WO2009092312A1

WO2009092312A1 - Automatic drip-stopping, alarm apparatus for infusion device

Info

Publication number: WO2009092312A1
Application number: PCT/CN2009/070120
Authority: WO
Inventors: Yushi Li
Original assignee: Yushi Li
Priority date: 2008-01-18
Filing date: 2009-01-13
Publication date: 2009-07-30
Also published as: CN101234219A; CN100571798C

Abstract

An automatic drip-stopping, alarm apparatus for an infusion device includes a puncture instrument (3), a booster balloon (2), an air guide and liquid guide tube (4), and a liquid collecting tube upper cover (5). A connector (10) and an elastic sealing sleeve (9) are provided at the lower port of a liquid collecting tube (8), and a hollow float (6) is provided in the liquid collecting tube (8). An upper guide bar (601a) and a conical plug (602b) are provided at the upper and lower ends of the hollow float (6) respectively. A lower guide bar (602a) is provided at the lower end of the conical plug (602b), and the upper and lower guide bars (601a, 602a) are inserted into a guide hole (503) on the liquid collecting tube upper cover (5) and the connector (10) respectively. The upper end face of the hollow float (6) is a conical face. A magnet (7) is provided on the hollow float (6), and an acousto-optic alarm device (11) with a dry reed switch or a magnetic switch (12) therein is mounted on the outside of the liquid collecting tube (8). The dry reed switch or the magnetic switch (12) corresponds with the falling position of the magnet (7).

Description

Infusion set automatic stop drop, alarm device

Technical field

The invention belongs to an automatic control device, in particular to an automatic infusion and drip device for an infusion set.

Background technique

The existing infusion device alarm device is composed of a liquid collecting pipe, a drip bucket, a float provided in the liquid collecting pipe and containing magnetic powder, a reed pipe provided on the side wall of the collecting pipe, and a power source and an alarm device connected in series with the reed pipe. . When the infusion is ready, the float moves down to operate the reed switch, and the alarm device is turned on. The alarm device is located in the nurse duty room. The problems with this type of alarm device are as follows: 1. The float cannot close the liquid outlet of the liquid collecting tube when the infusion is ready, and the medical patient or the deaf person who is in a sleep state cannot prevent the air from entering the blood vessel and returning blood. occur. 2. The upper surface of the float is flat, which makes the residual liquid waste, which does not meet the requirements of infusion. 3. Since the float has no guiding device, the float shakes with the liquid medicine, so that the magnetic powder is in a floating state, and the reed switch is unstable in operation, and the accurate alarm is not provided. 4. The alarm device is located in the nurse duty room. It is necessary to add wiring, which not only increases the investment, but also makes the ward appear disordered, and the patient or the accompanying staff can not get the information of the infusion waiting in time; when the infusion is exhausted, it is set in the nurse duty room. The monitoring personnel first know the information, then notify the nurse, the processing is cumbersome, and the nurse sometimes cannot arrive in time due to other affairs, delaying the processing time, and easily causing medical accidents.

Summary of the invention

The object of the present invention is to overcome the above problems existing in the prior art, and provide an automatic drip stop and alarm device for an infusion set. The infusion set automatically stops dripping, the alarm device has a simple structure and reliable operation, and can be automatically closed when the infusion is completed. Automatically stop drip, infusion patient blood vessels do not return blood, do not enter the air, with automatic alarm prompt function, so that patients, accompanying staff can get infusion information in time, and can close the infusion device to prevent medical accidents.

The invention is realized in that it comprises a puncture device 3, a booster airbag 2 is arranged on the side of the puncture device 3, an air cleaner 1 is arranged on the booster airbag 2, and a gas guiding and liquid guiding connection is connected to the lower port of the puncture device 3. The tube 4 is connected at the lower port of the air guiding and liquid guiding connecting tube 4 with a liquid collecting tube upper cover 5 having an inlet at the upper end, and a liquid guiding hole 501, a guiding hole 503 and an air guiding hole 502 are provided at the inlet of the liquid collecting tube upper cover 5, On the collecting tube The cover 5 is connected to the liquid collecting pipe 8, and a connecting member 10 is arranged at the lower port of the liquid collecting pipe 8. The connecting member 10 is provided with a central hole in the longitudinal direction, and an elastic sealing sleeve 9 is arranged at the upper end of the connecting member 10, and the collecting pipe 8 is arranged in the collecting pipe 8. The hollow float 6 is disposed therein, the upper end of the hollow float 6 is provided with an upper guiding rod 601a, the lower end of the hollow float is provided with a tapered plug 602b, and the lower end of the tapered plug 602b is provided with a lower guiding rod 602a, and the upper guiding rod 601a and the lower guiding rod 602a respectively Inserted into the guide hole 503 and the connecting member 10, the special features are: the upper end surface of the hollow float 6 is a tapered surface, the magnetic float 7 is arranged on the hollow float 6, and the inner reed tube is installed outside the liquid collecting tube 8. Or the sound and light alarm device 11 of the magnetic switch 12, the reed switch or the magnetic switch 12 corresponds to the falling position of the magnetic body 7.

The above-mentioned infusion set automatically stops dripping and alarming device, and the sound and light alarm device 11 is composed of a power source 13, a reed switch or a magnetic switch 12, a light-emitting element 14 and an acoustic circuit 15, and the reed switch or magnetic switch 12 In series with the power source 13, the light-emitting element 14 and the acoustic circuit 15 are connected in parallel at the other end of the reed switch or the magnetic switch 12 and the power source 13 to prevent the normal sound of the acoustic circuit from being disturbed when the light-emitting element operates.

The above-mentioned infusion set automatically stops dripping and alarming device, and the power source 13 is a dual power source 13, wherein one power source, the reed switch or the magnetic switch 12 and the light-emitting element 14 form a circuit, and the other power source, the reed switch or the magnetic switch 12 and the audio circuit 15 form another circuit, the two circuits share a reed switch or a magnetic switch to prevent mutual interference of the two power circuits and loss of electrical energy.

The above-mentioned infusion set automatically stops dripping and alarming device, and the air guiding passage of the assisting airbag 2 is inclined downward along the air inlet 302a of the air guiding hole 302 of the puncture device 3 to prevent the airbag 2 from entering the assisting airbag 2 during operation. The liquid cannot be completely returned.

The above-mentioned infusion set automatically stops the drip and alarm device, and the upper airway and the lower airway position of the puncture device 3 are in error.

The above-mentioned infusion set automatically stops dripping and alarming device, and the sound and light alarm device 11 is hung on the liquid collecting camp top cover 5

The above-mentioned infusion set automatically stops dripping and alarming device, and the sound and light alarm device 11 is composed of a power source 13, a reed switch or a magnetic switch 12, a light-emitting element 14, and an acoustic circuit 15 in a series circuit.

The above-mentioned infusion set automatically stops dripping and alarming device, and the magnetic body 7 is a circular sheet-like body and is located in the hollow float 6. The above-mentioned infusion set automatically stops the drip and alarm device, and the magnetic body 7 is annular and located on the outer surface of the hollow float 6.

The above-mentioned infusion set automatically stops dripping and alarming device, and the hollow float 6 is a split structure and is composed of an upper casing 601, a lower casing 602 and a connector connected between the upper casing 601 and the lower casing 602. 603 constitutes.

The invention has the advantages of simple structure and reliable operation, and can prevent the liquid residue from remaining on the hollow float. When the infusion is to be exhausted, the patient can automatically close and automatically stop the drip, and the infusion patient does not return blood and does not enter the air. The automatic alarm reminding function enables the patient and the accompanying staff to get the infusion waiting information in time, and can immediately close the infusion set by itself, which brings great convenience to the patient infusion, ensures the safety of the patient during the drip, and prevents the infusion from being exhausted. The medical incident caused.

DRAWINGS

1 is a schematic structural view of the present invention; FIG. 2 is a schematic view showing a second connection mode of a magnetic body and a hollow float; FIG. 3 is a circuit schematic diagram of a first form of an acousto-optic alarm device; Two forms of circuit schematics; Figure 5 is a schematic diagram of a third form of the sound and light alarm device. In the figure: air cleaner 1, booster airbag 2, puncture device 3, liquid guiding hole 301, air guiding hole 302, air inlet 302a, air guiding and liquid guiding connecting tube 4, liquid collecting tube upper cover 5, liquid guiding hole 501, air guiding hole 502, guiding hole 503, hollow float 6, upper housing 601, lower housing 602, connector 603, upper guiding rod 601a, lower guiding rod 602a, tapered plug 602b, magnetic body 7, collecting liquid The tube 8, the elastic sealing sleeve 9, the connecting member 10, the sound and light alarm device 11, the reed switch or the magnetic switch 12, the power source 13, the light-emitting element 14, and the acoustic circuit 15.

detailed description

As shown in Fig. 1, the present invention has a puncture device 3, the puncture device 3 is provided with a liquid guiding hole 301 on the side, and the air guiding hole 302 is disposed on the other side. The air guiding hole 302 is provided with an air inlet 302a, and the air guiding hole 302 is located. Enter The lower portion of the air port 302a is a lower air passage, and the air guiding hole 302 is located above the air inlet 302a as an upper air passage, and the upper air passage and the lower air passage are in a wrong position, and a booster airbag 2 is disposed on a side of the puncture device 3, and the assisting force is provided. The air guiding passage of the airbag 2 communicates with the air guiding hole 302 and is inclined downward in the direction of the air inlet 302a of the air guiding hole 302, so as to prevent the liquid medicine entering the power assisting airbag 2 from being completely returned during the operation. An air cleaner 1 is mounted on the booster airbag 2, and a gas guiding and liquid guiding connecting pipe 4 is connected to the lower port of the puncture device 3, and a collecting pipe having an inlet at the upper end is connected to the lower port of the air guiding and liquid guiding connecting pipe 4. The upper cover 5, the inlet of the upper cover 5 of the collecting pipe is provided with a liquid guiding hole 501, a guiding hole 503 and an air guiding hole 502, and the liquid collecting pipe upper cover 5 is connected with the liquid collecting pipe 8, and the connecting port is provided at the lower port of the liquid collecting pipe 8 10, the connecting member 10 is provided with a central hole in the longitudinal direction, an elastic sealing sleeve 9 is arranged at the upper end of the connecting member 10, and a hollow float 6 is arranged in the liquid collecting tube 8, and the upper end surface of the hollow floating piece 6 is a tapered surface. In order to prevent the chemical liquid from remaining on the hollow float, the hollow float 6 may be a split structure and is composed of an upper casing 601, a lower casing 602, and a connector 603 connected between the upper casing 601 and the lower casing 602. The upper end of the upper housing 601 is provided with an upper guiding rod 601a, the lower end of the lower housing 602 is provided with a tapered plug 602b, and the lower end of the tapered plug 602b is provided with a lower guiding rod 602a, and the upper guiding rod 601a and the lower guiding rod 602a are respectively inserted into the guiding holes 503 And the connecting member 10, the magnetic body 7 is disposed in the hollow float 6, the magnetic body 7 is preferably a magnet, and the magnetic body 7 is Platelet shaped and packaged within the hollow float 6; or, as shown, may also be a magnetic body 7 and annular insert 2 mounted on the outer surface of the hollow float 6. An audible and visual alarm device 11 having a reed switch or a magnetic switch 12 is attached to the outside of the sump 8, and the audible and visual alarm device 11 is hung on the header 5 of the sump. The reed switch or the magnetic switch 12 corresponds to the falling position of the magnetic body 7. The sound and light alarm device 11 can adopt three kinds of circuit forms. The first form is shown in FIG. 3, and is composed of a power supply 13, a reed switch or a magnetic switch 12, a light-emitting element 14, and an acoustic circuit 15 in a series circuit. The second form is shown in FIG. 4, and is composed of a power source 13, a reed switch or a magnetic switch 12, a light-emitting element 14 and an acoustic circuit 15, and the 12-end of the reed switch or the magnetic switch is connected in series with the power supply 13-end. The light-emitting element 14 and the acoustic circuit 15 are connected in parallel to the reed switch or the magnetic switch 12 and the other end of the power source 13 to prevent the normal sound of the acoustic circuit 15 from being disturbed when the light-emitting element operates. The third form is shown in FIG. 5. The sound and light alarm device 1 1 is composed of a dual power source 13, a reed switch or a magnetic switch 12, a light-emitting element 14 and an acoustic circuit 15, one of which is a power source, a reed switch or a magnetic circuit. The switch 12 and the light-emitting element 14 form a loop, another power source, and a dry The reed or magnetic switch 12 and the acoustic circuit 15 form another circuit, and the two circuits share a reed switch or a magnetic switch to prevent mutual interference of the two power circuits and loss of electric energy, which affects normal operation. The light-emitting element 14 can adopt a plurality of self-flashing light-emitting diodes and are located at different positions of the sound and light alarm device 11 so that the patient or the accompanying person can observe the alarm information in time, and the sound circuit 15 is composed of the sounding chip and the speaker. composition.

When in use, the infusion set is automatically stopped, and the connecting member 10 of the alarm device and the infusion set dripper are connected by an infusion tube. The liquid medicine enters the liquid collecting tube 8 through the liquid guiding hole 301 in the puncture device 3 and the liquid guiding hole 501 on the upper cover 5 of the liquid collecting tube, so that the hollow floating piece 6 floats, the liquid medicine enters the infusion set dripper, and then the infusion liquid The device is output to the patient's blood vessel. When the liquid medicine is about to be exhausted, the liquid level in the liquid collecting tube 8 is lowered, the hollow float 6 is moved downward, the tapered plug 602b falls into the elastic sealing sleeve 9, and the port on the elastic sealing sleeve 9 is blocked; meanwhile, the magnetic body 7 With the hollow float 6 falling, close to the reed switch or the magnetic switch 12, the reed switch or the magnetic switch 12 is actuated, the sound and light alarm circuit 11 is turned on, and the patient or the accompanying personnel are given an audible and visual alarm prompt to close the infusion switch in time. And inform the medical staff to promptly dial or change the medicine. When the drip patient needs to change the medicine to continue drip, insert the puncture device 3 into the bottle stopper or the pouch bag mouth that needs to be replaced, and then hold the inflating booster air bag 2 by hand, and then release the liquid guiding hole of the puncture device 3 after releasing the hand. 301 and air vent

The residual liquid in 302 is discharged into the collecting pipe 8, and the liquid collecting pipe 8 is quickly filled with the liquid medicine, and the infusion set drip is hand-picked, so that the hollow float 6 is drifted upward, the infusion channel is reopened, and the infusion is continued. Lose

Claims

Rights request

1. An automatic infusion and drip device for an infusion set, comprising a puncture device (3), a booster airbag (2) on the side of the puncture device (3), and an air filter on the booster airbag (2) (1) A gas guiding and liquid guiding pipe (4) is connected to the lower port of the puncture device (3), and a liquid collecting pipe upper cover (5) having an inlet at the upper end is connected to the lower port of the air guiding and liquid guiding connecting pipe (4). The inlet of the upper cover (5) of the collecting pipe is provided with a liquid guiding hole (501), a guiding hole (503) and an air guiding hole (502), and the upper cover (5) of the collecting pipe is connected with the liquid collecting pipe (8), in the set The lower port of the liquid pipe (8) is provided with a connecting member (10), the connecting member (10) is provided with a central hole in the longitudinal direction, and an elastic sealing sleeve (9) is arranged at the upper end of the connecting member (10), in the collecting tube (8) There is a hollow float (6), the upper end of the hollow float (6) is provided with an upper guide rod (601a), the lower end of the hollow float (6) is provided with a conical plug (602b), and the lower end of the conical plug (602b) is provided with a lower end The guide rod (602a), the upper guide rod (601a) and the lower guide rod (602a) are respectively inserted into the guide hole (503) and the connecting member (10), and are characterized by: a hollow float (6) The end face is a tapered surface, a magnetic body (7) is arranged on the hollow float (6), and an audible and visual alarm device (11) with a reed switch or a magnetic switch (12) is mounted outside the liquid collecting pipe (8). The reed switch or magnetic switch (12) corresponds to the falling position of the magnetic body (7).

2. The infusion set automatic drip and alarm device according to claim 1, wherein: the sound and light alarm device (11) comprises a power source (13), a reed switch or a magnetic switch (12), and a light-emitting element. (14) and audio circuit (15), the reed switch or magnetic switch (12) and power supply

(13) In series, the light-emitting element (14) and the audio circuit (15) are connected in parallel at the other end of the reed switch or magnetic switch (12) and the power supply (13).

3. The infusion set automatic drip stop and alarm device according to claim 2, wherein: the power source (13) is a dual power source (13), wherein one power source, a reed switch or a magnetic switch (12) and The light-emitting elements (14) form a loop, and the other power source, the reed switch or the magnetic switch (12) and the acoustic circuit (15) form another loop, and the two loops share a reed switch or a magnetic switch.

4. The infusion set automatic drip stop and alarm device according to claim 1, wherein: the air guiding passage of the boosting airbag (2) is along the air inlet of the air guiding hole (302) of the puncturing device (3). (302a) The direction is tilted downwards.

5. The automatic infusion and drip device of the infusion set according to claim 1, wherein: the upper airway and the lower airway of the piercing device (3) are in a wrong position.

6. The infusion set automatic drip stop and alarm device according to claim 1, wherein: the audible and visual alarm device (11) is hung on the liquid collecting tube upper cover (5).

7. The infusion set automatic drip stop and alarm device according to claim 1, wherein: the sound and light alarm device (11) is powered by a power source (13), a reed switch or a magnetic switch (12). The component (14) and the audio circuit (15) form a series circuit.

8. The infusion set automatic drip stop and alarm device according to claim 1, wherein the magnetic body (7) is a circular sheet-like body and is located in the hollow float (6).

9. The infusion set automatic drip stop and alarm device according to claim 1, wherein the magnetic body (7) is annular and located on an outer surface of the hollow float (6).

10 . The automatic infusion and alarm device of the infusion set according to claim 1 , wherein: the hollow float ( 6 ) is a split structure and is composed of an upper casing ( 601 ) and a lower casing ( 602 ) and A connector (603) connected between the upper casing (601) and the lower casing (602) is constructed.