CN213589359U - Infusion device - Google Patents
Infusion device Download PDFInfo
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- CN213589359U CN213589359U CN202022296054.0U CN202022296054U CN213589359U CN 213589359 U CN213589359 U CN 213589359U CN 202022296054 U CN202022296054 U CN 202022296054U CN 213589359 U CN213589359 U CN 213589359U
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- valve leaflets
- flow rate
- infusion device
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Abstract
The utility model provides an infusion device, include: the anti-backflow component, the indwelling needle, the positive pressure joint, the infusion tube, the flow rate controller, the drip cup and the bottle plug puncture component; the backflow prevention assembly comprises a cylinder wall, a first layer of heart valve-like structure and a second layer of heart valve-like structure, wherein the first layer of heart valve-like structure and the second layer of heart valve-like structure respectively comprise a plurality of valve leaflets capable of automatically opening and closing, the tops of the valve leaflets, the cylinder wall and the bottom of the valve leaflets are fixed, and the bottoms of the valve leaflets are folded towards the center; the valve leaflets of the first layer and the second layer are arranged in a staggered mode, and the valve leaflets of the first layer and the valve leaflets of the second layer are respectively closed to form a closed tip. The transfusion device of the utility model effectively prevents the backflow of blood by arranging the two layers of heart valve structures; the transfusion can be more accurately regulated by arranging the flow rate controller; the medical staff can be prevented from being scratched by the steel needle when puncturing the transfusion bottle by arranging the anti-slip pad.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to an infusion set is related to.
Background
A positive pressure joint on the existing transfusion device basically adopts a buckle design to close the buckle after transfusion is finished, so that blood cannot flow back into the positive pressure tube. The malleation that we used at present connects buckle stability can be relatively poor, and easy slippage, and blood can flow back to in the malleation joint, and intraductal blood stays and can form the thrombus and breed the bacterium, and bacterium and residual blood can get into blood vessel or thrombus blockage syringe needle together along with liquid when infusing once more, and serious meeting causes the thrombus to block up the blood vessel. Moreover, the flow rate cannot be accurately controlled without quantitative management in the infusion process, and particularly, the flow rate cannot be accurately controlled for some special patients when the infusion flow rate has strict requirements.
In view of the above, the present invention is particularly proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an infusion set to solve present infusion set and can take place the blood backward flow under the not closed condition of buckle, the unable problem of accurate control velocity of flow moreover.
In order to solve the above technical problem, the present invention provides an infusion device, comprising: the anti-backflow component, the indwelling needle, the positive pressure joint, the infusion tube, the flow rate controller, the drip cup and the bottle plug puncture component; one end of the backflow preventing component is connected with the indwelling needle, and the other end of the backflow preventing component is connected with an outlet of the positive pressure connector; one end of the flow rate controller is connected with the drip cup through the infusion tube, and the other end of the flow rate controller is connected with the positive pressure joint through the infusion tube; the bottle stopper puncture component is connected with the drip cup;
the backflow prevention assembly comprises a cylinder wall, a first layer of heart valve-like structure and a second layer of heart valve-like structure, the first layer of heart valve-like structure and the second layer of heart valve-like structure respectively comprise a plurality of valve leaflets capable of automatically opening and closing, the tops of the valve leaflets, the cylinder wall and the bottom of the valve leaflets are fixed, and the valve leaflets are folded towards the center; the valve leaflets of the first layer and the second layer are arranged in a staggered mode, and the valve leaflets of the first layer and the valve leaflets of the second layer are respectively closed to form a closed tip.
Furthermore, a flow rate display screen and a control panel for adjusting the flow rate are arranged on the flow rate controller.
Further, the bottle stopper puncturing assembly comprises a steel needle, a holding part and a non-slip pad; the non-slip mat is arranged on the holding part.
Furthermore, the non-slip mat is made of rubber materials.
Furthermore, a plurality of anti-skid bulges are arranged on the anti-skid pad.
Furthermore, the cylinder wall is made of elastic materials.
Furthermore, the valve leaf is made of a silica gel material.
Furthermore, the backflow prevention assembly is integrally conical.
Further, the number of leaflets of the second layer is greater than the number of leaflets of the first layer.
Further, the positive pressure joint is Y-shaped or straight.
Compared with the prior art, the invention has the beneficial effects that:
the infusion device of the utility model adopts the anti-reflux principle of the heart valve structure by arranging the two-layer heart valve structure at the outlet of the positive pressure joint, the valve leaf inputs liquid into the blood vessel by utilizing pressure, and after the infusion is finished, no pressure valve leaf can be automatically closed, thereby effectively preventing the reflux of blood; the flow rate controller is arranged between the drip cup and the positive pressure joint, so that the transfusion can be more accurately adjusted; the anti-slip pad is arranged on the holding part of the steel needle, so that medical staff can be prevented from being scratched by the steel needle when the hanging bottle is punctured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an infusion device provided by the present invention;
fig. 2 is a partially enlarged schematic view of a two-layered heart valve-like structure according to the present invention;
fig. 3 is a partially enlarged schematic view of the flow rate controller according to the present invention.
Description of reference numerals:
1-a backflow prevention assembly; 11-a cylinder wall;
12-a first layer heart valve-like structure; 13-a second layer heart valve-like structure;
10-a leaflet; 2-indwelling needle;
3-positive pressure joint; 4-a transfusion tube;
5-a flow rate controller; 51-flow rate display screen;
52-control panel; 6-drip pot;
7-a stopper piercing assembly; 71-steel needle;
72-a grip; 73-non-slip mat.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an infusion device, comprising: the backflow preventing component 1, the indwelling needle 2, the positive pressure joint 3, the infusion tube 4, the flow rate controller 5, the drip cup 6 and the bottle stopper puncture 7 component; wherein, one end of the backflow-preventing component 1 is connected with the indwelling needle 2, the other end is connected with the outlet of the positive pressure joint 3, one end of the flow rate controller 5 is connected with the drip cup 6 through the infusion tube 4, the other end is connected with the positive pressure joint 3 through the infusion tube 4, and the bottle stopper puncturing component 7 is connected with the drip cup 6;
specifically, the backflow prevention assembly 1 comprises a cylinder wall 11, a first layer of heart valve-like structure 12 and a second layer of heart valve-like structure 13, wherein the first layer of heart valve-like structure 12 and the second layer of heart valve-like structure 13 both comprise a plurality of valve leaflets 10 capable of automatically opening and closing, the tops and the cylinder wall 11 of the valve leaflets 10 are fixed, and the bottoms of the valve leaflets 10 are folded towards the center; the leaflets 10 of the first and second layers are staggered 10, respectively, and the leaflets 10 of the first and second layers close to form closed cusps. The whole of the backflow-preventing component 1 is conical, and the pressure can be continuously enhanced through a conical structure, so that the transfusion can be smoothly reserved from a conical opening; the number of leaflets 10 of the second layer is greater than the number of leaflets 10 of the first layer due to the tapering inner diameter of the conical structure. In order to prevent the valve leaflet 10 from being closed incompletely, the excessive clearance can cause blood backflow, so the valve leaflet 10 of the present invention is made of silica gel material, and the cylinder wall 11 is made of elastic material.
As shown in fig. 2, the flow rate controller 5 is provided with a flow rate display screen 51 and a control panel 52 for adjusting the flow rate, and the control panel 52 is used to adjust the required flow rate according to the data displayed by the flow rate display screen 51, so as to control the infusion operation more accurately.
Specifically, the stopper puncturing assembly 7 further includes a steel needle 71, a holding portion 72 and a non-slip pad 73, the non-slip pad 73 is disposed on the holding hand 72, the non-slip pad 73 is disposed to prevent a nurse from being scratched by the steel needle 71 when puncturing the stopper of the transfusion bottle, and preferably, the non-slip pad 73 is further provided with a plurality of non-slip protrusions.
In addition, the positive pressure joint 3 may be a Y-type or a straight type, and a Y-type positive pressure joint is used in this embodiment.
The infusion device of the utility model adopts the anti-reflux principle of the heart valve structure by arranging the two-layer heart valve structure at the outlet of the positive pressure joint, the valve leaf inputs liquid into the blood vessel by utilizing pressure, and after the infusion is finished, no pressure valve leaf can be automatically closed, thereby effectively preventing the reflux of blood; the flow rate controller is arranged between the drip cup and the positive pressure joint, so that the transfusion can be more accurately adjusted; the anti-slip pad is arranged on the holding part of the steel needle, so that medical staff can be prevented from being scratched by the steel needle when the hanging bottle is punctured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An infusion device, comprising: the anti-backflow component, the indwelling needle, the positive pressure joint, the infusion tube, the flow rate controller, the drip cup and the bottle plug puncture component; one end of the backflow preventing component is connected with the indwelling needle, and the other end of the backflow preventing component is connected with an outlet of the positive pressure connector; one end of the flow rate controller is connected with the drip cup through the infusion tube, and the other end of the flow rate controller is connected with the positive pressure joint through the infusion tube; the bottle stopper puncture component is connected with the drip cup;
the backflow prevention assembly comprises a cylinder wall, a first layer of heart valve-like structure and a second layer of heart valve-like structure, the first layer of heart valve-like structure and the second layer of heart valve-like structure respectively comprise a plurality of valve leaflets capable of automatically opening and closing, the tops of the valve leaflets, the cylinder wall and the bottom of the valve leaflets are fixed, and the valve leaflets are folded towards the center; the valve leaflets of the first layer and the second layer are arranged in a staggered mode, and the valve leaflets of the first layer and the valve leaflets of the second layer are respectively closed to form a closed tip.
2. The infusion device as claimed in claim 1, wherein the flow rate controller is provided with a flow rate display screen and a control panel for adjusting the flow rate.
3. The infusion device as claimed in claim 1, wherein said stopper-piercing assembly comprises a steel needle, a handle and a non-slip pad; the non-slip mat is arranged on the holding part.
4. The infusion device as claimed in claim 3, wherein the non-slip pad is made of rubber.
5. The infusion device as claimed in claim 3, wherein the anti-slip pad has a plurality of anti-slip protrusions disposed thereon.
6. The infusion device as claimed in claim 1, wherein the barrel wall is made of an elastomeric material.
7. The infusion device as claimed in claim 1, wherein the leaflet is formed of a silicone material.
8. The infusion device as claimed in claim 1, wherein the anti-reflux assembly is generally conical.
9. The infusion device of claim 8, wherein the number of leaflets of the second layer is greater than the number of leaflets of the first layer.
10. The infusion device as claimed in claim 1, wherein the positive pressure fitting is Y-shaped or straight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022296054.0U CN213589359U (en) | 2020-10-15 | 2020-10-15 | Infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022296054.0U CN213589359U (en) | 2020-10-15 | 2020-10-15 | Infusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213589359U true CN213589359U (en) | 2021-07-02 |
Family
ID=76590886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022296054.0U Active CN213589359U (en) | 2020-10-15 | 2020-10-15 | Infusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213589359U (en) |
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2020
- 2020-10-15 CN CN202022296054.0U patent/CN213589359U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xie Qiufeng Inventor after: Liang Jing Inventor after: Tang Haihong Inventor after: Yang Meimei Inventor after: Tang Ling Inventor after: Pang Yan Inventor before: Xie Qiufeng Inventor before: Liang Jing Inventor before: Tang Haihong Inventor before: Yang Meimei Inventor before: Tang Ling Inventor before: Pang Yan |
|
| CB03 | Change of inventor or designer information |