As detailed in U.S. Pat. No. 4,672,969, it was discovered that optical energy having a wavelength of about 1.2 to 1.4 micrometers is relatively unattenuated in both water and blood and, so, is particularly advantageous for use as an optical energy source for the formation of a biological glue in order to effect repair of gastrointestinal tract tissue, close skin wounds (whether originating accid