Anal dilator with self-expanding element

Details Anal dilator with self-expanding element Anal dilator with self-expanding element

1997-06-02

1998-10-06

Buiz, Michael Powell

Surgery

Instruments

Internal pressure applicator

604 48, 604104, 604286, A61M 2900

Patent

active

058171240

ABSTRACT:
An anal dilator for treating anal disorders, such as fissure-in-ano, having a self-expanding means for slowly dilating the anal muscles to cause a relaxation of anal muscles thereby promoting healing. The anal dilator comprises three sections: a first end section positioned within the rectum, a second middle section positioned within the anal sphincter muscle, and a last end section outside of the body between the buttocks. The second middle section having a self-expanding element means may be a vegetable protein, such as laminaria japonica, or a non biologic substance, such as sponge rubber. Additionally, it may also contain medications for local or systemic delivery.

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patent: 4624258 (1986-11-01), Stubbs
patent: 4686985 (1987-08-01), Lattick
patent: 4906239 (1990-03-01), Bruhl et al.
patent: 4932958 (1990-06-01), Reddy et al.
patent: 5178627 (1993-01-01), Hudock
patent: 5584827 (1996-12-01), Korteweg et al.

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