The ear : its anatomy, physiology, and diseases : a practical treatise for the use of medical students and practitioners / by Charles H. Burnett.

  • Burnett Charles H. (Charles Henry), 1842-1902.
Date:
1877
Catalogue details

Licence: Public Domain Mark

Credit: The ear : its anatomy, physiology, and diseases : a practical treatise for the use of medical students and practitioners / by Charles H. Burnett. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    CONTEXTS. PAET II. DISEASES AND TREATMENT. SECTION L EXAMINATION OF PATIENTS. PAOE Chapter I. Instrtjments, and Methods of their Employ- ment. Examination of the Ear 105 Examination of the ear by polarized light. Otoscopes, or aural specula, Gruber's, Politzer's, Toynbee's, and Bonnafont's. Sigle's, and Voltoliui's pneumatic specula. Blake's operating otoscope. De Rossi's binocular otoscope. Blake's middle ear-mirror. Posi- tion of patient's body and head. Position of surgeon. Insertion of ear-speculum. Removal of obstacles to a view of the raembrana tympani. Forceps and cotton-holder. Basin and towel. Syringes and syringing. Examination of the Nares and Fauces. Throat and Eustachian Tube . 177 Tobold's apparatus. Forehead-mirror and small laryngeal mir- rors. Rhinoscopy and rhinoscopic examination of the mouth of the Eustachian tube. Eustachian Catheters 180 Forms of catheters. Auscultation tube. Air-bag or hand-bal- loon. Catheterization of the Eustachian tube ; insertion and fix- ation. Other methods of catheterization. Politzer's air-bag and method of inflation of the Eustachian tube and tympanic cavity. Chapter II. Sound, Hearing, and Tests of the latter. Sound and Hearing 193 Definition of sound and hearing. Intensity, pitch, and quality. Partial or overtones. The so-called deaf jDoints of the ear. Sound and color. Tests of Hearing 196 1. Aerial and bone-conduction of sound. Normal hearing. The watch. Record of hearing. The stop-watch. Tuning-forks. Tuning-fork in bone-conduction. Three-limbed auscultation tube. Interference-otoscope. Tuning-fork vibrating on a parietal pro- tuberance in a normal case. 2. Speech. Perception of high musical tones. Acoustic charac- ter of vowels and consonants. Whispering and loud tones. Vari- able hearing. Hearing low tones better than high ones. EfT'ects of position and extent of perforation in the menibrana tympani on the hearing. Testing the hearing in one-sided deafness. Eutolic application of the ear-trumpet.