(15) Umted States Patent (10) Patent No.: US 8,118,206 B2 Zand et al. (45) Date of Patent: Feb. 21, 2012 (54) SENSING ADJUNCT FOR SURGICAL 5,769,791 A 6/1998 Benaraon et a1~ 5,772,597 A * 6/1998 Goldberger et al. ........ .. 600/473 5,785,658 A 7/1998 Benaraon et al. 5,807,261 A 9/1998 B l. (75) Inventors: Jason Matthew Zand, Washington, DC 5,833,603 A 4 11/1998 KZI\1,:r:;0;Zt1,a ,,,,,,,,,,,,,,, H 600/317 (US); Gregory Scott Fischer, Boston, 5,879,294 A 3/ 1999 Anderson et al. M A (US) 5,893,506 A 4/1999 Powell 5,987,346 A * 11/1999 Benaron et al. ............. .. 600/407 (73) Assignee: Surgisense Corporation, Washington, gt/)}1l1lgrnan DC (US) 6,959,851 B2 11/2005 Heinrich 6,975,899 B2 12/2005 Faupel et al. ( * ) Notice: Subject to any disclaimer, the term of this ghlnmtlnlet a1~ patent is extended or adjusted under 35 7’147’l38 B2 12/2006 S}(1):1>t,0:1a' U-S-C 154(1)) by 303 dayS- 7,237,708 B1 7/2007 Guy et al. 7,407,078 B2 8/2008 Shelton et al. (21) App1_ NO_; 12/404,276 7,717,312 B2 * 5/2010 Beetel ...................... .. 227/175.1 2005/0131390 A1 6/2005 Heinrich et al. ~ . 2006/0235314 A1 10/2006 Migliuolo et al. (22) Wed‘ Mar‘ 13’ 2009 2006/0273135 A1 12/2006 Beetel 2007/0175949 A1 8/2007 Shelton et al. (65) Prior Publication Data 2007/0203406 A1 8/2007 Anderson et al. 2008/0283570 A1 11/2008 Boyden et al. Us 2009/0234248 A1 SeP' 17, 2009 2009/0054908 A1 2/2009 zand et al. Related U.S. Application Data FOREIGN PATENT DOCUMENTS (60) Provisional application No. 61/036,945, filed on Mar. W0 WO 2007/008057 1/2007 15, 200$~ * cited by examiner (51) Int_ Cl_ Primary Examiner * Max Hindenburg A61B 17/04 (200601) Assistant Examiner * Adam Eiseman A61B 17/10 (2006.01) A61B 5/103 (2006.01) (57) ABSTRACT A61B 5/117 (2006.01) A device and method in accordance with the invention for (52) U.S. Cl. ................... .. 227/175.1; 600/587; 600/593; generating a signal indicative of a property of a subject tissue 227/176_1 in contact with the working surface of a surgical instrument. (58) Field of Classification Search ................ .. 600/300, The iI1V_eI1ti°I1 descfibes a Sensing aldJ'11I_1°tt° Surgical Staplers 600/587 593. 227/175_1A182_1 The adjunct can take the form ofan opt1onally coupled accesSee application file for Complete Search history‘ sory to a surgical stapler, or a stand-alone substitutive component act1ng to serve as a replacement for a component of the (56) References Cited surgical stapler such as an anvil, housing or cartridge.
4,945,896 A 8/1990 Gade 5,417,207 A 5/1995 Young et al. 5,503,320 A 4/1996 Webster et al. 5,630,539 A 5/1997 Plyley
Embodiments include a sensing anvil serving to act in place of a non-sensing surgical stapler anvil to monitor tissue properties of an anastomosis for the purpose of avoiding anastomotic failure.
42 Claims, 15 Drawing Sheets
