Implantable Device Battery Profile Curvature

Solution Overview

Problem

Existing implantable medical devices face challenges with hydrodynamic drag, turbulence, fluid sheer stress, and stagnation, which limit their implantation locations and performance, particularly in vascular applications, and require improved battery profiles and manufacturing compatibility.

Innovation Solution

The development of implantable medical devices with optimized shell designs that reduce hydrodynamic drag, turbulence, and fluid sheer stress through computational fluid dynamics modeling, combined with various power sources such as batteries and capacitors, and electronics like wireless transducers, to create compact, efficient, and invasive-friendly devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If traditional battery profiles are used in implantable medical devices, then manufacturing is simplified, but hydrodynamic drag, turbulence, and fluid sheer stress increase at the implant site

Engineering Contradiction:

Improvemanufacturing simplicityVSAvoidhydrodynamic drag

Core Design Contradiction:

Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The patent changes the geometric parameters of the battery profile from traditional cylindrical shapes to optimized contours with reduced diameter and modified shape factors. This parameter optimization reduces the device's hydrodynamic footprint while maintaining manufacturing feasibility through standard battery construction methods adapted to the new profile dimensions.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent employs curved and rounded profile transitions in the battery housing design, replacing sharp edges and angular features with smooth contours. This curvature optimization reduces flow separation and turbulence generation in the vascular environment, thereby reducing hydrodynamic drag and fluid sheer stress on surrounding tissues.

Inventive Principle:

Principle #14Spheroidality (Curvature)

2Ease of manufacture

If traditional battery profiles are used in implantable medical devices, then manufacturing is simplified, but turbulence and fluid sheer stress increase at the implant site

Engineering Contradiction:

Improvemanufacturing simplicityVSAvoidturbulence

Core Design Contradiction:

Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The patent employs curved and rounded profile transitions in the battery housing design, replacing sharp edges and angular features with smooth contours. This curvature optimization reduces flow separation and turbulence generation in the vascular environment, thereby reducing hydrodynamic drag and fluid sheer stress on surrounding tissues.

Inventive Principle:

Principle #14Spheroidality (Curvature)

Solution Approach 2:

The patent changes the geometric parameters of the battery profile from traditional cylindrical shapes to optimized contours with reduced diameter and modified shape factors. This parameter optimization reduces the device's hydrodynamic footprint while maintaining manufacturing feasibility through standard battery construction methods adapted to the new profile dimensions.

Inventive Principle:

Principle #35Parameter changes

3Object-affected harmful factors

If optimized shell designs are implemented, then hydrodynamic drag is reduced, but device complexity increases

Engineering Contradiction:

Improvehydrodynamic dragVSAvoidshell design complexity

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The patent changes the geometric parameters of the battery profile from traditional cylindrical shapes to optimized contours with reduced diameter and modified shape factors. This parameter optimization reduces the device's hydrodynamic footprint while maintaining manufacturing feasibility through standard battery construction methods adapted to the new profile dimensions.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent employs curved and rounded profile transitions in the battery housing design, replacing sharp edges and angular features with smooth contours. This curvature optimization reduces flow separation and turbulence generation in the vascular environment, thereby reducing hydrodynamic drag and fluid sheer stress on surrounding tissues.

Inventive Principle:

Principle #14Spheroidality (Curvature)

Data Source

PatentUS11207533B2Implantable medical device with proximal capture feature

Publication Date: 2021.12.28 CARDIAC PACEMAKERS INC

AI summary

The present subject matter includes an implantable medical device with a capture feature at or near the proximal end. In some cases, the capture feature includes a hold that is configured to facilitate a releasable connection with a delivery device that is used to deliver the implantable medical device to a target implant site.