Skip to main content
Fig. 2 | Perioperative Medicine

Fig. 2

From: The effect of newly designed dual-channel elastomeric pump for intravenous patient-controlled analgesia after total laparoscopic hysterectomy: a randomized, double-blind, prospective study

Fig. 2

Schematic of the PCA device and its application. A In the 1-channel group, only the selector-bolus channel was actually utilized. B In the 2-channel group, both the selector-bolus channel and continuous channel were utilized by dividing the drugs between the two. The adjustable flow dial has a range of 0, 1, and 2 mL/h, but only 0 or 2 mL/h were used in both groups per our study protocol

Back to article page

Perioperative Medicine

ISSN: 2047-0525