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Technical Briefs

Bio-Inspired Spring-Loaded Biopsy Harvester

[+] Author and Article Information
Paul Breedveld

BioMechanical Engineering Department Faculty Mechanical,
Maritime & Materials Eng.,
Delft University of Technology,
The Netherlands

Manuscript received March 15, 2013; final manuscript received April 24, 2013; published online June 12, 2013. Editor: Arthur G. Erdman.

J. Med. Devices 7(2), 020912 (Jun 12, 2013) (2 pages) Paper No: MED-13-1055; doi: 10.1115/1.4024320 History: Received March 15, 2013; Revised April 24, 2013

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References

Amelink, A., Kok, D. J., Sterenborg, H. J. C. M., and Scheepe, J. R., 2011, “In Vivo Measurement of Bladder Wall Oxygen Saturation Using Optical Spectroscopy,” J. Biophotonics, 4(10), pp. 715–720. [CrossRef] [PubMed]
Candia Carnevali, M. D., Wilkie, I. C., Lucca, E., Andrietti, F., and Melone, G., 1993, “The Aristotle's Lantern of the Sea-Urchin Stylocidaris Affinis (Echinoida, Cidaridae): Functional Morphology of the Musculo-Skeletal System,” Zoomorphology, 113(3), pp. 173–189. [CrossRef]

Figures

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Fig. 1

The crown-shaped collapsible cutter, left, inspired by the Aristotle's lantern – the sea urchin's chewing organ, right

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Fig. 2

In-vitro push-in experiment performed with the crown- cutter on a chicken liver at push-in speeds from 6 to 48 mm/s

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Fig. 3

Exploded view of the spring-loaded biopsy harvester design with its 14 components (A-N), showing their mutual alignment

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Fig. 4

Real-scale biopsy harvester with fully closed crown-cutter

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Fig. 5

A clean-cut conical biopsy of a chicken liver made with the bio-inspired spring-loaded biopsy harvester

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