CN212166142U

CN212166142U - Liquid suction device

Info

Publication number: CN212166142U
Application number: CN201821352696.4U
Authority: CN
Inventors: 赵胜男; 王静
Original assignee: First Affiliated Hospital Chinese PLA General Hospital
Current assignee: First Affiliated Hospital Chinese PLA General Hospital
Priority date: 2018-08-21
Filing date: 2018-08-21
Publication date: 2020-12-18
Anticipated expiration: 2028-08-21

Abstract

The utility model discloses a liquid suction device, which comprises a fixed cavity component and a pressurizing cavity component, wherein the fixed cavity component is used for fixing an injector, the fixed cavity component comprises a fixed cavity body, a front fixed block with a through hole, an upper cover positioned above the fixed cavity body, a rear fixed block for fixing a needle cylinder pushing body and a needle cylinder fixed block positioned at the bottom of the fixed cavity body, the utility model discloses a liquid suction device can suck liquid at one time, and when in clinical use, the liquid suction device does not need to repeatedly suck liquid and take medicine; the time and the times of the needle head exposed in the air are reduced, the semi-automatic working mode is adopted, and the physical strength of medical personnel is reduced.

Description

Liquid suction device

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to imbibition device.

Background

The syringes include large syringes of 50ml, 100 ml, and also include small syringes of 2 ml, 5ml, 10 ml, or 20 ml. Infusion (Infusion), or large volume injection, refers to a large volume of injection delivered into the body by intravenous drip. At present, clinically, the medicine preparation is needed during infusion treatment, 1/3-1/2 infusion is frequently required to be extracted during the medicine preparation, for example, 250ml of sodium bicarbonate injection is taken, a nurse can use a syringe to take 125ml of medicine, because a large syringe of 50ml or 100 ml is used, the size is large, the control is not easy to be carried out by one hand, and the finger force is high (the plugging and unplugging of a rubber plug are labor-consuming), generally, the nurse uses a small syringe of 2 ml, 5ml, 10 ml or 20 ml to repeatedly take the medicine from the bottle, the operation is complex, the number of times and the time of needle exposure in the air are large, the pollution opportunity is increased, and bacteria are easily infected. Namely, the prior art has the following technical problems: 1. the repeated medicine taking operation of the small syringe is more complicated; 2. the times and time of exposing the small syringe needle to air are much; 3. the large syringe is not easy to be controlled by a single hand and the pushing and pulling of the syringe takes finger force and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, a small-capacity liquid suction device is provided, which is specially used for clinical nurses to use the liquid suction device to perform semi-automatic dispensing, and is time-saving and labor-saving.

The invention purpose of the utility model can be realized by the following technical scheme:

the utility model discloses a liquid suction device, including fixed chamber subassembly and pressurization chamber subassembly, wherein fixed chamber subassembly is used for fixed syringe, and the syringe pushes away the body including imbibition needle, filter, cylinder body, scale mark, cylinder, and what need explain is that the utility model discloses a conventional deformation of syringe all is within inventor's conception. The fixed cavity component comprises a fixed cavity body, a front fixed block with a through hole, an upper cover positioned above the fixed cavity body, a rear fixed block for fixing the syringe push body, and a syringe fixed block positioned at the bottom of the fixed cavity body,

the liquid suction needle and the filter pass through the front fixing block and limit the syringe body in the fixed cavity body, the fixed cavity body is provided with a transparent PVC perspective window, and the syringe can clearly identify the scale mark when placed in the fixed cavity body through the PVC perspective window (of course, the PVC perspective window can be deleted, and the scale mark can be directly observed); the rear fixing block is opened upwards, the needle cylinder pushing body is fixed at the opening of the rear fixing block, and the rear fixing block is fixedly connected with the pressurizing cylinder pushing body; the convex edge of the needle cylinder fixing block is used for limiting the needle cylinder body in the fixing cavity body;

the pressurizing cavity assembly comprises a pressurizing cavity body fixedly connected with the fixed cavity body, a pressurizing cylinder pushing body arranged in the pressurizing cavity body, a spring for driving the pressurizing cylinder pushing body to move, a fixed handle fixedly connected with the pressurizing cavity body and a pressurizing handle connected with the fixed handle in a sliding way, and when external force is applied to the pressurizing handle, the sliding end of the pressurizing handle can slide up and down in the sliding way; the other end of the pressurizing handle is hinged with the pressurizing cylinder pushing body.

Preferably, the pressurizing cavity assembly further comprises an intracavity balloon, the intracavity balloon is positioned in the pressurizing cavity body and is communicated with the balloon through a catheter, and the balloon is provided with a valve.

It is further preferred that the spring is disposed between the fixed handle and the pressing handle. Because the spring setting position has many choices, or replaces the spring with other elastic components, therefore all the above-mentioned improvements belong to the utility model discloses within the design.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the liquid suction device can suck liquid at one time, and does not need to suck liquid repeatedly to take medicine in clinical use.

2. Reducing the time and number of needle exposures to air. 3. The pressurizing cylinder is controlled by a spring and an air bag, and the semi-automatic working mode reduces the finger force of medical staff and needs the holding force.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view showing the structure of a liquid-sucking apparatus according to example 1.

FIG. 2 is a schematic view showing the configuration of the pipetting device according to example 1 after the syringe is placed therein.

Fig. 3 is a schematic view of the syringe of example 1.

Fig. 4 is a top view of the rear fixing block of embodiment 1.

FIG. 5 is a schematic view showing the structure of the liquid-suctioning device according to example 2.

FIG. 6 is a schematic view showing the structure of the liquid-suctioning device according to example 1.

In the figure: a liquid suction needle-1, a filter-2, a front fixing block-3, an upper cover-4, a syringe body-5, a rear fixing block-6, a pressurizing cylinder pushing body-7, a scale mark-8, a syringe fixing block-9, a spring-10, a pressurizing handle-11, a syringe pushing body-12, an intracavity air bag-14, a catheter-15, an air bag-16, a valve-17, a slideway-18, a fixing cavity body-19, a through hole-20, a convex ridge-21, a pressurizing cavity body-22 and a fixing handle-23

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1

Referring to fig. 1, the pipette device of example 1 includes a fixed chamber assembly for fixing a syringe, which is shown in fig. 3 and includes a pipette needle 1, a filter 2, a syringe body 5, a scale mark 8, and a syringe plunger 12, and a pressurizing chamber assembly.

The fixed cavity component comprises a fixed cavity body 19 which is approximately cuboid, a front fixed block 3 with a through hole 20, an upper cover 4 positioned above the fixed cavity body 19, a rear fixed block 6 for fixing the syringe push body 12, a syringe fixed block 9 positioned at the bottom of the fixed cavity body 19,

wherein the liquid suction needle 1 and the filter 2 pass through the front fixing block 3 and limit the syringe body 5 in the fixed cavity body 19, the fixed cavity body 19 is provided with a transparent PVC perspective window (not shown in the figure), and the scale mark 8 can be clearly identified when the injector is placed in the fixed cavity body 19 through the PVC perspective window; referring to fig. 4, which is a plan view of the rear fixing block 6, the rear fixing block 6 is opened upward, the syringe pusher 12 is fixed to a notch of the rear fixing block, and the rear fixing block 6 is fixedly connected to the pressurizing syringe pusher 7. The flange-21 of the syringe fixing block 9 is used to restrain the syringe body 5 in the fixing chamber body 19.

The pressurizing cavity component comprises a pressurizing cavity body 22 fixedly connected with the fixed cavity body, a pressurizing cylinder pushing body 7 arranged in the pressurizing cavity body 22, a spring 10 fixedly connected between the rear wall of the pressurizing cavity body 22 and the pressurizing cylinder pushing body 7, a fixed handle 23 fixedly connected with the pressurizing cavity body 22, and a pressurizing handle 11 connected with the fixed handle 23 in a sliding way 18, wherein the sliding end of the pressurizing handle 11 can slide up and down in the sliding way 18 when external force is applied to the pressurizing handle 11; the other end of the pressurizing handle 11 is hinged with the pressurizing cylinder pushing body 7 (not shown in the figure), the intracavity air bag 14 is positioned in the pressurizing cavity body 22 and is communicated with the air bag 16 through the conduit 15, and the air bag 16 is provided with a valve 17.

In use, as shown in fig. 2, the upper cover 4 is first opened, the syringe is placed in the imbibing device, the syringe body 5 is limited in the fixed cavity body 19, the syringe push body 12 is limited in the rear fixed block 6, and then the upper cover 4 is buckled. When imbibing, the imbibing needle 1 is inserted into an injection medicine bottle, the pressurizing handle 11 is pinched by hand, the pressurizing handle 11 moves downwards at one end of the slideway 18, the other end drives the pressurizing cylinder pushing body 7 and the rear fixing block 6 to further drive the needle cylinder pushing body 12 to move rightwards, the air bag 14 in the cavity and the spring 10 are both compressed, and the injector imbibes; when the suction needs to be finely adjusted, the air bag 16 is pinched by the other hand, air in the air bag 16 is firstly exhausted from the valve 17, then the air bag 16 is released, the valve 17 is closed at the moment, the air bag 16 and the air bag 14 in the cavity are both under negative pressure, and the pressurizing cylinder pushing body 7 can be slightly moved to the right further. During infusion, the liquid suction needle 1 is inserted into the small medicine bottle, the pressurizing handle 11 is released, the spring 10 is unfolded to drive the pressurizing cylinder pushing body 7 to move leftwards, and the injection enters the small medicine bottle; when the infusion needs to be finely adjusted, the valve 17 is closed, the air bag 16 is pinched by hands, air enters the air bag 14 in the cavity, and the pushing body 7 of the pressurizing cylinder can be slightly moved leftwards. Alternatively, the air bag 16 may be operated synchronously or asynchronously with the pressurizing handle 11 for accelerating or retarding infusion or aspiration.

It should be noted that the present embodiment is not intended to be exhaustive or to limit the present invention to the precise form disclosed, and the present invention is not limited to the precise form disclosed.

Example 2

Referring to fig. 5, the difference between embodiment 2 and embodiment 1 is that the conventional clinical requirements can be satisfied without providing components such as the balloon 16 and the intraluminal balloon 14.

Example 3

Referring to fig. 6, embodiment 3 is different from embodiment 1 in that a spring 310 is disposed outside a pressurizing chamber body 322, specifically, between a fixed handle 323 and a pressurizing handle 311. In example 1, as shown in fig. 2, since the spring 10 is provided in the pressurizing chamber body 22 at the time of liquid suction, when the pressurizing cylinder pusher 7 moves rightward to the limit, the pressurizing cylinder pusher 7 cannot move rightward continuously due to the limit of the limit length of the spring 10 itself, and components such as the intra-chamber air bag 14 cannot function in a specific case. Whereas the arrangement of embodiment 3 overcomes the above-mentioned drawback.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A liquid suction device comprises a fixed cavity component and a pressurizing cavity component, wherein the fixed cavity component is used for fixing an injector, the injector comprises a liquid suction needle (1), a filter (2), a syringe body (5), a scale mark (8) and a syringe push body (12), and is characterized in that,

the fixed cavity component comprises a fixed cavity body (19), a front fixed block (3) with a through hole (20), an upper cover (4) positioned above the fixed cavity body (19), a rear fixed block (6) for fixing the syringe push body (12), and a syringe fixed block (9) positioned at the bottom of the fixed cavity body (19),

the liquid suction needle (1) and the filter (2) pass through the front fixing block (3) and limit the syringe body (5) in the fixed cavity body (19), a transparent PVC perspective window is arranged on the fixed cavity body (19), and the syringe can clearly identify the scale mark (8) when placed in the fixed cavity body (19) through the PVC perspective window; the rear fixing block (6) is opened upwards, the needle cylinder pushing body (12) is fixed at the opening of the rear fixing block, and the rear fixing block (6) is fixedly connected with the pressurizing cylinder pushing body (7); the convex edge (21) of the needle cylinder fixing block (9) is used for limiting the needle cylinder body (5) in the fixing cavity body (19);

the pressurizing cavity component comprises a pressurizing cavity body (22) fixedly connected with the fixed cavity body (19), a pressurizing cylinder pushing body (7) arranged in the pressurizing cavity body (22), a spring (10) driving the pressurizing cylinder pushing body (7) to move, a fixed handle (23) fixedly connected with the pressurizing cavity body (22), and a pressurizing handle (11) in sliding connection with the fixed handle (23) through a sliding way (18), and when external force is applied to the pressurizing handle (11), the sliding end of the pressurizing cavity component can slide up and down in the sliding way (18); the other end of the pressurizing handle (11) is hinged with the pressurizing cylinder pushing body (7).

2. The wicking apparatus of claim 1,

the pressurization cavity assembly further comprises an intracavity air bag (14), the intracavity air bag (14) is positioned in the pressurization cavity body (22) and is communicated with the air bag (16) through a catheter (15), and the air bag (16) is provided with a valve (17).

3. The wicking apparatus of claim 1,

the spring (10) is arranged between the fixed handle (23) and the pressing handle (11).