CN218685517U - Portable infusion device capable of being placed and carried at will - Google Patents

Abstract

The utility model discloses a lay at will and portable infusion equipment that can carry at will, when the patient needs the infusion, medical personnel rotate rotatory handle and exert pressure for intracavity second liquid bag as required, through spring elastic control with the interior liquid slow transportation of second liquid bag to first liquid bag in, and can not flow back through check valve control liquid, liquid increases the interior liquid of continuous extrusion infusion bag in the first liquid bag, guarantees that the interior liquid of infusion bag continuously exports. The inconvenience of activities such as washing, going to a toilet and the like when a patient takes transfusion is effectively solved; when necessary, the moving range of the patient during transfusion is increased; the problem of the patient when removing, infusion bag when moving along with the patient suddenly high suddenly low ground, the infusion velocity of flow changes thereupon, causes the phenomenon of the internal blood backward flow of disease even, causes pressure to patient's health and the mind, influences patient's recovery of body and mind.

Description

A portable infusion device that can be placed and carried at will

technical field

The utility model relates to the field of medical technology, in particular to a portable transfusion device which can be placed and carried at will.

Background technique

Infusion is also known as intravenous drip or hanging water; it is a large dose (a dose of more than 100ml) injected into the body by intravenous drip; it is usually packaged in a plastic infusion bag; when infusion is carried out through the infusion bag, the infusion bag is used Hanging to a high place, through the liquid in the infusion bag and the blood in the vein of the human body, a pressure difference is generated to transport the patient's veins, which makes it difficult for the patient to move during the infusion, causing inconvenience to the patient's activities such as going to the toilet, and the patient moves during the infusion , will cause the pressure difference between the liquid in the infusion bag tube and the blood in the human vein to fluctuate, and sometimes even produce a negative value, which will cause blood backflow and other events, which will cause pressure on the patient's body and mind, and have a bad impact.

Utility model content

The purpose of this utility model is to provide a portable infusion device that can be placed and carried at will, which effectively solves the inconvenience of patients washing and going to the toilet when performing infusion; Range of activities; solves the problem that when the infusion bag moves up and down with the patient when the patient is moving, the infusion flow rate changes accordingly, and even causes the blood backflow in the patient's body, causing pressure on the patient's body and mind, and affecting the patient's body and mind recover.

The technical solution of the utility model is: a portable infusion device that can be placed and carried at will, including a cylinder body, and a partition is arranged in the cylinder body, and the partition board divides the inside of the cylinder body into two independent cavities : Respectively, the pressure supply chamber and the infusion chamber;

The pressure supply chamber is provided with a pressure supply device and a second liquid bag; the pressure supply device includes a rotary handle, a connecting pipe, a spring, a push rod and a push plate; the first end of the connecting pipe passes through a pressure supply chamber The side wall hole of the cylinder body on the side is connected to the outside, and the first end of the connecting pipe is connected to the rotating handle; the outer surface of the connecting pipe is provided with external threads, and the inner surface of the cylinder side wall hole is provided with internal threads matching the external threads. The screw thread can drive the connecting pipe to move back and forth along the side wall hole of the cylinder by turning the rotating handle; the spring is arranged in the connecting pipe, and the first end of the push rod extends into the connecting pipe from the opening of the second end of the connecting pipe to contact with the spring , the second end of the push rod is located outside the connecting pipe and connected to the push plate; the cavity on the side of the push plate facing away from the connecting pipe is provided with a second liquid bag;

A first liquid bag is arranged in the infusion chamber;

A one-way valve is arranged on the partition, the liquid inlet of the one-way valve is connected to the first opening of the second liquid bag, and the liquid outlet of the one-way valve is connected to the first opening of the first liquid bag;

A manual switch valve is provided on the outer wall of the cylinder, the first inlet and outlet of the manual switch valve are connected to the second opening of the second liquid bag, and the second inlet and outlet of the manual switch valve are connected to the second opening of the first liquid bag;

One side of the infusion chamber corresponds to an opening on the side wall of the cylinder, and the infusion bag body can be installed into the infusion chamber from the opening on the side wall of the cylinder, and fixed by the infusion bag fixing device, and the infusion port of the fixed infusion bag body can be exposed. It is matched with the needle of the external infusion tube, and the fixed infusion bag body is squeezed tightly against the outer wall of the part of the infusion bag inside the infusion cavity.

Further, it also includes a flow regulating valve, the flow regulating valve is provided with an infusion tube channel and a flow regulating knob, the infusion tube can pass through the infusion tube channel, and the pipeline switch and flow rate of the infusion tube can be controlled by rotating the flow regulating knob.

Further, the flow regulating valve is detachably installed on the cylinder body.

Further, a transparent strip is provided on the outer wall of the cylinder on the side corresponding to the second liquid bag. It is convenient to observe the liquid flow of the second liquid bag.

Further, the push plate is provided with a color marking coating. It is convenient to observe the moving position of the inner push plate through the transparent strip.

Further, the pressure supply device further includes a support ring, the inner ring opening of the support ring is integrally connected with the second end port of the connecting pipe, and the end surface of the outer ring opening of the support ring is in point contact with the inner surface of the pressure supply chamber. While realizing the support for the connecting pipe, it will not affect the rotational movement of the connecting pipe, so as to achieve the purpose of dynamic support.

Further, the infusion bag fixing device includes an infusion bag pressing plate, a fixing ring and a threaded mounting piece; the center of the infusion bag pressing plate has a hole, and the infusion port of the infusion bag body is exposed from the center hole of the infusion bag pressing plate, and the fixing ring After connecting the pressure plate of the infusion bag with the opening of the side wall of the cylinder body, it is detachably fixedly connected by a threaded mounting piece.

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

The utility model provides a portable infusion device that can be placed and carried at will, which effectively solves the inconvenience of patients washing, going to the toilet and other activities during infusion; when necessary, increases the patient's range of activities during infusion; solves the problem of When the patient is moving, when the infusion bag moves up and down with the patient, the infusion flow rate changes accordingly, and even causes the phenomenon of blood backflow in the patient's body, causing pressure on the patient's body and mind, and affecting the patient's physical and mental recovery.

The utility model designs a pressure supply device. When a patient needs infusion, the medical personnel turn the rotary handle to apply pressure to the second liquid bag in the cavity according to the requirements, and the liquid in the second liquid bag is slowly delivered to the first liquid bag through the elastic control of the spring. The liquid in the liquid bag is controlled by the one-way valve so that the liquid will not flow back. The liquid in the first liquid bag increases and continuously squeezes the liquid in the infusion bag to ensure the continuous output of the liquid in the infusion bag.

Description of drawings

Figure 1 is a schematic structural view of a portable infusion device that can be placed and carried at will.

In the figure: 1 is the cylinder body, 2 is the transparent strip, 3 is the flow adjustment knob, 4 is the outer wall of the first liquid bag, 5 is the second liquid bag, 6 is the partition, 7 is the manual switch valve, 8 is the one-way valve , 9 is the first liquid bag, 10 is the push plate, 11 is the support ring, 12 is the connecting pipe, 13 is the push rod, 14 is the spring, 15 is the rotating handle, 16 is the fixed ring, 17 is the threaded mounting piece, 18 is Infusion bag body, 19 is an infusion tube, 20 is a flow regulating valve, and 21 is a pressure plate for an infusion bag.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described further.

As shown in Figure 1, a portable infusion device that can be placed and carried at will includes a cylinder body 1, and a partition 6 is arranged in the cylinder body 1, and the partition board 6 divides the interior of the cylinder body 1 into two Independent chambers: respectively pressure supply chamber and infusion chamber.

The pressure supply chamber is provided with a pressure supply device and a second liquid bag 5 . The pressure supply device includes a rotary handle 15 , a connecting pipe 12 , a spring 14 , a push rod 13 and a push plate 10 . The first end of the connecting pipe 12 passes through the cylinder side wall hole on one side of the pressure supply chamber to the outside, and the first end of the connecting pipe 12 is connected to the rotary handle 15 . The outer surface of the connecting pipe 12 is provided with an external thread, and the inner surface of the cylinder side wall hole is provided with an internal thread matching the external thread. By turning the rotating handle 15, the connecting pipe 12 can be driven to move back and forth along the cylinder side wall hole. The spring 14 is arranged in the connecting pipe 12, the first end of the push rod 13 extends into the connecting pipe 12 from the opening of the second end of the connecting pipe 12 to contact with the spring 14, and the second end of the push rod 13 is located at the connecting pipe 12 The outside is connected to the push plate 10. A second liquid bag 5 is disposed in the cavity of the push plate 10 facing away from the connecting pipe 12 .

A first liquid bag 9 is arranged in the infusion chamber.

The separator 6 is provided with a one-way valve 8, the liquid inlet of the one-way valve 8 is connected to the first opening of the second liquid bag 5, and the liquid outlet of the one-way valve 8 is connected to the first opening of the first liquid bag 9. Open your mouth.

The outer wall of the cylinder body 1 is provided with a manual switch valve 7, the first inlet and outlet of the manual switch valve 7 are connected to the second opening of the second liquid bag 5, and the second inlet and outlet of the manual switch valve 7 are connected to the first liquid bag 9 for the second opening.

One side of the infusion chamber corresponds to the opening of the cylinder side wall, and the infusion bag body 18 can be installed into the infusion chamber from the opening of the cylinder side wall, and fixed by the infusion bag fixing device. The infusion port of the fixed infusion bag body 18 The exposed part can be connected with the needle of the external infusion tube, and the fixed infusion bag body 18 is squeezed tightly against the outer wall 4 of the part of the first liquid bag 9 outside the part of the infusion bag body inside the infusion cavity.

The infusion bag fixing device includes an infusion bag pressing plate 21 , a fixing ring 16 and a threaded mounting piece 17 . The center of the infusion bag pressing plate 21 has a hole, and the infusion port of the infusion bag body 18 is exposed from the center hole of the infusion bag pressing plate 21. The fixing ring 16 connects the infusion bag pressing plate 21 with the opening of the side wall of the cylinder body and passes through the screw thread. The mounting part 17 is detachably fixedly connected.

Preferably, the portable infusion device that can be placed at will and can be carried at will also includes a flow regulating valve 20, which is provided with an infusion tube channel and a flow adjustment knob 3, and the infusion tube can pass through the infusion tube channel, and by rotating The flow adjustment knob 3 controls the pipeline switch and flow of the infusion tube. Further preferably, the flow regulating valve 20 is detachably installed on the cylinder body 1 .

Preferably, a transparent strip 2 is provided on the outer wall of the cylinder on the side corresponding to the second liquid bag 5 . It is convenient to observe the liquid flow of the second liquid bag. Further preferably, the push plate 10 is provided with a color identification coating. It is convenient to observe the moving position of the inner push plate through the transparent strip.

During use, in order to prevent the connecting pipe from shaking, the pressure supply device also includes a support ring 11, the inner ring of the support ring 11 is connected with the second end port of the connecting pipe 12 as a whole, and the outer ring of the support ring 11 is connected to the end surface of the second end of the connecting pipe. The pressure supply chamber is in point contact with the inner surface. While realizing the support for the connecting pipe, it will not affect the rotational movement of the connecting pipe, so as to achieve the purpose of dynamic support.

working principle:

1. Manually open the manual valve 7 to make the liquid in the first liquid bag 9 and the liquid in the second liquid bag 5 conduct.

2. Turn the rotary handle 15 to move the connecting pipe 12 and the supporting ring 11 to the outside of the cylinder body 1 .

3. Install the infusion bag body 18 from the opening of the side wall of the cylinder body into the infusion chamber, make the part of the infusion bag body outside the infusion chamber and the outer wall 4 of the first liquid bag 9 squeeze tightly, and use the fixing ring 16 and the screw thread The mounting part 17 fixes the pressure plate 21 of the infusion bag, and at the same time, the liquid in the first liquid bag 9 flows into the second liquid bag 5 through the manual valve 7 .

4. Manually close the manual valve 7 to block the flow of the liquid in the first liquid bag 9 to the second liquid bag 5 .

5. Turn the rotary handle 15 according to the requirement to move the connecting pipe 12 to the inner side of the cylinder, compress the inner spring 14 of the connecting pipe 12, and the other side of the spring 14 applies its own force to the second side through the connecting rod 13 and the push plate 10. The outer wall of the second liquid bag 5 pressurizes the second liquid bag 5 according to the characteristics of the liquid in the closed container. The liquid in the second liquid bag 5 flows into the first liquid bag 9 through the one-way valve 8, pressurizing the outer wall of the first liquid bag, and the outer wall of the first liquid bag transmits the pressure to the outer wall of the infusion bag body 18 in contact with it, Make the infusion bag body 18 under pressure.

6. Install the middle part of the infusion tube 19 in the infusion channel to which the infusion flow controller 20 belongs, adjust the flow regulating valve 20 to the minimum, squeeze the inner wall of the infusion tube 19 to stick to it, and block the flow of fluid in the infusion tube 19. Insert the needle into the infusion port of the infusion bag body 18, connect the liquid in the infusion bag body and the space in the infusion tube 19, open the flow regulating valve 20, and discharge the gas in the infusion bag body 18 and the infusion tube 19 through the needle at the other end of the infusion tube 19, and again Close the flow regulating valve 20, insert the needle at the other end of the infusion tube 19 into the patient's vein, and adjust the flow regulating valve 20 according to the delivery requirements of the pharmaceutical industry, so that the liquid in the infusion bag body flows into the patient's blood vessel at a constant speed.

7. The medical staff can install the second infusion bag on the second group of machines through the above operations in the medical room. When the patient needs to change the infusion bag, the medical staff pick up the portable infusion set with the second infusion bag installed and arrive at the patient. Before the patient, adjust the flow regulating valve 20 to the minimum, block the liquid flow in the infusion tube 19, pull out the needle embedded in the end of the first infusion bag body 18 belonging to the infusion tube 19, and insert it into the second portable infusion set. In the second infusion bag body, the liquid in the second infusion bag body is connected to the space in the infusion tube 19, and the second group of mechanical rotary handles 15 and flow regulating valve 20 are regulated according to requirements to control the flow rate.

8. The medical staff picks up the first portable infusion set, and in the medical room, manually opens the manual valve 7, twists the rotary handle 15 again, so that the connecting tube 12 moves to the outside of the cylinder body 1, and the liquid in the first liquid bag 1 can pass through. The manual valve 7 flows into the second liquid bag 5, so that the extrusion force between the outer wall of the infusion bag body 18 and the outer wall of the first liquid bag 4 is basically zero, the fixing ring 16 is opened, the pressure plate 21 of the infusion bag is taken out, and the first infusion bag body is taken out and placed Go into the hospital dustbin, again by above-mentioned operation, set up the 3rd infusion bag body 18, ready to change the infusion bag body again for the patient, repeat operation like this, complete all transfusions of the patient.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, these improvements and Retouching should also be regarded as the scope of protection of the present utility model.

Claims (7)

1. The utility model provides a portable infusion equipment who lays at will and can carry at will which characterized in that: including cylinder body (1), be provided with baffle (6) in cylinder body (1), baffle (6) are two independent cavitys with cylinder body (1) internal partitioning: respectively a pressure supply cavity and a transfusion cavity;

a pressure supply device and a second liquid bag (5) are arranged in the pressure supply cavity; the pressure supply equipment comprises a rotary handle (15), a connecting pipe (12), a spring (14), a push rod (13) and a push plate (10); the first end of the connecting pipe (12) penetrates through a cylinder body side wall hole on one side of the pressure supply cavity to the outside, and the head of the first end of the connecting pipe (12) is connected with a rotating handle (15); the outer surface of the connecting pipe (12) is provided with an external thread, the inner surface of the side wall hole of the cylinder body is provided with an internal thread matched with the external thread, and the connecting pipe (12) can be driven to move back and forth along the side wall hole of the cylinder body by rotating the rotary handle (15); the spring (14) is arranged in the connecting pipe (12), the first end of the push rod (13) extends into the connecting pipe (12) from the opening of the second end of the connecting pipe (12) to be contacted with the spring (14), and the second end of the push rod (13) is positioned outside the connecting pipe (12) and is connected with the push plate (10); a second liquid bag (5) is arranged in a cavity on one side of the push plate (10) back to the connecting pipe (12);

a first liquid bag (9) is arranged in the transfusion cavity;

a one-way valve (8) is arranged on the partition plate (6), a liquid inlet of the one-way valve (8) is connected with the first opening of the second liquid bag (5), and a liquid outlet of the one-way valve (8) is connected with the first opening of the first liquid bag (9);

a manual switch valve (7) is arranged on the outer wall of the cylinder body (1), a first inlet and a first outlet of the manual switch valve (7) are connected with a second opening of the second liquid bag (5), and a second inlet and a second outlet of the manual switch valve (7) are connected with a second opening of the first liquid bag (9);

the cylinder body lateral wall opening that transfusion chamber one side corresponds, infusion bag body (18) can be installed to the infusion intracavity from cylinder body lateral wall opening part to it is fixed through infusion bag fixing device, the infusion mouth of infusion bag body (18) after the fixing exposes can be connected with the supporting of outside transfer line syringe needle, infusion bag body (18) after the fixing is pasted tightly in the partial infusion bag body outside of infusion intracavity portion and the partial outer wall (4) extrusion of first liquid bag (9).

2. A disposable and transportable portable infusion device as recited in claim 1, further comprising: still include flow control valve (20), be provided with infusion tube passageway and flow control knob (3) in flow control valve (20), the transfer line can pass the infusion tube passageway to through rotatory flow control knob (3) control transfer line's pipeline switch and flow.

3. A disposable and transportable portable infusion device as recited in claim 2, further comprising: the flow regulating valve (20) is detachably arranged on the cylinder body (1).

4. A disposable and transportable portable infusion device as recited in claim 1, further comprising: and a transparent strip (2) is arranged on the outer wall of the cylinder body at one side corresponding to the second liquid bag (5).

5. A disposable and transportable portable infusion device of claim 4, further comprising: the push plate (10) is provided with a color identification coating.

6. A disposable and transportable portable infusion device as recited in claim 1, further comprising: the pressure supply equipment further comprises a support ring (11), an inner ring opening of the support ring (11) is connected with a second end port of the connecting pipe (12) into a whole, and the end face of an outer ring opening of the support ring (11) is in point contact with the inner surface of the pressure supply cavity.

7. A disposable and transportable portable infusion device as recited in claim 1, further comprising: the infusion bag fixing device comprises an infusion bag pressing plate (21), a fixing ring (16) and a thread mounting piece (17);

infusion bag clamp plate (21) center trompil, the infusion mouth of infusion bag body (18) exposes in the center hole of infusion bag clamp plate (21), solid fixed ring (16) link up infusion bag clamp plate (21) and cylinder body lateral wall opening part back and through the detachable fixed connection of screw thread installed part (17).

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