Secondhand Servox Digital Electrolarynx

Objective AI Report

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Report date: 28.01.2026

Analysis Report of Servox Digital and Rehaton Nova Electronic Larynx Devices

Device Identification

As a result of the analysis of the visuals, it has been determined that the frame contains two different medical support devices, a charging station, and spare batteries. The devices are electronic larynx (electrolarynx) devices manufactured for patients who have lost their vocal cords, providing speech through mechanical vibration by external contact with the neck area. The device on the left has a silver-colored metallic body, while the device on the right is dark navy blue.

Brand and Model

The writings and logos on the products in the visual can be clearly read:

• First Device: The phrase “SERVOX digital” is located on the upper part of the metal section of its body. This device is the Servox Digital model.
• Second Device: From the writings vertically located on its side, it has become clear that the brand of the device is Rehaton and its model is Nova.
• Charging Unit: The Servox brand and its logo are present on the unit.
• Batteries: The Servox brand and codes indicating they are VARTA products are legible on the batteries.

Applications

These devices are auxiliary medical devices that enable individuals who have undergone laryngectomy (removal of the larynx) or have temporary/permanent damage to their vocal cords to communicate audibly. By generating vibrations and shaping these vibrations in the oral cavity, they offer the possibility of speech with a robotic tone.

Originality

The print quality of the logos on the products, the material texture (Servox’s titanium/steel body, Rehaton’s matte finish), and the order numbers on the batteries indicate that the products belong to the original manufacturer. Especially the “Servox” logo and typography on the charging unit perfectly match the brand’s original design language.

Quantity Information

The total number of parts in the visual is 6 units:

• 1 unit of Servox Digital speech device.
• 1 unit of Rehaton Nova speech device (including wrist strap).
• 1 unit of desktop charging station.
• 3 units of spare batteries.

General Condition

The products are second-hand, used. The devices are not new or boxed; it is understood that they were previously used by a patient.

Physical Deformation and Cosmetic Condition

Servox Digital: Superficial dullness due to use may be observed on its metal body, but no major dents or depressions are visible. Slight abrasions are present around the blue plastic on the upper cover part.

Rehaton Nova: While the dark-colored surface of the device appears clean, signs of use can be seen at the joints of the white plastic components on the lower cover part (at the level of the battery compartment).

Charging Station: The unit’s beige casing may have shown a slight tendency to yellow over time due to light exposure, suggesting that the device has a certain age.

Electronic and Mechanical Components

Servox: The physical integrity of the blue sound buttons (rocker switches) has been preserved. Although it cannot be fully determined from the visual whether there is rubber/silicone wear at the pressing points, it is clear that they are in place.

Charging Cradle: The metal contact points of the charging unit are visible in the image. The cleanliness of these points is critical for charging performance.

Battery Condition

The visual shows 3 external, rechargeable batteries. Critical observations regarding these batteries are as follows:

• The outer white coatings of the batteries are generally intact, but slight openings or wear are visible at the edge folds.
• Especially on the upper metal contact (pole) surface of the battery on the right, a brownish discoloration/corrosion-like stain is visible. This condition may affect conductivity.
• Dullness is also present on the upper metal parts of the other batteries.

Label Information

The technical and logistical information clearly legible on the batteries is as follows:

• Brand: SERVOX
• Reference Code (Best-Nr. / Order No.): 19632
• Technical Code: The inscription “VARTA V250H” is legible on the metal top of one of the batteries. This indicates that the batteries are of NiMH (Nickel Metal Hydride) type.

Dimensions and Compatibility

Servox batteries and the Servox device are fully compatible with the charging unit in the visual (the device is currently in the charging cradle). Whether the Rehaton Nova device is compatible with this charging unit cannot be clearly confirmed from the visual due to potentially different socket structures; however, charging devices are usually brand-specific.

Existing Malfunctions and Potential Risks

There is no definitive evidence in the visuals to prove that the device is “faulty” (e.g., a broken body, a disconnected cable). However, the situations listed below may pose potential risks:

• Battery Contact Issue: Discoloration and possible oxidation on the battery terminals may prevent the device from receiving power or charging. These parts may need to be cleaned or replaced.
• Battery Life: This type of NiMH batteries (V250H type) has a certain lifespan. Since there is no date indicating the age of the batteries in the visual, it is unknown whether the batteries hold a charge; replacement is highly likely.

Accessories

In addition to the main devices, a charger and 3 batteries are present as accessories in the visual. A wrist strap/lanyard for carrying is attached to the Rehaton Nova. The power adapter (the cable part plugged into the wall) for the charger is not present in the visual; only the desktop stand part is available.