Why trust SimpleNursing
| Editorial Standards

How to Access a Port

Amanda Thomas Headshot
By Amanda Thomas | Published May 14th, 2025 · Editorial Standards
Published May 14th, 2025 Medically Reviewed by: Angela Slater FNP, RN
Angela Slater FNP, RN
Medically Reviewed by:
Angela Slater FNP, RN
Port-a-cath on an orange background

Jump to Sections



    If you’re reading this, you’ve probably reached the moment in your nursing school journey where you’re ready to learn how to access a port.

    Accessing a port-a-cath (your client’s mediport) is one of the most common procedures for administering long-term medication or treatments, and a must know clinical skill.

    It may seem intimidating at first, but once you break it down, it’s pretty straightforward. This guide will provide the essential tools, procedures, and tips for accessing ports like a pro.

    What Is a Port and How Does It Work?

    A port is a small medical device placed under the skin to provide easy access to a central vein.

    It’s for clients who require frequent IV treatments, chemotherapy, or blood draws.

    Components of a Port

    The magic of a port lies in its simple structure, which has two key parts:

    1. Portal/septum – The top, “bumpy” area under a client’s skin where you insert the needle
    1. Catheter – A tiny tube connected to the portal that runs into a large vein, usually the superior vena cava

    Common Placement Areas

    The most common place to insert a port is in the chest since it gives easy access to a central vein and stays securely under the skin.

    However, depending on the client’s needs, you can also place ports in the arm or even the rib cage, though that’s less common.

    When Is a Port Used?

    Clients who receive treatments like chemotherapy, antibiotics, or blood transfusions often use ports.

    These devices reduce the number of needle sticks while protecting veins from damage caused by repeated access. Think of them as VIP access points for medical care.

    Types of Ports

    There are a variety of ports available, which help tailor care to each client’s needs.

    Here are three common types you’ll encounter in your nursing practice:

    • Standard – A single-lumen device used for general venous mediport access that can handle most long-term needs
    • PowerPorts – Durable ports used to handle the high pressure of contrast injection during imaging scans
    • Dual lumen – Ideal for clients who need multiple meds or treatments simultaneously

    Step-by-Step Guide: How to Access a Port

    Here’s the step-by-step breakdown for accessing a port safely and effectively. 

    1. Explain the procedure to the client.

    • Ensure they understand what is about to happen and feel comfortable with the process. 

    2. Gather supplies.

    • Biopatch, a protective disk with Chlorhexidine gluconate (CHG)
    • Hand and skin disinfectants
    • Needleless connector
    • PowerLoc needle (for PowerPort)
    • Port access kit (Central line dressing kit, CHG cleaner, skin protectant, sterile gloves)
    • Face masks (for you and the client)
    • Alcohol swabs
    • Huber needle (non-coring)
    • Normal 10-milliliter (mL) saline flush syringe
    • Heparin flush (if required per facility protocol)
    • Sharps disposal container
    • Sterile dressing (for accessed ports)

    3. Perform hand hygiene and put on personal protective equipment.

    • Wash your hands thoroughly, then put on sterile gloves and a mask. The aseptic technique is the real MVP here. No shortcuts! 

    4. Assess the client.

    • Inspect the port site for any redness, swelling, or signs of infection. If something looks off, pause and notify the health care provider.
    • Attach the flush syringe to the Huber needle and expel any air by slowly priming the line until saline flows steadily from the needle tip.
    • Cleanse the client’s skin over the port site with CHG, using a back-and-forth and up-and-down motion. Alternatively, you can use an alcohol swab in a circular motion. Give it 30 seconds to dry.

    5. Palpate the port and insert the needle.

    • Locate the port by feeling for the raised septum. It’ll feel like a little dome under the skin.
    • Stabilize the port using the index finger and thumb on your non-dominant hand.
    • Hold the Huber needle at a 90-degree angle and insert it firmly into the center of the septum. You should feel it hit the base of the port. 

    6. Aspirate the syringe for blood return.

    • Pull back on the syringe to confirm blood return, ensuring you properly position the port.
    • If there’s no blood return, troubleshoot before proceeding.

    7. Flush the tubing and secure the port.

    • Use a syringe to flush the port with normal saline (10 mL) using a push-pause technique.
    • Flush with heparin (per facility protocol) if required.
    • If there’s no resistance and you can aspirate blood, congrats — you’ve accessed the port successfully!

    8. Connect the needleless connector.

    • Connect the needleless connector to the end of the tubing (this connector will allow easy access to administer medication or draw blood without having to puncture the port again).
    • Make sure it’s securely attached.

    9. Apply the Biopatch.

    • After connecting the needleless connector, apply a Biopatch over the port site (this antimicrobial dressing will help prevent infection, and you should change it according to facility protocol).
    • Apply skin protectorate.

    10. Stabilize the site.

    • Cover the site with a transparent dressing to keep everything clean and in place. 

    11. Document. 

    • Chart everything, from how the site looked before insertion to how the client tolerated the procedure.

    Port Care and Maintenance

    Keep the port clean and well-maintained to prevent infections and ensure it works properly.

    Here’s how:

    • Dressing changes: Change the gauze dressings every 72 hours and the transparent dressings every seven days.
    • Site inspection: Check for redness, swelling, or signs of infection during every dressing change.
    • Needle changes: Change Huber needles every five to seven days.
    • Infusions: Always confirm correct needle placement before and after administering medications.

    Complications and Troubleshooting

    Even with the best care, complications can still occur with ports.

    Be on the lookout for these issues:

    • Occlusions—Can’t flush? This may mean a blocked port. Try repositioning the client or calling for help.
    • Infection – Redness, swelling, or fever? Notify the provider immediately.
    • Dislodgement – If the catheter has moved, you may hear gurgling during flushing.

    Pros and Cons of Ports

    Ports have their advantages and disadvantages.

    Pros

    • Convenience: A port can stay in place for months, making it easier for clients to receive frequent infusions without multiple needle sticks.
    • Less visible: Because they go under the skin, ports are less noticeable than external catheters like peripherally inserted central catheter (PICC) lines.
    • Reduced risk of infection: There’s a lower chance of infection compared to external catheters.

    Cons

    • Surgical placement: Ports require a minor surgical procedure for placement, which may be uncomfortable or stressful for some clients.
    • Maintenance needs: As mentioned earlier, ports need regular care and maintenance to prevent infections and ensure proper functioning.
    • Cost: A port’s initial cost and placement are typically higher than an external catheter’s.

    FAQs About Port Access

    How often should a port be flushed?

    You should flush a port at least once every 12 weeks to prevent complications, according to recent research. Studies show that extending flush intervals from the usual four to eight weeks to every 12 weeks doesn’t increase the risk of infection or port malfunction.

    Can clients shower with a port?

    Yes. Clients can shower using waterproof dressing starting the day after surgery. After the third postoperative day, they can shower without dressing. However, they should avoid swimming and bathing until the surgical site fully heals.

    What’s the difference between a port-a-cath and a PICC line?

    You implant a port-a-cath under the skin, making it more durable for long-term use. This means it can stay in place for years. In contrast, you place a PICC line in a vein, and it typically stays in for only weeks or months.

    Complete Nursing School with Confidence — The SimpleNursing Way

    Like we said in the beginning, learning how to access a port-a-cath isn’t as intimidating once you break it down into simple, actionable steps.

    At SimpleNursing, we know that mastering hands-on skills like port access is key to becoming a confident nurse. That’s why we provide clear, step-by-step guides, expert tips, and must-know clinical insights to help you succeed.

    Ready to take your skills to the next level?

    Sign up today for exclusive videos, cheat sheets, and everything you need to crush your courses and clinicals.

    Let’s make nursing simple!

    Too much to study?
    We simplify the chaos.
    Less overwhelm, more “aha” moments
    • Proven to cut study time by 60%
    • 99% NCLEX Pass Rate
    • No fluff, just essentials
    • Trusted by 1M+ nursing students

    Nursing students trust SimpleNursing

    Simplenursing student
    I cannot express enough gratitude for Nurse Mike and this wonderful platform he has created. I had a subscription to SimpleNursing the entire 2 years of my nursing school career and… it was the best resource I had available to me. The visuals, the explanations, the memory tricks, the songs, the study guides, and the test questions are brilliant.
    read more
    Simplenursing student
    Before starting nursing school, I was a C-average student. I didn't think I'd be competent enough and make it through my second semester. I was told about SimpleNursing and… purchased it immediately. Long story short, I graduated nursing school with honors and passed all of my classes with As and Bs only. I would have never been able to do that without the help of SimpleNursing. Nurse Mike teaches in the only way that I am able to learn and I cannot thank him enough.
    read more
    Amanda Thomas Headshot

    Education: Bachelor of Arts in Communications, University of Alabama

    Amanda Thomas has over eight years of experience in the healthcare sector as a content writer, copywriter, and grant writer. She has worked with various medical organizations, including hospitals, mental health facilities, and nonprofits. Through her work, she has gained extensive knowledge about the healthcare industry and the role of written communication in improving client care. She’s particularly passionate about promoting mental health awareness. She earned a Bachelor of Arts in Communications from the University of Alabama with a major in Journalism and minors in Creative Writing and English.