CN213049641U

CN213049641U - Bag type leukocyte filter

Info

Publication number: CN213049641U
Application number: CN202020900232.3U
Authority: CN
Inventors: 熊心; 刘鸣; 张启珍
Original assignee: Hubei Lifebank Biotechnology Co ltd
Current assignee: Hubei Lifebank Biotechnology Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-04-27
Anticipated expiration: 2030-05-26

Abstract

The utility model relates to the technical field of medical equipment, in particular to a bag-type leukocyte filter, which comprises a leukocyte filter and a sealing bag, wherein the inner end of the leukocyte filter is provided with a drainage separation channel, one end of the drainage separation channel is provided with a filter screen, one end of the filter screen is provided with a separation piece, the bottom end of the separation piece is provided with a bearing piece, the middle position of the leukocyte filter is provided with a blood channel, the top end of the blood channel is provided with a blood inlet, the bottom end of the blood channel is provided with a blood outlet, the top end of the sealing bag is connected with a blood inlet pipe, one end of the blood inlet pipe is connected with a blood pump, the two ends of the sealing bag are provided with a bandage, the base surface of the sealing bag is provided with an observation port, the bottom of the sealing bag is connected with a blood outlet pipe, the back of, the filtering effect is improved, and the equipment is more efficient in use.

Description

Bag type leukocyte filter

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a bag-type leukocyte filter.

Background

Because even blood of the same blood type is different from person to person, adverse reactions often occur in blood transfusion, and the adverse reactions are basically from white blood cells in the blood, the white blood cell components in the blood are removed to reduce the adverse reactions of clinical blood transfusion, the conventional white blood cell filter is a hard shell, after blood is collected in a blood station, when a blood bag and the hard shell white blood cell filter are put into a centrifuge for high-speed strong centrifugation, the hard shell will generate cracks and be polluted by outside air, the white blood cell filter polluted by the outside air can be clinically used to cause medical accidents, and the conventional method is basically a high-temperature quick connection mode, namely, after the components of the blood in the blood bag are centrifugally separated in a component department of the blood station, the white blood cell filter is connected into a pipeline of the blood bag in a high-temperature quick connection mode, thereby filtering the leukocyte components in the blood.

Although the leukocyte filters on the market are various, most of the leukocyte filters are only changed in form, the functions of the leukocyte filters are not changed greatly, the conventional leukocyte filters are exposed in the air, so that the conventional leukocyte filters are easily polluted by the outside air in the using process and the normal use of blood is influenced, and the conventional leukocyte filters are not ideal in filtering effect due to simple structures, so that the current situation is changed by a bag-type leukocyte filter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bag type leucocyte filter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a bag-type leukocyte filter comprises a leukocyte filter and a sealing bag, wherein a drainage partition is arranged at the inner end of the leukocyte filter, a filter screen is arranged at one end of the drainage partition, a partition part is arranged at one end of the filter screen, a bearing part is arranged at the bottom end of the partition part, a blood channel is arranged at the middle position of the leukocyte filter, a blood inlet is arranged at the top end of the blood channel, a blood outlet is arranged at the bottom end of the blood channel, a sound insulation layer is arranged on the outer layer of the leukocyte filter, a buffer layer is arranged at one end of the sound insulation layer, a hydrophobic layer is arranged at one end of the buffer layer, a blood inlet pipe is connected to the top end of the sealing bag, a blood pump is connected to one end of the blood inlet pipe, binding bands are arranged at two ends of the sealing bag, an observation port is, the back of the sealing bag is provided with a base, the top end of the sealing bag is positioned at one end of the blood inlet pipe and is provided with an exhaust port, and a gravity sensor is arranged inside the sealing bag.

Preferably, the blood inlet pipe and the blood outlet pipe are both connected with the blood channel through connectors.

Preferably, the inner end of the exhaust port is provided with a one-way membrane, and the exhaust direction of the one-way membrane is from inside to outside.

Preferably, the blood pump and the gravity sensor are both electrically connected with a controller, the controller is specifically a PLC controller, and the inner end of the controller is electrically connected with a power supply module, a display module, a storage module and an alarm module.

Preferably, the partition is trapezoidal, and the filter screen is fixedly connected with the bearing piece.

Preferably, the diameter of the mesh of the sieve is equal to or less than 6 microns.

Preferably, the pipeline joints of the blood inlet pipe and the blood outlet pipe are both provided with a T-shaped sealing ring and a sealing gasket.

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

1. the utility model discloses in, leukocyte filter through setting up, because leukocyte filter outer end parcel has the one deck sealing bag, consequently can prevent in the use that leukocyte filter is polluted by the outside air, the normal use of blood has been ensured, and leukocyte filter is equipped with T type partition piece, and then when blood gets into leukocyte filter, at first can shunt under the wall that T type partition piece, blood filters from left filter screen and right side filter screen respectively, and all can filter when getting into and leaving leukocyte filter, and then accomplished secondary filter, the filter effect is improved, and leukocyte filter's utilization space has been increased, consequently, can filter more leukocytes, make more high-efficient when equipment uses.

2. In the utility model, the blood pump, the controller and the gravity sensor are arranged, the blood pump and the gravity sensor are both electrically connected with the controller, the controller is specifically a PLC controller, further, the blood pump can be controlled by the controller to adjust the flow speed and the flow of the blood in the using process, because the sealing bag is used in a hanging way, the self gravity exists, the weight of the sealing bag can be changed when the blood enters the leukocyte filter, the weight change of the sealing bag can be accurately detected through the gravity sensor, the inner end of the controller is electrically connected with a power supply module, a display module, a storage module and an alarm module, further, the weight change can be displayed in real time through the display module, the data can be stored through the storage module, the follow-up analysis is convenient, the leukocyte filter is more intelligent in the use process, and the device is more convenient to use.

3. The utility model discloses in, puigging through the setting, buffer layer and hydrophobic layer, can reduce the noise that blood produced when blood flows in the blood vessel through the puigging, can carry out certain buffer protection to the leukocyte filter in the leukocyte filter use through the buffer layer, avoid the damage of leukocyte filter, can avoid the in-process adhesion in the blood flow on the leukocyte filter inner wall through the hydrophobic layer, subsequent cleanness of being convenient for, the sealing bag both ends are equipped with the bandage, can fix it when the leukocyte filter does not use through the bandage, make facility convenience more when using.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a schematic view of the internal structure of the leukocyte filter of the present invention;

FIG. 3 is a schematic view showing the connection of the inner filter screen of the leukocyte filter of the present invention;

FIG. 4 is a cross-sectional view of the side wall of the leukocyte filter of the present invention;

FIG. 5 is a block diagram of a controller according to the present invention;

in the figure: 1-leukocyte filter, 2-sealing bag, 3-drainage channel, 4-filter screen, 5-blood channel, 6-blood inlet, 7-blood outlet, 8-partition piece, 9-bearing piece, 10-blood inlet pipe, 11-blood pump, 12-binding band, 13-observation port, 14-controller, 15-blood outlet pipe, 16-base, 17-exhaust port, 18-gravity sensor, 19-sound insulation layer, 20-buffer layer, 21-hydrophobic layer

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Please refer to fig. 1-5, the present invention provides a technical solution:

a bag type leukocyte filter comprises a leukocyte filter 1 and a sealing bag 2, the inner end of the leukocyte filter 1 is provided with a drainage separation channel 3, one end of the drainage separation channel 3 is provided with a filter screen 4, one end of the filter screen 4 is provided with a separation piece 8, the bottom end of the separation piece 8 is provided with a bearing piece 9, the middle position of the leukocyte filter 1 is provided with a blood channel 5, the top end of the blood channel 5 is provided with a blood inlet 6, the bottom end of the blood channel 5 is provided with a blood outlet 7, the outer layer of the leukocyte filter 1 is provided with a sound insulation layer 19, one end of the sound insulation layer 19 is provided with a buffer layer 20, one end of the buffer layer 20 is provided with a hydrophobic layer 21, through the leukocyte filter 1, because the outer end of the leukocyte filter 1 is wrapped with a layer of sealing bag 2, the leukocyte filter 1 can be prevented from being polluted by outside air in the using process, when blood enters the leukocyte filter 1, the blood is firstly shunted under the partition of the T-shaped partition 8, the blood is respectively filtered by the filter screen 4 at the left side and the filter screen 4 at the right side, and the blood is filtered when entering and leaving the leukocyte filter 1, so that secondary filtration is completed, the filtration effect is improved, and the utilization space of the leukocyte filter 1 is increased, so that more leukocytes can be filtered, and the device is more efficient when in use, the top end of the sealing bag 2 is connected with the blood inlet pipe 10, one end of the blood inlet pipe 10 is connected with the blood pump 11, the two ends of the sealing bag 2 are provided with the binding bands 12, the noise generated when the blood flows in blood vessels can be reduced through the sound insulation layer 19, the buffer layer 20 and the hydrophobic layer 21, the leukocyte filter 1 can be buffered and protected to a certain extent through the buffer layer 20 when in use, the damage of the leukocyte filter 1 is avoided, the leukocyte filter 1 can be prevented from being adhered to the inner wall of the leukocyte filter 1 in the flowing process through the hydrophobic layer 21, the subsequent cleaning is convenient, the binding bands 12 are arranged at the two ends of the sealing bag 2, the leukocyte filter 1 can be fixed through the binding bands 12 when not used, the equipment is more convenient to use, the observation port 13 is arranged on the base surface of the sealing bag 2, the controller 14 is connected to one end of the sealing bag 2, which is positioned at the bottom end of the binding bands 12, the blood outlet pipe 15 is connected to the bottom of the sealing bag 2, the base 16 is arranged at the back of the sealing bag 2, the exhaust port 17 is arranged at one end of the blood inlet pipe 10 at the top end of the sealing bag 2, the gravity sensor 18 is arranged in the sealing bag 2, the blood pump 11, the controller 14 and the gravity sensor 18 are arranged, the blood pump 11 and, and then can adjust the velocity of flow and the flow of blood through controller 14 control blood pump 11 in the use, because sealing bag 2 is for hanging the use, therefore self has gravity, blood gets into leukocyte filter 1 and can change sealing bag 2's weight, the weight change of detection sealing bag 2 that can be accurate through gravity sensor 18, the inner electric connection of controller 14 has power module, a display module, storage module and alarm module, and then can show the weight change in real time through display module, carry out the storage of data through storage module, be convenient for follow-up analysis, make leukocyte filter 1 more intelligent in the use, make more convenience when equipment uses, certain spreading value has.

The utility model discloses work flow: when in use, the outer end of the leukocyte filter 1 is wrapped with the sealing bag 2, so that the leukocyte filter 1 can be prevented from being polluted by outside air in the use process, the normal use of blood is ensured, when the blood enters the leukocyte filter 1, the blood is firstly shunted under the partition of the T-shaped partition 8, the blood is respectively filtered from the filter net 4 at the left side and the filter net 4 at the right side, and the blood is filtered when entering and leaving the leukocyte filter 1, so that the secondary filtration is completed, the filtration effect is improved, the utilization space of the leukocyte filter 1 is increased, more leukocytes can be filtered, the noise generated when the blood flows in blood vessels can be reduced through the sound insulation layer 19, the leukocyte filter 1 can be buffered and protected to a certain extent in the use process of the leukocyte filter 1 through the buffer layer 20, and the damage of the leukocyte filter 1 is avoided, the hydrophobic layer 21 can prevent blood from being adhered to the inner wall of the leukocyte filter 1 in the flowing process, subsequent cleaning is facilitated, the flow speed and the flow of the blood can be adjusted by controlling the blood pump 11 through the controller 14 in the using process, the sealing bag 2 is suspended for use, gravity exists in the sealing bag, the weight of the sealing bag 2 can be changed when the blood enters the leukocyte filter 1, the weight change of the sealing bag 2 can be accurately detected through the gravity sensor 18, subsequent analysis is facilitated, the leukocyte filter 1 is more intelligent in the using process, the leukocyte filter 1 can be fixed when the leukocyte filter 1 is not used through the bandage 12, and the leukocyte filter has certain popularization value.

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

Claims

1. A bag filter for leukocytes, comprising a leukocyte filter (1) and a sealing bag (2), characterized in that: the utility model discloses a leucocyte filter, including leucocyte filter (1) the inner be equipped with the drainage separate the way (3), drainage separate way (3) one end and be equipped with filter screen (4), filter screen (4) one end is equipped with at a distance from disconnected piece (8), it is equipped with carrier (9) to separate disconnected piece (8) bottom, leucocyte filter (1) intermediate position is equipped with blood passageway (5), blood passageway (5) top is equipped with blood import (6), blood passageway (5) bottom is equipped with blood export (7), leucocyte filter (1) skin is equipped with puigging (19), puigging (19) one end is equipped with buffer layer (20), buffer layer (20) one end is equipped with hydrophobic layer (21), sealing bag (2) top is connected with blood and advances pipe (10), blood advances pipe (10) one end and is connected with blood pump (11), sealing bag (2) both ends are equipped with bandage (12), sealed bag (2) base plane is equipped with viewing aperture (13), sealed bag (2) one end is located bandage (12) bottom and is connected with controller (14), sealed bag (2) bottom is connected with blood exit tube (15), sealed bag (2) back is equipped with base (16), sealed bag (2) top is located blood and advances pipe (10) one end and is equipped with gas vent (17), sealed bag (2) inside is equipped with gravity sensor (18).

2. The bag filter of claim 1, wherein: the blood inlet pipe (10) and the blood outlet pipe (15) are both connected with the blood channel (5) through joints.

3. The bag filter of claim 1, wherein: the inner end of the exhaust port (17) is provided with a one-way membrane, and the exhaust direction of the one-way membrane is from inside to outside.

4. The bag filter of claim 1, wherein: the blood pump (11) and the gravity sensor (18) are both electrically connected with the controller (14), the controller (14) is specifically a PLC controller, and the inner end of the controller (14) is electrically connected with a power supply module, a display module, a storage module and an alarm module.

5. The bag filter of claim 1, wherein: the partition piece (8) is trapezoidal, and the filter screen (4) is fixedly connected with the bearing piece (9).

6. The bag filter of claim 1, wherein: the diameter of the meshes of the filter screen (4) is equal to or less than 6 microns.

7. The bag filter of claim 1, wherein: the pipeline joints of the blood inlet pipe (10) and the blood outlet pipe (15) are provided with T-shaped sealing rings and sealing gaskets.