CN215655215U

CN215655215U - Be used for medicine inspection to use novel pipette

Info

Publication number: CN215655215U
Application number: CN202120406107.1U
Authority: CN
Inventors: 袁璐
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2022-01-28
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to the technical field of pipette moving and dropping tubes, in particular to a novel pipette for drug inspection. The device simple structure, convenient operation is used, inhale the inside negative pressure and the malleation state that is in that the pressure device can make the pressure gasbag relapse, thereby can inhale the air in air cavity and the stock solution body and discharge in pressing the gasbag, can realize that the medicine inhales the stock solution body, the waterproof ventilated membrane of in-process of absorption can play the effect of isolation to the medicine, avoid the medicine to enter into and press down and cause corrosion damage to it in the gasbag, great increase the security of use, the in-process of absorption simultaneously can observe the volume of absorbing the medicine through the scale mark, the medicine accuracy of moving the liquid has been increased.

Description

Be used for medicine inspection to use novel pipette

Technical Field

The utility model relates to the technical field of pipette tips, in particular to a novel pipette tip for medicine inspection.

Background

The pipette is a measuring instrument used for accurately moving a certain volume of solution, along with the development of the society and the improvement of the medical level, people control the amount of the medicine more and more accurately, and the pipette is widely used in the existing medicine inspection as a measuring instrument for measuring the volume of the liquid.

However, most of the existing pipettes adopt an injector to extract the liquid easily, and are used in inconvenient experiments, or adopt a rubber head dropper to move the liquid, and when the rubber head dropper is used for transferring the liquid, the liquid is inconvenient to measure the amount of the liquid absorbed, so that the net earning degree of the experiments is reduced. Accordingly, those skilled in the art have provided a novel pipette for drug testing to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a novel pipette for drug testing, which solves the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel pipette for medicine inspection comprises a liquid storage pipe body, wherein one end of the liquid storage pipe body is communicated with and provided with a liquid suction head, the liquid suction head is connected with the liquid storage pipe body through a fixing device, one end, far away from the liquid suction head, of the liquid storage pipe body is fixedly provided with an L-shaped grab handle, an air cavity communicated with the liquid storage pipe body is arranged in the middle of the L-shaped grab handle, a waterproof breathable film is fixedly arranged inside the air cavity, one end, far away from the liquid storage pipe body, of the air cavity is positioned on the L-shaped grab handle and is provided with a pressure relief pipe, a pressure relief valve is arranged on the pressure relief pipe, a pressure suction device is arranged below one side of the L-shaped grab handle, and one side of the liquid storage pipe body is fixedly provided with a scale mark;

the pressure suction device comprises a first air pipe communicated with the air cavity, a first one-way valve is arranged inside the first air pipe, the other end of the first air pipe penetrates through the L-shaped grab handle and extends to the outside of the air cavity to be communicated with a pressing air bag, a spring is arranged inside the pressing air bag, one end, far away from the first air pipe, of the pressing air bag is communicated with a second air pipe, and a second one-way valve is arranged inside the second air pipe.

As a further aspect of the utility model: the fixing device comprises a threaded pipe fixedly arranged at one end of the liquid storage pipe body, a threaded ring is arranged on the outer side of the threaded pipe, and one end of the lower portion of the threaded ring is fixedly connected with one end of the liquid suction head.

As a further aspect of the utility model: the pressing air bag is far away from a pull plate is fixedly arranged at one end of the first air pipe, fixing rods are fixedly arranged at two ends of the pull plate, and an arc-shaped plate is fixedly arranged on one side below each fixing rod.

As a further aspect of the utility model: a thumb ring is fixedly arranged on one side of the L-shaped grab handle, which is far away from the pressing air bag.

As a further aspect of the utility model: the concave surface of arc is equidistant to be fixed and is equipped with the non-skid protrusions, the non-skid protrusions adopt the component of silica gel material.

Compared with the prior art, the utility model has the beneficial effects that: the device simple structure, convenient operation is used, the suction pressure device can make the inside of pressing the gasbag relapse be in negative pressure and malleation state, thereby can inhale the air in air cavity and the stock solution body and discharge in pressing the gasbag, can realize that the medicine inhales in the stock solution body, the waterproof ventilated membrane of in-process of absorption can play the effect of isolation to the medicine, avoid the medicine to enter into and press down and cause corrosion damage to it in the gasbag, great increase the security of use, the in-process of absorption can observe the volume of absorbing the medicine through the scale mark simultaneously, the medicine moves the liquid accuracy has been increased, absorb the medicine in air cavity and stock solution body when transplanting the position that needs put into, open the intercommunication that can realize air cavity and stock solution body in the external world on the pressure release pipe, realize the outflow of medicine.

Drawings

FIG. 1 is a schematic diagram of a novel pipette for drug testing;

FIG. 2 is a cross-sectional view of a novel pipette for use in drug testing;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a liquid storage pipe body; 2. a liquid suction head; 3. an L-shaped grab handle; 4. an air cavity; 5. a pressure relief pipe; 6. a pressure relief valve; 7. a first check valve; 8. pressing the air bag; 9. a second air pipe; 10. a second one-way valve; 11. a waterproof breathable film; 12. a threaded pipe; 13. a threaded ring; 14. fixing the rod; 15. an arc-shaped plate; 16. a thumb ring; 17. scale lines; 18. a spring.

Detailed Description

Referring to fig. 1-3, in the embodiment of the present invention, a novel pipette for drug testing includes a liquid storage tube body 1, one end of the liquid storage tube body 1 is communicated with a liquid suction head 2, the liquid suction head 2 is connected with the liquid storage tube body 1 through a fixing device, one end of the liquid storage tube body 1, which is away from the liquid suction head 2, is fixedly provided with an L-shaped handle 3, the middle of the L-shaped handle 3 is provided with an air cavity 4 communicated with the liquid storage tube body 1, the inside of the air cavity 4 is fixedly provided with a waterproof breathable film 11, one end of the air cavity 4, which is away from the liquid storage tube body 1, is located on the L-shaped handle 3 and is provided with a pressure relief pipe 5, the pressure relief pipe 5 is provided with a pressure relief valve 6, a pressure suction device is arranged below one side of the L-shaped handle 3, and one side of the liquid storage tube body 1 is fixedly provided with a scale mark 17;

in fig. 1 and 2: the pressure suction device comprises a first air pipe communicated with the air cavity 4, a first one-way valve 7 is arranged inside the first air pipe, the other end of the first air pipe penetrates through the L-shaped grab handle 3 and extends to the outside of the air cavity 4 to be communicated with a pressing air bag 8, a spring 18 is arranged inside the pressing air bag 8, one end, far away from the first air pipe, of the pressing air bag 8 is communicated with a second air pipe 9, and a second one-way valve 10 is arranged inside the second air pipe 9.

In fig. 2 and 3: fixing device is equipped with threaded ring 13 including the fixed screwed pipe 12 of locating 1 one end of stock solution body, the outside of screwed pipe 12, and the below one end of threaded ring 13 and the one end fixed connection of imbibition head 2 can play fixed effect to imbibition head 2, conveniently dismantles change washing to imbibition head 2 simultaneously, has increased the convenience of use.

In FIG. 2: pressing gasbag 8 and keeping away from the fixed arm-tie that is equipped with of first tracheal one end, the both ends of arm-tie are all fixed and are equipped with dead lever 14, and the below one side of dead lever 14 is all fixed and is equipped with arc 15, makes things convenient for staff's forefinger and well finger to pressing of pressing gasbag 8.

In fig. 1 and 2: a thumb ring 16 is fixedly arranged on one side of the L-shaped grab handle 3 away from the pressing air bag 8, so that the thumb can be conveniently inserted, and the holding stability of the palm is improved.

In FIG. 2: the concave surface of the arc-shaped plate 15 is equidistantly fixedly provided with anti-skid protrusions, the anti-skid protrusions are made of silica gel, and friction between fingers and the arc-shaped plate 15 is increased.

The working principle of the utility model is as follows: when the liquid storage tube is used specifically, firstly, the liquid suction head 2 is screwed on the threaded tube 12 at one end of the liquid storage tube body 1 to fix the liquid suction head 2, then a worker inserts a thumb into the thumb ring 16, places the index finger and the middle finger at the concave surface of the arc-shaped plate 15 to hold the L-shaped grab handle 3, and then inserts the liquid suction head into a medicine to be taken, at the moment, the worker repeatedly presses the pressing air bag 8, the second one-way valve 10 is opened in the pressing process, so that air in the pressing air bag 8 is discharged from the second air tube 9, when the pressing air bag 8 is loosened by the worker, the pressing air bag 8 is expanded under the action of the spring 18, at the moment, the first one-way valve 7 in the first air tube is opened, so that the air cavity 4 and the air in the liquid storage tube body 1 are sucked into the pressing air bag 8, and the air cavity 4 and the liquid storage tube body 1 are in a negative pressure state, can realize that the medicine inhales in the stock solution body 1, the in-process waterproof ventilated membrane 11 of absorption can play the effect of isolation to the medicine, avoid the medicine to enter into and press down 8 in the gasbag to cause corrosion damage to it, great increase the security of use, the in-process of absorption can observe the volume of absorbing the medicine through scale mark 17 simultaneously, the accuracy that the medicine moved the liquid has been increased, absorb the medicine in air cavity 4 and stock solution body 1 when transplanting the position that needs were put into, open relief valve 6 on the relief pipe 5 and can realize air cavity 4 and stock solution body 1 in external intercommunication, realize the outflow of medicine, the device simple structure, convenient operation uses, can realize measuring the absorption to moving the liquid simultaneously.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A novel pipette for drug testing comprises a liquid storage tube body (1) and is characterized in that one end of the liquid storage tube body (1) is communicated with a liquid suction head (2), the liquid suction head (2) is connected with the liquid storage tube body (1) through a fixing device, one end, away from the liquid suction head (2), of the liquid storage tube body (1) is fixedly provided with an L-shaped grab handle (3), an air cavity (4) communicated with the liquid storage tube body (1) is arranged in the middle of the L-shaped grab handle (3), a waterproof breathable film (11) is fixedly arranged inside the air cavity (4), one end, away from the liquid storage tube body (1), of the air cavity (4) is located on the L-shaped grab handle (3) and is provided with a pressure relief tube (5), a pressure relief valve (6) is arranged on the pressure relief tube (5), and a pressure suction device is arranged below one side of the L-shaped grab handle (3), scale marks (17) are fixedly arranged on one side of the liquid storage pipe body (1);

the pressure suction device comprises a first air pipe communicated with the air cavity (4), a first one-way valve (7) is arranged inside the first air pipe, the other end of the first air pipe penetrates through the L-shaped grab handle (3) and extends to the outside of the air cavity (4) to be communicated with a pressing air bag (8), a spring (18) is arranged inside the pressing air bag (8), one end, far away from the first air pipe, of the pressing air bag (8) is communicated with a second air pipe (9), and a second one-way valve (10) is arranged inside the second air pipe (9).

2. The pipette for drug testing according to claim 1, wherein the fixing device comprises a threaded pipe (12) fixedly arranged at one end of the liquid storage pipe body (1), a threaded ring (13) is arranged on the outer side of the threaded pipe (12), and the lower end of the threaded ring (13) is fixedly connected with one end of the liquid suction head (2).

3. The pipette as claimed in claim 1, wherein a pulling plate is fixed to the end of the pressing air bag (8) away from the first air tube, fixing rods (14) are fixed to both ends of the pulling plate, and an arc-shaped plate (15) is fixed to one side of the fixing rods (14) below.

4. The pipette as set forth in claim 1, characterized in that a thumb ring (16) is fixedly arranged on the side of the L-shaped grip (3) away from the pressing balloon (8).

5. The pipette as claimed in claim 3, wherein the concave surface of the arc plate (15) is provided with anti-slip protrusions at equal intervals, and the anti-slip protrusions are made of silicone.