Secondhand Nellcor Bedside Console Type Pulse Oximeter

Objective AI Report

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Report date: 11.12.2025

Covidien Nellcor PM100N Bedside SpO2 Patient Monitoring System Analysis Report

Device Detection and Identification

The device in the examined images is a desktop-type pulse oximeter and patient monitor intended for medical use. The device is a professional medical equipment that measures blood oxygen saturation (%SpO2) and pulse rate (bpm), displaying the data with graphical and numerical values on a color screen.

Brand and Model Information

In the images, the “COVIDIEN” logo and “Nellcor” inscription are clearly visible on the front of the device. Considering the device’s unique casing structure, the vertically arranged control panel on the right side (orange, green, blue buttons, and white rotary knob), and the screen interface, the brand and model of this device are as follows:

• Brand: Covidien (with Nellcor technology)
• Model: PM100N Bedside SpO2 Patient Monitoring System

Applications

This device is suitable for use in a wide range of patients, from neonates to adults. It is used in hospital wards, intensive care units, post-operative care, home healthcare services, and sleep laboratories to continuously or instantly monitor the patient’s oxygen level and heart rhythm. The product in the images is a standalone independent monitoring unit.

General Condition and State

The device is generally in a clean and used condition. Its casing maintains its integrity. No significant breaks, cracks, or dents have been detected on its external plastic components.

Physical Deformation Examination

• Top Panel: On the device’s dark blue glossy top surface (where the carrying handle is located), there are slight superficial scratches and fingerprint smudges, discernible from light reflection, due to use. This is a cosmetic detail that will not affect the device’s functionality.
• Side and Bottom Casing: The white bottom casing appears clean. No discoloration or yellowing has been observed.
• Connector Areas: No signs of force or deformation are visible at the cable entries.

Electronic and Screen Analysis

The device is in working condition. The images show the screen is active and provides a clear display. There is no screen damage such as dead pixels, cracks, or ink bleed on the LCD panel.

Screen Data Analysis:

• In the first image, the %SpO2 value is seen as 98, and the Pulse Rate (PR) value as 136 bpm. The pulse value is highlighted in yellow, which typically indicates a high pulse rate alert range.
• In the second image, the values are seen to have changed (%SpO2 97, Pulse 149); this indicates that the device was actively measuring at that time or was in a simulation mode.
• A continuous waveform (plethysmograph) is scrolling at the bottom of the screen.
• The “Audio Off” warning is present at the bottom left, indicating that audible alarms are muted.
• In the top right corner, the battery status is shown with a green fill level and a plug icon.

Mechanical Components and Controls

The controls located on the right side of the front panel appear mechanically sound:

• At the top, three soft keys (Orange: Alarm Silence, Green: Main Menu, Blue: Help/Back).
• At the bottom, there is a large, white rotary adjustment knob (Rotary Knob) used for menu navigation. The knob is in place and sturdy.
• At the top, an ergonomic carrying handle integrated with the device’s casing is present, facilitating portability.

Accessories and Connections

The images show a total of 1 main device and cables connected to the device:

• SpO2 Cable: Connected to the socket on the front panel is a grey, Nellcor-compatible interconnect cable (extension cable). Although the finger probe at the end of the cable is not clearly discernible in the image, the cable socket is sturdy and attached.
• Power Cable: A standard black AC power cable is attached to the rear panel.
• Ports: On the back of the device, there is one RJ-45 (Ethernet/Data) port and one grounding terminal (Equipotential stud). No other socket input is visible on the rear cover.

Battery Status

The device has an internal battery. The battery indicator on the screen is green and includes a plug icon. This indicates that the device is currently connected to mains power and its battery is being charged or is fully charged. Physically, no signs of battery swelling have been observed from the external casing.

Label and Technical Information

The following information can be read on the technical label located on the back of the device:

• Power Input (AC IN): 100-240V ~ 50/60Hz. This indication shows that the device complies with international voltage standards.
• Other Codes: The serial number (SN) and Lot number label are usually located on the base of the device or in the barcoded area; however, these specific codes cannot be read from the angles of the provided photos.

Current Fault and Risk Assessment

Upon examination of the images, no faults or error messages have been observed on the device. On the contrary, the device is powered on, its screen is operational, and it is capable of processing sensor data. Considering its physical condition, no wear, rust, or cable stripping that would pose a “Potential Fault Risk” has been detected on the device’s casing or cables. The product appears ready for use and in good condition.