CN214970261U

CN214970261U - Portable anti-tumor drug infusion pump assembly

Info

Publication number: CN214970261U
Application number: CN202121108945.7U
Authority: CN
Inventors: 李淑民
Original assignee: First Affiliated Hospital of Guangxi Medical University
Current assignee: First Affiliated Hospital of Guangxi Medical University
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-03
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a portable antitumor drug infusion pump package belongs to medical instrument technical field. Including the liquid reserve bag, the both ends of liquid reserve bag are connected with input tube and output tube respectively, the one end that the liquid reserve bag was kept away from to first input tube is equipped with the injection mouth, injection mouth department is equipped with the valve, the injection mouth outside cover is equipped with the cap of annotating medicine, the one end that the liquid reserve bag was kept away from to the output tube is equipped with the screw socket, the screw socket outside cover is equipped with the tail-hood. The utility model discloses conveniently carry, convenient to use.

Description

Portable anti-tumor drug infusion pump assembly

Technical Field

The utility model belongs to the technical field of medical instrument, especially, portable antitumor drug infusion pump package spare.

Background

The intravenous infusion of antitumor drugs is one of the important means for tumor treatment, and some chemotherapeutic drugs and targeted drugs in the antitumor drugs, such as fluorouracil, enidol (recombinant human endostatin injection), and the like, need to be continuously infused and administered for a long time at a low dose, so that the blood concentration of the drugs in the body is constantly maintained, tumor cells are killed to the maximum extent, the curative effect is improved, and adverse reactions caused by the drugs are reduced. At present, a portable infusion pump used clinically needs manual high-pressure injection for dosing, when force is excessively applied, a dosing port can be damaged and broken, and a scale inside the pump can be separated; the flow rate can only be observed by naked eyes, and long-time observation and comparison are needed because the flow rate is small: the size of the liquid storage bag and the scale change of the scale judge whether the portable infusion pump works, and infusion obstacles such as pipe blockage and the like are not easy to find in time; when the pump body is damaged, it is difficult to take out the liquid medicine from the pump when the pump cannot be used continuously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable antitumor drug infusion pump subassembly, it conveniently carries, convenient to use.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a portable antitumor drug infusion pump assembly comprises a liquid storage bag, a first input pipe, a second input pipe and an output pipe, wherein the two ends of the liquid storage bag are respectively connected with the output pipe and the first input pipe; the one end of second input tube is equipped with the plastic steel needle, the plastic steel needle outside covers and is equipped with the needle cap, the other end of second input tube is equipped with the nipple, the nipple outside covers and is equipped with the breast cap, the input tube is equipped with the second clamping and closes the ware, be equipped with the drip chamber between second clamping and closes the ware and the nipple, the nipple with the injection mouth is for dismantling the connection.

Further, the outside cover of reservoir is equipped with the protective housing, the protective housing adopts transparent material to make and forms.

Furthermore, a flow controller and a flow rate sensor are arranged on the output pipe.

Furthermore, a medicine extracting opening is formed between the flow rate sensor and the screw opening, and a medicine cover is arranged on the medicine extracting opening.

Further, a filter is arranged between the medicine extracting port and the screw port.

Furthermore, a first clamping device is arranged between the filter and the screw port.

Furthermore, a speed limiter is arranged between the first clamping and closing device and the screw port.

Further, still including being used for packing into the pump package of taking of protective housing, it is equipped with the braces to take the pump package, it is equipped with the marking to take the pump package outside, marking department is connected with the tape, the one end that the marking was kept away from to the tape is equipped with the magic subsides.

Furthermore, a measurer for measuring the gas volume is communicated with the shell, and the measurer is communicated with the shell.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

1. the utility model discloses portable, practical convenient, and the security is high, and it can measure the liquid volume in the reservoir.

2. The utility model discloses can control concentration, speed and the dose of using medicine, avoid high-pressure injection to add the medicine, reduce the risk of infusion pump artificial damage.

3. The utility model discloses can monitor the velocity of flow of liquid medicine, in time discover infusion obstacles such as pipeline discount, in case the infusion pump takes place the obstacle, when needing to take out the liquid medicine, can use the syringe to connect and take out the medicine mouth and take out the liquid medicine, perhaps use the vein blood taking needle to connect aseptic infusion bottle and take out the liquid medicine mouth and discharge the liquid medicine.

4. The utility model discloses can measure the liquid volume in the reservoir, conveniently in time carry out the liquid feeding or stop the infusion.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a second input tube according to the present invention;

fig. 3 is a schematic diagram of a pump carrying bag.

The main reference symbols in the drawings are as follows:

in the attached drawing, 1-a medicine injection cap, 2-a measurer, 3-a first input tube, 4-a liquid storage bag, 5-a protective shell, 6-an output tube, 7-a flow controller, 8-a flow rate sensor, 9-a medicine extraction port, 10-a filter, 11-a first clamping device, 12-a screw cap, 13-a speed limiter, 14-a second input tube, 15-a medicine cover, 16-a needle cap, 17-a dropping funnel, 18-a breast cap, 19-a second clamping device, 20-a back strap, 21-a pump carrying bag, 22-a marking line, 23-a flexible rule and 24-a magic plaster.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "beneath," and "under" the second feature includes the first feature being directly under and obliquely under the second feature, or merely means that the first feature is at a lesser level than the second feature

As shown in fig. 1-3, a portable antitumor drug infusion pump package spare, includes reservoir 4, the both ends of reservoir 4 are connected with first input tube 3 and output tube respectively, the one end that reservoir 4 was kept away from to first input tube 3 is equipped with the injection mouth, is equipped with the valve on the injection mouth, the injection mouth outside is covered and is equipped with injection cap 1, the one end that reservoir 4 was kept away from to the output tube is equipped with the screw socket, the screw socket outside is covered and is equipped with the tail-hood. The outside cover of reservoir is equipped with the protective housing, the protective housing adopts transparent material preparation to form.

In one embodiment of the utility model, the reservoir 4 is made of high elastic material, and the reservoir 4 filled with the liquid medicine is automatically retracted to provide power when in use. The negative pressure capable of sucking 300 ml of liquid medicine is preset in the liquid storage bag 4, the liquid medicine flows through the first input pipe 3 to the liquid storage bag 4 and the output pipe 6 after being sucked from the medicine injection port, and the medicine injection cap 1 is covered after the liquid medicine is completely injected into the liquid storage bag 4. The protective shell 5 is communicated with a measurer 2 for measuring gas volume, and the measurer 2 is communicated with the protective shell 5. The measurer in the embodiment comprises an air pressure sensor, a temperature sensor, a display screen, a controller and a battery, wherein the controller is respectively connected with the air pressure sensor, the temperature sensor and the display screen, and the battery supplies power for all electronic elements. The principle of the measurer 1 for measuring the volume in the liquid storage bag 4 is as follows: when the liquid storage bag 4 is inflated with liquid, the gas in the first protective shell 5 is extruded into the measuring device 2, the measuring device 2 can measure the air pressure, the air pressure is converted into the volume through a formula, the variation of the air pressure is the variation of the volume, and finally the liquid volume in the liquid storage bag 4 can be obtained. The formula is: PV ═ nRT, where P is the gas pressure, V is the volume, n is the amount of substance, R is a constant, T is the kelvin temperature, nR is a definite value since the gas inside the housing is air, and P can be measured with a pressure sensor, T can be measured with a temperature sensor, after which the data are input to the controller, V can be calculated by a formula, and then the calculation result is displayed on the display screen of the measurer.

Be equipped with flow controller 7 and flow sensor 8 on the output tube, be equipped with between flow sensor 8 and the screw socket and take out medicine mouth 9, be equipped with medicine lid 15 on taking out medicine mouth 9, it is equipped with filter 10 to take out between medicine mouth 9 and the screw socket, be equipped with first clamping device 11 between filter 10 and the screw socket, be equipped with overspeed governor 13 between first clamping device 11 and the screw socket. When the liquid medicine is completely filled into the liquid storage bag 4, the liquid medicine injection cap 1 is covered, the tail cover is unscrewed to release redundant negative pressure, the screw cap is reserved, the first clamping device 11 is opened, the liquid medicine in the liquid storage bag 4 flows to the tail end through the output pipe, and air is driven out of the system at the same time, so that pre-flushing is carried out; after the pre-flushing is finished, the screw cap is removed, and the screw can be connected with the infusion passage of the patient; the speed limiter 13 is used for controlling the flow rate; the filter 10 filters particles such as impurities in the liquid medicine; the flow rate sensor 8 is used for monitoring the flow rate of the liquid medicine, and generating infusion obstacles such as pipeline breaking, or adding an automatic alarm for alarming and reminding when the liquid medicine in the output pipe stops flowing after the liquid medicine infusion is finished; the medicine extracting opening 9 can be connected with the medicine extracting opening 9 by a syringe to extract the medicine liquid when the portable infusion pump is in trouble and the medicine liquid needs to be taken out, or a vein blood taking needle is connected with a sterile infusion bottle and the liquid extracting opening to discharge the medicine liquid, and the infusion container is replaced for reuse. The flow controller 7 can precisely control the outflow amount of the liquid medicine per hour.

The utility model discloses still include second input tube 14, the one end of second input tube 14 is equipped with the plastic steel needle, plastic steel needle outside cover is equipped with needle cap 16. The other end of the second input tube 14 is provided with a nipple, the outer side of the nipple is covered with a nipple cap 18, the second input tube is provided with a second clamping device, a dropping funnel 17 is arranged between the second clamping device and the nipple, and the nipple is detachably connected with the medicine injection port. Inserting the plastic-steel needle into the bottle stopper of the medicine bottle, extruding the dropping funnel 17 to fill the input tube with the liquid medicine, clamping the second clamping device, removing the nipple cap, inserting the nipple into the medicine injection port, automatically opening the valve in the medicine injection port, reversely lifting the medicine bottle inserted with the plastic-steel needle, opening the clamping device, sucking the liquid medicine from the medicine injection port, clamping the second clamping device in time after the liquid medicine is injected, or reversely bending the second input tube 14 to prevent air from entering the liquid storage bag 4, automatically closing the valve in the medicine injection port after the nipple is separated from the medicine injection port, and screwing the medicine injection cap 1 on the medicine injection port; the liquid medicine needs to be pumped by the syringe, after the liquid medicine is pumped and air is exhausted, the nipple of the syringe is connected with the medicine injection port, and medicine injection can be completed.

The utility model discloses still including being used for packing into protective housing 5 take pump package 21, it is equipped with braces 20 on the pump package 21 to take, it is equipped with marking 22 to take the pump package 21 outside, marking 22 department is connected with flexible rule 23, the one end that marking 22 was kept away from to flexible rule 23 is equipped with magic subsides 24, puts into after infusion pump is connected to the patient and takes pump package 21, takes pump package 21 to carry on arms in overspeed governor 13 near side health during the activity, can hang on objects such as bedside infusion support during the rest, marking 22 and overspeed governor 13 are in same level. The height difference has an effect on the infusion rate due to gravity, with a change in height of 1% faster or slower per 5 cm. Therefore, the height change between the liquid storage bag and the speed limiter is controlled within a certain range, one end of the flexible rule 23 is fixed on the marked line 22 and is perpendicular to the marked line to form a 90-degree angle, the other end of the flexible rule is fixed on the other surface of the bag through the magic tape, and 5.2 the flexible rule 23 is unfolded to be used for measuring the height difference between the liquid storage bag 4 and the speed limiter 13, so that the influence of gravity factors on the flow rate of liquid medicine is controlled within the lowest range, and the treatment effect is improved.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. A portable antitumor drug infusion pump assembly is characterized by comprising a liquid storage bag, a first input pipe, a second input pipe and an output pipe, wherein the two ends of the liquid storage bag are respectively connected with the output pipe and the first input pipe; the one end of second input tube is equipped with the plastic steel needle, the plastic steel needle outside covers and is equipped with the needle cap, the other end of second input tube is equipped with the nipple, the nipple outside covers and is equipped with the breast cap, the input tube is equipped with the second clamping and closes the ware, be equipped with the drip chamber between second clamping and closes the ware and the nipple, the nipple with the injection mouth is for dismantling the connection.

2. The portable pump assembly for infusion and injection of antitumor drugs according to claim 1, wherein a protective shell is covered outside the reservoir, and the protective shell is made of transparent material.

3. The portable pump assembly for infusion and pumping of antineoplastic drugs according to claim 1, wherein said output tube is provided with a flow controller and a flow rate sensor.

4. The portable pump assembly for infusion and injection of antitumor drugs according to claim 3, wherein a drug extraction port is arranged between the flow rate sensor and the screw port, and a drug cover is arranged on the drug extraction port.

5. The portable pump assembly for infusion and injection of antineoplastic drugs according to claim 4, wherein a filter is arranged between the drug extraction port and the screw port.

6. The portable antineoplastic drug infusion pump assembly of claim 5, wherein a first clip is disposed between the filter and the screw.

7. The portable antineoplastic drug infusion pump assembly of claim 6, wherein a speed limiter is disposed between the first clip and the screw.

8. The portable pump assembly for infusion and injection of antitumor drugs as claimed in claim 1, further comprising a pump carrying bag for enclosing the protective casing, wherein the pump carrying bag is provided with a strap, a marked line is arranged on the outer side of the pump carrying bag, a flexible rule is connected to the marked line, and a magic tape is arranged at one end of the flexible rule far away from the marked line.

9. The portable antineoplastic drug infusion pump assembly of claim 2, wherein a gauge for measuring gas volume is in communication with the housing, the gauge being in communication with the housing.