Title:
骨固定具をロッドに結合するための受け部およびこのような受け部を有する骨固定装置
Document Type and Number:
Japanese Patent JP6487312
Kind Code:
B2
Abstract:
A receiving part for coupling a bone anchor to a rod is provided,
wherein the bone anchor includes a shank (2, 2') for anchoring in a bone or a vertebra, the receiving part (3, 3', 3", 3"', 30, 30', 30", 30"') including
a first end (3a) and a second end (3b), the second end (3b) being connected to the shank (2, 2'),
a bore (7) extending from the first end (3 a) into the receiving part for receiving a fixation device (9), the bore having a bore axis (C),
a recess (4, 4', 4") for receiving a rod (100, 1000), the recess being open at the first end (3 a) of the receiving part for allowing insertion of the rod, wherein when a rod is inserted into the recess a longitudinal axis of the rod extends substantially perpendicular to the bore axis (C), wherein the recess (4, 4', 4") comprises opposing sidewalls (4b) on at least one side of the bore (7);
characterized in that
a resilient retention element (40, 400, 400', 400", 400"') is provided on at least one of the opposing sidewalls (4b), wherein the resilient retention element is deflectable toward the at least one side wall (4b) when the rod (100, 1000) is inserted.
Inventors:
LUTZ BIEDERMANN
Bernd Fisher
Bernd Fisher
Application Number:
JP2015226580A
Publication Date:
March 20, 2019
Filing Date:
November 19, 2015
Export Citation:
Assignee:
BIEDERMANN TECHNOLOGIES GMBH & CO. KG
International Classes:
A61B17/70
Domestic Patent References:
| JP2008502458A | ||||
| JP2012130696A | ||||
| JP2001017441A | ||||
| JP2014527851A |
Foreign References:
| US20100204735 | ||||
| US20130123858 |
Attorney, Agent or Firm:
Fukami patent office
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