Integrated blood exchange device convenient to operate

Abstract

The utility model provides an integrated blood exchange device convenient to operate, and relates to the technical field of medical instruments. The integrated blood exchange device convenient to operate comprises a first blood transfusion apparatus, a second blood transfusion apparatus, a blood drawing pump, a blood collection bag, a blood transfusion bag and a heparin injector. One end of the first blood transfusion apparatus is connected with a side hole of the central venous catheter through the medical three-way valve, and the blood drawing pump is connected with the other end of the first blood transfusion apparatus through the blood drawing pump; the heparin injector is connected with the medical three-way valve; and the blood transfusion bag is connected with the main hole of the central venous catheter through the second blood transfusion apparatus. The technical effect that the device for the blood exchange therapy is convenient to operate is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and in particular to an integrated blood exchange device which is easy to operate. Background Art

[0002] In recent years, more and more children have been suffering from whooping cough. Whooping cough is a highly contagious acute respiratory disease with characteristic clinical symptoms of paroxysmal spasmodic cough accompanied by inspiratory "cock-crow" echo. The course of the disease can last for several months and often cause epidemics. It is an important infectious disease causing infant and child mortality worldwide. Severe whooping cough, also known as fatal malignant whooping cough, is accompanied by respiratory failure, cardiogenic shock and elevated white blood cell count (50×10 9 / L)-related pulmonary hypertension, with a high mortality rate. Foreign literature reports that the use of leukocyte removal and exchange transfusion therapy to treat severe pertussis in infants can reduce mortality and achieve good results.

[0003] However, the devices for exchange transfusion therapy in the prior art are inconvenient to operate. Utility Model Content

[0004] The utility model aims to provide an integrated blood exchange device which is easy to operate, so as to alleviate the technical problem of inconvenient operation of blood exchange therapy devices in the prior art.

[0005] In a first aspect, an embodiment of the utility model provides an integrated blood exchange device that is easy to operate, including a first blood transfusion device, a second blood transfusion device, a blood pump, a blood collection bag, a blood transfusion bag, and a heparin syringe;

[0006] One end of the first blood transfusion device is connected to the side hole of the central venous catheter through a medical three-way valve, and the blood pump is connected to the other end of the first blood transfusion device through the blood pump;

[0007] The heparin syringe is connected to the medical three-way valve;

[0008] The blood transfusion bag is connected to the main hole of the central venous catheter through the second blood transfusion device.

[0009] In combination with the first aspect, the embodiment of the utility model provides a possible implementation of the first aspect, wherein the above-mentioned medical three-way valve is a disposable three-way valve.

[0010] In combination with the first aspect, the embodiment of the utility model provides a possible implementation of the first aspect, wherein the first end of the medical three-way valve is connected to the side hole of the central venous catheter.

[0011] In combination with the first aspect, the embodiment of the utility model provides a possible implementation of the first aspect, wherein the second end of the medical three-way valve is connected to the heparin syringe.

[0012] In combination with the first aspect, the embodiment of the utility model provides a possible implementation of the first aspect, wherein the heparin syringe is connected to the second end of the medical three-way valve through an infusion extension tube.

[0013] In combination with the first aspect, the embodiment of the utility model provides a possible implementation of the first aspect, wherein the third end of the medical three-way valve is connected to the first blood transfusion device.

[0014] In combination with the first aspect, the embodiment of the utility model provides a possible implementation of the first aspect, wherein a switch handle is provided on the above-mentioned medical three-way valve.

[0015] In combination with the first aspect, the embodiment of the utility model provides a possible implementation of the first aspect, wherein a connection mark is provided on the switch handle.

[0016] In combination with the first aspect, the embodiment of the utility model provides a possible implementation of the first aspect, wherein the blood collection bag is a medical waste liquid bag.

[0017] In combination with the first aspect, the embodiment of the utility model provides a possible implementation of the first aspect, wherein the blood collection bag is a nutrient bag.

[0018] Beneficial effects:

[0019] The utility model provides an integrated blood exchange device which is easy to operate, comprising a first blood transfusion device, a second blood transfusion device, a blood pump, a blood collection bag, a blood transfusion bag and a heparin syringe; one end of the first blood transfusion device is connected to the side hole of a central venous catheter through a medical three-way valve, the blood pump is connected to the other end of the first blood transfusion device through the blood pump; the heparin syringe is connected to the medical three-way valve; and the blood transfusion bag is connected to the main hole of the central venous catheter through the second blood transfusion device.

[0020] Specifically, when performing blood transfusion treatment on the child, the medical staff connects the first blood transfusion device and the heparin syringe to the medical three-way valve, then connects the first blood transfusion device to the blood pump, and connects the blood collection bag to the blood pump, then connects the medical three-way valve to the side hole of the central venous catheter, and then connects the blood transfusion bag to the second blood transfusion device, and the second blood transfusion device to the main hole of the central venous catheter, and then the medical staff first adjusts the medical three-way valve to connect the heparin syringe to the first blood transfusion device, and then the medical staff uses the heparin syringe to flush the first blood transfusion device, and then turns on the blood pump and the blood transfusion bag to perform blood transfusion treatment. This arrangement is convenient for medical staff to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A schematic diagram of the easy-to-operate integrated blood exchange device provided by the embodiment of the utility model when in use;

[0023] Figure 2 A schematic diagram of a three-way valve for medical use in an integrated blood exchange device that is easy to operate provided in an embodiment of the utility model.

[0024] icon:

[0025] 100-First blood transfusion device;

[0026] 200-second blood transfusion device;

[0027] 300 - blood pump;

[0028] 400 - blood collection bag;

[0029] 500 - blood transfusion bags;

[0030] 600-Heparin syringe;

[0031] 700 - medical three-way valve; 710 - first end; 720 - second end; 730 - third end; 740 - switch handle; 750 - connection mark;

[0032] 800-infusion extension tube;

[0033] 910 - side hole; 920 - main hole. DETAILED DESCRIPTION

[0034] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0037] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] The present invention is further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0039] See also Figure 1 and Figure 2 As shown, this embodiment provides an integrated blood exchange device that is easy to operate, including a first blood transfusion device 100, a second blood transfusion device 200, a blood pump 300, a blood collection bag 400, a blood transfusion bag 500 and a heparin syringe 600; one end of the first blood transfusion device 100 is connected to the side hole 910 of the central venous catheter through a medical three-way valve 700, and the blood pump 300 is connected to the other end of the first blood transfusion device 100 through the blood pump 300; the heparin syringe 600 is connected to the medical three-way valve 700; the blood transfusion bag 500 is connected to the main hole 920 of the central venous catheter through the second blood transfusion device 200.

[0040] Specifically, when performing blood transfusion treatment on the child, the medical staff connects the first blood transfusion device 100 and the heparin syringe 600 to the medical three-way valve 700, then connects the first blood transfusion device 100 to the blood pump 300, and connects the blood collection bag 400 to the blood pump 300, then connects the medical three-way valve 700 to the side hole 910 of the central venous catheter, then connects the blood transfusion bag 500 to the second blood transfusion device 200, and connects the second blood transfusion device 200 to the main hole 920 of the central venous catheter, and then the medical staff first adjusts the medical three-way valve 700 to connect the heparin syringe 600 with the first blood transfusion device 100, and then the medical staff uses the heparin syringe 600 to flush the first blood transfusion device 100, and then turns on the blood pump 300 and the blood transfusion bag 500 to perform blood transfusion treatment. This arrangement is convenient for medical staff to operate.

[0041] See also Figure 1 and Figure 2 As shown, in an optional solution of this embodiment, the medical three-way valve 700 is a disposable three-way valve.

[0042] Among them, a switch handle 740 is provided on the medical three-way valve 700.

[0043] Among them, a connection mark 750 is set on the switch handle 740.

[0044] Specifically, the medical three-way valve 700 can be a disposable three-way valve, and a connection mark 750 is set on the switch handle 740 of the disposable three-way valve, and the switch handle 740 of the disposable three-way valve is T-shaped, and the valve core of the disposable three-way valve has a T-shaped channel, so that when the medical staff rotates the T-shaped switch handle 740, the position of the T-shaped channel valve core can be rotated, thereby connecting the first end 710 and the second end 720 of the disposable three-way valve, or connecting the first end 710 and the third end 730 of the disposable three-way valve, or connecting the second end 720 and the third end 730 of the disposable three-way valve, or connecting the first end 710, the second end 720 and the third end 730 of the disposable three-way valve.

[0045] When the blood pump 300 is working, the first end 710, the second end 720 and the third end 730 of the disposable three-way valve are in a connected state.

[0046] The first end 710 of the medical three-way valve 700 is connected to the side hole 910 of the central venous catheter.

[0047] The second end 720 of the medical three-way valve 700 is connected to the heparin syringe 600 .

[0048] See also Figure 1 and Figure 2As shown, in an optional solution of this embodiment, the heparin syringe 600 is connected to the second end 720 of the medical three-way valve 700 through an infusion extension tube 800.

[0049] Specifically, the heparin syringe 600 is connected to the second end 720 of the medical three-way valve 700 through the infusion extension tube 800, so that the heparin syringe 600 can be away from the medical three-way valve 700, that is, the heparin syringe 600 can be away from the side hole 910 of the central venous catheter, so that medical personnel can conveniently operate the heparin syringe 600.

[0050] It should be noted that when the blood pump 300 draws blood, the medical staff can intermittently or continuously operate the heparin syringe 600 to flush the first blood transfusion device 100 to avoid blockage caused by blood coagulation in the first blood transfusion device 100.

[0051] The third end 730 of the medical three-way valve 700 is connected to the first blood transfusion device 100 .

[0052] In an optional solution of this embodiment, the blood collection bag 400 is a medical waste liquid bag.

[0053] Specifically, the blood collection bag 400 in the easy-to-operate integrated blood exchange device provided in this embodiment can be a medical waste liquid bag.

[0054] In an optional solution of this embodiment, the blood collection bag 400 is a nutrient bag.

[0055] Specifically, the blood collection bag 400 in the easy-to-operate integrated blood exchange device provided in this embodiment can be a nutrient bag.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. An integrated blood exchange device that is easy to operate, characterized in that: include: A first blood transfusion device (100), a second blood transfusion device (200), a blood pump (300), a blood collection bag (400), a blood transfusion bag (500) and a heparin syringe (600); One end of the first blood transfusion device (100) is connected to the side hole (910) of the central venous catheter via a medical three-way valve (700), and the blood pump (300) is connected to the other end of the first blood transfusion device (100) via the blood pump (300); The heparin syringe (600) is connected to the medical three-way valve (700); The blood transfusion bag (500) is connected to the main hole (920) of the central venous catheter through the second blood transfusion device (200).

2. The easy-to-operate integrated blood exchange device according to claim 1, characterized in that: The medical three-way valve (700) is a disposable three-way valve.

3. The easy-to-operate integrated blood exchange device according to claim 2, characterized in that: The first end (710) of the medical three-way valve (700) is connected to the side hole (910) of the central venous catheter.

4. The easy-to-operate integrated blood exchange device according to claim 2, characterized in that: The second end (720) of the medical three-way valve (700) is connected to the heparin syringe (600).

5. The easy-to-operate integrated blood exchange device according to claim 4, characterized in that: The heparin syringe (600) is connected to the second end (720) of the medical three-way valve (700) via an infusion extension tube (800).

6. The easy-to-operate integrated blood exchange device according to claim 2, characterized in that: The third end (730) of the medical three-way valve (700) is connected to the first blood transfusion device (100).

7. The easy-to-operate integrated blood exchange device according to claim 2, characterized in that: The medical three-way valve (700) is provided with a switch handle (740).

8. The easy-to-operate integrated blood exchange device according to claim 7, characterized in that: The switch handle (740) is provided with a connection mark (750).

9. The easy-to-operate integrated blood exchange device according to any one of claims 1 to 8, characterized in that: The blood collection bag (400) is a medical waste liquid bag.

10. The easy-to-operate integrated blood exchange device according to any one of claims 1 to 8, characterized in that: The blood collection bag (400) is a nutrient bag.

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