Understanding the PSUR Procedure Under Indian Medical Device Rules 2017 for New and Legacy Devices
- Jun 22
- 4 min read
The Post-Market Surveillance and Periodic Safety Update Report (PSUR) process plays a critical role in ensuring the ongoing safety and performance of medical devices in India. Since the implementation of the Indian Medical Device Rules (MDR) 2017, manufacturers and importers must comply with specific requirements for PSUR submission. This blog post explains the PSUR procedure as per the Indian MDR 2017, its applicability to both new and legacy medical devices, and the frequency of reporting. Understanding these aspects helps stakeholders maintain regulatory compliance and safeguard patient health.
What is PSUR and Why It Matters
A PSUR is a detailed report that summarizes the safety and performance data of a medical device after it has entered the market. It provides regulators with updated information on any adverse events, device malfunctions, or other safety concerns that may have emerged during real-world use. The goal is to identify potential risks early and take corrective actions if necessary.
In India, the PSUR requirement under the Medical Device Rules 2017 ensures continuous monitoring of medical devices, supporting public health by minimizing risks associated with device use. This process applies to all medical devices, whether newly introduced or already in use (legacy devices).
Applicability of PSUR Under Indian Medical Device Rules 2017
The Indian MDR 2017 classifies medical devices into four risk classes: A, B, C, and D, with Class A being the lowest risk and Class D the highest. The PSUR requirements vary depending on the device class and whether the device is new or legacy.
New Devices: Devices introduced after the enforcement of MDR 2017 must comply with PSUR submission from the date of their market authorization.
Legacy Devices: Devices already on the market before MDR 2017 came into effect must also comply with PSUR requirements, but the timelines and frequency may differ based on risk class and existing data.
The Central Drugs Standard Control Organization (CDSCO) oversees the enforcement of these rules and provides guidance on PSUR submission.
Frequency of PSUR Submission for Medical Devices
The frequency of PSUR submission depends on the risk class of the device:
Class A Devices: Generally, these low-risk devices require PSUR submission every 2 years.
Class B Devices: Medium-low risk devices require PSUR submission every year.
Class C Devices: Medium-high risk devices require PSUR submission every 6 months.
Class D Devices: High-risk devices require PSUR submission every 3 months.
For new devices, the first PSUR is typically due within 6 months to 1 year after market authorization, depending on the device class. Subsequent reports follow the frequency above.
For legacy devices, manufacturers must submit PSURs based on the risk class and the date of MDR enforcement. If no prior PSURs were submitted, the first report should cover the period since the last report or market authorization.

Caption: Medical device quality control lab where PSUR data is collected and analyzed for regulatory compliance.
Steps Involved in Preparing a PSUR
Preparing a PSUR requires a systematic approach to collect, analyze, and report safety data. The key steps include:
Data Collection
Gather all relevant post-market data, including adverse event reports, complaints, recalls, and field safety corrective actions.
Data Analysis
Evaluate the data to identify trends, new risks, or changes in the benefit-risk profile of the device.
Risk Assessment
Assess whether any new risks require updates to the device labeling, instructions for use, or risk management files.
Report Compilation
Prepare the PSUR document following the format prescribed by CDSCO, including sections on device description, safety data, benefit-risk evaluation, and conclusions.
Submission to Regulatory Authority
Submit the PSUR within the stipulated timelines through the designated online portal or as per CDSCO instructions.
Key Elements to Include in a PSUR
A well-prepared PSUR should contain the following components:
Executive Summary: Overview of the report and key findings.
Device Description: Details about the device, including model numbers and intended use.
Post-Market Data Summary: Summary of adverse events, complaints, and corrective actions.
Benefit-Risk Analysis: Evaluation of whether the benefits continue to outweigh risks.
Conclusion and Recommendations: Any proposed changes or actions to improve safety.
Appendices: Supporting documents such as investigation reports and literature reviews.
Challenges in PSUR Compliance and How to Overcome Them
Manufacturers often face challenges in PSUR compliance, such as:
Data Gaps: Incomplete or inconsistent post-market data can hinder accurate analysis.
Resource Constraints: Smaller manufacturers may lack dedicated teams for surveillance activities.
Changing Regulations: Keeping up with evolving regulatory requirements requires continuous monitoring.
To address these challenges:
Establish robust post-market surveillance systems early.
Use digital tools to track and analyze adverse events efficiently.
Train staff on regulatory updates and PSUR preparation.
Collaborate with healthcare professionals and users to improve data collection.
Practical Example: PSUR for a Class C Legacy Device
Consider a Class C legacy medical device used in hospitals for patient monitoring. Since it is a medium-high risk device, the manufacturer must submit PSURs every 6 months.
The first PSUR after MDR 2017 enforcement covers data from the last 12 months.
The manufacturer collects adverse event reports from hospitals, analyzes trends, and identifies a slight increase in sensor malfunctions.
The PSUR recommends enhanced user training and updates to the device manual.
The report is submitted to CDSCO within the 6-month deadline, ensuring compliance and patient safety.
Importance of PSUR in Patient Safety and Regulatory Compliance
PSURs provide a continuous feedback loop between device manufacturers, healthcare providers, and regulators. This process helps:
Detect new or rare adverse events early.
Update device instructions and warnings.
Support regulatory decisions on device approval or withdrawal.
Build trust among healthcare professionals and patients.
Manufacturers who maintain timely and accurate PSUR submissions demonstrate their commitment to quality and safety, which can enhance their market reputation.




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