COSMED Pony Spirometer,

The COSMED Pony Graphic Spirometer is a portable respiratory function testing instrument designed to measure airflow and lung volumes during breathing manoeuvres. Spirometry is widely used in pulmonary function assessment to evaluate respiratory performance and help qualified healthcare professionals investigate and monitor respiratory conditions.

The instrument shown in the photograph features an integrated display, multifunction keypad, patient-data entry controls, and a separate turbine-style flow sensor connected by a cable. The keypad includes controls marked FVC, VC, and MVV, indicating support for important spirometry test categories. The visible COSMED branding and control layout are consistent with the Pony Graphic spirometer.

The Forced Vital Capacity (FVC) test measures the volume of air that a person can forcefully exhale after taking a deep breath. It can also provide parameters such as forced expiratory volume in one second (FEV1), peak expiratory flow, and the FEV1/FVC ratio, depending on the instrument configuration and test performed.

The Vital Capacity (VC) test evaluates the volume of air moved during a slow maximal breathing manoeuvre. The Maximum Voluntary Ventilation (MVV) test evaluates the amount of air a person can move during a period of rapid, deep breathing. These tests provide different types of information about respiratory function and may be used as part of a broader pulmonary assessment.

The external turbine flow sensor measures airflow during the breathing manoeuvre. The instrument processes the sensor signals to calculate respiratory parameters and display test results. The sensor must be clean, correctly connected, and maintained according to the manufacturer's instructions. Suitable mouthpieces and infection-control accessories are also required when the instrument is used with patients.

The front panel includes patient-data entry functions, sex selection, test-selection buttons, and options labeled Best and Last. These controls support patient record management and retrieval of test results. The original Pony Graphic documentation also describes data storage and the ability to transfer results to a computer using a serial connection.

This type of spirometer may be used in respiratory clinics, hospitals, pulmonary function laboratories, occupational health facilities, medical colleges, and clinical research settings. It can support respiratory assessment when operated by trained personnel using appropriate procedures and suitable reference equations. Spirometry results must be interpreted in the context of patient history, test quality, and applicable clinical guidelines.

For pre-owned medical equipment, the condition of both the main unit and the turbine sensor is important. Buyers should verify that the display works, the keypad responds correctly, the sensor is recognized, and the instrument produces plausible measurements. Calibration verification, maintenance history, software compatibility, and the availability of consumables should also be checked before clinical use.

The supplied unit shows visible cosmetic wear, and the display appears scratched or marked. Its operational status cannot be determined from the photograph alone. It should therefore be advertised as used, with functionality subject to testing, unless a documented inspection establishes that it is fully operational.

Before purchasing, buyers should confirm the exact model variant, serial number, included flow sensor, charger or power adapter, connecting cables, software, and any accessories. This will help ensure compatibility with the intended workflow and avoid unexpected replacement costs.

The COSMED Pony Graphic Spirometer can be a useful option for organisations seeking pre-owned respiratory testing equipment, provided that the unit passes the necessary functional, calibration, electrical safety, and infection-control checks. It should not be represented as clinically ready until its performance and suitability have been verified.

2.2 Applications of the Product

• Pulmonary function testing and respiratory assessment.

• Measurement of forced vital capacity and expiratory airflow.

• Measurement of vital capacity.

• Maximum voluntary ventilation testing.

• Respiratory assessment in hospitals and clinics.

• Pulmonary function laboratory teaching and research.

• Occupational health and respiratory research, where appropriate.

These applications are subject to the instrument's verified configuration and applicable clinical procedures.

2.3 Product Features

• Portable COSMED spirometry unit.

• Integrated display and multifunction keypad.

• External turbine flow sensor.

• FVC, VC, and MVV test selections.

• Patient information entry controls.

• Best and Last test-result selection.

• Data storage and result management.

• Computer data-transfer capability on supported configurations.

• Designed for respiratory function testing.

2.4 Technical Specifications

The following specifications are from the COSMED Pony Graphic service documentation and should be checked against the exact variant being sold.

Source: COSMED Pony Graphic service and user documentation. Specifications may vary by version.