LECHMANN, BEAT,KUENZI, THOMAS,FRIGG, ROBERT,APPENZELLER, ANDREAS
申请号：
AT05817953
公开号：
AT549042T
申请日:
2005.12.27
申请国别(地区):
AT
年份:
2012
代理人:
摘要：
Intervertebral prosthesis ( 1 ), in particular intervertebral disk prosthesis, with a central axis ( 6 ) and comprising A) a first prosthetic component ( 2 ) having a first apposition surface ( 4 ) and a first inner surface ( 7 ), both being disposed transversely to the central axis ( 6 ) and having a spherical recess ( 11 )； B) a second prosthetic component ( 3 ) having a second apposition surface ( 5 ) and a second inner surface ( 8 ) both being disposed transversely to the central axis ( 6 ) and having a calotte ( 9 ) congruent with said recess ( 11 )； C) the first and second prosthetic components ( 2；3 ) being connectable in an articulated manner by means of the calotte ( 9 ) which may be slidably received in the recess ( 11 )； whereby D) the first and second prosthetic components ( 2；3 ) have a width B and a length H each being transverse to the central axis ( 6 ), said first and second prosthetic components ( 2；3 ) further comprise a longitudinal axis L<；SUB>；1<；/SUB>；, respectively L<；SUB>；2 <；/SUB>；extending parallel to the respective length H； and whereby E) the length H is greater than the width B, such that the prosthetic components ( 2；3 ) may be put into a position in the intervertebral space in which the two longitudinal axes L<；SUB>；1 <；/SUB>；and L<；SUB>；2 <；/SUB>；intersect each other at an angle alpha>；0° when being projected in a plane being orthogonal to the central axis ( 6 ).
