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A tunneled catheter may remain inserted for months to years. These CVCs have a low infection rate due to a Dacron cuff, an antimicrobial cuff surrounding the catheter near the entry site, which is coated in antimicrobial solution and holds the catheter in place after two to three weeks of insertion. [28]
If a patient requires long-term dialysis therapy, a chronic dialysis catheter will be inserted. Chronic catheters contain a dacron cuff that is tunneled beneath the skin approximately 3–8 cm. The tunnel is thought to add a barrier to infection. The most popular dialysis catheter sold on the market today is the Symmetrical-Tip dialysis ...
Ivan Magill later added a cuff (these were glued on by hand to make the famous Blue-line tube copied by many other manufacturers). Maeterlinck GmbH developed the disposable endotracheal tube and produced many design variations, adding the 'Murphy Eye' to their tubes in case of 'accidental' placement of the tube to avoid right bronchial occlusion.
A Hickman line two-lumen catheter inserted on the patient's left side. Scars at the base of the neck indicate the venotomy site and insertion point into the left jugular vein . A Hickman line is a central venous catheter most often used for the administration of chemotherapy or other medications, as well as for the withdrawal of blood for analysis.
•Cuffed type: in unconscious patient (single cuff is sufficient); used in permanent tracheostomy (with two cuffs); has a balloon (cuff) that is inflated to occlude the airway around the tube to prevent aspiration of fluids into the lungs •Jackson's: metal double tube and a pilot Retractor's (single or double hook) to retract tissues
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.
A tracheostomy tube may be single or dual lumen, and also cuffed or uncuffed. A dual lumen tracheostomy tube consists of an outer cannula or main shaft, an inner cannula, and an obturator. The obturator is used when inserting the tracheostomy tube to guide the placement of the outer cannula and is removed once the outer cannula is in place.
A cuffed endotracheal tube used in tracheal intubation In contrast to supraglottic devices, infraglottic devices create a conduit between the mouth, passing through the glottis, and into the trachea. There are many infraglottic methods available and the chosen technique is reliant on the accessibility of medical equipment, competence of the ...