CN212547803U - Plasma exchange device - Google Patents
Plasma exchange device Download PDFInfo
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- CN212547803U CN212547803U CN202020436678.5U CN202020436678U CN212547803U CN 212547803 U CN212547803 U CN 212547803U CN 202020436678 U CN202020436678 U CN 202020436678U CN 212547803 U CN212547803 U CN 212547803U
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Abstract
The utility model discloses a plasma replacement device, which relates to the technical field of medical equipment and comprises an input device and an output device, wherein the input device comprises a blood transfusion device, and a first flow regulator is arranged on a blood transfusion tube of the blood transfusion device; the output device comprises a plasma separator, a filtrate pipe and a filtrate barrel, the plasma separator is provided with a blood inlet, a blood outlet and a filtrate outlet, the blood inlet is connected with a blood introducing pipe, the blood introducing pipe is provided with a second flow regulator, the blood outlet is connected with a blood return pipe, the blood return pipe is provided with a third flow regulator, the filtrate outlet is connected with the filtrate pipe, the filtrate pipe is connected with the filtrate barrel, and the filtrate pipe is provided with a fourth flow regulator; the first flow regulator, the second flow regulator, the third flow regulator and the fourth flow regulator are regulated according to the actual state of illness and blood pressure of the patient, so that the blood pressure in the human body is kept basically stable.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially a plasma exchange device.
Background
The plasma replacement is a process of leading whole blood of a patient out of the body and separating the whole blood into plasma and blood cells, discarding the plasma of the patient and infusing plasma substitutes such as fresh plasma, albumin solution, balanced solution and the like back to the body of the patient at the same speed, thereby achieving the purposes of reducing pathological damage and removing pathogenic substances. Plasmapheresis has become a common extracorporeal blood purification therapy, with an equal amount of replacement, with the rate of plasma filtration being equal to the rate of replacement, which makes the operation inconvenient due to heavy work, and with unequal replacement rates, the patient may cause hypotension, which greatly increases the labor intensity of the medical staff. Moreover, the existing plasma exchange device cannot well collect the discharged plasma, and the discharged plasma can pollute the medical environment.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, a plasma exchange device is provided, which can adjust the speed of inputting the human plasma, the speed of outputting the blood, the speed of returning blood cells to the human body and the speed of filtering out the plasma, and keep the blood pressure in the human body basically stable.
In order to achieve the above purpose, the utility model adopts the technical proposal that: a plasmapheresis device comprises an input device for inputting plasma in a plasma bag into a patient and an output device for filtering blood in the patient to separate hemocytes and filtrate, wherein the input device comprises a blood transfusion device, and a first flow regulator is arranged on a blood transfusion tube of the blood transfusion device; output device includes plasma separator, filtrate pipe and filtrate bucket, plasma separator is equipped with blood entry, blood export and filtrate export, the blood entry linkage has the blood inlet tube, be equipped with the second flow regulator on the blood inlet tube, the blood inlet tube is kept away from the one end of plasma separator is connected with first syringe needle, the blood exit linkage has the blood back flow, the blood back flow is equipped with the third flow regulator, the blood back flow is kept away from the one end of plasma separator is connected with the second syringe needle, the filtrate export with the one end of filtrate pipe is connected, the other end of filtrate pipe is located in the filtrate bucket, be equipped with the fourth flow regulator on the filtrate pipe.
Furthermore, the filtrate barrel is provided with scales. The volume of the filtered plasma can be checked through the scales, and then compared with the input volume of new plasma, whether the plasma filtering speed is equal to the replacement speed can be intuitively known.
Furthermore, a barrel cover is arranged in the filtrate barrel, a pipe hole is formed in the barrel cover, and the filtrate pipe penetrates through the pipe hole. The filtrate barrel and the filtrate pipe can be separated, and the filtrate barrel can be reused after being cleaned and disinfected.
Furthermore, a sealing ring is sleeved at one end, far away from the filtrate outlet, of the filtrate pipe, and the sealing ring is installed in the pipe hole and seals the pipe hole. The filtrate barrel is sealed, so that the filtered filtrate is prevented from splashing out of the pipe hole to pollute the medical environment.
Further, a connector is arranged between the filtrate outlet and the filtrate pipe, and two ends of the connector are respectively connected with the filtrate outlet and the filtrate pipe.
Furthermore, both ends of the connector are respectively fixedly connected with the filtrate outlet and the filtrate pipe through fastening rings. The tight loop makes the connection between connector and filtrating export, connector and the filtrating pipe more firm, avoids the connection pine between filtrating export, connector, the filtrating pipe to take off.
Further, the connector is formed by transforming a disposable flusher. The bottom opening of the disposable flusher can be reformed, the materials are the existing articles in hospitals, the sources are convenient, and the reformation is easy.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a speed of plasma replacement device through the human input plasma of first flow regulator control, through the speed of the human output blood of second flow regulator control to plasma separator, through the human speed of blood cell backward flow behind plasma separator of third flow regulator control, through the speed that the plasma that fourth flow regulator control was passed through behind plasma separator filters out, according to patient's actual state of an illness and blood pressure to first flow regulator, the second flow regulator, third flow regulator and fourth flow regulator adjust, thereby keep the internal blood pressure of human stable basically.
2. The utility model discloses an output device still includes filtrate pipe and filtrate bucket, and the plasma that filters out through plasma separator flows in the filtrate bucket behind the filtrate pipe, and the plasma that filters out is collected to the filtrate bucket, keeps medical environment's clean and tidy, avoids the plasma pollution medical environment who filters out.
Drawings
Fig. 1 is a schematic structural view of a plasma exchange device according to the present invention;
the blood transfusion system comprises a blood transfusion device 1, a first flow regulator 2, a plasma separator 3, a blood inlet 4, a blood outlet 5, a filtrate outlet 6, a blood introducing pipe 7, a second flow regulator 8, a blood return pipe 9, a third flow regulator 10, a filtrate pipe 11, a fourth flow regulator 12, a filtrate barrel 13, a connector 14, a scale 15 and a fastening ring 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a plasmapheresis device comprises an input device for inputting plasma in a plasma bag into a patient and an output device for filtering blood in the patient to separate hemocytes and filtrate, wherein the input device inputs new plasma into the patient, the output device extracts plasma from the patient and separates hemocytes and filtrate, the hemocytes return to the patient, and the filtrate is discharged. The input device comprises a transfusion device 1, the transfusion device comprises a bottle inserting needle, an air inlet needle, a dropper, a transfusion tube, a tube joint and a needle head assembly, the bottle inserting needle, the air inlet needle, the dropper and the tube joint are sequentially connected onto the transfusion tube, the bottle inserting needle and the tube joint are respectively arranged at two ends of the transfusion tube, the air inlet needle is arranged on the bottle inserting needle, the needle head assembly is connected with the tube joint, one end of the blood transfusion tube joint is provided with a first flow regulator 2, and the speed of inputting plasma is controlled by the first flow regulator 2. Output device includes plasma separator 3, filtrate pipe 11 and filtrate bucket 13, plasma separator 3 separates hemocyte and filtrating with blood, plasma separator 3 is equipped with blood inlet 4, blood outlet 5 and filtrating export 6, blood inlet 4 is connected with blood inlet tube 7, be equipped with second flow regulator 8 on the blood inlet tube 7, the one end that plasma separator 3 was kept away from to blood inlet tube 7 is connected with first syringe needle, in the blood vessel of human body is inserted to first syringe needle, human blood gets into plasma separator 3 from blood inlet 4 after through first syringe needle and blood inlet tube 7, through the speed of second flow regulator 8 control human output blood to plasma separator 3. The blood outlet 5 is connected with a blood return pipe 9, the blood return pipe 9 is provided with a third flow regulator 10, one end of the blood return pipe 9 far away from the plasma separator 3 is connected with a second needle, and the speed of the blood cells in the plasma separator 3 returning to the human body is controlled by the third flow regulator 10. The filtrate outlet 6 is connected with one end of a filtrate tube 11, the other end of the filtrate tube 11 is arranged in a filtrate barrel 13, one end of the filtrate tube 11 close to the filtrate outlet 6 is provided with a fourth flow regulator 12, and the speed of filtering out the plasma after passing through the plasma separator 3 is controlled by the fourth flow regulator 12.
Be equipped with connector 14 between filtrating export 6 and filtrating pipe 11, the one end and the filtrating export 6 of filtrating pipe 11 are located respectively to the both ends of connector 14 cover to be fixed in filtrating pipe 11 and filtrating export 6 through tight loop 16, connector 14 adopts disposable flusher to reform transform and forms, accomplishes the transformation with the bottom opening of disposable flusher promptly. The filtrate pipe 11 is formed by reforming the blood transfusion pipe of the transfusion device, and the blood transfusion pipe of the transfusion device can not be directly connected with the filtrate outlet 6, so that the connector 14 is required to be in transition connection, and the reforming cost is greatly reduced after the connector 14 is used.
The filtrate barrel 13 is provided with scales 15, a barrel cover is arranged in the filtrate barrel 13, a pipe hole is formed in the barrel cover, the filtrate pipe 11 penetrates through the pipe hole, a sealing ring is sleeved at one end, far away from the connector 14, of the filtrate pipe 11, the sealing ring is installed in the pipe hole and seals the pipe hole, and filtrate is prevented from splashing out of the pipe hole to cause pollution.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (7)
1. A plasmapheresis device comprising an input device for inputting plasma in a plasma bag into a patient and an output device for filtering blood from the patient to separate hemocytes and filtrate, characterized in that:
the input device comprises a blood transfusion device, and a first flow regulator is arranged on a blood transfusion tube of the blood transfusion device;
output device includes plasma separator, filtrate pipe and filtrate bucket, plasma separator is equipped with blood entry, blood export and filtrate export, the blood entry linkage has the blood inlet tube, be equipped with the second flow regulator on the blood inlet tube, the blood inlet tube is kept away from the one end of plasma separator is connected with first syringe needle, the blood exit linkage has the blood back flow, the blood back flow is equipped with the third flow regulator, the blood back flow is kept away from the one end of plasma separator is connected with the second syringe needle, the filtrate export with the one end of filtrate pipe is connected, the other end of filtrate pipe is located in the filtrate bucket, be equipped with the fourth flow regulator on the filtrate pipe.
2. A plasmapheresis device according to claim 1, wherein: the filtrate barrel is provided with scales.
3. A plasmapheresis device according to claim 1, wherein: a barrel cover is arranged in the filtrate barrel, a pipe hole is formed in the barrel cover, and the filtrate pipe penetrates through the pipe hole.
4. A plasmapheresis device according to claim 3, wherein: and a sealing ring is sleeved at one end of the filtrate pipe, which is far away from the filtrate outlet, and the sealing ring is arranged in the pipe hole and seals the pipe hole.
5. A plasmapheresis device according to claim 1, wherein: a connector is arranged between the filtrate outlet and the filtrate pipe, and two ends of the connector are respectively connected with the filtrate outlet and the filtrate pipe.
6. A plasmapheresis device according to claim 5, wherein: the two ends of the connector are fixedly connected with the filtrate outlet and the filtrate pipe through fastening rings respectively.
7. A plasmapheresis device according to claim 5, wherein: the connector is formed by transforming a disposable flusher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020436678.5U CN212547803U (en) | 2020-03-30 | 2020-03-30 | Plasma exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020436678.5U CN212547803U (en) | 2020-03-30 | 2020-03-30 | Plasma exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212547803U true CN212547803U (en) | 2021-02-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020436678.5U Active CN212547803U (en) | 2020-03-30 | 2020-03-30 | Plasma exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212547803U (en) |
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2020
- 2020-03-30 CN CN202020436678.5U patent/CN212547803U/en active Active
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