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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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]
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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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