| 摘要 |
Drainage device for dental or medical or veterinary purposes. The preferred device, for dental purposes, comprises an elongated tube and a flange near one end (the drainage end) thereof. The flange has suture holes to facilitate suturing to the patient's gum. Representative dimensions for dental purposes are: overall length, 0.25-2 inch; outside diameter of tube, 0.04-0.2 inch; inside diameter of tube, 0.02-0.1 inch; tube wall thickness, 0.01-0.05 inch; diameter of flange, not more than 0.5 inch. The device is made of a biocompatible resilient elastomer. To use, the dentist cuts a hole through the patient's gum to the abscess site in the usual manner, inserts the insertion end of the tube (the end remote from the flange) so that it is at the abscess site and sutures the flange to the patient's gum.
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