Here are some good resources about venomoid procedures:

http://www.kingsnake.com/snakegetters/demo/vet/venomoid-faq.html

http://www.kingsnake.com/snakegetters/demo/vet/venomoids1.html

http://www.kingsnake.com/snakegetters/demo/vet/venomoids2.html

http://www.globalherp.com/id44.htm