A device and method for acidic buffering

Details A device and method for acidic buffering A device and method for acidic buffering

Category

A - Human Necessities

Subcategory

61

Subsubcategory

F

IPC codes

A61F 6/06 (2006.01) A61F 5/00 (2006.01) A61F 6/08 (2006.01) A61K 9/00 (2006.01)

Type

Patent

Patent number

CA 2187085

Description

The present invention is for a device and a gel method for controlling pH by acidic buffering. The device is made of a flexible dome (10), a flexible circular rim (30) and an absorbent acidic buffer. The flexible dome (10) is attached at its margin to the circular rim (30) and the absorbent acidic buffer is contained within the device. The absorbent acidic buffer can control or maintain pH within physiological ranges. The gel method for controlling pH by acidic buffering is accomplished by applying a gel to an area where the pH is to be controlled. The gel includes an acidic buffering polymer which can control or maintain the pH of the area within the range of about 3 to about 5.

La présente invention concerne un dispositif et un procédé à base de gel pour contrôler le pH par un tamponnage acide. Le dispositif se compose d'un dôme flexible (10), d'un rebord circulaire flexible (30) et d'un tampon acide absorbant. Le dôme flexible est fixé, au niveau de sa périphérie, au rebord circulaire (30) et le tampon acide absorbant est placé à l'intérieur du dispositif. Ce tampon peut contrôler ou maintenir le pH dans des plages physiologiques. Le procédé à base de gel pour contrôler le pH à l'aide d'un tamponnage acide consiste à appliquer un gel sur une zone dans laquelle le pH doit être contrôlé. Le gel comprend un polymère de tamponnage acide qui peut contrôler ou maintenir le pH de la zone dans la plage comprise entre 3 et 5 environ.

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