CN208769973U - A kind of injector for bone cement - Google Patents
A kind of injector for bone cement Download PDFInfo
- Publication number
- CN208769973U CN208769973U CN201820616708.3U CN201820616708U CN208769973U CN 208769973 U CN208769973 U CN 208769973U CN 201820616708 U CN201820616708 U CN 201820616708U CN 208769973 U CN208769973 U CN 208769973U
- Authority
- CN
- China
- Prior art keywords
- tube body
- push rod
- bone cement
- filler pipe
- injector
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of injectors for bone cement, include casing and push rod, and casing includes the first, second, and third tube body being from top to bottom sequentially communicated, and first, second, and third tube body is an integral molding structure；The push rod includes from top to bottom sequentially connected first, second and third push rod, wherein the second push rod and third push rod match with the second tube body and third tube body respectively, sealing piston is equipped in the inside of the first tube body, the front end of first push rod passes through sealing piston and connect with the second push rod, and the rear end of the first push rod is provided with the operation handle of t shape；The front end side of third tube body is provided with multiple injection holes；The filler pipe communicated with its tube cavity is additionally provided on the side wall of the first tube body, the other end of filler pipe is equipped with filling cover, flow control valve is additionally provided in filler pipe.Using injector described in the utility model, have structure simple, design is rationally, easy for operation, has a good application prospect.
Description
Technical field
The utility model relates to medical apparatus and instruments technical field, specifically a kind of injecting for bone cement
Device.
Background technique
Osteoporosis is common disease, is easy to cause the diseases such as compression fracture, brings pain to patient, influence the day of people
Often life, the modes such as the traditional treatment method for the treatment of osteoporosis lies up, medicine analgesic, outer stationary fixture, these sides
Method easily causes other vicious circles, to bring more major injury to patient.It is big using pervious open operation treatment wound
Complication is more, and percutaneous vertebroplasty and Percutaneous kyplasty are the Xiang Xin that spinal surgery is quickly grown in recent years
Type micro-wound surgical operation reinjects bone cement, people by being percutaneously directly injected into or first passing through balloon expandable into compressed vertebral
The fillers such as work bone, to enhance the mechanical stability of lesion centrum, clinical application has confirmed that its is reliable and stable, has rapidly
The therapeutic effect of effect, and few intercurrent disease.And bone cement injector is to fill bone cement process in micro-wound surgical operation for centrum
Used in a kind of equipment.Bone cement when in use, is released by injecting bar, was being released by common bone cement injector
Cheng Zhong, bone cement can only be released by the end column of injection bar.It is uneven to lead to injection in this way, to seriously affect injection effect
Fruit also will affect surgical outcome.And the existing each additional amount of bone cement injector be it is certain, when bone cement injection rate not
When enough, need to inject after bar removes, then fill bone cement, it is troublesome in poeration in this way, it is inconvenient for use.Simultaneously also to cortex, periosteum
Etc. being affected, it is very easy to damage the body of patient.
Utility model content
The problem of the technical problems to be solved in the utility model is for background technique provides a kind of for bone water
The injector of mud.
In order to solve the above technical problems, the technology employed by the present utility model is a kind of injecting for bone cement
Device, includes casing and push rod, and described sleeve pipe includes the first tube body, the second tube body, third pipe being from top to bottom sequentially communicated
Body, first tube body, the second tube body and third tube body are an integral molding structure；The push rod includes from top to bottom successively to connect
The first push rod, the second push rod and the third push rod connect, wherein second push rod and third push rod respectively with second tube body
Match with third tube body, is equipped with sealing piston in the inside of first tube body, the front end of first push rod passes through described
Sealing piston is connect with the second push rod, and the rear end of first push rod is provided with the operation handle of t shape；In the third
The front end side of tube body is provided with multiple injection holes；It is additionally provided on the side wall of first tube body and to be communicated with its tube cavity
Filler pipe, the other end of the filler pipe are equipped with the filling cover of structure funnel-shaped, and the filler pipe is located at the sealing piston
Lower end, be additionally provided with flow control valve in the filler pipe.
Further, a kind of injector for bone cement described in the utility model, wherein first tube body is straight
Diameter is greater than the diameter of the second tube body, and the diameter of second tube body is greater than the diameter of third tube body；The length of first tube body
Less than the length of the second tube body, the length of second tube body is less than the length of third tube body.
Further, a kind of injector for bone cement described in the utility model, wherein outside first tube body
Side is additionally provided with two hand-held pull rings being symmetric.
Further, a kind of injector for bone cement described in the utility model, wherein the structure of the injection hole
For round, any one in rectangular or ellipse.
Using a kind of injector for bone cement described in the utility model, due to described sleeve pipe using from top to bottom according to
Secondary the first tube body communicated, the second tube body, third tube body composition, so that the volume of casing is increased, in the effect of operation handle
Under, drive the second push rod and third push rod mobile by the first push rod, and the front end side of third tube body is provided with multiple notes
Enter hole, in this way when bone cement injects, its injection can be made more uniform, keeps its injection effect good, thus to cortex, periosteum etc.
It influences small；In addition, due to being additionally provided with the filler pipe communicated with its tube cavity, the filling on the side wall of first tube body
The other end of pipe is equipped with the filling cover of structure funnel-shaped, and the filler pipe is located at the lower end of the sealing piston, adds described
It is additionally provided with flow control valve in note pipe, is covered by setting filler pipe and filling, in this way during bone cement is added, Ke Yigen
It is easy to operate according to the continual addition bone cement of needs, while also saving the time of operation.It is described in the utility model using this
Injector, have structure it is simple, design rationally, it is easy for operation, have a good application prospect.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the utility model.
It is as shown in the figure: the first tube body of 1-, the second tube body of 2-, 3- third tube body, 4- injection hole, 5- third push rod, 6- second
Push rod, the first push rod of 7-, 8- sealing piston, 9- filler pipe, 10- flow control valve, 11- filling cover, 12- hold pull ring, 13- behaviour
Make handle.
Specific embodiment
As shown in Figure 1, a kind of injector for bone cement described in the utility model, includes casing and push rod, institute
Stating casing includes the first tube body 1 being from top to bottom sequentially communicated, the second tube body 2, third tube body 3, first tube body 1,
Two tube bodies 2 and third tube body 3 are an integral molding structure；The push rod includes from top to bottom sequentially connected first push rod 7,
Two push rods 6 and third push rod 5, wherein second push rod 6 and third push rod 5 respectively with second tube body 2 and third tube body 3
Match, is equipped with sealing piston 8 in the inside of first tube body 1, the front end of first push rod 7 passes through the sealing piston
8 connect with the second push rod 6, and the rear end of first push rod 7 is provided with the operation handle 13 of t shape；In the third pipe
The front end side of body 3 is provided with multiple injection holes 4；It is additionally provided on the side wall of first tube body 1 and is communicated with its tube cavity
Filler pipe 9, the other end of the filler pipe 9 is equipped with the filling cover 11 of structure funnel-shaped, and the filler pipe 9 is located at described close
The lower end for sealing piston 8, is additionally provided with flow control valve 10 in the filler pipe 9.
Further, a kind of injector for bone cement described in the utility model, wherein first tube body 1 is straight
Diameter is greater than the diameter of the second tube body 2, and the diameter of second tube body 2 is greater than the diameter of third tube body 3；First tube body 1
For length less than the length of the second tube body 2, the length of second tube body 2 is less than the length of third tube body 3.
Further, a kind of injector for bone cement described in the utility model, wherein outside first tube body 1
Side is additionally provided with the hand-held pull ring 12 of two be symmetric.
Further, a kind of injector for bone cement described in the utility model, wherein the structure of the injection hole 4
For round, any one in rectangular or ellipse.
In actual use, using a kind of injector for bone cement described in the utility model, due to described
Casing is formed using the first tube body 1, the second tube body 2, third tube body 3 being from top to bottom sequentially communicated, to increase casing
Volume drives the second push rod 6 and third push rod 5 mobile under the action of operation handle 13 by the first push rod 7, and in third
The front end side of tube body 3 is provided with multiple injection holes 4, in this way when bone cement injects, its injection can be made more uniform, in reality
With in application process, the injection hole 4 is set as 2~3, and is evenly distributed on the front end side of third tube body 3, makes in this way
It is good that it injects effect, to influence on cortex, periosteum etc. small；In addition, due to be additionally provided on the side wall of first tube body 1 with
The filler pipe 9 that its tube cavity communicates, the other end of the filler pipe 9 is equipped with the filling cover 11 of structure funnel-shaped, described to add
Note pipe 9 is located at the lower end of the sealing piston 8, is additionally provided with flow control valve 10 in the filler pipe 9, by the way that filler pipe is arranged
It is covered with filling, in this way during bone cement is added, can according to need continual addition bone cement, it is easy to operate, together
When also save the time of operation.Using this injector described in the utility model, have structure simple, design rationally, uses
It is convenient, it has a good application prospect.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for ability
For the technical staff in domain, there can be various modifications and variations, it is all to utilize any modification made by the utility model, equally replace
It changes, improve, should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of injector for bone cement, it is characterised in that: include casing and push rod, described sleeve pipe include by upper and
Under the first tube body (1), the second tube body (2), the third tube body (3) that are sequentially communicated, first tube body (1), the second tube body (2) and
Third tube body (3) is an integral molding structure；The push rod includes from top to bottom sequentially connected first push rod (7), second pushes away
Bar (6) and third push rod (5), wherein second push rod (6) and third push rod (5) respectively with second tube body (2) and
Three tube bodies (3) match, and are equipped with sealing piston (8) in the inside of first tube body (1), the front end of first push rod (7)
It is connect across the sealing piston (8) with the second push rod (6), the rear end of first push rod (7) is provided with the behaviour of t shape
Make handle (13)；The front end side of the third tube body (3) is provided with multiple injection holes (4)；In first tube body (1)
The filler pipe (9) communicated with its tube cavity is additionally provided on side wall, the other end of the filler pipe (9) is equipped with structure funnel-shaped
Filling cover (11), the filler pipe (9) is located at the lower end of the sealing piston (8), is additionally provided with stream in the filler pipe (9)
Control valve (10).
2. a kind of injector for bone cement according to claim 1, it is characterised in that: first tube body (1)
Diameter is greater than the diameter of the second tube body (2), and the diameter of second tube body (2) is greater than the diameter of third tube body (3)；Described first
For the length of tube body (1) less than the length of the second tube body (2), the length of second tube body (2) is less than the length of third tube body (3)
Degree.
3. a kind of injector for bone cement according to claim 1, it is characterised in that: in first tube body (1)
Lateral surface is additionally provided with the hand-held pull ring (12) of two be symmetric.
4. a kind of injector for bone cement according to claim 1, it is characterised in that: the knot of the injection hole (4)
Structure is round, any one in rectangular or ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820616708.3U CN208769973U (en) | 2018-04-27 | 2018-04-27 | A kind of injector for bone cement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820616708.3U CN208769973U (en) | 2018-04-27 | 2018-04-27 | A kind of injector for bone cement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208769973U true CN208769973U (en) | 2019-04-23 |
Family
ID=66141087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820616708.3U Expired - Fee Related CN208769973U (en) | 2018-04-27 | 2018-04-27 | A kind of injector for bone cement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208769973U (en) |
-
2018
- 2018-04-27 CN CN201820616708.3U patent/CN208769973U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 |