CPC A61K 49/0442 (2013.01) [A61K 49/0419 (2013.01); A61K 51/1244 (2013.01); A61L 27/50 (2013.01); A61L 27/52 (2013.01); A61L 27/58 (2013.01); A61L 31/145 (2013.01); A61L 31/148 (2013.01); A61L 31/18 (2013.01); A61K 2123/00 (2013.01)] | 20 Claims |
1. A method for radiation therapy comprising introducing a hydrogel spacer at a site between a first tissue location and a second tissue location to increase a distance between the first tissue location and the second tissue location, the site being chosen to decrease radiation at the first tissue when the second tissue receives a dose of therapeutic radiation, wherein the hydrogel spacer comprises a polysaccharide and a radioopaque agent, wherein the hydrogel spacer has a Hounsfield number of at least about 90.
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