| http://www.w3.org/ns/prov#value | - Where the stone removing device is properly introduced into the body cavity by, for example, an X-ray fluoroscope, the central cylindrical bore 41 in the flexible sheath 30 can be, like the bore 32c, to inject a liquid such as a contrast medium, dye, liquid medicine, physiological sodium chloride solution and diluent for body fluid (for permitting easy observation) into the body cavity region of i
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