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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

NAMSA,
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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References

Ostrup, L. T., and Berggren, A., 1986, “The Unilink Instrument System for Fast and Safe Microvascular Anastomosis,” Ann. Plast. Surg., 17(6), pp. 521–525. [CrossRef]
Ahn, C. Y., Shaw, W. W., Berns, S., and Markowitz, B. L., 1994, “Clinical Experience With the 3M Microvascular Coupling Anastomotic Device in 100 Free-Tissue Transfers,” Plast. Reconstr. Surg., 93(7), pp. 1481–1484. [CrossRef]
Neligan, P. C., 1993, “Monitoring Techniques for the Detection of Flow Failure in the Postoperative Period,” Microsurgery, 14(3), pp. 162–164. [CrossRef]
Kind, G. M., Rudolf, F. B., Buncke, G. M., Cooper, T. M., Siko, P. P., and Buncke, H. J., 1998, “The Effect of an Implantable Doppler Probe on the Salvage of Microvascular Tissue Transplants,” Plast. Reconstr. Surg., 101(5), pp. 1268–1273. [CrossRef]
Swartz, W. M., Izquierdo, R., and Miller, M. J., 1994, “Implantable Venous Doppler Microvascular Monitoring: Laboratory Investigation and Clinical Results,” Plast. Reconstr. Surg., 93(1), pp. 152–163. [CrossRef]
Swartz, W. M., Jones, N. F., Cherup, L., and Klein, A., 1988, “Direct Monitoring of Microvascular Anastomoses With the 20-MHz Ultrasonic Doppler Probe: An Experimental and Clinical Study,” Plast. Reconstr. Surg., 81(2), pp. 149–158. [CrossRef]
Hartley, C. J., and Cole, J. S., 1974, “A Single-Crystal Ultrasonic Catheter-Tip Velocity Probe,” Med. Instrum., 8(4), pp. 241–243.
Hartley, C. J., and Cole, J. S., 1974, “An Ultrasonic Pulsed Doppler System for Measuring Blood Flow in Small Vessels,” J. Appl. Physiol., 37(4), pp. 626–629.
Pinnella, J. W., Spira, M., Erk, K., DeBow, F., and Hartley, C. J., 1982, “Direct Microvascular Monitoring With Implantable Ultrasonic Doppler Probes,” J. Microsurg., 3(4), pp. 217–221. [CrossRef]
Um, G., Louie, O., Said, H. K., Neligan, P. C., and Mathes, D. W., 2013, “Implantable Cook Doppler Versus Synovis Flow Coupler Use in Perforator-Based Breast Reconstruction for Post-Operative Free Flap Monitoring: Outcomes and Reliability,” JACS, 217(Suppl. 3), pp. S66. [CrossRef]

Figures

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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