In recent years, there has been a growing demand for mobile and portable medical devices that can monitor blood sugar, body temperature, heart rate, blood pressure, and perspiration. Currently, basic health data of the human body is difficult to quantify. However, portable medical devices can continuously collect human information and transmit it to a host for analysis and visualization. The information provided by these devices can help users effectively understand their health status.
The insulin pump injects insulin into diabetes patients who lack insulin through a motor, effectively controlling blood sugar levels. Since users need to wear this device for an extended period, it must be miniaturized to reduce the user’s burden. To meet the market demand for such portable medical devices, we believe that Murata’s micro batteries (SR: silver oxide batteries and LR: alkaline batteries) can contribute to this market.
Here are the advantages of Murata micro batteries:
1. SR: Silver oxide battery,
2. LR: Alkaline battery.
The following shows the SR: button-type silver oxide battery and LR: button-type alkaline battery (capacity vs. size).
The numbers in parentheses refer to the rated capacity (mAh).
Murata’s micro battery lineup includes a range of very small batteries that can better match the miniaturization demands of wearable devices.
The following diagram shows the discharge current characteristics of SR/LR and CR batteries.
SR/LR batteries use an aqueous solution as an electrolyte, resulting in lower internal resistance, which can provide pulse current for high loads such as LED lighting, BLE communication, and small motors (which may require 2 or 3 in parallel). On the other hand, traditional CR batteries have higher voltage and capacity but also higher internal resistance, making them less suitable for high current discharge compared to SR/LR batteries. The following diagram shows a comparison of pulse test results for SR and LR batteries.
A single SR battery can drive a small motor of approximately 0.1W, while the SR/LR batteries themselves are very small and can support high output, making them the best companions for mobile medical devices.
Recommended Applications: Portable medical devices: insulin injection pumps, CGM, endoscopic capsules, etc.
Click “Read Original” for more product information. If you have any questions, feel free to contact us!
