A patient support structure includes a pair of independently height-adjustable supports, each connected to a patient support. The supports may be independently raised, lowered, rolled or tilted about a longitudinal axis, laterally shifted and angled upwardly or downwardly. Position sensors are provi
A patient support structure includes a pair of independently height-adjustable supports, each connected to a patient support. The supports may be independently raised, lowered, rolled or tilted about a longitudinal axis, laterally shifted and angled upwardly or downwardly. Position sensors are provided to sense all of the foregoing movements. The sensors communicate data to a computer for coordinated adjustment and maintenance of the inboard ends of the patient supports in an approximated position during such movements. A longitudinal translator provides for compensation in the length of the structure when the supports are angled upwardly or downwardly. A patient trunk translator provides coordinated translational movement of the patient's upper body along the respective patient support in a caudad or cephalad direction as the patient supports are angled upwardly or downwardly for maintaining proper spinal biomechanics and avoiding undue spinal traction or compression.
대표청구항▼
1. An apparatus for supporting a patient during a medical procedure supported on a floor, the apparatus comprising: a. a first patient holding structure;b. a second patient holding structure hingedly attached to the first patient holding structure by a pair of spaced opposed hinges, so as to form an
1. An apparatus for supporting a patient during a medical procedure supported on a floor, the apparatus comprising: a. a first patient holding structure;b. a second patient holding structure hingedly attached to the first patient holding structure by a pair of spaced opposed hinges, so as to form an open frame for orienting the patient;c. a first connector joining the first patient holding structure;d. a second connector joining the second patient holding structure;e. a first upright column support subassembly linked to the first connector and including a first base member and a first upright column support subassembly extending from and joined to the first base member;f. a second upright column support subassembly linked to the second connector and including a second base member and a second upright column support subassembly extending from and joined to the second base member;g. an angulation subassembly linked to each of the first and second connectors, the angulation subassembly comprising: i. a pair of spaced opposed lift arms, each of the lift arms having a proximal portion linked to the respective frame by a ball fitting and a distal portion linked to the respective upright column support subassembly by a universal joint; whereinii. actuation of the lift aims angulates the respective connector; andh. a controller, the controller actuating the degree of angulation of the connectors so as to actuate angulation of the spaced opposed hinges while simultaneously maintaining a vertical distance between the hinges and the floor substantially constant. 2. The apparatus of claim 1, further comprising: a. a trunk translator, the trunk translator being slidable relative to the frame and upon angulation at least one of the first and second connectors. 3. The apparatus of claim 1, further comprising: a. a sensor for determining the amount of angulation of the first and second connectors, the determining of the amount of angulation of the first and second connectors by the sensor being communicated to the controller. 4. The apparatus of claim 3, further comprising: a. an additional sensor for determining the velocity of the angulation of the first and second connectors, the determining of the velocity of the angulation of the first and second connectors by the additional sensor being communicated to the controller. 5. The apparatus of claim 1, further comprising: a. a manually operable command actuator for generating a signal representing a desired amount of extension of the lift arms of the angulation subassembly. 6. The apparatus of claim 5, the controller further comprising: a. a microprocessor effected by a computer program to actuate the amount of extension of the lift arms of the angulation subassembly. 7. The apparatus of claim 6, the controller further comprising: a. a manually operable command actuator for generating a signal representing the desired amount of extension of the lift arms of the angulation subassembly. 8. The apparatus of claim 6, wherein: a. the controller further acquires a fixed position relative to the floor and substantially maintains a distance between the fixed position and a point selectively on the first and second patient holding structures during movement, selectively, of the first and second patient holding structures. 9. The apparatus of claim 6, further comprising: a. a trunk translator, the trunk translator being slidable relative to the frame and upon angulation at least one of the first and second connectors. 10. The apparatus of claim 1, further comprising: a. a mechanism to effect lateral tilt of the frame. 11. The apparatus of claim 1, further comprising: a. a trunk translator adapted to move along a length of at least one of the patient holding structures in cooperation with angulation and tilt of the patient holding structures so as to substantially maintain proper spinal biomechanics of a patient supported by the apparatus. 12. The apparatus of claim 11, further comprising: a. a sternum pad joined with the trunk translator assembly so as to be longitudinally movable along the associated patient holding structure; andb. a pair of hip support pads joined with the other patient holding structure so as to be located adjacent to the hinges. 13. The apparatus of claim 12, wherein: a. the hip support pads are longitudinally adjustable along a length of the respective patient holding structure and lockable. 14. The apparatus of claim 1, further comprising: a. a longitudinal translation subassembly adapted to modify a distance between the upright column support subassemblies in cooperation with angulation and tilt of the patient holding structures. 15. The apparatus of claim 14, wherein: a. the longitudinal translation subassembly is adapted to move one of the upright column support subassemblies longitudinally with respect to the other upright column. 16. The apparatus of claim 14, wherein: a. the longitudinal translation subassembly is adapted to adjust a longitudinal distance between the upright column support subassemblies. 17. The apparatus of claim 16, wherein: a. the longitudinal translation subassembly includes a sensor for determining the distance between the upright column support subassemblies. 18. The apparatus of claim 1, wherein: a. actuation of the lift arms angulates the respective patient holding structure so as to angulate the hinges. 19. The apparatus of claim 14, wherein: a. the controller coordinates actuation of the longitudinal translation subassembly with the degree of angulation of the connectors. 20. An apparatus for supporting a patient above a floor during a medical procedure, comprising: a. first and second height adjustable end column support subassemblies that are positionable in spaced relationship with respect to each other on the floor and include support drivers that operably control the height thereof;b. a patient support having first and second sections with an inward articulation and outer ends opposite the inward articulation;c. first and second opposed angulation subassemblies; each angulation subassembly including an angulation driver and joining a patient support respective outer end to a respective end column support subassembly; each angulation driver operably controlling an angle of the patient support relative to a respective end column support subassembly; andd. a controller linked to each of the support drivers and the angulation drivers and being capable of receiving an indication of a selected angular orientation for the patient support that is positioned beneath an expected operational site on a patient;after receipt of the selected angular orientation, the controller controlling each of the drivers to maintain the selected angular orientation at a fixed height above the floor while the height of the patient support first and second ends changes and the angle between the patient support and the end column support subassemblies changes. 21. The apparatus according to claim 20, wherein: a. the patient support inward articulation includes a pair of spaced apart hinges that are articulated therebetween and being operably controlled by the controller. 22. The apparatus according to claim 20, wherein: a. the patient support includes a trunk translator slidably mounted and operably positioned along the patient support by the controller in accordance with a selected angular orientation at the inward articulation between the first and second patient support first and second sections. 23. An apparatus for supporting a patient during a medical procedure supported on a floor, the apparatus comprising: a. a first patient holding structure;b. a second patient holding structure hingedly attached to the first patient holding structure by a pair of spaced opposed hinges, so as to form an open frame for orienting and supporting the patient;c. a first connector joining the first patient holding structure;d. a second connector joining the second patient holding structure;e. a first end column angulation subassembly linked to the first connector and wherein the first end column angulation subassembly is joined to a first base member;f. a second end column angulation subassembly linked to the second connector and wherein the second end column angulation subassembly is joined to a second base member; andg. a controller, the controller actuating the degree of angulation of the end column angulation subassemblies so as to actuate angulation of the spaced opposed hinges while simultaneously maintaining a vertical distance between the hinges and the floor substantially constant. 24. An apparatus for supporting a patient above a floor during a medical procedure, comprising: a. first and second height adjustable end column support subassemblies that are positionable in spaced relationship with respect to each other on the floor and include support drives that operably control the height thereof;b. a patient support having first and second end sections joined inwardly by a pair of spaced apart radiolucent hinges;c. first and second angulation subassemblies; each angulation subassembly including an angulation drive and joining a patient support respective end section to a respective end column support subassembly; each angulation drive operably controlling the position of the patient support end sections relative to a respective end column support subassembly; andd. a controller linked to each of the support drives and the angulation drives and being capable of receiving information indicating a selected position of the patient support sections at the hinges, the controller controlling each of the drives to maintain the selected position at a fixed height above the floor as the height of the patient support first and second end sections change and as the angles between the patient support end sections and the end column support subassemblies change. 25. An apparatus for supporting and articulating a patient above a floor during a medical procedure, the apparatus comprising: a. a patient support comprising first and second support sections with inner and outer portions, the inner portion of the first patient support section hingedly connected about a hinge axis to the inner portion of the second patient support section;b. the first and second patient support sections outer portions each rigidly secured to a base by a connection assembly including an actively driven angulation subassembly and a roll subassembly operable to roll the patient support, wherein each roll assembly is actively driven;c. wherein the patient support is supported on both outer portions by the base. 26. The apparatus of claim 25, wherein: a. said first patient support section and second patient support section are hingedly connected by a pair of spaced opposed hinges adapted for a patient's belly to depend therebetween. 27. An apparatus for supporting and articulating a patient above a floor during a medical procedure, the apparatus comprising: a. a patient support comprising a first patient support section with inner and outer portions, the inner portion of the first patient support section hingedly connected about a hinge axis to an inner portion of a second patient support section having an outer portion;b. a base having angulation actuators connected to the outer portions of first and second sections, wherein at least one angulation actuator is configured to actively translate longitudinally towards the other angulation actuator, and wherein the base does not move along the floor. 28. An apparatus for supporting a patient above a floor during a medical procedure, the apparatus comprising: a. a base structure including first and second spaced apart end supports; each end support including a first portion supported on the floor and a second portion connected to an actively driven angulation actuator;b. a patient support structure including head end and foot end sections forming an open frame and joined at an inward articulation therebetween, the patient support structure having opposite outer end portions connected to the end supports respectively by the angulation actuator to facilitate the patient support structure articulating at the inward articulation, the patient support structure opposite outer end portions being alignable in a plurality of angular orientations with respect to the base end supports;c. the inward articulation having a pair of spaced apart hinges joining the head end and foot end sections of the patient support structure, and being movable between a plurality of angular orientation associated with the angular orientations of the patient support structure outer end portions relative to the end supports; andd. wherein at least one of the angulation actuators is configured to move towards or away from the opposite angulation actuator when the patient support articulates about the inward articulation, and wherein the portions of the first and second spaced apart end supports supported on the floor do not move along the floor with changes in the angular orientations.
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