Medicament delivery device comprising a visual indicator
AssigneeWest Pharma. Services IL, Ltd.
InventorsOz CABIRI, Ran HEZKIAHU
Life of this patent
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Abstract
A pharmaceutical delivery device includes a cartridge containing a fluid. The cartridge includes a light pipe section having an input location and a light diffusing section optically coupled to the light pipe. A light source is optically coupled to the cartridge at the input location to the light pipe, such that at least some light from the light source entering at the input location is diffused at the light diffusing section.
Claims15
A method for indicating a user about a state of a pharmaceutical delivery device, the method comprising:
- optically coupling at least one light source with a cartridge containing a fluid and having a light input location;
- optically coupling through said cartridge a light diffusing section to said light input location;
- positioning said at least one light source and said cartridge in a housing having at least one window, such that said light diffusing section is aligned with said at least one window;
- and
- operating said at least one light source in accordance with a state of the pharmaceutical delivery device.
A method of manufacturing a pharmaceutical delivery device, the method comprising:
- forming a cartridge to include:
- a transparent section which acts as a light pipe having an input location;
- and
- a light diffusing section optically coupled to said light pipe;
- and
- (b) filling said cartridge with a fluid.
A cartridge for positioning within a pharmaceutical delivery device having a housing, said cartridge comprising:
- a light pipe section which acts as a light pipe having an input location;
- and
- a light diffusing section optically coupled to said light pipe,
- wherein said light diffusing section extends beyond a plane defined by said housing.
Dependencies are inferred from the claim text.