Breast pump
Patent 5415632 Issued on May 16, 1995. Estimated Expiration Date: 
January 10, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 10, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 790051 897289 1484874 1509226 2419795 3782385 Milking apparatus and method Breast pump Combination breast pump and gavage feeding apparatus and method Adjustable surgical suction apparatus InventorAssigneeApplicationNo. 179378 filed on 01/10/1994US Classes:604/74, Lacteal extractors (e.g., breast pump, etc.)604/346Receptacles receiving protruding body member (e.g., ears, genitalia, breast, etc.)ExaminersPrimary: Rosenbaum, C. FredAssistant: Wilkens, III, Frank Attorney, Agent or FirmForeign Patent References
International ClassesA61M 001/06A61F 005/44 AbstractAn ergonomically effective breast pump includes a pump body including a breast engaging portion, a breast milk receiving container on the pump body, a one-way valve between the pump body and the container and a piston and cylinder assembly for applying vacuum to the interior of the pump body. The breast engaging portion is receivable in engagement with a breast of a user, and the piston and cylinder assembly includes a piston which is moveable in a cylinder in a direction outwardly and away from the user for applying vacuum to the breast of the user through the pump body. The breast pump further includes a thumb receiving element for moving the piston in the cylinder in a direction outwardly and away from the user with a thumb on a hand of the user, a handle element receivable in the same hand for assisting the user to draw the piston in an outward direction in the cylinder and a spring element for returning the piston in a direction toward the user.Field of SearchMeans forceably introducing or removing material from body orifice or woundLacteal extractors (e.g., breast pump, etc.) With collapsible bulb means Means moved by person to produce suction (e.g., squeeze bulb, piston, etc.) Aspiration collection container or trap (e.g., canister, etc.) Receptacle attached to or inserted within body to receive discharge therefrom Receptacles receiving protruding body member (e.g., ears, genitalia, breast, etc.) | |
