CN208243853U - Choke type remaining needle - Google Patents
Choke type remaining needle Download PDFInfo
- Publication number
- CN208243853U CN208243853U CN201720965762.4U CN201720965762U CN208243853U CN 208243853 U CN208243853 U CN 208243853U CN 201720965762 U CN201720965762 U CN 201720965762U CN 208243853 U CN208243853 U CN 208243853U
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- CN
- China
- Prior art keywords
- barrier film
- gas barrier
- extension tube
- catheter
- catheter block
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- 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.)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Choke type remaining needle provided by the utility model, including inlying catheter, catheter block, batching pig, puncture needle tubing, needle tubing seat, extension tube, infusion tee, the inlying catheter rear end installation is connected on catheter block, batching pig is mounted in catheter block, it punctures needle tubing and passes through batching pig, through in inlying catheter, infusion tee is connect by extension tube with catheter block side branch.It is characterized by: being provided with gas barrier film in the connecting pin of extension tube and catheter block side branch, or the connecting pin of extension tube and infusion tee is provided with gas barrier film.Pass through the setting of gas barrier film, air can be prevented to enter the vein blood vessel of patient, particulate matter present in medical fluid can be effectively filtered out, the air and particulate matter is avoided to enter human body, to avoid the harm of the air and particulate matter to human body, and the gas barrier film will not influence normal operating, it is easy to use.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of choke type remaining needle.
Background technique
Venous detaining needle has been widely applied in clinic, has not only solved the pain that patient punctures repeatedly, but also alleviate
The workload of clinical nursing staff has many advantages, such as long retention time, protection blood vessel, also convenient for first aid and timely administration.
After the completion of clinically nursing staff is punctured using venous indwelling for patient at present, it usually needs connected to remaining needle
Infusion apparatus carries out infusion medical fluid, will if medical fluid drips off and replaces medicine bottle not in time or infusion-completed pulls out infusion apparatus not in time
There is air to enter vein blood vessel, causes harm to the human body.Flow-stopping clip is closed to prevent air from entering human body if used, and can be made
At the adverse consequences of blood backflow.
Summary of the invention
In order to solve the above problems existing in the present technology, the utility model provides a kind of choke type remaining needle, knot
Structure is simple, easy to use, can effectively prevent air and enters vein blood vessel, moreover it is possible to which the particulate matter in effective filtering liquid medicine is fitted
It is wide with range, securely and reliably.
Choke type remaining needle, including inlying catheter, catheter block, batching pig, puncture needle tubing, needle tubing seat, extension tube, infusion three
Logical, the inlying catheter rear end installation is connected on catheter block, and batching pig is mounted in catheter block, is punctured needle tubing and is passed through isolation
Plug, through in inlying catheter, infusion tee is connect by extension tube with catheter block side branch.It is characterized by: in extension tube
The connecting pin of catheter block side branch is provided with gas barrier film, or the connecting pin of extension tube and infusion tee is provided with gas barrier film.
Further, the collateral inside pipe wall of catheter block is provided with a circle step, and gas barrier film, extension tube lower end are welded on step
Insertion catheter block is collateral until connecting with gas barrier film upper surface.Or infusion tee lower end inner wall is provided with a circle step, on step
It is welded with gas barrier film, extension tube upper end insertion infusion tee lower end with gas barrier film lower surface until connect.
Further, the gas barrier film is the film with hydrophilic thin gas.
Further, the gas barrier film is welded by way of hot weld, ultrasound or high frequency heat seal.
Further, flow-stopping clip is provided in the extension tube.
Further, the catheter block lower end is provided with protective case.
Further, the infusion tee includes upper port, side ports and lower port, and the upper port of the infusion tee is set
It is equipped with calparine cap, side ports are provided with helmet, the upper end connection of lower port and extension tube.
When medical fluid has been transfused fastly, when liquid level drops to gas barrier film in extension tube, subsequent air can be hindered by gas barrier film
It blocks, can not be produced by gas barrier film, gas barrier film fluid column below in self gravity, atmospheric pressure, human vein pressure and gas barrier film
Reach equilibrium state under raw upward gravitation, fluid column no longer declines.When that cannot replace transfusion bottle in time, gas barrier film makes air not
Human body can be entered, guarantee that patient's is healthy and safe.
The utility model has the following beneficial effects: being provided with gas barrier film on the choke type remaining needle, the gas barrier film can
Prevent air from entering the vein blood vessel of patient, particulate matter present in medical fluid can be effectively filtered out, avoid the air and
Particulate matter enters human body, to avoid the harm of the air and particulate matter to human body, and the gas barrier film will not
Normal operating is influenced, it is easy to use.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of an embodiment of the present invention.
Fig. 2 is the structural schematic diagram that the portion A amplifies in Fig. 1.
Description of symbols: 1- inlying catheter, 2- catheter block, 3- batching pig, 4- puncture needle tubing, 5- needle tubing seat, 6- choke
Film, 7- extension tube, 8- infusion tee, 9- calparine cap, 10- helmet, 11- flow-stopping clip, 12- protective case.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.
As depicted in figs. 1 and 2, in a preferred embodiment of the utility model, in extension tube and catheter block side branch
Connecting pin be provided with gas barrier film.
Choke type remaining needle, including inlying catheter 1, catheter block 2, batching pig 3, puncture needle tubing 4, needle tubing seat 5, extension tube 7,
Infusion tee 8,1 rear end of the inlying catheter installation are connected on catheter block 2, and batching pig 3 is mounted in catheter block 2, puncture needle
Pipe 4 passes through batching pig 3, and through in inlying catheter 1, infusion tee 8 is connect by extension tube 7 with 2 side branch of catheter block.It is special
Sign is: the connecting pin of extension tube 7 and 2 side branch of catheter block being provided with gas barrier film 6, or in extension tube 7 and infusion tee 8
Connecting pin is provided with gas barrier film 6.
Further, the collateral inside pipe wall of catheter block 2 is provided with a circle step, and gas barrier film 6, extension tube 7 are welded on step
Lower end insertion 2 side branch of catheter block with 6 upper surface of gas barrier film until connect.Or 8 lower end inner wall of infusion tee is provided with a circle platform
Rank is welded with gas barrier film 6 on step, and 7 upper end of extension tube insertion 8 lower end of infusion tee with 6 lower surface of gas barrier film until connect.
Further, the gas barrier film 6 is the film with hydrophilic thin gas.
Further, the gas barrier film 6 is welded by way of hot weld, ultrasound or high frequency heat seal.
Further, flow-stopping clip 11 is provided in the extension tube 7.
Further, 2 lower end of catheter block is provided with protective case 12.
Further, the infusion tee 8 includes upper port, side ports and lower port 8, the upper end of the infusion tee 8
Mouth is provided with calparine cap 9, and side ports are provided with helmet 10, and lower port is connect with the upper end of extension tube 7.
When medical fluid has been transfused fastly, when liquid level drops to gas barrier film in extension tube, subsequent air can be hindered by gas barrier film
It blocks, can not be produced by gas barrier film, gas barrier film fluid column below in self gravity, atmospheric pressure, human vein pressure and gas barrier film
Reach equilibrium state under raw upward gravitation, fluid column no longer declines.When that cannot replace transfusion bottle in time, gas barrier film makes air not
Human body can be entered, guarantee that patient's is healthy and safe.
The utility model has the following beneficial effects: being provided with gas barrier film on the choke type remaining needle, the gas barrier film can
Prevent air from entering the vein blood vessel of patient, particulate matter present in medical fluid can be effectively filtered out, avoid the air and
Particulate matter enters human body, to avoid the harm of the air and particulate matter to human body, and the gas barrier film will not
Normal operating is influenced, it is easy to use.
In the embodiments of the present invention 2, the connecting pin of extension tube 7 and infusion tee 8 is provided with gas barrier film 6,
Air can be prevented to enter the vein blood vessel of patient, particulate matter present in medical fluid can be effectively filtered out.
The utility model is not limited to above-mentioned embodiment, anyone can obtain it under the enlightenment of the utility model
His various forms of products, however, make any variation in its shape or structure, it is all have it is same as the present application or similar
Technical solution, all fall within the protection scope of the utility model.
Claims (7)
1. choke type remaining needle, including inlying catheter (1), catheter block (2), batching pig (3), puncture needle tubing (4), needle tubing seat (5),
Extension tube (7), infusion tee (8), inlying catheter (1) the rear end installation are connected on catheter block (2), batching pig (3) installation
It in catheter block (2), punctures needle tubing (4) and passes through batching pig (3), interior through inlying catheter (1), infusion tee (8) is by prolonging
Long tube (7) is connect with catheter block (2) side branch, it is characterised in that: in the connecting pin of extension tube (7) and catheter block (2) side branch
It is provided with gas barrier film (6), or the connecting pin of extension tube (7) and infusion tee (8) is provided with gas barrier film (6).
2. choke type remaining needle according to claim 1, it is characterised in that: catheter block (2) collateral inside pipe wall is provided with one
Step is enclosed, is welded with gas barrier film (6) on step, catheter block (2) side branch is inserted into until with gas barrier film (6) in extension tube (7) lower end
Upper surface connects；Or infusion tee (8) lower end inner wall is provided with a circle step, and gas barrier film (6), extension tube are welded on step
(7) upper end insertion infusion tee (8) lower end with gas barrier film (6) lower surface until connect.
3. choke type remaining needle according to claim 2, it is characterised in that: the gas barrier film (6) is with hydrophilic thin gas
The film of property.
4. choke type remaining needle according to claim 3, it is characterised in that: the gas barrier film (6) by hot weld, ultrasound or
The mode of high frequency heat seal is welded.
5. choke type remaining needle according to claim 4, it is characterised in that: be provided with flow-stopping clip on the extension tube (7)
(11)。
6. choke type remaining needle according to claim 5, it is characterised in that: catheter block (2) lower end is provided with protection
It covers (12).
7. choke type remaining needle according to claim 6, it is characterised in that: the infusion tee (8) includes upper port, side
The upper port of port and lower port, the infusion tee (8) is provided with calparine cap (9), and side ports are provided with helmet (10), lower end
Mouth is connect with the upper end of extension tube (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720965762.4U CN208243853U (en) | 2017-08-04 | 2017-08-04 | Choke type remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720965762.4U CN208243853U (en) | 2017-08-04 | 2017-08-04 | Choke type remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208243853U true CN208243853U (en) | 2018-12-18 |
Family
ID=64618613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720965762.4U Active CN208243853U (en) | 2017-08-04 | 2017-08-04 | Choke type remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208243853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181474A (en) * | 2021-05-07 | 2021-07-30 | 中国人民解放军陆军军医大学第一附属医院 | Safe type nondestructive puncture needle for infusion port |
-
2017
- 2017-08-04 CN CN201720965762.4U patent/CN208243853U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181474A (en) * | 2021-05-07 | 2021-07-30 | 中国人民解放军陆军军医大学第一附属医院 | Safe type nondestructive puncture needle for infusion port |
| CN113181474B (en) * | 2021-05-07 | 2022-08-02 | 中国人民解放军陆军军医大学第一附属医院 | Safe type nondestructive puncture needle for infusion port |
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| GR01 | Patent grant |