Powder Insufflator (Sheehy-House). For use with size 4 powder capsules. The Sheehy-House Powder Insufflator is intended for use in the physician's treatment room as well as the patient's home. It provides a simple, effective method for dry powder treatment in the management of infected cavities, chronic otitis media - and some cases of chronic otitis externa. The Powder Insufflator was developed in conjunction with James L. Sheehy, M.D. with John W. House, M.D. of the House Ear Clinic in Los Angeles. The Insufflator features a DeVilbiss bulb to ensure a solid seal.