3 Pieces Secondhand Nellcor NPB-70 Handheld Capnograph

Objective AI Report

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Report date: 27.07.2025

Nellcor Puritan Bennett NPB-70 Capnography Monitor Analysis Report

Device Identification and Intended Use

The images show three units of the Nellcor Puritan Bennett brand, model NPB-70 capnography monitor. These are medical devices used to measure the amount of carbon dioxide (CO2) in a patient’s exhaled air (EtCO2) and the respiration rate. They can be used on both mechanically ventilated and spontaneously breathing patients. They are specifically designed for monitoring adult, pediatric, and neonatal patients, whether intubated or not. Their portable and handheld design provides ease of use in emergencies, at the bedside, or during routine checks. The devices are capable of making precise measurements even with a low sample flow rate, using Microstream technology.

General State and Condition

It is clear from the images that all three devices are used. There is general wear and soiling on their casings. There are noticeable scratches, especially on the plastic screen protectors. A stain resembling rust has been observed on the top of one of the devices. There are dirt accumulations on the keypads and the general surfaces of the devices. This indicates that the devices were previously actively used in a healthcare setting.

Physical and Mechanical Deformation

Upon detailed physical examination of the devices, the following elements are noteworthy:

• Casing: No significant cracks or fractures have been observed on the beige plastic casings of the devices. However, they have a generally dirty and worn appearance.
• Screen: There are numerous scratches on the transparent protective plastics over the screens. These scratches may somewhat affect the readability of the screens, but as the devices are turned off, a clear comment cannot be made about whether the screens are functional or about their display quality.
• Keys and Buttons: The control keys on the front panel of the devices are physically in place. No broken or missing keys are visible. However, there is dirt accumulated around the keys.
• CO2 Inlet: The CO2 sampling line inlets, marked with the “Microstream” logo, are present on the top section. A slight discoloration is visible around these inlets, and a rust-like stain is seen on one device.

Analysis of Electronic Components and Screen

As the devices are turned off, an assessment of the functionality of their electronic components or screens cannot be made. However, fixed text related to standard operating parameters, such as “NPB-70”, “EtCO2”, and “/min”, is present on the screens. On the two middle devices, the word “Microstream” is visible at the bottom of the screen. On the front face of the devices, there is a label in German with the title “Kurzanleitung” (Quick Start Guide) that explains the key functions. The following functions are specified in this guide:

• Pfeil-Taste (Arrow Key): Anzeige ändern / Wählt Parameter (Change display / Select parameter) | Ruft Menüs auf (Opens menus)
• Ereignismarke (Event Mark): Ausgangsposition / Trend löschen (Home position / Delete trend)
• Pfeil-Tasten (Arrow Keys): Ändert Werte / Kontrast (Changes values / Contrast) | Schnelles Blättern (Fast scrolling)
• Ton EIN/AUS (Sound ON/OFF): Ruft Menü Stummschaltung (Opens mute menu)
• Datenübertragung (Data Transfer): EIN/AUS (ON/OFF)

Quantity and Accessory Information

The image shows a total of 3 units of the Nellcor Puritan Bennett NPB-70 capnography monitor. No accessories (power cable, battery, sensor, sampling line, etc.) are seen with the devices. Therefore, it is understood that only the main units are present.

Potential Malfunction Risk

The overall used and worn condition of the devices, especially the heavy scratches on the screen protectors and the rust-like stain on one device, can be considered as potential risk factors. This situation may raise questions about the service life and future performance of the devices. However, the observations are only cosmetic defects and do not provide conclusive proof that the devices are electronically faulty. It is recommended that the devices be checked and tested by an authorized technician to confirm their functionality and measurement accuracy. These notes are a forecast based solely on visual inspection and do not mean that a malfunction will definitely occur.