Source: http://www.google.com/patents/US5370697?dq=4740761
Timestamp: 2015-07-31 09:24:29
Document Index: 292472162

Matched Legal Cases: ['art 5', 'art 5', 'art 5', 'arts 16', 'art 5', 'art 5', 'art 5']

Patent US5370697 - Artificial intervertebral disk member - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsThe artificial intervertebral disk member (1) consists of an upper (2) and a lower (3) support, which are attached in the adjacent vertebrae (32, 33), and of an elastic separator (4). The separator is constructed as a separate insert part (5), which can be inserted from outside into the final position...http://www.google.com/patents/US5370697?utm_source=gb-gplus-sharePatent US5370697 - Artificial intervertebral disk memberAdvanced Patent SearchPublication numberUS5370697 APublication typeGrantApplication numberUS 08/019,717Publication dateDec 6, 1994Filing dateFeb 19, 1993Priority dateApr 21, 1992Fee statusPaidAlso published asDE59206917D1, EP0566810A1, EP0566810B1Publication number019717, 08019717, US 5370697 A, US 5370697A, US-A-5370697, US5370697 A, US5370697AInventorsWalter BaumgartnerOriginal AssigneeSulzer Medizinaltechnik AgExport CitationBiBTeX, EndNote, RefManPatent Citations (14), Referenced by (592), Classifications (28), Legal Events (5) External Links: USPTO, USPTO Assignment, EspacenetArtificial intervertebral disk member
The intervertebral disk member 1, shown in FIG. 1, comprises an upper and a lower support 2, 3, which are tightly connected with the adjacent upper and lower vertebrae 32, 33. An elastic separator 4 is constructed as a separate insert part 5. This can be inserted parallel between the vertebrae 32, 33 from the lateral direction. Here, grooves in the supports 2, 3 and protruding edges of the cover plates 25, 26 of the insert part 5 together form the positive profile 21. In the final position E, i.e. in the centre of the vertebral bodies 32, 33, the insert part 5 is fixed to the supports 2, 3 by a snap fastening 28. The supports 2, 3 are constructed as shells 14, 15, which extend over the entire vertebral cross section and thus produce a good load distribution and transfer. The shells comprise reinforced edge parts 16 which, as stops 17, form a limit or restriction to the relative movement of the supports 2, 3 and thus of the vertebrae 32, 33. In the example of FIG. 1, the intervertebral disk member comprises an angle W of 0� to 20�, for example, corresponding to the curvature of the vertebral column, which is enclosed by the upper and lower support shells 14, 15 and also the cover plates 25, 26. An angle W=0 corresponds to a straight position of the vertebral column. In the example of FIG. 2, the cover plates 25, 26 of the insert part 5 are arranged parallel. The insert part 5 may then be inserted ventrally into the parallel profile guides 21 and be securely and rigidly held in its final position E by a separate retainer spring as fastening spring 29. The support shells 14, 15 also comprise an angle W corresponding to the curvature of the vertebral column. In the example of FIG. 3, the retainer spring 29 and also the snap fastening 28 can be and again detached by special pliers 30 or a clamping tool. Thus the insert part 5 can be exchanged. However other fastenings are also possible, e.g. by a screw connection.
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19930120May 22, 1998FPAYFee paymentYear of fee payment: 4May 22, 2002FPAYFee paymentYear of fee payment: 8May 30, 2006FPAYFee paymentYear of fee payment: 12Nov 13, 2006ASAssignmentOwner name: ZIMMER GMBH, SWITZERLANDFree format text: TRANSFORMATION WITHOUT LIQUIDATION;ASSIGNOR:SULZER MEDIZINALTECHNIK AG;REEL/FRAME:018505/0583Effective date: 20040630RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services