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Related Manuals for stemoscope STEMO300
Summary of Contents for stemoscope STEMO300
- Page 1 Smart Wireless Stethoscope (Model: STEMO300) Instruction Manual (DRAFT)
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Page 2: Safety Warnings And Precautions
OFF Stemoscope II. Store Stemoscope II and components in a clean and safe place out of the reach of infants and children. DO NOT move, slide or push the switch button when Stemoscope II is wet. If you do... - Page 3 Stemoscope II and the connected phone or earphones. To improve Bluetooth connection, reduce the distance and/or allow a line of sight between Stemoscope II and the connected phone or earphones. No modification of this equipment is allowed. Switch off Stemoscope II to save the battery...
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Page 4: Table Of Contents
CONTENT SAFETY WARNINGS AND PRECAUTIONS ....2 Introduction ............... 5 1.1. Indications for use ............. 5 1.2. Specifications and technical data ....6 1.3. Signs and symbols ............. 7 1.4. Package contents ............8 Hardware identif ication ..........8 Basic steps to listen to the sounds ..... 10 Record a video composed of the auscultatory sounds and the camera view .......... -
Page 5: Introduction
Introduction Stemoscope II (Model: STEMO300) is a smart wireless stethoscope. It transmits audio to the “DrStemo” app installed on a smartphone. The “DrStemo” app provides rich functions such as amplification, visualization, filtering, recording, sharing, etc. The app also allows a user to access premium cloud services, including video call service and cloud data storage. -
Page 6: Specifications And Technical Data
+10 °C to +40 °C / 15 %RH to conditions 85 %RH / 800 hPa to 1060 The time required for Stemoscope II to warm from the minimum storage temperature（-25°C）between uses until it is ready for intended use when the ambient temperature is 20°C: 1 hour. -
Page 7: Signs And Symbols
1.3. Signs and symbols Follow operating instructions Indicates the manufacturer of the unit, including manufacturer’s name and address The device must be disposed of properly when it will no longer be used. Dispose medical waste based on local regulations and comply with applicable laws. -
Page 8: Package Contents
Quick start guide Hardware identification Notification light Charge port Switch Diaphragm switch in the left position is the OFF state. Slide the switch to the right to start Stemoscope II. diaphragm makes contact with the human body to pick up body sounds. - Page 9 To charge Stemoscope II, plug one end of the charging cable into the charge port and another end to a UL-certified USB charger (not provided in the package). The device status can be identified by the notification light. Notification light...
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Page 10: Basic Steps To Listen To The Sounds
Basic steps to listen to the sounds Here are the basic steps for you to use Stemoscope Step 1. Open the “DrStemo” app. If you haven’t installed the “DrStemo” app, please search and install it from Apple’s App Store or Google’s Play Store. - Page 11 Find the QR code on your Stemoscope II After registration, you will see the home user interface as shown below. This user interface shows that there is no Stemoscope II connected yet. Before Stemoscope II is connected, the “listen”...
- Page 12 Home user interface before Stemoscope II is connected Step 2. Slide the switch button of Stemoscope II to the right. The notification light will start to smoothly fade in and out and the app will start to search for and connect to the Stemoscope II.
- Page 13 The home user interface will be updated once connected. The “listen” button will start to animate. The battery power level of the Stemoscope II is displayed. When the power is low, please charge it timely. You can press the doctor/patient button to make a video call to your doctor/patient if you have access to the cloud service.
- Page 14 (for example, holding Stemoscope II stable can give better quality). Please consult your doctor on where to listen and record. The battery level of the connected stethoscope Animated “listen” button after connection.
- Page 15 Battery power level Bluetooth signal strength Select one of the themes by pressing the button. “video” is selected in this example Switch the front and back camera Record button The sound waveform The “video” theme of the “listen” user interface...
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Page 16: Record A Video Composed Of The Auscultatory Sounds And The Camera View
A video can record the sounds and associated location of the Stemoscope II. When you do the recording, please make sure the location of the Stemoscope II can be determined in the camera view. - Page 17 “lung,” providing some predefined spots to save heart sounds and lung sounds respectively. The following picture shows the “heart” theme. You can place Stemoscope II on one of the body spots shown in this user interface and press the corresponding “red dot” recording button to record the corresponding sounds.
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Page 18: More Features For Medical Professionals
Record button. Place your device on one of the heart listening spots and press this button to record the sound associated with this location. Option to screen record The “heart” theme of the “listen” user interface More features for medical professionals Two extra features were provided in the “listen”... - Page 19 Choose Stemoscope II frequency modes ⚫ The auscultatory sounds can be filtered in three different frequency modes: bell mode, diaphragm mode, and extended range mode respectively. The following table shows the frequency ranges of these modes.
- Page 20 Non- predefined recording spot Stethoscope frequency modes for medical professionals Extra features for medical professionals in the “listen” user interface Record non-predefined auscultation ⚫ spots...
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Page 21: Live Stream The Auscultatory Sounds
Stemoscope II to the doctor. During the video call, the doctor can instruct the patient on where and how to place Stemoscope II so that the doctor can listen to the desired spots of the patient’s body remotely. Here is the process flow. - Page 22 Stemoscope II sound use of Stemoscope II. transmission. Hang up the call when the session is completed. The doctor can ask the patient to register an account for the video call function if the patient has not done that.
- Page 23 interface, and then on the “my patients” page, press the button on the top left to enter the invitation page. Type the email address that your patient used for the video call account registration and an invitation email will be sent to this email address.
- Page 24 patients” page, the doctor needs to make sure the status is ONLINE. If it is OFFLINE, a “log on” button will show up and the patient can press it to go ONLINE. The doctor can see if a patient is online. If the patient to call is OFFLINE, the doctor may fail to call the patient.
- Page 25 If the video call is disconnected for some reason, to reconnect, the doctor needs to call the patient because the patient cannot call the doctor. If you feel the audio quality is not good, please do not livestream the sounds of the Stemoscope II...
- Page 26 Audio signal receiving quality is good. Audio signal receiving quality is bad. Audio signal receiving quality is very bad. By default, the sounds of the Stemoscope II are not transmitted even Stemoscope connected. You need to press the button to start or stop transmission if a Stemoscope II is connected.
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Page 27: Share (Send) A Recording
When the sound of the Stemoscope II is being transmitted, the doctor may ask the patient to mute the microphone. The patient can toggle the microphone button. Microphone is toggled on. Press to toggle off. Microphone is toggled off. Press to toggle on. -
Page 28: Care, Cleaning, And Disinfection
“history”. If you use the “DrStemo” app as a non-medical professional user and use the premium cloud service, you can save the data online and share the data with your doctors. Care, cleaning, and disinfection The stethoscope should be wiped clean and disinfected with 70% isopropyl alcohol wipes. -
Page 29: Trouble Shooting
Trouble shooting Symptom Possible Solution cause Charge Stemoscope notification battery II before use. light power. consistently when Hardware Contact customer the device is malfunction. service. switched ON. Open the app → Settings → Search for Permissions STEMO-700, check if are not given... - Page 30 are not used. not good at playing sufficiently body sounds. Please loud. earphones listen. Please increase the phone volume. Body sounds are mainly composed of low- phone pitched sounds that volume is set less audible. low. Higher volume needed than that for other sounds such as music.
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Page 31: Electrical Safety
Electrical Safety Guidelines and manufacturer's declaration - electromagnetic emissions This STEMO300 stethoscope is expected to be used in the following electromagnetic environment. The purchaser or user should ensure that it is used in this electromagnetic environment: Electromagnetic environment - Emissions test... - Page 32 Electrostatic ± 2 kV for power transient supply lines burst 100 kHz repetition 61000-4-4 frequency Not applicable ± 1 kV for input/output lines Surge ± 0.5 kV, ± 1 kV, IEC 61000-4- Line-to-line Not applicable ± 0.5 kV, ± 1 kV,±...
- Page 33 RF IEC 150 kHz to 80 applicable communications equipment should be used 61000-4-6 no closer to any part of the product, including cables, than recommended separation distance calculated from Radiated 3 V/m 3 V/m equation applicable to the 80 MHz to 2.7 80 MHz to frequency 61000-4-3...
- Page 34 Recommended isolation distance between portable or mobile RF communication equipment and this product This STEMO300 stethoscope is expected to be used in an electromagnetic environment where RF radiation disturbances are controlled. According to the maximum output power of the communication equipment, the purchaser or...
- Page 35 Test specifications for ENCLOSURE PORT IMMUNITY to RF wireless communications equipment Test Band Service Modulation Maximu Dista IMMUNITY frequency m power TEST LEVEL (MHz) (V/m) (MHz) 380 –390 TETRA 400 Pulse modulation 18 Hz 430 – 470 GMRS 460, FRS 460 FM ±...
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Page 36: Fcc Statement
FCC Statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. -
Page 37: Warranty
Warranty A limited warranty is provided for Stemoscope II. Please visit stemoscope.com/warranty for a full description of the warranty. Contact information...
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