What is an infusion pump?

An infusion pump is a medical device that generates mechanical pressure to move fluid through a tube into the patient’s vascular system, helping to deliver fluids more precisely.

You should know that an operating room is a complex environment, surgical operations can become very long and complex procedures that subject all health personnel to a high degree of pressure, since the life of the person who is being operated is in play. Infusion pumps in the operating room play a fundamental role in the technological framework that surrounds a surgical operation, especially in the induction and maintenance of total intravenous anesthesia, but also in the administration of necessary medication for the patient while in the operating room.

What is the history of infusion pumps?

The use of the infusion pump dates back to the end of the sixties and from then until today, this type of medical equipment continues to be valid in the field of health. The introduction of this device facilitated the administration of parenteral solutions and blood transfusions, since before its appearance, the flow of fluids had to be monitored to achieve precision in the process, but this was not entirely functional because it postponed the recovery of the patient.

Types of infusion pumps

Depending on the severity of the patient and the number of medications, food fluids or blood fluids that he needs, it can be connected to an infusion pump so that they can be delivered. There are different types of pumps to control infusions, which are used in specialized care areas.

  • Positive displacement pump: This type of infusion pump is the most used because in this category there are also cassette pumps and syringe pumps. The former have a chamber integrated into the cassette and a valve that allows the liquid to reach this chamber during a pause in pumping and when it is restarted, the valve closes and sends the liquid to the patient, instead of it returning to the patient. the bag.
  • Peristaltic Linear Pump: Several modifications have been made to this infusion pump in its design in order to offer levels of precision similar to the previous one. Pumps of this type put more pressure on the set to increase the accuracy of the infusion.
  • Rotary peristaltic pump: This infusion pump is used for the intravenous application of some medications, but its use is more common in the administration of food, as is the case with parenteral nutrition. Likewise, it is used for the infusion of blood in the operating room, during the placement of a bypass or the separation of cells from plasma.

Advantages of using pumps

  • They allow greater accuracy in the drip rate than gravity systems through a flow regulating clamp.
  • They save time for the nursing staff, since with the use of the pumps it is not necessary to regulate the drip flow.
  • They allow all types of solutions, blood and its derivatives, drugs and parenteral and enteral infusions to be administered. Adaptable to the needs of the patient, some of them are portable.

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