CN215386845U

CN215386845U - Novel extracorporeal circulation pipeline

Info

Publication number: CN215386845U
Application number: CN202121483159.5U
Authority: CN
Inventors: 成家达; 姚筱; 郭丁花; 郭丝丝; 苏晛; 陈美玲; 张运惠; 康娟; 杨烨
Original assignee: Huizhou Third People's Hospital
Current assignee: Huizhou Third People's Hospital
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-04
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a novel extracorporeal circulation pipeline, which relates to the technical field of medical equipment and comprises a pipeline A port and a pipeline V port, wherein the pipeline A port is fixedly communicated with one end of a pipeline I, the other end of the pipeline I is fixedly communicated with one end of a blood sampling pipe I, the other end of the blood sampling pipe I is fixedly communicated with one end of a pipeline II, the other end of the pipeline II is fixedly communicated with one end of the blood sampling pipe in front of a blood filter, the other end of the blood sampling pipe in front of the blood filter is fixedly communicated with one end of the blood filter pipe, the other end of the blood filter pipe is fixedly communicated with one end of a pipeline III, the other end of the pipeline III is fixedly communicated with one end of the blood sampling pipe behind the blood filter, and the blood sampling pipe behind the blood filter is fixedly communicated with the side wall of a venous pot through another pipeline III; the utility model can make the blood return to the patient body without passing through the blood filter tube, thereby preventing the serious blood coagulation of the blood filter tube and the condition that the blood in the pipeline is not communicated, so that the external blood can not return to the patient body.

Description

Novel extracorporeal circulation pipeline

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a novel extracorporeal circulation pipeline.

Background

The medical equipment refers to instruments, equipment, appliances, materials or other articles which are used for human bodies independently or in combination, and also comprises required software, the basic conditions of the medical equipment for continuously improving the technical level of medical science are also important marks of the modernization degree, the medical equipment becomes an important field of modern medical treatment, and an extracorporeal circulation pipeline belongs to one kind of medical equipment.

The types of extracorporeal circulation pipelines produced on the market at present are many, and when most of the extracorporeal circulation pipelines are used, blood filter tubes on the extracorporeal circulation pipelines can be coagulated and blocked, so that blood flow is blocked, and blood in the extracorporeal circulation pipelines cannot return to the bodies of patients.

To this end, we propose a new extracorporeal circulation circuit to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the present invention is directed to a novel extracorporeal circulation circuit to solve the problems mentioned in the background stories.

In order to achieve the purpose, the utility model provides the following technical scheme:

a novel extracorporeal circulation pipeline comprises a pipeline A port and a pipeline V port, wherein the pipeline A port is fixedly communicated with one end of a pipeline I, the other end of the first pipeline is fixedly communicated with one end of the first blood sampling tube, the other end of the first blood sampling tube is fixedly communicated with one end of the second pipeline, the other end of the second pipeline is fixedly communicated with one end of the blood sampling tube in front of the blood filter, the other end of the blood sampling tube in front of the blood filter is fixedly communicated with one end of the blood filter tube, the other end of the blood filter tube is fixedly communicated with one end of the third pipeline, the other end of the third pipeline is fixedly communicated with one end of the blood collection tube behind the blood filter, and the blood collection tube behind the blood filter is fixedly communicated with the side wall of the first venous pot through another pipeline three, one end of the first venous pot is fixedly communicated with one end of the loop blood collection tube through a pipeline four, and the other end of the loop blood collection tube is fixedly communicated with the V port of the pipeline through another pipeline four.

Preferably, a first side branch pipe and a second side branch pipe are fixedly communicated with the second pipeline, the first side branch pipe and the second side branch pipe are arranged on one side of the blood filter pipe, the second side branch pipe is arranged on the side edge of the first side branch pipe, a third side branch pipe is fixedly communicated with the third pipeline, the third side branch pipe is arranged on the other side of the blood filter pipe, and the third side branch pipe can be in matched butt joint with the first side branch pipe or the second side branch pipe.

Preferably, the outer ends of the first side branch pipe and the second side branch pipe are communicated with an A-shaped interface or a V-shaped interface; the outer end of the third side branch pipe is communicated with a V-shaped interface or an A-shaped interface which is in matched butt joint with the first side branch pipe or the second side branch pipe.

Preferably, the first side branch pipe, the second side branch pipe and the third side branch pipe are all provided with safety clamps, and two ends of the hemofilter pipe are all provided with safety clamps.

Preferably, be equipped with artery kettle and second side branch pipe on the pipeline two, the output of artery kettle passes through pipeline two and the preceding heparin tube intercommunication of blood filter, second side branch pipe sets up before the artery kettle input to communicate with pipeline two, the inside filter screen that is equipped with of artery kettle, the outer end intercommunication of second side branch pipe has A shape interface or V-arrangement interface.

Preferably, a fourth branch pipe is arranged on the side edge of the arterial pot, one end of the fourth branch pipe is communicated with the arterial pot, and the other end of the fourth branch pipe is communicated with the second pipeline and is positioned between the output end of the arterial pot and the blood collection pipe in front of the blood filter.

Preferably, safety clips are mounted at both ends of the second and fourth side branch pipes.

Preferably, the first pipeline is fixedly communicated with a pre-pump administration tube, the first pipeline is fixedly communicated with a physiological saline adding tube, and the other end of the first venous kettle is fixedly communicated with a second venous return path tube and a venous side branch tube.

Preferably, a second loop venous pot is fixedly communicated with the second venous return path pipe, and the other end of the second loop venous pot is communicated with a second loop V port.

Preferably, all install the safety clamp on dosing tube, normal saline add pipe, the pipeline before the pump, also be provided with the safety clamp between return circuit heparin tube and the pipeline V port, vein second return line way pipe and vein side branch pipe also are provided with the safety clamp.

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

1. according to the utility model, the blood collecting tube before the blood filter and the blood collecting tube after the blood filter are added, so that blood collecting points are increased, and scientific research personnel can conveniently collect blood in different places, so that the scientific research requirements are facilitated.

2. In the utility model, an arterial pot can be added in front of the blood collection tube in front of the blood filter, a filter screen is arranged in the arterial pot for filtering coagulation to avoid the coagulation from blocking the pipeline, and when the filter screen in the arterial pot is blocked, the fourth branch tube can be opened to ensure that blood directly passes through the fourth branch tube from the pipeline and enters the blood collection tube in front of the blood filter, so that the condition that the whole pipeline is different due to the blockage of the arterial pot can be prevented.

3. In the utility model, medical care personnel can inject medicaments such as citric acid and the like into the administration tube phase pipeline in front of the pump, thereby providing convenience for infusing medicaments such as citric acid and the like.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of an extracorporeal circulation circuit according to the present invention;

FIG. 2 is a schematic view of the structure of a venous pot in an extracorporeal circulation circuit according to the present invention;

FIG. 3 is a schematic structural diagram of a second embodiment of the extracorporeal circulation circuit of the present invention.

In the figure: 1. a pipeline A port; 2. a first pipeline; 3. taking a blood sample; 4. a blood collection tube in front of the blood filter; 5. a pre-pump administration tube; 6. adding a tube of physiological saline; 7. a second pipeline; 8. a first side branch pipe; 9. a safety clip; 10. a blood filter tube; 11. a third side branch pipe; 12. a third pipeline; 13. a blood collection tube behind the blood filter; 14. a venous second return pathway tube; 15. a first venous pot; 16. a fourth pipeline; 17. a loop blood collection tube; 18. a pipeline V port; 19. a second circuit venous pot; 20. a second loop V port; 21. a second side branch pipe; 22. a venous side branch vessel; 23. the arteria cruris; 24. a fourth side branch pipe; 25. branch vessel at the side of the arterial ampulla.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-2, in the embodiment of the present invention, a novel extracorporeal circulation circuit includes a circuit a port 1 and a circuit V port 18, the circuit a port 1 is fixedly connected to one end of a circuit a 2, the other end of the circuit a 2 is fixedly connected to one end of a circuit a 3, the other end of the circuit a 3 is fixedly connected to one end of a circuit b 7, the other end of the circuit b 7 is fixedly connected to one end of a circuit b 4, the other end of the circuit b 4 is fixedly connected to one end of a circuit b 10, the other end of the circuit b 10 is fixedly connected to one end of a circuit c 12, the other end of the circuit c 12 is fixedly connected to one end of a circuit d 13, the circuit b 13 is fixedly connected to a side wall of a first venous pot 15 through another circuit c 12, and one end of the first venous pot 15 is fixedly connected to one end of a circuit d 17 through a circuit d 16, and the other end of the blood collection tube 17 is fixedly connected to the V-port 18 via another tube four 16.

It should be noted that: in the utility model, medical staff can take blood through the first blood sampling tube 3, the first blood sampling tube 4 before the blood filter, the second blood sampling tube 13 after the blood filter and the loop blood sampling tube 17, while the first blood sampling tube 3 and the loop blood sampling tube 17 in the existing clinical blood path tube are adopted, but blood sampling in different places is needed in scientific research in many times, and no blood sampling point is troublesome, so that the utility model adds the first blood sampling tube 4 before the blood filter and the second blood sampling tube 13 after the blood filter, thereby increasing the blood sampling point, facilitating the scientific research staff to take blood in different places and facilitating the scientific research demand,

as shown in fig. 1, a first side branch pipe 8 and a second side branch pipe 21 are fixedly communicated with the second pipeline 7, a third side branch pipe 11 is fixedly communicated with the third pipeline 12, and the third side branch pipe 11 can be matched and butted with the first side branch pipe 8 or the second side branch pipe 21; the first side branch pipe 8 and the second side branch pipe 21 are arranged on one side of the blood filter pipe 10, the third side branch pipe 11 is arranged on the other side of the blood filter pipe 10, and the second side branch pipe 21 is arranged on the side of the first side branch pipe 8; the outer ends of the first side branch pipe 8 and the second side branch pipe 21 are communicated with an A-shaped interface or a V-shaped interface; the outer end of the third side branch pipe 11 is communicated with a V-shaped interface or an A-shaped interface which is matched and butted with the first side branch pipe 8 or the second side branch pipe 21; in this embodiment, the first side branch pipe 8 and the second side branch pipe 21 both use a-shaped connectors, and the third side branch pipe 11 uses V-shaped connectors, so that the third side branch pipe 11 can be in butt joint communication with the first side branch pipe 8.

It should be noted that: in the utility model discloses, when blood filter pipe 10 blood coagulation blockked up, close the safety clamp 9 at blood filter pipe 10 both ends, connect first side branch pipe 8 and third side branch pipe 11 for blood passes through from first side branch pipe 8 and third side branch pipe 11, thereby makes blood need not pass through blood filter pipe 10 alright get back to patient internal with blood, thereby prevents that blood filter pipe 10 blood coagulation is serious and leads to the interior blood flow of pipeline not to lead to and make the blood of outside unable to get back to the internal condition of patient.

As shown in fig. 1: a front pump administration tube 5 is fixedly communicated with the pipeline I2, and a physiological saline adding tube 6 is fixedly communicated with the pipeline I2.

It should be noted that: the medical staff can inject the medicaments such as citric acid into the pipeline through the administration tube 5 in front of the pump, thereby providing convenience for infusing the medicaments such as the citric acid.

As shown in fig. 1 and 2: the other end of the first venous pot 15 is fixedly communicated with a venous second return path pipe 14 and a venous side branch pipe 22; a second loop venous pot 19 is fixedly communicated with the second venous return path pipe 14, and a second loop V port 20 is communicated with the other end of the second loop venous pot 19.

It should be noted that: when the first venous pot 15 is coagulated, the safety clamp 9 is closed, and the second venous return path tube 14 is opened, so that blood can be returned urgently.

As shown in fig. 1: all install safety clamp 9 before the pump on dosing tube 5, normal saline add pipe 6, first side branch pipe 8, second side branch pipe 21 and third side branch pipe 11, the both ends of blood filter pipe 10 all are provided with safety clamp 9, also install safety clamp 9 on pipeline 2, also be provided with safety clamp 9 between return circuit blood sampling pipe 17 and pipeline V port 18, vein second return transfusion path pipe 14 and vein side branch pipe 22 also are provided with safety clamp 9.

The working principle of the utility model is as follows: the utility model discloses in, medical personnel can be through heparin tube 3, heparin tube 4 before the blood filter, heparin tube 13 and return circuit heparin tube 17 take a blood sample behind the blood filter, and current clinical blood way pipe heparin tube 3 and return circuit heparin tube 17, but many times need take a blood sample in the place of difference doing the scientific research, it can be very troublesome not to have the blood sampling point, so the utility model discloses add heparin tube 13 behind heparin tube 4 and the blood filter before many blood filters, thereby increase the blood sampling point, make things convenient for the scientific research personnel to take a blood sample in the place of difference, thereby make things convenient for the scientific research demand, simultaneously when blood filter tube 10 clotting blockage, close the safety clamp 9 at blood filter tube 10 both ends, connect first side branch pipe 8 and third side branch pipe 11, make blood pass through from first side branch pipe 8 and third side branch pipe 11, thereby make blood need not get back to patient with blood through blood filter 10 alright, thereby prevent that blood filter tube 10 clotting serious and lead to the blood in the pipeline not through and make the blood of blood return to outside can's no longer Under the condition of a patient in vivo, medical care personnel can inject medicaments such as citric acid and the like into the 5-phase pipeline of the administration tube in front of the pump, thereby providing convenience for infusing the medicaments such as the citric acid and the like.

Example two:

as shown in fig. 3, another embodiment of the present invention is: the port 1 of the pipeline A is fixedly communicated with one end of a pipeline I2, the other end of the pipeline I2 is fixedly communicated with one end of a blood collection tube I3, the other end of the blood collection tube I3 is fixedly communicated with one end of a pipeline II 7, the other end of the pipeline II 7 is communicated with one end of an arterial pot 23, the other end of the arterial pot 23 is fixedly communicated with one end of a blood filter front blood collection tube 4 through another pipeline II 7, a filter screen is arranged in the arterial pot 23, the other end of the blood filter front blood collection tube 4 is fixedly communicated with one end of a blood filter tube 10, the other end of the blood filter tube 10 is fixedly communicated with one end of a pipeline III 12, the other end of the pipeline III 12 is fixedly communicated with one end of a blood filter rear blood collection tube 13, the blood filter rear blood collection tube 13 is fixedly communicated with the side wall of a first venous pot 15 through another pipeline III 12, and one end of the first venous pot 15 is fixedly communicated with one end of a loop blood collection tube 17 through a pipeline IV 16, and the other end of the loop blood sampling tube 17 is fixedly communicated with the pipeline V port 18 through another pipeline four 16, the side wall of the arterial pot 23 is fixedly communicated with one end of the fourth branch tube 24, the other end of the fourth branch tube 24 is fixedly communicated with the pipeline two 7 and is positioned between the output end of the arterial pot 23 and the blood filter front blood sampling tube 4, the two ends of the fourth branch tube 24 are respectively provided with a safety clamp 9, the input end of the arterial pot 23 is provided with an arterial pot side branch tube 25, and the arterial pot side branch tube 25 is provided with an installation clamp 9.

It should be noted that: when the arterial pot 23 is blocked, the two safety clamps 9 on the fourth branch pipe 24 are opened, so that the fourth branch pipe 24 is communicated, and blood can pass through the fourth branch pipe 24, thereby preventing the arterial pot 23 from being blocked to cause different pipelines.

As shown in fig. 3: a front pump administration tube 5 is fixedly communicated with the pipeline I2, and a physiological saline adding tube 6 is fixedly communicated with the pipeline I2.

As shown in fig. 2 and 3: the other end of the first venous pot 15 is fixedly communicated with a venous second return path pipe 14 and a venous side branch pipe 22; a second loop venous pot 19 is fixedly communicated with the second venous return path pipe 14, and a second loop V port 20 is communicated with the other end of the second loop venous pot 19.

As shown in fig. 3: all install safety clamp 9 before the pump on dosing tube 5, normal saline add pipe 6, first side branch pipe 8, second side branch pipe 21 and third side branch pipe 11, the both ends of blood filter pipe 10 all are provided with safety clamp 9, also install safety clamp 9 on pipeline 2, also be provided with safety clamp 9 between return circuit blood sampling pipe 17 and pipeline V port 18, vein second return transfusion path pipe 14 and vein side branch pipe 22 also are provided with safety clamp 9.

The working principle of the utility model is as follows: in the utility model, the medical staff can take blood through the first blood sampling tube 3, the first blood sampling tube 4 before the blood filter, the second blood sampling tube 13 after the blood filter and the loop blood sampling tube 17, but the blood sampling needs to be taken at different places in many times when the scientific research is carried out, and the blood taking point is not troublesome, so the utility model adds the first blood sampling tube 4 before the blood filter and the second blood sampling tube 13 after the blood filter, thereby increasing the blood taking point, facilitating the scientific research staff to take blood at different places, when the arterial pot 23 is blocked, two safety clamps 9 on the fourth side branch tube 24 are opened, thereby the fourth side branch tube 24 is communicated, the blood can pass through the fourth side branch tube 24, thereby preventing the situation that the whole pipeline is different due to the blockage of the arterial pot 23, the medical staff can inject medicaments such as citric acid into the 5-phase pipeline of the administration tube before the pump, thereby providing convenience for infusing citric acid and other medicaments.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, should not be taken as limiting, and it should be noted that the terms "mounted" and "connected" are intended to be broadly construed, and include, for example, either fixed or removable connections, or integrally formed, mechanically connected, or indirectly connected through an intermediate medium, and the specific meaning of the terms in the present application can be understood through specific situations.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel extracorporeal circulation pipeline comprises a pipeline A port (1) and a pipeline V port (18), and is characterized in that the pipeline A port (1) is fixedly communicated with one end of a pipeline I (2), the other end of the pipeline I (2) is fixedly communicated with one end of a blood sampling pipe I (3), the other end of the blood sampling pipe I (3) is fixedly communicated with one end of a pipeline II (7), the other end of the pipeline II (7) is fixedly communicated with one end of a blood sampling pipe (4) in front of a blood filter, the other end of the blood sampling pipe (4) in front of the blood filter is fixedly communicated with one end of a blood filter pipe (10), the other end of the blood filter pipe (10) is fixedly communicated with one end of a pipeline III (12), the other end of the pipeline III (12) is fixedly communicated with one end of a blood sampling pipe (13) behind the blood filter, and the blood sampling pipe (13) behind the blood filter is fixedly communicated with the side wall of a first pot vein (15) through another pipeline III (12), and one end of the first venous pot (15) is fixedly communicated with one end of the loop blood collection tube (17) through a fourth pipeline (16), and the other end of the loop blood collection tube (17) is fixedly communicated with a V-shaped port (18) of the pipeline through the other fourth pipeline (16).

2. The novel extracorporeal circulation circuit of claim 1, wherein a second conduit (7) is fixedly communicated with a first side branch tube (8) and a second side branch tube (21), the first side branch tube (8) and the second side branch tube (21) are arranged on one side of the hemofilter tube (10), the second side branch tube (21) is arranged on the side of the first side branch tube (8), a third conduit (12) is fixedly communicated with a third side branch tube (11), the third side branch tube (11) is arranged on the other side of the hemofilter tube (10), and the third side branch tube (11) can be in fit butt joint with the first side branch tube (8) or the second side branch tube (21).

3. The novel extracorporeal circulation circuit of claim 2, wherein the outer ends of the first side branch pipe (8) and the second side branch pipe (21) are communicated with an A-shaped interface or a V-shaped interface; the outer end of the third side branch pipe (11) is communicated with a V-shaped interface or an A-shaped interface which is in matched butt joint with the first side branch pipe (8) or the second side branch pipe (21).

4. The novel extracorporeal circulation circuit according to claim 3, wherein safety clamps (9) are mounted on the first side branch (8), the second side branch (21) and the third side branch (11), and the safety clamps (9) are disposed at both ends of the hemofilter tube (10).

5. The novel extracorporeal circulation circuit according to claim 1, wherein an arterial pot (23) and a second side branch (21) are provided on the second conduit (7), the output end of the arterial pot (23) is communicated with the blood collection tube (4) before the blood filter through the second conduit (7), the second side branch (21) is provided in front of the input end of the arterial pot (23) and is communicated with the second conduit (7), a filter screen is provided inside the arterial pot (23), and the outer end of the second side branch (21) is communicated with an a-shaped port or a V-shaped port.

6. The new extracorporeal circulation circuit of claim 5, wherein the lateral side of the arterial pot (23) is provided with a fourth branch tube (24), and one end of the fourth branch tube (24) is communicated with the arterial pot (23), and the other end is communicated with the second conduit (7) and is located between the output end of the arterial pot (23) and the blood collection tube (4) in front of the blood filter.

7. The novel extracorporeal circuit of claim 6, wherein safety clamps (9) are mounted to both ends of the second and fourth side branch tubes (21, 24).

8. The novel extracorporeal circulation circuit according to claim 5 or 7, wherein the first conduit (2) is fixedly communicated with a pre-pump administration tube (5), the first conduit (2) is fixedly communicated with a physiological saline adding tube (6), and the other end of the first venous kettle (15) is fixedly communicated with a second venous return path tube (14) and a venous side branch tube (22).

9. The novel extracorporeal circulation circuit of claim 8, wherein a second loop venous pot (19) is fixedly connected to the second venous return path tube (14), and a second loop V port (20) is connected to the other end of the second loop venous pot (19).

10. The novel extracorporeal circulation circuit of claim 9, wherein safety clamps (9) are mounted on the pre-pump administration tube (5), the physiological saline feeding tube (6) and the first pipeline (2), the safety clamps (9) are also arranged between the loop blood collection tube (17) and the V port (18) of the first pipeline, and the safety clamps (9) are also arranged on the venous second loop path tube (14) and the venous side branch tube (22).