1. A collapsible beverage container comprising:
a plurality of co-axially oriented, concentric cylindrical wall sections of progressively different diameters, the cylindrical wall sections having a smooth inner surface and being extendable from a collapsed position wherein the cylindrical wall sections substantially completely overlap in an axial direction to an extended position wherein the cylindrical wall sections only partially overlap in an axial direction; and
one or more elastomeric gaskets between adjacent cylindrical wall sections, each gasket providing a liquid-tight seal along the entire extension of the smooth inner surface of the adjacent cylindrical wall sections between the extended and collapsed positions so that any remaining beverage remains sealed inside the beverage container when in the collapsed position.
2. The collapsible beverage container of claim 1 wherein each elastomeric gasket includes at least two projecting lips and including a smooth inner surface on the adjacent wall sections, the projecting lips of each elastomeric gasket being sealingly slideable along the smooth inner surface of the adjacent wall sections sealingly slideable along the smooth inner surface of the adjacent wall section to provide the liquid-tight seal.
3. The collapsible beverage container of claim 1 including a peripheral external groove at an upper end of at least one wall section and a smooth inner surface on an adjacent, larger diameter wall section, and wherein the one or more elastomeric gaskets are disposed in the groove and are sealingly slideable along the smooth inner surface of the adjacent wall section to provide the liquid-tight seal.
4. The collapsible beverage container of claim 1 including a lid having an elastomeric gasket along a periphery thereof, the lid being removably sealably attachable to a top end of the largest diameter cylindrical wall section to provide a liquid-tight seal at the top of the beverage container.
5. The collapsible beverage container of claim 4 wherein the largest diameter cylindrical wall has a smooth inner surface and an upper end periphery adapted to seal and lock with the lid.
6. The collapsible beverage container of claim 4 including a pressure relief valve disposed in the lid.
7. The collapsible beverage container of claim 4 including a first opening adjacent an edge of the lid for drinking a beverage, a second opening in a central portion of the lid having internal threads, and a lid insert having external threads corresponding to the internal threads of the second opening, the lid insert further having an outward extending flange whereby rotating the lid insert in one direction urges the flange against the first opening, sealing the opening in a closed position and rotating the lid insert in the opposite direction moves the flange away from the first opening to permit drinking the beverage.
8. A collapsible beverage container comprising:
a plurality of co-axially oriented, concentric cylindrical wall sections of progressively different diameters, the wall sections having a smooth inner surface, the wall sections being extendable from a collapsed position wherein the cylindrical wall sections substantially completely overlap in an axial direction to an extended position wherein the cylindrical wall sections only partially overlap in an axial direction; and
one or more elastomeric gaskets between adjacent cylindrical wall sections, each gasket including at least two projecting lips, the projecting lips of each elastomeric gasket being sealing slideable along the smooth inner surface of the adjacent wall section to provide a liquid-tight seal along the entire extension of the smooth inner surface of the adjacent cylindrical wall section between the extended and collapsed positions.
9. A collapsible beverage container comprising:
a plurality of co-axially oriented, concentric cylindrical wall sections of progressively different diameters, one or more cylindrical wall sections having a peripheral external groove at an upper end thereof, each larger diameter cylindrical wall section adjacent to said at one or more wall sections with the peripheral external groove having a smooth inner surface, the cylindrical wall sections being extendable from a collapsed position wherein the cylindrical wall sections substantially completely overlap in an axial direction to an extended position wherein the cylindrical wall sections only partially overlap in an axial direction; and
one or more elastomeric gaskets between adjacent cylindrical wall sections, each gasket being disposed in a peripheral external groove of said one or more cylindrical wall sections, each gasket providing a liquid-tight seal along the entire extension of the smooth inner surface of the adjacent larger diameter cylindrical wall section between the extended and collapsed positions.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An X-ray diagnostic apparatus comprising:
an X-ray tube for exposing an X-ray toward an object;
an X-ray detector for acquiring two X-ray detection data sets by counting X-ray photons in at least two X-ray energy bands depending on a K absorption edge of an X-ray absorber taken into the object, the X-ray photons having transmitted the object; and
processing circuitry configured to:
input information to specify the X-ray absorber;
set the at least two X-ray energy bands based on the input information to specify the X-ray absorber; and
generate at least one frame of X-ray image data by data processing including subtraction processing of the two X-ray detection data sets, the X-ray absorber having been depicted in the at least one frame of the X-ray image data.
2. An X-ray diagnostic apparatus of claim 1,
wherein the processing circuitry is configured to set plural sets of two X-ray energy bands based on information to specify X-ray absorbers, the sets of the two X-ray energy bands depending on K absorption edges of the X-ray absorbers respectively.
3. An X-ray diagnostic apparatus of claim 1,
wherein the processing circuitry is configured to set the at least two X-ray energy bands of which boundary is an energy at the K absorption edge.
4. An X-ray diagnostic apparatus of claim 1,
wherein the processing circuitry is configured to set the at least two X-ray energy bands of which boundary shifts from an energy at the K absorption edge in a higher energy side by a predetermined amount.
5. An X-ray diagnostic apparatus of claim 1, further comprising:
a storage circuit configured to store pieces of information related with X-ray absorbers respectively, the pieces of information being for determining sets of two X-ray energy bands depending on K absorption edges of the X-ray absorbers respectively,
wherein the processing circuitry is configured to obtain a piece of the information from the storage circuit, the piece of the information being for determining two energy bands corresponding to the information to specify the X-ray absorber.
6. An X-ray diagnostic apparatus of claim 5,
wherein the storage circuit is configured to store the pieces of the information for determining the sets of the two X-ray energy bands, the pieces of the information being further related with at least one of tube voltages each possibly applied to the X-ray tube and pieces of information identifying beam filters each possibly placed in an output side of the X-ray tube; and
the processing circuitry is configured to set the at least two X-ray energy bands based on at least one of a tube voltage and a beam filter corresponding to an exposure condition of an X-ray exposed from the X-ray tube.
7. An X-ray diagnostic apparatus of claim 1,
wherein the processing circuitry is configured to:
set at least three X-ray energy bands including at least one X-ray energy band other than the two X-ray energy bands; and
generate X-ray image data, having a contrast which does not correspond to the K absorption edge, based on X-ray detection data corresponding to at least one of the at least three X-ray energy bands.
8. An X-ray diagnostic apparatus of claim 7,
wherein the processing circuitry is configured to set at least one of energy bands in which each energy is higher than any of the two X-ray energy bands and energy bands in which each energy is lower than any of the two X-ray energy bands, the set at least one of the energy bands other than the two X-ray energy bands having an equal bandwidth.
9. An X-ray diagnostic apparatus of claim 7,
wherein the processing circuitry is configured to combine the X-ray image data, in which the X-ray absorber has been depicted, with the X-ray image data having the contrast which does not correspond to the K absorption edge.
10. An X-ray diagnostic apparatus of claim 1,
wherein the processing circuitry is configured to input at least one of an examination item and information to specify a contrast agent, as the information to specify the X-ray absorber.
11. An X-ray diagnostic apparatus of claim 1,
wherein the processing circuitry is configured to:
set two sets of at least two X-ray energy bands based on information to specify two X-ray absorbers, the two sets depending on K absorption edges of the two X-ray absorbers respectively; and
generate four frames of X-ray image data corresponding to at least the two sets of the two X-ray energy bands.
12. An X-ray diagnostic method comprising:
inputting information to specify an X-ray absorber taken into an object;
setting at least two X-ray energy bands based on the input information to specify the X-ray absorber, the at least two X-ray energy bands depending on a K absorption edge of the X-ray absorber;
exposing an X-ray toward the object;
acquiring two X-ray detection data sets by counting X-ray photons in the at least two X-ray energy bands, the X-ray photons having transmitted the object; and
generating at least one frame of X-ray image data by data processing including subtraction processing of the two X-ray detection data sets, the X-ray absorber having been depicted in the at least one frame of the X-ray image data.