FHIR Resource Sanitizer Operator

Authors: Holoscan SDK Team (NVIDIA)
Supported platforms: x86_64, aarch64
Language: Python
Last modified: March 9, 2026
Latest version: 1.1
Minimum Holoscan SDK version: 2.0.0
Tested Holoscan SDK versions: 2.5.0, 3.3.0
Contribution metric: Level 2 - Trusted

A Holoscan operator that processes and sanitizes FHIR medical records into a standardized, AI-friendly format while maintaining essential medical information.

Overview

The FHIR Resource Sanitizer Operator is designed to transform raw FHIR (Fast Healthcare Interoperability Resources) medical records into a more standardized format suitable for AI processing. It handles various FHIR resource types including Patient, Observation, Condition, DiagnosticReport, ImagingStudy, and more, while implementing robust error handling and logging mechanisms.

Requirements

• holoscan
• fhir.resources
• pydantic

Example Usage

Please check fhir_client.py in Generative AI Application on Holoscan integrating with FHIR Services.

Name Input/Output

• Input: records: A FHIRQueryResponse object containing patient medical records

• Output: out: A sanitized FHIRQueryResponse object with standardized medical records

Parameters

• fhir_endpoint (str): FHIR service endpoint URL (default: "http://localhost:8080/")

API Reference

Python

FhirResourceSanitizerOp

Inherits from: Operator

Named inputs: requests: a FHIRQueryResponse object

Methods

Method	Description
__init__(fragment)	An operator that queries FHIR service based on information received via
setup(spec)
compute(op_input, op_output, context)	Sanitizes a given FHIR resource.