PACS Data Retention via Originating Source Tagging
Solution Overview
Problem
In multiple-node Picture Archiving and Communication Systems (PACS) networks, there is no adequate means to verify if a medical imaging study is safely stored elsewhere before deletion, leading to potential data loss and storage space issues due to the lack of assurance for study, series, image, and object persistence and availability.
Innovation Solution
A system and method are implemented with primary and secondary network nodes, where the secondary node includes a data protection module to determine if the primary node is the originating source of the image data, and if so, includes a data retention attribute in the metadata, enforcing retention to prevent deletion on the secondary node.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If image data is transmitted and stored across multiple PACS nodes, then data availability and sharing between health-care professionals is improved, but data integrity and deletion safety cannot be ensured
Solution Approach 1:
The system performs preliminary identification of the originating source PACS node before data transmission occurs. The data protection module examines metadata to determine which PACS node is the original source, and preemptively sets deletion protection flags on receiving nodes to prevent accidental deletion of critical data copies.
Solution Approach 2:
The data protection module acts as an intermediary between the transmitted image data and the receiving PACS node's storage system. It intercepts the data flow, analyzes metadata to identify the originating source, and inserts deletion protection mechanisms that mediate between the data and potential deletion operations.
2Ease of operation
If manual deletion of image studies is performed to conserve storage space, then storage management is simplified, but data loss may occur due to lack of verification
Solution Approach 1:
The system enables self-service deletion protection by automatically examining metadata and determining the originating source PACS node. The data protection module autonomously applies deletion protection flags without requiring manual verification, allowing storage management to proceed easily while preventing data loss through automated intelligence.
Solution Approach 2:
The system implements feedback mechanisms where the data protection module continuously monitors deletion requests against the metadata information about originating sources. When a deletion request is received, the system feedbacks information about the originating source to determine whether deletion should be permitted, creating a closed-loop control system.
3Manufacturing precision
If duplicate image studies are prevented by requiring unique identifiers, then data quality is improved, but retransmission becomes necessary when deletion is required
Solution Approach 1:
The system introduces dynamic deletion protection that can be applied selectively based on the originating source identification. Rather than static duplicate prevention rules, the data protection module dynamically determines whether deletion protection should apply by examining metadata and identifying the originating PACS node, allowing flexible management of unique identifiers and retransmission needs.
Data Source
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AI summary
A system and method for managing the archival and retention of data in a multiple-node PACS network (100). Data is distributed among network nodes such that a secondary node (130) will not delete a received image study it has received from a primary node (120) if the primary node (120) is an originating source. Instead, the secondary node (130) will execute data retention. Data retention is achieved by including a delete retention attribute within the metadata associated with the received image data on the secondary node (130) and requiring that the secondary node (130) enforce data retention if a data retention attribute is identified within the metadata stored on the secondary node (130).