CN206534923U - A kind of counterflow-preventing peripherally inserted central conduit - Google Patents
A kind of counterflow-preventing peripherally inserted central conduit Download PDFInfo
- Publication number
- CN206534923U CN206534923U CN201621240490.3U CN201621240490U CN206534923U CN 206534923 U CN206534923 U CN 206534923U CN 201621240490 U CN201621240490 U CN 201621240490U CN 206534923 U CN206534923 U CN 206534923U
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- China
- Prior art keywords
- check valve
- interface
- extension pipe
- counterflow
- central conduit
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Abstract
The utility model discloses a kind of counterflow-preventing peripherally inserted central conduit, include PICC pipes, connecting seat and extension pipe, the rear end of the extension pipe is connected with Y type needleless joints, the Y types needleless joint includes needle stand, first interface and second interface, the needle stand includes connector, the connector is connected with extension pipe, and includes check valve in the first interface and the cavity of second interface.The utility model can prevent the Y type needleless joints of adverse current by adding one at extension pipe, the device is equipped with two interfaces for carrying medical Rule female joint, two interfaces belong to air-tight state under normal circumstances, when needing to be infused or during pumpback, use lid on the accessory insertion needleless joint with Rule pin end, check valve in interface, which is received, opens infusion channel progress liquid conveying after extruding, complete liquid conveying backed off after random needleless joint, check valve closes infusion channel after restoring to the original state, and infusion connector is recovered air-tight state.
Description
Technical field
The utility model is related to a kind of medicine equipment articles for use, particularly CVC.
Background technology
CVC is a kind of common medicine equipment, belongs to one kind of blood vessel inner tube, is positioned in big vein.Its
The vein of patient is inserted by puncture technique, such as jugular vein is infused patient.Clinical many peripheral vascular conditions are very
The patient of difference is as usual to appear in the operation that blood loss may be larger, or blood pressure is maintained during first aid, it is necessary to indwelling central vein
Conduit is as venous transfusion path, because its pain is small, the advantage of indwelling time length is clinically promoted.It is existing referring to Fig. 1
Some CVCs include a PICC bodys a and extension pipe b, and wherein PICC bodys a and extension pipe b use silica gel material
Material production, extension tube portion is configured without slide fastener or this kind of fluid stopping accessory of vessel clamp, in Clinical practice, and decoction should be from extension pipe
Be input into by PICC conduits in human body, but due to lacking fluid stopping accessory, complete after transfusion can not closed tube, blood in human body in liquid can
It can inversely be flowed out by body, therapeutic effect can be influenceed and cause patient's mood uneasy.
Utility model content
The technical problems to be solved in the utility model is：Offer is a kind of to overcome above-mentioned not enough new CVC.
The solution that the utility model solves its technical problem is：A kind of counterflow-preventing peripherally inserted central conduit, bag
PICC pipes, connecting seat and extension pipe are included, the front end of the connecting seat is connected with PICC pipes, rear end and the connection of extension pipe, described
PICC pipes are connected with extension pipe, and the rear end of the extension pipe is connected with Y type needleless joints, and the Y types needleless joint includes pin
Seat, first interface and second interface, the needle stand include connector, and the connector is connected with extension pipe, and described first connects
Mouth and in connector insertion, and the first interface and the cavity of second interface includes check valve with second interface.
As the further improvement of above-mentioned technical proposal, the check valve is in " Jiong " shape, and the top of the check valve includes
There is a kerf, the check valve is silica gel material injection molding.
As the further improvement of above-mentioned technical proposal, the outline of the check valve and the inner chamber profile phase of first interface
Adaptation.
As the further improvement of above-mentioned technical proposal, also include check valve in the cavity of the first interface, it is described
Check valve is located at the front of check valve.
As the further improvement of above-mentioned technical proposal, the check valve is " V "-shaped, and the tip of the check valve includes
There is an otch, the check valve is by silica gel material injection molding.
As the further improvement of above-mentioned technical proposal, guiding core, institute are also included between the check valve and check valve
State and be oriented to core connection described check valve and check valve.
As the further improvement of above-mentioned technical proposal, the both sides of the connecting seat also include the installation wing, the installation
The wing is in airfoil, and the installation wing is provided with through hole.
The beneficial effects of the utility model are：The utility model can prevent the Y of adverse current by adding one at extension pipe
Type needleless joint, the device is belonged under normal circumstances equipped with two interfaces for carrying medical Rule female joint, two interfaces
Air-tight state, when needing to be infused or during pumpback, inserted on needleless joint and covered using the accessory with Rule pin end, in interface
Check valve receive extruding after open infusion channel carry out liquid conveying, complete liquid conveying backed off after random needleless joint, check valve
Infusion channel is closed after reinstatement, infusion connector is recovered air-tight state.
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 CVC structural representation of the prior art；
Fig. 2 is CVC structural representation of the present utility model；
Fig. 3 is the partial sectional view of central vein 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 2~Fig. 3 of reference picture, counterflow-preventing peripherally inserted central conduit includes PICC pipes 1, connecting seat 2 and extension
Pipe 3, the front end of the connecting seat 2 is connected with PICC pipes 1, rear end and extension pipe 3 are connected, and the PICC pipes 1 connect with extension pipe 3
Logical, the rear end of the extension pipe 3 is connected with Y types needleless joint 4, and the Y types needleless joint 4 includes needle stand 41, first interface
42 with second interface 43, the needle stand 41 includes connector, and the connector is connected with extension pipe, the first interface 42 and
Second interface 43 and in connector insertion, and the first interface 42 and the cavity of second interface 43 includes check valve
5。
It is further used as preferred embodiment, the check valve 5 is in " Jiong " shape, and the top of the check valve 5 includes
A kerf, the check valve 5 is silica gel material injection molding.
It is further used as preferred embodiment, the outline of the check valve 5 and the inner chamber profile phase of first interface 42
Adaptation.The outline of check valve is adapted with the inner chamber profile of first interface, can be improved its sealing, be prevented parenteral solution from remaining
In the interface.
It is further used as preferred embodiment, check valve 6 is also included in the cavity of the first interface 42, it is described anti-
Inverse valve 6 is located at the front of check valve 5.The check valve 6 is " V "-shaped, and the tip of the check valve 6 includes an otch,
The check valve 6 is by silica gel material injection molding.By adding check valve, it can cause first interface can only unidirectional injecting fluid
Into conduit, the liquid in body can not be flowed out from first interface one；And second interface is then bidirectional joint, liquid can be carried out
Body is conveyed and pumpback.
It is further used as preferred embodiment, guiding core 7 is also included between the check valve 5 and check valve 6, it is described
It is oriented to core 7 and connects described check valve 5 and check valve 6.By being oriented to core, the connection of check valve and check valve can be caused more
Reliably, wherein the front end and the check valve that are oriented to core are closed and rear end is just closed with check valve.
It is further used as preferred embodiment, the both sides of the connecting seat 2 also include the installation wing, and the installation wing is in
Airfoil, the installation wing is provided with through hole.
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 (7)
1. a kind of counterflow-preventing peripherally inserted central conduit, includes PICC pipes（1）, connecting seat（2）With extension pipe（3）, it is described
Connecting seat（2）Front end and PICC manage（1）Connection, rear end and extension pipe（3）Connection, the PICC pipes（1）With extension pipe（3）Even
It is logical, it is characterised in that：The extension pipe（3）Rear end be connected with Y type needleless joints（4）, the Y types needleless joint（4）Including
There is needle stand（41）, first interface（42）With second interface（43）, the needle stand（41）Include connector, the connector with it is outer
Prolong pipe connection, the first interface（42）With second interface（43）Equal and connector insertion, and the first interface（42）With
Second interface（43）Cavity in include check valve（5）.
2. counterflow-preventing peripherally inserted central conduit according to claim 1, it is characterised in that：The check valve（5）It is in
" Jiong " shape, the check valve（5）Top include a kerf, the check valve（5）For silica gel material injection molding.
3. counterflow-preventing peripherally inserted central conduit according to claim 2, it is characterised in that：The check valve（5）'s
Outline and first interface（42）Inner chamber profile be adapted.
4. counterflow-preventing peripherally inserted central conduit according to claim 1, it is characterised in that：The first interface（42）
Cavity in also include check valve（6）, the check valve（6）Positioned at check valve（5）Front.
5. counterflow-preventing peripherally inserted central conduit according to claim 4, it is characterised in that：The check valve（6）It is in
" V " font, the check valve（6）Tip include an otch, the check valve（6）By silica gel material injection molding.
6. counterflow-preventing peripherally inserted central conduit according to claim 5, it is characterised in that：The check valve（5）With
Check valve（6）Between also include guiding core（7）, the guiding core（7）The described check valve of connection（5）With check valve（6）.
7. counterflow-preventing peripherally inserted central conduit according to claim 1, it is characterised in that：The connecting seat（2）'s
Both sides also include the installation wing, and the installation wing is in airfoil, and the installation wing is provided with through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621240490.3U CN206534923U (en) | 2016-11-18 | 2016-11-18 | A kind of counterflow-preventing peripherally inserted central conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621240490.3U CN206534923U (en) | 2016-11-18 | 2016-11-18 | A kind of counterflow-preventing peripherally inserted central conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206534923U true CN206534923U (en) | 2017-10-03 |
Family
ID=59937041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621240490.3U Active CN206534923U (en) | 2016-11-18 | 2016-11-18 | A kind of counterflow-preventing peripherally inserted central conduit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206534923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108969866A (en) * | 2018-10-15 | 2018-12-11 | 魏海霞 | A kind of PICC sets the seal wire guidance negative pressure attachment device of effective EKG positioning |
| WO2023278526A1 (en) * | 2021-07-02 | 2023-01-05 | Becton, Dickinson And Company | Non-integrated catheter system having an extension set |
-
2016
- 2016-11-18 CN CN201621240490.3U patent/CN206534923U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108969866A (en) * | 2018-10-15 | 2018-12-11 | 魏海霞 | A kind of PICC sets the seal wire guidance negative pressure attachment device of effective EKG positioning |
| WO2023278526A1 (en) * | 2021-07-02 | 2023-01-05 | Becton, Dickinson And Company | Non-integrated catheter system having an extension set |
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| GR01 | Patent grant |