Surgical Video Recorder MPEG-2 Encoding and Dual-Bus Architecture
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Solution Overview
Problem
Current technologies for documenting surgical procedures lack efficient methods for contemporaneous recording and archiving of video and audio data in a format compatible with multiple standards, leading to equipment downtime and limited accessibility in surgical suites, with existing solutions often requiring specialized equipment and not addressing the need for real-time data availability and user-friendly interaction.
Innovation Solution
A device that encodes video and audio signals into an MPEG-2 layer stream, allowing for simultaneous recording and display in multiple formats, with a touch-screen interface for user control, and the ability to save still images, featuring a multimedia interface that processes signals into a transportable documentary recording file, enabling real-time feed to multiple devices and easy access during standby or malfunction modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If digital images are extracted from memory for archiving, then archiving is achieved, but equipment downtime occurs and efficiency is reduced
Solution Approach 1:
The system performs preliminary actions by continuously writing data to both volatile memory and non-volatile storage media simultaneously during the surgical procedure. This ensures that when the procedure ends, data is already archived and ready for immediate retrieval, eliminating the need for post-procedure data extraction and avoiding equipment downtime.
Solution Approach 2:
The recording system operates continuously throughout the surgical procedure, maintaining uninterrupted data capture and simultaneous archiving. The system keeps the data stream active and flowing to multiple destinations (memory, hard drive, optical media) without pause, ensuring continuous availability of recorded data without requiring equipment shutdown or data transfer interruptions.
2Manufacturing precision
If specialized imaging equipment is used to produce high-definition medical images, then image quality is improved, but compatibility with standard displays is lost
Solution Approach 1:
The system is designed with multi-functionality to output video signals in multiple standard formats (NTSC, PAL, SECAM) simultaneously. The recording apparatus can convert and encode high-definition medical images into various standard television formats, allowing the same equipment to serve both high-quality medical imaging and universal display compatibility across different regions and devices.
Solution Approach 2:
The system changes the parameters of the video signal (resolution, frame rate, color encoding) to match different display standards. By dynamically adjusting these parameters, the system maintains high image quality while adapting to various display requirements, enabling compatibility with standard NTSC and PAL displays without sacrificing the capabilities of specialized imaging equipment.
3Area of stationary object
If equipment is vertically stacked in shelves to conserve space, then space utilization is improved, but user access to control panels is limited
Solution Approach 1:
The system incorporates a movable touchscreen display that can dynamically adjust its position and orientation. The display can extend outward from the vertically stacked equipment shelf, allowing users to easily access and interact with the control interface without requiring horizontal space. This dynamic positioning maintains compact vertical stacking while providing convenient user access during operation.
Data Source
AI summary
A video recording and image capture device for documenting surgical procedures that includes a main board for executing a plurality of software, a multimedia interface operable to receive a video signal and process it into an MPEG layer stream, the video interface connected on a first bus to the main board, a hard drive to record an MPEG layer stream as a file, an optical media drive to write an MPEG layer stream as a file, the hard drive and the optical media drive operably connected on a second bus, the bus being vertically stacked and connected to the main board, and a touchscreen interactive for user control, connected to the main board on a second bus to control the video interface.