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Technical Briefs

Minimally Invasive Device for Rapid Urethrovesical Anastomosis

[+] Author and Article Information
Conor Walsh

School of Engineering and Applied Sciences,
Harvard University

Kevin Loughlin

Department of Urology,
Brigham and Women's Hospital

Manuscript received March 15, 2013; final manuscript received April 26, 2013; published online July 3, 2013. Assoc. Editor: Arthur G. Erdman.

J. Med. Devices 7(3), 030908 (Jul 03, 2013) (3 pages) Paper No: MED-13-1044; doi: 10.1115/1.4024503 History: Received March 15, 2013; Revised April 26, 2013

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References

Lowrance, W. T., Eastham, J. A., Savage, C., Maschino, A. C., Laudone, V. P., Dechet, C. B., Stephenson, R. A., Scardino, P. T., and Sandhu, J. S., 2012, “Contemporary Open and Robotic Radical Prostatectomy Practice Patterns Among Urologists in the United States,” J. Urol., 187(6), pp. 2087–2092. [CrossRef] [PubMed]
Menon, M., Tewari, A., and Peabody, J., 2003, “Vattikuti Institute Prostatectomy: Technique,” J. Urol., 169(6), pp. 2289–2292. [CrossRef] [PubMed]
Vallancien, G., Cathelineau, X., Baumert, H., Doublet, J. D., and Guillonneau, B., 2002, “Complications of Transperitoneal Laparoscopic Surgery in Urology: Review of 1,311 Procedures at a Single Center,” J. Urol., 168(1), pp. 23–26. [CrossRef] [PubMed]

Figures

Grahic Jump Location
Fig. 1

Computer rendering of UVA device. Cup on distal end not shown for visualization purposes

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Fig. 2

Illustration highlighting the steps of operation of the device

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Fig. 3

(a) Schematic representation of the suturing process with the simple release mechanism. (i) Suture is attached to needle through cuff. (ii) Needle and suture are inserted together. (iii) A backstop extracts the suture from the cuff. (iv) Barbed sutures are not extracted upon needle retraction. (v) The needle is retracted back to its original position, and the suture is left in the tissue, the cuff is removed with device. (b) Force profile for the procedure, (i) insertion of the needle, (ii) insertion of the suture and cuff and (iii) removal of the cuff.

Grahic Jump Location
Fig. 4

Frames of motion for final device testing showing individual steps for the operation of the device.

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