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A movable sanitary station for use with a hospital bed includes a cabinet with a front side, a back side, a right side, a left side, a bottom and a top. The back side of the cabinet has a concave shape forming a semi-cylindrical cavity having an axis extending laterally along the back side of the ca

A movable sanitary station for use with a hospital bed includes a cabinet with a front side, a back side, a right side, a left side, a bottom and a top. The back side of the cabinet has a concave shape forming a semi-cylindrical cavity having an axis extending laterally along the back side of the cabinet, permitting a mattress of the bed to protrude forward into the semi-cylindrical cavity. The top extends over the mattress of the bed to cover a gap between a foot of the mattress and the back side of the cabinet. The movable sanitary station also includes a set of wheels for supporting and moving the cabinet and a toilet seat integrated in a central portion of the top of the cabinet and surrounding a first aperture formed through the top of the cabinet.

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1. A movable sanitary station for use with a hospital bed, comprising: a cabinet having a front side, a back side, a right side, a left side, a bottom and a top, wherein the back side of the cabinet has a concave shape forming a semi-cylindrical cavity having an axis extending laterally along the ba

1. A movable sanitary station for use with a hospital bed, comprising: a cabinet having a front side, a back side, a right side, a left side, a bottom and a top, wherein the back side of the cabinet has a concave shape forming a semi-cylindrical cavity having an axis extending laterally along the back side of the cabinet and at a height such that a maximum extension of the semi-cylindrical cavity toward the front side of the cabinet is located at a height beneath a portion of a mattress that lies atop the hospital bed so that an outer convex top surface of the mattress of the bed that is rolled around a roller having an axis of rotation disposed beneath the portion of the mattress that lies atop the hospital bed protrudes forward into the semi-cylindrical cavity when the hospital bed is secured to the movable sanitary station, while permitting the top to extend over the mattress to cover a gap between the outer convex top surface of the rolled mattress and the back side of the cabinet so that the top of the cabinet and a top of the mattress are aligned to permit a patient lying supine on the bed to be transported from the top of the mattress to the top of the cabinet without lifting or dropping the patient in elevation;a set of wheels for supporting and moving the cabinet; anda toilet seat integrated in a central portion of the top of the cabinet and surrounding a first aperture formed through the top of the cabinet. 2. The movable sanitary station of claim 1, wherein at least a portion of an exterior surface of the top is sloped inward toward the toilet seat from each of the right side, the left side, the front side and the back side downward toward the toilet seat. 3. The movable sanitary station of claim 2, further comprising a waste drawer that slides into a second aperture formed in one of the left side, the right side or the front side of the cabinet to capture waste that enters the first aperture through the top of the cabinet, and wherein the cabinet further comprises a sealed compartment inside the cabinet that is open only at the first aperture and the second aperture. 4. The movable sanitary station of claim 3, wherein the second aperture is formed on the front side of the cabinet, and wherein the waste drawer slides through the front side of the cabinet to extend beneath the first aperture. 5. The movable sanitary station of claim 1, further comprising: a water reservoir disposed within the cabinet;a pump within the cabinet and coupled to the water reservoir for pumping water from the water reservoir; anda hand-operated water sprayer disposed outside of the cabinet and coupled to the pump by a hose that extends into the cabinet. 6. The movable sanitary station of claim 5, further comprising a battery connector disposed on one of the front side, the back side, the right side or the left side of the cabinet for receiving a removable and rechargeable battery pack, wherein the battery connector is coupled to the pump for supplying operating current to the pump. 7. The movable sanitary station of claim 1, further comprising a locking mechanism provided on the back side of the cabinet for connecting the movable sanitary station to the hospital bed. 8. The movable sanitary station of claim 1, further comprising a pair of leg chutes rotatably coupled to the cabinet near the junction of the top and the front side of the cabinet for supporting legs of the patient once the patient has been moved atop the toilet seat, wherein the pair of leg chutes are rotatable between a first position in which the pair of leg chutes extend downward along the front of the cabinet, and a second position in which the pair of leg chutes are locked to extend in line with the top of the cabinet. 9. The movable sanitary station of claim 8, wherein the pair of leg chutes further include a pair of corresponding knee supports coupled to the pair of leg chutes and that extend away from and above the pair of leg chutes and the top of cabinet when the pair of leg chutes are locked in the second position for supporting knees of the patient above the top of the cabinet when the patient has been moved to a cleaning position with a torso of the patient atop the bed and the legs of the patient with bent knees supported above the top of the cabinet by the pair of corresponding knee supports. 10. The movable sanitary station of claim 9, wherein the pair of corresponding knee supports are rotatably coupled to a corresponding one of the pair of leg chutes near a midpoint of the pair of leg chutes, and wherein the pair of corresponding knee supports each terminate in a corresponding one of a pair of rollers at ends of the pair of corresponding knee supports away from the pair of leg chutes, whereby the one of the pair of rollers of the pair of corresponding knee supports can be rolled along a corresponding one of the legs of the patient and locked into position behind the bent knees of the patient once the one of the pair of rollers has reached a back of a knee of the corresponding leg. 11. A movable sanitary station for use with a hospital bed, comprising: a cabinet having a front side, a back side, a right side, a left side, a bottom and a top, wherein the back side of the cabinet has a concave shape forming a semi-cylindrical cavity having an axis extending laterally along the back side of the cabinet at a height such that a maximum extension of the semi-cylindrical cavity toward the front of the cabinet is located at a height beneath a portion of a mattress that lies atop the hospital bed so that an outer convex top surface of the mattress of the bed that is rolled around a roller having an axis of rotation disposed beneath the portion of the mattress that lies atop the hospital bed protrudes forward into the semi-cylindrical cavity when the hospital bed is secured to the movable sanitary station, while permitting the top to extend over the mattress to cover a gap between the outer convex top surface of the rolled mattress and the back side of the cabinet, so that the top of the cabinet and a top of the mattress are aligned to permit a patient lying supine on the bed to be transported from the top of the mattress to the top of the cabinet without lifting or dropping the patient in elevation;a locking mechanism provided on the back side of the cabinet for connecting the movable sanitary station to the hospital bed;a set of wheels for supporting and moving the cabinet;a toilet seat integrated in a central portion of the top of the cabinet and surrounding a first aperture formed through the top of the cabinet, wherein at least a portion of an exterior surface of the top of the cabinet is sloped inward toward the toilet seat from each of the right side, the left side, the front side and the back side downward toward the toilet seat;a pair of leg chutes rotatably coupled to the cabinet near the junction of the top and the front side of the cabinet for supporting legs of the patient once the patient has been moved atop the toilet seat, wherein the pair of leg chutes further include a pair of corresponding knee supports coupled to the pair of leg chutes and that extend away from and above the pair of leg chutes and the top of the cabinet for supporting knees of the patient above the top of the cabinet when the patient has been moved to a cleaning position with a torso of the patient atop the bed and the legs of the patient with bent knees supported above the top of the cabinet by the pair of corresponding knee supports, wherein the pair of corresponding knee supports are rotatably coupled to a corresponding one of the pair of leg chutes near a midpoint of the pair of leg chutes, and wherein the pair of corresponding knee supports each terminate in a corresponding one of a pair of rollers at ends of the pair of corresponding knee supports away from the pair of leg chutes, whereby the one of the pair of rollers of the pair of corresponding knee supports can be rolled along a corresponding one of the legs of the patient and locked into position behind the bent knees of the patient once the one of the pair of rollers has reached a back of a knee of the corresponding leg;a waste drawer that slides into a second aperture formed in one of the left side, the right side or the front side of the cabinet to capture waste that enters the first aperture through the top of the cabinet, and wherein the cabinet further comprises a sealed compartment inside the cabinet that is open only at the first aperture and the second aperture, wherein the second aperture is formed on the front side of the cabinet, and wherein the waste drawer slides through the front side of the cabinet to extend beneath the first aperture;a water reservoir disposed within the cabinet;a pump within the cabinet and coupled to the water reservoir for pumping water from the water reservoir;a battery connector disposed on one of the front side, the back side, the right side or the left side of the cabinet for receiving a removable and rechargeable battery pack, wherein the battery connector is coupled to the pump for supplying operating current to the pump; anda hand-operated water sprayer disposed outside of the cabinet and coupled to the pump by a hose that extends into the cabinet. 12. A method of providing sanitation to a non-ambulatory patient, the method comprising: moving a sanitary station including a cabinet having a front side, a back side, a right side, a left side, a bottom and a top, by rolling the cabinet over a set of wheels that support and move the cabinet;pushing the sanitary station to a foot of a hospital bed so that a convex top surface of a mattress of the hospital bed that has been rolled around a roller protrudes into a concave shape forming a semi-cylindrical cavity having an axis extending laterally along the back side of the cabinet and at a height such that a maximum extension of the semi-cylindrical cavity toward the front side of the cabinet is located at a height beneath a portion of the mattress that lies atop the bed so that an outer convex top surface of the mattress of the bed that is rolled around a roller having an axis of rotation disposed beneath the portion of the mattress that lies atop the hospital bed protrudes forward into the semi-cylindrical cavity when the hospital bed is secured to the movable sanitary station;covering a gap between the outer convex top surface of the rolled mattress and the back side of the cabinet so that the top of the cabinet and a top of the mattress are aligned to permit a patient lying supine on the bed to be transported from the top of the mattress to the top of the cabinet without lifting or dropping the patient in elevation;providing a toilet seat integrated in a central portion of the top of the cabinet and surrounding a first aperture formed through the top of the cabinet; andmoving the patient to a seated position atop the toilet seat by transporting the patient along the top of the mattress and onto the top of the cabinet without lifting or dropping the patient in elevation. 13. The method of claim 12, further comprising draining the top of the cabinet with a slope provided on an exterior surface of the top, wherein at least a portion of an exterior surface of the top is sloped inward toward the toilet seat from each of the right side, the left side, the front side and the back side downward toward the toilet seat. 14. The method of claim 13, further comprising: removing waste by extracting a waste drawer that slides into a second aperture formed in one of the left side, the right side or the front side of the cabinet to capture waste that enters the first aperture through the top of the cabinet; andtrapping any waste that escapes the waste drawer by providing a sealed compartment inside the cabinet that is open only at the first aperture and the second aperture. 15. The method of claim 14, wherein the second aperture is formed on the front side of the cabinet, so that the removing waste extracts a waste drawer that slides through the front side of the cabinet to extend beneath the first aperture. 16. The method of claim 12, further comprising: storing cleaning water in a water reservoir disposed within the cabinet;pumping water from the water reservoir with a pump within the cabinet and coupled to the water reservoir; andspraying water with a hand-operated water sprayer disposed outside of the cabinet and coupled to the pump by a hose that extends into the cabinet. 17. The method of claim 16, further comprising powering the pump with a removable battery pack inserted in a battery connector disposed on one of the front side, the back side, the right side or the left side of the cabinet. 18. The method of claim 12, further comprising locking the sanitary station to the hospital bed with a locking mechanism provided on the back side of the cabinet. 19. The method of claim 12, further comprising supporting legs of the patient with a pair of leg chutes rotatably coupled to the cabinet near the junction of the top and the front side of the cabinet, once the patient has been moved to the seated position atop the toilet seat, wherein the pair of leg chutes are rotatable between a first position in which the pair of leg chutes extend downward along the front of the cabinet, and a second position in which the pair of leg chutes are locked to extend in line with the top of the cabinet. 20. The movable sanitary station of claim 19, further comprising: moving the patient to a cleaning position with a torso of the patient atop the bed and the legs of the patient above the top of the cabinet; andsupporting bent knees of the patient above and away from the pair of leg chutes with a pair of knee supports coupled to a corresponding one of the pair of leg chutes that extend away from and above the corresponding one of the pair of leg chutes and the top of the cabinet to support the bent knees above the top of the cabinet from behind the bent knees. 21. A system for providing sanitation to a non-ambulatory patient, the method comprising: a hospital bed including a flexible mattress, a frame having a pallet for supporting the flexible mattress and having legs extending to the floor and a roller affixed to a first end of the frame and having an axis of rotation disposed beneath a portion of the flexible mattress that lies on the pallet, whereby the foot of the flexible mattress is guided underneath the pallet and bends around the roller to a position underneath the pallet to move the patient; anda movable sanitary station including a cabinet having a front side, a back side, a right side, a left side, a bottom, and a top having a toilet seat integrated in a central portion thereof and surrounding a first aperture formed through the top of the cabinet wherein the back side of the cabinet has a concave shape forming a semi-cylindrical cavity having a central axis extending laterally along the back of the cabinet and at a height such that a maximum extension of the semi-cylindrical cavity toward the front side of the cabinet is located at a height beneath the portion of the flexible mattress that lies atop the hospital bed so that an outer convex top surface of the flexible mattress that is rolled around the roller protrudes forward into the semi-cylindrical cavity when the movable sanitary station is secured to the hospital bed, while permitting the top to extend over the flexible mattress to cover a gap between a top of the flexible mattress and the back side of the cabinet so that the top of the cabinet and a top of the flexible mattress are aligned to permit a patient lying supine on the bed to be transported from the top of the flexible mattress to the top of the cabinet without lifting or dropping the patient in elevation, wherein the movable sanitary station further includes a set of wheels for supporting and moving the cabinet. 22. The system of claim 21, wherein the movable sanitary station further comprises a pair of leg chutes rotatably coupled to the cabinet near the junction of the top and the front side of the cabinet for supporting legs of the patient once the patient has been moved atop the toilet seat, wherein the pair of leg chutes are rotatable between a first position in which the pair of leg chutes extend downward along the front of the cabinet, and a second position in which the pair of leg chutes are locked to extend in line with the top of the cabinet. 23. The system of claim 22, wherein the pair of leg chutes further include a pair of corresponding knee supports coupled to the pair of leg chutes and that extend away from and above the pair of leg chutes and the top of cabinet when the pair of leg chutes are locked in the second position for supporting knees of the patient above the top of the cabinet when the patient has been moved to a cleaning position with a torso of the patient atop the bed and the legs of the patient with bent knees supported above the top of the cabinet by the pair of corresponding knee supports.