Patent ID: 9320839
Filing Date: 2016-04-26
CPC Classification: A61B,A61M

Claim Text:
1. A combination including a multi-function hand pump and a collection bag, the combination being arranged to collect a flow of a fluid and deliver it into the collection bag, the combination comprising: (a) a resilient, hollow, elastic squeeze bulb having a pair of openings; (b) a check valve associated with a first one of the pair of openings, arranged to allow flow of a fluid into the squeeze bulb and to prevent outward flow of fluid from the squeeze bulb; (c) a check valve associated with a second one of the pair of openings, arranged to allow flow of a fluid out from the squeeze bulb and to prevent inward flow of fluid into the squeeze bulb; (d) a respective connector associated with each one of the pair of openings, each connector communicating through the respective one of the pair of openings with an interior of the squeeze bulb; (e) structure defining a vacuum chamber having an outlet opening and a one-way discharge valve at the outlet opening, the outlet opening being located and arranged to allow passage of material from the vacuum chamber into an interior of the collection bag; (f) a two way conduit communicating between an interior of the vacuum chamber and the connector associated with the first one of the pair of openings of squeeze bulb of the hand pump; (g) an overpressure conduit communicating between the connector associated with the second one of the pair of openings of the squeeze bulb of the hand pump and the interior of the vacuum chamber; (h) a suction tube having a first end connected with and communicating with the interior of the vacuum chamber and having a second end open so as to receive and conduct a flow of fluid into the vacuum chamber; and (i) a one-way valve associated with the first end of the suction tube and permitting material to flow from the suction tube into the vacuum chamber but preventing material from flowing from the vacuum chamber into the suction tube.