Patent US6607544B1 successfully refreshed from Google Patents.
US6607544B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expandable preformed structures for deployment in interior body regions
Assignee: Orthophoenix LLC
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Filing: 1999-10-19
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Granted: 2003-08-19
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Expires: 2019-10-19
Abstract
Abstract An expandable structure made from an elastomer material is preformed to a desired geometry by exposure to heat and pressure. The structure undergoes controlled expansion and further distention in cancellous bone, with controlled deformation and without failure.
Inventors
- 👤 Ryan P Boucher
- 👤 Mark A Reiley
- 👤 Robert M Scribner
- 👤 Karen D Talmadge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:14
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/70; A61B17/7097; A61B17/88; A61B17/885; A61B17/8852; A61B17/8855; A61M25/002; A61M29/00; A61M29/02; A61B17/34; A61B17/3472; A61B2017/00526; A61B2017/00535; A61B2017/00539; A61B2017/00544; A61B2017/00557; A61B17/02; A61B17/025; A61B2017/0256; A61B90/00; A61B90/39; A61M2210/00; A61M2210/02; A61M2210/10; A61M2210/1003; A61M25/1011; Y; Y10; Y10S; Y10S606/00; Y10S606/907; Y10S606/91
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
197 words
A device for compacting cancellous bone comprising a wall made from a flexible material, the wall peripherally defining an interior space and including an expandable region preformed with a normally expanded shape outside bone, the expandable region having proximal and distal ends, the expandable region further having a first expanded section having an interior cross-sectional area adjacent the proximal end, a second expanded section having an interior cross-sectional area adjacent the distal end, and a third section having an interior cross-sectional area located between the first and second expanded sections, the interior cross-sectional area of the third section being less than the interior cross-sectional area of either the first or second expanded sections, and the first expanded section, the second expanded section, and the third expanded section further having, respectively, a first average wall thickness, a second average wall thickness, and a third average wall thickness, and the third average wall thickness being greater than either the first average wall thickness or the second average wall thickness, the expandable region, when expanded beyond its normally expanded shape to reach a given inflation volume, presenting a maximum diameter less than a sphere expanded to an equal inflation volume.
Claim 2
Independent Claim
197 words
A device for compacting cancellous bone comprising a wall made from a flexible material, the wall peripherally defining an interior space and including an expandable region preformed with a normally expanded shape outside bone, the expandable region having proximal and distal ends, the expandable region further having a first expanded section having an interior cross-sectional area adjacent the proximal end, a second expanded section having an interior cross-sectional area adjacent the distal end, and a third section having an interior cross-sectional area located between the first and second expanded sections, the interior cross-sectional area of the third section being less than the interior cross-sectional area of either the first or second expanded sections, and the first expanded section, the second expanded section, and the third expanded section further having, respectively, a first average wall thickness, a second average wall thickness, and a third average wall thickness, and the third average wall thickness being greater than either the first average wall thickness or the second average wall thickness, the expandable region, when expanded beyond its normally expanded shape to reach a given inflation volume, presenting a maximum diameter less than a sphere expanded to an equal inflation volume.
Claim 3
Dependent Claim
26 words
A device according to claim 1 wherein the expandable region includes a further expanded shape, outside bone, having a diameter greater than the normally expanded shape.
Claim 4
Dependent Claim
27 words
A device according to claim 2 wherein the expandable region has a further expanded shape inside bone that substantially corresponds to the further expanded shape outside bone.
Claim 5
Dependent Claim
13 words
A device according to claim 1 wherein the expandable region is essentially cylindrical.
Claim 6
Dependent Claim
15 words
A device according to claim 1 wherein the expandable region expands in a non-spherical manner.
Claim 7
Dependent Claim
16 words
A device according to claim 1 wherein the expandable region expands in an essentially cylindrical manner.
Claim 8
Independent Claim
155 words
A method for manipulating bone comprising the steps of deploying into bone an expandable structure having a wall material peripherally defining an interior space, the structure having a proximal and a distal end, the structure further having a first expandable region located near the distal end and a second expandable region located proximally of the first expandable region, the first and second expandable regions separated by a third region of the structure, the third region having a reduced cross-sectional area as compared to the cross-sectional areas of the first and second regions, and the first expandable region, the second expandable region, and the third expandable region further having, respectively, a first average wall thickness, a second average wall thickness, and a third average wall thickness, and the third average wall thickness being greater than either the first average wall thickness or the second average wall thickness, and expanding the device in bone to manipulate bone.
Claim 9
Independent Claim
155 words
A method for manipulating bone comprising the steps of deploying into bone an expandable structure having a wall material peripherally defining an interior space, the structure having a proximal and a distal end, the structure further having a first expandable region located near the distal end and a second expandable region located proximally of the first expandable region, the first and second expandable regions separated by a third region of the structure, the third region having a reduced cross-sectional area as compared to the cross-sectional areas of the first and second regions, and the first expandable region, the second expandable region, and the third expandable region further having, respectively, a first average wall thickness, a second average wall thickness, and a third average wall thickness, and the third average wall thickness being greater than either the first average wall thickness or the second average wall thickness, and expanding the device in bone to manipulate bone.
Claim 10
Dependent Claim
78 words
A method according to claim 7 wherein the wall material of the first expandable region substantially surrounds a first maximum cross-sectional area of the interior space, the wall material of the second expandable region substantially surrounds a second maximum cross-sectional area of the interior space, and the wall material of the third region substantially surrounds a minimum cross-sectional area of the interior space, the first and second maximum cross-sectional areas each being larger than the minimum cross-sectional area.
Claim 11
Dependent Claim
12 words
A method according to claim 7 wherein the wall material comprises polyurethane.
Claim 12
Independent Claim
168 words
A method for compacting cancellous bone comprising the steps of deploying into bone a device having a wall made from a flexible material, the wall peripherally defining an interior space and including an expandable region, the expandable region having proximal and distal ends, the expandable region further having a first expanded section adjacent the distal end, a second expanded section located proximally of the first expanded section, and a third section located between the first and second expanded sections, wherein the average outer diameter of the third section is less than the average outer diameter of either of the first or second expanded sections, and the first expandable region, the second expandable region, and the third expandable region further having, respectively, a first average wall thickness, a second average wall thickness, and a third average wall thickness, and the third average wall thickness being greater than either the first average wall thickness or the second average wall thickness, and expanding the device inside bone to compact cancellous bone.
Claim 13
Independent Claim
168 words
A method for compacting cancellous bone comprising the steps of deploying into bone a device having a wall made from a flexible material, the wall peripherally defining an interior space and including an expandable region, the expandable region having proximal and distal ends, the expandable region further having a first expanded section adjacent the distal end, a second expanded section located proximally of the first expanded section, and a third section located between the first and second expanded sections, wherein the average outer diameter of the third section is less than the average outer diameter of either of the first or second expanded sections, and the first expandable region, the second expandable region, and the third expandable region further having, respectively, a first average wall thickness, a second average wall thickness, and a third average wall thickness, and the third average wall thickness being greater than either the first average wall thickness or the second average wall thickness, and expanding the device inside bone to compact cancellous bone.
Claim 14
Dependent Claim
23 words
A method according to claim 10 wherein the expandable region expands in response to introduction of a flowable material into the interior space.
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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) | 2006-08-18 | 2007-02-17 | 2007-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-08-18 | 2011-02-17 | 2011-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-08-18 | 2015-02-17 | 2015-08-19 | $7700.00 | Window Closed / Lapsed |