Tampa Foot Cryosurgery

CryOzone Plus Procedure – Regenerative Neuroma and Heel Pain Foot Cryosurgery Treatment
A natural multi-modality approach for long-term relief

Out of State Patients – Get Information and Answers to your Common Questions

What Your CryOzone Plus Treatment Includes:

  • Foot Cryosurgery Procedure for Healthy Nerve and Heel Tissue Regeneration – Natural nerve and heel treatment, under ultrasound guidance, followed by regenerative medicine techniques for healing and new normal nerve growth
  • Pneumodissection – Freeing of the nerve and scar tissue from surrounding tissue utilizing ozone gas. Allows for decompression of the nerve and protects surrounding tissue from cold temperatures.
  • Prolozone – Regeneration and healing through use of high oxygen levels
  • PRP – Regeneration and healing through use of platelets and growth factors


You deserve advanced pain relief. You may have been experiencing pain in your feet and have exhausted all conservative options. Your doctor has told you that traditional surgery is your next option and that concerns you after seeing some of the results. Foot Cryosurgery is an excellent minimally-invasive option for you so that you may avoid traditional surgery that can have greater complications and less than desirable outcomes.

Dr. Brennan & Dr. Krawetz pride themselves on compassion and concern for all patients. With training by Dr. Katz, whom was the first Cryostar certified Cryosurgeon in the Tampa Bay Area, Dr. Brennan & Dr. Krawetz are able to provide relief for neuroma or heel pain with cryosurgery. Due to his expertise in Foot Cryosurgery and innovative approach, Dr. Katz, has been chosen by Cryogenic Technology as one of the few Podiatrists in the US to train other Physicians, specifically Dr. Brennan & Dr. Krawetz.

We are not part of a large group so we can provide each patient with individualized attention. Each patient gets to spend quality time with Dr. Brennan or Dr. Krawetz so that they may truly understand their problem and treatment options.

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CryoMax versus ordinary cryosurgery?

Cryosurgery has been performed on the foot for many years. In its early days, there was no ultrasound guidance. An incision was made and the probe was placed through the tiny incision to the area where there was the most pain. The procedure was then performed in that area. The results were decent at best and not very reproducible. Most of the doctors that perform cryosurgery today perform it in this manner. With better visualization so easily achieved with high powered color ultrasound, Dr. Brennan & Dr. Krawetz prefer their method over the blind procedure, and black and white ultrasound. Dr. Brennan & Dr. Krawetz call the procedure CryoMax. Dr. Katz developed this advanced foot cryosurgery technique, and it has been refined over many years performing thousands of procedures. Because of this he has been able to train Dr. Brennan and Dr. Krawetz to perform the same procedure with high satisfaction rates. Dr. Brennan & Dr. Krawetz are now part of the small contingent of podiatrists in the US that can offer you this advanced relief for your foot pain.

CryoMax is a much more precise procedure done with the aid of an ultrahigh resolution magnifying digital ultrasound capable of Doppler visualization of blood vessels. The nerves are identified in close proximity to the vessels. When CryoMax is performed, the Cryosurgeon is looking directly at the structures that he is freezing and can actually measure the area of nerve tissue that is frozen. There is little doubt what is being frozen and whether the probe is in the correct area. Without Doppler Ultrasound, the procedure is done blindly. The percentage of success is much higher with color ultrasound guidance than without it. The general public needs to understand that because of the cost of proper training, equipment and market pressures, many doctors perform the procedure blindly and have had little to no training. To date, Dr. Brennan & Dr. Krawetz are the only nerve cryosurgeons performing the CryoMax technique in the State of Florida and one of the few in the United States. If you are going to have the procedure done, wouldn’t you prefer to have it done correctly to maximize the pain relief?

Dr. Brennan & Dr. Krawetz received additional advanced training from Marc Katz, DPM. Dr. Katz is currently one of the foremost authorities on Foot Cryosurgery for pain relief. Dr. Brennan & Dr. Krawetz have adopted his specialized technique and continue to provide relief to their patients with even greater success. They feel fortunate to be one of the few Podiatrists in the US performing this advanced technique.

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CryoMax: The Procedure

You can have maximum foot and heel pain relief with the advanced CryoMax foot cryosurgery procedure using high power ultrasound guidance. Maximum relief is obtained with minimal discomfort and minimal down-time. Complications are far less than traditional surgery.

The procedure is minimally invasive and takes approximately 15 minutes to perform. Effective treatments are available for neuroma pain. In a typical in-office procedure, Dr. Brennan & Dr. Krawetz use a high power ultrasound and in some cases a neuro-stimulator feature to locate the nerve and structures more easily. This is a more advanced method providing better results. Dr. Brennan & Dr. Krawetz are one of the few Podiatrists that use this foot cryosurgery and cryozone plus specialized technique for maximum relief.

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The Cryostar Freezing Device

First, a local anesthetic is used so that the probe can be introduced without discomfort. A puncture just large enough for the probe to easily pass through is made through the skin. The probe is inserted through the puncture site to the nerve site or tissue site. Following nerve or tissue location with the ultrasound, the freeze cycles are then initiated. Upon completion of the freeze cycles, the probe is removed. An antibiotic ointment is placed over the puncture site followed by a sterile dressing. Sutures are not necessary due to the small size of the puncture. The dressing may be removed within the first 3 days and a shower is then permitted. Postoperative discomfort is minimal. It is suggested that you decrease your normal level of activity for 2-6 weeks.