CN219519194U

CN219519194U - Plasma centrifugal separator

Info

Publication number: CN219519194U
Application number: CN202320458758.4U
Authority: CN
Inventors: 刘忠让
Original assignee: SHAANXI ZHENGYUAN TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: SHAANXI ZHENGYUAN TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-15
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a plasma centrifugal separator, and relates to the technical field of separators; the utility model solves the problem that when a large amount of plasma is needed, a storage bag is needed to be repeatedly opened for storage, and the storage bag comprises a bottom plate and an outer barrel arranged above the bottom plate, wherein a blood adding pipe is arranged at the top of the outer barrel, blood is added into a centrifugal barrel through the blood adding pipe, the inner surface of the outer barrel is fixedly connected with the centrifugal barrel, the inner surface of the outer barrel is fixedly connected with a first annular chute, the inner surface of the first annular chute is connected with a sealing baffle plate in a sliding manner through a sliding block, a first through hole is formed in the bottom of the centrifugal barrel, and a second through hole matched with the first through hole is formed in the top of the sealing baffle plate; according to the utility model, the separated plasma is stored below the sealing partition board through the arrangement of the sealing partition board, and when the required quantity is stored, bagging storage is carried out at one time, so that the contact of blood with the outside is reduced, and the possibility of sample pollution is reduced.

Description

Plasma centrifugal separator

Technical Field

The utility model relates to the technical field of separators, in particular to a plasma centrifugal separator.

Background

Blood plasma is taken as one of the components of blood, and is mainly collected by separating the blood, and the common modes of blood plasma collection are divided into centrifugal and membrane filtration modes. Because blood contains coagulation factors, no matter what way is adopted to collect blood plasma, anticoagulation treatment is needed in time after the blood is taken out of a human body, and at present, a secondary blood plasma treatment technology is widely applied in the fields of treatment of related pathogenic substances, acute critical diseases and the like. The basic principle is that the blood of a patient is separated into plasma and blood cell components in vitro by centrifugal force generated by high-speed rotation of a centrifugal machine, then the blood cell components are returned to the body of the patient, the separated plasma is conveyed to a filter for treatment, and finally the treated plasma is returned to the body of the patient.

In the conventional plasma centrifuge, after separating plasma, the separated plasma is stored by using a storage bag, but when a large amount of plasma is needed, the storage bag needs to be opened for one time for collecting the plasma, the storage bag is repeatedly opened for storage, and blood is easy to contact the outside, so that the sample is polluted.

In view of the above problems, the inventors have proposed a plasma centrifuge for solving the above problems.

Disclosure of Invention

In order to solve the problem that the storage bag needs to be repeatedly opened for storage when a large amount of plasma is needed; the utility model aims to provide a plasma centrifugal separator.

In order to solve the technical problems, the utility model adopts the following technical scheme: including bottom plate and the outer bucket of setting in the bottom plate top, the top of outer bucket is provided with the blood and adds the pipe, adds the pipe through the blood and adds blood in to the centrifuge bucket, the internal surface fixedly connected with centrifuge bucket of outer bucket, the first annular spout of internal surface fixedly connected with of outer bucket, the internal surface of first annular spout has sealed baffle through slider sliding connection, first through-hole has been seted up to the bottom of centrifuge bucket, the second through-hole with first through-hole looks adaptation is seted up at sealed baffle's top, through sealed baffle's setting, stores the below of sealed baffle with the plasma after the separation, when storing the volume that can require, once only carries out the bagging-off and stores, reduces blood and external contact, reduces sample pollution's possibility, the bottom fixedly connected with second annular spout of outer bucket internal surface, the internal surface of second annular spout has the macromolecular membrane through slider sliding connection, the top of macromolecular membrane and sealed baffle's bottom fixedly connected with, the macromolecular membrane filters the harmful substance of human body after to the separation, the use safety of improvement satisfies, and the second outer surface that is used for the outer drain pipe of a second outer side of outer tube of medical treatment, the outer surface that is used for the outer tube of a blood drain pipe of the medical treatment.

Preferably, the top fixedly connected with motor of outer bucket, the one end of motor output shaft runs through outer bucket and fixedly connected with dwang, and the motor is centrifugal to provide power, and the dwang is used for installing centrifugal blade, the one end of dwang runs through centrifugal bucket and sealed baffle in proper order and extends to sealed baffle's outside, the surface of dwang just is located centrifugal bucket's inside fixedly connected with centrifugal blade, centrifugal blade increases the centrifugal performance of device, the one end fixedly connected with spline shaft sleeve of dwang, the top fixedly connected with telescopic link of bottom plate, spline shaft sleeve is used for connecting the integral key shaft to can drive sealed baffle and rotate, the telescopic link is used for driving the integral key shaft and rises, the one end of telescopic link runs through outer bucket and rotates and be connected with the plectane, the top fixedly connected with extension link of plectane is used for installing the extension link, the one end fixedly connected with of extension link and the integral key shaft sleeve looks adaptation, the top fixedly connected with round pin pole of plectane, the bottom of sealed baffle has seted up the pinhole with the pin rod looks adaptation, and the round pin pole inserts into the female pin hole simultaneously, so that the through-hole can be rotated with the spline shaft, and the second spline shaft is stored in order to drive the inside spline shaft, and can rotate, and then the spline shaft is separated with the spline shaft.

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

1. through the arrangement of the sealing partition board, the separated blood plasma is stored below the sealing partition board, and when the required quantity is stored, bagging and storage are carried out at one time, so that the contact of blood with the outside is reduced, and the possibility of sample pollution is reduced;

2. through the arrangement of the polymer membrane, the separated plasma is filtered, substances harmful to human bodies in blood are removed, the use safety of the plasma is improved, and the medical requirements are met.

3. Through the arrangement of the pin rod, the pin rod is inserted into the pin hole, and the starting motor can drive the sealing partition plate to rotate, so that the first through hole is matched with the second through hole, and the normal operation of the device is ensured.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of the internal structure of the outer tub of the present utility model.

Fig. 3 is a schematic structural view of the centrifugal barrel of the present utility model.

FIG. 4 is a schematic structural diagram of a polymer film according to the present utility model.

Fig. 5 is a schematic structural view of a circular plate according to the present utility model.

In the figure: 1. a bottom plate; 2. an outer tub; 3. a centrifugal barrel; 4. the first annular chute; 5. a sealing separator; 6. a first through hole; 7. a second through hole; 8. a motor; 9. a rotating lever; 10. centrifugal blades; 11. a spline shaft sleeve; 12. a telescopic rod; 13. a circular plate; 14. an extension rod; 15. a spline shaft; 16. a pin rod; 17. a pin hole; 18. the second annular chute; 19. a polymer film; 20. a first liquid outlet pipe; 21. and a second liquid outlet pipe.

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.

As shown in fig. 1-5, the utility model provides a plasma centrifugal separator, which comprises a bottom plate 1 and an outer barrel 2 arranged above the bottom plate 1, wherein a blood adding pipe is arranged at the top of the outer barrel 2, blood is added into a centrifugal barrel 3 through the blood adding pipe, the centrifugal barrel 3 is fixedly connected to the inner surface of the outer barrel 2, a first annular chute 4 is fixedly connected to the inner surface of the outer barrel 2, a sealing baffle plate 5 is slidingly connected to the inner surface of the first annular chute 4 through a sliding block, a first through hole 6 is formed in the bottom of the centrifugal barrel 3, a second through hole 7 matched with the first through hole 6 is formed in the top of the sealing baffle plate 5, separated plasma is stored below the sealing baffle plate 5 through the arrangement of the sealing baffle plate 5, and when a required amount is stored, the separated plasma is packaged and stored once, so that the contact between the blood and the outside is reduced, and the possibility of sample pollution is reduced.

The top of the outer barrel 2 is fixedly connected with a motor 8, and one end of an output shaft of the motor 8 penetrates through the outer barrel 2 and is fixedly connected with a rotating rod 9.

By adopting the above technical solution, the motor 8 provides power for centrifugation and the rotating rod 9 is used for mounting the centrifugal blades 10.

One end of the rotating rod 9 sequentially penetrates through the centrifugal barrel 3 and the sealing partition plate 5 and extends to the outside of the sealing partition plate 5, and centrifugal blades 10 are fixedly connected to the outer surface of the rotating rod 9 and located inside the centrifugal barrel 3.

By adopting the above technical solution, the centrifugal blade 10 increases the centrifugal performance of the device.

One end of the rotating rod 9 is fixedly connected with a spline shaft sleeve 11, and the top of the bottom plate 1 is fixedly connected with a telescopic rod 12.

Through adopting above-mentioned technical scheme, spline shaft sleeve 11 is used for connecting spline shaft 15 to can drive sealed baffle 5 rotation, telescopic link 12 is used for driving spline shaft 15 to rise.

One end of the telescopic rod 12 penetrates through the outer barrel 2 and is rotatably connected with a circular plate 13, and the top of the circular plate 13 is fixedly connected with an extension rod 14.

By adopting the above technical scheme, the circular plate 13 is used for installing the extension rod 14, and the extension rod 14 is used for installing the spline shaft 15.

One end of the extension rod 14 is fixedly connected with a spline shaft 15 matched with the spline shaft sleeve 11, the top of the circular plate 13 is fixedly connected with a pin rod 16, and the bottom of the sealing partition plate 5 is provided with a pin hole 17 matched with the pin rod 16.

Through adopting above-mentioned technical scheme, when pin 16 inserts in the pinhole 17, in the integral key shaft 15 inserts integral key shaft sleeve 11, consequently integral key shaft sleeve 11 rotates and can drive sealed baffle 5 rotation to make first through-hole 6 coincide with second through-hole 7, and then store the plasma after the separation.

The bottom of the inner surface of the outer barrel 2 is fixedly connected with a second annular chute 18, the inner surface of the second annular chute 18 is slidably connected with a polymer film 19 through a sliding block, and the top of the polymer film 19 is fixedly connected with the bottom of the sealing partition plate 5.

By adopting the technical scheme, the polymer membrane 19 filters the separated plasma, eliminates substances harmful to human bodies in blood, improves the use safety of the plasma, and meets medical requirements.

The outer surface of the outer barrel 2 and above the sealing partition plate 5 are communicated with a first liquid outlet pipe 20, and the bottom of the outer surface of the outer barrel 2 is communicated with a second liquid outlet pipe 21.

By adopting the above technical solution, the first liquid outlet pipe 20 and the second liquid outlet pipe 21 are used for discharging the separated blood plasma.

Working principle: blood is added into the centrifugal barrel 3, the motor 8 is started to drive the rotating rod 9 to enable the centrifugal blades 10 to rotate, therefore, the blood in the centrifugal barrel 3 is centrifugally separated, the separated blood enters a gap between the outer barrel 2 and the centrifugal barrel 3 through the centrifugal barrel 3, the telescopic rod 12 is started to drive the circular plate 13 to enable the extending rod 14 to ascend, the extending rod 14 drives the spline shaft 15 to be inserted into the spline shaft sleeve 11, meanwhile, the circular plate 13 drives the pin rod 16 to be inserted into the pin hole 17, the motor 8 is started to drive the rotating rod 9 to enable the spline shaft sleeve 11 to rotate, the spline shaft sleeve 11 drives the spline shaft 15 to enable the extending rod 14 to rotate, the circular plate 13 is driven by the extending rod 14 to enable the pin rod 16 to rotate, the pin hole 17 is driven by the pin hole 17 to enable the sealing separation plate 5 to rotate along the first annular chute 4, the sealing separation plate 5 drives the second through hole 7 to be anastomotic with the first through hole 6, the separated blood enters the lower portion of the sealing separation plate 5 sequentially through the first through hole 6 and the second through the first through hole 7 to be stored in a bagging mode, and the separated blood is packaged through the second through the liquid outlet pipe 21 to be stored.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. Plasma centrifuge, including bottom plate (1) and outer bucket (2) of setting in bottom plate (1) top, its characterized in that: the centrifugal barrel comprises an outer barrel (2), wherein a centrifugal barrel (3) is fixedly connected to the inner surface of the outer barrel (2), a first annular chute (4) is fixedly connected to the inner surface of the outer barrel (2), a sealing partition plate (5) is slidably connected to the inner surface of the first annular chute (4) through a sliding block, a first through hole (6) is formed in the bottom of the centrifugal barrel (3), and a second through hole (7) matched with the first through hole (6) is formed in the top of the sealing partition plate (5).

2. A plasma centrifuge as claimed in claim 1, characterized in that the top of the outer tub (2) is fixedly connected with a motor (8), and one end of the output shaft of the motor (8) penetrates the outer tub (2) and is fixedly connected with a rotating rod (9).

3. A plasma centrifuge as claimed in claim 2, characterized in that one end of the rotating rod (9) penetrates the centrifuge bowl (3) and the sealing partition plate (5) in sequence and extends to the outside of the sealing partition plate (5), and the outer surface of the rotating rod (9) is fixedly connected with the centrifugal blades (10) in the centrifuge bowl (3).

4. A plasma centrifuge as claimed in claim 3, characterized in that one end of the rotating rod (9) is fixedly connected with a spline sleeve (11), and the top of the bottom plate (1) is fixedly connected with a telescopic rod (12).

5. A plasma centrifuge as claimed in claim 4, characterized in that one end of the telescopic rod (12) penetrates the outer barrel (2) and is rotatably connected with a circular plate (13), and the top of the circular plate (13) is fixedly connected with an extension rod (14).

6. A plasma centrifuge as claimed in claim 5, characterized in that one end of the extension rod (14) is fixedly connected with a spline shaft (15) adapted to the spline shaft sleeve (11), the top of the circular plate (13) is fixedly connected with a pin rod (16), and a pin hole (17) adapted to the pin rod (16) is formed at the bottom of the sealing partition plate (5).

7. A plasma centrifuge as claimed in claim 1, characterized in that the bottom of the inner surface of the outer barrel (2) is fixedly connected with a second annular chute (18), the inner surface of the second annular chute (18) is slidably connected with a polymer membrane (19) through a slide block, and the top of the polymer membrane (19) is fixedly connected with the bottom of the sealing partition plate (5).

8. A plasma centrifuge as claimed in claim 1, characterized in that the outer surface of the outer bowl (2) is connected to a first outlet pipe (20) above the sealing partition (5), and the bottom of the outer surface of the outer bowl (2) is connected to a second outlet pipe (21).