Baxter Flo-Gard Infusion Pump. Preowned with Good Condition. Baxter infusion pumps are capable of delivering a wide variety of fluids, including blood, over a broad range of infusion rates. The s are easy to load, spill resistant pumping mechanisms with occlusion sensors that detect both upstream and downstream restrictions.
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An infusion pump infuses fluids, medication or nutrients into a patient's circulatory system. It is generally used intravenously , although subcutaneous , arterial and epidural infusions are occasionally used. Infusion pumps can administer fluids in ways that would be impractically expensive or unreliable if performed manually by nursing staff.
For example, they can administer as little as 0. Because they can also produce quite high but controlled pressures , they can inject controlled amounts of fluids subcutaneously beneath the skin , or epidurally just within the surface of the central nervous system — a very popular local spinal anesthesia for childbirth.
The user interface of pumps usually requests details on the type of infusion from the technician or nurse that sets them up:. To get the entire dose of antibiotics into the patient, the "volume to be infused" or VTBI must be programmed for at least 30 CCs more than is in the medication bag; failure to do so can potentially result in up to half of the antibiotic being left in the IV tubing.
Some pumps offer modes in which the amounts can be scaled or controlled based on the time of day. This allows for circadian cycles which may be required for certain types of medication. There are two basic classes of pumps. Large volume pumps can pump fluid replacement such as Saline solution , medications such as antibiotics or nutrient solutions large enough to feed a patient.
Small-volume pumps infuse hormones , such as insulin , or other medicines, such as opiates. Within these classes, some pumps are designed to be portable, others are designed to be used in a hospital, and there are special systems for charity and battlefield use.
Large-volume pumps usually use some form of peristaltic pump. Classically, they use computer-controlled rollers compressing a silicone-rubber tube through which the medicine flows.
Another common form is a set of fingers that press on the tube in sequence. Small-volume pumps usually use a computer -controlled motor turning a screw that pushes the plunger on a syringe.
The classic medical improvisation for an infusion pump is to place a blood pressure cuff around a bag of fluid.
The battlefield equivalent is to place the bag under the patient. The pressure on the bag sets the infusion pressure. The pressure can actually be read-out at the cuff's indicator. The problem is that the flow varies dramatically with the cuff's pressure or patient's weight , and the needed pressure varies with the administration route, potentially causing risk when attempted by an individual not trained in this method.
Places that must provide the least-expensive care often use pressurized infusion systems. One common system has a purpose-designed plastic "pressure bottle" pressurized with a large disposable plastic syringe. A combined flow restrictor , air filter and drip chamber helps a nurse set the flow. The parts are reusable, mass-produced sterile plastic, and can be produced by the same machines that make plastic soft-drink bottles and caps. A pressure bottle, restrictor and chamber requires more nursing attention than electronically controlled pumps.
In the areas where these are used, nurses are often volunteers, or very inexpensive. The restrictor and high pressure helps control the flow better than the improvised schemes because the high pressure through the small restrictor orifice reduces the variation of flow caused by patients' blood pressures.
An air filter is an essential safety device in a pressure infusor, to keep air out of the patients' veins. Small bubbles could cause harm in arteries, but in the veins they pass through the heart and leave in the patients' lungs. The air filter is just a membrane that passes gas but not fluid or pathogens. When a large air bubble reaches it, it bleeds off. Some of the smallest infusion pumps use osmotic power. Basically, a bag of salt solution absorbs water through a membrane, swelling its volume.
The bag presses medicine out. The rate is precisely controlled by the salt concentrations and pump volume. Osmotic pumps are usually recharged with a syringe. Spring-powered clockwork infusion pumps have been developed, and are sometimes still used in veterinary work and for ambulatory small-volume pumps. They generally have one spring to power the infusion, and another for the alarm bell when the infusion completes. Battlefields often have a need to perfuse large amounts of fluid quickly, with dramatically changing blood pressures and patient condition.
Specialized infusion pumps have been designed for this purpose, although they have not been deployed. Many infusion pumps are controlled by a small embedded system. They are carefully designed so that no single cause of failure can harm the patient. For example, most have batteries in case the wall-socket power fails. Additional hazards are uncontrolled flow causing an overdose , uncontrolled lack of flow, causing an underdose, reverse flow, which can siphon blood from a patient, and air in the line, which can cause an air embolism.
The range of safety features varies widely with the age and make of the pump. A state of the art pump in [update] may have the following safety features:. Infusion pumps have been a source of multiple patient safety concerns, and problems with such pumps have been linked to more than 56, adverse event reports from to , including at least deaths.
It cited software defects, user interface issues, and mechanical or electrical failures as the main causes of adverse events. From Wikipedia, the free encyclopedia. This article needs additional citations for verification.
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May Routes of administration , dosage forms. Mouthwash Toothpaste Ointment Oral spray. Dry-powder inhaler DPI. Oxygen mask and Nasal cannula Oxygen concentrator Anaesthetic machine Relative analgesia machine. Intradermal Subcutaneous Transdermal implant. Intracavernous Intravitreal Intra-articular injection Transscleral. Intracerebral Intrathecal Epidural.
Intravenous therapy. Lactated Ringer's Normal saline Sugar solution. Lactated Ringer's , Sodium bicarbonate. Intravenous immunoglobulin. Drug injection Ascorbic acid. Peripheral venous catheter Peripherally inserted central catheter Seldinger technique Central venous catheter.
Air embolism Extravasation. Categories : Medical pumps Drug delivery devices Dosage forms. Hidden categories: Articles needing additional references from September All articles needing additional references Articles with obsolete information from May All Wikipedia articles in need of updating Articles with multiple maintenance issues Articles containing potentially dated statements from All articles containing potentially dated statements.
Baxter Colleague Volumetric Infusion Pump - Refurbished
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An infusion pump infuses fluids, medication or nutrients into a patient's circulatory system. It is generally used intravenously , although subcutaneous , arterial and epidural infusions are occasionally used. Infusion pumps can administer fluids in ways that would be impractically expensive or unreliable if performed manually by nursing staff. For example, they can administer as little as 0. Because they can also produce quite high but controlled pressures , they can inject controlled amounts of fluids subcutaneously beneath the skin , or epidurally just within the surface of the central nervous system — a very popular local spinal anesthesia for childbirth. The user interface of pumps usually requests details on the type of infusion from the technician or nurse that sets them up:.