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How to use the ovipositor drilling mechanism of hymenoptera for developing a surgical instrument in biomimetic design

: Nakajima, Kiyoharu; Schwarz, Oliver

Volltext urn:nbn:de:0011-n-4391639 (2.3 MByte PDF)
MD5 Fingerprint: 396c863b53e0404dc7ec40d148dfb495
Erstellt am: 7.4.2017

International journal of design & nature and ecodynamics 9 (2014), Nr.3, S.177-189
ISSN: 1755-7437
ISSN: 1755-7445
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IPA ()
Bionik; Bohren; Medizintechnik; Hüfte; Biomechanik; Prothese; Biomimetik; Medizinische Ausrüstung

Hymenopterous insects are able to drill several inches into fresh wood with an egg-laying organ (ovipositor) as thin as a hair, to deposit their eggs. Up to now only one method of boring, i.e. rotary drilling, is technically used. The transfer of biomimetic principle to the field of orthopedic surgery was done in the bionic development process. The analysis of the anatomy and physiology of hymenoptera led to the realization that it is of utmost importance to have the drill composed of three parts to enable a balanced drilling process without transfer of torque to the work piece. This principle was then implemented in a prototypical functional and design model of a drill rasp for creating cavities in the thigh bones for the form-fitted insertion of cementless hip prosthesis stems. The challenge was to design a drilling device for application in an operating theater. Thus, the emphasis was on an ergonomic user experience, hygiene before and during the process, the specific anatomy of the thigh bone, and an optimal workflow during the operation. A patent application was filed for the technical implementation and received the brand name Sirex™ in accordance with a wood wasp genus.