Patent Number: 
Section: claims

1. A radioabsorbent shield comprising:a flexible sheet having at least one bottom edge and including at least one layer of radioabsorbent material;a plurality of rigid vertical stays attached to the sheet causing the sheet to conform to the shape of the stays;wherein said stays are shaped such that, when said sheet is hung from a point above the stays, the sheet has a curved shape causing the at least one bottom edge of the sheet to be horizontally offset from the point above the stays. 2. The radioabsorbent shield of claim 1 wherein said flexible sheet comprises a an outer layer and an inner layer and said at least one layer of radioabsorbent material is sandwiched between said outer layer and said inner layer. 3. The radioabsorbent shield of claim 1 wherein said flexible sheet further comprises pockets into which said stays are removably contained. 4. The radioabsorbent shield of claim 1 wherein said stays are elongate. 5. The radioabsorbent shield of claim 1 wherein said stays are spaced apart from each other. 6. The radioabsorbent shield of claim 1 wherein said stays are parallel to each other. 7. A method of protecting health care workers from radiation exposure below an x-ray table having a moveable x-ray tube located under the table comprising:providing a flexible radioabsorbent sheet having at least one bottom edge;shaping the sheet in a curve vertically such that when the sheet is freely hung from a location on the sheet above the at least one bottom edge, the at least one bottom edge is horizontally offset from the location;hanging the radioabsorbent sheet from a point near the patient, such that said location on the sheet is near said point and said bottom edge is located under the table due to the offset created by the curve. 8. The method of claim 7 further comprising allowing the sheet freedom to swing outwardly when moved by the x-ray tube. 9. The method of claim 7 wherein providing the flexible radioabsorbent sheet having at least one bottom edge comprises providing a flexible radioabsorbent sheet having two bottom edges spaced apart such that when said sheet is draped over an x-ray table, each of the two bottom edges are located near a floor on which the table is located on opposite sides of the table. 10. The method of claim 7 wherein shaping the sheet vertically comprises connecting at least one rigid stay to the sheet. 11. The method of claim 10 wherein connecting the at least one rigid stay to the sheet comprises placing a plurality of shaped elongate stays in vertical pockets formed in the sheet. 12. The method of claim 10 wherein hanging the radioabsorbent sheet from the point near the patient comprises draping the radioabsorbent sheet over a surface on which the patient lies. 13. A radioabsorbent sheet comprising:a first section, a second section, and a third section;wherein the first section has a width sized to span an x-ray table;wherein the second section is adjacent the first section such that when said sheet is draped over an x-ray table, said second section hangs off a side of the x-ray table;wherein the third section is adjacent the first section and opposite the first section such that when said sheet is draped over an x-ray table, said third section hangs off a side of the x-ray table opposite the first section;wherein said second and third sections include:radioabsorbent material;shaped stays causing the second and third sections to curve under the x-ray table toward each other when said sheet is draped over the x-ray table. 14. The radioabsorbent sheet of claim 13 further comprising:a fourth section adjacent the first section and between said second and third sections such that when said sheet is draped over an x-ray table, the fourth sections hangs off a head of the x-ray table;wherein said fourth section includes:radioabsorbent material;stays giving the fourth section vertical rigidity. 15. The radioabsorbent sheet of claim 14 wherein the fourth section stays are straight. 16. The radioabsorbent sheet of claim 13 wherein said second and third section stays are curved. 17. The radioabsorbent sheet of claim 13 wherein said sheet comprises flexible vinyl wrapped around at least one layer of radioabsorbent material to form a laminate.