Removable Battery Module in Finger Pulse Oximeter

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Solution Overview

Problem

Current finger type pulse and blood oxygen measuring devices face challenges in assembly and disassembly of batteries, manufacturing complexity due to glue encapsulation, and inconvenient battery installation, which affects durability and consistency.

Innovation Solution

A finger type pulse and blood oxygen measuring device with a removable power supply module and integrated silica gel soft finger pad with optical windows, simplifying assembly and enhancing durability by using a moulded transparent silica gel optical window and soft finger pad, and a battery installation groove lid with T-type flanging boss for easy battery replacement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If glue poured way is used to encapsulate the chamber where locates the lamp-housing and photoelectric sensor in the silica gel finger pad, then the device is sealed and protected, but the manufacturing complexity increases and consistency deteriorates

Engineering Contradiction:
Improvesealing protectionVSAvoidmanufacturing complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the lamp-housing chamber and photoelectric sensor chamber into a single integrated cavity within the silica gel finger pad. This eliminates the need for separate glue encapsulation processes for multiple chambers, simplifying manufacturing while maintaining the sealing protection that the unified cavity structure provides.

Inventive Principle:
Principle #5Merging (Combining)

2Volume of moving object

If battery is installed into the battery compartment which is in the inner side of the finger type pulse and blood oxygen measuring device, then the device structure is compact, but battery installation becomes inconvenient and anti-damage capability weakens

Engineering Contradiction:
Improvedevice compactnessVSAvoidbattery installation convenience
Core Design Contradiction:
Volume of moving objectVSEase of operation

Solution Approach 1:

The patent segments the battery compartment from the main device body by providing a removable battery cover. This allows the battery to be easily accessed and replaced by users without disassembling the entire device, maintaining compactness while significantly improving battery installation convenience and accessibility.

Inventive Principle:
Principle #1Segmentation

3Stability of the object's composition

If battery compartment structure is used with internal battery installation, then the device structure is integrated, but anti-damage capability and ease of maintenance deteriorate

Engineering Contradiction:
Improvestructural integrationVSAvoidanti-damage capability
Core Design Contradiction:
Stability of the object's compositionVSReliability

Solution Approach 1:

The patent divides the device into separable modules including a removable battery cover and detachable finger pad. This modular segmentation allows damaged components to be easily replaced without affecting the entire device, improving anti-damage capability and ease of maintenance while preserving overall structural integration through standardized connection interfaces.

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution facilitates easier battery replacement, reduces manufacturing complexity, enhances product consistency, and improves user comfort by simplifying the installation structure and increasing the device's durability.

Implementation Method 1

the light emitting diode (LED) is fixed in the silica gel transparent optical window

Methodology Applied
Scientific EffectLight emitting diode (LED): Light Emitting Diode

Implementation Method 2

the bottom of the control circuit board installs with optoelectronic sensors

Methodology Applied
Scientific EffectPhotoelectric detection: Photoelectric Effect

Data Source

PatentUS8583203B2Finger type pulse and blood oxygen measuring device
Publication Date: 2013.11.12 EDAN INSTR
  • US8583203B2 patent drawing
  • US8583203B2 patent drawing
  • US8583203B2 patent drawing

AI summary

The invention discloses a finger type pulse and blood oxygen measuring device, including an upper shell suite and a lower shell suite that are installed with silica gel soft finger pad, and a semi-closed holding. A removable power supply module is installed in the lower shell suite. The beneficial effect of the invention is that because of the adoption of the removable type power supply module which is able to load the battery, it is easier to assemble and disassemble the battery. Additionally, the structure of the device facilitates manufacturing, enhances quality, and also increases the comfort of a person using the device.