Disclosed herein is an overtube for use with a bi-luminal tip during wound irrigation. The overtube includes an conical tip and an open tube portion, respectively coupling to each other. Further, the overtube is removably fitted with the bi-luminal tip during a wound irrigation process so that the bi-luminal tip may be easily inserted into and/or removed from the overtube through the open tube portion.在此揭示一種應用於傷口引流灌洗之外套管，此外套管可和引流灌洗管搭配使用。所述外套管，包含一錐狀前端和一開放的管狀部，彼此相連。此外，所述外套管被設置成可在傷口灌洗過程中，可與引流灌洗管結合，允許自外套管之開放的管狀部載入和/或移除引流灌洗管。
