Symposium on Reproduction, September 6-7, 1973, School of Veterinary Medicine, University of California, Davis : sponsored by American Veterinary Society for the Study of Breeding Soundness, American College of Theriogenologists, School of Veterinary Medicine, University of California, Davis.

  • Symposium on Reproduction (1973 : Davis, Calif.)
Date:
[1973?]
Catalogue details

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: Symposium on Reproduction, September 6-7, 1973, School of Veterinary Medicine, University of California, Davis : sponsored by American Veterinary Society for the Study of Breeding Soundness, American College of Theriogenologists, School of Veterinary Medicine, University of California, Davis. Source: Wellcome Collection.

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    86 origin and communicates with the hollow interior for estrual fluid drainage. The diameter of the anchor and the length of the tube with the silastic end are determined for each individual animal by the measuring devices shown here. The tube serves two functions. First, it aids balancing the device inside the tract. Second, it prevents an overeager male from pushing the device forward. Each measuring instrument serves a dual purpose: the silastic bulb measures diameter of the vaginal sphincter, and is made in three sizes: 19, 22, 25mm. The polyethylene tube is marked off in 25mm increments and is used to measure the length of the tract from the fornix to the vulvar lips. We recommend that the vagina be examined visually before devi cing, and this is the vaginoscope we use attached to a battery handle. In our investigational work, we have been collecting vaginal cultures before and after devi cing. We do not recommend sedation. The perigenital area of the patient is cleansed with aqueous zephiran and wiped dry. Bacteriological sampling is carried out. Digital examination is used to determine the character of the sphincter and the presence of any strictures, neoplasms or other abnormalities, in the vestibule. Then we visually inspect the entire tract, and if we find no cervical or vaginal disease we are ready for measuring. Length is measured first, then diameter. We find that there is a characteristic popping sensation when the correct size measuring instrument is extracted from the vagina. A shield of appropriate diameter is selected, and the tube is cut to size. We must subtract 37mm from the total length
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