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US 8,512,301 B2Granted
Canned vacuum
OwnerFeng Mainventor
Life of this patent
Estimating the term…
Abstract
An apparatus includes a vacuum container for maintaining a built-in vacuum pressure, and a vacuum device for connecting the vacuum container with a surface. A method to treat patients using a disposable vacuum source is also provided, including applying the disposable vacuum apparatus to the patient's skin, equalizing the pressure in the vacuum apparatus and the pressure on the skin to apply a vacuum suction force, and releasing the vacuum suction force by equalizing the pressure on the skin with the ambient atmospheric pressure.
Claims10
An apparatus, comprising:
- a vacuum container configured to provide and substantially maintain a built-in vacuum pressure;
- a contact member configured to contact and substantially enclose a surface area;
- and
- a vacuum device configured to couple the built-in vacuum pressure to the surface area thereby applying a suction force on the surface area;
- wherein the vacuum container is also configured to retain a substance collected from adjacent the surface area,
- wherein the vacuum container comprises a collapsible container, and
- wherein the collapsible container comprises a spring member configured to maintain a tension in a wall of the vacuum container.
4 more elements
Dependencies are inferred from the claim text.