CN205198605U - Novel injector - Google Patents
Novel injector Download PDFInfo
- Publication number
- CN205198605U CN205198605U CN201520397864.1U CN201520397864U CN205198605U CN 205198605 U CN205198605 U CN 205198605U CN 201520397864 U CN201520397864 U CN 201520397864U CN 205198605 U CN205198605 U CN 205198605U
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- CN
- China
- Prior art keywords
- syringe
- core bar
- novel injector
- needle connector
- cylinder
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a novel injector, include: cylinder body, piston rod, elastic ring and syringe needle connector, the cylinder body is including the first cylinder, second cylinder and the syringe needle connector that connect gradually, the pipe is set to first cylinder, the second cylinder is equipped with symmetrical arc section structure, the piston rod includes fixed connection's push rod and core bar, the core bar includes first core bar and second core bar, first core bar with first cylinder cooperatees, the second core bar with the second cylinder cooperatees, first core bar with flexible circle is installed to the junction of second core bar, the piston rod is placed the cylinder is originally internal. In this way, the utility model discloses novel injector can place in the human body, and can not cause any injury to the human body, easily control of its operation, effectively avoid the preparation the waste, effectively avoid the cross infection of preparation, factor of safety is higher, the result of use is better.
Description
Technical field
This utility model relates to medical instruments field, particularly relates to a kind of novel injector.
Background technology
Syringe is a kind of common medical instruments, being conveniently fixedly connected with of syringe and syringe needle, and existing syringe is mostly cylinder, and the bottom of syringe is a plane, further, existing syringe is used for subcutaneous injection greatly, and syringe and skin generally can not directly contact.Along with the develop rapidly of medical skill, present stage, a lot of medical minor operation needed some medical preparations to beat to be flushed in human body, and this inspection targetedly or treatment, when using existing syringe, need in advance the inner end of a thin flexible pipe to be placed in human body, then the outer end of flexible pipe is connected on syringe, being beaten by these preparations by syringe is flushed in human body, but, be connected because existing syringe is all supporting with syringe needle, in syringe and hose connection process, under the effect of formulation flows pressure, likely flexible pipe can be there is and syringe comes off, the lighter causes the waste of preparation, severe one may cause preparation and human body bump contact, unnecessary trouble is brought to patient.
Utility model content
The technical problem that this utility model mainly solves be to provide a kind of can directly be placed in human body, effectively avoid the waste of preparation, effectively avoid the cross infection of preparation, novel injector that safety coefficient is higher.
For solving the problems of the technologies described above, the technical scheme that this utility model adopts is: provide a kind of novel injector, comprise: syringe body, piston rod, elastic ring and syringe needle connector, described syringe body comprises the first syringe connected successively, second syringe and syringe needle connector, described first syringe is arranged to pipe, described second syringe is provided with symmetrical arc section structure, and the upper end of described second syringe is connected with described first syringe, its lower end is connected with described syringe needle connector, the upper end external diameter of described second syringe is greater than its lower end external diameter, described syringe needle connector is also arranged to pipe, described piston rod comprises the push rod and core bar that are fixedly connected with, described core bar comprises the first core bar and the second core bar, described first core bar matches with described first syringe, described second core bar matches with described second syringe, the junction of described first core bar and described second core bar is equiped with elastic ring, the outer wall of described elastic ring and the inwall of described first syringe in mating connection, described piston rod is placed in described syringe body, and move in described syringe body.
In this utility model preferred embodiment, the lower end of described first core bar is provided with step surface, and the upper end of described second core bar is connected with the lower end of described first core bar, and the external diameter of the upper end of described second core bar is less than the external diameter of the lower end of described first core bar.
In this utility model preferred embodiment, the difference in height of described step surface is 0.01-0.5 millimeter.
In this utility model preferred embodiment, described syringe body is provided with scale.
In this utility model preferred embodiment, the outer wall of described second core bar is provided with the first projection of at least one circle annular, the inwall of described elastic ring is provided with the groove matched with described first projection, and the outer wall of described elastic ring is arranged to wave-like protrusions.
In this utility model preferred embodiment, described syringe needle connector is provided with anti-skidding projection.
In this utility model preferred embodiment, described anti-skidding projection is annular second projection, salient point or step surface.
In this utility model preferred embodiment, described syringe body is also provided with at least one spanner button.
In this utility model preferred embodiment, described first syringe, the second syringe and syringe needle connector are formed in one structure, and described first core bar and the second core bar are formed in one structure.
In this utility model preferred embodiment, the external diameter of described push rod is greater than the external diameter of described first syringe.
The beneficial effects of the utility model are: this utility model novel injector can be positioned in human body (such as in anus), and can not human body be caused any harm, its structure is simple, operation is easy to control, effectively avoid the waste of preparation, effectively avoid the cross infection of preparation, safety coefficient is higher, result of use is better, the scope of application is wider.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in this utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of novel injector one of the present utility model preferred embodiment;
In accompanying drawing, the labelling of each parts is as follows: 11, the first syringe; 12, the second syringe; 13, scale; 14, spanner button; 21, the first core bar; 22, the second core bar; 23, push rod; 24, step surface; 25, first is protruding; 3, elastic ring; 31, groove; 32, wave-like protrusions; 4, syringe needle connector; 41, second is protruding.
Detailed description of the invention
Be clearly and completely described to the technical scheme in this utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of this utility model protection.
Refer to Fig. 1, this utility model embodiment comprises:
A kind of novel injector, comprise: syringe body, piston rod, elastic ring 3 and syringe needle connector 4, described syringe body comprises the first syringe 11 connected successively, second syringe 12 and syringe needle connector 4, described first syringe 11 is arranged to pipe, described second syringe 12 is provided with symmetrical arc section structure, and the upper end of described second syringe 12 is connected with described first syringe 11, its lower end is connected with described syringe needle connector 4, the upper end external diameter of described second syringe 12 is greater than its lower end external diameter, described syringe needle connector 4 is also arranged to pipe, described piston rod comprises the push rod 23 and core bar that are fixedly connected with, described core bar comprises the first core bar 21 and the second core bar 22, described first core bar 21 matches with described first syringe 11, described second core bar 22 matches with described second syringe 12, described first core bar 21 is equiped with elastic ring 3 with the junction of described second core bar 22, the outer wall of described elastic ring 3 and the inwall of described first syringe 11 in mating connection, described piston rod is placed in described syringe body, and can move in described syringe body, medium in syringe body is flowed out from syringe needle connector 4.Certainly, above-mentioned top and bottom are the relative concept of its position, and are not only confined to overlying relation spatially.
The syringe body of existing syringe is all cylindrical, more flat bottom it, when needs are to when injecting the preparations such as liquid medicine in patient body, the syringe of syringe cannot be placed into inside of human body, by hose connection, preparation injection must be entered, and during by syringe body part being arranged to the first syringe 11 and the second syringe 12, the outer setting of the second syringe 12 is become the circular arc with the first syringe 11 rounding off, this version ensures the second syringe 12 (such as anus) when entering human body, can not twinge human body, effectively prevent the secondary injury to human body, simultaneously, can directly according to actual service condition, in end external hose or the non-connecting hose of syringe needle connector 4, effectively reduce the length of flexible pipe like this, even flexible pipe can not be re-used, namely medicament remaining in flexible pipe is decreased, also reduce the cross infection of medicament, particularly for the medicament having special control, effectively ensure that the utilization rate of medicament.
The principle of the syringe in the present embodiment and existing syringe is similar, cross is arranged to by described first core bar 21, arc is arranged to by described second core bar 22, and the second core bar 22 matches with the second syringe 12, the gap of the first core bar 21 and the first syringe 11 is L1, the gap of the second core bar 22 and the second syringe 12 is L2, release from syringe needle connector 4 completely to ensure to allow the preparation in syringe body, L1 will keep being more than or equal to L2, elastic ring 3 is connected between piston rod and syringe body, elastic ring 3 has certain elasticity, namely ensure that piston rod can move in the cavity of syringe body, prevent again preparation from overflowing in the cavity in syringe body, and, intercept the contact of preparation and extraneous air, prevent the infection of preparation.
The lower end of described first core bar 21 is provided with step surface 24, and the upper end of described second core bar 22 is connected with the lower end of described first core bar 21, and the external diameter of the upper end of described second core bar 22 is less than the external diameter of the lower end of described first core bar 21.As shown in Figure 1, elastic ring 3 is installed in the junction of step surface 24 and the second core bar 22, because elastic ring 3 has certain elasticity, namely ensure that piston rod can move in the cavity of syringe body, prevent again preparation from overflowing in the cavity in syringe body, further, intercept the contact of preparation and extraneous air, prevent the infection of preparation.When whole piston rod is all when the inside of the first syringe 11, elastic ring 3 is relied on preparation and outside air to be cut off, piston rod can move in the inside of the first syringe 11 syringe freely, along with the propelling of piston rod, preparation in first syringe 11 slowly moves towards the inside of the second syringe 12, second core bar 22 continues extrusion preparation and flows out from syringe needle connector 4 in the second syringe 12, because the outer wall of the second syringe 12 is arranged to circular arc, along with the propelling of the second core bar 22, elastic ring 3 can be extruded to a certain degree fixedly be pressed on the second syringe 12 afterwards inwall on, cannot in forward impelling, now, the outer wall of the second core bar 22 and the inwall of the second syringe 12 coincide, thus all preparations are released from syringe needle connector 4.This structure is simple, and operation is easy to control, and effectively prevent the waste of preparation, effectively avoids the cross infection of preparation, and result of use is better, and safety coefficient is higher.
And when being used as ordinary syringe by the syringe in the present embodiment, only need install syringe needle on syringe needle connector 4, the scope of application is wider.
The difference in height of described step surface 24 is 0.01-0.5 millimeter.The height of step surface 24 is controlled, is namely beneficial to the propelling of piston rod, ensure again on the inwall that elastic ring 3 is pressed on the second syringe 12, cannot when forward impelling, the outer wall of the second core bar 22 can effectively overlap with the inwall of the second syringe 12.
Described syringe body is provided with scale 13, and to be provided with scale identical with existing syringe outer wall, is provided with the use amount that namely scale 13 can control medicament accurately, also can finds out the surplus of medicament very intuitively, more convenient to use.
The outer wall of described second core bar 22 is provided with the first projection 25 of at least one circle annular, in the present embodiment, first projection 25 is a circle, and the inwall of described elastic ring 3 is provided with the groove 31 matched with described first projection 25, and the outer wall of described elastic ring 3 is arranged to wave-like protrusions 32.First projection 25 coordinates with groove 31, ensure that the firmness that elastic ring 3 is fixedly connected with the second core bar 22, and the outer wall of elastic ring 3 will be arranged to wavy 32, the frictional force of piston rod and syringe body inwall can be reduced, alleviate the active force of piston rod in the inner movement of syringe body, ensure the flexible movement of piston rod.
Described syringe needle connector 4 is provided with anti-skidding projection.Described anti-skidding projection is annular second projection 41, certainly, according to the needs that reality uses, anti-skidding projection also can use salient point or step surface, these anti-skidding projections can ensure the firmness that flexible pipe is connected with syringe needle connector 4, and under ensureing the pressure advanced at preparation, flexible pipe can not come off from syringe needle connector 4, the security performance of effective guarantee preparation, prevents because of coming off of flexible pipe the secondary injury that human body causes.
Described syringe body is also provided with at least one spanner button 14, as shown in Figure 1, in the present embodiment, spanner button 14 has two, the both sides being arranged on syringe body symmetrical respectively, advance in the process released at piston rod, can pin push rod 23 by thumb, middle finger utilizes spanner button 14 to fix, the use of more convenient syringe.
Described first syringe 11, second syringe 12 and syringe needle connector 4 are formed in one structure, and described first core bar 21 and the second core bar 22 are formed in one structure.Certainly, according to the difference of actual service condition, above-mentioned integrated formed structure also can use multiple non-integral structure to substitute.
The external diameter of described push rod 23 is greater than the external diameter of described first syringe 11.Effectively avoid whole piston rod to be pushed in syringe body, ensure normal use and the safety in utilization of syringe.
Be different from prior art, this utility model novel injector can be positioned over the inside (such as in anus) of human body, and can not human body be caused any harm, its structure is simple, operation is easy to control, effectively avoid the waste of preparation, effectively avoid the cross infection of preparation, safety coefficient is higher, result of use is better, the scope of application is wider.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize this utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a novel injector, it is characterized in that, comprise: syringe body, piston rod, elastic ring and syringe needle connector, described syringe body comprises the first syringe connected successively, second syringe and syringe needle connector, described first syringe is arranged to pipe, described second syringe is provided with symmetrical arc section structure, and the upper end of described second syringe is connected with described first syringe, its lower end is connected with described syringe needle connector, the upper end external diameter of described second syringe is greater than its lower end external diameter, described syringe needle connector is also arranged to pipe, described piston rod comprises the push rod and core bar that are fixedly connected with, described core bar comprises the first core bar and the second core bar, described first core bar matches with described first syringe, described second core bar matches with described second syringe, the junction of described first core bar and described second core bar is equiped with elastic ring, the outer wall of described elastic ring and the inwall of described first syringe in mating connection, described piston rod is placed in described syringe body, and move in described syringe body.
2. novel injector according to claim 1, it is characterized in that, the lower end of described first core bar is provided with step surface, and the upper end of described second core bar is connected with the lower end of described first core bar, and the external diameter of the upper end of described second core bar is less than the external diameter of the lower end of described first core bar.
3. novel injector according to claim 2, is characterized in that, the difference in height of described step surface is 0.01-0.5 millimeter.
4. novel injector according to claim 1, is characterized in that, described syringe body is provided with scale.
5. novel injector according to claim 1, it is characterized in that, the outer wall of described second core bar is provided with the first projection of at least one circle annular, and the inwall of described elastic ring is provided with the groove matched with described first projection, and the outer wall of described elastic ring is arranged to wave-like protrusions.
6. novel injector according to claim 1, is characterized in that, described syringe needle connector is provided with anti-skidding projection.
7. novel injector according to claim 6, is characterized in that, described anti-skidding projection is annular second projection, salient point or step surface.
8. novel injector according to claim 1, is characterized in that, described syringe body is also provided with at least one spanner button.
9. novel injector according to claim 1, is characterized in that, described first syringe, the second syringe and syringe needle connector are formed in one structure, and described first core bar and the second core bar are formed in one structure.
10. novel injector according to claim 1, is characterized in that, the external diameter of described push rod is greater than the external diameter of described first syringe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520397864.1U CN205198605U (en) | 2015-06-10 | 2015-06-10 | Novel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520397864.1U CN205198605U (en) | 2015-06-10 | 2015-06-10 | Novel injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205198605U true CN205198605U (en) | 2016-05-04 |
Family
ID=55836354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520397864.1U Expired - Fee Related CN205198605U (en) | 2015-06-10 | 2015-06-10 | Novel injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205198605U (en) |
-
2015
- 2015-06-10 CN CN201520397864.1U patent/CN205198605U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Zhang Wanbing Document name: Notification to Make Rectification |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhang Wanbing Document name: Notification to Go Through Formalities of Registration |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20160610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |