CN210447735U

CN210447735U - Blood component filtering and exhausting device and blood storage bag thereof

Info

Publication number: CN210447735U
Application number: CN201920875966.8U
Authority: CN
Inventors: 张斗才; 袁伟; 胡锋; 周璋
Original assignee: Yijishan Hospital of Wannan Medical College
Current assignee: Yijishan Hospital of Wannan Medical College
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-05-05
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses an exhaust apparatus is filtered to blood composition and blood storage bag thereof, including blood storage bag, a supporting pipe, a supporting shoe, a spring, the slider, first drainage hole, the second drainage hole, the blast pipe, the adapter sleeve, the fluid-discharge tube, the knock pin, a filter, the connecting pipe, this exhaust apparatus is filtered to blood composition and blood storage bag thereof, through using the device, can carry out earlier exhaust treatment after filtering with blood, with this blood of collection in letting the blood storage bag not only filtered, and the gas in the entering blood storage bag is also discharged the external world, has ensured the storage quality of blood composition in the blood storage bag.

Description

Blood component filtering and exhausting device and blood storage bag thereof

Technical Field

The utility model relates to a blood storage bag especially relates to blood component filters exhaust apparatus and blood storage bag thereof.

Background

In the field of blood collection and transfusion, the storage or application of blood components is currently achieved by removing unwanted blood components such as white blood cells by filtration, in particular against whole blood, suspension of red blood cells and platelets, and collecting the filtrate. In view of the above-mentioned shortcomings, it is necessary to design a blood component filtering and exhausting device and a blood storage bag thereof.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: provides a blood component filtering and exhausting device and a blood storage bag thereof, which solve the problems of the background technology.

In order to solve the technical problem, the technical scheme of the utility model is that: the blood component filtering and exhausting device comprises a blood storage bag, a supporting pipe, a supporting block, a spring, a sliding block, a first liquid discharge hole, a second liquid discharge hole, an exhaust pipe, a connecting sleeve, a liquid discharge pipe, a top pin, a filter and a connecting pipe, wherein the supporting pipe penetrates through the inner end of the blood storage bag, the supporting pipe is connected with a blood storage bag adhesive, the supporting block is positioned at the upper end inside the supporting pipe, the supporting block is connected with the supporting pipe adhesive, the spring is positioned at the left side and the right side of the top of the supporting block, the spring is connected with the supporting block adhesive, the sliding block is positioned at the top of the spring, the sliding block is connected with the spring adhesive, the sliding block is connected with the supporting pipe in a sliding manner, the first liquid discharge hole is positioned inside the sliding block, the first liquid discharge hole is integrally connected with the sliding block, and the, the second outage and the stay tube are connected integrally, the exhaust pipe runs through the left side and the right side of the top of the blood storage bag, the exhaust pipe is connected with the blood storage bag adhesive, the connecting sleeve is located at the top of the stay tube, the connecting sleeve is connected with the taper thread of the stay tube, the liquid discharge tube runs through the top of the connecting sleeve, the liquid discharge tube is connected with the connecting sleeve adhesive, the knock pin is located at the inner bottom end of the liquid discharge tube, the knock pin is connected with the liquid discharge tube adhesive, the filter is located at the top of the liquid discharge tube, the filter is connected with the liquid discharge tube adhesive, the connecting pipe is located at the top of the filter, and the connecting pipe is connected with the filter adhesive.

Furthermore, the lower end in the supporting tube is also provided with a stop block, and the stop block is connected with the adhesive of the supporting tube.

Further, the bottom end in the supporting tube is also provided with a rubber block, and the rubber block is connected with the supporting tube adhesive.

Furthermore, a first check valve is further arranged inside the first drainage hole and connected with the first drainage hole adhesive.

Further, the outer wall of the exhaust pipe is also provided with a second one-way valve, and the second one-way valve is connected with the exhaust pipe adhesive.

Further, the inside lower extreme of blast pipe still be equipped with waterproof ventilated membrane, waterproof ventilated membrane link to each other with the blast pipe adhesive.

Furthermore, the outer wall of the connecting pipe is also provided with a valve, and the valve is connected with the adhesive of the connecting pipe.

Compared with the prior art, before the blood component filtering and exhausting device and the blood storage bag thereof are used, the connecting pipe is firstly connected with an external container for storing blood in the prior art in a conical thread mode, when the blood component filtering and exhausting device is used, medical staff is firstly connected with the connecting sleeve and the supporting pipe, so that the ejector pin applies extrusion force to the sliding block, namely, the sliding block moves from top to bottom along the direction of the supporting pipe, the spring is in a deformed state synchronously, when the connecting sleeve is contacted with the blood storage bag, the first liquid discharging hole and the second liquid discharging hole are overlapped, the medical staff opens the air valve by hands, so that the blood in the external container is discharged into the filter through the connecting pipe, the filtered blood is discharged into the blood storage bag through the first liquid discharging hole and the second liquid discharging hole which are overlapped by the liquid discharging pipe, and synchronously, the air in the external container can also be discharged into the blood storage bag along with the blood, under the action of the waterproof breathable film, blood discharged into the blood storage bag cannot be discharged to the outside through the exhaust pipe, after the blood collected in the blood storage bag meets the requirements of medical workers, the medical workers firstly close the air valve by hands, then separate the connecting sleeve from the supporting pipe, namely, the extrusion force of the ejector pin to the sliding block disappears, the sliding block is reset by the action of the resilience force of the spring, namely, the first liquid discharge hole and the second liquid discharge hole are staggered mutually, the medical workers press the blood storage bag by hands, so that the air in the blood storage bag is discharged to the outside through the exhaust pipe, namely, the air in the blood storage bag is subjected to exhaust treatment, under the action of the second one-way valve, the outside air cannot be discharged into the blood storage bag through the exhaust pipe, the blood component filtering and exhausting device and the blood storage bag thereof can carry out exhaust treatment after filtering the blood firstly, so that the blood collected in the blood storage bag is not only filtered, and the gas discharged into the blood storage bag is also discharged outside, so that the storage quality of blood components in the blood storage bag is ensured, meanwhile, the rubber block is used for blocking the inner bottom end of the supporting tube, the stop block is used for preventing the blood collected in the blood storage bag from being discharged into the upper end of the inner part of the supporting tube from the lower end of the inner part of the second liquid discharge hole, the first one-way valve is used for preventing the blood in the blood storage bag from instantly overflowing from the positions of the first liquid discharge hole and the second liquid discharge hole which are overlapped with each other when the connecting sleeve is separated from the supporting tube, and the sliding block is made of rubber.

Drawings

FIG. 1 is a partial front cross-sectional view of a blood component filtering and venting device and its blood storage bag;

FIG. 2 is a sectional view of the connection sleeve and the support tube;

FIG. 3 is an enlarged cross-sectional view of the interior of the support tube;

fig. 4 is an internal sectional view of the exhaust pipe.

The blood storage bag comprises a blood storage bag 1, a support tube 2, a support block 3, a spring 4, a slide block 5, a first liquid discharge hole 6, a second liquid discharge hole 7, an exhaust tube 8, a connecting sleeve 9, a liquid discharge tube 10, a top pin 11, a filter 12, a connecting tube 13, a valve 101, a stop block 201, a rubber block 202, a first one-way valve 601, a second one-way valve 801 and a waterproof and breathable film 802.

The following detailed description will be further described in conjunction with the above-identified drawings.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail.

As shown in fig. 1, 2, 3 and 4, the blood component filtering and exhausting device and the blood storage bag thereof comprise a blood storage bag 1, a support tube 2, a support block 3, a spring 4, a slide block 5, a first liquid discharge hole 6, a second liquid discharge hole 7, an exhaust tube 8, a connecting sleeve 9, a liquid discharge tube 10, a top pin 11, a filter 12 and a connecting tube 13, wherein the support tube 2 penetrates through the middle end of the blood storage bag 1, the support tube 2 is connected with the blood storage bag 1 through an adhesive, the support block 3 is arranged at the upper end inside the support tube 2, the support block 3 is connected with the support tube 2 through an adhesive, the spring 4 is arranged at the left side and the right side of the top of the support block 3, the spring 4 is connected with the support block 3 through an adhesive, the slide block 5 is arranged at the top of the spring 4, the slide block 5 is connected with the adhesive of the spring 4, the slide block 5 is connected with the support tube 2 through, the first liquid discharging hole 6 is integrally connected with the sliding block 5, the second liquid discharging holes 7 are positioned at the left side and the right side inside the supporting tube 2, the second liquid discharging holes 7 are integrally connected with the supporting tube 2, the exhaust pipe 8 penetrates through the left side and the right side of the top of the blood storage bag 1, the exhaust pipe 8 is connected with the adhesive of the blood storage bag 1, the connecting sleeve 9 is positioned at the top of the supporting tube 2, the connecting sleeve 9 is connected with the supporting tube 2 through conical threads, the liquid discharging tube 10 penetrates through the top of the connecting sleeve 9, the liquid discharging tube 10 is connected with the adhesive of the connecting sleeve 9, the top pin 11 is positioned at the bottom inside the liquid discharging tube 10, the top pin 11 is connected with the adhesive of the liquid discharging tube 10, the filter 12 is positioned at the top of the liquid discharging tube 10, the filter 12 is connected with the adhesive of the liquid discharging tube 10, the connecting pipe 13 is positioned at the top of the filter, the inside lower extreme of stay tube 2 still be equipped with dog 201,

dog

201 and 2 adhesives of stay tube link to each other, the inside bottom of 2 inside bottoms of stay tubes still be equipped with block rubber 202,

block rubber

202 and 2 adhesives of stay tube link to each other, first drain hole 6 inside still be equipped with first check valve 601,

first check valve

601 and 6 adhesives of first drain hole link to each other, 8 outer walls of blast pipe still be equipped with second check valve 801,

second check valve

801 and 8 adhesives of blast pipe link to each other, the inside lower extreme of 8 exhaust pipes still be equipped with waterproof ventilated membrane 802, waterproof ventilated

membrane

802 and 8 adhesives of blast pipe link to each other, 13 outer walls of connecting pipe still be equipped with air gate valve 101,

air gate valve

101 and 13 adhesives of connecting pipe link to each other.

Before the blood component filtering and exhausting device and the blood storage bag thereof are used, firstly, a connecting pipe 13 is connected with an external container for storing blood in the prior art in a conical thread mode, when the blood component filtering and exhausting device is used, a medical worker is firstly connected with a connecting sleeve 9 and a supporting pipe 2 so as to enable a top pin 11 to apply extrusion force to a slide block 5, namely, the slide block 5 moves from top to bottom along the direction of the supporting pipe 2, and synchronously, a spring 4 is in a deformed state, when the connecting sleeve 9 is contacted with the blood storage bag 1, at the moment, a first liquid discharging hole 6 and a second liquid discharging hole 7 are coincided, the medical worker opens an air door valve 101 by hands so as to enable the blood in the external container to be discharged into a filter 12 through the connecting pipe 13, the blood is filtered through the filter 12, and the filtered blood is discharged into the blood storage bag 1 through the first liquid discharging hole 6 and the second liquid discharging hole 7 which are coincided with each, synchronously, air in an external container can be discharged into the blood storage bag 1 along with blood, under the action of the waterproof breathable film 802, the blood discharged into the blood storage bag 1 can not be discharged out of the environment through the exhaust pipe 8, after the blood collected in the blood storage bag 1 meets the requirement of medical personnel, the medical personnel firstly close the air door valve 101 by hand, then separate the connecting sleeve 9 from the supporting pipe 2, namely, the extrusion force of the ejector pin 11 to the sliding block 5 disappears, the sliding block 5 is reset through the action of the resilience force of the spring 4, namely, the first liquid discharge hole 6 and the second liquid discharge hole 7 are mutually staggered, the medical personnel press the blood storage bag 1 by hand, so that the air in the blood storage bag 1 is discharged out of the environment through the exhaust pipe 8, namely, the air in the blood storage bag 1 is subjected to exhaust treatment, under the action of the second one-way valve 801, the external air can not be discharged into the blood storage bag 1 through the exhaust pipe 8, and meanwhile, the rubber block 202 is used for blocking the bottom end in the supporting pipe 2, the stopper 201 is used for preventing blood collected in the blood storage bag 1 from being discharged into the upper end of the supporting tube 2 from the lower end of the second liquid discharge hole 7, the first check valve 601 is used for preventing blood in the blood storage bag 1 from instantly overflowing from the positions of the first liquid discharge hole 6 and the second liquid discharge hole 7 which are overlapped when the connecting sleeve 9 is separated from the supporting tube 2, and the sliding block 5 is made of rubber.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. The blood component filtering and exhausting device and the blood storage bag thereof are characterized by comprising a blood storage bag, a supporting tube, a supporting block, a spring, a sliding block, a first liquid discharge hole, a second liquid discharge hole, an exhaust pipe, a connecting sleeve, a liquid discharge pipe, a top pin, a filter and a connecting pipe, wherein the supporting tube penetrates through the inner end of the blood storage bag, the supporting tube is connected with a blood storage bag adhesive, the supporting block is positioned at the upper end inside the supporting tube, the supporting block is connected with the supporting tube adhesive, the spring is positioned at the left side and the right side of the top of the supporting block, the spring is connected with the supporting block adhesive, the sliding block is positioned at the top of the spring, the sliding block is connected with the spring adhesive, the sliding block is connected with the supporting tube in a sliding manner, the first liquid discharge hole is positioned inside the sliding block, the first liquid discharge hole is integrally connected with, the second outage and the stay tube are connected integrally, the exhaust pipe runs through the left side and the right side of the top of the blood storage bag, the exhaust pipe is connected with the blood storage bag adhesive, the connecting sleeve is located at the top of the stay tube, the connecting sleeve is connected with the taper thread of the stay tube, the liquid discharge tube runs through the top of the connecting sleeve, the liquid discharge tube is connected with the connecting sleeve adhesive, the knock pin is located at the inner bottom end of the liquid discharge tube, the knock pin is connected with the liquid discharge tube adhesive, the filter is located at the top of the liquid discharge tube, the filter is connected with the liquid discharge tube adhesive, the connecting pipe is located at the top of the filter, and the connecting pipe is connected with the filter adhesive.

2. The blood component filtering and venting device and blood storage bag according to claim 1, wherein said support tube further comprises a stopper at the inner lower end of said support tube, said stopper being connected to the support tube adhesive.

3. The blood component filtering and venting device and blood storage bag according to claim 2, wherein a rubber block is further provided at the inner bottom end of the support tube, and the rubber block is connected to the support tube adhesive.

4. The blood component filtering and venting device and blood storage bag according to claim 3, wherein a first one-way valve is further disposed inside said first vent, said first one-way valve being connected to said first vent adhesive.

5. The blood component filtering and venting device and blood storage bag according to claim 4, wherein said venting tube further comprises a second one-way valve on the outer wall thereof, said second one-way valve being connected to said venting tube adhesive.

6. The blood component filtering and venting apparatus and blood storage bag according to claim 5, wherein said vent tube further comprises a waterproof and gas permeable membrane at the inner lower end thereof, said waterproof and gas permeable membrane being connected to said vent tube adhesive.

7. The blood component filtering and exhausting device and the blood storing bag thereof as claimed in claim 6, wherein the outer wall of the connecting tube is further provided with a valve, and the valve is connected with the adhesive of the connecting tube.