CN104306054B - A kind of expansible vertebral plasty support - Google Patents
A kind of expansible vertebral plasty support Download PDFInfo
- Publication number
- CN104306054B CN104306054B CN201410517497.4A CN201410517497A CN104306054B CN 104306054 B CN104306054 B CN 104306054B CN 201410517497 A CN201410517497 A CN 201410517497A CN 104306054 B CN104306054 B CN 104306054B
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- China
- Prior art keywords
- support
- nut
- core pipe
- leading portion
- expansible
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/885—Tools for expanding or compacting bones or discs or cavities therein
- A61B17/8852—Tools for expanding or compacting bones or discs or cavities therein capable of being assembled or enlarged, or changing shape, inside the bone or disc
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
Abstract
The present invention relates to a kind of medical apparatus and instruments, be specifically related to a kind of expansible vertebral plasty support.A kind of expansible vertebral plasty support, including support, core pipe and nut, it is characterised in that: described support is hollow pipe, and it is at least divided into front end, main body, rear end three part；Described main body includes support bar and the support chip of upper and lower symmetry；Described core pipe is made up of leading portion and back segment, and its back segment has external screw thread；Described nut has leading portion and back segment, and the female thread of its inner chamber coordinates with the back segment of core pipe, and leading portion is connected with the rear end of support, and back segment is provided with the breach of rotatable nut；Fix between the front end of described support and the leading portion of core pipe and be connected.The present invention is a kind of adjustable degrees of expansion and dimension, and the height of expansion can maintain and without the support extracted out in vertebral body.
Description
Technical field
The present invention and a kind of medical apparatus and instruments, be specifically related to the Intrapyramidal expansible shaped bracket of a kind of implantation.
Background technology
Spinal fracture can be caused by many factors.Can be classified as according to its cause of disease: 1) physics responsible, as violence causes
Traumatic fracture；2) age physiologic factor, such as osteoporosis；3) biological factor, the disease caused such as bacterial inflammation, abscess
Reason etc..The expectant treatment method of spinal fracture, including: lie up, Brace Treatment, osteosporosis resistant medicament treatment etc..On
Stating Therapeutic Method, not only patient is difficult to stand, and therapeutic effect is poor.It addition, surgical operation therapy spinal fracture, it is main
Means are, use open interior immobilization treatment.Its shortcoming is, the wound face of operation is bigger；And for osteoporotic compression
Property fracture, owing to the bone strength of patient reduces, obtain reliably, stably in fixing highly difficult.It addition, it is intravertebral fixing
Part, may deviate from from sclerotin, so that Unstable internal fixation, causes the loss of kyphosis deformity correction degree.
Within 1984, carried out first case percutaneous vertbroplasty in Amiens university of France by Galibert and Deramond,
Enter vertebral body by transcutaneous placement sleeve pipe injection bone cement and complete the enhancing of vertebral body.
The side of balloon expandable in U.S. Berkeley orthopedist Mark Reiley employing percutaneous puncture vertebral body in 1999
Method, makes corpus vertebrae replacement recession return of serve capsule, then injects bone cement entrance vertebral body, i.e. Percutaneous kyplasty.
Patent ZL 200410086120.4 describes metal tennis balled vertebrae shaping apparatus, use high-elastic wire cross around
Make spherical or oval spherical replacement sacculus and strut the vertebral body compressed, then withdraw from metal ball or metal ball is retained in vertebra
Internal, refill bone cement or with other vertebral body reinforcing material.
But, there is its own shortcomings in described sacculus wire netting ball: 1) bone cement easily leaks；2) sacculus is easily punctured by bony spur；
3) support force of sacculus or wire netting ball is non-directional, can oppress the vertebral body position without supporting；4) from the support playing support
Power can not adjust, and supports instability；5) it may happen that vertebral height is lost again in operation.
Summary of the invention
The shortcoming that the present invention be directed to above-mentioned prior art, it is provided that a kind of adjustable expanded height and dimension, expands
The height opened can maintain, and without the support extracted out in vertebral body.
The technical scheme is that a kind of expansible vertebral plasty support, including support, core pipe and nut.Described
Frame is hollow pipe, and it is at least divided into front end, main body, rear end three part；Described main body includes support bar and the support of upper and lower symmetry
Sheet；Described core pipe is made up of front and rear, and there is external screw thread at its rear portion；Described nut has leading portion and back segment, the interior spiral shell of its inner chamber
Stricture of vagina coordinates with the rear portion of core pipe, and leading portion is connected with the rear end of support, and back segment is provided with the breach of rotatable nut；Before described support
Fix between end and the front portion of core pipe and be connected.
Described support is formed through laser engraving by niti-shaped memorial alloy pipe, stainless steel tube or macromolecular material.
Described support chip can connect expanding plate.Connect expanding plate and be to ensure that the area of expansion.Support chip and expanding plate
Connected mode can be welding or bonding.
The front end of described support is bonding, welding or mechanical pins connection with the anterior fixing connected mode of core pipe.
The leading portion of described nut is fluted, and groove is connected with the boss of back-end support inner chamber, and the leading portion top of nut
Live the inner chamber of back-end support.
The material of described core pipe is marmem pipe, stainless steel tube or other material, the number of openings on its tube wall
At least one.
The material of described nut is marmem, rustless steel or other material.
Support regulates its degrees of expansion by rotating nut.Dimension can also be adjusted by swinging mounting.
Compared with prior art, it is an advantage of the current invention that: the expansion of support has directivity, can avoid oppressing without support
The vertebral body position opened, makes to strut effect more efficient.The height-adjustable of stent-expansion, and can be locked, support force is more stable.
Expansion is subsided after vertebral body, and support is without extracting in vertebral body, and the vertebral body being propped up squeezes in the elastic creep of adjacent upper and lower intervertebral disc
Pressure, its height can completely be maintained, therefore be there is not the situation that vertebral height is lost again in art.Support after expansion can be effective
Strut the vertebral body of compression, recover vertebral height.It is internally formed space, required pushing away when not only can reduce injection bone cement vertebral body
Power, and disposed within being difficult to of bone cement is flowed, and can reduce leakage.
Accompanying drawing explanation
The present invention is described in detail below in conjunction with the accompanying drawings with detailed description of the invention；
Fig. 1 is before expansible vertebral plasty support 1(struts)；
Fig. 2 is after expansible vertebral plasty support 1(struts)；
Fig. 3 is support 1；
Fig. 4 is core pipe；
Fig. 5 is nut；
Fig. 6 is before expansible vertebral plasty support 2(struts)；
Fig. 7 is after expansible vertebral plasty support 2(struts)；
Fig. 8 is support 2；
Fig. 9 is the partial sectional view that back-end support is connected with nut leading portion；
Figure 10 is the accompanying drawing of patent ZL200410086120.4.
Detailed description of the invention
Below according to embodiment and accompanying drawing, the present invention is described in further detail.
Embodiment one
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 9, shown in be the one of a kind of expansible vertebral plasty support of the present invention
Specific embodiment, including support 1, core pipe 2 and nut 3.Its medium-height trestle 1 can be by niti-shaped memorial alloy pipe laser engraving
Becoming, its structure includes front end 11, main body 12, rear end 13, and wherein main body 12 includes support bar 121 and the support chip of upper and lower symmetry
122 compositions.Core pipe 2 can be formed by marmem pipe, stainless steel tube or other materials processing, and core pipe has inner chamber 23, and
An at least through hole on its tube wall, in order to bone cement enters core pipe；The outer surface at the rear portion 22 of core pipe has screw thread, this spiral shell
Stricture of vagina can coordinate with nut 3.Nut 3 can be made up of marmem pipe, stainless steel tube or other material, and its structure includes leading portion
31, back segment 32, inner chamber, wherein nut leading portion 31 is connected with support 1, and connected mode can be bonding, welding or mechanical pins connection；
Nut back segment 32 jagged 33, by this breach 33 rotatable nut 3, its inner chamber has screw thread, and nut 3 can be on core pipe 2
Thread helix moves.Support 1 is enclosed within core pipe 2, and front end 11 is completely fixed with core pipe 2, and rear end 13 connects with the leading portion 31 of nut 3
Connecing, adjusting nut 3, in the position of core pipe 2, determines the degree of the expansion of support 1.
Niti-shaped memorial alloy pipe laser engraving becomes the tubular structure of support, shapes the expansion shape of support 1
After process, support 1, nut 2 being all enclosed within core pipe 2, the front end 11 of support can be fixed with pin with core pipe 2, and by support
The boss 131 of rear end 13 inner chamber snap in the groove of leading portion 31 of nut, can realize can only rotating between support 1 and nut 3
And can not the function of axially opposing movement.Expansible vertebral plasty support is put in frozen water, rotates nut 1 and support 3 is stretched
For the tubulose before expansion, support 1 is tightly bonded together with core pipe 2.
By expansible vertebral plasty support by sending in vertebral body outside cone nut or pedicle of vertebral arch, adjust expansible vertebral body
The angle of shaped bracket, after determining the direction of vertebral body needing to strut, rotates nut 3 expandable stent 1, and support bar 121 can be according to
Direction bending during setting, support 1 reverts to the expansion shape of sizing under human body temperature, and the position of adjusting nut 3 determines props up
The degrees of expansion of frame 1, the support chip 122 of the support 1 after expansion effectively struts the vertebral body of compression, recovers vertebral height, vertebral body
It is internally formed space, bone cement or other vertebral body reinforcing material are filled in the inner space of vertebral body, thus fixing compression bone
The vertebral body of folding.
Embodiment two
In conjunction with Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, shown in be the one of a kind of expansible vertebral plasty support of the present invention
Specific embodiment, including support 1, core pipe 2 and nut 3.Its medium-height trestle 1 can be formed through laser engraving by stainless steel tube, its structure
Including front end 11, main body 12, rear end 13, wherein main body 12 includes the support bar 121 of upper and lower symmetry, support chip 122 and expanding plate
123 compositions.Can expand in the predetermined direction to control support, when laser engraving, support bar 121 be formed with pipe axis
Certain angle, the width causing support chip is less, in order to ensure the area of the supporting surface of support, welds on support chip 122
Connect or bonding expanding plate 123.Core pipe 2 can be formed by marmem pipe, stainless steel tube or other materials processing, in core pipe has
Chamber 23, and at least through hole of on its tube wall, in order to bone cement enters core pipe；The outer surface at core pipe rear portion 22 has
Screw thread, this screw thread can coordinate with nut 3.Nut 3 can be made up of marmem pipe, stainless steel tube or other material, its knot
Structure includes leading portion 31, back segment 32, breach 33, and wherein nut leading portion 31 is connected with support, and connected mode can be bonding, welding
Or mechanical pins connection；Nut back segment 32 jagged 33, by this breach 33 rotatable nut 3, its inner chamber has screw thread, and nut 3 can edge
The thread helix on core pipe 2 moves.Support 1 is enclosed within core pipe 2, and front end 11 is completely fixed with core pipe 2, rear end 13 and nut 3
Leading portion 31 connect.Adjusting nut 3 is in the position of core pipe 2, it may be determined that the degree of the expansion of support 1.
Stainless steel tube becomes the tubular structure of support through laser engraving, after the expansion shape of support is carried out setting treatment, and will
Support 1, nut 2 are all enclosed within core pipe 2, and the front end 11 of support can be fixed with pin with core pipe 2, and by the rear end 13 of support
The boss 131 in chamber snaps in the groove of the leading portion 31 of nut, can realize can only rotating between support 1 and nut 3 and can not be axial
The function of relative movement.Turn nut 1 moves the tubulose before support 3 is stretched as expansion, is tightly bonded together with core pipe 2.
By expansible vertebral plasty support by sending in vertebral body outside cone nut or pedicle of vertebral arch, adjust expansible vertebral body
The angle of shaped bracket, after determining the direction of vertebral body needing to strut, rotates nut 3 releases clamp 1, and support 1 can recover sizing
Expansion shape, support bar can according to setting time direction bending, the position of adjusting nut 3 can determine that the degrees of expansion of support 1,
The expanding plate 122 of the support 1 after expansion can effectively strut the vertebral body of compression, recovers vertebral height, is internally formed space vertebral body,
Bone cement or other vertebral body reinforcing material are filled in the inner space of vertebral body, thus the vertebral body of fixing compression fracture.
Claims (6)
1. an expansible vertebral plasty support, including support (1), core pipe (2) and nut (3), it is characterised in that: described support
(1) being hollow pipe, it is at least divided into front end (11), main body (12), rear end (13) three part；Described main body (12) includes upper and lower
Symmetrical support bar (121) and support chip (122)；Described core pipe (2) is made up of anterior (21) and rear portion (22), described rear portion
(22) there is external screw thread；Described nut (3) has the rear portion of leading portion (31) and back segment (32), the female thread of its inner chamber and core pipe (2)
(22) coordinating, leading portion (31) is connected with the rear end (13) of support, and back segment (32) is provided with the breach (33) of rotatable nut (3)；Institute
State fixing between the front end (11) of support (1) and the front portion (21) of core pipe (2) connection；
The leading portion of described nut (3) is fluted, and groove is connected with the boss (131) of back-end support (13) inner chamber, and nut
Leading portion (31) withstand the inner chamber of back-end support (13).
One the most according to claim 1 expansible vertebral plasty support, it is characterised in that: described support (1) is by nickel
Titanium shape memory alloy pipe, stainless steel tube or macromolecular material form through laser engraving.
One the most according to claim 1 expansible vertebral plasty support, it is characterised in that: described support chip (122) with
The connected mode of expanding plate (123) is welding or bonding.
One the most according to claim 1 expansible vertebral plasty support, it is characterised in that: the front end of described support (1)
(11) with the fixing connected mode of the front portion of core pipe (2) (21) it is bonding, welding or mechanical pins connection.
One the most according to claim 1 expansible vertebral plasty support, it is characterised in that: the material of described core pipe (2)
For marmem pipe, stainless steel tube or other material, the number of openings on its tube wall at least one.
One the most according to claim 1 expansible vertebral plasty support, it is characterised in that: the material of described nut (3)
For marmem, rustless steel or other material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410517497.4A CN104306054B (en) | 2014-09-30 | 2014-09-30 | A kind of expansible vertebral plasty support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410517497.4A CN104306054B (en) | 2014-09-30 | 2014-09-30 | A kind of expansible vertebral plasty support |
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| Publication Number | Publication Date |
|---|---|
| CN104306054A CN104306054A (en) | 2015-01-28 |
| CN104306054B true CN104306054B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410517497.4A Active CN104306054B (en) | 2014-09-30 | 2014-09-30 | A kind of expansible vertebral plasty support |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496535A (en) * | 2016-01-04 | 2016-04-20 | 张兰发 | Medical miniature back shore device |
| CN106137366A (en) * | 2016-07-27 | 2016-11-23 | 刘小勇 | A kind of memory alloy pipes making Expansible centrum support frame |
| CN106344136B (en) * | 2016-11-24 | 2019-02-19 | 河南理工大学 | A kind of marrow support device |
| CN108498133B (en) * | 2018-06-22 | 2024-01-05 | 王志荣 | Multifunctional vertebral endplate processor |
| CN108670329B (en) * | 2018-06-22 | 2024-01-05 | 王志荣 | Vertebral endplate treatment device |
| CN112515825A (en) * | 2020-12-16 | 2021-03-19 | 中南大学湘雅二医院 | Hepatobiliary pancreas surgery is with 3D printing exempts from to sew up compatible support of courage intestines |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005048856A1 (en) * | 2003-11-10 | 2005-06-02 | Umc Utrecht Holding B.V. | Expandable implant for treating fractured and/or collapsed bone |
| CN101163456A (en) * | 2005-02-25 | 2008-04-16 | 新特斯有限责任公司 | Implant insertion apparatus and method of use |
| CN102427769A (en) * | 2009-03-12 | 2012-04-25 | 维克辛姆公司 | Apparatus for bone restoration of the spine and methods of use |
| CN204147102U (en) * | 2014-09-30 | 2015-02-11 | 上海君联医疗设备有限公司 | A kind of expansible vertebral plasty support |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004047689A1 (en) * | 2002-11-21 | 2004-06-10 | Sdgi Holdings, Inc. | Systems and techniques for intravertebral spinal stablization with expandable devices |
-
2014
- 2014-09-30 CN CN201410517497.4A patent/CN104306054B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005048856A1 (en) * | 2003-11-10 | 2005-06-02 | Umc Utrecht Holding B.V. | Expandable implant for treating fractured and/or collapsed bone |
| CN101163456A (en) * | 2005-02-25 | 2008-04-16 | 新特斯有限责任公司 | Implant insertion apparatus and method of use |
| CN102427769A (en) * | 2009-03-12 | 2012-04-25 | 维克辛姆公司 | Apparatus for bone restoration of the spine and methods of use |
| CN204147102U (en) * | 2014-09-30 | 2015-02-11 | 上海君联医疗设备有限公司 | A kind of expansible vertebral plasty support |
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| CN104306054A (en) | 2015-01-28 |
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