Surgery – Instruments – Internal pressure applicator
Patent
1989-08-16
1992-01-28
Yasko, John D.
Surgery
Instruments
Internal pressure applicator
606192, 604 96, 604103, A61M 2900
Patent
active
050840614
ABSTRACT:
An intragastric balloon has an ellipsoid or like configuration so that the balloon implanted in the stomach tends to rotate or rock only about one axis when a surgeon attempts to manipulate the balloon, for example, for the purpose of finding a filler valve and inserting a filler tube into it. For easy location, the filler valve is disposed on the equator. A retrieval tab is mounted to the exterior of the balloon, to permit capturing of the balloon and retrieval from the stomach, after the balloon has been deflated and is no longer desired for weight control purposes. Visual and X-ray opaque markers are located in the proximity of the valve and of the retrieval tab to facilitate their visualization with an endoscopic light when the balloon is in the stomach.
REFERENCES:
patent: 1008641 (1911-11-01), Coregory
patent: 1702974 (1929-02-01), MacDonald
patent: 2073766 (1937-03-01), Suzuki
patent: 2700980 (1955-02-01), Andrews
patent: 4416267 (1983-11-01), Garren et al.
patent: 4462449 (1984-07-01), Zabel
patent: 4485805 (1984-12-01), Foster
patent: 4648383 (1987-03-01), Angelchik
patent: 4694827 (1987-09-01), Weiner et al.
patent: 4723547 (1988-02-01), Kullas et al.
Gau Fred C.
Hancock John C.
Maglione Corrine
Petit Michael G.
Yasko John D.
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