公开(公告)号：US11286601B2

公开(公告)日：2022-03-29

申请号：US16806255

申请日：2020-03-02

Applicant: CONVATEC TECHNOLOGIES INC.

Inventor： Wayne Lee Bonnefin ,  Lucy Louisa Ballamy ,  Sarah Wroe ,  David Parsons ,  Garry Storey ,  Joseph Thompson

IPC: A61F13/00 ,  D06B1/00 ,  D01F2/24 ,  D21H13/02 ,  D01G15/00 ,  B65B55/02 ,  A61L15/28 ,  D04H1/46 ,  D06M13/278 ,  A61L15/42 ,  D06M13/21 ,  D06M11/38 ,  D04H1/4258 ,  A61F13/02 ,  D06M101/06

Abstract: A chemically modified cellulosic fibre or filament having a moisture content of at least 7% by weight obtained by a process comprising the steps of (i) obtaining cellulosic fibres or filament and chemically modifying the cellulose by substitution to increase its absorbency; (ii) washing the fibres after step (i) in a mixture comprising water and up to 99% by weight of water-miscible organic solvent; (iii) drying the fibres to a moisture content of at least 7% by weight.

公开(公告)号：US20200337885A1

公开(公告)日：2020-10-29

申请号：US16859496

申请日：2020-04-27

Applicant: CONVATEC TECHNOLOGIES INC.

Inventor： Emily Donovan ,  Garry Storey ,  Wayne Bonnefin ,  Roxanna Woodward ,  Stephen Desmond ,  Lisa Price ,  Clive Wilson ,  James Glover

IPC: A61F5/448 ,  A61F5/443

Abstract: Ostomy wafers, ostomy devices incorporating ostomy wafers, and methods of applying ostomy wafers and ostomy devices are disclosed herein. An ostomy wafer may include an external layer and a foam layer coupled to the external layer. An ostomy device may include an ostomy pouch and an ostomy wafer coupled to the ostomy pouch that includes an external layer and a foam layer coupled to the external layer.

公开(公告)号：US20200337884A1

公开(公告)日：2020-10-29

申请号：US16859491

申请日：2020-04-27

Applicant: CONVATEC TECHNOLOGIES INC.

Inventor： Emily Donovan ,  Garry Storey ,  Wayne Bonnefin ,  Roxanna Woodward ,  Stephen Desmond ,  Lisa Price ,  Clive Wilson ,  James Glover

IPC: A61F5/448 ,  A61F5/443

Abstract: Ostomy wafers, ostomy devices incorporating ostomy wafers, and methods of applying ostomy wafers and ostomy devices are disclosed herein. An ostomy wafer may include an external layer and a convex surface coupled to the external layer. An ostomy device may include an ostomy pouch and an ostomy wafer coupled to the ostomy pouch that includes an external layer and a convex surface coupled to the external layer.