It was reported that the patient diagnosed with brain tumor was admitted to hospital for treatment.After hospitalization, the relevant examinations were improved and picc insertion was planned.A 7617405 catheter was selected and the insertion process went smoothly.No abnormalities occurred during guidewire removal and tail end trimming conducted after the catheter was delivered to the target location.When installing the oversleeve portion of connector, the operator felt it did not go smoothly, a sense different from the normal.It was difficult to connect the metal handle to the catheter in the process of extension tube installation.It was suspected this may be caused by the gloves worn.The connection succeeded after several adjustments were attempted.However, blood could not be drawn and normal saline could not be injected.Still failed after several adjustments.Given that the catheter had been inserted in the patient's body, it was decided to remain the original catheter unchanged, but replace the extension tube with a new one.After the exchange, blood could be drawn and normal saline could be injected.
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