CN106821475A - Hydraulic pressure growing rod orthopedic device - Google Patents
Hydraulic pressure growing rod orthopedic device Download PDFInfo
- Publication number
- CN106821475A CN106821475A CN201510886355.XA CN201510886355A CN106821475A CN 106821475 A CN106821475 A CN 106821475A CN 201510886355 A CN201510886355 A CN 201510886355A CN 106821475 A CN106821475 A CN 106821475A
- Authority
- CN
- China
- Prior art keywords
- orthopedic
- injection channel
- adjustment seat
- regulation
- hydraulic pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
- A61B17/7064—Devices acting on, attached to, or simulating the effect of, vertebral facets; Tools therefor
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7071—Implants for expanding or repairing the vertebral arch or wedged between laminae or pedicles; Tools therefor
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
-
- 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
- A61B2017/564—Methods for bone or joint treatment
Abstract
Hydraulic pressure growing rod orthopedic device, it includes an adjustment seat（12）With a pair of Orthopedic rods（14）.Adjustment seat has a regulation passage（122）With an injection channel（124）, regulation passage is through adjustment seat, injection channel one end connection regulation passage, outside other end connection adjustment seat.Each Orthopedic rod can be inserted in adjustment seat from the two ends of regulation passage respectively, and two Orthopedic rods have a blind end that can close regulation passage respectively in its opposite side（142）, to form a regulation chamber in adjustment seat（124）.Injection channel can connect regulation chamber, can inject fluid to adjusting chamber by injection channel, and promote each Orthopedic rod to move in the direction away from each other respectively by the Fluid pressure for producing.Above-mentioned hydraulic pressure growing rod orthopedic device, it is only necessary to small otch growing rod regulation operation is realized under local anaesthesia, infants' pain and treatment cost is reduced.
Description
Technical field
The present invention relates to fix orthopedic appliance, more particularly to a kind of hydraulic pressure growing rod orthopedic device in one kind.
Background technology
At present for early onset scoliosis infant, to retain its spinal growth and thorax potentiality of development, orthomorphia is fixed in general use growth valve to be treated, but to adapt to growing for backbone and thorax, the therapeutic modality need to also every half a year to one-year age apply general anaesthetic otch growing rod long strut regulation operation, Repeated Operation can substantially increase infant operation risk and medical expense, and can increase the possibility of the spontaneous fusion of scoliosis central area rear structure.
The content of the invention
It is an object of the invention to provide a kind of hydraulic pressure growing rod orthopedic device, it only needs to realize small otch growing rod regulation operation under local anaesthesia, reduces infants' pain and treatment cost.
The invention provides a kind of hydraulic pressure growing rod orthopedic device, it includes an adjustment seat and a pair of Orthopedic rods.Adjustment seat has regulation passage and an injection channel, and regulation passage runs through adjustment seat, injection channel one end connection regulation passage, outside other end connection adjustment seat.Each Orthopedic rod can be inserted in adjustment seat from the two ends of regulation passage respectively, and two Orthopedic rods have a blind end that can close regulation passage respectively in its opposite side, to form a regulation chamber in adjustment seat.Injection channel can connect regulation chamber, can inject fluid to adjusting chamber by injection channel, and promote each Orthopedic rod to move in the direction away from each other respectively by the Fluid pressure for producing.Position of the Orthopedic rod in human body can control positioning by the Fluid pressure in injection regulation chamber, and each Orthopedic rod can be fixed on centrum by pedicle screw after positioning, with orthopedic scoliosis.After after a period of time, to adapt to growing for infant backbone and thorax, a small incision surgery is only needed to find injection channel, and by injection channel to fluid replacement in regulation chamber promoting Orthopedic rod to shift, Orthopedic rod is set to be suitable for the growing state of the centrum of its fixation, which can greatly reduce infants' pain and treatment cost.
In a kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device, injection channel is arranged in a mutually vertical manner with regulation passage.Using such design, operation technique can be facilitated, reduce operation pain.
In a kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device, liquid can be injected to adjusting chamber by injection channel, and move in the direction away from each other by each Orthopedic rod of hydraulic drive for producing.It is easy to control liquid injection rate using liquid, contributes to precise control to promote Orthopedic rod distance.
In a kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device, hydraulic pressure growing rod orthopedic device also includes a hydraulic pump, its injection channel that can connect adjustment seat.
In a kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device, hydraulic pump has pressurizing chamber, feed pathway, a liquid outlet channel and a pressurizing piston.Feed pathway connects pressurizing chamber, and can inject liquid to pressurizing chamber by feed pathway.Liquid outlet channel one end connects pressurizing chamber, and the other end is removable to be communicated in injection channel.Pressurizing piston can extrude the liquid in pressurizing chamber, so that the liquid flows into injection channel by liquid outlet channel.
In a kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device, hydraulic pressure growing rod orthopedic device also includes a regulating valve, and regulating valve is arranged at the one end outside injection channel connection adjustment seat, and liquid outlet channel can connect injection channel by regulating valve.Using such design, it is easy to control liquid injection rate, contributes to precise control to promote Orthopedic rod distance.
Hereafter by clearly understandable mode, preferred embodiment is described with reference to the drawings, the above-mentioned characteristic, technical characteristic, advantage and its implementation to hydraulic pressure growing rod orthopedic device are further described.
Brief description of the drawings
The following drawings only does schematic illustration and explanation to the present invention, not delimit the scope of the invention.
Fig. 1 is used to a kind of structural representation of the exemplary embodiment for illustrating hydraulic pressure growing rod orthopedic device.
Fig. 2 is used to the structural representation of another exemplary embodiment for illustrating hydraulic pressure growing rod orthopedic device.
Label declaration
12 adjustment seats
122 regulation passages
124 injection channels
126 regulation chambers
14 Orthopedic rods
142 blind ends
16 hydraulic pumps
162 pressurizing chambers
164 feed pathways
166 liquid outlet channels
168 pressurizing pistons
17 regulating valves.
Specific embodiment
In order to be more clearly understood to the technical characteristic invented, purpose and effect, existing control brief description of the drawings specific embodiment of the invention, in the various figures identical label represent that structure is identical or structure is similar but function identical part.
Herein, " schematic " expression " serving as example, example or explanation ", any diagram of " schematic ", implementation method should not will be described herein as and is construed to a kind of preferred or more advantageous technical scheme.
To make simplified form, part related to the present invention is only schematically show in each figure, they do not represent its practical structures as product.In addition, to readily appreciate simplified form, the part with identical structure or function, only symbolically depicts one of those, or only marked one of those in some figures.
Herein, the limitation on the mathematics and/or geometry meaning of " vertical " etc. and non-critical, also comprising it will be appreciated by those skilled in the art that and manufacture or the error of permission such as use.
Fig. 1 is used to a kind of structural representation of the exemplary embodiment for illustrating hydraulic pressure growing rod orthopedic device.As shown in figure 1, hydraulic pressure growing rod orthopedic device includes an adjustment seat 12 and a pair of Orthopedic rods 14.
Wherein, adjustment seat 12 has regulation passage 122 and an injection channel 124, regulation passage 122 runs through adjustment seat 12, make it have two ends for opening the upper and lower ends of adjustment seat 12 in figure respectively, one end connection regulation passage 122 of injection channel 124, outside the other end connection adjustment seat 12 of injection channel 124.
Two Orthopedic rods 14 can be respectively from regulation passage 122 in figure two ends up and down be inserted in adjustment seat 12, and two Orthopedic rods 14 have a blind end that can close regulation passage 122 respectively in its opposite side, to form a regulation chamber 126 in adjustment seat 12.
One end of the connection of injection channel 124 regulation passage 122 can also simultaneously connect regulation chamber 126, can inject fluid by injection channel 124 and extremely adjust chamber 126, and promote each Orthopedic rod 14 to move in the direction away from each other respectively by the Fluid pressure for producing.
When using, above-mentioned hydraulic pressure growing rod orthopedic device can be inserted in infant body by operation, to realize internal fixation of spine.Wherein, the position of Orthopedic rod 14 can control positioning by the Fluid pressure in injection regulation chamber 126, and each Orthopedic rod 14 can be fixed on centrum by pedicle screw after positioning, with orthopedic scoliosis.After after a period of time such as six months, to adapt to growing for infant backbone and thorax, a small incision surgery is only needed to find injection channel 124, and by injection channel 124 to fluid replacement in regulation chamber 126 promoting Orthopedic rod 14 to shift, Orthopedic rod 14 is set to be suitable for the growing state of the centrum of its fixation, which can greatly reduce infants' pain and treatment cost.
Wherein, liquid to regulation chamber 126 can be injected by injection channel 124, and is moved in the direction away from each other by each Orthopedic rod 14 of hydraulic drive for producing.It is easy to control liquid injection rate using liquid, contributes to precise control to promote Orthopedic rod distance.Certainly the difference for being needed according to design, fluid can also be gas.
In addition, in the implementation method shown in Fig. 1, injection channel 124 is arranged in a mutually vertical manner with regulation passage 122.Using such design, operation technique can be facilitated, reduce operation pain.
Fig. 2 is used to the structural representation of another exemplary embodiment for illustrating hydraulic pressure growing rod orthopedic device.As shown in Fig. 2 hydraulic pressure growing rod orthopedic device may also include a hydraulic pump 16, hydraulic pump 16 can connect the injection channel 124 of adjustment seat 12.In implementation method shown in the figure, hydraulic pump 16 has a liquid outlet channel 166 of feed pathway 164, of pressurizing chamber 162, and a pressurizing piston 168.Wherein, the connection of feed pathway 164 pressurizing chamber 162, and liquid can be injected to pressurizing chamber 162 by feed pathway 164.The one end of liquid outlet channel 166 connects pressurizing chamber 162, and the other end is removable to be communicated in injection channel 124.Pressurizing piston 168 can extrude the liquid in pressurizing chamber 162, so that the liquid flows into injection channel 124 by liquid outlet channel 166.
In the embodiment shown in figure 2, hydraulic pressure growing rod orthopedic device also includes a regulating valve 17, and regulating valve 17 is arranged at the one end outside the connection of injection channel 124 adjustment seat 12, and liquid outlet channel 166 can connect injection channel 124 by regulating valve 17.Using such design, it is easy to control liquid injection rate, contributes to precise control to promote Orthopedic rod distance.
It should be understood that, although this specification is described according to each embodiment, but not each embodiment only includes an independent technical scheme, this narrating mode of specification is only for clarity, those skilled in the art should be using specification an as entirety, technical scheme in each embodiment can also through appropriately combined, formed it will be appreciated by those skilled in the art that other embodiment.
Those listed above is a series of to describe illustrating only for possible embodiments of the invention in detail; they simultaneously are not used to limit the scope of the invention; all equivalent embodiments made without departing from skill spirit of the present invention or change; combination, segmentation or repetition such as feature, should be included within the scope of the present invention.
Claims (6)
1. hydraulic pressure growing rod orthopedic device, it includes：
One adjustment seat（12）, it has：
One runs through the adjustment seat（12）Regulation passage（122）, and
One injection channel（124）, its one end connection regulation passage（122）, the other end connection adjustment seat（12）It is outside；With
A pair of Orthopedic rods（14）, each Orthopedic rod（14）Can respectively from the regulation passage（122）Two ends be inserted in the adjustment seat（12）, and two Orthopedic rods（14）Having one respectively in its opposite side can close the regulation passage（122）Blind end（142）, with the adjustment seat（12）It is middle to form a regulation chamber（126）,
The injection channel（124）The regulation chamber can be connected（126）, by the injection channel（124）Fluid to the regulation chamber can be injected（126）, and each Orthopedic rod is promoted by the Fluid pressure for producing respectively（14）Move in the direction away from each other.
2. hydraulic pressure growing rod orthopedic device as claimed in claim 1, wherein, the injection channel（124）With the regulation passage（122）It is arranged in a mutually vertical manner.
3. hydraulic pressure growing rod orthopedic device as claimed in claim 1, wherein, can be by the injection channel（124）Inject liquid to the regulation chamber（126）, and each Orthopedic rod of hydraulic drive by producing（14）Move in the direction away from each other.
4. hydraulic pressure growing rod orthopedic device as claimed in claim 3, wherein, the hydraulic pressure growing rod orthopedic device also includes a hydraulic pump（16）, it can connect the adjustment seat（12）The injection channel（124）.
5. hydraulic pressure growing rod orthopedic device as claimed in claim 4, wherein, the hydraulic pump（16）Have：
One pressurizing chamber（162）,
One feed pathway（164）, its described pressurizing chamber of connection（162）, and can be by the feed pathway（164）To the pressurizing chamber（162）Injection liquid；
One liquid outlet channel（166）, its one end connection pressurizing chamber（162）, the other end is removable to be communicated in the injection channel（124）；With
One pressurizing piston（168）, it can extrude the pressurizing chamber（162）Interior liquid, so that the liquid is by the liquid outlet channel（166）Flow into the injection channel（124）.
6. hydraulic pressure growing rod orthopedic device as claimed in claim 5, wherein, hydraulic pressure growing rod orthopedic device also includes a regulating valve（17）, the regulating valve（17）It is arranged at the injection channel（124）Connect the adjustment seat（12）Outside one end, the liquid outlet channel（166）Can be by the regulating valve（17）Connect the injection channel（124）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886355.XA CN106821475A (en) | 2015-12-07 | 2015-12-07 | Hydraulic pressure growing rod orthopedic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886355.XA CN106821475A (en) | 2015-12-07 | 2015-12-07 | Hydraulic pressure growing rod orthopedic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106821475A true CN106821475A (en) | 2017-06-13 |
Family
ID=59150602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510886355.XA Pending CN106821475A (en) | 2015-12-07 | 2015-12-07 | Hydraulic pressure growing rod orthopedic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106821475A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141341A (en) * | 2019-05-28 | 2019-08-20 | 罗玉佳 | A kind of orthopedic growing rod of biodynamic |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0956736A (en) * | 1995-08-25 | 1997-03-04 | Tanaka Ika Kikai Seisakusho:Kk | Device for straightening spinal curvature |
| US20090306717A1 (en) * | 2008-05-28 | 2009-12-10 | James Kercher | Fluid-powered elongation instrumentation for correcting orthopedic deformities |
| WO2011116773A1 (en) * | 2010-03-24 | 2011-09-29 | Aarhus Universitet | Implant for treatment of skeletal deformities |
| CN104720880A (en) * | 2013-12-20 | 2015-06-24 | 中国医学科学院北京协和医院 | Scoliosis and kyphosis posterior approach growing bar correcting device capable of being expanded actively and used for children or teenagers |
| CN205215337U (en) * | 2015-12-07 | 2016-05-11 | 首都医科大学附属北京朝阳医院 | Long rod orthopedic device is given birth to to hydraulic pressure |
-
2015
- 2015-12-07 CN CN201510886355.XA patent/CN106821475A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0956736A (en) * | 1995-08-25 | 1997-03-04 | Tanaka Ika Kikai Seisakusho:Kk | Device for straightening spinal curvature |
| US20090306717A1 (en) * | 2008-05-28 | 2009-12-10 | James Kercher | Fluid-powered elongation instrumentation for correcting orthopedic deformities |
| WO2011116773A1 (en) * | 2010-03-24 | 2011-09-29 | Aarhus Universitet | Implant for treatment of skeletal deformities |
| CN104720880A (en) * | 2013-12-20 | 2015-06-24 | 中国医学科学院北京协和医院 | Scoliosis and kyphosis posterior approach growing bar correcting device capable of being expanded actively and used for children or teenagers |
| CN205215337U (en) * | 2015-12-07 | 2016-05-11 | 首都医科大学附属北京朝阳医院 | Long rod orthopedic device is given birth to to hydraulic pressure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141341A (en) * | 2019-05-28 | 2019-08-20 | 罗玉佳 | A kind of orthopedic growing rod of biodynamic |
| CN110141341B (en) * | 2019-05-28 | 2023-05-23 | 罗玉佳 | Biological power orthopedic growth stick |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |
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| WD01 | Invention patent application deemed withdrawn after publication |