MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202647126162 A) filed by Gpf Co. , Ltd on October 22, 2026, for Shaped Filter With Virus Barrier Properties For Use In Medical Aspirator Systems.

Inventor includes Sakon, Yuichi.

The application for the patent was published on October 30, 2026, under issue no. 44/2026.

Abstract: A composite filter that constitutes a shaped filter according to the present invention, which is for use in a flexible disposable bag that is produced so as to aspirate a secreted material or the like in the body of a patient, store the secreted material or the like therein, and be discarded when a certain storage amount is reached, has a bottomed cylindrical shape, has a structure such that an outer layer constituting an outside part is integrated with an inner layer constituting an inner part, and is configured such that internal exhaled breath passes through the inner layer after passing through the outer layer. The outer layer is formed of a multilayer non-woven fabric that has at least two layers including a non-woven fabric and a charged non-woven fabric or at least three layers including a non-woven fabric, a porous PTFE, and a charged non-woven fabric, wherein the charged non-woven fabric is disposed on the downstream side of the internal exhalated breath relative to the non-woven fabric. The inner layer is formed of a sintered product of a polyethylene or polypropylene that has sodium carboxymethyl cellulose or sodium polyacrylate carried thereon, the porous PTFE prevents wetting of the charged non-woven fabric, and the non-woven fabric contains nano zinc oxide and inactivates viruses.

Disclaimer: Curated by HT Syndication.