The methods of anal dilatation include balloon dilatation, instrumental dilatation and index finger dilatation.
1. Balloon dilatation method: the empty balloon is introduced along the rectal cavity of the anal canal in the direction of the rectal cavity, so that the balloon is located in the middle of the position to be dilated, and then to the balloon injection of water or gas in order to dilate, to achieve the role of anal dilatation.
2. Instrumental expansion method: the use of disposable anal dilator expansion method, according to the degree of anal stenosis, choose a different size of the anal dilator, generally from small to large, and gradually expand the anal stenosis, to expand the anus twice a week. Expansion to the usual three fingers can go in a state is appropriate.
3. Forefinger anal expansion: forefinger anal expansion method is mainly through the forefinger in the anus to guide, and with the help of the forefinger tension outward in accordance with the ring on the anus week to implement the expansion, so as to continue to relax the sphincter muscle, and ultimately achieve the purpose of expanding the anus.
It is recommended that patients with perianal discomfort and symptoms of anal stenosis should seek medical attention in a timely manner. The expansion of the anus, the specific method of operation, need to be personally carried out by a professional physician, do not operate on your own, so as to avoid damage to the anus and its surrounding tissues.