Method and apparatus for in situ formation of hydrogels

Apparatus for forming in situ, in a tissue cavity, a tissue adherent coating from at least first and second solutions, the apparatus comprising:

• first and second chambers for storing the first and second solutions;
• a third chamber coupled to a source of pressurized gas;
• a first nozzle coupled to a first supply line, the first supply line being in fluid. communication with the first chamber and having an opening in communication with the third chamber;
• and
• a second nozzle coupled to a second supply line, the second supply line being in fluid communication with the second chamber and having an opening in communication with the third chamber,
• wherein pressurized gas entering the third chamber enters the first and second supply lines and propels the first and second solutions out of the first and second nozzles, respectively, to atomize and mixes the first solution with the second solution.