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The female breast is a hemispheric projection of variable size positioned anterior to the pectoralis major and serratus anterior muscles. A fascia layer composed of dense, irregular connective tissue connects it to these muscles.
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Modeling Breast Cancer in Human Breast Tissue using a Microphysiological System
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SmartLact8: A Bio-Inspired Robotic Breast Pump for Customized and Comfort Milk Expression.

Yuying Li1, Marlenne Valadez Lozano2, David Peña1

  • 1Department of Mechanical Engineering, San José State University, San Jose, CA 95192, USA.

Biomimetics (Basel, Switzerland)
|May 23, 2023
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Summary

This study developed a novel breast pump, SmartLac8, mimicking infant suckling to reduce nipple pain and lactation issues. The bio-inspired design offers a safer alternative to traditional vacuum-only pumps.

Keywords:
breast pumporal-feeding mechanismpiezoelectric sensorssoft robotic

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Area of Science:

  • Biomedical Engineering
  • Biomimicry
  • Medical Device Design

Background:

  • Most breastfeeding mothers use breast pumps, but traditional vacuum-only devices cause nipple soreness and lactation complications.
  • Existing breast pumps lack mechanisms that mimic natural infant feeding dynamics.

Purpose of the Study:

  • To develop a bio-inspired breast pump prototype, SmartLac8, that replicates infant suckling patterns.
  • To improve breast pump safety and efficacy by reducing injury and complications.

Main Methods:

  • Developed a SmartLac8 prototype using soft pneumatic actuators and piezoelectric sensors.
  • Utilized system identification with open-loop data for closed-loop controller design.
  • Mimicked infant suckling dynamics using input vacuum pressure and compression forces.

Main Results:

  • Successfully developed and calibrated a physical breast pump prototype.
  • Demonstrated coordinated compression and vacuum pressure to replicate infant feeding.
  • Achieved experimental results consistent with clinical findings on sucking frequency and pressure.

Conclusions:

  • The SmartLac8 prototype successfully mimics infant suckling patterns.
  • This bio-inspired approach offers a promising alternative to reduce breast pump-related injuries.
  • Further development could lead to safer and more effective breast pumping solutions.