CN216091689U

CN216091689U - Disposable precision filtering infusion apparatus

Info

Publication number: CN216091689U
Application number: CN202121118431.XU
Authority: CN
Inventors: 廖先强; 何冰冰
Original assignee: Hubei Chutian Medical Devices Co ltd
Current assignee: Hubei Chutian Medical Devices Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-03-22
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a disposable precise filtering infusion set, which belongs to the technical field of medical treatment and comprises a liquid mixing hopper, wherein the upper surface of the inner wall of the liquid mixing hopper is clamped with the bottom end of a first conduit, the top end of the first conduit is communicated with one end of a puncture head, and the lower surface of the inner wall of the liquid mixing hopper is clamped with a connector. This disposable secondary filter transfusion system, through setting up the floater, filter and second rubber buffer, the floater removes downwards after losing buoyancy immediately, keep it in encapsulated situation with the laminating in-process of tapered groove inner wall, simultaneously at the pressure of pressing the in-process suddenly increase of mixing the liquid fill, make its liquid medicine downflow cause floater pressurized to move downwards in step, can prevent to appear pressing hard when mixing the liquid fill, the speed of flow accelerates in the twinkling of an eye, prevent that the air from flowing downwards when pressing, and cooperate the liquid medicine to end self-sealing's mode, make it can keep fine use when using to experience, this simple structure is convenient, economic cost is low.

Description

Disposable precision filtering infusion apparatus

Technical Field

The utility model belongs to the technical field of medical treatment, and particularly relates to a disposable precise filtering infusion set.

Background

Is a common medical consumable, and establishes a channel between a vein and liquid medicine after aseptic treatment for intravenous infusion. Generally, the infusion apparatus is composed of a vein needle or an injection needle, a needle head protective cap, an infusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle plug puncture outfit, an air filter and the like which are connected, under the action of atmospheric pressure, liquid in the bottle flows into a drip hopper along the thinner infusion hose, when the water column pressure of the drip hopper is greater than the venous pressure, the liquid in the bottle flows into veins along the hose, medical staff check the disinfection validity period, package existence of air leakage and other abnormalities of the disposable infusion apparatus before using the infusion apparatus, the infusion apparatus is taken out, a bottle insertion needle part is inserted into the infusion bottle, such as an infusion bag, an air inlet device does not need to be opened unless the infusion apparatus is an air inlet pipe and the bottle insertion needle integrated infusion apparatus, namely the air inlet needle is inserted or an air inlet hole is opened, the infusion bottle is hung on an infusion rod, the infusion bottle is exhausted until the liquid medicine flows to the lower end of the infusion tube, the regulator is closed, the vein needle is inserted into the disinfected veins, and after the infusion apparatus is fixed, along with the current development, in recent years, disposable precise filtration infusion sets are used by more and more medical units, the filter medium of a precise filter is a nuclear pore membrane, the pore size distribution of the filter medium is uniform, particles can be effectively prevented from entering human bodies, however, people cannot get rid of the problem that people need to pay attention to the infusion time in the traditional infusion, and the automatic sealing state after the infusion is finished cannot be well kept, so that the air transmission is prevented.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a disposable precise filtering infusion set, which solves the problems that people cannot get rid of the problem that the conventional infusion needs to pay attention to the infusion time all the time when the existing precise filtering infusion set is used, and the automatic sealing state after the infusion is finished cannot be well kept, so that the air transmission is prevented.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a disposable precise filtering infusion apparatus comprises a liquid mixing hopper, wherein the upper surface of the inner wall of the liquid mixing hopper is clamped with the bottom end of a first conduit, the top end of the first conduit is communicated with one end of a puncture head, the lower surface of the inner wall of the liquid mixing hopper is clamped with a connector, the surface of the connector is clamped with the inner wall of a chuck, the upper surface of the chuck is provided with a rectangular groove, the lower surface of the inner wall of the rectangular groove is provided with a tapered groove, the inner wall of the tapered groove is clamped with a second conduit, the other end of the second conduit is communicated with a liquid inlet of a filter, a liquid outlet of the filter is communicated with one end of a third conduit, the other end of the third conduit is communicated with the left end of a three-way pipe, the bottom end of the three-way pipe is communicated with the top end of a fourth conduit, the bottom end of the fourth conduit is communicated with a male head of a butt joint, and a female head of the butt joint is communicated with a needle seat through a thin pipe, the inner wall of the needle seat is fixedly connected with a needle head, the surface of the second catheter is sleeved with a throttle valve, and the inner wall of the rectangular groove is provided with a coupling floating ball.

As a further scheme of the utility model: the surface of puncture head and the surface of infusion head all cup jointed the sheath, the right flank of puncture head is provided with one-way constant pressure head.

As a further scheme of the utility model: the butt joint device is characterized in that the surface of the female head of the butt joint device and the surface of the needle seat are both provided with pinching lugs, the upper surface of the needle seat is provided with a first rubber plug, and the surface of the liquid mixing hopper is sleeved with a second rubber plug.

As a further scheme of the utility model: the surface of the thin tube below the butt joint device female head is provided with a clamp, and the top end of the three-way pipe is provided with a sealing plug.

As a further scheme of the utility model: the floating ball is made of hollow rubber, and the filter is a nuclear pore membrane.

(III) advantageous effects

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

1. the disposable precise filtering infusion apparatus is provided with a floating ball, a clamping head, a liquid mixing hopper, a first catheter, a puncture head, a needle seat, a needle head, a filter and a second rubber plug, when in use, the puncture head is punctured into the medicine bottle, then the puncture head enters the liquid mixing hopper along with liquid medicine, the throttle valve can be closed until the liquid medicine drips out through the needle head, then the throttle valve can be opened after the needle head is punctured into a vein, then the liquid medicine enters the liquid mixing hopper through the puncture head in the infusion process, then the floating ball in the rectangular groove floats upwards along with the liquid medicine when the liquid medicine enters the rectangular groove in the clamping head, so that the liquid medicine flows after entering the conical groove, when the liquid medicine is finished, the floating ball immediately loses buoyancy and then moves downwards to be kept in a sealing state in the process of being attached to the inner wall of the conical groove, and simultaneously the pressure is suddenly increased in the process of pressing the liquid mixing hopper, make its liquid medicine downflow cause the floater pressurized to move downwards in step, can prevent to appear pressing hard when mixing the liquid fill, the speed of flow accelerates in the twinkling of an eye, prevents that the air from flowing downwards when pressing, and cooperates the liquid medicine to end self-sealing's mode, makes it can keep fine use when using to experience, and this simple structure is convenient, and economic cost is low.

2. This disposable secondary filter transfusion system, through setting up first rubber buffer, the second rubber buffer, the interface, the syringe needle, three-way pipe and liquid mixing fill, when using, along with the infusion in-process need add the medicine, in-process when the bit is still continuing, can insert through the second rubber buffer with the medicine cylinder, until keep the medicine injection enter into the mixed fill inside can, simultaneously when the bit finishes, insert first rubber buffer through directly with the cylinder, directly push the needle file with the medicine immediately can, this kind of mode can conveniently not prick the needle and directly add the medicine, and can carry out the selectivity of different positions respectively and add the medicine around the infusion, it is more convenient to use.

3. This disposable secondary filter transfusion system through setting up filter and three-way pipe, when using, the filter adopts the nuclear track membrane, makes it can keep good filter effect, cooperates the three-way pipe simultaneously and can conveniently external many bottles of liquid medicine infuse, realizes the effect of sharing with the pinhole.

Drawings

FIG. 1 is a schematic cross-sectional view of the front view of the present invention;

FIG. 2 is a front view of a cross-sectional structure of the chuck of the present invention;

FIG. 3 is a schematic sectional view of the needle holder of the present invention;

FIG. 4 is a schematic perspective view of the present invention;

in the figure: the device comprises a liquid mixing hopper 1, a first conduit 2, a puncture head 3, a unidirectional constant pressure head 4, a needle seat 5, a connector 6, a chuck 7, a rectangular groove 8, a conical groove 9, a floating ball 10, a second conduit 11, a throttle valve 12, a connector 13, a filter 14, a third conduit 15, a three-way pipe 16, a fourth conduit 17, a butt joint device 18, a needle head 19, a first rubber plug 20 and a second rubber plug 21.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: a disposable precise filtering infusion apparatus comprises a liquid mixing hopper 1, wherein the upper surface of the inner wall of the liquid mixing hopper 1 is clamped with the bottom end of a first conduit 2, the top end of the first conduit 2 is communicated with one end of a puncture head 3, the lower surface of the inner wall of the liquid mixing hopper 1 is clamped with a connector 6, the surface of the connector 6 is clamped with the inner wall of a chuck 7, the upper surface of the chuck 7 is provided with a rectangular groove 8, the lower surface of the inner wall of the rectangular groove 8 is provided with a conical groove 9, the inner wall of the conical groove 9 is clamped with a second conduit 11, the other end of the second conduit 11 is communicated with a liquid inlet of a filter 14, a liquid outlet of the filter 14 is communicated with one end of a third conduit 15, the other end of the third conduit 15 is communicated with the left end of a three-way pipe 16, the bottom end of the three-way pipe 16 is communicated with the top end of a fourth conduit 17, the bottom end of the fourth conduit 17 is communicated with a male head of a butt-joint device 18, a female head of the butt-joint device 18 is communicated with a needle base 5 through a thin pipe 13, the inner wall of the needle seat 5 is fixedly connected with a needle 19, the surface of the second conduit 11 is sleeved with a throttle valve 12, and the inner wall of the rectangular groove 8 is provided with a coupling floating ball 10.

Specifically, as shown in fig. 1 and 2, the surface of the puncture head 3 and the surface of the infusion head are respectively sleeved with a sheath, the right side surface of the puncture head 3 is provided with a one-way constant pressure head 4, the surface of the female head of the butt joint device 18 and the surface of the needle seat 5 are respectively provided with a pinching ear, the upper surface of the needle seat 5 is provided with a first rubber plug 20, the surface of the liquid mixing bucket 1 is sleeved with a second rubber plug 21, the surface of the tubule below the female head of the butt joint device 18 is provided with a clamp, the top end of the three-way pipe 16 is provided with a sealing plug, by arranging the sheath, the sheath can play a good protection effect and a protection effect, by arranging the pinching ears, the pinching ears can be conveniently gripped by a hand when in use, the use is more convenient, by arranging the first rubber plug 20, after the first rubber plug 20 and the second rubber plug 21 are punctured by the external needle 19, a good blocking effect can be kept after the needle 19 is pulled out, the punctured holes are prevented from being leaked, and the sealing plug on the surface of the three-way pipe 16 can keep a good sealing effect when the three-way pipe 16 is not used.

Specifically, as shown in fig. 4, the float 10 is made of hollow rubber, the filter 14 is made of nuclear pore membrane, the float 10 is made of hollow rubber, so that the float can maintain sufficient buoyancy in the using process and can be kept within a proper limit under the influence of water flow, and the filter 14 is arranged and the filter 14 is made of nuclear pore membrane, so that impurities can be kept to be filtered to a certain extent.

The working principle of the utility model is as follows:

s1, penetrating the puncture head 3 into the medicine bottle, immediately entering the liquid mixing hopper 1 along with the medicine liquid until the medicine liquid drips out through the needle 19, closing the throttle valve 12, immediately keeping the needle 19 to penetrate into the vein, opening the throttle valve 12, and immediately entering the liquid mixing hopper 1 through the puncture head 3 in the infusion process;

s2, when the liquid medicine enters the rectangular groove 8 in the chuck 7, the floating ball 10 in the rectangular groove 8 floats upwards, so that the liquid medicine flows after entering the conical groove 9, when the liquid medicine is finished, the floating ball 10 loses buoyancy and then moves downwards, the floating ball is kept in a sealed state in the process of being attached to the inner wall of the conical groove 9, meanwhile, the pressure is suddenly increased in the process of pressing the liquid mixing bucket 1, so that the liquid medicine flows downwards to cause the floating ball 10 to move downwards synchronously under pressure, the situation that the liquid mixing bucket 1 is pressed forcibly can be prevented, the flowing speed is accelerated instantly, the situation that air flows downwards when being pressed is prevented, and when the medicine needs to be added in the infusion process;

s3, when the drip is still in the process of continuing, the medicine needle cylinder can be inserted through the second rubber plug 21 until the medicine is injected into the mixing hopper, and simultaneously, when the drip is finished, the needle cylinder is directly inserted into the first rubber plug 20, and the medicine is directly pushed into the needle seat 5, so that the medicine can be directly added without inserting the needle.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a disposable secondary filter transfusion system, includes and mixes liquid fill (1), its characterized in that: the upper surface of the inner wall of the liquid mixing hopper (1) is connected with the bottom end of the first conduit (2) in a clamping manner, the top end of the first conduit (2) is communicated with one end of the puncture head (3), the lower surface of the inner wall of the liquid mixing hopper (1) is connected with the connector (6), the surface of the connector (6) is connected with the inner wall of the chuck (7) in a clamping manner, the upper surface of the chuck (7) is provided with a rectangular groove (8), the lower surface of the inner wall of the rectangular groove (8) is provided with a tapered groove (9), the inner wall of the tapered groove (9) is connected with a second conduit (11) in a clamping manner, the other end of the second conduit (11) is communicated with a liquid inlet of a filter (14), a liquid outlet of the filter (14) is communicated with one end of a third conduit (15), the other end of the third conduit (15) is communicated with the left end of a three-way pipe (16), and the bottom end of the three-way pipe (16) is communicated with the top end of a fourth conduit (17), the bottom of fourth pipe (17) is linked together with the public head of butt joint ware (18), the female head of butt joint ware (18) is linked together through tubule through interface (13) and needle file (5), the inner wall fixedly connected with syringe needle (19) of needle file (5), choke valve (12) have been cup jointed on the surface of second pipe (11), the inner wall of rectangular channel (8) is provided with even floater (10).

2. A disposable precision filtration infusion set according to claim 1, wherein: the surface of puncture head (3) and the surface of infusion head all cup jointed the sheath, the right flank of puncture head (3) is provided with one-way constant pressure head (4).

3. A disposable precision filtration infusion set according to claim 1, wherein: female first surface of butt joint ware (18) all is provided with the surface of needle file (5) and holds the ear with the fingers, the upper surface of needle file (5) is provided with first rubber buffer (20), second rubber buffer (21) have been cup jointed on the surface of mixing bucket (1).

4. A disposable precision filtration infusion set according to claim 1, wherein: the surface of a thin tube below the female head of the butt joint device (18) is provided with a clamp, and the top end of the three-way pipe (16) is provided with a sealing plug.

5. A disposable precision filtration infusion set according to claim 1, wherein: the floating ball (10) is made of hollow rubber, and the filter (14) is a nuclear pore membrane.