CN220938684U - Simple and easy specific blood way pipe device of plasmapheresis - Google Patents

Abstract

The utility model discloses a simple plasma exchange specific blood path tube device which comprises an arterial tube, a venous tube, a flusher, a waste liquid bag, a replacement liquid tube and a waste liquid tube. Before plasma exchange, a flusher, an arterial line, a plasma separator, a venous line, a waste liquid line and a waste liquid bag are connected in sequence, and the flusher is used for pre-flushing physiological saline to the blood path tube device. The simple plasma exchange specific blood path tube device can replace a CRRT machine to exchange plasma for patients through the combination of the blood vessel machine or the perfusion machine and the plasma separator, solves the problem that the CRRT machine of a primary hospital is insufficient or does not have the CRRT machine, timely treats the patients, simultaneously saves the treatment cost of the patients and lightens the economic burden of the patients.

Description

Simple and easy specific blood way pipe device of plasmapheresis

Technical Field

The utility model relates to the technical field of blood path tube devices, and particularly discloses a simple plasma exchange specific blood path tube device.

Background

Plasma Exchange (PE) is a process of separating whole blood from the body into plasma and cellular components, discarding the plasma of a patient, and then replacing the separated plasma with a substitute of fresh plasma, albumin solution, equilibration solution and the like at the same speed for reinfusion into the body, thereby achieving the purposes of reducing pathological damage and eliminating pathogenic substances. Plasmapheresis has become a common extracorporeal blood purification therapy. Plasma exchange is typically performed using CRRT machines, which are costly and not all hospitals are equipped with CRRT machines. When a hospital does not have a CRRT machine or the CRRT machine is insufficient, the treatment opportunity of a patient is easily delayed; and the cost of one treatment with CRRT machines is also high, the economic burden on the patient is heavy.

Disclosure of utility model

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a simple plasma exchange specific blood vessel device which can replace a CRRT machine to exchange plasma, solve the problem that some primary hospitals do not have the CRRT machine or the CRRT machine is insufficient, timely treat patients, save the treatment cost of the patients and reduce the economic burden of the patients.

In order to achieve the above purpose, the utility model provides a simple and easy blood plasma exchange specific blood vessel device, which comprises an arterial pipeline, a venous pipeline, a flusher and a waste liquid bag, wherein two ends of the arterial pipeline are respectively connected with an indwelling needle and a blood plasma separator and are used for drawing blood, two ends of a venous pipeline are respectively connected with the indwelling needle and the blood plasma separator and are used for blood transfusion, the flusher is used for pre-flushing normal saline for the blood vessel device, and the waste liquid bag is used for collecting waste liquid generated by blood plasma exchange; the device also comprises a replacement liquid pipeline and a waste liquid pipeline, wherein two ends of the replacement liquid pipeline are respectively connected with the replacement liquid bag and the vein pipeline and are used for conveying the replacement liquid; one end of the waste liquid pipeline is connected with the plasma separator, the other end of the waste liquid pipeline is fixedly connected with the waste liquid bag, and the waste liquid pipeline is used for conveying waste liquid separated by the plasma separator into the waste liquid bag.

Specifically, the arterial line includes first body, pump body and second body, and the one end of first body is provided with A input interface, is provided with hemostatic clamp on the first body, and the other end of first body is connected in the one end of pump body through first three way connection, and the one end of second body is connected in the other end of pump body through second three way connection, and the other end of second body is provided with B output interface, is provided with the arterial kettle on the second body, and first three way connection is connected with the pressure measurement and is divided the pipe, and second three way connection is connected with and adds heparin and divide the pipe.

Specifically, the venous line includes the third body, and the both ends of third body are provided with E input interface and F output interface respectively, are provided with first venous kettle and hemostatic clamp on the third body, and first venous kettle is close to E input interface setting, and hemostatic clamp is close to F output interface setting.

Specifically, the replacement liquid pipeline comprises a fourth pipe body and two fifth pipe bodies, one end of the fourth pipe body is connected with one ends of the two fifth pipe bodies through Y-shaped connectors respectively, a second venous kettle and an infusion pump are arranged on the fourth pipe body, an I output interface is arranged at the other end of the fourth pipe body, a G puncture needle and an H puncture needle are arranged at the other ends of the two fifth pipe bodies respectively, and hemostatic clamps are arranged on the fourth pipe body and the two fifth pipe bodies.

Specifically, the waste liquid pipeline comprises a sixth pipe body, one end of the sixth pipe body, which is far away from the waste liquid bag, is provided with an N input interface, and a third venous kettle, an infusion pump and a hemostatic clamp are sequentially arranged on the sixth pipe body from the N input interface to the waste liquid bag.

Specifically, the arterial kettle, the first venous kettle, the second venous kettle and the third venous kettle are all provided with a pressure measuring branch pipe and an exhaust branch pipe.

Specifically, the first venous kettle is provided with a connecting branch pipe, the connecting branch pipe is provided with a J input interface, and the J input interface is used for connecting an I output interface of a replacement liquid pipeline.

The utility model has the beneficial effects that: the utility model relates to a simple plasma exchange specific blood path tube device, which comprises an arterial pipeline, a venous pipeline, a flusher, a waste liquid bag, a replacement liquid pipeline and a waste liquid pipeline. Before plasma exchange, a flusher, an arterial line, a plasma separator, a venous line, a waste liquid line and a waste liquid bag are connected in sequence, and the flusher is used for pre-flushing physiological saline to the blood path tube device. After pre-flushing normal saline, respectively connecting an arterial pipeline and a venous pipeline at an inlet and an outlet of a plasma separator, connecting a waste liquid pipeline at a waste liquid outlet of the plasma separator, connecting a replacement liquid pipeline to a replacement liquid bag and a venous pipeline, mounting the arterial pipeline on a hemodialysis machine or a perfusion machine, finally respectively connecting the arterial pipeline and the venous pipeline with a detained needle which punctures a blood vessel of a patient, starting the hemodialysis machine or the perfusion machine to extract blood in the patient, separating plasma in the blood by the plasma separator, conveying the blood after plasma separation back to the patient through the venous pipeline, conveying the replacement liquid in the replacement liquid bag into the patient through the replacement liquid pipeline and the venous pipeline, and leading waste plasma separated through the plasma separator to flow into the waste liquid bag through the waste liquid pipeline. The simple plasma exchange specific blood path tube device can replace a CRRT machine to exchange plasma for patients through the combination of the blood vessel machine or the perfusion machine and the plasma separator, solves the problem that the CRRT machine of a primary hospital is insufficient or does not have the CRRT machine, timely treats the patients, simultaneously saves the treatment cost of the patients and lightens the economic burden of the patients.

Drawings

FIG. 1 is a schematic diagram of an arterial line of the present utility model;

FIG. 2 is a schematic view of the venous line of the present utility model;

FIG. 3 is a schematic diagram of a displacement fluid line according to the present utility model;

FIG. 4 is a schematic diagram of the structure of the waste line and waste bag of the present utility model;

FIG. 5 is a schematic view of the structure of the flusher of the present utility model;

FIG. 6 is a schematic view of the structure of the plasma separator of the present utility model;

Fig. 7 is a schematic view of the piping structure of the present utility model.

The reference numerals include:

1-arterial line 11-first tube 12-pump tube

13-Second tube 14-A input interface 15-hemostatic clip

16-B output interface 17-arterial kettle 18-pressure measuring branch pipe

19-Heparin adding branched pipe

2-Venous line 21-third tube 22-E input interface

23-F output interface 24-first venous kettle 25-exhaust branch pipe

26-Connection branch 27-J input interface

3-Flusher 31-O input interface 32-P output interface

4-Waste liquid bag 41-liquid discharge valve 42-hanging ring

5-Plasma separator 51-C input interface 52-D output interface

53-K waste liquid outlet

6-Replacement liquid pipeline 61-fourth pipe 62-fifth pipe

63-Second venous kettle 64-infusion pump 65-I output interface

66-G puncture needle 67-H puncture needle

7-Waste liquid pipeline 71-sixth pipe body 72-N input interface

73-Third venous pot

8-Piping 81-L input port 82-M output port.

Detailed Description

The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.

Referring to fig. 1 to 7, the simple specific blood tube device for plasma exchange of the present utility model includes an arterial line 1, a venous line 2, a flusher 3 and a waste liquid bag 4, wherein the volume of the waste liquid bag 4 is not less than 3000 ml, a hole 42 for hanging is arranged at the top of the waste liquid bag 4, a liquid discharge valve 41 for discharging waste liquid is arranged at the bottom of the waste liquid bag 4, and when the waste liquid bag 4 is about to be filled and the plasma exchange is not finished, the liquid discharge valve 41 can be opened to pour the waste liquid in the waste liquid bag 4; the two ends of the arterial pipeline 1 are respectively connected with the indwelling needle and the plasma separator 5 and used for drawing blood, the two ends of the intravenous tube are respectively connected with the indwelling needle and the plasma separator 5 and used for blood transfusion, the flusher 3 is used for pre-flushing physiological saline to the blood pipeline device, and the waste liquid bag 4 is used for collecting waste liquid generated by plasma replacement; the device also comprises a replacement liquid pipeline 6 and a waste liquid pipeline 7, wherein two ends of the replacement liquid pipeline 6 are respectively connected with the replacement liquid bag and the venous pipeline 2 and are used for conveying the replacement liquid; one end of a waste liquid pipeline 7 is connected to the plasma separator 5, the other end of the waste liquid pipeline 7 is fixedly connected with the waste liquid bag 4, and the waste liquid pipeline 7 is used for conveying waste liquid separated by the plasma separator 5 into the waste liquid bag 4. The flusher 3 and the plasma separator 5 are both of the prior art, and the plasma separator 5 is further provided with a detachable pipe 8, and the specific structure and principle thereof will not be described herein. For easy understanding, the two ends of the flusher 3 are respectively an O input interface 31 and a P output interface 32; the plasma separator 5 is provided with a C-input port 51, a D-output port 52, and a K-waste liquid outlet 53, and both ends of the pipe 8 are respectively an L-input port 81 and an M-output port 82.

When pre-flushing normal saline, the specific connection of the simple plasma exchange specific blood path tube device is as follows: the P output interface 32 of flusher 3 connects the input of arterial line 1, and the C input interface 51 of plasma separator 5 is connected to the output of arterial line 1, and the D output interface 52 of plasma separator 5 connects the input of venous line 2, and the input of waste liquid pipeline 7 is connected to the output of venous line 2, and waste liquid bag 4 is connected to the output of waste liquid pipeline 7, and normal saline gets into from the O input interface 31 of flusher 3.

When plasma exchange is performed, the connection of the simple plasma exchange specific blood path device is as follows: the indwelling needle penetrating the arterial blood vessel of the patient is connected with the input end of the arterial pipeline 1, the arterial pipeline 1 is arranged on a blood pump of an external hemodialysis machine or perfusion machine, the output end of the arterial pipeline 1 is connected with an O input interface 31 of a plasma separator 5, a P output interface 32 of the plasma separator 5 is connected with the input end of a venous pipeline 2, the input end of a replacement liquid pipeline 6 is connected with a replacement liquid bag, the output end of the replacement liquid pipeline 6 is connected with the venous pipeline 2, and the output end of the venous pipeline 2 is connected with the indwelling needle penetrating the venous blood vessel of the patient; the K waste liquid outlet 53 of the plasma separator 5 is connected to the L input port 81 of the piping 8, the M output port 82 of the piping 8 is connected to the input end of the waste liquid line 7, and the output end of the waste liquid line 7 is fixedly connected to the waste liquid bag 4. The blood pump of the hemodialysis machine or perfusion machine is used for drawing blood, and the simple plasma exchange specific blood path tube device is provided with other accessories required for plasma exchange, such as a hemostatic clip 15, an arterial kettle 17, a venous kettle, a pressure measuring branch tube 18 and the like.

The simple plasma exchange specific blood path tube device can replace a CRRT machine to exchange plasma for patients through the combination of the blood vessel machine or the perfusion machine and the plasma separator 5, solves the problem that the CRRT machine of a primary hospital is insufficient or does not have the CRRT machine, timely treats the patients, simultaneously saves the treatment cost of the patients and lightens the economic burden of the patients.

Referring to fig. 1, an arterial line 1 includes a first tube 11, a pump tube 12 and a second tube 13, wherein an input port 14 is provided at one end of the first tube 11, a hemostatic clip 15 is provided on the first tube 11, the other end of the first tube 11 is connected to one end of the pump tube 12 via a first three-way joint, one end of the second tube 13 is connected to the other end of the pump tube 12 via a second three-way joint, an output port 16 is provided at the other end of the second tube 13, an arterial kettle 17 is provided on the second tube 13, a pressure measuring branch pipe 18 is connected to the first three-way joint, and an heparin adding branch pipe 19 is connected to the second three-way joint. The A input interface 14 is used for connecting an indwelling needle which is punctured in an arterial blood vessel of a patient, the pump tube body 12 is used for being installed on a blood pump of an external hemodialysis machine or a perfusion machine, the hemostatic clamp 15 is used for clamping the first tube body 11 at a specific moment, the pressure measuring branch tube 18 is used for testing arterial pressure to ensure life safety of the patient, the heparin adding branch tube 19 is used for injecting heparin adding to prevent coagulation, the arterial kettle 17 is used for collecting air in the arterial pipeline 1 and discharging and monitoring pressure, and the B output interface 16 is used for connecting the C input interface 51 of the plasma separator 5.

Referring to fig. 2, the venous line 2 includes a third tube 21, two ends of the third tube 21 are respectively provided with an E input interface 22 and an F output interface 23, a first venous kettle 24 and a hemostatic clip 15 are disposed on the third tube 21, the first venous kettle 24 is disposed near the E input interface 22, and the hemostatic clip 15 is disposed near the F output interface 23. The E input interface 22 is used for connecting with the D output interface 52 of the plasma separator 5, the first venous pot 24 is used for exhausting, measuring pressure and injecting medicament, the hemostatic clamp 15 is used for clamping the third tube 21 at a specific moment, and the F output interface 23 is used for connecting with an indwelling needle penetrating into a vein of a patient.

Referring to fig. 3, the replacement fluid pipeline 6 includes a fourth pipe body 61 and two fifth pipe bodies 62, the thickness of the fourth pipe body 61 is the same as that of a common infusion tube, one end of the fourth pipe body 61 is connected with one ends of the two fifth pipe bodies 62 via a Y-shaped joint, a second venous kettle 63 and an infusion pump 64 are arranged on the fourth pipe body 61, an I output interface 65 is arranged at the other end of the fourth pipe body 61, a G puncture needle 66 and an H puncture needle 67 are respectively arranged at the other ends of the two fifth pipe bodies 62, and hemostatic clips 15 are arranged on the fourth pipe body 61 and the two fifth pipe bodies 62. The G puncture needle 66 and the H puncture needle 67 are sleeved with protective sleeves, the G puncture needle 66 and the H puncture needle 67 are used for puncturing the bag openings of the replacement liquid bags, and the circulation conditions of the two fifth pipe bodies 62 are regulated and controlled through the hemostatic clips 15 so as to regulate the conveying of the two replacement liquid bags. The second venous pot 63 is used for exhausting, measuring pressure and injecting medicament, the infusion pump 64 is used for adjusting the flow rate of the replacement liquid in the fourth tube body 61, the hemostatic clamp 15 on the fourth tube body 61 is used for clamping the fourth tube body 61 at a specific moment, and the I output interface 65 is used for connecting the first venous pot 24 to be communicated with the venous line 2.

Referring to fig. 4, the waste liquid pipeline 7 includes a sixth pipe 71, the thickness of the sixth pipe 71 is the same as that of a common infusion tube, an N input interface 72 is disposed at one end of the sixth pipe 71 far away from the waste liquid bag 4, and a third venous pot 73, an infusion pump 64 and a hemostatic clip 15 are sequentially disposed on the sixth pipe 71 from the N input interface 72 to the waste liquid bag 4. The N input port 72 is used to connect with the M output port 82 of the tubing 8, the third venous pot 73 is used to vent, measure pressure, and inject medicine, the infusion pump 64 is used to adjust the flow rate of the waste liquid of the sixth tube 71, and the hemostatic clamp 15 is used to clamp the sixth tube 71 at a specific time.

Referring to fig. 1 to 4, the arterial pitcher 17, the first venous pitcher 24, the second venous pitcher 63, and the third venous pitcher 73 are each provided with a pressure manifold 18 and an exhaust manifold 25. The pressure measuring branch pipe 18 is used for measuring the pressures of the arterial line 1, the venous line 2, the substitution liquid line 6 and the waste liquid line 7 to control the flow rate in the pipe, and the exhaust branch pipe 25 is used for exhausting air in the pipe.

Referring to fig. 2, the first venous bottle 24 is provided with a connecting branch 26, the connecting branch 26 is provided with a J-input interface 27, and the J-input interface 27 is used for connecting with an I-output interface 65 of the replacement fluid pipeline 6.

The arterial line 1, the venous line 2, the replacement liquid line 6, the waste liquid line 7 and the waste liquid bag 4 of the simple plasma replacement specific blood line device are sold in a matched mode, a flusher 3 can be further arranged, and each input interface and each output interface adopt a conventional pipeline spiral interface structure.

The specific connection of the simple plasma exchange specific blood path tube device during plasma exchange is as follows: the indwelling needle is connected with the input interface A14, the output interface B16 is connected with the input interface C51, the output interface D52 is connected with the input interface E22, and the output interface F23 is connected with the indwelling needle; the G puncture needle 66 and the H puncture needle 67 are respectively connected with two replacement liquid bags, and the I output interface 65 is connected with the J input interface 27; the K waste liquid outlet 53 is connected with the L input interface 81, and the M output interface 82 is connected with the N input interface 72.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (7)

1. A simple and easy blood circuit device of blood plasma replacement, including arterial line (1), venous line (2), flusher (3) and waste liquid bag (4), both ends of arterial line (1) connect and keep somewhere needle and plasma separator (5) and are used for drawing blood respectively, both ends of venous line (2) connect and keep somewhere needle and plasma separator (5) and are used for blood transfusion respectively, flusher (3) are used for carrying on the pre-flushing normal saline to the blood circuit device, waste liquid bag (4) are used for collecting the waste liquid that the blood plasma replacement produced; the method is characterized in that: the device also comprises a replacement liquid pipeline (6) and a waste liquid pipeline (7), wherein two ends of the replacement liquid pipeline (6) are respectively connected with the replacement liquid bag and the venous pipeline (2) and are used for conveying the replacement liquid; one end of a waste liquid pipeline (7) is connected with the plasma separator (5), the other end of the waste liquid pipeline (7) is fixedly connected with the waste liquid bag (4), and the waste liquid pipeline (7) is used for conveying waste liquid separated by the plasma separator (5) into the waste liquid bag (4).

2. The simple plasmapheresis specific vascular device of claim 1, wherein: arterial line (1) is including first body (11), pump body (12) and second body (13), the one end of first body (11) is provided with A input interface (14), be provided with hemostatic clamp (15) on first body (11), the other end of first body (11) is connected in the one end of pump body (12) through first three way connection, the one end of second body (13) is connected in the other end of pump body (12) through second three way connection, the other end of second body (13) is provided with B output interface (16), be provided with arterial kettle (17) on second body (13), first three way connection is connected with pressure measurement branch pipe (18), second three way connection is connected with and adds heparin branch pipe (19).

3. The simple plasmapheresis specific vascular device of claim 1, wherein: the venous pipeline (2) comprises a third pipe body (21), two ends of the third pipe body (21) are respectively provided with an E input interface (22) and an F output interface (23), a first venous kettle (24) and a hemostatic clamp (15) are arranged on the third pipe body (21), the first venous kettle (24) is close to the E input interface (22), and the hemostatic clamp (15) is close to the F output interface (23).

4. The simple plasmapheresis specific vascular device of claim 1, wherein: the replacement liquid pipeline (6) comprises a fourth pipe body (61) and two fifth pipe bodies (62), one end of the fourth pipe body (61) is connected with one ends of the two fifth pipe bodies (62) through Y-shaped connectors respectively, a second venous kettle (63) and an infusion pump (64) are arranged on the fourth pipe body (61), an I output interface (65) is arranged at the other end of the fourth pipe body (61), a G puncture needle (66) and an H puncture needle (67) are arranged at the other ends of the two fifth pipe bodies (62) respectively, and hemostatic clips (15) are arranged on the fourth pipe body (61) and the two fifth pipe bodies (62).

5. The simple plasmapheresis specific vascular device of claim 1, wherein: the waste liquid pipeline (7) comprises a sixth pipe body (71), an N input interface (72) is arranged at one end, far away from the waste liquid bag (4), of the sixth pipe body (71), and a third venous kettle (73), an infusion pump (64) and a hemostatic clamp (15) are sequentially arranged on the sixth pipe body (71) from the N input interface (72) to the waste liquid bag (4).

6. The simplified plasmapheresis specific vascular device of claim 2, 3, 4 or 5, wherein: the arterial kettle (17), the first venous kettle (24), the second venous kettle (63) and the third venous kettle (73) are respectively provided with a pressure measuring branch pipe (18) and an exhaust branch pipe (25).

7. The simple plasmapheresis specific vascular device of claim 3 or 4, wherein: the first venous kettle (24) is provided with a connecting branch pipe (26), the connecting branch pipe (26) is provided with a J input interface (27), and the J input interface (27) is used for connecting an I output interface (65) of the replacement liquid pipeline (6).