(19)
(11) EP 3 457 950 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
26.07.2023 Bulletin 2023/30

(45) Mention of the grant of the patent:
21.06.2023 Bulletin 2023/25

(21) Application number: 16902593.9

(22) Date of filing: 20.05.2016
(51) International Patent Classification (IPC): 
A61B 17/02(2006.01)
 A61B 17/00(2006.01)
(52) Cooperative Patent Classification (CPC):
A61B 17/0206; A61B 2017/0256; A61B 2090/306; A61B 17/0293
(86) International application number:
PCT/US2016/033609
(87) International publication number:
WO 2017/200555 (23.11.2017 Gazette 2017/47)

(54)

ACCESS INSTRUMENTS TO EXTEND A SURGICAL WORKING CHANNEL

ZUGANGSINSTRUMENTE ZUR ERWEITERUNG EINES CHIRURGISCHEN ARBEITSKANALS

INSTRUMENTS D'ACCÈS POUR ÉTENDRE UN CANAL DE TRAVAIL CHIRURGICAL

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(43) Date of publication of application:
27.03.2019 Bulletin 2019/13

(73) Proprietor: Choice Spine, LLC
Knoxville, TN 37919 (US)

(72) Inventor:
  • ADAMS, Alicia
    Knoxville, TN 37909 (US)

(74) Representative: Witte, Weller & Partner Patentanwälte mbB 
Postfach 10 54 62
70047 Stuttgart
70047 Stuttgart (DE)


(56) References cited: : 
WO-A1-2016/007412
US-A1- 2007 208 228
US-A1- 2012 245 431
US-A1- 2014 128 979
 US-A1- 2004 024 291
US-A1- 2009 018 400
US-A1- 2014 128 979
US-B2- 8 801 608
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).