CN208114867U - A kind of transfusion catheter - Google Patents
A kind of transfusion catheter Download PDFInfo
- Publication number
- CN208114867U CN208114867U CN201721579536.9U CN201721579536U CN208114867U CN 208114867 U CN208114867 U CN 208114867U CN 201721579536 U CN201721579536 U CN 201721579536U CN 208114867 U CN208114867 U CN 208114867U
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- CN
- China
- Prior art keywords
- main body
- extension tube
- transfusion catheter
- valve
- catheter according
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Abstract
The utility model relates to the field of medical instrument technology, and in particular to a kind of transfusion catheter, including main body and extension tube are connected between the main body and the extension tube by interconnecting piece, are provided with valve in the main body.A kind of transfusion catheter provided by the utility model, by the way that valve is arranged in main body, the side opening for solving the venous infusion catheter of clinical use easily occurs that thrombus, phlebitis, conduit be adherent, blocking situation in use, the problem of making patients' state of an illness and pain.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of transfusion catheters.
Background technique
Currently, central venous catheter, which carries out venous transfusion, is widely used to clinical practice, the center of clinical use
Ductus venosus head end is open type, then a round or ellipse hole is opened at a certain distance from away from head end, for being administered and being infused,
The side opening opened easily causes occurs that thrombus, phlebitis, conduit be adherent, blocking situation in use, making patients' state of an illness and
Pain.
Utility model content
(1) technical problems to be solved
The purpose of this utility model is to provide a kind of transfusion catheters, it is intended to solve the side of transfusion catheter in the prior art
Easily generation thrombus, phlebitis, conduit are adherent in use in hole, block situation, the problem of making patients' state of an illness and pain.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of transfusion catheter, including main body and extension tube, institute
It states and is connected between main body and the extension tube by interconnecting piece, be provided with valve in the main body.
In one embodiment, the valve is uniformly arranged on the side of the main body.
In one embodiment, the quantity of the valve is 1 to 5.
In one embodiment, the notch of the valve is linear type or " ten " font.
In one embodiment, the rear end of the main body is provided with 1 to 5 connecting pin.
In one embodiment, the front end of the main body is open type or closed.
In one embodiment, the quantity of the extension tube and the quantity of connecting pin in the main body are equal and described
Extension tube and the connecting pin correspond.
In one embodiment, the main body, the extension tube pass through welding manner or bonding with the interconnecting piece
Mode connects；Or the main body, the extension tube and the interconnecting piece injection molding.
In one embodiment, the extension tube is provided with tube socket far from one end of the main body.
In one embodiment, the interconnecting piece is fixed-wing.
(3) beneficial effect
Compared with prior art, the above-mentioned technical proposal of the utility model has the advantages that：The utility model mentions
A kind of transfusion catheter supplied, by the way that valve is arranged in main body, the side opening for solving the venous infusion catheter of clinical use makes
With easily generation thrombus, phlebitis, conduit are adherent in the process, block situation, the problem of making patients' state of an illness and pain.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of transfusion catheter of the utility model embodiment；
Wherein, 1- main body；2- extension tube；3- valve；4- tube socket；5- fixed-wing.
Specific embodiment
The embodiments of the present invention is described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the utility model, but cannot be used to limit the scope of the utility model.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Unless another
It is described, the meaning of " nick shaped " is the shape in addition to section is concordant.Term " on ", "lower", "left", "right", "inner", "outside",
The orientation or positional relationship of the instructions such as " front end ", " rear end ", " head ", " tail portion " is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition,
Term " first ", " second ", " third " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.
For the ordinary skill in the art, can understand depending on concrete condition above-mentioned term in the present invention specifically contain
Justice.
Shown in Figure 1, the utility model provides a kind of transfusion catheter, including main body 1 and extension tube 2, main body 1 and prolongs
It is connected between long tube 2 by interconnecting piece, is provided with valve 3 in main body 1.
A kind of transfusion catheter provided by the utility model solves the quiet of clinical use by the way that valve is arranged in main body
Easily generation thrombus, phlebitis, conduit are adherent in use for the side opening of arteries and veins transfusion catheter, block situation, making patients' state of an illness
And the problem of pain.
Further, valve 3 is uniformly arranged on the side of main body 1.
Specifically, the quantity of valve 3 is 2, and 2 valves 3 are oppositely arranged on the side wall of main body 1 in the utility model.
More specifically, the notch of valve 3 is linear type or " ten " font.When the notch of valve is linear type, notch
Length range be 2mm to 10mm；When valve notch be " ten " font, wherein the length range of transverse incision be 2mm extremely
10mm, the length range of longitudinal cut are to be less than the 1/2 of main diameter greater than 0.2mm.
In use, 3 ecto-entad of valve is opened, and liquid is through valve when valve 3 is when bearing to be greater than under the effect of 80mmHg pressure
The inflow of film 3 is infused and achievees the purpose that treatment；When valve 3 is when bearing to be less than under the effect of -8mmHg pressure, valve 3 is by interior
It outwardly opens, liquid is drawn blood through the outflow of valve 3 to achieve the purpose that blood sampling；Make when valve 3 bears -8~80mmHg pressure
Used time, valve 3 are in close state, and the range of human body superior vena cava normal central venous pressure power is 0~5mmHg, the present embodiment
In valve 3 be in close state in -8~80mmHg pressure.
Further, the rear end of main body 1 is provided with 1 to 5 connecting pin.In the present embodiment, main body is by silica gel material or bullet
Property polyurethane material is made.
Further, the front end of main body 1 is open type or closed.
Further, the quantity of extension tube 2 is equal with the quantity of connecting pin in main body 1, and extension tube 2 and connecting pin are one by one
It is corresponding.In the present embodiment, extension tube is made of silica gel material, elastane or PVC material.
Further, main body 1, extension tube 2 are connect with interconnecting piece by welding manner or bonding mode；Or main body 1,
Extension tube 2 and interconnecting piece injection molding.
Specifically, main body 1 and extension tube 2 pass through hot air welding or laser welding or ultrasonic welding or binder bonding or note
The modes such as type are moulded into connect.
Further, extension tube 2 is provided with tube socket 4 far from one end of main body 1.Specifically, tube socket 4 is bonded by binder
Or laser welding or the modes such as ultrasonic welding or injection molding are fixed on the one end of extension tube 2 far from main body 1.
Further, interconnecting piece is fixed-wing 5.Fixed-wing 5 is bonded in the junction of main body 1 Yu extension tube 2；Fixed-wing 5
With main body 1,2 injection molding of extension tube.
The embodiments of the present invention are given for the purpose of illustration and description, and are not exhaustively or to incite somebody to action
The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes this field
Those of ordinary skill it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.
Claims (10)
1. a kind of transfusion catheter, which is characterized in that including main body (1) and extension tube (2), the main body (1) and the extension tube
(2) it is connected between by interconnecting piece, is provided with valve (3) on the main body (1).
2. transfusion catheter according to claim 1, which is characterized in that the valve (3) is uniformly arranged on the main body (1)
Side.
3. transfusion catheter according to claim 1, which is characterized in that the quantity of the valve (3) is 1 to 5.
4. transfusion catheter according to claim 1, which is characterized in that the notch of the valve (3) be linear type or
" ten " font.
5. transfusion catheter according to claim 1, which is characterized in that the rear end of the main body (1) is provided with 1 to 5 company
Connect end.
6. transfusion catheter according to claim 1, which is characterized in that the front end of the main body (1) is open type or closed
Formula.
7. transfusion catheter according to claim 1, which is characterized in that the quantity of the extension tube (2) and the main body (1)
The quantity of upper connecting pin is equal, and the extension tube (2) and the connecting pin correspond.
8. transfusion catheter according to claim 1, which is characterized in that the main body (1), the extension tube (2) are and institute
Interconnecting piece is stated to connect by welding manner or bonding mode；Or the main body (1), the extension tube (2) and the interconnecting piece
Injection molding.
9. transfusion catheter according to claim 1, which is characterized in that the one of the extension tube (2) separate the main body (1)
End is provided with tube socket (4).
10. transfusion catheter according to claim 1, which is characterized in that the interconnecting piece is fixed-wing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721579536.9U CN208114867U (en) | 2017-11-22 | 2017-11-22 | A kind of transfusion catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721579536.9U CN208114867U (en) | 2017-11-22 | 2017-11-22 | A kind of transfusion catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208114867U true CN208114867U (en) | 2018-11-20 |
Family
ID=64209173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721579536.9U Active CN208114867U (en) | 2017-11-22 | 2017-11-22 | A kind of transfusion catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208114867U (en) |
-
2017
- 2017-11-22 CN CN201721579536.9U patent/CN208114867U/en active Active
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