It was reported that the patient presented with compression fracture and metastatic osteoncus; and underwent percutaneous kyphoplasty at t10.Intra-op, it was noticed that the balloon had shrunk a little during cement mixing.It occurred when the ibt was inserted into the vertebral body, balloon was expanded and cavity was created.It seemed that the contrast media was leaking a little from the vicinity of the connection part between the ibt and the syringe with tube.The negative pressure condition in the state that ibt and the syringe with tube were combined was checked but the display showed ""0"" instead of ¿--¿.The ibt was removed from the inflation syringe, and the air was removed from the ibt.When attachment was performed again, the display indicated "--", so the product was inserted into the patient¿s body, and balloon expanding was performed.The procedure was completed with the same product.There were no patient complications as a result of this event.
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