In a number of the studies in common theme in purchasing behaviour of the doctor’s intention that focus on the need of the product usage in the ICU, Operating room. In this paper effort has been made to identify much surgical equipment for only the doctor’s purpose in purchasing medical devices and to analyses the same. A thorough set of hypotheses was proposed, and a technique for testing them was described, based on the existing literature review and framework model. The sample is based on the major cities of Southern Districts of Tamil Nadu respondents. Probability sampling has been used. The study has done about the class III surgical equipment such as , intravenous medications usage of infusion pumps, implantable pacemakers and breast implants, Anaesthesiology, Urology and Plastic Surgery and so on. The results are based on valid 387 responses out of 450, SPSS version 2.1 software. The Price, potential value, and doctor’s intention to purchase the class III medical devices had that there is significant difference between the doctor’s profile, according to the study's findings. The final result demonstrates that Brand Image has the highest value, indicating that when purchasing the Class III, doctor’s choose brand image and lifelong usage over safety to the patients has been used to analyze the results. A larger sample size can be used to obtain more accurate results. This investigation is limited to only the southern Region of Tamil Nadu but future investigations could include other states. It is advantageous to the sales division of the business as well as different distributors that are associated with it. The policymakers and strategy makers of the manufacturing firm will benefit greatly from this study.

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Keywords: Purchase Behaviour, Medical Equipment, Surgical Devices, Doctors’ Intention.