PREFILLED SYRINGE AND METHOD FOR ASSEMBLING PREFILLED SYRINGE

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In order to facilitate, when gas within a liquid medicine storage section is released, the confirmation of the gas having been released, a prefilled syringe (1) comprises an outer tube (2), a liquid medicine container (5), the liquid medicine storage section (6), and a sealing member (23). The liquid medicine storage section (6) stores a liquid medicine (M), and the gas present within liquid medicine storage section (6) is a rare gas (H). The sealing member (23) seals the liquid medicine (M) and the rare gas (H) which are stored within the liquid medicine storage section (6).