US5681310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertebral auxiliary fixation device having holding capability
Assignee: SDGI Holdings Inc
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Filing: 1995-10-30
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Granted: 1997-10-28
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Expires: 2015-10-30
Abstract
Abstract A vertebral auxiliary fixation device comprises a holding mat and a plurality of fastening elements. The holding mat is fastened by the fastening elements to a vertebra such that the holding mat covers the outer side of a foreign object which is implanted in the vertebra, and that the holding mat prevents the implanted foreign object from jutting out of the vertebra. The holding mat and the fastening elements are made of a material capable of being assimilated into the tissues of a human body.
Inventors
- 👤 Hansen A. Yuan
- 👤 Chih-I Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:38
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/44; A61F2/4455; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/70; A61B17/7059; A61F2/28; A61F2/2846; A61B17/064; A61B17/0642; A61B17/80; A61B17/8085; A61B17/84; A61B17/86; A61B17/8695; A61B2017/0647; A61B2017/0648; A61F2/442; A61F2002/30001; A61F2002/30003; A61F2002/3006; A61F2002/30062; A61F2002/30316; A61F2002/30329; A61F2002/30462; A61F2210/00; A61F2210/0004; A61F2220/00; A61F2220/0025; A61F2220/0075
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
74 words
A method of mending a deformed vertebra comprising: preparing a vertebra for implantation of a foreign object; implanting a foreign object into the vertebra; covering an outer side of the foreign object with a mat made from a flexible, biocompatible material; and fastening the mat in place by inserting a plurality of fastening elements through the flexible biocompatible material and into the vertebra to prevent the foreign object from jutting out of the vertebra.
Claim 2
Independent Claim
74 words
A method of mending a deformed vertebra comprising: preparing a vertebra for implantation of a foreign object; implanting a foreign object into the vertebra; covering an outer side of the foreign object with a mat made from a flexible, biocompatible material; and fastening the mat in place by inserting a plurality of fastening elements through the flexible biocompatible material and into the vertebra to prevent the foreign object from jutting out of the vertebra.
Claim 3
Dependent Claim
17 words
The method according to claim 1, further comprising: providing the mat in rectangular form with arcuate comers.
Claim 4
Dependent Claim
23 words
The method according to claim 1, further comprising: forming the mat of a material which is absorbable into tissues of a human body.
Claim 5
Dependent Claim
15 words
The method according to claim 1, further comprising: forming the mat of a woven material.
Claim 6
Dependent Claim
15 words
The method according to claim 1, further comprising: forming the mat of a non-woven material.
Claim 7
Dependent Claim
31 words
The method according to claim 1 wherein the step of fastening the mat in place comprises inserting a plurality of headed fastening screws through the biocompatible material and into the vertebra.
Claim 8
Dependent Claim
26 words
The method according to claim 6 comprising the additional step of inserting a pad between the heads of the headed fastening screws and the biocompatible material.
Claim 9
Dependent Claim
27 words
The method according to claim 6 comprising the additional step of inserting a thorny pad between the head of the headed fastening screws and the biocompatible material.
Claim 10
Dependent Claim
34 words
The method according to claim 1 wherein the step of fastening the mat in place comprises inserting a plurality of threaded fastening screws having fastening cords through the biocompatible material and into the vertebra.
Claim 11
Dependent Claim
29 words
The method according to claim 1 wherein the step of fastening the mat in place comprises inserting substantially "U"-shaped fastening elements through the biocompatible material and into the vertebra.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-10-27 | 2001-04-28 | 2001-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-10-27 | 2005-04-28 | 2005-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-10-27 | 2009-04-28 | 2009-10-28 | $7700.00 | Window Closed / Lapsed |