Expandable interbody fusion device
US-9095447-B2 · Aug 4, 2015 · US
Enhanced cage insertion assembly
US10327911B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10327911-B2 |
| Application number | US-201715653586-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 19, 2017 |
| Priority date | Jun 24, 2010 |
| Publication date | Jun 25, 2019 |
| Grant date | Jun 25, 2019 |
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- Title
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Abstract
Official abstract text for this publication.
An inserter instrument for inserting an intervertebral fusion cage having curved sidewalls, comprising: a) a threaded securement rod that mates with the cage via screw threads; b) a cannulated cage holder to receive the rod and hold the cage in position as the sheath is retracted; and c) a bulleted cannulated sheath, wherein the sheath is curved and comprises a superelastic shape memory material having a curved configuration and a straight configuration.
First claim
Opening claim text (preview).
We claim: 1. An assembly comprising: i) an intervertebral fusion cage having curved, substantially parallel sidewalls, and ii) an inserter instrument for inserting the intervertebral fusion cage, comprising: a) a threaded securement rod that mates with the cage via screw threads; b) a cannulated cage holder to receive the rod and hold the cage in position; and c) a bulleted cannulated, extensible and retractable sheath extending from the cage holder, wherein the sheath is curved and comprises a superelastic shape memory material having a curved configuration and a straight configuration, wherein the cannulated cage holder holds the cage in position as the sheath is retracted, wherein the sheath comprises curved sidewalls having a geometry substantially similar to the curved, substantially parallel sidewalls of the cage, thereby providing for shielded placement of the cage in a final location prior to sheath retraction. 2. An assembly comprising: i) an intervertebral fusion cage having curved, substantially parallel sidewalls, and ii) an inserter instrument for inserting the intervertebral fusion cage, comprising: a) a threaded securement rod that mates with the cage via screw threads; b) a cannulated cage holder to receive the rod and hold the cage in position; and c) a bulleted cannulated, extensible and retractable sheath extending from the cage holder, wherein the sheath is curved and comprises a superelastic shape memory material having a curved configuration and a straight configuration, wherein the cannulated cage holder holds the cage in position as the sheath is retracted, and wherein the inserter is adapted for distal loading of the cage, thereby allowing for minimal diameter of the bulleted sheath and cannulated cage holder. 3. An assembly comprising: i) an intervertebral fusion cage having curved, substantially parallel sidewalls, and ii) an inserter instrument for inserting the intervertebral fusion cage, comprising: a) a threaded securement rod that mates with the cage via screw threads; b) a cannulated cage holder to receive the rod and hold the cage in position; and c) a bulleted cannulated, extensible and retractable sheath extending from the cage holder wherein the sheath is curved and comprises a superelastic shape memory material having a curved configuration and a straight configuration, wherein the cannulated cage holder holds the cage in position as the sheath is retracted, and wherein the inserter is adapted for proximal cage loading, thereby allowing for an increased diameter of the bulleted sheath and cannulated cage holder. 4. The assembly of claim 3 wherein the curved inserter is self-steerable by using a memory metal or memory polymer sheath.
Assignees
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Classifications
differing in absorbability or resorbability, i.e. in absorption or resorption time · CPC title
hollow · CPC title
comprising multiple adjacent spinal implants within the same intervertebral space or within the same vertebra, e.g. comprising two adjacent spinal implants · CPC title
containing zirconia or zirconium oxide ZrO2 · CPC title
Titanium or titanium-based alloys, e.g. Ti-Ni alloys · CPC title
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- What does patent US10327911B2 cover?
- An inserter instrument for inserting an intervertebral fusion cage having curved sidewalls, comprising: a) a threaded securement rod that mates with the cage via screw threads; b) a cannulated cage holder to receive the rod and hold the cage in position as the sheath is retracted; and c) a bulleted cannulated sheath, wherein the sheath is curved and comprises a superelastic shape…
- Who is the assignee on this patent?
- Depuy Synthes Products Inc
- What technology area does this patent fall under?
- Primary CPC classification A61F2/4455. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Jun 25 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).