CN206499719U - A kind of anti-blood back no-needle transfusion joint - Google Patents
A kind of anti-blood back no-needle transfusion joint Download PDFInfo
- Publication number
- CN206499719U CN206499719U CN201621176948.3U CN201621176948U CN206499719U CN 206499719 U CN206499719 U CN 206499719U CN 201621176948 U CN201621176948 U CN 201621176948U CN 206499719 U CN206499719 U CN 206499719U
- Authority
- CN
- China
- Prior art keywords
- needle
- lower cover
- blood back
- silica gel
- runner
- 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.)
- Active
Links
Abstract
The utility model discloses kind of an anti-blood back no-needle transfusion joint, include lid, silica gel valve and lower cover, the silica gel valve is arranged on hollow intracavitary, the silica gel valve includes sealing, the upper end of the upper sealing is provided with otch, the lower surface of the needle seat is provided with standard luer fittings, the lower cover also includes runner, the runner is extended to the top of needle by the lower surface of needle seat, the side wall on the top of the needle is provided with through hole, and the lower end of the runner is in communication with the outside, upper end is connected with through hole；The inwall of the inner chamber and the outer surface of needle are abutted against.No-needle transfusion joint of the present utility model effectively prevents that blood flows back during infusion treatment, it is to avoid unexpected blood back phenomenon occurs, and transfusion problem can not be continued because of the plugging that blood back is produced, air embolism when solving infusion.
Description
Technical field
The utility model is related to a kind of medicine equipment articles for use, particularly no-needle transfusion joint.
Background technology
No-needle transfusion joint has been widely used in the infusion treatment of clinical departments room, but most needleless on domestic market
Infusion connector is negative pressure joint, and negative pressure joint is when infusing completion, it may occur that blood back phenomenon.Once there is blood back, gently it can then shy
Patient is frightened, the worry and uneasiness of patient is caused, it is heavy then infusion tube can be caused can not to continue transfusion due to air embolism.Cause
This, the adverse consequences for how effectively solving this problem in treatment clinical course and its bringing is always that industry is more intractable
Problem.
Utility model content
The technical problems to be solved in the utility model is：There is provided one kind can effectively anti-Hemostatic Oral Liquid backflow and structure is more simple
Single anti-blood back no-needle transfusion joint.
The solution that the utility model solves its technical problem is：A kind of anti-blood back no-needle transfusion joint, includes
Lid, silica gel valve and lower cover, the upper end of the upper lid, which includes in infusion connector, the upper lid, middle cavity, the infusion connector
Periphery is provided with external screw thread, and the infusion connector is connected with middle cavity；The silica gel valve is arranged on hollow intracavitary, the silica gel valve bag
Sealing is included, the upper end of the upper sealing is provided with otch, and the upper sealing and the inwall of infusion connector are interference fitted, the silicon
Glue valve be provided with inner chamber, the lower cover include needle seat and needle, the needle be located at needle seat upper surface and with needle seat
It is integrally formed, the lower surface of the needle seat is provided with standard luer fittings, and the lower cover also includes runner, and the runner is by valve
The lower surface of needle stand extends to the top of needle, and the side wall on the top of the needle is provided with through hole, the lower end of the runner with
External world's connection, upper end are connected with through hole；The inwall of the inner chamber and the outer surface of needle are abutted against.
As the further improvement of above-mentioned technical proposal, the upper lid is tightly connected with lower cover.
As the further improvement of above-mentioned technical proposal, the upper lid is the shaping of PC material injections with lower cover, and both
By ultrasonic bonding together.
As the further improvement of above-mentioned technical proposal, the periphery of the lower cover is additionally provided with groove, and the groove connection is outer
Boundary and middle cavity.
As the further improvement of above-mentioned technical proposal, the needle is in lower small taper upper greatly, the lubrication groove of the inner chamber
Exterior feature matches with the outline of needle.
The beneficial effects of the utility model are：Blood when no-needle transfusion joint of the present utility model effectively prevents infusion treatment
Backflow, it is to avoid unexpected blood back phenomenon occurs, because of the plugging that blood back is produced, air embolism when solving infusion
Transfusion problem can not be continued.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present utility model, rather than entirely
Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain it according to these accompanying drawings
His design and accompanying drawing.
Fig. 1 is assembling schematic diagram of the present utility model；
Fig. 2 is assembling view of the present utility model.
Embodiment
The technique effect of design of the present utility model, concrete structure and generation is carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area
The other embodiment that art personnel are obtained on the premise of not paying creative work, belongs to the model of the utility model protection
Enclose.In addition, all connection/annexations being previously mentioned in text, not singly refer to component and directly connect, and refer to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, to constitute more excellent draw bail.Each technology in the invention is special
Levy, can be with combination of interactions on the premise of not conflicting conflict.
A kind of 1~Fig. 2 of reference picture, anti-blood back no-needle transfusion joint includes lid 1, silica gel valve 2 and lower cover 3, it is described on
The upper end of lid 1, which includes, middle cavity 12 in infusion connector 11, the upper lid 1, the periphery of infusion connector 11 is provided with outer spiral shell
Line, the infusion connector 11 is connected with middle cavity 12；The silica gel valve 2 is arranged in middle cavity 12, and the silica gel valve 2 includes
Upper sealing 21, the upper end of the upper sealing 21 is provided with otch, and the upper sealing 21 and the inwall of infusion connector 11 are interference fitted, institute
Silica gel valve 2 is stated provided with inner chamber 22, the lower cover 3 includes needle seat 31 and needle 32, the needle 32 is located at needle seat 31
Upper surface and 31 it is integrally formed with needle seat, the lower surface of the needle seat 31 is provided with standard luer fittings, and the lower cover 3 is also wrapped
Runner 33 is included, the runner 33 is extended to the top of needle 32 by the lower surface of needle seat 31, the top of the needle 32
Side wall is provided with through hole 321, and the lower end of the runner 33 is in communication with the outside, upper end is connected with through hole 321；The inner chamber 22 it is interior
The outer surface of wall and needle 32 is abutted against.
It is further used as preferred embodiment, the upper lid 1 is tightly connected with lower cover 3.
It is further used as preferred embodiment, the upper lid 1 is the shaping of PC material injections with lower cover 3, and both are logical
Cross ultrasonic bonding together.
It is further used as preferred embodiment, the periphery of the lower cover 3 is additionally provided with groove 34, and the groove 34 connects outer
Boundary and middle cavity 12.
It is further used as preferred embodiment, the needle 32 is in lower small taper upper greatly, the lubrication groove of the inner chamber 22
Exterior feature matches with the outline of needle 32.
Better embodiment of the present utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit
Type or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (5)
1. a kind of anti-blood back no-needle transfusion joint, it is characterised in that：Include lid（1）, silica gel valve（2）With lower cover（3）, it is described
Upper lid（1）Upper end include infusion connector（11）, the upper lid（1）Inside there is middle cavity（12）, the infusion connector（11）Outside
Week is provided with external screw thread, the infusion connector（11）With middle cavity（12）Connection；The silica gel valve（2）Installed in middle cavity（12）
It is interior, the silica gel valve（2）Include sealing（21）, the upper sealing（21）Upper end be provided with otch, the upper sealing（21）
With infusion connector（11）Inwall interference fit, the silica gel valve（2）Provided with inner chamber（22）, the lower cover（3）Include needle
Seat（31）With needle（32）, the needle（32）Positioned at needle seat（31）Upper surface and with needle seat（31）It is integrally formed, institute
State needle seat（31）Lower surface be provided with standard luer fittings, the lower cover（3）Also include runner（33）, the runner（33）
By needle seat（31）Lower surface extend to needle（32）Top, the needle（32）Top side wall be provided with through hole
（321）, the runner（33）Lower end be in communication with the outside, upper end and through hole（321）Connection；The inner chamber（22）Inwall and valve
Pin（32）Outer surface abut against.
2. anti-blood back no-needle transfusion joint according to claim 1, it is characterised in that：The upper lid（1）With lower cover（3）
It is tightly connected.
3. anti-blood back no-needle transfusion joint according to claim 2, it is characterised in that：The upper lid（1）With lower cover（3）
For PC material injections be molded, and both by ultrasonic bonding together.
4. anti-blood back no-needle transfusion joint according to claim 1, it is characterised in that：The lower cover（3）Periphery also set
There is groove（34）, the groove（34）Connect extraneous and middle cavity（12）.
5. anti-blood back no-needle transfusion joint according to claim 1, it is characterised in that：The needle（32）In it is lower it is big on
Small taper, the inner chamber（22）Internal periphery and needle（32）Outline match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621176948.3U CN206499719U (en) | 2016-11-02 | 2016-11-02 | A kind of anti-blood back no-needle transfusion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621176948.3U CN206499719U (en) | 2016-11-02 | 2016-11-02 | A kind of anti-blood back no-needle transfusion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206499719U true CN206499719U (en) | 2017-09-19 |
Family
ID=59844134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621176948.3U Active CN206499719U (en) | 2016-11-02 | 2016-11-02 | A kind of anti-blood back no-needle transfusion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206499719U (en) |
-
2016
- 2016-11-02 CN CN201621176948.3U patent/CN206499719U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206499716U (en) | A kind of new reverse flow resistant indwelling needle | |
| CN206499719U (en) | A kind of anti-blood back no-needle transfusion joint | |
| CN106333851A (en) | Transfusion container | |
| CN204364655U (en) | A kind of positive pressure connector | |
| CN205434529U (en) | Disposable needleless malleation connects | |
| CN206809471U (en) | A kind of medicine dissolving device with medical filtration of energy equalizing vial inner and outer air pressure | |
| CN205885888U (en) | Transfusion system is with connecting | |
| CN205913579U (en) | Novel needleless malleation connects | |
| CN204910146U (en) | Improved generation intestines and stomach nutrition tube | |
| CN206214422U (en) | Disposable sterilized medicine dissolving device | |
| CN207768824U (en) | A kind of anti-blood back infusion connector being vented | |
| CN209679264U (en) | A kind of three chamber urinary catheters with connector for bladder douching | |
| CN208877511U (en) | A kind of no-needle transfusion connector | |
| CN206239810U (en) | A kind of infusion connector of effectively anti-Hemostatic Oral Liquid backflow | |
| CN205729881U (en) | A kind of needleless zero-pressure infusion connector | |
| CN209392510U (en) | A kind of chemotherapeutic drugs injection front exhaust drain collector | |
| CN207822267U (en) | Stomach tube/intestinal tube tree fork shape connector | |
| CN208448432U (en) | A kind of Novel needle positive pressure infusion connector | |
| CN201542942U (en) | Double-tube port of transfusion bag | |
| CN206325063U (en) | Medical Needleless barotropic joint | |
| CN209137356U (en) | A kind of intravenous injection bottle | |
| CN211798246U (en) | Medical three-way joint | |
| CN206809502U (en) | One kind can anti-air embolism type CVC | |
| CN206424368U (en) | A kind of valve transfusion port conduit | |
| CN207627687U (en) | The needle tubing encapsulating structure of pre-encapsulated injector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |