Multi-Nipple Pacifier Ball Design for Infant Self-Reinsertion
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Solution Overview
Problem
Infants with limited motor control and dexterity struggle to reinsert pacifier nipples into their mouths, leading to distress and the need for parental intervention when the pacifier is dislodged.
Innovation Solution
A multi-nipple pacifier ball with a centralized hollow sphere design featuring four radially projecting nipples, arranged to prevent nasal obstruction and ensure easy reinsertion, along with a lack of a handle to prevent rolling, allowing infants to manage and reinsert the pacifier independently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional pacifier with a handle is used, then the pacifier is easy for parents to hold and control, but the infant cannot easily reinsert the nipple into its mouth when it falls out
Solution Approach 1:
The pacifier is segmented into multiple nipples (typically four) arranged radially on a spherical body, allowing the infant to easily grasp and reinsert a nipple without needing precise hand-eye coordination. The segmentation of the spherical body into multiple functional zones (nipple positions) enables the infant to succeed even if one nipple is not perfectly positioned.
Solution Approach 2:
The pacifier transitions from a linear handle structure to a three-dimensional spherical geometry with nipples distributed across the surface. This dimensional change allows the infant to approach and reinsert a nipple from multiple angles and orientations, compensating for limited motor control and dexterity.
2Ease of operation
If multiple nipples are arranged on a sphere, then the infant can easily find and reinsert a nipple, but there is a risk that nipples may contact the infant's nose and obstruct breathing
Solution Approach 1:
The spherical surface is designed with specific local qualities: nipples are positioned at predetermined locations and orientations where their tips point away from the infant's face when the pacifier is held correctly. The sphere's curvature and nipple angular positioning create zones of safety that prevent nasal obstruction while maintaining ease of reinsertion.
Solution Approach 2:
The spherical geometry with radially arranged nipples enables the pacifier to be self-correcting: if the infant grasps the sphere from any orientation, the geometry guides the nipple tips to point away from the face, and the infant's own hand movements naturally position the pacifier in a safe orientation during reinsertion.
3Ease of operation
If the pacifier ball is made lightweight, then the infant can easily manipulate and find it, but it may roll or bounce away more easily
Solution Approach 1:
The spherical shape of the pacifier body provides inherent stability: when the infant releases the pacifier, the curved surface naturally rolls toward the infant's body rather than bouncing away. The sphere's geometry ensures that even if the pacifier moves, it tends to return to the infant's vicinity, combining ease of manipulation with position stability.
Data Source
AI summary
A pacifier ball comprising a hollow sphere comprising a pair of identical hemispherical members having circular hemispherical rims separably joined together to form the hollow sphere. A first pair of hollow pliable nipples being mounted on and projecting radially outward, from one of the hemispherical members. The nipples of the first pair of hollow pliable nipples having centerlines projecting through the center of said sphere and defining therewith a first common plane. A second pair of hollow pliable nipples being mounted on and projecting radially outward from the other hemispherical member. The nipples of the second pair of hollow pliable nipples having centerlines projecting through the center of said sphere and defining therewith a second common plane. The centerlines of the nipples of each pair of hollow pliable nipples creating an angle of separation between the nipples and equal angles of projection for each of the nipples such that each of the nipples is equally spaced from its respective hemispherical rim. The first and second common planes being perpendicular to each other, and therefore each pair of hollow pliable nibbles are oriented perpendicular to each other on their respective hemispherical member. The size, weight, number and placement of the nipples facilitate the ease of use of the pacifier ball by an infant. The pacifier ball can also be taken apart for cleaning.