. Manual of operative surgery. Fig. II49. Fig. V. Emil Becks bismuth paste (Journal A. M. A., March 14, 1908)may be used in a manner similar to Neubers starch. The formula of thepaste is as follows: Bismuth subnitrate grams. (Carbonate?) White wax .• grams. Soft paraffin grams. Vaseline grams. Mix while boiling. Do not spill any water into the paste while a syringe is used to insert the paste it should be sterilized by the dry processand the plunger dipped in sterile vaseline instead of water. Soft paraffindiffers from hard paraffin in being absorbable. Occasionally
. Manual of operative surgery. Fig. II49. Fig. V. Emil Becks bismuth paste (Journal A. M. A., March 14, 1908)may be used in a manner similar to Neubers starch. The formula of thepaste is as follows: Bismuth subnitrate grams. (Carbonate?) White wax .• grams. Soft paraffin grams. Vaseline grams. Mix while boiling. Do not spill any water into the paste while a syringe is used to insert the paste it should be sterilized by the dry processand the plunger dipped in sterile vaseline instead of water. Soft paraffindiffers from hard paraffin in being absorbable. Occasionally Beck adds i percent, of formalin to the paste. As a number of cases of nitrite poisoning, some fatal, have been observedafter the use of subnitrate of bismuth, it is recommended that the carbonateof bismuth be used in place of the subnitrate. VI. The cavity left after removal of the sequestrum has walls which pre-vent obliteration by the falling in of the overlying soft parts. With the chiselcut through the bone at the base
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