![]() ![]() Drainage is thought to be achieved by capillary action, allowing fluid to travel through the open grooves into a closed cross section, which contains the fluid and allows it to be suctioned through the tube. ![]() Blake drain - a round silicone tube with channels that carry fluid to a negative pressure collection device.After compressing the bulb to remove fluid or air, negative pressure is created as the bulb returns to its normal shape. The collection device is typically a bulb with a drainage port which can be opened to remove fluid or air. Jackson-Pratt drain - consists of a perforated round or flat tube connected to a negative pressure collection device.Surgical drains can be broadly classified into: ![]() Once a drain becomes clogged or occluded, it is usually removed, as it is no longer providing any benefit. Thus efforts must be made to maintain and assess patency when they are in use. Complications ĭrains have a tendency to become occluded or clogged, resulting in retained fluid that can contribute to infection or other complications. Drains will have protective dressings that will need to be changed daily/as needed. Depending on the amount of drainage, a patient may have the drain in place one day to weeks. Accurate recording of the volume of drainage as well as the contents is vital to ensure proper healing and monitor for excessive bleeding. In certain situations their use is unavoidable.ĭrains may be hooked to wall suction, a portable suction device, or they may be left to drain naturally. It is felt now that drains may hinder recovery by acting as an 'anchor' limiting mobility post surgery and the drain itself may allow infection into the wound. ![]() The routine use of drains for surgical procedures is diminishing as better radiological investigation and confidence in surgical technique have reduced their necessity. They are commonly placed by surgeons or interventional radiologists. Photograph showing a subcutaneous neck drain in the left neck woundĪ surgical drain is a tube used to remove pus, blood or other fluids from a wound. ![]()
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