INTRODUCTION
In modern healthcare, the Chemo Port (Implantable port or Port-a-Cath), as a long-term vascular access device, is widely used in patients who require frequent infusion, chemotherapy, blood transfusion or nutritional support. It not only improves patients’ quality of life, but also reduces the pain of repeated puncture and the risk of infection. In this article, we will delve into the definition, specifications, structure, types, advantages and how to choose the right one to help you fully understand this important medical device.
I. What is a Chemo Port?
A Chemo port, also known as a Port-a-Cath or infusion port, is a medical device placed under the skin to facilitate long-term intravenous therapy. It consists of a small reservoir (port) connected to a catheter that is inserted into a large vein, usually in the chest. The port allows easy access for medication administration, chemotherapy, fluid infusion, and blood draws, eliminating the need for repeated needle sticks.
The chemo port is typically made of biocompatible materials such as titanium or plastic with a self-sealing silicone septum. Healthcare professionals can access the port using a special non-coring Huber needle, reducing discomfort and minimizing infection risks compared to traditional IV catheters.
The main uses of chemo ports include:
1. infusion of long-term chemotherapy drugs
2. parenteral nutritional support
3. frequent transfusion or blood collection
4. antibiotic therapy
5. pain management
Specifications and structure of the Chemo port (Port-a-Cath)
1. Specifications
The specifications of Chemo ports are usually categorized according to the following parameters:
- Size: the diameter of the injection seat is usually 2-3 centimeters and the thickness is about 1 centimeter
- Capacity: the volume of the injection seat lumen is usually 0.5-1.5 mL
- Catheter size: commonly used size is 6-10 French
- Catheter length: 20-90 cm depending on the implantation site.
2. Structural components
The implantable port is mainly composed of the following parts:
1. Injection seat:
– Made of titanium alloy or plastic
– Silicone diaphragm at the top, which can withstand more than 2000 punctures.
– The bottom has a catheter connection port
2. Catheter:
– Made of silicone or polyurethane
– Antithrombotic and anti-infective properties
– It may have a flap design at the end.
3. Fixing device:
– Used to secure the injection holder and catheter
– Prevents displacement and dislodgement
Types of implantable ports (Chemo Ports)
According to different classification criteria, implantable ports can be divided into the following types:
1. Classification by material
- Titanium alloy injection holders:
– Advantages: high strength, MRI compatible
– Disadvantages: Higher price
- Plastic injection holders:
– Advantages: lower price, lighter weight
– Disadvantage: less MRI compatible
2. Catheters are categorized by the location of the catheter end.
- Central venous type:
– Catheter ends in the superior vena cava
– Suitable for most conditions.
- Peripheral Vein Type:
– Catheter ends in peripheral vein.
– Suitable for short-term use
3. By Function
- Single Lumen:
– Single access for routine therapy
- Double Lumen:
– Two independent channels for simultaneous infusion of different drugs.
Advantages of implantable port (Chemo Ports)
1. Long-term use:
– Can be left in place for several years, reducing repeated punctures
– Suitable for patients who need long-term treatment
2. Low risk of infection:
– Fully implanted in the body, reducing the chance of infection
– Significantly lower infection rate compared to peripheral venous catheters
3. Improved quality of life:
– No interference with daily activities, can take a shower normally
– Privacy with a discreet appearance
4. Reduce complications:
– Reduced risk of phlebitis, drug extravasation, etc.
– Reduce vascular damage
5. Economic:
– Lower cost of long-term use than repeated catheterization
– Reduce hospitalization time and related costs
6. Lower maintenance needs
- Unlike external central lines, implantable ports require less frequent dressing changes and care.
7. Enhanced drug delivery
- Ensures direct access to large veins, improving medication absorption and reducing vein irritation.
V. How to choose an appropriate implantable port (Chemo Ports)
Selecting the most suitable implantable port depends on several factors:
- Medical Condition:
- Single-lumen ports suffice for standard chemotherapy, while double-lumen ports are better for patients requiring simultaneous drug infusions.
- Power-injectable ports are recommended for patients undergoing frequent contrast-enhanced imaging.
- Material and MRI Compatibility:
- Patients with metal allergies should opt for plastic ports.
- MRI-compatible titanium ports are preferred for patients requiring regular imaging scans.
- Port Size and Placement:
- Consider the patient’s body size and the desired location for port placement (chest vs. arm).
- Smaller ports may be preferable for pediatric patients or individuals with lower body fat.
- Frequency of Use:
- If frequent blood draws or infusions are required, a double-lumen or power-injectable port is beneficial.
- Healthcare Provider Recommendation:
- Consulting with a physician or oncologist ensures the port type aligns with the patient’s treatment plan and lifestyle.
VI. Considerations when purchasing an implantable port (Chemo Ports)
1.Brand and manufacturer
Choose reputable manufacturers with FDA, CE, or ISO13485 certifications to ensure quality and safety.
2.Biocompatibility
Ensure the materials used (titanium, silicone, or plastic) are biocompatible and reduce the risk of allergic reactions.
3.Sterility and packaging
The port should be pre-sterilized and sealed in tamper-proof packaging to minimize infection risks.
4.Port visibility and identification
Some ports come with identification markers or embedded radiopaque features for easy recognition during imaging scans.
5.Needle Compatibility
Ensure the port is compatible with standard Huber needles for easy and secure access.
6.Pricing and cost-effectiveness
While budget constraints may exist, prioritize quality and durability to prevent frequent replacements or complications.
7. User reviews and clinical feedback
Consider feedback from healthcare professionals on the reliability and performance of different port brands.
8. Training support:
Ensure that the supplier provides professional training on the use of the product.
Understand product maintenance and troubleshooting guidelines.
Features of implantable port (Chemo Ports) provided by Shanghai Teamstand Corporation
The capsular bag with a streamlined front-end design allows a smaller cut.
The three – point port with sutural pore design makes it more stable.
Anti-folding connection lock.
The polysulfone port is lighter, with foreign body sensation.
Easy to implant. Easy to maintain.
Intended to reduce complication rates.
MR Conditional up to 3-Tesla.
8.5F Radiopaque CT marking embedded into port septum for visibility under x-ray.
Allows for power injections up to 5mL/sec and 300psi pressure rating.
Compatible with all power needles.
Radiopaque CT marking embedded into port septum for visibility under x-ray.
Conclusion
As an advanced medical device, implantable ports (Chemo Ports) provide a safe and convenient solution for patients requiring long-term intravenous therapy. By understanding the specifications, construction, types and benefits of infusion ports, patients and healthcare teams can make more informed choices. Due consideration of patient needs, product quality and vendor service during purchase and use will help ensure treatment outcomes and patient safety. As medical technology continues to advance, the design and functionality of implantable ports will continue to be optimized for a better patient experience.
When purchasing an implantable port (Chemo Ports), ensure it meets safety standards, is biocompatible, and is compatible with necessary accessories. With proper selection and care, implantable ports (chemo ports) can significantly improve quality of life for patients requiring extended IV access.
By following this comprehensive guide, patients and medical professionals can make informed decisions about the most suitable implantable port (Chemo port) for long-term intravenous treatment.
Post time: Mar-31-2025