| 摘要 |
A vascular access device having a rotatable inner core positioned within a device body between first and second positions for diverting blood flow to an extracorporeal blood circuit. The previous version had two spouts under the skin while the improved device of the present invention uses four, since it connects to both artery and vein. The valve sits below and above the skin of the patient. When the valve is turned to treatment position, it sends the blood up to and from the dialysis machine. Another position of the valve allows for an antiseptic to clean the device. When not in use, blood continues to flow as usual.
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