CN219001392U - Medical membrane oxygenator circulation cover package - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, and discloses a medical membrane type oxygenator circulating sleeve, which comprises an oxygenator main body, a venous blood inlet end and an arterial blood outlet end, wherein one end of the venous blood inlet end is communicated with a first connecting pipe, the other end of the first connecting pipe is communicated with a second connecting pipe, and the other end of the second connecting pipe is communicated with a first blood sampling interface; the utility model structurally realizes the quick connection of the venous blood inlet end and the arterial blood outlet end with the arterial and venous connecting sheath tube of the human body, reduces the risks of venous thrombosis and arterial massive hemorrhage, and simultaneously increases a plurality of blood gas parameter measuring interfaces, so that the utility model can timely measure the functions of blood pressure, blood temperature, flow, analysis of components in blood, platelet destruction and the like of a patient through the blood gas parameter interfaces in operation of doctors, the centrifugal pump provides power for the whole jacket, the oxygenator body contains membrane wires to convert venous blood into arterial blood, and then the blood is subjected to constant temperature through an external constant temperature water cavity.

Description

Medical membrane oxygenator circulation cover package

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a circulating sleeve of a medical membrane type oxygenator.

Background

The membrane oxygenator principle is that the body venous blood drained out is oxygenated and carbon dioxide is discharged in the membrane oxygenator, so that arterial blood is changed, and then the arterial blood is returned to the body of a patient, and the supply of oxygenated blood of the organ tissues of the human body is maintained. The novel open heart surgical mask can temporarily replace the effect of the lung in the open heart surgical process, provides a relatively clear surgical field for doctors, and is convenient for the implementation of surgery. Because of technical limitations, the existing materials and bags can only be used for 7 days, blood gas parameters are obviously reduced, the bag has a complicated structure, is inconvenient to use, has a single function, is inconvenient for medical staff to measure the blood gas parameters of patients, and still has an optimization space.

Disclosure of Invention

The utility model aims to provide a medical membrane oxygenator circulating sleeve to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a medical diaphragm type oxygenator circulation package, includes oxygenator main part, venous blood inlet end and arterial blood outlet end, venous blood inlet end's one end intercommunication has first connecting tube, the other end intercommunication of first connecting tube has the second connecting tube, the other end intercommunication of second connecting tube has first blood sampling interface, the inlet department intercommunication of oxygenator main part has the fourth connecting tube, the other end intercommunication of fourth connecting tube has the second blood sampling interface, the other end intercommunication of second blood sampling interface has the centrifugal pump, the entry intercommunication of centrifugal pump has the third connecting tube, and third connecting tube communicates with first blood sampling interface each other, the bleeding mouth department intercommunication of oxygenator main part has the fifth connecting tube, the other end intercommunication of fifth connecting tube has the third blood sampling interface, the one end intercommunication of arterial blood bleeding end has the seventh connecting tube, the other end intercommunication of seventh connecting tube has the sixth connecting tube, the other end and the mutual intercommunication of third connecting tube, the inside of oxygenator main part has the inside water cavity to put through the outside of the constant temperature and put the water cavity and put the outside of the water cavity and put the inside the heat.

Preferably, the second connecting pipe and the sixth connecting pipe are respectively provided with an anticoagulation coating, and the thickness of the anticoagulation coating is 10-100 μm.

Preferably, the surface of the first connecting tube is provided with a blood inlet end hemostatic clamp, and the surface of the seventh connecting tube is also provided with a blood outlet end hemostatic clamp.

Preferably, the second connecting tube is a blood path blue label indication pipeline, and the sixth connecting tube is a blood path red label indication pipeline.

Preferably, the surface of the venous blood inlet end is movably connected with a first plastic cap, and the surface of the arterial blood outlet end is movably connected with a second plastic cap.

Preferably, the external pipeline with the built-in water cavity is provided with a temperature sensor, a pressure sensor and a flow sensor.

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

the utility model structurally realizes the quick connection of the venous blood inlet end and the arterial blood outlet end with the arterial and venous connecting sheath tube of the human body, reduces the risks of venous thrombosis and arterial massive hemorrhage, and simultaneously increases a plurality of blood gas parameter measuring interfaces, so that the utility model can timely measure the functions of blood pressure, blood temperature, flow, component analysis in blood, platelet destruction and the like of a patient through the blood gas parameter interfaces in operation by a doctor, the centrifugal pump provides power for the whole bag, the oxygenator body contains membrane wires to convert venous blood into arterial blood, and the blood is heated at constant temperature through an external constant temperature heating water cavity so as to ensure the temperature of the human body and the blood, and the service life of the circulating bag can be prolonged through a coating technology.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the various structures of the present utility model in combination;

FIG. 3 is a schematic view of a partial cross-sectional structure of an oxygenator body according to the present utility model;

FIG. 4 is a cross-sectional view of a second connecting tube according to the present utility model;

fig. 5 is a cross-sectional view of a sixth connecting tube in the present utility model.

In the figure: 1. an oxygenator body; 2. venous blood inlet end; 3. a first connecting pipe; 4. a second connecting pipe; 5. a first blood sampling port; 6. a third connecting pipe; 7. a centrifugal pump; 8. a second blood sampling port; 9. a fourth connecting tube; 10. a fifth connecting pipe; 11. a third blood collection port; 12. a sixth connecting tube; 13. a seventh connecting tube; 14. arterial blood bleeding end; 15. a hemostatic clamp at the blood inlet end; 16. a bleeding end hemostatic clip; 17. a water cavity is arranged in the water cavity; 18. a heating interface; 19. an anticoagulant coating; 20. a first plastic cap; 21. a second plastic cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a medical membrane oxygenator circulation kit comprises an oxygenator main body 1, a venous blood inlet end 2 and an arterial blood bleeding end 14, wherein one end of the venous blood inlet end 2 is communicated with a first connecting pipe 3, the other end of the first connecting pipe 3 is communicated with a second connecting pipe 4, the second connecting pipe 4 is a blood path blue label indication pipeline, a blue second connecting pipe 4 is marked to remind a medical staff that venous blood enters the pipeline, the other end of the second connecting pipe 4 is communicated with a first blood sampling interface 5, a blood inlet of the oxygenator main body 1 is communicated with a fourth connecting pipe 9, the other end of the fourth connecting pipe 9 is communicated with a second blood sampling interface 8, the other end of the second blood sampling interface 8 is communicated with a centrifugal pump 7, an inlet of the centrifugal pump 7 is communicated with a third connecting pipe 6, the third connecting pipe 6 is communicated with the first blood sampling interface 5, the other end of the fifth connecting pipe 10 is communicated with a third interface 11, the other end of the seventh connecting pipe 14 is communicated with a blood temperature sensor 12, the other end of the seventh connecting pipe is communicated with the blood vessel through a third connecting pipe 12, the blood temperature sensor is communicated with the blood inlet of the arterial blood vessel, and the blood temperature sensor is communicated with the blood vessel through the third connecting pipe 12, and the blood vessel is communicated with the blood vessel through the blood inlet of the blood tank, and the blood tank is communicated with the blood tank through the blood, and the blood tank is provided with the blood by the blood through the blood tank through the blood.

The venous blood inlet end 2 is connected with the first connecting pipe 3 through a medical quick connector, the arterial blood outlet end 14 is connected with the seventh connecting pipe 13 through the medical quick connector, the connection mode is changed to be easier to operate through the quick connector, other pipelines of the device are also connected through the medical quick connector, the anticoagulant coating 19 is arranged in the second connecting pipe 4 and the sixth connecting pipe 12, the thickness of the anticoagulant coating 19 is 60-80 mu m, the whole blood path assembly comprises a pump head and a pipeline assembly, the surfaces of the pump head and the pipeline assembly, which are contacted with blood, are treated through the anticoagulant coating 19, side effects generated in a long-term extracorporeal circulation support process can be effectively reduced, the domestic existing bag can only be used for 7 days at most, and the service life of the circulating bag can be prolonged to 28 days through a coating technology.

The surface of first connecting tube 3 is provided with into blood end hemostatic clamp 15, advances blood end hemostatic clamp 15 can adjust the flow of first connecting tube 3 to can control opening and shutting of first connecting tube 3, and the surface of seventh connecting tube 13 still is provided with and bleeds end hemostatic clamp 16, and the surface swing joint that bleeds end hemostatic clamp 16 can control seventh connecting tube 13 opens and shuts and flow, and venous blood advances the surface swing joint of blood end 2 has first plastic cap 20, and the surface swing joint of arterial blood goes out blood end 14 has second plastic cap 21 for to the venous blood that does not use advances blood end 2 and arterial blood and bleeds end 14 and seal the protection.

Working principle: the venous blood inlet end 2 and the arterial blood outlet end 14 are respectively connected with veins and arteries of a lower cavity of a human body, venous blood enters from the venous blood inlet end 2 and then enters a centrifugal pump through a first connecting pipe 3, a second connecting pipe 4, a first blood sampling port 5 and a third connecting pipe 6 to provide power for the whole bag, then the blood enters an oxygenator main body 1 through a second blood sampling port 8 and a fourth connecting pipe 9, the oxygenator main body 1 contains membrane wires, oxygen is pumped in through an air inlet, CO2 in the blood is discharged through an air outlet to convert the venous blood into arterial blood, the heart and lung functions of the human body are replaced for a short time, meanwhile, a heating port 18 is externally connected with a built-in water cavity 17, the heating port 18 is connected with an external constant-temperature water cavity to heat the blood flowing at an inlet and outlet, the blood is guaranteed to be at a temperature close to the body temperature of the human body, the water and the blood are not contacted, and the flowing arterial blood returns to the body of the patient through the fifth connecting pipe 10, the third connecting pipe 11, the sixth connecting pipe 12, the seventh connecting pipe 13 and the arterial blood outlet 14, and the whole circulation is completed, the blood is used for controlling the blood sampling parameters of the blood sampling, the blood sampling parameters, the blood pressure and the blood sampling parameters of the patient is monitored, and the blood sampling parameters and the blood flow rate of the blood is monitored and the blood is externally connected with the first connecting port 8 and the controller.

The extracorporeal membrane oxygenation circulation bag LSE-770 is mainly used for continuous extracorporeal cardiopulmonary function support. Venous-venous or venous-arterial blood circulation may be achieved. Venous-venous circulation can only support pulmonary function and cannot assist the pumping function of the heart. The venous-arterial blood circulation can support the pulmonary gas exchange function and also has the function of assisting heart to pump blood, and because the oxygenator heat exchanger can regulate the temperature of blood, the extracorporeal membrane oxygenation circulation bag LSE-770 can be used for extracorporeal blood heating treatment of an unexpected low-temperature patient in a specific temperature range or for realizing therapeutic hypothermia, the longest service life of the extracorporeal membrane oxygenation circulation bag LSE-770 is 8 days, and after the longest service life exceeds 8 days, whether the extracorporeal membrane oxygenation circulation bag LSE-770 is continuously used or not can be determined by an attending physician.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a medical diaphragm type oxygenator circulation cover package, includes oxygenator main part (1), venous blood advances blood end (2) and arterial blood bleeding end (14), its characterized in that: the one end intercommunication of venous blood inlet end (2) has first connecting tube (3), the other end intercommunication of first connecting tube (3) has second connecting tube (4), the other end intercommunication of second connecting tube (4) has first blood sampling interface (5), the inlet intercommunication of oxygenator main part (1) has fourth connecting tube (9), the other end intercommunication of fourth connecting tube (9) has second blood sampling interface (8), the other end intercommunication of second blood sampling interface (8) has centrifugal pump (7), the entry intercommunication of centrifugal pump (7) has third connecting tube (6), and third connecting tube (6) and first blood sampling interface (5) communicate each other, the bleeding mouth department intercommunication of oxygenator main part (1) has fifth connecting tube (10), the other end intercommunication of fifth connecting tube (10) has third blood sampling interface (11), the one end intercommunication of arterial blood end (14) has seventh connecting tube (13), the other end intercommunication of seventh connecting tube (13) has third connecting tube (12), the other end intercommunication of third connecting tube (6) has third water cavity (17) and first connecting tube (17) to communicate each other, the bleeding mouth department of oxygenator main part (1) has the inside of the water cavity (17) to heat.

2. A medical membrane oxygenator circulation kit as claimed in claim 1, wherein: the second connecting pipe (4) and the sixth connecting pipe (12) are internally provided with an anticoagulation coating (19), and the thickness of the anticoagulation coating (19) is 60-80 mu m.

3. A medical membrane oxygenator circulation kit as claimed in claim 1, wherein: the surface of the first connecting tube (3) is provided with a blood inlet end hemostatic clamp (15), and the surface of the seventh connecting tube (13) is also provided with a blood outlet end hemostatic clamp (16).

4. A medical membrane oxygenator circulation kit as claimed in claim 1, wherein: the second connecting pipe (4) is a blood path blue label indication pipeline, and the sixth connecting pipe (12) is a blood path red label indication pipeline.

5. A medical membrane oxygenator circulation kit as claimed in claim 1, wherein: the surface of the venous blood inlet end (2) is movably connected with a first plastic cap (20), and the surface of the arterial blood inlet end (14) is movably connected with a second plastic cap (21).

6. A medical membrane oxygenator circulation kit as claimed in claim 1, wherein:

and a temperature sensor, a pressure sensor and a flow sensor are arranged on an external pipeline of the built-in water cavity (17).

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