Intraosseous Penetration Tip Stop Mechanism for Newborn Bone Access
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Solution Overview
Problem
Current bone needles designed for intraosseous access in newborns are prone to unintentionally perforate the posterior aspect of the bone during penetration, leading to medication leakage and potential tissue damage, and are not cost-effective for large-scale use.
Innovation Solution
A device with a slidably mounted penetration tip connected to a spring-loaded push rod, using magnetic elements for detection and automatic stop upon penetration, allowing for reliable detection and automatic cessation of the process, compatible with standard infusion systems and designed for single-use to ensure hygiene.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a needle is used to penetrate the anatomical structure, then the puncture path can be defined, but the needle may come into contact with critical structures causing harmful effects
Solution Approach 1:
The needle is divided into multiple segments that can independently move relative to each other. The distal segment can change angle and orientation to navigate around critical structures while maintaining the defined puncture path established by the proximal segment. This segmentation allows the needle to follow a predetermined path while avoiding harmful contacts with critical anatomical structures.
2Productivity
If the needle is advanced through the anatomical structure, then the implant delivery function is achieved, but the risk of contacting critical structures increases
Solution Approach 1:
The needle incorporates dynamic segments that can change their orientation and position during advancement. As the needle is pushed through the anatomical structure, the distal segments can dynamically adjust their angle to navigate around critical structures, enabling continuous forward progress for implant delivery while avoiding harmful contacts through real-time geometric adaptation.
3Device complexity
If the needle maintains a fixed geometry, then the structure is simple, but it cannot adapt to avoid critical structures
Solution Approach 1:
The needle is divided into multiple segments that can independently move relative to each other. The distal segment can change angle and orientation to navigate around critical structures while maintaining the defined puncture path established by the proximal segment. This segmentation allows the needle to follow a predetermined path while avoiding harmful contacts with critical anatomical structures.
Solution Approach 2:
The needle incorporates dynamic segments that can change their orientation and position during advancement. As the needle is pushed through the anatomical structure, the distal segments can dynamically adjust their angle to navigate around critical structures, enabling continuous forward progress for implant delivery while avoiding harmful contacts through real-time geometric adaptation.
Data Source
Figure 1
Figure 2a~2c
Figure 3
AI summary
In the case of an apparatus (1) for penetrating through an anatomical structure, which is designed to recognize the penetration through an anatomical structure and automatically stop a penetration procedure upon recognition of the penetration through the anatomical structure, with the apparatus (1) comprising a proximal handheld device (2) and, removably secured thereto, a distal attachment (3) along a longitudinal axis (L) of the apparatus (1), the attachment (3) comprises a penetration tip (11) which is mounted so as to be movable along the longitudinal axis (L) and which is operatively connected to a linear drive (6) in the handheld device (2) by way of a pushrod (13), with the pushrod (13) being designed for compression in the proximal direction by a resilient mount preferably at its proximal end and the apparatus (1) comprising means for identifying an extension of the pushrod (13) in the distal direction when the penetration through the anatomical structure is recognized.