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Patented ThermAssure™ technology ensures patient safety and warming efficacy.

THERMASSURE FABRIC

Breakthrough ThermAssure conductive fabric technology provides uniform and accurately controllable heating in every HotDog blanket. Patented ThermAssure fabric represents a major leap forward in conductive fabrics, and HotDog is the only patient warming system that utilizes this advanced technology.

SAFETY

Several safety features in HotDog warming blankets ensure maximum safety for patients and clinicians. ThermAssure fabric produces uniform, controllable, and effective heating to the benefit of the hypothermic patient. Arrays of temperature sensors communicate with a microprocessor in the HotDog controller unit to ensure proper operation. If a blanket is cut or punctured during use, there is absolutely no risk of shock or spark to the patient or the clinician, due to the isolated, low voltage, floating current.

Also, unlike forced-air, conductive fabric warms air-free, which eliminates the risk of forced-air laminar flow disruption and airborne contamination of the sterile surgical environment.

EFFICACY

Peer-reviewed studies show HotDog patient warming delivers effective warming results. But in addition to the clinical research, HotDog patient warming has maintained normothermia in tens of thousands of patients - an number growing exponentially by the day!

CLINICAL RESEARCH

All clinical research shows that Hot Dog warming is equal to FAW in efficacy.

Kimberger O, et al. Resistive polymer versus forced-air warming: Comparable heat transfer and core rewarming rates in volunteers. Anesth Analg 2008; 107: 1621-26
The full body Hot Dog blanket was compared with the full body Bair Hugger blanket in re-warming anesthetized hypothermic volunteers in a controlled cross-over study. The warming rates of the two technologies were virtually identical.

Brandt S, Kimberger O, et al. Resistive-Polymer Versus Forced-Air Warming: Comparable Efficacy in Orthopedic Patients. Anesth Analg 2010; 110:834-8.
80 elective orthopedic surgery patients were randomized to upper-body FAW (Bair Hugger) or resistive polymer warming (Hot Dog) upper body blanket during surgery. The warming rates were comparable for the two groups. No differences in mean skin and mean core temperatures. The waste heat from the FAW also caused the environment of the anesthesiologists workspace to be 1.8°C warmer in the FAW group. "Resistive polymer warming performed as efficiently as FAW in patients undergoing orthopedic surgery."

Ayers P, et al. Reducing perioperative hypothermia in anesthetized patients. Accepted for publication in Veterinary Anesthesia and Analgesia
A veterinary study at Iowa State University. Twenty-eight dogs were treated either with Hot Dog warming above and below or a Bair Hugger blanket above and a water mattress below. 85.7% of the Hot Dog treated dogs were normothermic (normal temperature) at the end of surgery. Only 14.3% of the Bair Hugger treated dogs were normothermic at the end of the surgery.

Nguyen H, Kimberger O, et al. A New Underbody Resistive Warming Device vs. Forced Air Warming To Prevent Perioperative Hypothermia. A087. Accepted for presentation at the American Society of Anesthesiologists Annual Meeting, October 2010.
24 elective orthopedic surgery patients were randomized to upper-body FAW or resistive polymer warming (Hot Dog) with combined upper body blanket and underbody mattress during surgery. The warming results were nearly identical for the two groups. "The efficacy of resistive polymer warming with the Hot Dog resistive warming system was not inferior to an established FAW system in patients undergoing elective orthopedic surgery."


Other clinical studies are in progress in the Netherlands, France and the US. In addition, Hot Dog warming has been used clinically on a daily basis in both Europe and in the US for nearly three years, resulting in extensive clinical feedback. These clinical trials and daily use have uniformly shown Hot Dog to be as effective as FAW, the current industry standard.


A number of other studies have been published showing that the effectiveness of conductive fabric warming is equal to FAW:

1. Perl T, et al. Comparison of forced-air warming and resistive heating. Minerva Anestesiol 2008; 74: 687-90

2. Matsuzaki Y, et al. Warming by resistive heating maintains perioperative normothermia as well as forced air heating. Br J Anaesth 2003; 90: 689-91

3. Camus Y, et al. Prevention of hypothermia by cutaneous warming with new electric blankets during abdominal surgery. Br J Anaesth 1997; 79: 796-97

4. Camus Y, et al. Leg warming minimizes core hypothermia during abdominal surgery. Anesth Analg 1993; 77: 995-99

5. Pathi V, et al. The benefits of active rewarming after cardiac operations: A randomized prospective trial. J Thor CV Surg 1996; 111: 637-41

6. Fanelli A, et al. The efficacy of a resistive heating under-patient blanket versus a forced-air warming system: A randomized controlled trial. Anesth Analg 2009; 108: 199-201

7. Wong P, et al. Randomized clinical trial of perioperative systemic warming in major elective abdominal surgery. Br J Surg 2007; 94: 421-426

8. van der Horst M, et al. Preoperative warming reduces the incidence of hypothermia in total hip and knee replacement surgery under spinal anesthesia. Abstract presented Dutch Anesth Soc. 2009

9. Kober A, et al. Effectiveness of resistive heating compared with passive warming in treating hypothermia associated with minor trauma: A randomized trial. Mayo Clin Proc 2001; 76: 369-75

10. Negishi C, et al. Resistive-heating and forced-air warming are comparably effective. Anesth Analg 2003; 96:1683-7

11. Ng V, et al. Comparison of forced-air warming and electric heating pad for maintenance of body temperature during total knee replacement. Anaesthesia 2006; 61: 1100-04

12. Engelen S, et al. Resistive heating during off-pump coronary bypass surgery. Acta Anaesth Belg 2007; 58: 27-31

13. Sheck T, et al. Active warming of critically ill trauma patients during intrahospital transfer: A prospective, randomized trial. Wien Klin Wochenschr 2004; 116: 94-97