Yamasu Aneroid Blood Pressure Monitor Model 500

# Yamasu Aneroid Blood Pressure Monitor Model 500

## 1. Product Overview The Yamasu Aneroid Blood Pressure Monitor Model 500 is a manual blood pressure measuring device designed to measure systolic and diastolic blood pressure. It features a mechanical aneroid gauge, an inflatable upper-arm cuff, an inflation bulb, and an air-release valve. Its portable design and battery-free operation make it suitable for use in clinics, hospitals, medical practices, and home healthcare when operated by a trained user.

## 2. Key Benefits - Manual blood pressure measurement without batteries. - Mechanical aneroid gauge with a clear, easy-to-read scale. - Measurement range of approximately 20–300 mmHg. - Portable design for convenient transport. - Inflatable upper-arm cuff with adjustable fastening. - Manual inflation bulb and air-release valve for controlled pressure adjustment. - Durable construction for routine clinical use. - Supplied with a zippered storage case, depending on the package. - Suitable for healthcare professionals and trained users.

## 3. How It Works The Yamasu Model 500 uses an aneroid pressure gauge to measure the pressure inside the inflatable cuff. The user wraps the cuff around the upper arm and inflates it using the rubber bulb. Air is then released gradually through the valve while blood pressure is measured using a stethoscope. The first Korotkoff sound indicates systolic pressure, while the disappearance of the sounds generally indicates diastolic pressure in adults. Correct technique and appropriate cuff sizing are essential for reliable readings.

## 4. Directions for Use 1. Ask the patient to sit comfortably and rest for at least five minutes. 2. Position the patient with their back supported, feet flat on the floor, and arm supported at heart level. 3. Wrap the cuff around the bare upper arm according to the manufacturer's instructions. 4. Position the stethoscope over the brachial artery. 5. Close the air-release valve and inflate the cuff to an appropriate pressure as determined by the trained operator. 6. Slowly release the air using the valve while listening through the stethoscope. 7. Note the pressure at the first clear Korotkoff sound as systolic pressure. 8. Continue releasing air gradually and note the pressure when the sounds disappear as diastolic pressure. 9. Deflate the cuff completely and remove it from the arm. 10. Record the readings and store the device safely after use.

Important: This is a manual device and does not automatically display blood pressure or pulse rate. Accurate measurement requires appropriate training and a stethoscope.

## 5. Precautions - Read the supplied instructions before using the device. - Use the correct cuff size for the patient's arm circumference. - Ensure the cuff and tubing are properly connected. - Do not inflate the cuff excessively or leave it inflated longer than necessary. - Release cuff pressure gradually during measurement. - Avoid movement and talking during the measurement. - Do not use the device if the gauge, bulb, valve, cuff, or tubing is damaged. - Keep the gauge protected from drops and strong impacts. - Check the device periodically for leaks and gauge accuracy. - Have the gauge calibrated or checked according to professional and manufacturer recommendations. - Keep the product away from water and excessive moisture. - Use appropriate infection-control procedures between patients.

## 6. Storage Instructions - Store the monitor in a clean, dry place. - Keep the device in its supplied zippered case when not in use, if provided. - Avoid direct sunlight, excessive heat, and moisture. - Do not fold or twist the cuff tubing sharply. - Release all air from the cuff before storage. - Keep the gauge and inflation bulb protected from physical impact. - Clean the cuff and accessories according to the manufacturer's instructions. - Avoid immersing the gauge, bulb, or valve in water. - Keep the device away from dust and chemicals. - Store out of the reach of children.

## 7. Manufacturer Information Product Name: Yamasu Aneroid Blood Pressure Monitor Model 500 Brand: Yamasu Manufacturer: Kenzmedico Co., Ltd., associated with the Yamasu product line Model Number: No. 500 Product Category: Manual Aneroid Sphygmomanometer Measurement Method: Manual auscultatory blood pressure measurement Gauge Type: Mechanical aneroid gauge Measurement Range: Approximately 20–300 mmHg, depending on the version Display: Analog pressure dial Power Supply: Not required Cuff Type: Adult upper-arm cuff Inflation System: Manual rubber bulb with air-release valve Stethoscope: Required for auscultatory measurement and may be sold separately Country of Origin: Japan, according to product listings Warranty: Confirm with the seller or authorized distributor.

Note: Confirm the manufacturer's legal name, included accessories, and exact specifications using the original product label and packaging.

## 8. Out-of-the-Box Contents The package may include: - 1 × Yamasu Model 500 Aneroid Pressure Gauge - 1 × Adult Upper-Arm Cuff - 1 × Inflation Bulb - 1 × Air-Release Valve - Connecting Tubing - 1 × Zippered Storage Case

Note: A stethoscope may need to be purchased separately. Package contents can vary by supplier, so confirm the actual items before publishing.