Anus stenosis dilator
Patent Information
- Authority / Receiving Office
- CN ยท China
- Current Assignee / Owner
- THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV
- Publication Date
- 2022-01-11
- Estimated Expiration
- Not applicable ยท inactive patent
Smart Images

Figure 1 
Figure 2 
Figure 3
Abstract
Description
technical field
[0001] The invention relates to the technical field of anorectal surgery, in particular to an anal stenosis dilator. Background technique
[0002] Anal stenosis is a condition in which the diameter of the anus and anal canal becomes smaller, which can lead to difficulty in passing feces, thinner stools, pain in the anus during defecation, and inability to pass the anus smoothly through the index finger during objective examination.
[0003] The doctor wears finger cots, applies liquid paraffin, inserts two index fingers into the anus, and repeatedly expands the anus in an arc, loosens the sphincter while expanding, and gradually extends the two middle fingers until the anal sphincter has no sense of urgency. Small, medium and large anoscopes and anal dilators are used to dilate the anus once or twice a week, and then the interval is gradually extended until the stenosis disappears and there is no recurrence. It generally takes 6 to 8 weeks and the curative ef...