What is the name of the medical device shown in the image?

NORCET 7 Prelims -2024

Image Based Questions (E5)

Medium

Appeared in: NORCET 7 Prelims -2024

Explanation

The device in the image is a three-way urinary catheter, which is a specialized type of Foley catheter.
It is identified by its three distinct lumens or ports at the external end.
One lumen is for draining urine, the second is for inflating the retention balloon, and the third is for instilling irrigation fluid into the bladder.
This design is essential for procedures like Continuous Bladder Irrigation (CBI), often required after urologic surgery to prevent blood clot formation.

Option A: While this is a type of Foley catheter, this answer is too general. A standard Foley catheter has only two lumens (for drainage and balloon inflation). The image clearly shows three lumens, making 'Three-way urinary catheter' a more specific and accurate identification.
Option C: A nasogastric (NG) tube is inserted through the nose, down the esophagus, and into the stomach. It is used for feeding, administering medication, or gastric decompression and has a completely different structure without a retention balloon and three-port system like the one shown.
Option D: An endotracheal (ET) tube is an airway device inserted through the mouth or nose into the trachea to assist with breathing. It has a single large lumen for ventilation and a small pilot line to inflate a cuff that seals the airway, which looks very different from the device pictured.

Visual 1: Diagram - A side-by-side comparison of a two-lumen (standard Foley) catheter and a three-lumen catheter, with each lumen clearly labeled to show its function (drainage, inflation, irrigation).
Visual 2: Illustration - A diagram showing a three-way catheter correctly placed in a patient's bladder during Continuous Bladder Irrigation (CBI), with arrows indicating the flow of irrigation fluid in and the flow of urine/fluid out.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of urinary catheters as background academic context rather than a clinical decision trigger.
Nurses are responsible for managing patients with three-way catheters, which includes setting up and monitoring Continuous Bladder Irrigation (CBI), calculating true urine output (total output minus irrigant infused), and assessing for signs of catheter obstruction like bladder spasms or decreased output.
Patient safety is critical. An obstructed catheter can lead to painful bladder distention, urinary retention, and potential bladder injury. Nurses must promptly identify and resolve any blockages.
What if? - If the drainage from a CBI system suddenly decreases or stops, the nurse's first action should be to check the tubing for kinks or external obstructions. If none are found, the nurse should stop the irrigation and, following facility protocol, may need to manually irrigate the catheter to dislodge a clot before notifying the provider.

How to Approach the Question

First, carefully examine the image to identify the key features of the medical device.
Observe the overall shape, the tip, the presence of a balloon, and most importantly, the number of ports or lumens at the external end.
Note that there are three distinct channels branching off from the main tube.
Next, evaluate the given options based on your visual analysis.
Recall the characteristics of each device listed: a standard Foley catheter (usually two lumens), a three-way catheter (three lumens), a nasogastric tube (for the stomach), and an endotracheal tube (for the airway).
Select the option that most accurately and specifically describes the device with three lumens, which is the 'Three-way urinary catheter'.

Concept Tested & Keywords

QDVtPBwREtERQ9b90WVWTY