CN220513142U - Liquid feeding diluting device - Google Patents
Liquid feeding diluting device Download PDFInfo
- Publication number
- CN220513142U CN220513142U CN202320971628.0U CN202320971628U CN220513142U CN 220513142 U CN220513142 U CN 220513142U CN 202320971628 U CN202320971628 U CN 202320971628U CN 220513142 U CN220513142 U CN 220513142U
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- CN
- China
- Prior art keywords
- liquid
- pipe
- tube
- air
- liquid feeding
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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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- 239000007788 liquid Substances 0.000 title claims abstract description 69
- 238000007865 diluting Methods 0.000 title claims abstract description 9
- 238000002347 injection Methods 0.000 claims abstract description 40
- 239000007924 injection Substances 0.000 claims abstract description 40
- 239000012530 fluid Substances 0.000 claims abstract description 3
- 239000012895 dilution Substances 0.000 claims description 12
- 238000010790 dilution Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 abstract description 16
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003085 diluting agent Substances 0.000 description 7
- 239000003814 drug Substances 0.000 description 7
- 210000003437 trachea Anatomy 0.000 description 5
- 241001411320 Eriogonum inflatum Species 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000003113 dilution method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the field of medical equipment, and discloses a liquid adding and diluting device, which comprises a needle cylinder injector, a liquid feeding pipe and an A three-way pipe, wherein the liquid feeding pipe consists of two sections, the two sections of liquid feeding pipes are mutually communicated with the needle cylinder injector through the A three-way pipe, one-way valves are arranged in the middle parts of the two sections of liquid feeding pipes, the flow directions of fluid in the two one-way valves are the same, an injection head is arranged at the end part of the liquid feeding pipe, the injection head comprises an injection seat with a cavity, a needle tube and an air tube, the injection seat is arranged at the end part of the liquid feeding pipe, the needle tube is embedded into the injection seat, the embedded end of the needle tube is positioned in the cavity, the air tube is sleeved on the needle tube, both ends of the air tube are sealed, a gap is arranged between the air tube and the needle tube, two air holes are respectively close to both ends of the air tube. The beneficial effects of the utility model are as follows: the liquid can be quickly sucked out of the liquid bottle by pushing and pulling the piston in the needle cylinder, and the liquid can be diluted in the powder bottle.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a liquid adding and diluting device.
Background
At present, in medical practice, diluting injection powder medicines are usually carried out by adopting a common injector, namely, the injector is used for sucking diluent with corresponding volume, then the diluent is injected into a corresponding powder medicine bottle, the powder medicine bottle is usually sealed at normal pressure, the pressure in the bottle is increased when the diluent is injected into the bottle, the injection resistance is larger, and the injection is more laborious as the capacity of the injector is larger; particularly, when a large amount of powder medicine for injection is prepared, medical staff repeatedly sucks the diluent by using a syringe, and then injects the diluent into powder medicine bottles one by one, which is labor-consuming and time-consuming, and also easily causes pollution in the preparation process.
The Chinese patent (issued publication number: CN 2309836Y: disposable medicine diluter) is composed of a polyethylene transparent plastic hose and a three-way needle made of hard plastic, and an adjusting clamp is sleeved at the middle part of a liquid air duct, so that the method that a nurse usually adopts a large hollow needle to dilute medicine is changed, the defects of easy needle bolt pollution and broken hollow needle nipple in the hollow needle dilution method are furthest changed, the operation is simple and practical, time and labor are saved, but a diluent bag is required to be lifted, so that diluent drops into a powder bottle for dilution, and the liquid drops due to gravity, so that the use time of the dilution process is long, and the working efficiency is reduced.
Disclosure of Invention
The utility model aims to provide a liquid adding and diluting device which overcomes the defects of the prior art.
The aim of the utility model is achieved by the following technical scheme: the utility model provides a liquid feeding diluting device, includes syringe and liquid delivery pipe and A three-way pipe, liquid delivery pipe comprises two sections, two sections liquid delivery pipe with the syringe passes through the A three-way pipe communicates each other, two sections the check valve is all installed at the middle part of liquid delivery pipe, two the fluidic flow direction in the check valve is the same, the injection head is installed to the tip of liquid delivery pipe, the injection head is including having injection seat, needle tubing and the trachea of cavity, the injection seat is installed liquid delivery pipe's tip, the needle tubing embedding is in the injection seat, just the embedded end of needle tubing is located in the cavity, the trachea cover is in on the needle tubing and both ends are all sealed, the trachea with be provided with the clearance between the needle tubing, just seted up two gas pockets on the trachea, two the gas pockets are close to respectively the both ends of trachea.
Preferably, a B-shaped three-way pipe is installed at the end part of the liquid feeding pipe, the injection seat is installed on a second port of the B-shaped three-way pipe, and third ports of the two B-shaped three-way pipes are connected through a liquid return pipe.
Preferably, a three-way valve is further installed on one section of the liquid feeding pipe, and the three-way valve is located behind the one-way valve on the section of the liquid feeding pipe.
Preferably, the air tube is embedded in the injection seat, and the air hole at the embedded end of the air tube extends out of the injection seat.
Preferably, the connecting section of the injection seat and the needle tube is cylindrical and sleeved with a rubber ring, and the air hole at the embedded end of the air tube is opened and closed by sliding the rubber ring.
Compared with the prior art, the utility model has the beneficial effects that:
when the piston in the needle cylinder is pulled, the left one-way valve is closed, the right one-way valve is opened to enable liquid to quickly enter the needle cylinder, then when the piston is pushed, the right one-way valve is closed, the left one-way valve is opened, the liquid quickly enters the powder bottle for dilution, and the through holes balance the air pressure inside and outside the bottle body, so that the liquid is sucked out and injected very smoothly and quickly.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic partial cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the structure of the injector head;
FIG. 4 is an enlarged partial schematic view of FIG. 2A;
FIG. 5 is an enlarged partial schematic view at B in FIG. 4;
in the figure, a 1-syringe injector, a 2-liquid feeding pipe, a 3-A three-way pipe, a 4-one-way valve, a 5-injection seat, a 6-syringe, a 7-air pipe, an 8-air hole, a 9-B three-way pipe, a 10-liquid return pipe, a 11-three-way valve, a 12-rubber ring, a 13-powder bottle and a 14-liquid bottle.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in figures 1-5, the liquid adding and diluting device comprises a needle cylinder injector 1, a liquid feeding pipe 2 and an A three-way pipe 3, wherein the liquid feeding pipe 2 consists of two sections, the two sections of liquid feeding pipes 2 and the needle cylinder injector 1 are mutually communicated through the A three-way pipe 3, one-way valves 4 are arranged in the middle parts of the two sections of liquid feeding pipes 2, the flow directions of fluid in the two one-way valves 4 are the same, an injection head is arranged at the end part of the liquid feeding pipe 2, the injection head comprises an injection seat 5 with a cavity, a needle tube 6 and an air tube 7, the injection seat 5 is arranged at the end part of the liquid feeding pipe 2, the needle tube 6 is embedded in the injection seat 5, the embedded end of the needle tube 6 is positioned in the cavity, the air tube 7 is sleeved on the needle tube 6 and both ends are sealed, a gap is arranged between the air tube 7 and the needle tube 6, and two air holes 8 are formed in the air pipe 7, the two air holes 8 are respectively close to two ends of the air pipe 7, when the air pipe is used, two injection heads are respectively inserted into the powder bottle 13 and the liquid bottle 14, the air holes 8 on the air pipe 7 inserted into the bottle are respectively positioned at the inner side and the outer side of the bottle stopper, so that the air pressure in the bottle body is balanced by the through holes in the use process, when the piston in the needle cylinder is pulled, the left one-way valve 4 is closed, the right one-way valve 4 is opened, when the piston is pushed, the right one-way valve 4 is closed, the left one-way valve 4 is opened, the liquid rapidly enters the powder bottle 13 for dilution, and the air pressure imbalance is avoided, so that the sucking and the injection of the liquid are extremely difficult.
In this embodiment, as shown in fig. 1-5, the end of the liquid feeding tube 2 is provided with a B three-way tube 9, the injection seat 5 is installed on the second port of the B three-way tube 9, the third ports of the two B three-way tubes 9 are connected through a liquid return tube 10, when liquid enters the powder bottle 13 for dilution, the syringe 1 is pulled out from the a three-way tube 3, then air is sucked into the syringe, the syringe is inserted into the a three-way tube, then the air hole 8 on the powder bottle 13 is blocked, then air is pushed into the powder bottle 13, after the air pressure in the powder bottle 13 is increased, the dilution liquid in the bottle is introduced into the return tube, and flows back into the liquid bottle 14, after all the dilution liquid in the powder bottle 13 enters the liquid bottle 14, the syringe on the liquid bottle 14 can be pulled out, and the liquid bottle 14 is fed into a ward for transfusion to a patient, so that the device is simple in structure and convenient to use.
In this embodiment, as shown in fig. 1, a three-way valve 11 is further installed on a section of liquid feeding pipe 2, the three-way valve 11 is located at the rear of the one-way valve 4 on the section where it is located, so that during the dilution operation, liquid flows through the three-way valve 11 and the one-way valve 4 in sequence, after the dilution is completed, the three-way valve 11 is turned on and off, so that the connection between the one-way valve 4 and the liquid bottle 14 is closed, and the connection between the one-way valve 4 and the atmosphere is opened, thereby avoiding the suction of air by pulling out the syringe.
In this embodiment, as shown in fig. 3-5, the air tube 7 is embedded in the injection seat 5, the air hole 8 at the embedded end of the air tube 7 extends out of the injection seat 5, and the bottle stopper is positioned between the two air holes 8 by the limit of the injection seat 5, so that the situation that the needle is inserted into the bottle stopper too deeply, and the two air holes 8 enter the bottle body is avoided.
In this embodiment, as shown in fig. 3, the connection section between the injection seat 5 and the needle tube 6 is cylindrical and sleeved with a rubber ring 12, the air hole 8 at the embedded end of the air tube 7 is opened and closed by sliding the rubber ring 12, and the air hole 8 outside the bottle is blocked by the rubber ring 12, so that the inconvenience of blocking by using fingers is avoided.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a liquid feeding diluting device, includes syringe (1) and send liquid pipe (2) and A three-way pipe (3), send liquid pipe (2) to constitute by two sections, two sections send liquid pipe (2) with syringe (1) are through A three-way pipe (3) intercommunication each other, two sections the check valve (4) are all installed at the middle part of sending liquid pipe (2), two the flow direction of fluid in check valve (4) is the same, the injection head is installed to the tip of sending liquid pipe (2), its characterized in that: the injection head comprises an injection seat (5) with a cavity, a needle tube (6) and an air tube (7), wherein the injection seat (5) is arranged at the end part of the liquid feeding tube (2), the needle tube (6) is embedded into the injection seat (5), the embedded end of the needle tube (6) is positioned in the cavity, the air tube (7) is sleeved on the needle tube (6) and both ends of the air tube are sealed, a gap is formed between the air tube (7) and the needle tube (6), two air holes (8) are formed in the air tube (7), and the two air holes (8) are respectively close to the two ends of the air tube (7).
2. A liquid feeding dilution apparatus according to claim 1, wherein: the end part of the liquid feeding pipe (2) is provided with a B three-way pipe (9), the injection seat (5) is arranged on a second port of the B three-way pipe (9), and a third port of the two B three-way pipes (9) is connected through a liquid return pipe (10).
3. A liquid feeding dilution apparatus according to claim 2, wherein: and a three-way valve (11) is further arranged on one section of the liquid conveying pipe (2), and the three-way valve (11) is positioned behind the one-way valve (4) on the section where the three-way valve is positioned.
4. A liquid feeding dilution apparatus according to any one of claims 1-3, wherein: the air pipe (7) is embedded into the injection seat (5), and the air hole (8) at the embedded end of the air pipe (7) extends out of the injection seat (5).
5. The liquid feeding dilution apparatus as defined in claim 4, wherein: the connecting section of the injection seat (5) and the needle tube (6) is cylindrical and sleeved with a rubber ring (12), and the air hole (8) at the embedded end of the air tube (7) is opened and closed by sliding the rubber ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320971628.0U CN220513142U (en) | 2023-04-26 | 2023-04-26 | Liquid feeding diluting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320971628.0U CN220513142U (en) | 2023-04-26 | 2023-04-26 | Liquid feeding diluting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220513142U true CN220513142U (en) | 2024-02-23 |
Family
ID=89934352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320971628.0U Active CN220513142U (en) | 2023-04-26 | 2023-04-26 | Liquid feeding diluting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220513142U (en) |
-
2023
- 2023-04-26 CN CN202320971628.0U patent/CN220513142U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |