CN214260011U

CN214260011U - Aseptic airtight accuse volume gets liquid device

Info

Publication number: CN214260011U
Application number: CN202022874655.5U
Authority: CN
Inventors: 张宏兵; 苏宝艳; 王春娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-09-24
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses an aseptic airtight volume control liquid taking device, which comprises an elastic balloon and a liquid taking pipe, wherein the elastic balloon is used for absorbing liquid, the liquid inlet of the elastic balloon is connected with a liquid medicine bottle through a first catheter, the suction inlet and the discharge outlet of the elastic balloon are respectively provided with a first check valve and a second check valve which have the same structure, the discharge outlet of the elastic balloon is connected with a liquid storage cavity through a second catheter, and the liquid storage cavity is connected with the liquid taking pipe; the liquid storage cavity comprises a tube buffer area and a columnar buffer area. The device of the utility model can control the liquid taking amount of the liquid according to the different liquid amounts, which is convenient for operation and not easy to cause waste; compared with the traditional liquid taking mode, the liquid taking device is time-saving and labor-saving, convenient and fast, and reduces the frequency of transfer.

Description

Aseptic airtight accuse volume gets liquid device

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a liquid device is got to aseptic airtight accuse volume.

Background

Liquid articles such as alcohol, iodophor, saline, hydrogen peroxide and the like are frequently used in dressing change and nursing operations of clinicians. The traditional liquid taking mode at present: when in use, the bottle is opened from the whole bottle, poured out as required, and covered with a bottle cap until the bottle is used up within a specified time. However, the existing liquid medicine taking method has the following problems: 1. the bottle cap needs to be opened once to expose the liquid and expose the bottle cap each time, and the whole bottle of liquid needs to be operated for many times by different people, and the operation is often carried out until the whole bottle of liquid is used up, so that the liquid is easily polluted; 2. when the liquid is taken and poured out, the required liquid amount is different due to different clinical treatment operations, so that the liquid amount is difficult to control by a liquid pouring and taking method, the liquid is often poured more, waste is caused, and the control is difficult particularly when less liquid amount is required; 3. and the traditional liquid taking mode is not time-saving and convenient, and is particularly suitable for the high liquid taking frequency.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects, an object of the present invention is to provide a liquid-extracting device with sterile and airtight control.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a sterile closed volume-control liquid taking device comprises an elastic balloon and a liquid taking pipe, wherein the elastic balloon is used for sucking liquid, a liquid inlet of the elastic balloon is connected with a liquid medicine bottle through a first catheter, a suction inlet and a discharge outlet of the elastic balloon are respectively provided with a first one-way valve and a second one-way valve which are identical in structure, the discharge outlet of the elastic balloon is connected with a liquid storage cavity through a second catheter, and the liquid storage cavity is connected with the liquid taking pipe; the liquid storage cavity comprises a tube buffer area and a columnar buffer area.

One end of the tube body buffer area is connected with the liquid taking tube, and the other end of the tube body buffer area is connected with the columnar buffer area; the transition region between the tube buffer area and the columnar buffer area is provided with a maximum range where the liquid taking tube is accurate.

And the outer walls of the tube buffer area and the columnar buffer area are provided with scale marks.

The columnar buffer area is a silica gel columnar buffer area.

The second check valve comprises a valve seat connected with the inner wall of the elastic balloon and a rubber microsphere matched with a central hole of the valve seat, the rubber microsphere is connected with a micro spring, the other end of the micro spring is connected with a fixed support, the fixed support is of a cross hollow structure and is radially arranged on the inner wall of the end part of the elastic balloon.

And a liquid outlet of the tube buffer area is provided with a control switch.

An aseptic bin is arranged between the liquid storage cavity and the liquid taking pipe, and filter cotton is arranged in the aseptic bin.

The first catheter is an infusion apparatus.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a sterile closed quantity-control liquid taking device, which is characterized in that in the whole liquid taking operation process from a liquid medicine bottle to a liquid outlet of a liquid taking tube, liquid is in a closed environment in the liquid taking device and is isolated from the outside, thereby avoiding the pollution probability of the liquid and ensuring the sterile operation requirement of the liquid taking; the elastic balloon and the one-way valve are arranged, so that one-way circulation of liquid is guaranteed, liquid backflow is avoided, when the air pressure in the elastic balloon is reduced to a preset value, or a flow rate regulator of an infusion apparatus is directly closed, the second one-way valve is closed, the liquid is prevented from continuously flowing into the columnar buffer area, and the precision control of liquid taking is guaranteed; by arranging the body buffer area and the columnar buffer area in the liquid storage cavity, the liquid taking amount of the liquid can be well controlled according to different clinical treatment operations and different required liquid amounts, so that the operation is convenient and waste is not easily caused; compared with the traditional liquid taking mode, the liquid taking device is time-saving and labor-saving, is convenient and quick, and reduces the frequency of transfer, thereby improving the clinical work efficiency.

Drawings

FIG. 1 is a schematic view of the structure of the device of the present invention;

FIG. 2 is a schematic structural diagram of the device of the present invention;

FIG. 3 is a schematic diagram of a portion of the structure at A in FIG. 1;

fig. 4 is a schematic view of a partial structure at a in fig. 1.

In the figure, 1 — first check valve; 2-a second one-way valve; 3-an elastic balloon; 4, a liquid storage cavity; 5, controlling a switch; 6, a liquid taking pipe; 7-liquid medicine bottle; 8-a first conduit; 9 — a second conduit; 10-sterile storehouse; 2-1-valve seat; 2-rubber microspheres; 2-3-a miniature spring; 2-4-fixed support; 4-1 tube buffer area; 4-2-columnar buffer region; 4-3-the precise maximum range of the liquid-taking tube; 10-1-filter cotton.

Detailed Description

The present invention will be described in detail with reference to the drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Embodiment 1, as shown in fig. 1 and fig. 3, a sterile closed volume-controlling liquid-taking device includes an elastic balloon 3 for sucking liquid from an alcohol bottle, an iodophor bottle, a saline bottle, and a hydrogen peroxide bottle, where the elastic balloon 3 is a rubber balloon or a silica gel balloon, and a liquid-taking tube 6, a liquid inlet of the elastic balloon 3 is connected to a liquid medicine bottle 7 (the alcohol bottle, the iodophor bottle, the saline bottle, or the hydrogen peroxide bottle) through a first conduit 8, a suction port and a discharge port of the elastic balloon 3 are respectively provided with a first check valve 1 and a second check valve 2 having the same structure, a discharge port of the elastic balloon 3 is connected to a liquid-storing cavity 4 through a second conduit 9, and the liquid-storing cavity 4 is connected to the liquid-taking tube 6. Preferably, the first catheter 8 is an infusion set. The utility model discloses in, from the whole liquid operation in-process of getting of liquid outlet of liquid medicine bottle 7 to liquid taking pipe 6, liquid is in inclosed environment in getting the liquid device, keeps apart with the external world to avoid the pollution of liquid, guaranteed the aseptic technique requirement of getting liquid.

In the utility model, the liquid storage cavity 4 comprises a tube buffer area 4-1 and a column buffer area 4-2, the outer wall of the tube buffer area 4-1 is provided with scale marks, the transition section between the tube buffer area 4-1 and the column buffer area 4-2 is provided with a maximum range position 4-3 of the liquid taking tube, one end of the tube buffer area 4-1 is connected with the liquid taking tube 6, and the other end is connected with the column buffer area 4-2; preferably, the columnar buffer area 4-2 is an extrudable soft columnar buffer area 4-2, and the columnar buffer area 4-2 is an exemplary silica gel columnar buffer area 4-2; when the volume of accurate solution needs to be measured, the measuring range can not be crossed, but if the volume does not need to be accurately sucked or a large amount of liquid is needed, the volume of the liquid to be sucked can be increased by utilizing the column buffer zone 4-2, the liquid is stored in the column buffer zone 4-2 in advance for later use, and meanwhile, the dosage of the needed liquid can be accurately measured through the scale value on the outer wall of the column buffer zone 4-2. When in use, the columnar buffer area 4-2 is squeezed, the one-way valve 2 of the suction inlet of the elastic saccule 3 is closed, and the liquid flows through the tube buffer area 4-1 and is discharged from the liquid taking tube 6. According to different clinical treatment operations, the required liquid amount is different, the liquid taking amount of the liquid can be well controlled, and the waste is not easily caused by convenient operation. Compared with the traditional liquid taking mode, the liquid taking device is time-saving and labor-saving, is convenient and quick, and reduces the frequency of transfer, thereby improving the clinical work efficiency.

Further, as shown in fig. 3 and 4, the second check valve 2 includes a valve seat 2-1 connected to an inner wall of the elastic balloon 3 and a rubber microsphere 2-2 matched with a central hole of the valve seat 2-1, the rubber microsphere 2-2 is connected to a micro spring 2-3, the other end of the micro spring 2-3 is connected to a fixing support 2-4, and the fixing support 2-4 is in a cross-shaped hollow structure and is radially mounted on inner walls of two ends of the elastic balloon 3. In the utility model, the one-way circulation of the liquid is ensured by the one-way valve, and the liquid backflow is avoided; when the air pressure in the elastic saccule 3 is reduced to a preset value, or the flow rate regulator of the infusion apparatus (the first catheter 8) is directly closed, the second one-way valve 2 is closed, liquid is prevented from continuously flowing into the columnar buffer area 4-2, and the precision control of liquid taking is ensured.

Preferably, a control switch 5 is arranged at the liquid outlet of the tube buffer area 4-1 and is used for controlling the standby liquid medicine measured in the tube buffer area 4-1 or the columnar buffer area 4-2 not to leak, so that the liquid taking precision is ensured.

Embodiment 2, as shown in fig. 2, based on the above embodiment, in the present invention, a sterile chamber 10 is disposed between the liquid storage cavity 4 and the liquid taking tube 6; a filter cotton 10-1 is arranged in the sterile bin 10, and the filter cotton 10-1 is sterile filter cotton; the liquid outlet end of the liquid taking pipe 6 is of a triangular structure, and a liquid outlet is formed in the top end of the triangle; the inner side of the inner wall of the liquid taking pipe 6 is provided with a nano layer. The filter cotton 10-1 further prevents liquid splashing caused by overlarge liquid pressure, and the filter cotton 10-1 prevents bacteria or pollutants from entering the liquid storage cavity 4 from the port of the liquid taking pipe 6; meanwhile, bacteria or pollutants are prevented from entering the liquid medicine bottle through the one-way valve 2 at the port of the elastic balloon 3.

The utility model discloses a theory of operation: the liquid medicine bottle 7 (an alcohol bottle, an iodophor bottle, a saline bottle or a hydrogen peroxide bottle) is hung upside down, a bottle stopper puncture outfit of an infusion apparatus (a first catheter 1) is connected with the liquid medicine bottle 7, the elastic balloon 3 is squeezed, the first one-way valve 1 is closed, the second one-way valve 2 is opened, air in the elastic balloon 3 is emptied, liquid enters the elastic balloon 3, the elastic balloon 3 is squeezed again according to the demand of dosage, and the liquid enters the columnar buffer zone 42 or the tube body buffer zone 41 of the liquid storage cavity 4 for the doctor to perform operation or nurse for standby; the control switch 5 is turned on to perform a liquid taking or pipetting operation on the liquid medicine in the liquid medicine bottle 7 through the liquid taking tube 6.

It should be apparent to those skilled in the art that the above embodiments are only preferred embodiments of the present invention, and therefore, the modifications and changes that can be made by those skilled in the art to some parts of the present invention still embody the principles of the present invention, and the objects of the present invention are achieved, all falling within the scope of the present invention.

Claims

1. The sterile closed volume-control liquid taking device is characterized by comprising an elastic balloon (3) and a liquid taking tube (6), wherein the elastic balloon (3) is used for sucking liquid, a liquid inlet of the elastic balloon (3) is connected with a liquid medicine bottle (7) through a first catheter (8), a suction inlet and a discharge outlet of the elastic balloon (3) are respectively provided with a first one-way valve (1) and a second one-way valve (2) which are identical in structure, the discharge outlet of the elastic balloon (3) is connected with a liquid storage cavity (4) through a second catheter (9), and the liquid storage cavity (4) is connected with the liquid taking tube (6); the liquid storage cavity (4) comprises a tube buffer area (4-1) and a columnar buffer area (4-2).

2. The sterile closed volume-controlling liquid-taking device according to claim 1, wherein one end of the tube buffer area (4-1) is connected with the liquid-taking tube (6), and the other end is connected with the column buffer area (4-2); the transition region between the tube body buffer region (4-1) and the column buffer region (4-2) is provided with a maximum range (4-3) for the liquid taking tube.

3. The aseptic closed volume-controlling liquid-taking device according to claim 1, wherein the outer walls of the tube buffer area (4-1) and the column buffer area (4-2) are provided with scale marks.

4. The aseptic closed volume-controlling liquid-extracting device according to claim 1, wherein said columnar buffer zone (4-2) is a silica gel columnar buffer zone.

5. The sterile closed quantity-control liquid taking device according to claim 1, wherein the second one-way valve (2) comprises a valve seat (2-1) connected with the inner wall of the elastic balloon (3) and a rubber microsphere (2-2) matched with the central hole of the valve seat (2-1), a micro spring (2-3) is connected to the rubber microsphere (2-2), the other end of the micro spring (2-3) is connected with a fixed support (2-4), and the fixed support (2-4) is in a cross hollow structure and is radially arranged on the inner wall of the end part of the elastic balloon (3).

6. An aseptic closed volume control tapping device according to claim 1, characterized in that the tapping port of said tube buffer (4-1) is provided with a control switch (5).

7. The aseptic closed quantity-control liquid taking device according to claim 1 or 6, wherein a sterile bin (10) is arranged between the liquid storage cavity (4) and the liquid taking tube (6), and filter cotton (10-1) is arranged in the sterile bin (10).

8. The aseptic closed volume-controlling tapping device according to claim 1, wherein said first conduit (8) is an infusion set.