Ergonomic Stethoscope Chestpiece Grip Design
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Solution Overview
Problem
Single-sided stethoscopes often lack optimal grip features, failing to conform to human hand anatomy, providing limited grip positions, and not allowing seamless transitions between grip positions.
Innovation Solution
An ergonomic chestpiece design featuring a raised center portion with first and second lateral indented gripping surfaces, forming a V-shape, and protruding edges on the top surface to enhance grip and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If single-sided stethoscope design is used, then aesthetic appearance is improved, but grip comfort and ergonomics deteriorate
Solution Approach 1:
The chestpiece applies local quality by creating specific indented gripping surfaces at strategic locations on the top surface. These indented areas are formed by walls with concave surfaces that match the contours of human fingers, providing enhanced grip comfort only where needed while maintaining the overall simple single-sided design and aesthetic appearance.
2Device complexity
If simple chestpiece design is used, then manufacturing complexity is reduced, but grip position variety deteriorates
Solution Approach 1:
The chestpiece segments the top surface into multiple distinct gripping zones through indented gripping surfaces formed by separate walls. Each wall creates an independent indented area that can accommodate different finger positions, allowing users to grip the chestpiece in multiple positions without adding complex mechanisms or multiple components.
3Device complexity
If fixed grip design is used, then structural simplicity is maintained, but transition between grip positions deteriorates
Solution Approach 1:
The chestpiece implements dynamics by creating a flexible grip system where the indented gripping surfaces allow the user's hand to naturally adapt and transition between different grip positions. The concave surfaces of the walls guide the fingers into appropriate positions, enabling seamless transitions without requiring complex adjustable mechanisms while maintaining structural simplicity.
Data Source
Figure 1~2A
Figure 2B
Figure 2C~2D
AI summary
Aspects of the present disclosure relate to an ergonomic chestpiece for a stethoscope. The chestpiece includes a bottom surface which is generally planar and adapted to be placed near the patient for receiving auscultatory sounds. The chestpiece includes a raised center portion defining first and second lateral indented gripping surfaces, the raised center portion having a top surface opposite the bottom surface. The chestpiece includes a stem portion extending distally from the raised center portion. The first lateral indented gripping surface is defined by a first wall comprising a first concave surface arcuate about a first axis and the second lateral indented gripping surface is defined by a second wall comprising a second concave surface arcuate about a second axis. The first axis and the second axis form a V-shape comprising an apex oriented in a direction of the stem portion.