Patent US20010049531A1 successfully refreshed from Google Patents.
US20010049531A1
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Systems and methods for treating fractured or diseased bone using expandable bodies
Assignee: Orthophoenix LLC
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Filing: 2001-01-04
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Granted: —
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Expires: 2021-01-04
Abstract
Abstract Systems and methods treat fractured or diseased bone by deploying more than a single therapeutic tool into the bone. In one arrangement, the systems and methods deploy an expandable body in association with a bone cement nozzle into the bone, such that both occupy the bone interior at the same time. In another arrangement, the systems and methods deploy multiple expandable bodies, which occupy the bone interior volume simultaneously. Expansion of the bodies form cavity or cavities in cancellous bone in the interior bone volume.
Inventors
- 👤 Mark Reiley
- 👤 Arie Scholten
- 👤 Karen Talmadge
- 👤 Robert Scribner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:13
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/88; A61B17/885; A61B17/8852; A61B17/8855; A61B10/00; A61B10/02; A61B10/0233; A61B10/025; A61B17/68; A61B17/70; A61B17/7061; A61B17/7097; A61B17/7098; A61B17/72; A61B17/7233; A61B17/7258; A61B17/8802; A61B17/8805; A61B17/8811; A61B17/8816; A61B90/00; A61B90/90; A61B90/94; A61F; A61F2/00; A61F2/02; A61F2/28; A61F2/30; A61F2/44; A61F2/441; A61F2/46; A61F2/4601; A61F2/4603; A61F2/4611; A61M; A61M25/00; A61M25/10; A61M25/1002; A61M29/00; A61M29/02; A61B10/0283; A61B17/00234; A61B17/7291; A61B17/74; A61B17/742; A61B17/744; A61B2010/0258; A61B2017/00535; A61B2017/00539; A61B2017/00544; A61B17/02; A61B17/025; A61B2017/0256; A61B50/00; A61B2050/005; A61B2050/0065; A61B50/30; A61B2050/3015; A61B50/33; A61B90/39; A61F2/2846; A61F2002/2817; A61F2002/2825; A61F2002/2828; A61F2002/2832; A61F2002/2835; A61F2002/2853; A61F2002/2871; A61F2002/2892; A61F2002/30001; A61F2002/30108; A61F2002/3011; A61F2002/30112; A61F2002/30113; A61F2002/30115; A61F2002/30125; A61F2002/30133; A61F2002/30199; A61F2002/302; A61F2002/30224; A61F2002/30225; A61F2002/30228; A61F2002/30242; A61F2002/30245; A61F2002/30252; A61F2002/30253; A61F2002/30285; A61F2002/30288; A61F2002/30308; A61F2002/30313; A61F2002/30316; A61F2002/30329; A61F2002/30448; A61F2002/30462; A61F2002/30535; A61F2002/30581; A61F2002/30586; A61F2002/30599; A61F2002/30667; A61F2002/30677; A61F2/30767; A61F2/30907; A61F2002/30909; A61F2/42; A61F2/4202; A61F2002/4212; A61F2002/4215; A61F2002/4217; A61F2002/4625; A61F2002/4627; A61F2002/4635; A61F2002/4685; A61F2220/00; A61F2220/0025; A61F2220/005; A61F2220/0075; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0006; A61F2230/0008; A61F2230/0015; A61F2230/0063; A61F2230/0065; A61F2230/0069; A61F2230/0071; A61F2230/0073; A61F2230/0076; A61F2250/00; A61F2250/0058; A61F2250/006; A61F2250/0063; A61F2310/00; A61F2310/00005; A61F2310/00179; A61F2310/00293; A61F2310/00353; A61F2310/00389; A61F2310/0097; A61M2210/00; A61M2210/02; A61M2210/10; A61M2210/1003
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
130 words
1 . A tool for insertion into bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, the tool comprising a guide tube, an expandable body carried by the guide tube in a normally collapsed geometry for insertion into the interior volume, a nozzle carried by the guide tube near the expandable body for insertion into the interior volume with the expandable body, a first lumen in the guide tube communicating with the expandable body to convey medium causing expansion of the expandable body in the interior volume to compact cancellous bone and form a cavity in the interior volume, and a second lumen in the guide tube communicating with the nozzle to convey a material for discharge from the nozzle into the cavity.
Claim 2
Dependent Claim
130 words
1 . A tool for insertion into bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, the tool comprising a guide tube, an expandable body carried by the guide tube in a normally collapsed geometry for insertion into the interior volume, a nozzle carried by the guide tube near the expandable body for insertion into the interior volume with the expandable body, a first lumen in the guide tube communicating with the expandable body to convey medium causing expansion of the expandable body in the interior volume to compact cancellous bone and form a cavity in the interior volume, and a second lumen in the guide tube communicating with the nozzle to convey a material for discharge from the nozzle into the cavity.
Claim 3
Dependent Claim
17 words
2 . A tool according to claim 1 wherein the nozzle is a bone cement injection nozzle.
Claim 4
Dependent Claim
122 words
3 . A system for insertion into bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, the system comprising an expandable body adapted to selectively assume a collapsed geometry for insertion into the interior volume, a nozzle for insertion into the interior volume to occupy the interior volume with the expandable body, a first element communicating with the expandable body to convey medium causing expansion of the expandable body in the interior volume to compact cancellous bone and form a cavity in the region, and a second element communicating with the nozzle to convey a material for discharge from the nozzle into the cavity at least partially while the expandable body occupies the interior volume.
Claim 5
Dependent Claim
122 words
3 . A system for insertion into bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, the system comprising an expandable body adapted to selectively assume a collapsed geometry for insertion into the interior volume, a nozzle for insertion into the interior volume to occupy the interior volume with the expandable body, a first element communicating with the expandable body to convey medium causing expansion of the expandable body in the interior volume to compact cancellous bone and form a cavity in the region, and a second element communicating with the nozzle to convey a material for discharge from the nozzle into the cavity at least partially while the expandable body occupies the interior volume.
Claim 6
Dependent Claim
17 words
4 . A system according to claim 3 wherein the nozzle is a bone cement injecting nozzle.
Claim 7
Dependent Claim
103 words
5 . A method for treating bone comprising the steps of selecting a body comprising an expandable wall, selecting a nozzle for discharging a material, inserting both the body and the nozzle into a bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, causing the body to assume an expanded geometry while occupying the interior volume in the presence of the nozzle to compact cancellous bone and form a cavity in the interior volume, and conveying a material for discharge through the nozzle into the cavity at least partially while the body occupies the interior volume.
Claim 8
Dependent Claim
103 words
5 . A method for treating bone comprising the steps of selecting a body comprising an expandable wall, selecting a nozzle for discharging a material, inserting both the body and the nozzle into a bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, causing the body to assume an expanded geometry while occupying the interior volume in the presence of the nozzle to compact cancellous bone and form a cavity in the interior volume, and conveying a material for discharge through the nozzle into the cavity at least partially while the body occupies the interior volume.
Claim 9
Dependent Claim
21 words
6 . A method according to claim 5 wherein the conveying step includes conveying bone cement for discharge through the nozzle.
Claim 10
Dependent Claim
103 words
7 . A system for treating bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, the system comprising a first expandable body having a collapsed geometry for insertion into the interior volume through a first access path in cortical bone, a second expandable body having a collapsed geometry for insertion into the interior volume through a second access path in cortical bone different than the first access path, and the first and second expandable bodies each being adapted to individually assume an expanded geometry for compacting cancellous bone to form a cavity in the interior volume.
Claim 11
Dependent Claim
103 words
7 . A system for treating bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, the system comprising a first expandable body having a collapsed geometry for insertion into the interior volume through a first access path in cortical bone, a second expandable body having a collapsed geometry for insertion into the interior volume through a second access path in cortical bone different than the first access path, and the first and second expandable bodies each being adapted to individually assume an expanded geometry for compacting cancellous bone to form a cavity in the interior volume.
Claim 12
Dependent Claim
112 words
8 . A system for treating a vertebral body having cortical bone surrounding an interior volume occupibd at least in part, by cancellous bone, the system comprising a first expandable body having a collapsed geometry for insertion into the interior volume through a first access path in cortical bone comprising either transpedicular access or postereolateral access, a second expandable body having a collapsed geometry for insertion into the interior volume through a second access path in cortical bone different than the first access path, and the first and second expandable bodies each being adapted to individually assume an expanded geometry for compacting cancellous bone to form a cavity in the interior volume.
Claim 13
Dependent Claim
112 words
8 . A system for treating a vertebral body having cortical bone surrounding an interior volume occupibd at least in part, by cancellous bone, the system comprising a first expandable body having a collapsed geometry for insertion into the interior volume through a first access path in cortical bone comprising either transpedicular access or postereolateral access, a second expandable body having a collapsed geometry for insertion into the interior volume through a second access path in cortical bone different than the first access path, and the first and second expandable bodies each being adapted to individually assume an expanded geometry for compacting cancellous bone to form a cavity in the interior volume.
Claim 14
Dependent Claim
19 words
9 . A system according to claim 8 wherein the first and second access paths comprise different posterolateral accesses.
Claim 15
Dependent Claim
19 words
10 . A system according to claim 8 wherein the first and second access paths comprise different transpedicular accesses.
Claim 16
Dependent Claim
23 words
11 . A system according to claim 8 wherein the first a second access paths comprise a transpedicular access and a postereolateral access.
Claim 17
Dependent Claim
155 words
12 . A system for treating bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, the system comprising an expandable body comprising a first expandable zone having a collapsed geometry for insertion into the interior volume, the first expandable zone being adapted to assume an elongated expanded geometry having a first dimension extending substantially across the interior volume, to form a barrier within the interior volume, and a second dimension less than the first dimension, to leave a region of substantially uncompacted cancellous bone extending from the barrier within the interior volume, a second expandable zone having a collapsed geometry for insertion into the region, the second expandable zone being adapted to assume an expanded geometry for compacting cancellous bone to form a cavity in the region while the barrier serves to direct expansion of the second expandable zone in the region away from the first expandable zone.
Claim 18
Dependent Claim
155 words
12 . A system for treating bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, the system comprising an expandable body comprising a first expandable zone having a collapsed geometry for insertion into the interior volume, the first expandable zone being adapted to assume an elongated expanded geometry having a first dimension extending substantially across the interior volume, to form a barrier within the interior volume, and a second dimension less than the first dimension, to leave a region of substantially uncompacted cancellous bone extending from the barrier within the interior volume, a second expandable zone having a collapsed geometry for insertion into the region, the second expandable zone being adapted to assume an expanded geometry for compacting cancellous bone to form a cavity in the region while the barrier serves to direct expansion of the second expandable zone in the region away from the first expandable zone.
Claim 19
Dependent Claim
19 words
13 . A system according to claim 12 wherein the first and second expandable zones comprise separate expandable assemblies.
Claim 20
Dependent Claim
22 words
14 . A system according to claim 12 wherein the first and second expandable zone comprise parts of a single expandable assembly.
Claim 21
Dependent Claim
129 words
15 . A method for treating bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, the method comprising the steps of selecting a first body comprising an expandable wall, selecting a second body comprising an expandable wall, inserting the first expandable body into the interior volume, through a first access path through cortical bone, and inserting the second expandable body into the interior volume through a second access path through cortical bone different than the first access path, and causing at least one of the first and second expandable bodies to assume an expanded geometry while occupying the interior volume, to compact a region of cancellous bone in the interior volume about the expandable body to form a cavity in the region.
Claim 22
Dependent Claim
129 words
15 . A method for treating bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, the method comprising the steps of selecting a first body comprising an expandable wall, selecting a second body comprising an expandable wall, inserting the first expandable body into the interior volume, through a first access path through cortical bone, and inserting the second expandable body into the interior volume through a second access path through cortical bone different than the first access path, and causing at least one of the first and second expandable bodies to assume an expanded geometry while occupying the interior volume, to compact a region of cancellous bone in the interior volume about the expandable body to form a cavity in the region.
Claim 23
Dependent Claim
105 words
16 . A method for treating bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, the method comprising the steps of inserting an expandable body having first and second expandable zones into the interior volume, expanding the first expandable zone to form a barrier within the interior volume while leaving a region of substantially uncompacted cancellous bone extending from the barrier within the interior volume, and expanding the second expandable zone in the region to compact cancellous bone and form a cavity in the region while the barrier directs expansion of the second expandable zone into the region.
Claim 24
Dependent Claim
105 words
16 . A method for treating bone having cortical bone surrounding an interior volume occupied, at least in part, by cancellous bone, the method comprising the steps of inserting an expandable body having first and second expandable zones into the interior volume, expanding the first expandable zone to form a barrier within the interior volume while leaving a region of substantially uncompacted cancellous bone extending from the barrier within the interior volume, and expanding the second expandable zone in the region to compact cancellous bone and form a cavity in the region while the barrier directs expansion of the second expandable zone into the region.
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