| 摘要 |
<p>This invention relates to venous blood flow in a patient's limb which is promoted by repeating a cycle (fig.2) of sequentially applying compressive pressures against a patient's limb through means of a flexible, pressurizable sleeve (30a,32a,34a,36a) having pressure chambers progressively arranged along the limb in relation to the patient's heart. Specifically, the pressure chambers from the distal to proximal are pressurized until they are at their appropriate pressures so as to collapse the veins in the limb. At the end of the most proximal compression, a foot chamber (30a) is compressed at a substantially higher pressure than the other chambers to force a bolus of blood from the foot into the limb causing the collapsed veins to open, the support of the chambers minimizing distention of the veins and enhancing the transmitting of blood up the limb. <IMAGE></p> |
