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Ann Thorac Surg 2003;76:2071-2074
© 2003 The Society of Thoracic Surgeons

New technology

Novel surgical system for reducing lung tissue and preventing air leaks

Eric Vallières, MD, FRSCa*, Xavier Gonzalez, MDa, Kimberly M. Pedersen, LPN, CCRPa, Gena K. Sears, RNa, Steven C. Springmeyer, MD, FCCPa

a Division of Cardiothoracic Surgery, Veterans Affairs Puget Sound Healthcare System, Seattle, Washington, Spiration, Inc., USA

Accepted for publication May 14, 2003.

* Address reprint requests to Dr Vallières, Division of Cardiothoracic Surgery, Box 356310, University of Washington, Seattle, WA 98195, USA
e-mail: evallier{at}u.washington.edu

Abstract

PURPOSE: This study assessed the feasibility of using the VALR surgical system (Spiration Inc, Redmond, WA), limited by federal law to investigational use, for capturing and reducing a selected portion of affected lobes in patients undergoing lobectomy.

DESCRIPTION: The tested system consists of a hand-held vacuum-regulated introducer loaded with a flexible, silicone sleeve. Targeted tissue is drawn into the introducer and the silicone sleeve is deployed and sutured in place. The end of the proximal sleeve includes a compression band for applying uniform radial pressure, suture ports, and silicone lugs lining the inner lumen for reinforcing sleeve position.

EVALUATION: The system was effective in capturing 25% to 30% tissue of each lobe tested. Mean intraoperative test time was 8.5 minutes. The compression sleeve did not slip or dislodge after suturing, and no tissue damage or leaks were observed.

CONCLUSIONS: It was feasible using vacuum to draw and isolate a portion of pulmonary tissue within a silicone sleeve. The system was intuitive to apply, easy to use, and produced effective reduction and sealing of tissue.






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Copyright © 2003 by The Society of Thoracic Surgeons.