblies are operably joined by a base and a portion of the outboard end of the foot-end support is lowerable below a portion of the base, when the primary and secondary lift subassemblies of the second lift subassembly are maximally lowered. 50. The apparatus of claim 48, wherein the pivot includes and angle of about +35° relative to the first plane. 51. The apparatus of claim 49, wherein the pivot includes and angle of about −20° relative to the first plane. 52. The apparatus of claim 38, wherein the articulation structure includes a) a hinge joining the inboard ends of the head-end and foot-end supports, the hinge including a first axis of rotation;b) a first roller coaxial with the first axis of rotation;c) a second roller spaced from the first roller and having a second axis of rotation substantially parallel to the first axis of rotation;d) an elongated wedge slidably engaging the first and second rollers and movable in a direction perpendicular to the first and second axes of rotation, so as to vertically bias the first and second rollers away from one another; ande) a motorized gear assembly located at an outboard end of the foot-end support and operably joined with a first end of the elongated wedge so as to longitudinally move the elongated wedge and thereby cause a change in an angle of articulation of the hinge. 53. The apparatus of claim 52, wherein the angle of articulation is between about +35° and about −20° relative to the first plane. 54. The apparatus of claim 52, the articulation structure further including a linking rod operably joining a second end of the elongated wedge with the torso trolley, such that the torso trolley slides on the head-end support in a direction and a distance associated with longitudinal movement of the elongated wedge. 55. The apparatus of claim 52, wherein the elongated wedge includes first and second opposed ends, the first end having a first height and the second end having a second height substantially greater than the first height, wherein when the first and second rollers engage the elongated wedge adjacent to the first end, the hinge articulates in a downwardly breaking position, and when the first and second rollers engage the elongated wedge adjacent to the second end, the hinge articulates in an upwardly breaking position. 56. The apparatus of claim 52, further including a failsafe structure adapted to operably engage the articulation structure in the event of mechanical failure of the articulation structure. 57. The apparatus of claim 56, the failsafe structure including a ratcheted break. 58. The apparatus of claim 57, the ratcheted break including a) a strip of ratchet teeth adjacent to a top side of the elongated wedge; andb) a pawl having ratchet teeth sized and shaped to engage the strip of ratchet teeth and a scooped nose sized and shaped to engage the first roller. 59. The apparatus of claim 58, the ratcheted break further including a downwardly biasing structure for biasing the pawl towards the strip of ratchet teeth, and an upwardly biasing structure of biasing the pawl away from the strip of ratchet teeth. 60. An adjustable apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a) an elongate patient support subassembly includingi) a first end portion with inboard and outboard ends and a torso trolley slidable between the inboard and outboard ends of the first end portion;ii) a second end portion with inboard and outboard ends;iii) an upwardly and downwardly breaking hinge structure pivotably joining the inboard ends of the first and second end portions, the hinge structure being spaced a height above the floor supporting the apparatus;iv) the first and second end portions being alignable in a first plane, andv) the torso trolley cooperating with the hinge structure so as to non-segmentedly slide between the associated inboard and outboard ends;b) a support subassembly holding the patient support subassembly in spaced relation with respect to the floor, and includingi) a continuously adjustable upright first pier joined with the outboard end of the first end portion and having cooperating non-segmentedly adjustable primary first elevator;ii) a continuously adjustable upright second pier joined with the outboard end of the second end portion and having cooperating non-segmentedly adjustable primary and secondary second elevators; andiii) a non-telescoping base structure holding the first and second piers in opposed spaced relation to one another;c) a continuously adjustable orientation subassembly including interconnected rotation and angulation subassemblies cooperatively rotating and articulating at least a portion of the patient support subassembly so as to allow the patient support structure to move through a number of non-segmented angular orientation thereof in cooperation with one or more of the primary and secondary first and second elevators while the height of the hinge structure above the floor is substantially constant during angulation only; andd) a powered actuator to move the continuously adjustable orientation subassembly and the support subassembly. 61. The apparatus according to claim 4, wherein: a) the second end is connected to the second support by a second translation mechanism that operably allows articulation of the head and foot portions with respect to each other and to the end supports without horizontal movement of the end supports relative to each other. 62. An apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a) a selectively height adjustable support subassembly with respect to the floor including first and second spaced opposed end supports; each end support including an independently and cooperatively operating primary elevator, the second end support including an independently and cooperatively operating secondary elevator;b) an elongate patient support subassembly extending between the first and second end supports and held by the first and second end supports in spaced relation with respect to the floor, the elongate patient support subassembly having head and foot end portions pivotably connected by a joint structure so as to be alignable in a first plane;c) the joint structure orientation subassembly including an angulation subassembly configured to articulate at least a portion of the elongate patient support subassembly so as to allow the elongate patient support subassembly to move through a plurality of angular orientations thereof in cooperation with one or more of the primary and secondary elevators, while the joint structure is spaced a substantially constant height from the floor when being moved through the plurality of angular orientations and without the first and second end supports moving towards or away from each other along the floor; andd) a torso trolley associated with the head end portion and cooperating with the orientation subassembly that is movable to a preselected position relative to each of the angular orientations of the patient support subassembly. 63. The apparatus of claim 62, wherein the joint structure comprises a hinge structure. 64. The apparatus of claim 62, wherein the joint structure orientation subassembly comprises a cam structure. 65. The apparatus of claim 64, wherein the cam structure is attached to an inboard end of each of the head and foot end portions. 66. The apparatus of claim 62, wherein the orientation subassembly comprises a rack and pinion structure. 67. The apparatus of claim 62, wherein at least one of the first or second end supports further comprises at least a portion of the rotation subassembly. 68. The apparatus of claim 62, wherein the elongate patient support subassembly is a frame and further comprising a second patient support structure, the second patient support structure being an imaging table. 69. A patient support apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a patient support structure supported on at least one end and positioned above the floor by an end support structure, the patient support structure comprising a head end section coupled with a foot end section by a pair of spaced apart hinges; anda torso trolley movably positionable on the head end section of the patient support structure and configured to support a patient torso thereon, the torso trolley operably coupled with the pair of spaced apart hinges via a linking rod,wherein articulation of the head end section relative to the foot end section about the spaced apart hinges is configured to cause the linking rod and the torso trolley to move in a same direction. 70. The patient support apparatus of claim 69, wherein, as the linking rod is translated away from the spaced apart hinges, the torso trolley translates away from the spaced apart hinges. 71. The patient support apparatus of claim 69, wherein, as the linking rod is translated towards the spaced apart hinges, the torso trolley translates towards the spaced apart hinges. 72. The patient support apparatus of claim 69, further comprising an elongated wedge slidably engaging first and second rollers positioned at or near the spaced apart hinges, the linking rod coupled to the elongate wedge. 73. The patient support apparatus of claim 69, wherein the patient support structure is supported on opposite ends by a first and a second end support structure. 74. A patient support apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a patient support structure comprising a head end section coupled with a foot end section by a hinge, the patient support structure supported on a first end and positioned above the floor by a first end support structure; anda torso trolley positionable on the head end section and moveable relative to the hinge, the torso trolley configured to support a patient torso thereon and linked with the hinges by a linking rod such that the linking rod and the torso trolley are configured to move away from the hinge when the patient support structure articulates about the hinge in a first direction. 75. The patient support apparatus of claim 74, wherein the first direction corresponds with positioning a prone patient in extension. 76. The patient support apparatus of claim 74, wherein the linking rod and the torso trolley are configured to move towards from the hinge when the patient support structure articulates about the hinge in a second direction. 77. The patient support apparatus of claim 76, wherein the first second corresponds with positioning a prone patient in flexion. 78. The patient support apparatus of claim 74, further comprising an elongated wedge slidably engaging first and second rollers positioned at or near the hinge, the linking rod coupled to the elongate wedge. 79. The patient support apparatus of claim 78, wherein the patient support structure is supported on a second end by a second end support structure that is opposed to the first end support structure. 80. A patient support apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a patient support structure comprising a head end section coupled with a foot end section by a pair of spaced apart hinges, the patient support structure positionable above the floor and supported on outer first and second ends by respective first and second end support structures, the first end support structure comprising a first lift assembly configured to raise and lower the first end of the patient support structure, the second end support structure comprising a second lift assembly configured to raise and lower the second end of the patient support structure, wherein the head end section and the foot end section are configured to articulate relative to each other about the pair of spaced apart hinges while simultaneously substantially maintaining a substantially constant height of the pair of spaced apart hinges relative to the floor. 81. The patient support apparatus of claim 80, further comprising an articulation assembly cooperatively linked with the first and second lift assemblies so as to articulate the head end section and foot end section relative to each other about the pair of spaced apart hinges while simultaneously substantially maintaining the height of the pair of spaced apart hinges relative to the floor. 82. The patient support apparatus of claim 81, wherein the articulation assembly comprises a powered actuator configured to actively articulate the patient support structure about the pair of spaced apart hinges. 83. The patient support apparatus of claim 80, wherein articulation of the head end section and the foot end section relative to each other includes upward breaking of the patient support structure. 84. The patient support apparatus of claim 80, wherein articulation of the head end section and the foot end section relative to each other includes downward breaking of the patient support structure. 85. A patient support apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a patient support structure supported on at least one end and positioned above the floor by an end support structure, the patient support structure comprising a head end section coupled with a foot end section by a pair of spaced apart hinges; anda torso trolley movably positionable on the head end section of the patient support structure and configured to support a patient torso thereon, the torso trolley operably coupled to a linking rod,wherein when the head end section and the foot end section are articulated about the spaced apart hinges, the linking rod and the torso trolley move in a same direction.
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