Patents by Inventor Luis Salvador VIEGAS NIETO GUIMARAES

Luis Salvador VIEGAS NIETO GUIMARAES has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10993847
    Abstract: The present application describes a surgical swab composed of two or more outer layers made of non-woven fabric and an inner layer of a textile polymer net, with or without x-ray detectable thread, which can be obtained, for example, by a process of knitting or weaving. The textile net can present in its composition materials with high elasticity such as elastane or alternatively combinations of materials that allow shrinking after heat treatment such as the polyamide or polyamide and polyester or even polyamide and cotton. In the present application, it is also described the production process of this surgical swab which, after the junction and overlapping of the non-woven fabric layers and the inner layer of textile polymer net, comprises ultrasound welding of the layers. The surgical swabs of this application present improved performance features and the production process involved is simple, economical and automated.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: May 4, 2021
    Assignee: BASTOS VIEGAS, S.A.
    Inventor: Luis Salvador Viegas Nieto Guimaraes
  • Publication number: 20170258642
    Abstract: The present application describes a surgical swab composed of two or more outer layers made of non-woven fabric and an inner layer of a textile polymer net, with or without x-ray detectable thread, which can be obtained, for example, by a process of knitting or weaving. The textile net can present in its composition materials with high elasticity such as elastane or alternatively combinations of materials that allow shrinking after heat treatment such as the polyamide or polyamide and polyester or even polyamide and cotton. In the present application, it is also described the production process of this surgical swab which, after the junction and overlapping of the non-woven fabric layers and the inner layer of textile polymer net, comprises ultrasound welding of the layers. The surgical swabs of this application present improved performance features and the production process involved is simple, economical and automated.
    Type: Application
    Filed: August 24, 2015
    Publication date: September 14, 2017
    Inventor: Luis Salvador VIEGAS NIETO GUIMARAES