CN207024112U - Bone cement injector - Google Patents
Bone cement injector Download PDFInfo
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- CN207024112U CN207024112U CN201720141456.9U CN201720141456U CN207024112U CN 207024112 U CN207024112 U CN 207024112U CN 201720141456 U CN201720141456 U CN 201720141456U CN 207024112 U CN207024112 U CN 207024112U
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- injector
- bone cement
- injection nozzle
- injector body
- cavity
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Abstract
The utility model belongs to technical field of medical instruments, a kind of bone cement injector, including injector body and it is arranged on the intrinsic piston push rod of the injector, described injector body one end has the injection nozzle connected with the cavity of injector body, movable block is placed with cavity between the piston push rod and injection nozzle, when movable block is located at injection nozzle one end, there is gap between movable block and the injector inner body wall, the gap connects the cavity and injection nozzle of the injector body.Beneficial effect：Movable block is set in injector body in the application, stirring action can be effectively played, the mixing that bone cement material is realized in injector body, easy to operate practicality, it is not necessary to which other support the use facility can be embodied directly in.
Description
Technical field
The utility model belongs to technical field of medical instruments, more particularly to a kind of bone cement injector.
Background technology
Bone cement (i.e. bone cement) is a kind of medical material for bone surgery, due to its part physical property with
And outward appearance and character quite as white cement for building, there has been so popular title after solidification.Bone cement generally by powder and
Liquid two parts preparation forms, in use, to be first well mixed according to certain ratio, then using bone cement injector by its
It is expelled to skeleton position.The mixing and stirring of usual bone cement are carried out in other containers, are reinjected after the completion of mixing
Bone cement injector, bone cement injector can not be directly realized by the well mixed purpose of material, add operation sequence, and operation is multiple
Miscellaneous, the equipment being used cooperatively is more.
Utility model content
The defects of can not realizing material well mixed purpose for bone cement injector existing for solution prior art, this reality
With a kind of bone cement injector of new offer.
In order to solve the above technical problems, technical scheme is used by the utility model reality：A kind of bone cement injector,
Including injector body and the intrinsic piston push rod of the injector is arranged on, described injector body one end has and injection
The injection nozzle of the cavity connection of device body, is placed with movable block in the cavity between the piston push rod and injection nozzle, works as activity
When block is located at injection nozzle one end, there is gap between movable block and the injector inner body wall, the gap connects the injection
The cavity and injection nozzle of device body.
Preferably, described movable block is spheroid, its diameter is less than the internal diameter of the injector body cavity.By thing
After expecting that (powder and liquid) loads bone cement injector, bone cement injector is rocked, spheroid is between piston push rod and injection nozzle
Free movement, play a part of stirring, mixed material, movable block is arranged to spheroid, spheroid motion is smooth, advantageously in thing
Expect the uniformity of mixing.The movable block of certain other shapes is equally applicable to the utility model, differ only in mixed effect and
Incorporation time.
It is adapted preferably, one end that described piston push rod is located in injector body cavity body has with the spheroid
Arc groove.When using injector injection bone cement, enable to piston push rod as far as possible close to injection nozzle, and then
Avoid more bone cement from residing in injector body, reduce the waste of material.
Preferably, one end inwall that described injector body is connected with the injection nozzle is tapered, the conical inboard wall
On be provided with some projections, when the spheroid is resisted against in the projection, shape between spheroid and the injector inner body wall
Into the gap.Upon injection, bone cement is directed into injection nozzle through the gap, avoids the clogging injection nozzle of spheroid.
Further, the duct of some connections is provided with described spheroid.The setting in duct can avoid spheroid from blocking up
While filling in injection nozzle, the passage of the injection nozzle of bone cement entrance is added, bone cement injection flow is improved, avoids causing to note
Penetrate the problem of resistance is big.
Preferably, the duct quantity is three, and three ducts are vertical two-by-two.Such a setting can be in most less porous
On the premise of road quantity, guarantee has a duct to be connected with injection nozzle, avoids ball position change or the rotation pair in injection
Influence caused by bone cement injection flow, ensure the uniformity of injection flow.
Further, for ease of operation, the one end of the piston push rod away from the injection nozzle has operation handle.
Further, one end that described injector body is connected with injection nozzle is provided with installation sleeve, described injection
Mouth is located in the installation sleeve, and the installation sleeve inwall is provided with internal thread.Bone cement can be noted using installation sleeve
Enter device to be connected with other equipment, be easy to bone cement to inject human body.
Beneficial effect：Movable block is set in injector body in the application, stirring action can be effectively played, can be direct
Realize the mixing that bone cement material is realized in injector body, easy to operate practicality, it is not necessary to which other support the use facility.
Brief description of the drawings
Fig. 1 is bone cement injector dimensional structure diagram；
Fig. 2 is bone cement injector sectional view；
Fig. 3 is partial structurtes enlarged drawing in Fig. 2；
Fig. 4 is sphere structure schematic diagram；
1. injector body in figure, 11. installation sleeves, 12. is raised, 2. piston push rods, 21. handles, 22. arc grooves,
3. spheroid, 31. ducts, 4. injection nozzles.
Embodiment
Embodiment
As shown in figures 1-4, a kind of bone cement injector, including injector body 1 and it is arranged on the injector body 1
Interior piston push rod 2, the one end of the piston push rod 2 away from the injection nozzle 4 have operation handle 21, the injector body
1 one end is with the injection nozzle 4 connected with the cavity of injector body 1, in the cavity between the piston push rod 2 and injection nozzle 4
Movable block is placed with, when movable block is located at 4 one end of injection nozzle, between having between the inwall of movable block and injector body 1
Gap, the gap connect the cavity and injection nozzle 4 of the injector body 1.What described injector body 1 was connected with injection nozzle 4
One end is provided with installation sleeve 11, and described injection nozzle 4 is located in the installation sleeve 11, and the inwall of installation sleeve 11 is set
There is internal thread.
Illustrated in the present embodiment by spheroid 3 of movable block, the diameter of spheroid 3 is less than the cavity of injector body 1
Internal diameter.One end that described piston push rod 2 is located in the cavity of injector body 1 has the arc being adapted with the spheroid 3
Groove 22.One end inwall that described injector body 1 is connected with the injection nozzle 4 is tapered, is provided with the conical inboard wall
Some raised 12, when the spheroid 3 is resisted against on described raised 12, formed between spheroid 3 and injector body 1 inwall
The gap.The duct 31 of three connections is provided with described spheroid 3, and three ducts 31 are vertical two-by-two.
In use, directly bone cement material powder and liquid can be added in injector body 1, injector, ball are rocked
The free movement in the cavity i.e. between piston push rod 2 and injection nozzle 4 of body 3, stirring, well mixed work are played to wherein material
With, after the completion of mixing, the air in discharge injector body 1, and be connected injection nozzle 4 with gas apparatus using installation sleeve 11
Implant operation can be carried out.If injection nozzle 4 is down during implant operation, spheroid 3 is resisted against in projection 12 under gravity, is pushed away
Piston push rod 2, bone cement are imported by the gap between spheroid 3 and the inside of injector body 1 and the duct 31 on spheroid 3
In injection nozzle 4, injection is finally completed.
Claims (8)
- A kind of 1. bone cement injector, it is characterised in that：Including injector body (1) and it is arranged on the injector body (1) Interior piston push rod (2), described injector body (1) one end have the injection nozzle connected with the cavity of injector body (1) (4) movable block, is placed with the cavity between the piston push rod (2) and injection nozzle (4), when movable block is located at injection nozzle (4) During one end, there is gap between movable block and injector body (1) inwall, the gap connects the injector body (1) Cavity and injection nozzle (4).
- 2. bone cement injector according to claim 1, it is characterised in that：Described movable block is spheroid (3), its diameter Less than the internal diameter of injector body (1) cavity.
- 3. bone cement injector according to claim 2, it is characterised in that：Described piston push rod (2) is located at injector One end in body (1) cavity has the arc groove (22) being adapted with the spheroid (3).
- 4. the bone cement injector according to Claims 2 or 3, it is characterised in that：Described injector body (1) with it is described One end inwall of injection nozzle (4) connection is tapered, some raised (12) is provided with the conical inboard wall, when the spheroid (3) supports When leaning against on raised (12), the gap is formed between the spheroid (3) and injector body (1) inwall.
- 5. bone cement injector according to claim 4, it is characterised in that：Described spheroid (3) if on be provided with involvement Logical duct (31).
- 6. bone cement injector according to claim 5, it is characterised in that：Duct (31) quantity is three, and three The individual duct (31) is vertical two-by-two.
- 7. bone cement injector according to claim 1, it is characterised in that：The piston push rod (2) is away from the injection One end of mouth (4) has operation handle (21).
- 8. bone cement injector according to claim 1, it is characterised in that：Described injector body (1) and injection nozzle (4) one end of connection is provided with installation sleeve (11), and described injection nozzle (4) is located in the installation sleeve (11), the peace Sleeved (11) inwall is provided with internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720141456.9U CN207024112U (en) | 2017-02-16 | 2017-02-16 | Bone cement injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720141456.9U CN207024112U (en) | 2017-02-16 | 2017-02-16 | Bone cement injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207024112U true CN207024112U (en) | 2018-02-23 |
Family
ID=61471578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720141456.9U Active CN207024112U (en) | 2017-02-16 | 2017-02-16 | Bone cement injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207024112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618716A (en) * | 2017-02-16 | 2017-05-10 | 常州凯耀医疗器械有限公司 | Bone cement injector |
-
2017
- 2017-02-16 CN CN201720141456.9U patent/CN207024112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618716A (en) * | 2017-02-16 | 2017-05-10 | 常州凯耀医疗器械有限公司 | Bone cement injector |
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| GR01 | Patent grant |