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The catheter runs from the portal and is surgically inserted into a vein (usually the jugular vein, subclavian vein, or superior vena cava). Ideally, the catheter terminates in the superior vena cava, just upstream of the right atrium. This position allows infused agents to be spread throughout the body quickly and efficiently.
An injection port is a medical device used for the administration of insulin or other physician-approved medicine into the subcutaneous tissue (the tissue layer just below the skin). The device is similar to infusion sets used by insulin pumps , except it is configured to receive a syringe instead of a tubing system.
Medtronic's I-Port Advance attached to the skin. Credit: Marius Vassnes. An insulin port functions as a medication delivery channel directly into the subcutaneous tissue (the tissue layer located just beneath the skin). [1] When applying the injection port, an insertion needle guides a soft cannula (a small, flexible tube) under the skin. Once ...
The percutaneous CVC is inserted directly through the skin. The subclavian (left), internal (right) or external jugular, or femoral vein is used. There are several types of central venous catheters; these can be further subdivided by site (where the catheter is inserted into the body) as well as the specific type of catheter used. [39]
Groshongs may be left in place for extended periods and are used when long-term intravenous therapy is needed, such as for chemotherapy.Similar to the Hickman line, the tip of the catheter is in the superior vena cava, and the catheter is tunneled under the skin to an incision on the chest wall, where the distal end of the catheter exits the body.
Midline access is a type of peripheral venous access inserted into peripheral veins and that extends further than standard peripheral catheters but does not yet reach the large central veins of the thorax. They are used when intermediate-term access (one month) is needed or when administering medications that are highly irritating to smaller veins.
Catheter access, sometimes called a CVC (central venous catheter), consists of a plastic catheter with two lumens (or occasionally two separate catheters) which is inserted into a large vein (usually the vena cava, via the internal jugular vein or the femoral vein) to allow large flows of blood to be withdrawn from one lumen, to enter the dialysis circuit, and to be returned via the other lumen.
Additionally, since administration is closer to the surface of the skin, the body's reaction to substances is more easily visible. [1] However, due to complexity of the procedure compared to subcutaneous injection and intramuscular injection , administration via ID is relatively rare, and is only used for tuberculosis and allergy tests ...