Abstract: A foldable electric bed frame is provided which comprises a bottom frame and a push rod; a first board and a second board hinged to each other are disposed on the top of the bottom frame, one end of the push rod is rotatably connected to a side edge of the second board through a connection device which comprises a height adjusting piece and a height locking piece; a distance from the height adjusting piece to the second board in a working state is larger than a distance from the height adjusting piece to the second board in a folded state, and the height locking piece locks a position of the height adjusting piece in the working state.

Abstract: A bed is provided. The bed may include a lift system which raises and lowers a support deck of the bed. The lift system may include multiple individually actuatable lift systems. The bed may include an expandable support deck. The bed may include a powered caster braking system.

Abstract: An adjustable patient support apparatus comprises a base, a support frame, and a patient support deck. The patient support deck comprises articulating deck sections, such as a leg section, seat section, and a back section pivotally coupled together. One or more actuators may be configured to move the leg and/or back section between a lowered position and one or more raised positions. The seat section may include one or more articulating seats to assist with ingress and egress from the patient support apparatus. The one or more seats may be articulated manually or electrically via a lever or actuator.

Abstract: An electrical bed is provided. The electrical bed includes a frame, a plurality of bed plates, a first connector and a first driving unit. The frame includes a plurality of bed stands, and the bed plates are arranged on the bed stands. The first connector includes a first rotating member, a first connecting arm, a first transmission bar and a second connecting arm. The first rotating member is pivotally connected with the first connecting arm, and the first connecting arm is sleeved with the first transmission bar and fixed relative to each other, and the second connecting arm is sleeved with the first transmission bar and fixed relative to each other. The first driving unit is arranged to drive the first transmission bar to rotate and adjust one of the bed plates.

Abstract: A hospital bed height limiting system comprising a processing unit operatively connected to each of a user interface, an elevation mechanism of the hospital bed and a height sensor. The processing unit is operable to receive a minimum height via the user interface and receive from the height sensor a current elevation mechanism height. The processing unit is operable to determine the bed height based on the current elevation mechanism height, and in response to the bed height being equal to the minimum height, the processing unit is operable to cause the elevation mechanism to stop a downward movement of the elevation mechanism. A hospital bed comprising the hospital bed height limiting system is also provided.

Abstract: A bed frame is provided that includes a lower frame and an upper frame having a first section, a second section and a third section. The second section is positioned between the first section and the third section. The first section is pivotable relative to the lower frame. The third section is fixed relative to the lower frame. The second section is pivotable relative to the first section and the third section. A lifting assembly includes a first end that is coupled to the lower frame and a second end that is coupled to the second section. The lifting assembly is configured to selectively move the second section toward and away from the lower frame.

Abstract: A lateral rotation apparatus may include a person support surface having a head segment and a torso segment. An adjustable leg may have a head support positioned below the head segment. The adjustable leg may have a torso support positioned below the torso segment. The head support may be adjustable to rotate the head segment. The torso support may be adjustable to rotate the torso segment. A linkage assembly may be coupled to the head support and the torso support. The linkage assembly may have a sliding link that is movable between an open position and a closed position. The sliding link may also be rotatable between a first rotational position and a second rotational position. An actuator is operable to move the sliding link.

Abstract: An enclosure for installation on a bed. The enclosure includes an enclosure-frame, an attachment-bracket, a foldable-board and a canopy. In some embodiments, the enclosure includes a power-supply, vents, fans, speakers and lights. The enclosure is useful for providing a user with a peaceful night sleep by preventing external noises and light from disrupting the user.

Abstract: A back adjustable electrical bed frame comprises a head panel, a back panel, a buttocks panel, a thigh panel, a shank panel, a back pusher motor and a leg pusher motor. The leg pusher motor drives the buttocks panel through a scissor support assembly. The shank panel, parallel to the base, moves back and forth. The back panel has a back panel pivot at a quarter to a half of its lower part. The back panel is fixed to the base by a column having one end fixed to the base and the other end connected to the back panel pivot. The back pusher motor has a front end pivot connected with the back panel and a rear end pivot fixedly connected with the base. The front end pivot, the rear end pivot and the back panel pivot form a triangle to position an angle of the back panel.

Abstract: The invention concerns an adjustable bed (10) having zero wall clearance and zero gravity functionality. The bed comprises a frame (20) and an adjustable mattress support platform (11) having a plurality of articulated support sections (12, 16, 18) pivotally mounted with respect to one another for relative angular adjustment, and actuator means (52) for effecting coordinated movement of the support sections to reconfigure the bed, between a flat lowered configuration and a raised configuration for supporting an occupant in a zero gravity recumbent position. The actuator means comprises a single actuator, preferably a single linear actuator.

Abstract: An articulated patient support apparatus includes upper and lower body support frames hinged together to form a patient support assembly which is hinged to head and foot end supports. One end of the assembly includes a length compensator to enable hinged angulation between the body support frames. Hinge motors are connected between the frames to cause hinged articulation therebetween. One or both of the body support frames has a body slide assembly mounted thereon to enable part of a patient's body to move linearly along the particular body support frame by operation of a slide motor to compensate for hinged articulation of the frames. The hinge motors and slide motor have encoders interfaced to a controller to digitally coordinate sliding movement with hinging articulation.

Abstract: A bed is provided having a base frame, a patient support assembly connected to the base frame, and a tilt frame connected between the base frame and the patient support assembly. The tilt frame is rotatable adjacent the foot end of the bed to place the patient support assembly, including the head section, seat section and foot section thereof, in a generally vertical position to allow a patient to exit the bed in a standing orientation. The bed also has a foot board assembly connected to the foot section, the foot board assembly having a foot board separately moveable about a longitudinal axis of the bed toward the head end and the foot end of the bed.

Abstract: A webbing guide for a vehicle seat includes a base defining a length between a first end and a second end and defining a plurality of pairs of corresponding spaced-apart post holes extending through the base between top and bottom surfaces thereof. The webbing guide further includes a guide body coupled with the base and defining a guide channel extending through the guide body in a direction generally normal to the length of the base and normal to the post holes.

Abstract: The invention discloses a new portable baby sleeping bag, including a sleeping cradle. The front part of the sleeping cradle is provided with a first accommodation cavity. The rear part of the sleeping bag is provided with a second accommodation cavity. The first accommodation cavity is provided with a first frame. The second accommodation cavity is provided with a second frame. The inner bottom surface of the second frame is provided with a receiving groove. An adjustment mechanism for adjusting the height of the backrest is provided between the bottom surface of the backrest and the bottom surface of the receiving groove. The width and the height of the first frame are respectively smaller than the width and height of the second frame. The bottom of the middle front part of the sleeping cradle is provided with a sealing edge.

Abstract: An adjustable power bed layer that has a bed frame that folds from a flattened state to a folded state and from a flattened state to an adjusted state. The bed frame has an inner and outer frame that nest with each other in the flattened state. Head side and foot side actuators drive sliding members back and forth along respective tracks to pivot respective articulating frames between the flattened and adjusted states. The articulating frames are part of one of the inner and outer frames and the tracks are connected to the other of the inner and outer frames. In the folded state, the bed frame is positioned to that one of head side and foot side actuators becomes accessible for maintenance and servicing from above depending upon which way the bed frame is folded about its folding pivot.

Abstract: An occupant support comprises a frame (30), a deck comprising at least one deck section (20, 22, 24, 26) pivotably connected to the frame, and a lift system (60) for changing the angular orientation of the deck section in response to a noncyclical user input.

Abstract: A bed frame 36 disclosed herein includes a calf section 72 with a foot end 74 and an upper end 76 longitudinally spaced from the foot end, an upper body section 54 with a head end 56 and a lower end 58 longitudinally spaced from the head end, and a medial section 66 longitudinally intermediate the calf and upper body sections. The bed frame is capable of assuming a chair state and a chair egress state. The upper body section and medial section define a sacral corner 68, and the calf section and medial section define a popliteal corner 70 spaced from the sacral corner by an intercorner distance. The intercorner distance is smaller in the chair egress state than in the chair state. A mattress 100 disclosed herein includes an upper body segment 102, a calf segment 116, and a medial segment 124 The lower end 106 of the upper body segment cooperates with the upper end 120 of the calf segment to define an intersegment distance.

Abstract: A system comprises a storage device, a piece of medical equipment, a portable computing device, and a hub portal. The piece of medical equipment has at least one electrically powered feature and comprises either a medical examination table or a storage cabinet. The storage device is operable to store data and is remotely located relative to the first piece of medical equipment and relative to the portable computing device. The hub portal is operable to provide communication of one or both of data or commands between the storage device, the piece of medical equipment, and the portable computing device. A method includes enablement or activation of an electrically powered feature of medical equipment upon entry of a portable computing device into a medical examination room. The method also includes disablement or further activation of the electrically powered feature upon exit of the portable computing device from the medical examination room.

Abstract: A slatted bed base having an outer frame as well as a reclining surface which surface comprises at least two parts and is arranged at the outer frame, wherein at least one part is configured as a pivotable part, which is pivotable around a pivot axis relative to the outer frame by an adjustment unit from a flat position into at least one adjusted position, wherein the adjustment unit is pivotable relative to the outer frame about a first pivot point and relative to the pivotable part about a second pivot point. In order to provide a slatted bed base that can be produced in a particularly cost-efficient manner and at the same time has a compact construction mode as well as a low construction height, the first pivot point for arranging the adjustment unit relative to the outer frame is arranged between the pivot axis of the pivotable part and the second pivot point of the adjustment unit.

Abstract: A fail-safe release mechanism for use with patient positioning support apparati having a base structure and a patient support structure, to prevent collapse of the patient support during disconnection of the patient support structure from the base structure.

Abstract: An articulated patient support apparatus includes upper and lower body support frames hinged together to form a patient support assembly which is hinged to head and foot end supports. One end of the assembly includes a length compensator to enable hinged angulation between the body support frames. Hinge motors are connected between the frames to cause hinged articulation therebetween. One or both of the body support frames has a body slide assembly mounted thereon to enable part of a patient's body to move linearly along the particular body support frame by operation of a slide motor to compensate for hinged articulation of the frames. The hinge motors and slide motor have encoders interfaced to a controller to digitally coordinate sliding movement with hinging articulation.

Abstract: A fail-safe release mechanism for use with patient positioning support apparati having a base structure and a patient support structure, to prevent collapse of the patient support during disconnection of the patient support structure from the base structure.

Abstract: A fail-safe release mechanism for use with patient positioning support apparati having a base structure and a patient support structure, to prevent collapse of the patient support during disconnection of the patient support structure from the base structure.

Abstract: A sliding thorax assembly subframe is mounted to a thorax assembly main frame section of an articulating bed and is adapted to descend as the torso section of the bed is raised to an inclined position. The mechanism, which is optionally combined with a slideback mechanism to extend the pelvic area of the bed in a longitudinal direction, reduces compressive and shear forces on the patient during bed articulation.

Abstract: A surgical table including a patient support structure and a base assembly including a first and a second support column supporting respective ends of the patient support structure. The patient support structure including a head end section and a foot end section, the head end section coupled at a pair of outer ends to the first support column, the foot end section coupled at a pair of outer ends to the second support column, the head and foot end sections each comprising a pair of inner ends that are pivotally and slidingly coupled together at an inward articulation, each of the inner ends of the head end section comprise a slot at the inward articulation, each of the inner ends of the foot end section are coupled with the respective slot via a hinge pin that engages the slot, the hinge pin configured to pivot and slide within the slot.

Abstract: An adjustable platform bed frame includes first and second frame segments, wherein each frame segment has an outer frame member and a plurality of cross-members, with the first frame segment being positioned at a height that is slightly lower than that of the second frame segment; an adjustable frame member pivotally connected with and positioned above the first frame segment; and an adjustment mechanism connected at one end with the first frame segment and at its other end with the adjustable frame member, with the adjustment mechanism being operable for temporarily fixing the adjustable frame member in an inclined position relative to the second frame segment. The first and second frame segments may also be connected with one another by a lateral hinge connection that allows the first and second frame segments to fold relative to one another.

Abstract: An actuator with a quick-release mechanism includes a base (10); an electric motor (20) including a worm shaft (212); a transmission mechanism (30) including a worm gear assembly (31), a lead screw shaft (32) and a bearing (33); a quick-release mechanism (40) including first and second cylinders (41, 42) attached to the lead screw shaft (32); an elastic member (50) clamped between the worm gear assembly (31) and the second cylinder (42) and a dialing mechanism (60) including a rotating piece (62) pivotally attached to the base (10); and wherein the worm gear assembly (31) including protruding teeth (316); the second cylinder (42) includes teeth slots (424) engaged with the protruding teeth (316) for engaged or disengaged transmission; and the rotating piece (62) includes a dial arm (621) to push the second cylinder (42) to disengage from the worm gear assembly (31) for torque transmission.

Abstract: This disclosure concerns a wallhugger bed with a plurality of mattress retaining brackets secured to one or more corners of the mattress platform to keep the mattress from shifting on the mattress platform during operation of the actuator.

Abstract: A bed frame 36 disclosed herein includes a calf section 72 with a foot end 74 and an upper end 76 longitudinally spaced from the foot end, an upper body section 54 with a head end 56 and a lower end 58 longitudinally spaced from the head end, and a medial section 66 longitudinally intermediate the calf and upper body sections. The bed frame is capable of assuming a chair state and a chair egress state. The upper body section and medial section define a sacral corner 68, and the calf section and medial section define a popliteal corner 70 spaced from the sacral corner by an intercorner distance. The intercorner distance is smaller in the chair egress state than in the chair state. A mattress 100 disclosed herein includes an upper body segment 102, a calf segment 116, and a medial segment 124 The lower end 106 of the upper body segment cooperates with the upper end 120 of the calf segment to define an intersegment distance.

Abstract: A system for interoperability of a person support apparatus and various patient mobility devices are disclosed. The system allows for communication between the person support apparatus and various patient mobility devices.

Abstract: A patient support includes a frame, a patient support surface supported at the frame, a display incorporated into the frame, and a user interface incorporated into the frame. The patient support frame includes a controller incorporated into the frame, which has a plurality of prompts stored therein. The user interface is in communication with the controller and may be used to select a selected prompt from the plurality of prompts stored in the controller. When a prompt is selected, the controller generates a display image or text associated with the selected prompt at the display in response to a passage of time or an input to provide a visual prompt to the user.

Abstract: An articulating bed incorporating a frame having side frame members and a rigid cross frame member extending between the side frame members employs a flexible support member secured to the rigid cross frame member. Support arms engage an upper body portion of the flexible support member with lubricious support and are rotatable through a range of motion from an aligned position with the side frame members to a fully elevated position angularly supporting the upper body portion in a raised position. A leg portion adjustment member engages the flexible support member at a knee position intermediate a thigh portion and a leg portion of the flexible support member. The leg portion adjustment member is rotatable through a range of motion from an aligned position with the side frame members to a fully elevated position placing the knee position at an elevated location with angular positioning of the thigh portion and leg portion.

Abstract: An electric bed includes a base and an upper body adjustment unit is pivotably connected to a top portion of the base. A head support frame is pivotably connected to the upper body adjustment unit. A front adjustment unit has a power source located at the underside of the top portion of the base. An output end of the power source is connected to a push link and a support member. The push link is connected to the underside of the head support frame to tilt the head support frame. The support member is pivotably connected to the upper body support frame which has a support face. An angle is defined between the support face and the underside of the upper body adjustment unit. The head support frame is adjusted by using the front adjustment unit and the upper body support frame is then lifted to adjust the inclination.

Abstract: A support device for persons, such as a bed, treatment or operating table, chair, comprises: a frame; a first and a second movable member, which movable members can be adjusted independently of one another and which are designed to support the person or one or more parts of the person in various positions, and a hydraulic system for adjusting the movable members, the hydraulic system comprising: a reservoir for hydraulic liquid; a first and a second hydraulic actuator associated with the first and second movable member, respectively, which hydraulic actuators can each be moved in two directions; a hydraulic pump; a pump activating member which is operatively connected to the pump in order for an operator to activate the pump; a valve assembly which is provided in the hydraulic circuit between the pump and the respective actuators, and a valve assembly operating member which can be mechanically operated by an operator and is mechanically connected to the valve assembly for selecting and providing a connection

Abstract: A bed frame with a support structure has a rigid structural frame for carrying an articulating structure for an adjustable bed. The support structure extends substantially to the extents of the articulating structure in an unarticulated position and has a padded bolster. The bolster incorporates a mounting support attached to the structural frame and a resilient foam bumper received on the mounting support with a fabric covering surrounding the bumper and fastened to the mounting support. The articulating structure includes rigid planar supports having edges with a surrounding resilient foam layer having a fabric covering secured to the planar support. The bumper and foam layer are resilient to deform upon contact with an intruding appendage inserted between them. For an exemplary embodiment, an electrical outlet is mounted in a housing which penetrates the support frame, mounting support and bumper.

Abstract: A medical bed for positioning the patient in the lithotomy position having a mattress pad including a flexible footrest section. The footrest section cascades over and down an end of the medical bed as the mattress pad is translated, or slid, toward the end thereof. The mattress pad is positioned atop the frame, and includes a backrest section, a medial section, and a footrest section. The mattress pad is translatable, or slidable, with respect to the frame. The footrest section includes a plurality of partitioned segments that are pivotable with respect to each other such that the footrest section cascades down and over the foot-end of the frame when the mattress pad is translated toward the foot-end of the bed.

Abstract: A sleep system comprises at least one mattress including a first sleep area for a first occupant, the first sleep area including a first section for a portion of a body of the first occupant, and a second sleep area adjacent to the first sleep area for a second occupant, the second sleep area including a second section for a portion of a body of the second occupant, an articulation system for articulating the first section and the second section, a first user controller configured to communicate with the articulation system in order to control articulation of the first section, and a second user controller configured to communicate with the articulation system in order to control articulation of the second section, wherein the first user controller is further configured to communicate with the articulation system in order to move the second section into a predetermined position.

Abstract: There is disclosed a platform of an electric-movable bed for preventing bedsores and capable of changing a shaft including a plate unit. The platform includes a plurality of main plates rotatably provided to support the human body, a plurality of sub plates rotatably and hingedly coupled to the main plates, respectively, and a locking part provided between each main plate and each sub plate to enable or lock the rotation of each main plate or sub plate, the plate unit being configured to selectively rotate a corresponding portion to a position of the joint according to a user's body type; a first driving unit configured to tilt an upper part of the human body lying on the plate unit; and a second driving unit configured to tilt a lower part of the human body lying on the plate unit.

Abstract: A patient support apparatus system includes sensors adapted to sense a gesture of a person, or forces exerted by the person on the patient support apparatus, and to control the movement of a component of the patient support apparatus based on the gesture or forces. The movement of the patient support apparatus matches the direction of the person's gesture or applied forces. The speed of the gesture and magnitude of the applied force also influence the movement of the patient support apparatus component. The controlled movement may be the upward and downward motion of a patient support deck on the patient support apparatus, or it may be the pivoting of a section of the patient support deck, or it may be other movement. Control of the patient support apparatus is carried out based on the intent of the user, as evidenced by the user's gesture or applied forces.

Abstract: A system for use with a bed having a frame and a supporting surface includes a base sheet having a top surface and a bottom surface adapted to be placed above the supporting surface, and a glide sheet positioned above the top surface of the base sheet. The base sheet has fasteners located around the peripheral edges, which are configured to releasably fasten the base sheet to the bed. The base sheet and the glide sheet each have a tether strap, and the tether straps are configured to be connected together to secure the glide sheet in place. One or both of the tether straps may include at least a portion that is elastic. The system may also include a wedge, where the wedge has a hook-and-loop or other releasable connecting material that is configured for connection to a complementary connecting material on the base sheet and/or the glide sheet.

Abstract: A modular, multi-articulated patient support system includes independently adjustable columns connected by an adjustable base and supporting a patient support structure. Each column includes rotation, angulation and separation adjustment structure. The patient support may be raised, lowered and rotated about a longitudinal axis in either horizontal or tilted orientation. The patient support includes a body support rotatably coupled with right and left leg supports disengageable at the outboard ends, that can be tilted, rotated and locked in place. An intermediate brace engages the base when the outboard ends of the leg supports are disengaged. The patient support structure may include two pairs of patient supports, each attached at the outboard end of a column and having a free inboard end. A coordinated drive system raises, lowers, tilts and rotates the patient supports, which may be positioned in overlapping relation.

Abstract: A novel article of adjustable bed is disclosed. The adjustable bed comprises at least two body-support portions and a base support for supporting the body support portions. The body support portions are mounted with respect to the base to allow angular adjustment of their relative positions to alter the configuration of the bed. Actuators are provided for angularly moving one or more of the body-support portions to effect angular adjustment of the bed. A load-bearing member projects from one of the moveable body-support portions and is supported by a bearing means arranged to run on a curved support such that each moveable body-support portion is pivotally mounted with respect to the base about a respective pivot axis defined by the center of curvature of the respective curved support. The pivot axis of the movable body-support portion is positioned above the base in a plane offset from the top edge thereof.

Abstract: A support mechanism in which one end of a knee bottom section (2) is supported on a bed frame (1) in such a manner that the knee bottom section can be pivotally raised and lowered. Also, one end of a leg bottom section (6) is pivotally rotatably connected with the other end of the knee bottom section, a support stay (7) is pivotally rotatably connected with the underside of the other end of the leg bottom section, and a support device (11) of a support portion (9) provided at the opposite tip of the support stay is provided on the bed frame. The support device includes a guide portion (12) and an engaging portion (13) for movably supporting the support portion of the support stay. The guide portion can support the support portion moved in relation with the pivotal rotation of the knee bottom section within the entire pivotal rotation range of the knee bottom section.

Abstract: The present disclosure provides an adjustable bed handheld remote control that may include a handheld housing, a touch sensor on a front face of the handheld housing, a transmitter and the like. The touch sensor may be presented in a slider form and may be adapted to facilitate a user in adjusting a frame position of an adjustable bed. The transmitter may be electrically coupled to a processor and may receive input from the touch sensor, for communication control signals to the adjustable bed in accordance with the input received from the touch sensor.

Abstract: A patient handling device includes a deck for supporting a patient support surface, a controller, and two light sources, which are operable to output light of different colors. The controller is in communication with the light sources and operable to monitor the plurality of conditions and to generate a first unified indication by illuminating one of the lights when all the conditions remain in their desired state, and to generate a second indication by illuminating the other light when any of the conditions change from their desired state.

Abstract: An articulating bed incorporating a frame having side frame members and a rigid cross frame member extending between the side frame members employs a flexible support member secured to the rigid cross frame member. Support arms engage an upper body portion of the flexible support member with lubricious support and are rotatable through a range of motion from an aligned position with the side frame members to a fully elevated position angularly supporting the upper body portion in a raised position. A leg portion adjustment member engages the flexible support member at a knee position intermediate a thigh portion and a leg portion of the flexible support member. The leg portion adjustment member is rotatable through a range of motion from an aligned position with the side frame members to a fully elevated position placing the knee position at an elevated location with angular positioning of the thigh portion and leg portion.

Abstract: A patient support apparatus includes a frame and seat, thigh, and head sections coupled to the frame. A linkage is coupled to the head, seat, and thigh sections. The linkage has a first mode of operation in which the seat and thigh sections remain substantially parallel to each other as the head section is raised and lowered and the linkage has a second mode of operation in which the thigh section tilts relative to the seat section as the head section is raised and lowered. A handle is movable relative to the head section between a first position in which the linkage is in the first mode of operation and a second position in which the linkage is in the second mode of operation.

Abstract: This disclosure concerns an adjustable bed with a deck-on-deck appearance. A concealing assembly is attached to the center frame of an articulating bed, wherein the concealing assembly is situated below the mattress platform and conceals the base frame as the center frame moves along the base frame when the bed articulates. In other embodiments, such as for non-wall hugger beds where the center frame is stationary, a concealing assembly may still be used but will also be stationary.

Abstract: An adjustable bed is provided that has an articulating mattress a number of articulating sections. The bed has an adjustable base with a mechanism to move the articulating mattress into a plurality of positions. The articulating mattress has a number of rigid deck boards. Each articulating section has a corresponding deck board. Adjacent deck boards are hinged together so they can move or rotate with respect to one another. A suspension material, such as pocketed coil springs and/or foam, is disposed above each of said deck boards. A surrounding covering material that encases the deck boards and the suspension material to provide a mattress that can be moved to a number of different positions without any further retaining mechanisms being needed.

Abstract: A device for use with a bed having a frame and a supporting surface includes a flexible sheet with a tether strap connected to the sheet and extending from the sheet. The flexible sheet has opposed top and bottom surfaces, with the top surface having a high friction material with a higher coefficient of friction as compared to the bottom surface, which includes a low friction material. The tether strap is configured for connection to the frame of the bed to secure the sheet in place. A system incorporating the flexible sheet may also include an absorbent pad configured to be placed on the top surface of the sheet, where the high-friction top surface resists sliding of the absorbent pad, as well as one or more wedges having a base wall that the wedge rests on and a ramp surface configured to confront the sheet when the wedge is placed under the sheet. The base wall and the ramp surface may also contain high friction and low friction materials, respectively.