CN215821883U - Lid subassembly, blood purification device and blood purification equipment - Google Patents
Lid subassembly, blood purification device and blood purification equipment Download PDFInfo
- Publication number
- CN215821883U CN215821883U CN202121073027.5U CN202121073027U CN215821883U CN 215821883 U CN215821883 U CN 215821883U CN 202121073027 U CN202121073027 U CN 202121073027U CN 215821883 U CN215821883 U CN 215821883U
- Authority
- CN
- China
- Prior art keywords
- cover
- cap
- filter screen
- blood purification
- blood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model provides a cover body assembly for a blood purification device, the blood purification device and blood purification equipment, wherein the cover body assembly comprises a cover cap and an end cover, the cover cap is provided with a cap body and a cap brim, the end cover comprises a blood nozzle, a cover body and an annular coupling wall, the blood nozzle and the annular coupling wall are coaxially arranged, the annular coupling wall is used for being matched with the cover cap, a filter screen assembly is arranged between the cover cap and the end cover, and the filter screen assembly comprises a filter screen and a waterproof ring surrounding the end part of the filter screen. According to the cover assembly of the hemoperfusion apparatus, the filter screen assembly with a special structure is arranged between the cover cap and the end cover, wherein the waterproof ring can be tightly contacted with the filter screen, so that relative movement between the waterproof ring and the filter screen can be prevented, the close connection between the cover cap and the end cover is completely ensured, and a better container sealing effect is realized.
Description
Technical Field
The present invention relates to the field of medical equipment, and more particularly to a cover assembly for a blood purification apparatus, a blood purification apparatus including the cover assembly, and a blood purification apparatus including the blood purification apparatus.
Background
The blood perfusion device is a blood purification consumable filled with an adsorbent, and is formed into a disposable blood perfusion device with different functions according to different properties of the adsorbent, and widely applied to departments such as various blood purification centers, nephrology departments, liver disease departments, ICUs and the like.
The blood perfusion device is connected in series in a circulation blood path led out of the body in the blood purification process, the adsorbent adsorbs toxic substances in the blood when the blood flows through the tank body, and the purified blood enters the body again for circulation. Because the requirement on the use environment is extremely strict, the blood perfusion device needs to be well sealed and stored in the storage and transportation links after the adsorbent is assembled, so that harmful substances in the environment in the air are prevented from entering the blood perfusion device, and the effectiveness of the blood perfusion device is ensured. If the cartridge is not sealed tightly, air can enter the cartridge to contaminate the contents of the cartridge, the sterile environment can be compromised, and the contents can leak out of the cartridge, again causing the cartridge to become contaminated.
Generally, the hemoperfusion apparatus is generally cylindrical, the main body is a lightweight plastic cylinder, two ends of the hemoperfusion apparatus are open, and both are provided with end caps having a cap structure at the head, and a sealing cap is provided to cooperate with the cap to tightly seal the cap, and a waterproof ring is usually provided between the end cap, the tank body and the filter screen to increase the sealing performance.
The existing blood perfusion device is provided with a flat pad between an end cover and a filter screen, the flat pad is a circular waterproof ring with uniform thickness arranged between the end cover and the filter screen, and the effect of increasing the airtightness is achieved. However, the waterproof ring with uniform thickness is easy to deform to cause deviation from the original sealing position, and the sliding of the filter screen cannot be avoided, so that the risk of untight sealing is caused.
Disclosure of Invention
The present invention has been made in view of solving the conventional problems, and an object of the present invention is to provide a portable electronic device,
providing:
[1] a cap assembly for a blood purification device, the cap assembly comprising a cap and an end cap, wherein the cap has a cap body and a brim, the end cap comprises a blood spout, a cap body, and an annular coupling wall, the blood spout is coaxially arranged with the annular coupling wall, the annular coupling wall is adapted to mate with the cap,
a filter screen assembly is arranged between the cover cap and the end cover, and the filter screen assembly comprises a filter screen and a waterproof ring surrounding the end part of the filter screen.
[2] The cover assembly for a blood purification apparatus according to the above [1], wherein the waterproof ring surrounds the entire end portion of the filter or a part of the end portion of the filter.
[3] The cover assembly for a blood purification apparatus according to the above [1] or [2], wherein the waterproof ring is integrally formed with the strainer, or the waterproof ring is in contact with the strainer.
[4] The cover assembly for a blood purification device according to the above [3], wherein the waterproof ring is integrally formed with the filter.
[5] The cover unit for a blood purification apparatus according to the above item [1] or [2], wherein a stopper groove for fixing the filter unit is provided around the end cap.
[6] A blood purification device comprising the lid assembly for a blood purification device according to any one of the above [1] to [5] and a cylinder.
[7] A blood purification apparatus comprising the blood purification device of the above [6].
Effects of the utility model
According to the cover assembly of the hemoperfusion apparatus, the filter screen assembly with a special structure is arranged between the cover cap and the end cover, wherein the waterproof ring can be tightly contacted with the filter screen, so that relative movement between the waterproof ring and the filter screen can be prevented, the close connection between the cover cap and the end cover is completely ensured, and a better container sealing effect is realized.
Drawings
Fig. 1 is an exploded perspective view of the blood purification apparatus of the present invention.
FIG. 2 is a front cross-sectional view of a blood perfusion device cover assembly of the present invention.
Description of reference numerals:
1. capping; 2. a cap waterproof plug; 3. an end cap; 4. a waterproof ring; 5. filtering with a screen; 6. a barrel; 7. a rack accommodating space; 8. and (5) filtering by using a filter screen.
Detailed Description
Reference will now be made in detail to various embodiments of the present invention, examples of which are illustrated in the accompanying drawings and described below. While the utility model will be described in conjunction with the exemplary embodiments, it will be understood that they are not intended to limit the utility model to these exemplary embodiments. On the contrary, the present invention includes not only these embodiments but also various modifications and improvements.
The cover body assembly for the blood purification device comprises a cover cap and an end cover, wherein the end cover is used for being combined with a cylinder body for placing the adsorbent, and the cover cap and the end cover are combined to play a role in sealing.
The cap has a cap body and a visor, and the shape of the cap body is not particularly limited, and is preferably cylindrical. In order to facilitate the removal of the cap, it is preferable to provide a plurality of recesses on the entire outer surface of the cap to increase the frictional force of the surface. The brim extends and is arranged at the lower edge of the cap body, and the whole brim is contacted with the end cover. The shape of the visor is circular, and is preferably integrally formed with the cap body.
The end cap comprises a blood nozzle, a cap body and an annular coupling wall, the blood nozzle and the annular coupling wall are coaxially arranged, the annular coupling wall is used for being matched with the cap, the blood nozzle is approximately cylindrical, and the blood nozzle is located on the inner side of the whole annular coupling wall.
A filter screen component is arranged between the cover cap and the end cover, and the filter screen component comprises a filter screen and a waterproof ring surrounding the end part of the filter screen.
The waterproof ring and the filter screen can be integrally formed, or the waterproof ring is abutted against the filter screen.
When the blood filter is installed, the filter screen can be arranged above the waterproof ring or below the waterproof ring from the top to the bottom of the blood inlet end, and when the filter screen and the waterproof ring are integrally formed, the waterproof ring with the sealing and waterproof functions on the periphery is directly arranged between the cover cap and the end cover.
The waterproof ring may surround the entire end of the screen, or may surround a portion of the end of the screen, as long as it can perform the sealing and fixing functions. Surrounding the entire end of the screen means that the waterproof ring covers the upper, side and lower surfaces of the end of the screen. By partially enclosing the end of the screen is meant that the waterproof ring covers the side of the screen and also covers one of the upper or lower surfaces of the end of the screen. From the viewpoint of economy and sealing performance, it is preferable that the waterproof ring covers the side surface and one surface of the end portion of the screen.
When the waterproof ring and the filter screen are integrally formed, the waterproof ring can be adhered to the end part of the filter screen, or the end part of the filter screen is made of the waterproof ring, so that the waterproof ring is objectively used.
In addition, for fixed filter screen and waterproof circle better, can be provided with around above-mentioned end cover and be used for fixing the spacing groove of filter screen subassembly, in addition, can also be according to the size of filter screen subassembly, set up the cell body corresponding with this spacing groove in the top position of barrel, when being connected end cover and barrel, form the tip that holds the filter screen and the space of waterproof circle between this spacing groove and the cell body to fix filter screen and waterproof circle better.
The blood purification device of the utility model is also provided with the cover body component for the blood purification device and the cylinder body, the inside of the cylinder body is filled with the blood purification consumable of the adsorbent, and the type of the adsorbent can be one or more of resin adsorbent, activated carbon adsorbent, natural polymer carrier adsorbent, immunoadsorbent and the like according to requirements. Further, the blood purification apparatus of the present invention includes the above blood purification device.
The following detailed description of the utility model refers to the accompanying drawings, which illustrate specific embodiments in which the utility model can be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the utility model. It is to be understood that the various embodiments of the utility model are different, but not necessarily mutually exclusive. For example, the particular shapes, structures and characteristics described herein may be achieved in one embodiment and in other embodiments without departing from the spirit and scope of the present invention. In addition, it is to be understood that the location or arrangement of individual elements within each disclosed embodiment may be modified without departing from the spirit and scope of the utility model. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined only by the appended claims, along with the full scope of equivalents to which such claims are entitled. In the drawings, like reference numerals denote the same or similar functions in various embodiments, and the length, area, thickness, and the like, and the shape thereof may be enlarged for convenience.
Example 1
The blood perfusion device of the embodiment comprises an adsorption column and sealing devices respectively sealing two ends of the adsorption column,
FIG. 1 is an exploded perspective view of a hemoperfusion cartridge of the present invention, and FIG. 2 is a front sectional view of a hemoperfusion cartridge cover assembly of the present invention. This blood perfusion ware top-down is lid (1), end cover (3), barrel (6) respectively, wherein is provided with the spacing groove on end cover (3), is provided with the cell body on barrel (6), when being connected end cover (3) and barrel (6), forms rack accommodation space (7) between this spacing groove and the cell body.
The barrel (6) is a hollow barrel-shaped structure with a containing chamber, and a cover cap waterproof plug (2) is further arranged in the cover cap (1). The screen assembly (5) comprises a waterproof ring (4) and a screen (8), and as can be seen from fig. 2, the waterproof ring (4) covers the upper surface, the lower surface and the side surfaces of the screen (5). When being connected the installation with end cover (3) and barrel (6), the tip of filter screen subassembly (5) is arranged in rack accommodation space (7) that forms between end cover (3) and barrel (6) to realized that waterproof circle (4) surround at the whole tip of filter screen subassembly (5), this moment, waterproof circle (4) and filter screen subassembly (5) are full of rack accommodation space (7), form airtight space.
The blood perfusion device with the structure has the advantages that the whole end part of the filter screen is surrounded by the waterproof ring (4), so that the friction force between the filter screen assembly and the wall of the tank body is increased, the relative movement of the filter screen assembly is limited, the close connection between the cover cap and the end cover is completely ensured, and the good container sealing effect is realized.
Industrial applicability
The cover body assembly of the blood perfusion device can be widely applied to the blood purification device, and the blood purification equipment with the device has excellent sealing performance, so that substances in the device are prevented from being polluted by the outside when the cover body assembly is used, and the blood purification environment is ensured.
Claims (6)
1. A cover body assembly for a blood purification device is characterized by comprising a cover cap and an end cover, wherein the cover cap is provided with a cap body and a cap peak, the end cover comprises a blood nozzle, a cover body and an annular coupling wall, the blood nozzle and the annular coupling wall are coaxially arranged, the annular coupling wall is used for being matched with the cover cap,
a filter screen assembly is arranged between the cover cap and the end cover and comprises a filter screen and a waterproof ring surrounding the end part of the filter screen.
2. The cover assembly for a blood purification apparatus according to claim 1, wherein the waterproof ring surrounds the entire end portion of the filter mesh, or a part of the end portion of the filter mesh.
3. The cover assembly for a blood purification apparatus according to claim 1 or 2, wherein the waterproof ring is integrally formed with the filter net, or the waterproof ring abuts against the filter net.
4. The cover assembly for a blood purification apparatus according to claim 1 or 2, wherein a stopper groove for fixing the filter screen assembly is provided around the end cap.
5. A blood purification apparatus comprising the lid assembly for a blood purification apparatus according to any one of claims 1 to 4 and a cylinder.
6. A blood purification apparatus comprising the blood purification device according to claim 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120303317 | 2021-02-03 | ||
| CN2021203033178 | 2021-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215821883U true CN215821883U (en) | 2022-02-15 |
Family
ID=80188905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121073027.5U Active CN215821883U (en) | 2021-02-03 | 2021-05-19 | Lid subassembly, blood purification device and blood purification equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215821883U (en) |
-
2021
- 2021-05-19 CN CN202121073027.5U patent/CN215821883U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6840107B2 (en) | Systems with adapters for closed transfer of fluids | |
| US11690786B2 (en) | Adapter for vial access device | |
| JP6895942B2 (en) | Puncture member for container access device | |
| JP6334615B2 (en) | Pressure equalizer | |
| US4957518A (en) | Assembly useful for retaining components such as a filter to a container and a corresponding combination | |
| CA2929376A1 (en) | System with adapter for closed transfer of fluids | |
| PT2717827E (en) | Connection device between a recipient and a container and method for assembling and using such a device | |
| ATE429967T1 (en) | LIQUID FILTER ARRANGEMENT AND METHOD | |
| CN104428021B (en) | Injecting assembly | |
| CN110446481B (en) | Device for sampling a liquid contained in a container, associated container and use of the container | |
| CN215821883U (en) | Lid subassembly, blood purification device and blood purification equipment | |
| ATE311237T1 (en) | FILTER CARTRIDGE FOR A FILTER ARRANGEMENT | |
| CN109229744A (en) | It is a kind of to seal fungi-proofing capsule endoscope packing device | |
| WO2014161434A1 (en) | Anti-overflow fluid injecting bottle | |
| US11801200B2 (en) | Vial adaptor with housing | |
| CN216629298U (en) | Cover body assembly, blood purification device and blood purification equipment | |
| ES2816555T3 (en) | Piercing element for container access device | |
| CN210250732U (en) | Plasma adsorber and packaging structure of adsorbent thereof | |
| CN204275129U (en) | A kind of blood perfusion device of good airproof performance | |
| KR101403358B1 (en) | the reagent bottle cap preventing both fuming and rolling down of reagent drop | |
| CN103271823B (en) | Combined cover for infusion | |
| CN208260797U (en) | A kind of dropper apparatus for placing | |
| CN218432658U (en) | Multifunctional bottle cap | |
| CN201200660Y (en) | DNA immunoadsorption column | |
| CN219941450U (en) | Disposable air filter for blood transfusion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |