What is a catheter?

Understanding What a Catheter Is
The Role of Catheters
Takeaway

Understanding What a Catheter Is
A catheter is a medical device that is typically inserted into a body part, such as a vein or a bladder, to provide drainage and access for a medical procedure. It is a slender, hollow tube that is typically made from rubber or plastic. Its open end is designed to be connected to a drainage system, such as a syringe or a drainage bag.

Catheters may be inserted for a variety of reasons, including draining urine from the bladder of an incontinent patient, or delivering medication or nutrients directly into a vein. In some cases, catheters can also be used to measure pressure inside a vein or artery. 

There are a variety of different types of catheters, including Foley catheters, which are inserted into the bladder to help with urinary incontinence; internal jugular catheters, which are used to deliver medication and nutrients; and Siemens catheters, which are inserted into the chest to measure pressure in the heart.

The Role of Catheters
Catheters are used by medical professionals in a variety of situations, including:

– To provide access to a patient’s urinary system. An increasingly common use of catheters is to provide access to a patient’s bladder to help manage incontinence.

– To measure pressure in a blood vessel. Catheters are commonly used to measure the pressure inside a vein or artery. This is typically done using a Siemens catheter, which is inserted into a vein or artery in the chest.

– To deliver medication or nutrition directly into a vein. This is commonly done using a PICC line, which is inserted into a vein in the arm or chest.

– To provide access to a patient’s heart. This is known as a transvenous pacemaker, and is used in patients with a slow or irregular heartbeat.

– To provide access to a patient’s dialysis treatment. This is done using a peritoneal dialysis catheter, which is inserted into a vein in the chest.

Takeaway
Catheters are a common medical device that are used in a variety of situations to provide drainage, measure pressure, deliver medication, and provide dialysis access. They can be used to help manage urinary incontinence, measure pressure in a blood vessel, deliver medication or nutrition, provide access to a patient’s heart, or provide access to a patient’s dialysis treatment. Understanding the uses and types of catheters can help draw attention to their importance in modern medicine.