(12) Ullltfild States Patent (10) Patent No.: US 8,028,882 B2 Viola (45) Date of Patent: Oct. 4, 2011 (54) ANVIL POSITION DETECTOR FORA 2 lg; E00“->0 1 , , inn et a . SURGICAL STAPLER 5,865,361 A * 2/1999 Mmiman etal‘ ““““ H 227/1761 5,891,140 A 4/1999 Ginn et al. (75) 10V001011 Frank V1010, $00113’ H001<, CT (US) 5,951,549 A 9/1999 Richardson 61 al. 5,957,884 A 9/1999 Hooven (73) Assignee: Tyco Healthcare Group, North Haven, 6,007,512 A 12/ 1999 H00V00 CT (US) 6,022,313 A 2/2000 Ginn et al. 6,036,681 A 3/2000 Hooven _ _ _ _ _ 6,086,586 A 7/2000 Hooven ( * ) Notice: Subject to any disclaimer, the term of this 6,113,596 A 9/2999 Hooven et at patent is extended or adjusted under 35 6,179,837 B1 1/2001 Hooven U_S_C_ 154(b) by 0 days 6,264,087 B1 7/2001 Whitman 6,315,184 B1 11/2001 Whitman 6,348,061 B1 2/2002 Wh'tm (21) APP1~N0~1 11/799,637 6,350,264 B1 2/2002 Hodverim 6,391,029 B1 5/2002 Hooven et al. May 1, (Continued) (65) P11“ P“b“°01i°" D010 FOREIGN PATENT DOCUMENTS US 2008/0272171 A1 Nov. 6, 2008 DE 19951940 C2 * 11/2001 (Continued) (51) Int. Cl. A613 17/115 (2006-01) OTHER PUBLICATIONS (52) U.S. Cl. ............. .. 227/175.1; 227/180.1; 227/181.1; European Search Repon fOrEP0825l574‘3_23l0 date Ofcompletion _ _ _ 227/19 is Aug. 5, 2005 (3 pages). (58) Field of Classification Search ............. .. 227/175.1, 227/1752, 1801, 181 ~1, 19 Primary Examiner — Sameh H. Tawfik See application file for complete search history. Assistant Examiner _ Michelle Lopez (56) References Cited (57) ABSTRACT Us PATENT DOCUMENTS An anvil position detector is provided for use witha surgical _ stapling instrument. The anvil position detector includes a 4598579 A 7/1986 Cummmgs et 31' ro'ection formed on a drivin or 'aw closure mechanism of 4,601,724 A 7/1986 Hooven 61 al. 1’ 1 _ _ g 1 5,358,506 A * 10/1994 Green 61 al. ................ .. 606/151 1110 511181001 10510101001 0011 0100055 101 0 001011 1000011 001110 5,383,880 A 1/ 1995 Hooven jaw or anvil of the surgical instrument. Engagement of the 5,433,721 A 7/ 1995 H00V00 0101, projection with the notch provides a tactile and/or audible A * Guy et al~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~~ indication to the Operator of the Surgical instruinent the 5,518,163 A 5/1996 Hooven .1 . . . 1. t .th th . d fth 5,518,164 A 5/1996 Hooven anvrorjaw is in properaigmnen wi eremain ero e 5,667,517 A 9/1997 Hooven 5111g1001105101100015,766,166 A 6/1998 Hooven 5,779,131 A * 7/1998 Knodel et al. ........... .. 227/176.1 19 Claimgs 6 Drawing Sheetg
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