CN203483491U - Vertebral body dilator - Google Patents
Vertebral body dilator Download PDFInfo
- Publication number
- CN203483491U CN203483491U CN201320612656.XU CN201320612656U CN203483491U CN 203483491 U CN203483491 U CN 203483491U CN 201320612656 U CN201320612656 U CN 201320612656U CN 203483491 U CN203483491 U CN 203483491U
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- CN
- China
- Prior art keywords
- enlarged portion
- centrum
- eurynter
- loop bar
- turning handle
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- Expired - Fee Related
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Abstract
The utility model relates to the field of medical instruments,and discloses a vertebral body dilator to solve the problems that an existing saccule technology is high in demand and cost and the like. The vertebral body dilator comprises a loop bar with one end fixedly connected with a dilation portion. A pull rod is arranged inside the loop bar, one end of the pull rod is fixedly connected with one end, far away from the loop bar, of the dilation part, the dilation part is in a tubular shape, a plurality of notches are evenly distributed in the tube wall in the circumferential direction, the dilation part is divided into a plurality of dilation strips through the notches, and the pull rod is pulled to enable the dilation strips to be arched to dilate the vertebral body. The vertebral body is simple in structure, low in cost, convenient to operate and long in service life.
Description
Technical field
This utility model relates to medical instruments field, concrete, relates to a kind of centrum eurynter.
Background technology
Osteoporosis is a kind of commonly encountered diseases of harm middle-aged and elderly people health.The total prevalence rate of China's mid-aged population osteoporosis is 12.4%, and prevalence increases with the age, 60 years old above the sickness rate of osteoporotic vertebral fracture be 10%.Compression fracture of vertabral body also can be caused by tumor invading, application class steroid hormone etc.
Traditional treatment is expectant treatment, comprise lie up, analgesic, physical therapy, support etc.But bed can be accelerated amyotrophy, and pain increases the weight of thereupon, and it is unreliable that support is fixed in osteoporosis centrum.Also can be implanted into a sacculus to vertebral body, by making balloon expandable to sacculus pressurization, thereby reach the object of corpus vertebrae replacement, but very high to the technological requirement of sacculus, production cost is high.
Utility model content
An object of the present utility model is to propose a kind of simple in structure, centrum eurynter that cost is low, easy to operate;
Another object of the present utility model is to propose a kind of convenient centrum eurynter of observing degrees of expansion;
An also object of the present utility model is to propose a kind of long service life, the centrum eurynter of reliable in structure.
For reaching this object, this utility model by the following technical solutions:
A centrum eurynter, comprises loop bar, and one end of described loop bar is fixedly connected with enlarged portion;
Described loop bar inside is provided with pull bar, and one end of described pull bar is fixedly connected with described enlarged portion one end away from described loop bar;
Described enlarged portion is tubular, is along the circumferential direction evenly equipped with some gap on tube wall, and described gap is slit into some expansion bars by expansion, pulls described pull bar that described some expansion bars are arched upward with by pyramidal support.
Further, the free end of described enlarged portion draws in locking cap.
Further, the other end of described loop bar is connected with turning handle, described turning handle has female thread structure, described pull bar away from enlarged portion one end, there is external thread structure, described turning handle is connected away from enlarged portion threaded one end with described pull bar, so that turning handle drives pull bar to move vertically while rotating.
Preferably, on described turning handle, be provided with graduation mark, to indicate the stretching degree of described enlarged portion.
Preferably, on described loop bar, near described turning handle position, be equipped with connecting portion, on described connecting portion, be fixedly connected with assist handle, make described centrum eurynter Y-shaped.
Preferably, also comprise protective casing, described protective casing is slidably sheathed on described loop bar, is provided with sleeve pipe handle on described protective casing.
Preferably, described enlarged portion material is 42CrMo steel.
Preferably, described enlarged portion and described loop bar are integrated setting.
The beneficial effects of the utility model are:
(1) centrum eurynter the utility model proposes, the tube wall of enlarged portion is divided into some expansion bars by gap, by pulling pull bar to make to expand bar, arches upward, by pyramidal support, simple in structure, lower to structure precision requirement, and easy to operate.
(2) on turning handle, be provided with graduation mark, by graduation mark, can observe easily the stretching degree of enlarged portion, make vertebral body be returned to suitable position.
(3) enlarged portion selects 42CrMo steel to make, and fatigue strength is high, effectively extends the service life of centrum eurynter.
Accompanying drawing explanation
Fig. 1 is that the centrum eurynter that this utility model embodiment mono-provides enters prevertebral structural representation;
Fig. 2 is that centrum eurynter that this utility model embodiment mono-provides enters vertebral body but the structural representation of open configuration not;
Fig. 3 is the partial enlarged drawing of A in Fig. 2;
Fig. 4 is the loop bar internal structure schematic diagram of the centrum eurynter that provides of this utility model embodiment mono-;
Fig. 5 is the structural representation of the enlarged portion of the centrum eurynter that provides of this utility model embodiment mono-while opening;
Fig. 6 is the partial enlarged drawing of B in Fig. 5.
In figure, 1, loop bar; 2, enlarged portion; 21, gap; 22, expansion bar; 23, locking cap; 3, turning handle; 31, female thread structure; 32, graduation mark; 4, pull bar; 5, protective casing; 6, sleeve pipe hands handle; 7, assist handle; 8, connecting portion.
The specific embodiment
Below in conjunction with accompanying drawing and by the specific embodiment, further illustrate the technical solution of the utility model.
Embodiment mono-
Fig. 1 to Fig. 6 is the structural representation of the present embodiment centrum eurynter.As shown in the figure, this centrum eurynter comprises loop bar 1, one end of loop bar 1 is fixedly connected with enlarged portion 2, enlarged portion 2 is tubular, on tube wall, be along the circumferential direction evenly equipped with six gap 21, by gap 21, enlarged portion 2 is divided into six expansion bars 22, the free end of enlarged portion 2 draws in locking cap 23.
The other end of loop bar 1 is connected with turning handle 3, turning handle 3 has female thread structure 31, the inside of loop bar 1 is provided with pull bar 4, one end of pull bar 4 is fixedly connected with locking cap 23, the other end has external thread structure, and turning handle 3 is threaded with the other end of pull bar 4, so that turning handle 3 drives pull bar 4 to move vertically while rotating, and then make to expand bar 22 and arch upward, enlarged portion 2 integral body are lantern-shaped.
Loop bar 1 outside is also arranged with protective casing 5, and protective casing 5 can slide on loop bar 1, is provided with sleeve pipe handle 6 on protective casing 5, by sleeve pipe handle 6 slip protective casings 5, can make enlarged portion 2 be contained in protective casing 5 or be exposed to outside protective casing 5.
On turning handle 3, be provided with the graduation mark 32 that indicates enlarged portion 2 stretching degrees.On loop bar 1, near turning handle 3 positions, be equipped with connecting portion 8, be fixedly connected with assist handle 7 on connecting portion 8, make vertebral body speculum Y-shaped, when rotating turning handle 3, another hands can be borrowed power by assist handle 7, is convenient to accurate operation.
Enlarged portion 2 is formed in one with loop bar 1, and what adopt is 42CrMo steel, and fatigue strength is high, can effectively extend the service life of centrum eurynter.
The concrete using method of this centrum eurynter is:
Steps A, by sleeve pipe handle 6 slip protective casings 5, the enlarged portion 2 of centrum eurynter is contained in protective casing 5, then the front end of centrum eurynter is implanted in vertebral body by pedicle of vertebral arch, now the form of centrum eurynter is as shown in Figure 1.
Step B, by sleeve pipe handle 6 slip protective casings 5, enlarged portion 2 is fully exposed in vertebral body, now the form of centrum eurynter as shown in Figure 2.
Step C, a hand-held assist handle 7, another hands rotates turning handle 3, pull bar 4 is to recession, drive locking cap 23 recession, thereby extruding enlarged portion 2, arches upward with by pyramidal support the expansion bar 22 of enlarged portion 2, observes the graduation mark 32 on turning handle 3 simultaneously, make enlarged portion 2 open up into correct position, now the form of centrum eurynter as shown in Figure 5.
Step D, rotate backward turning handle 3, enlarged portion 2 is shunk, slip protective casing 5, is contained in enlarged portion 2 in protective casing 5, then centrum eurynter is extracted out.
Wherein, enlarged portion material is not limited to 42CrMo steel, and other materials that can reach fatigue strength requirement all can; Enlarged portion and sleeve pipe also can adopt split setting, can guarantee technique and installation requirement; The quantity of gap is also not limited to 6, can arrange according to the actual requirements.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to this utility model protection domain.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (8)
1. a centrum eurynter, comprises loop bar (1), it is characterized in that:
One end of described loop bar (1) is fixedly connected with enlarged portion (2);
Described loop bar (1) inside is provided with pull bar (4), and one end of described pull bar (4) is fixedly connected with one end away from described loop bar (1) of described enlarged portion (2);
Described enlarged portion (2) is tubular, on tube wall, be along the circumferential direction evenly equipped with some gap (21), described gap (21) is divided into some expansion bars (22) by enlarged portion (2), pulls described pull bar (4) can make described some expansion bars (22) arch upward with by pyramidal support.
2. a kind of centrum eurynter according to claim 1, is characterized in that: the free end of described enlarged portion (2) draws in locking cap (23).
3. a kind of centrum eurynter according to claim 1, it is characterized in that: the other end of described loop bar (1) is connected with turning handle (3), described turning handle (3) has female thread structure (31), described pull bar (4) away from enlarged portion (2) one end, there is external thread structure, described turning handle (3) is connected away from enlarged portion (2) threaded one end with described pull bar (4), so that turning handle (3) drives pull bar (4) to move vertically while rotating.
4. a kind of centrum eurynter according to claim 3, is characterized in that: on described turning handle (3), be provided with graduation mark (32).
5. a kind of centrum eurynter according to claim 3, is characterized in that: described loop bar (1) is upper is equipped with connecting portion (8) near described turning handle (3) position, is fixedly connected with assist handle (7) on described connecting portion (8).
6. a kind of centrum eurynter according to claim 1, is characterized in that: also comprise protective casing (5), it is upper that described protective casing (5) is sheathed on described loop bar (1) slidably, is provided with sleeve pipe handle (6) on described protective casing (5).
7. a kind of centrum eurynter according to claim 1, is characterized in that: described enlarged portion (2) material is 42CrMo steel.
8. a kind of centrum eurynter according to claim 1, is characterized in that: described enlarged portion (2) is integrated setting with described loop bar (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320612656.XU CN203483491U (en) | 2013-09-30 | 2013-09-30 | Vertebral body dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320612656.XU CN203483491U (en) | 2013-09-30 | 2013-09-30 | Vertebral body dilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203483491U true CN203483491U (en) | 2014-03-19 |
Family
ID=50254363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320612656.XU Expired - Fee Related CN203483491U (en) | 2013-09-30 | 2013-09-30 | Vertebral body dilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203483491U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137366A (en) * | 2016-07-27 | 2016-11-23 | 刘小勇 | A kind of memory alloy pipes making Expansible centrum support frame |
| CN109717910A (en) * | 2019-03-13 | 2019-05-07 | 霍建忠 | A kind of Lantern pyramidal support biopsy device |
| CN112220510A (en) * | 2020-10-27 | 2021-01-15 | 宁波华科润生物科技有限公司 | Minimally invasive vertebral body dilator |
| CN112704524A (en) * | 2020-12-23 | 2021-04-27 | 王冬 | Jejunum fixing and moving device for suturing esophagus and intestinal tract |
-
2013
- 2013-09-30 CN CN201320612656.XU patent/CN203483491U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137366A (en) * | 2016-07-27 | 2016-11-23 | 刘小勇 | A kind of memory alloy pipes making Expansible centrum support frame |
| CN109717910A (en) * | 2019-03-13 | 2019-05-07 | 霍建忠 | A kind of Lantern pyramidal support biopsy device |
| CN112220510A (en) * | 2020-10-27 | 2021-01-15 | 宁波华科润生物科技有限公司 | Minimally invasive vertebral body dilator |
| CN112704524A (en) * | 2020-12-23 | 2021-04-27 | 王冬 | Jejunum fixing and moving device for suturing esophagus and intestinal tract |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20140930 |
|
| EXPY | Termination of patent right or utility model |