Importance

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Abstract

A collection device (1) for minimising dispersal of pathogens into the environment during insufflating of the peritoneal cavity (12) of a subject (3), and which are entrained in insufflating gases and other gases escaping through an incision (8) in the abdominal wall (9) of the subject (3), through which a trocar is entered into the peritoneal cavity (12) comprises a patch (5) supported on a support framework (30). The patch (5) terminates in an outer peripheral portion (20) with a pressure sensitive adhesive (21) coated thereon for sealably securing the outer peripheral portion (20) to the abdominal wall (9). A central access opening (24) formed in the patch (5) tightly and sealably engages the trocar (10). With the trocar (10) extending through the access opening (24) of the patch (5) and with the patch (5) bonded by the pressure sensitive adhesive (21) to the abdominal wall (9) of the subject, the patch (5) defines with the trocar (10) and the abdominal wall (9) of the subject an annular collection chamber (17) for collecting insufflating and other gases leaking through the opening (8) in the subject. An outlet port (25) extending from the patch (5) and communicating with the collection chamber (17) is connected through a filter (29) to a vacuum system (27) for drawing gases from the collection chamber (17) where they are filtered in the filter (29) for removing pathogens therefrom, and clean filtered gases are dispersed into the atmosphere from the vacuum system (27). Other access devices and apparatus for collecting and filtering insufflating gases and other gases leaking through an incision formed in the body of a subject or through other body orifices are also disclosed.

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First Claim