Drainage device with disposable collection chamber

Abstract From the Canadian patent

Abstract of the Disclosure, A drainage device is provided with a disposable collection chamber which is attachable to a nondisposable section The, nondisposable section of the drainage device includes the suction control regulator and a valve to prevent admission of atmospheric air to the collection chamber. A receptable is provided in the nondisposable section to indicate contamination of the nondisposable section in the event liquid from the collection chamber flows into the nondisposable section. liquid biocidal chamber is provided in the collection chamber to prevent contaminates and infectious material from passing from the collection chamber into the nondisposable section.