US7241303B2
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Devices and methods using an expandable body with internal restraint for compressing cancellous bone
Assignee: Orthophoenix LLC
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Filing: 2004-06-08
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Granted: 2007-07-10
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Expires: 2024-06-08
Abstract
Abstract Devices and methods compress cancellous bone. In one arrangement, the devices and methods make use of an expandable body that includes an internal restraint coupled to the body. The internal restraint directs expansion of the body. In one arrangement, a method for treating bone inserts the device having the internal restraint inside bone and causes directed expansion of the body in cancellous bone. Cancellous bone is compacted by the directed expansion.
Inventors
- 👤 Paul Reiss
- 👤 Cesar Ico
- 👤 Karen D Talmadge
- 👤 Mark A Reiley
- 👤 Arie Scholten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:28
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/88; A61B17/8866; A61B10/00; A61B10/02; A61B10/0233; A61B10/025; A61B17/68; A61B17/70; A61B17/7097; A61B17/72; A61B17/7233; A61B17/7258; A61B17/7275; A61B17/885; A61B17/8852; A61B17/8855; 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; A61M25/1006; A61M25/1009; A61M29/00; A61M29/02; A61B17/00234; A61B17/02; A61B17/8802; A61B17/8805; A61B2010/0258; A61B2017/00535; A61B2017/00539; A61B2017/00544; A61B2017/00557; A61B17/025; A61B2017/0256; A61B50/00; A61B2050/005; A61B2050/0065; A61B50/30; A61B2050/3015; A61B50/33; A61B90/39; A61F2/2846; A61F2/32; A61F2/36; A61F2/3601; A61F2/38; A61F2/389; 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; A61F2002/30131; 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; A61F2002/30682; A61F2002/30686; A61F2/30767; A61F2/30907; A61F2002/30909; A61F2/3609; A61F2002/3611; A61F2002/3625; A61F2/40; A61F2/4059; A61F2002/4062; 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; A61F2230/0013; 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; A61M2025/1043; A61M2025/1059; A61M2025/1072; A61M2210/00; A61M2210/02; A61M2210/10; A61M2210/1003; A61M25/1011
Claims Analysis
Total Claims: 54
Claim 1
Independent Claim
57 words
A method comprising the steps of providing a structure capable of compressing cancellous bone and comprising extruding an expandable body and coextruding an internal membrane within the body that directs expansion of the body, inserting the expandable body inside bone, causing directed expansion of the body in cancellous bone, and compacting cancellous bone by the directed expansion.
Claim 2
Independent Claim
57 words
A method comprising the steps of providing a structure capable of compressing cancellous bone and comprising extruding an expandable body and coextruding an internal membrane within the body that directs expansion of the body, inserting the expandable body inside bone, causing directed expansion of the body in cancellous bone, and compacting cancellous bone by the directed expansion.
Claim 3
Dependent Claim
41 words
A method according to claim 1 wherein extruding includes extruding a length of extruded tubing that includes an elongated axis, and wherein coextruding includes coextruding the internal membrane along the elongated axis to divide the tubing into a least two lumens.
Claim 4
Dependent Claim
45 words
A method according to claim 1 wherein extruding includes extruding a length of extruded tubing that includes opposing end surfaces formed along an elongated axis, and wherein coextruding includes coextruding the internal membrane along the elongated axis between opposing end surfaces of the expandable body.
Claim 5
Dependent Claim
38 words
A method according to claim 1 wherein the extruded expandable body includes an elongated axis, and wherein the coextruded internal membrane constrains expansion of the extruded expandable body in at least one direction relative to the elongated axis.
Claim 6
Dependent Claim
47 words
A method according to claim 1 wherein the extruded expandable body includes an elongated axis, and wherein the coextruded internal membrane constrains expansion of the extruded expandable body more in one direction relative to the elongated axis than in a second direction relative to the elongated axis.
Claim 7
Independent Claim
46 words
A method comprising the steps of inserting an expandable body inside bone, the expandable body including an internal restraint coupled to the body which directs expansion of the body, causing directed expansion of the body in cancellous bone, and compacting cancellous bone by the directed expansion.
Claim 8
Independent Claim
46 words
A method comprising the steps of inserting an expandable body inside bone, the expandable body including an internal restraint coupled to the body which directs expansion of the body, causing directed expansion of the body in cancellous bone, and compacting cancellous bone by the directed expansion.
Claim 9
Dependent Claim
14 words
A method according to claim 6 wherein the directed expansion moves vertebral end plates.
Claim 10
Dependent Claim
14 words
A method according to claim 6 wherein the directed expansion lifts tibial plateau depressions.
Claim 11
Dependent Claim
14 words
A method according to claim 6 wherein the directed expansion lifts proximal humerus depressions.
Claim 12
Dependent Claim
13 words
A method according to claim 6 wherein the directed expansion moves cortical bone.
Claim 13
Dependent Claim
15 words
A method according to claim 10 wherein the movement of cortical bone reduces a fracture.
Claim 14
Dependent Claim
16 words
A method according to claim 6 wherein the step of compacting cancellous bone forms a cavity.
Claim 15
Dependent Claim
17 words
A method according to claim 12 further including the step of filling the cavity with a material.
Claim 16
Dependent Claim
14 words
A method according to claim 13 wherein the material comprises a biocompatible bone substitute.
Claim 17
Dependent Claim
12 words
A method according to claim 13 wherein the material comprises bone cement.
Claim 18
Dependent Claim
13 words
A method according to claim 13 wherein the material comprises synthetic bone substitute.
Claim 19
Dependent Claim
19 words
A method according to claim 13 wherein the material comprises a flowable material that sets to a hardened condition.
Claim 20
Independent Claim
76 words
A method comprising the steps of providing a structure capable of compressing cancellous bone comprising extruding an expandable body and coextruding an internal membrane within the body that directs expansion of the body, the body including material that, during the expansion in cancellous bone, applies a force capable of moving fractured cortical bone, inserting the expandable body inside bone, causing constrained expansion of the body in cancellous bone, and compacting cancellous bone by the constrained expansion.
Claim 21
Independent Claim
76 words
A method comprising the steps of providing a structure capable of compressing cancellous bone comprising extruding an expandable body and coextruding an internal membrane within the body that directs expansion of the body, the body including material that, during the expansion in cancellous bone, applies a force capable of moving fractured cortical bone, inserting the expandable body inside bone, causing constrained expansion of the body in cancellous bone, and compacting cancellous bone by the constrained expansion.
Claim 22
Dependent Claim
41 words
A method according to claim 18 wherein extruding includes extruding a length of extruded tubing that includes an elongated axis, and wherein coextruding includes corextruding the internal membrane along the elongated axis to divide the tubing into a least two lumens.
Claim 23
Dependent Claim
45 words
A method according to claim 18 wherein extruding includes extruding a length of extruded tubing that includes opposing end surfaces formed along an elongated axis, and wherein coextruding includes coextruding the internal membrane along the elongated axis between opposing end surfaces of the expandable body.
Claim 24
Dependent Claim
37 words
A method according to claim 18 wherein the extruded expandable body includes an elongated axis, wherein the coextruded internal membrane constrains expansion of the extruded expandable body in at least one direction relative to the elongated axis.
Claim 25
Dependent Claim
46 words
A method according to claim 18 wherein the extruded expandable body includes an elongated axis, wherein the coextruded internal membrane constrains expansion of the extruded expandable body more in one direction relative to the elongated axis than in a second direction relative to the elongated axis.
Claim 26
Independent Claim
82 words
A method comprising the steps of inserting a device inside bone, the device comprising a body adapted to be inserted into bone and undergo expansion in cancellous bone to compact cancellous bone, the body including material that, during the expansion in cancellous bone, applies a force capable of moving fractured cortical bone, and further includes an interior membrane to constrain the expansion in cancellous bone, causing constrained expansion of the body in cancellous bone, and compacting cancellous bone by the constrained expansion.
Claim 27
Independent Claim
82 words
A method comprising the steps of inserting a device inside bone, the device comprising a body adapted to be inserted into bone and undergo expansion in cancellous bone to compact cancellous bone, the body including material that, during the expansion in cancellous bone, applies a force capable of moving fractured cortical bone, and further includes an interior membrane to constrain the expansion in cancellous bone, causing constrained expansion of the body in cancellous bone, and compacting cancellous bone by the constrained expansion.
Claim 28
Dependent Claim
14 words
A method according to claim 23 wherein the constrained expansion moves vertebral end plates.
Claim 29
Dependent Claim
14 words
A method according to claim 23 wherein the constrained expansion lifts tibial plateau depressions.
Claim 30
Dependent Claim
14 words
A method according to claim 23 wherein the constrained expansion lifts proximal humerus depressions.
Claim 31
Dependent Claim
13 words
A method according to claim 23 wherein the constrained expansion moves cortical bone.
Claim 32
Dependent Claim
15 words
A method according to claim 27 wherein the movement of cortical bone reduces a fracture.
Claim 33
Dependent Claim
16 words
A method according to claim 23 wherein the step of compacting cancellous bone forms a cavity.
Claim 34
Dependent Claim
17 words
A method according to claim 29 further including the step of filling the cavity with a material.
Claim 35
Dependent Claim
14 words
A method according to claim 30 wherein the material comprises a biocompatible bone substitute.
Claim 36
Dependent Claim
12 words
A method according to claim 30 wherein the material comprises bone cement.
Claim 37
Dependent Claim
13 words
A method according to claim 30 wherein the material comprises synthetic bone substitute.
Claim 38
Dependent Claim
19 words
A method according to claim 30 wherein the material comprises a flowable material that sets to a hardened condition.
Claim 39
Independent Claim
44 words
A method comprising the steps of inserting an expandable body inside bone, the expandable body including an internal restraint coupled to the body which directs expansion of the body, and causing directed expansion of the body in cancellous bone to move vertebral end plates.
Claim 40
Independent Claim
44 words
A method comprising the steps of inserting an expandable body inside bone, the expandable body including an internal restraint coupled to the body which directs expansion of the body, and causing directed expansion of the body in cancellous bone to move vertebral end plates.
Claim 41
Independent Claim
44 words
A method comprising the steps of inserting an expandable body inside bone, the expandable body including an internal restraint coupled to the body which directs expansion of the body, and causing directed expansion of the body in cancellous bone to lift tibial plateau depressions.
Claim 42
Independent Claim
44 words
A method comprising the steps of inserting an expandable body inside bone, the expandable body including an internal restraint coupled to the body which directs expansion of the body, and causing directed expansion of the body in cancellous bone to lift tibial plateau depressions.
Claim 43
Independent Claim
44 words
A method comprising the steps of inserting an expandable body inside bone, the expandable body including an internal restraint coupled to the body which directs expansion of the body, and causing directed expansion of the body in cancellous bone to lift proximal humerus depressions.
Claim 44
Independent Claim
44 words
A method comprising the steps of inserting an expandable body inside bone, the expandable body including an internal restraint coupled to the body which directs expansion of the body, and causing directed expansion of the body in cancellous bone to lift proximal humerus depressions.
Claim 45
Independent Claim
43 words
A method comprising the steps of inserting an expandable body inside bone, the expandable body including an internal restraint coupled to the body which directs expansion of the body, and causing directed expansion of the body in cancellous bone to move cortical bone.
Claim 46
Independent Claim
43 words
A method comprising the steps of inserting an expandable body inside bone, the expandable body including an internal restraint coupled to the body which directs expansion of the body, and causing directed expansion of the body in cancellous bone to move cortical bone.
Claim 47
Dependent Claim
15 words
A method according to claim 38 wherein the movement of cortical bone reduces a fracture.
Claim 48
Independent Claim
43 words
A method comprising the steps of inserting an expandable body inside bone, the expandable body including an internal restraint coupled to the body which directs expansion of the body, and causing directed expansion of the body in cancellous bone to compress cancellous bone.
Claim 49
Independent Claim
43 words
A method comprising the steps of inserting an expandable body inside bone, the expandable body including an internal restraint coupled to the body which directs expansion of the body, and causing directed expansion of the body in cancellous bone to compress cancellous bone.
Claim 50
Dependent Claim
12 words
A method according to claim 40 wherein the compressing forms a cavity.
Claim 51
Dependent Claim
14 words
A method according to claim 41 further including filling the cavity with a material.
Claim 52
Dependent Claim
12 words
A method according to claim 42 wherein the material comprises bone cement.
Claim 53
Dependent Claim
19 words
A method according to claim 42 wherein the material comprises a flowable material that sets to a hardened condition.
Claim 54
Dependent Claim
13 words
A method according to claim 42 wherein the material comprises synthetic bone substitute.
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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) | 2010-07-09 | 2011-01-08 | 2011-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2014-07-09 | 2015-01-08 | 2015-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2018-07-09 | 2019-01-08 | 2019-07-10 | $7700.00 | Window Closed / Lapsed |