Technical Brief

Innovative Sutureless Microvascular Anastomotic Device With Embedded Doppler Flow Monitor1

[+] Author and Article Information
Daniel L. Mooradian

Honeywell–Renier Chair in Innovation Management,
The Technology Leadership Institute,
University of Minnesota,
Minneapolis, MN 55455

Tracy Konobeck, William Kuester

Baxter International,
St. Paul, MN 55112

Mike Bravo

Brooklyn Park, MN 55442

Accepted and presented at the Design of Medical Devices Conference (DMD2014), Minneapolis, MN, April 7–10, 2014.DOI: 10.1115/1.4027018

Manuscript received February 21, 2014; final manuscript received February 28, 2014; published online April 28, 2014. Editor: Arthur G. Erdman.

J. Med. Devices 8(2), 020918 (Apr 28, 2014) (2 pages) Paper No: MED-14-1047; doi: 10.1115/1.4027018 History: Received February 21, 2014; Revised February 28, 2014

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Grahic Jump Location
Fig. 1

The Flow COUPLER® system includes an anastomotic instrument, disposable wing assembly, two symmetrical coupler rings, one of which includes a scabbard holding a small Doppler probe. The probe is connected to an external monitor by a thin percutaneous coaxial lead.

Grahic Jump Location
Fig. 2

Preclinical use of micro-anastomotic device. Vessel is threaded through ring and everted over pins (a). The rings are closed and slight force is applied using forceps (b). Clamps are removed (c) and flow is confirmed visually and via Doppler monitor (d).



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