CN205215337U - Long rod orthopedic device is given birth to to hydraulic pressure - Google Patents
Long rod orthopedic device is given birth to to hydraulic pressure Download PDFInfo
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- CN205215337U CN205215337U CN201521000189.0U CN201521000189U CN205215337U CN 205215337 U CN205215337 U CN 205215337U CN 201521000189 U CN201521000189 U CN 201521000189U CN 205215337 U CN205215337 U CN 205215337U
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- orthopedic
- hydraulic pressure
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- communicated
- injection channel
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Abstract
Long rod orthopedic device is given birth to to hydraulic pressure, it includes that is adjusted a seat (12) and a pair of orthopedic rod (14). Adjust the seat and have a regulation passageway (122) and one implanted channel (124), adjust the passageway and run through the regulation seat, implanted channel one end intercommunication regulation passageway, other end intercommunication regulation seat is outside. Each orthopedic rod can be respectively insert to locate from the both ends of adjusting the passageway and adjusts the seat, and two orthopedic rod have one respectively in its one side in opposite directions and can seal blind end (142) of adjusting the passageway to it adjusts chamber (124) to form one in adjusting the seat. The implanted channel can feed through adjusts the chamber, can inject the fluid into to adjusting the chamber through the implanted channel to it removes to the direction of keeping away from each other to promote each orthopedic rod respectively through the fluid pressure who produces. Above -mentioned long rod orthopedic device is given birth to to hydraulic pressure only need realize little incision and give birth to long rod and adjust the operation under the local anaesthesia, reduce the painful and treatment cost of infant.
Description
Technical field
This utility model relates to a kind of internal fixtion orthotic device, particularly relates to a kind of hydraulic pressure growing rod orthopedic device.
Background technology
At present for early onset skoliosis infant, for retaining its spinal growth and thorax potentiality of development, general employing growth valve internal fixtion orthomorphia is treated, but for adapting to the growth promoter of spinal column and thorax, this therapeutic modality also need every half a year to one-year age apply general anaesthetic long otch growing rod strut regulate operation, Repeated Operation obviously can increase infant operation risk and medical expense, and the possibility that the spontaneity that can increase skoliosis central area rear structure merges.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic pressure growing rod orthopedic device, and it only needs under local anaesthesia, realize minimal incision * growing rod and regulates operation, reduces infants' pain and treatment cost.
This utility model provides a kind of hydraulic pressure growing rod orthopedic device, and it comprises an adjustment seat and a pair Orthopedic rod.Adjustment seat has one and regulates passage and an injection channel, regulates passage to run through adjustment seat, and one end, injection channel is communicated with adjustment passage, and it is outside that the other end is communicated with adjustment seat.Each Orthopedic rod can respectively from regulating the two ends of passage be inserted in adjustment seat, and two Orthopedic rods have one respectively in its side in opposite directions can close the blind end regulating passage, regulates chamber to form one in adjustment seat.Injection channel can be communicated with and regulates chamber, can inject fluid to regulating chamber, and promoted each Orthopedic rod respectively moved in the direction away from each other by the fluid pressure produced by injection channel.The position of Orthopedic rod in human body can regulate the fluid pressure in chamber to control location by injecting, and behind location, each Orthopedic rod can be fixed on vertebral body by pedicle screw, with orthopedic scoliosis.After a period of time, for adapting to the growth promoter of infant spinal column and thorax, a small incision surgery is only needed to find injection channel, and be shifted to promote Orthopedic rod to adjustment intracavity fluid replacement by injection channel, make Orthopedic rod can adapt to the growing state of its fixing vertebral body, which can greatly reduce infants' pain and treatment cost.
In a kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device, injection channel and regulate that passage is mutually vertical arranges.Adopt such design, can operation technique be facilitated, reduce operation painful.
In a kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device, liquid can be injected to regulating chamber by injection channel, and be moved in the direction away from each other by each Orthopedic rod of hydraulic drive produced.Adopt liquid to be convenient to control liquid injection rate, contribute to accurately controlling 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 comprises a hydraulic pump, and it can be communicated with the injection channel of adjustment seat.
In a kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device, hydraulic pump has a pressurizing chamber, feed pathway, a liquid outlet channel and a pressurizing piston.Feed pathway is communicated with pressurizing chamber, and injects liquid by feed pathway to pressurizing chamber.Liquid outlet channel one end is communicated with pressurizing chamber, and the other end is removable is communicated in injection channel.Pressurizing piston can extrude the liquid in pressurizing chamber, flows into injection channel to make this liquid through liquid outlet channel.
In a kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device, hydraulic pressure growing rod orthopedic device also comprises a control valve, and control valve is arranged at one end that injection channel is communicated with adjustment seat outside, and liquid outlet channel is communicated with injection channel by control valve.Adopt such design, be convenient to control liquid injection rate, contribute to accurately controlling to promote Orthopedic rod distance.
Hereafter by clearly understandable mode, accompanying drawings preferred embodiment, is further described the above-mentioned characteristic of hydraulic pressure growing rod orthopedic device, technical characteristic, advantage and implementation thereof.
Accompanying drawing explanation
The following drawings only schematically illustrates this utility model and explains, does not limit scope of the present utility model.
Fig. 1 is in order to illustrate the structural representation of a kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device.
Fig. 2 is in order to illustrate the structural representation of the another kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device.
Label declaration
12 adjustment seats
122 regulate passage
124 injection channels
126 regulate chamber
14 Orthopedic rods
142 blind ends
16 hydraulic pumps
162 pressurizing chambers
164 feed pathway
166 liquid outlet channels
168 pressurizing piston
17 control valves.
Detailed description of the invention
In order to the technical characteristic to utility model, object and effect have understanding clearly, now contrast accompanying drawing and detailed description of the invention of the present utility model is described, label identical in the various figures represents that structure is identical or structure is similar but the parts that function is identical.
In this article, " schematically " expression " serves as example, example or explanation ", not should by being described to any diagram of " schematically " in this article, embodiment is interpreted as a kind of preferred or have more the technical scheme of advantage.
For making simplified form, only schematically show the part relevant to this utility model in each figure, they do not represent its practical structures as product.In addition, being convenient to for making simplified form understand, there are the parts of identical structure or function in some figure, only schematically depict one of them, or only having marked one of them.
In this article, the restriction in the mathematics of " vertically " etc. non-critical and/or geometry meaning, also comprise it will be appreciated by those skilled in the art that and manufacture or error that use etc. allows.
Fig. 1 is in order to illustrate the structural representation of a kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device.As shown in Figure 1, hydraulic pressure growing rod orthopedic device comprises an adjustment seat 12 and a pair Orthopedic rod 14.
Wherein, adjustment seat 12 has one and regulates passage 122 and an injection channel 124, passage 122 is regulated to run through adjustment seat 12, make it have two ends of opening adjustment seat about 12 two ends in figure respectively, one end of injection channel 124 is communicated with adjustment passage 122, and the other end of injection channel 124 is communicated with adjustment seat 12 outside.
Two Orthopedic rods 14 can be inserted in adjustment seat 12 from adjustment passage 122 two ends up and down in the drawings respectively, and two Orthopedic rods 14 have one respectively in its side in opposite directions can close the blind end regulating passage 122, regulate chamber 126 to form one in adjustment seat 12.
Injection channel 124 is communicated with and regulates one end of passage 122 also can be communicated with to regulate chamber 126, injecting fluid to regulating chamber 126 by injection channel 124 simultaneously, and promotes each Orthopedic rod 14 respectively by the fluid pressure produced and move in the direction away from each other.
During use, can above-mentioned hydraulic pressure growing rod orthopedic device be inserted in infant body, to realize internal fixation of spine by operation.Wherein, the position of Orthopedic rod 14 can regulate the fluid pressure in chamber 126 to control location by injecting, and behind location, each Orthopedic rod 14 can be fixed on vertebral body by pedicle screw, with orthopedic scoliosis.Until a period of time as six months after, for adapting to the growth promoter of infant spinal column and thorax, a small incision surgery is only needed to find injection channel 124, and be shifted to promote Orthopedic rod 14 to fluid replacement in adjustment chamber 126 by injection channel 124, make Orthopedic rod 14 can adapt to the growing state of its fixing vertebral body, which can greatly reduce infants' pain and treatment cost.
Wherein, liquid can be injected to regulating chamber 126 by injection channel 124, and be moved in the direction away from each other by each Orthopedic rod 14 of hydraulic drive produced.Adopt liquid to be convenient to control liquid injection rate, contribute to accurately controlling to promote Orthopedic rod distance.Certainly according to the difference that design needs, fluid also can be gas.
In addition, in the embodiment shown in Fig. 1, injection channel 124 is arranged with adjustment passage 122 is mutually vertical.Adopt such design, can operation technique be facilitated, reduce operation painful.
Fig. 2 is in order to illustrate the structural representation of the another kind of exemplary embodiment of hydraulic pressure growing rod orthopedic device.As shown in Figure 2, hydraulic pressure growing rod orthopedic device also can comprise a hydraulic pump 16, and hydraulic pump 16 can be communicated with the injection channel 124 of adjustment seat 12.In embodiment shown in the figure, hydraulic pump 16 has a pressurizing chamber 162, feed pathway 164, liquid outlet channel 166 and a pressurizing piston 168.Wherein, feed pathway 164 is communicated with pressurizing chamber 162, and injects liquid by feed pathway 164 to pressurizing chamber 162.Liquid outlet channel 166 one end is communicated with pressurizing chamber 162, and the other end is removable is communicated in injection channel 124.Pressurizing piston 168 can extrude the liquid in pressurizing chamber 162, flows into injection channel 124 to make this liquid through liquid outlet channel 166.
In the embodiment shown in figure 2, hydraulic pressure growing rod orthopedic device also comprises a control valve 17, and control valve 17 is arranged at one end that injection channel 124 is communicated with adjustment seat 12 outside, and liquid outlet channel 166 is communicated with injection channel 124 by control valve 17.Adopt such design, be convenient to control liquid injection rate, contribute to accurately controlling to promote Orthopedic rod distance.
Be to be understood that, although this description describes according to each embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for possible embodiments of the present utility model; they are also not used to limit protection domain of the present utility model; allly do not depart from this utility model skill equivalent embodiments of doing of spirit or change; as the combination of feature, segmentation or repetition, all should be included within protection domain of the present utility model.
Claims (6)
1. hydraulic pressure growing rod orthopedic device, it comprises:
An adjustment seat (12), it has:
An adjustment passage (122) running through described adjustment seat (12), and
An injection channel (124), its one end is communicated with described adjustment passage (122), and it is outside that the other end is communicated with described adjustment seat (12); With
A pair Orthopedic rod (14), each described Orthopedic rod (14) can be inserted in described adjustment seat (12) from the two ends of described adjustment passage (122) respectively, and two described Orthopedic rods (14) have in its side in opposite directions the blind end (142) that can be closed described adjustment passage (122) respectively, chamber (126) is regulated to form one in described adjustment seat (12)
Described injection channel (124) can be communicated with described adjustment chamber (126), fluid can be injected to described adjustment chamber (126) by described injection channel (124), and promote each described Orthopedic rod (14) respectively by the fluid pressure produced and move in the direction away from each other.
2. hydraulic pressure growing rod orthopedic device as claimed in claim 1, wherein, described injection channel (124) are arranged with described adjustment passage (122) is mutually vertical.
3. hydraulic pressure growing rod orthopedic device as claimed in claim 1, wherein, can be injected liquid to described adjustment chamber (126) by described injection channel (124), and be moved in the direction away from each other by each described Orthopedic rod (14) of hydraulic drive produced.
4. hydraulic pressure growing rod orthopedic device as claimed in claim 3, wherein, described hydraulic pressure growing rod orthopedic device also comprises a hydraulic pump (16), and it can be communicated with the described injection channel (124) of described adjustment seat (12).
5. hydraulic pressure growing rod orthopedic device as claimed in claim 4, wherein, described hydraulic pump (16) has:
A pressurizing chamber (162),
A feed pathway (164), it is communicated with described pressurizing chamber (162), and injects liquid by described feed pathway (164) to described pressurizing chamber (162);
A liquid outlet channel (166), its one end is communicated with described pressurizing chamber (162), and the other end is removable is communicated in described injection channel (124); With
A pressurizing piston (168), it can extrude the liquid in described pressurizing chamber (162), flows into described injection channel (124) to make this liquid through described liquid outlet channel (166).
6. hydraulic pressure growing rod orthopedic device as claimed in claim 5, wherein, hydraulic pressure growing rod orthopedic device also comprises a control valve (17), described control valve (17) is arranged at described injection channel (124) and is communicated with the outside one end of described adjustment seat (12), and described liquid outlet channel (166) is communicated with described injection channel (124) by described control valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521000189.0U CN205215337U (en) | 2015-12-07 | 2015-12-07 | Long rod orthopedic device is given birth to to hydraulic pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521000189.0U CN205215337U (en) | 2015-12-07 | 2015-12-07 | Long rod orthopedic device is given birth to to hydraulic pressure |
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| Publication Number | Publication Date |
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| CN205215337U true CN205215337U (en) | 2016-05-11 |
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| CN201521000189.0U Active CN205215337U (en) | 2015-12-07 | 2015-12-07 | Long rod orthopedic device is given birth to to hydraulic pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821475A (en) * | 2015-12-07 | 2017-06-13 | 首都医科大学附属北京朝阳医院 | Hydraulic pressure growing rod orthopedic device |
-
2015
- 2015-12-07 CN CN201521000189.0U patent/CN205215337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821475A (en) * | 2015-12-07 | 2017-06-13 | 首都医科大学附属北京朝阳医院 | Hydraulic pressure growing rod orthopedic device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |