Tumor treatment in dogs and cats is changing.
For many years, surgery has been one of the most common options for managing solid tumors in small animals. In many cases, it is still essential. But not every patient is a good surgical candidate. Some animals are older. Some have heart, lung, liver, or other systemic conditions. Some tumors are difficult to remove completely. And sometimes, recurrence or multiple lesions make the clinical decision more complex.
This is where veterinary microwave ablation becomes an important topic for animal hospitals and veterinary oncology teams.
It is not a replacement for every treatment. It is not suitable for every tumor. But for selected dog and cat tumor cases, microwave ablation can provide veterinarians with another minimally invasive option.
What Is Veterinary Microwave Ablation?
Veterinary microwave ablation is a minimally invasive tumor treatment method that uses high-frequency electromagnetic energy.
The principle is direct and practical. Microwave energy is released through an ablation needle into the tumor tissue. Under the action of a high-frequency magnetic field, polar molecules in the tissue, mainly water molecules, rotate rapidly and generate heat. When the temperature rises above 60°C, tissue dehydration, coagulation, protein denaturation, and irreversible necrosis may occur.
In simple terms, the system helps create a controlled thermal ablation area inside the target tissue.
For veterinarians, the key word is control.
Controlled energy.
Controlled needle placement.
Controlled treatment time.
Controlled clinical workflow.
Why Microwave Ablation Matters in Dog and Cat Tumor Care
Dogs and cats are living longer, and tumor cases are becoming more common in clinical practice. Owners are also more willing to explore advanced treatment options when their pets face cancer or solid tumors.
However, small animal tumor treatment is rarely simple.
A dog with a solid tumor may not tolerate a major operation. A cat with a recurrent lesion may need a more careful local treatment plan. A senior patient may have anesthesia risk. A tumor near important structures may require more precise planning.
According to Dawei’s product information, animal tumor microwave ablation may be considered for solid tumors that cannot be surgically removed due to heart, lung, liver function, or other reasons. It may also be considered for tumors that cannot be completely removed by surgery, metastatic cancer foci, postoperative recurrence, multiple cancer foci, palliative treatment for advanced disease, or cases where other therapies are ineffective or have failed.
That makes it especially relevant for veterinary clinics looking to expand their oncology treatment options.
Is Microwave Ablation Suitable for All Dog and Cat Tumors?
No.
This point should be clear in any veterinary medical discussion. Microwave ablation is a minimally invasive technique, but it still involves puncture, needle placement, imaging guidance, and clinical judgment.
Dawei’s product manual notes that certain situations require caution or may not be suitable, especially liver tumor cases with ascites, poor coagulation function, large tumor volume, unclear margins, or lesions close to important blood vessels, gallbladder, diaphragm, or intestinal tract.
So the real question is not:
“Can microwave ablation treat all tumors?”
The better question is:
“Which selected tumor cases may benefit from a minimally invasive thermal ablation approach?”
Veterinarians should evaluate the animal’s overall condition, tumor location, tumor size, imaging results, coagulation status, anesthesia plan, and expected treatment goal.
Ultrasound-Guided Use Is an Important Part of the Workflow
Microwave ablation is not performed blindly.
For dog and cat tumor cases, accurate positioning is essential. The veterinarian needs to understand where the lesion is, where the ablation needle should go, and how to avoid unnecessary damage to surrounding tissue.
It connects diagnosis with treatment. It also connects your existing veterinary ultrasound products with the AMA-100 microwave ablation system.
For clinics, the complete workflow may include:
Initial ultrasound examination.
Tumor location assessment.
Needle path planning.
Image-guided needle placement.
Microwave energy delivery.
Post-ablation evaluation and follow-up.
This makes microwave ablation part of a broader veterinary oncology solution, not just a single machine.
Key Features Veterinarians Should Evaluate
When choosing a microwave ablation system for dog and cat tumors, veterinarians should not only ask about price.
They should look at the full clinical value of the device.
1. Adjustable Output Power
Different cases may require different treatment settings. A small lesion, a sensitive location, or a larger target area may require different energy delivery strategies.
The Dawei AMA-100 supports microwave output power from 1 to 100W, continuously adjustable. Its microwave working frequency is 2450 MHz ±30 MHz.
For clinical use, adjustable power helps the veterinarian match treatment parameters to the case plan.
2. Multiple Ablation Modes
The Dawei system includes Full Ablation, Burst Ablation, and Soft Ablation. Full Ablation uses continuous wave output. Burst Ablation uses intermittent output at about 40% to 60% of the set power. Soft Ablation uses pulse or intermittent output at about 20% to 40% of the set power.
This provides more flexibility in treatment workflow.
Some cases may need continuous output. Others may benefit from a softer or intermittent approach. The final choice should depend on the veterinarian’s clinical judgment and treatment protocol.
3. Ablation Needle Compatibility
The ablation needle is central to the procedure. It is the channel through which microwave energy reaches the target tissue.
The Dawei AMA-100 is compatible with the 16G160150L microwave ablation needle. The needle size is Φ1.6 × 150 mm, and the usage power is ≤60W.
For dog and cat tumor applications, clinics should confirm needle size, needle length, compatible power, consumable availability, and replacement cost.
4. Temperature Monitoring
Temperature monitoring is also important.
The Dawei system includes needle rod temperature monitoring from 0°C to 45°C. When the needle rod temperature exceeds 45°C, the host stops microwave output.
This helps support safer operation during the treatment process.
5. Cooling Circulation
Microwave ablation produces heat. Therefore, cooling circulation is not a small detail.
Dawei’s manual states that before performing ablation treatment, the operator should first turn on the cooling water pump switch. Ablation should begin only after the cooling water circulates sufficiently.
The system structure includes the host, microwave output cable, microwave ablation needle, cold circulation water pipe, foot pedal switch, and power cord. The host includes components such as microwave source, control system, touchscreen, peristaltic pump, cooling medium container holder, and power supply.
For clinics, this means the device should be evaluated as a complete system.
Operation Should Be Simple Enough for Clinical Workflow
A veterinary tumor treatment device must be advanced, but it cannot be too complicated for daily clinical use.
The Dawei system has a touchscreen interface showing treatment time, ablation mode, output power, operating time or remaining time, cumulative time, cumulative count, ablation needle status, antenna temperature, pump start, and start/stop controls.
It also supports foot pedal start/stop and hand control start/stop. In foot pedal mode, microwave output time is controlled by stepping on and releasing the foot pedal switch. In hand control mode, output and stop are controlled through the touchscreen.
That matters.
During a procedure, veterinarians need to focus on the animal, the imaging screen, the needle position, and the device status. A clear interface and practical control methods can make the workflow easier.
Training and Support Should Not Be Ignored
A microwave ablation system is not a simple plug-and-play product.
Veterinarians need product training. They need to understand the interface, cooling setup, needle connection, parameter setting, image-guided workflow, safety precautions, and after-use handling.
Dawei’s manual states that the manufacturer or technical support unit can provide product usage training according to the contract agreement. The host is warranted for one year, and lifetime paid repair is available.
For distributors and animal hospitals, this is also a selling point.
A machine is hardware.
Training turns it into a usable clinical solution.
What Clinics Should Ask Before Buying
Before purchasing a veterinary microwave ablation system for dog and cat tumors, clinics can ask these questions:
Is the system suitable for small animal tumor treatment?
What is the adjustable power range?
Which ablation needle is compatible?
Is the needle disposable?
Does the system support ultrasound-guided use?
How many ablation modes are available?
Does it include temperature monitoring?
How does the cooling circulation system work?
Is operation controlled by touchscreen, foot pedal, or both?
What training does the manufacturer provide?
What after-sales support is available?
These questions help clinics evaluate the system from a real clinical-use perspective.
Dawei AMA-100 for Veterinary Tumor Ablation
The Dawei AMA-100 Veterinary Microwave Ablation System is designed for animal tumor microwave ablation applications.
It is a desktop model with a single microwave source and intelligent temperature measurement. The product information lists its dimensions as 350 × 350 × 220 mm, weight as 15 kg, and power consumption as <500 VA.
For veterinary hospitals, pet clinics, veterinary oncology departments, and research institutions, the system can be positioned as part of a minimally invasive animal tumor treatment solution.
Its value is not only in the generator. It is in the combination of adjustable power, compatible ablation needle, cooling circulation, temperature monitoring, image-guided workflow, and training support.
Conclusion
Microwave ablation for dog and cat tumors gives veterinarians another option for selected tumor cases.
It may be especially meaningful when surgery is not ideal, when complete surgical removal is difficult, when recurrence occurs, or when palliative local treatment is being considered. Still, case selection is essential. Not every tumor is suitable. Not every animal is suitable.
For veterinary clinics considering this technology, the right system should be evaluated by its clinical workflow, not only by its specifications.
Power matters.
Needle design matters.
Ultrasound guidance matters.
Training matters even more.
The future of veterinary oncology will not depend on one treatment method alone. It will depend on better diagnosis, better planning, and more treatment options for animals that need careful, individualized care.
Post time: Sep-10-2026