CN220175715U - Blood purification device shell, blood purification device and blood purification assembly - Google Patents
Blood purification device shell, blood purification device and blood purification assembly Download PDFInfo
- Publication number
- CN220175715U CN220175715U CN202321686985.9U CN202321686985U CN220175715U CN 220175715 U CN220175715 U CN 220175715U CN 202321686985 U CN202321686985 U CN 202321686985U CN 220175715 U CN220175715 U CN 220175715U
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- connector
- blood purification
- blood
- shell
- purification device
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- 239000008280 blood Substances 0.000 title claims abstract description 123
- 210000004369 blood Anatomy 0.000 title claims abstract description 123
- 238000000746 purification Methods 0.000 title claims abstract description 83
- 239000012528 membrane Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000003463 adsorbent Substances 0.000 claims description 4
- 239000003146 anticoagulant agent Substances 0.000 claims description 4
- 229940127219 anticoagulant drug Drugs 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000000499 gel Substances 0.000 claims description 2
- 230000017531 blood circulation Effects 0.000 abstract description 5
- 208000028867 ischemia Diseases 0.000 abstract description 3
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 230000004308 accommodation Effects 0.000 description 4
- 230000008081 blood perfusion Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001631 haemodialysis Methods 0.000 description 2
- 230000000322 hemodialysis Effects 0.000 description 2
- 206010008479 Chest Pain Diseases 0.000 description 1
- 206010033557 Palpitations Diseases 0.000 description 1
- 230000010100 anticoagulation Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000002615 hemofiltration Methods 0.000 description 1
- 230000001951 hemoperfusion Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002616 plasmapheresis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 108700012359 toxins Proteins 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to the technical field of blood purification devices, in particular to a blood purification device shell, a blood purification device and a blood purification assembly, wherein the blood purification device shell comprises a shell, a containing cavity is arranged in the shell, a first connector and a second connector which are communicated with the containing cavity are respectively arranged at two ends of the shell, and the first connector and the second connector are mutually adaptive. The blood purification devices with the structure can be directly connected, a connecting pipe is omitted, the operation convenience of constructing a blood circulation flow path is improved, the blood chamber capacity of a patient outside the body is reduced, and the influence on life safety caused by ischemia in the body of the patient is avoided. Through mutually supporting between first connector and the second connector for can assemble by end to end connection between the blood purification connecting device, improve the functionality of blood purification pipeline under the prerequisite that does not influence patient life safety.
Description
Technical Field
The utility model relates to the technical field of blood purification devices, in particular to a blood purification device shell, a blood purification device and a blood purification assembly.
Background
The blood purification is to draw the blood of the patient out of the body, remove harmful substances in the blood through blood purifiers such as hemodialysis, hemoperfusion, plasmapheresis, hemofiltration and the like, and then introduce the purified blood into the body through a circulating pipeline for repeated circulation so as to achieve the purpose of treating diseases.
To meet the therapeutic needs of different patients, it is often necessary to use two or more blood purifiers in series in the blood purification treatment, for example, hemodialysis in combination with blood perfusion, or two or more blood perfusion devices for adsorbing different toxins, or blood perfusion in combination with an anticoagulation module. At present, when different blood purification devices are clinically used in series, connection pipes are needed to be used for connection. On the one hand, a plurality of connection points exist in the construction of the whole extracorporeal purifying blood flow path, the operation of medical staff is complicated, the risks of blood leakage and liquid leakage at the joint can be increased due to the plurality of connection points, and the treatment risk is increased. On the other hand, the connecting pipes have a certain length, and the increase of the number of the connecting pipes can increase the blood chamber capacity of a patient in vitro, so that the symptoms such as palpitation, chest distress and the like are easily caused in the patient, and the life safety of the patient is influenced.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a blood purifying device housing, a blood purifying device and a blood purifying assembly for solving the problems of the prior art that the connection of two or more blood purifiers by a connecting tube is inconvenient to operate, and increases the volume of a blood chamber outside a patient, which causes ischemia in the patient.
To achieve the above and other related objects, the present utility model provides a blood purifying device housing, including a housing, a receiving cavity is provided in the housing, two ends of the housing are respectively provided with a first connector and a second connector which are communicated with the receiving cavity, and the first connector and the second connector have adaptability; the first connector is provided with a first channel communicated with the accommodating cavity, and the second connector is provided with a second channel communicated with the accommodating cavity.
Optionally, the first connector is provided with a first connecting part, the second connector is provided with a second connecting part matched with the first connecting part, and the first connecting part of one blood purifying device shell is detachably connected with the second connecting part of the other blood purifying device shell through a thread structure.
Optionally, the thread structure is an internal thread provided on the first connection portion and an external thread provided on the second connection portion.
Optionally, the first connector and the second connector are connected through a conical surface structure in an adapting mode, and the conical surface structure is a conical convex column arranged on the first connector and a conical hole arranged on the second connector.
Optionally, a sealing element is arranged on the outer wall of the conical protruding column or the inner wall of the conical hole.
Optionally, the first connector and the second connector are both disposed along an axial direction of the housing; the first end of casing is provided with the arch, the second end of casing be provided with protruding matched with bayonet socket, when protruding card is gone into the bayonet socket, two blood purification connecting device between the circumference relative locking.
Optionally, one of the first connector and the second connector is a luer male connector, and the other connector is a luer female connector.
The utility model also provides a blood purification device, which comprises the blood purification device shell, wherein at least one of adsorbent, solid or gel anticoagulant and fiber membrane is arranged in the accommodating cavity of the blood purification device shell.
The utility model also provides a blood purification assembly comprising at least two blood purification devices connected end to end.
Optionally, the blood purification connection assembly further comprises an adapter for connecting the second connector and the blood purification tube.
As described above, the blood purification device housing of the present utility model has the following advantageous effects:
the inside accommodation chamber that is provided with of casing, the both ends of casing are provided with first connector and the second connector that communicates with the accommodation chamber respectively, and first connector and second connector can mutually support. When two or more blood purification devices are used in series for blood purification treatment, the blood purification device shell of the utility model allows the blood purification devices to be directly connected without connecting pipes, reduces the number of connection points on a blood flow channel, improves the operation efficiency of constructing a blood flow circuit, reduces the blood chamber capacity of a patient outside the body, and avoids influencing life safety due to ischemia in the patient. Through the mutually supporting of first connector and second connector for can assemble by the head-to-tail connection between two blood purification device shells, can set up the same blood purification material in each blood purification connecting device, also can set up different blood purification material, improve blood purification module's functionality under the prerequisite that does not influence patient life safety.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of a housing of a blood purification device of the present utility model;
FIG. 2 is a perspective view of an embodiment of a housing of a blood purification device of the present utility model;
FIG. 3 is another perspective view of an embodiment of a housing of a blood purification device of the present utility model;
FIG. 4 is a cross-sectional view of another embodiment of a housing of a blood purification device of the present utility model;
FIG. 5 is a cross-sectional view of yet another embodiment of a housing of a blood purification device of the present utility model;
FIG. 6 is a cross-sectional view of a blood purification assembly according to an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of an adapter according to an embodiment of the utility model.
Description of the part reference numerals
1-a housing; 11-a receiving cavity; 12-bayonet; 13-flanges; 14-bulge; 2-a first connector; 21-a first connection; 22-conical posts; 23-a first channel; 24-internal threads; 3-a second connector; 31-a second connection; 32-a tapered hole; 33-a second channel; 34-external threads; 4-a seal; 5-adapter.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex. The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Referring to fig. 1 to 3, the present embodiment provides a blood purifying apparatus housing disposed in a blood purifying tube for connecting the blood purifying tube and the blood purifier or for connecting the two blood purifiers. The blood purification device shell includes the casing 1 of cylinder, is provided with accommodation chamber 11 in the casing 1, and casing 1 is provided with first connector 2 and second connector 3 respectively along blood direction of delivery's both ends to first connector 2 and second connector 3 all communicate with accommodation chamber 11. The blood purification device housing is connected with a blood purification pipeline or a blood purifier through a first connector 2 and a second connector 3. The first connector 2 and the second connector 3 have adaptability, and the first connector 2 of one blood purification device housing and the second connector 3 of the other blood purification device housing can be assembled together. The first connector 2 has a first passage 23, and the first connector 2 communicates with the accommodating chamber 11 through the first passage 23. The second connector 3 has a second channel 33, and the second connector 3 communicates with the accommodating cavity 11 through the second channel 33. One or more blood purification materials, such as adsorbents, solid anticoagulants, fiber membranes, etc., may be disposed in the housing chamber 11 of the housing 1 to purify and adsorb blood passing through the housing chamber 11. If the shell 1 is filled with the fiber membrane, the two ends of the fiber membrane bundle are glued as in the prior dialyzer, and the side wall of the shell 1 is also provided with a dialysate inlet and a dialysate outlet. Blood flows into the accommodating cavity 11 from the blood purifying pipeline through one of the first connector 2 and the second connector 3, and flows out of the accommodating cavity 11 through the other of the first connector 2 and the second connector 3, so that the blood purifying connecting device can play a role in connection and also play a role in adsorbing and purifying flowing blood.
In one embodiment, the two ends of the accommodating cavity 11 along the blood conveying direction are respectively provided with a filter screen, and the blood purifying material is arranged between the two filter screens, so that the blood purifying material is prevented from flowing out of the accommodating cavity 11 along with blood.
In one embodiment, a mesh bag is disposed in the accommodating cavity 11, and is connected to the inner wall of the accommodating cavity 11 in a fixed or detachable connection manner, and a blood purifying material is disposed in the mesh bag.
In one embodiment, as shown in fig. 1, the first connector 2 has a first connecting portion 21, the first connecting portion 21 being provided along the axial direction of the housing 1 and extending in a direction away from the housing 1, the first connecting portion 21 being hollow. The second connector 3 is disposed along the axial direction of the housing 1 and extends in a direction away from the housing 1, and the second connecting portion 31 is hollow. The first connector 2 of a blood purification device shell and the second connector 3 of another blood purification device shell can mutually support to first connecting portion 21 can be dismantled through the helicitic texture with second connecting portion 31 and be connected, make things convenient for head and tail dismouting connection between a plurality of blood purification device shells, also improve the leakproofness of junction.
In one embodiment, as shown in fig. 1, the screw structure includes an internal screw provided on an inner wall of the first connection part 21 and an external screw provided on an outer circumference of the second connection part 31.
In one embodiment, as shown in fig. 1, the first connector 2 and the second connector 3 are connected by a conical surface structure, and the conical surface structure comprises a conical convex column 22 arranged in the first connector 2 and a conical hole 32 arranged on the second connector 3. The tapered boss 22 is provided in the axial direction of the first coupling head 2, and the tapered boss 22 is hollow and open at both ends. The tapered hole 32 penetrates the second connector 3 in the axial direction. When the two blood purification device housings are connected, the conical protruding column 33 is matched in the conical hole 32, and the outer wall of the conical protruding column 22 abuts against the inner wall of the conical hole 32.
In one embodiment, as shown in fig. 4, a sealing member 4 is provided on the outer wall of the tapered boss 22 or the inner wall of the tapered hole 32, and the sealing member 4 is used to seal between the outer wall of the tapered boss 22 and the inner wall of the tapered hole 32.
In one embodiment, as shown in fig. 4, the seal 4 is a sealing block, the bottom of which abuts against the bottom wall of the tapered bore 32, and the top of which abuts against the annular top wall of the tapered bore 32.
In one embodiment, as shown in fig. 5, the seal 4 is a seal ring, the outer ring of which abuts against the inner wall of the tapered hole 32.
In one embodiment, as shown in fig. 1, the first connector 2 and the second connector 3 are each provided along the axial direction of the housing 1, the first end of the housing 1 is provided with a flange 13, and the flange 13 is provided along the axial direction of the housing 1 and extends in a direction away from the housing 1. The diameter of the flange 13 is equal to the diameter of the first end of the housing 1, and the end face of the flange 13 is provided with a protrusion 14. The second end surface edge of the shell 1 is provided with a bayonet 12, the bulge 14 is matched with the bayonet 12, and when the bulge 14 is clamped into the bayonet 12, the two blood purification device shells are locked in a circumferential opposite mode.
In one embodiment, one of the first connector 2 and the second connector 3 is a luer male connector, and the other is a luer female connector.
In one embodiment, the blood purification device can be divided into 3 parts, and the blood purification device is formed by combining a middle hollow cylinder part with end covers at two ends, wherein the combination mode can be screw connection or welding connection. The end covers at the two ends are respectively provided with a first connector 2 and a second connector 3.
The present embodiment also provides a blood purification device including the blood purification device housing as described above, wherein the accommodating chamber 11 of the blood purification device housing is filled with at least one of an adsorbent, a solid or gel-state anticoagulant, and a fibrous membrane.
The present embodiment also provides a blood purification module, as shown in fig. 6, comprising at least two blood purification devices connected end to end. Each blood purifying device can be filled with the same blood purifying material or different blood purifying materials, so that the functionality of the blood purifying pipeline is improved.
In one embodiment, the blood purification assembly further comprises an adapter 5 for connecting the second connector 3 and the blood purification tube together, as shown in fig. 7, both ends of the adapter 5 are female male connectors. The joint of the blood purification pipeline is generally an external thread female joint, and the second connector 3 is also an external thread female joint, so that when the second connector 3 is connected with the blood purification pipeline, an adapter is required to be arranged on the second connector 3, the second connector 3 is converted into an internal thread male joint, and then the internal thread male joint is connected with the external thread female joint of the blood purification pipeline.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. The shell of the blood purification device is characterized by comprising a shell, wherein a containing cavity is arranged in the shell, a first connector and a second connector which are communicated with the containing cavity are respectively arranged at two ends of the shell, and the first connector and the second connector have mutual adaptability; the first connector is provided with a first channel communicated with the accommodating cavity, and the second connector is provided with a second channel communicated with the accommodating cavity.
2. The blood purification device housing of claim 1, wherein: the first connector is provided with a first connecting part, the second connector is provided with a second connecting part matched with the first connecting part, and the first connecting part of one blood purifying device shell can be detachably connected with the second connecting part of the other blood purifying device shell through a thread structure.
3. The blood purification device housing of claim 2, wherein: the thread structure is an internal thread arranged on the first connecting part and an external thread arranged on the second connecting part.
4. The blood purification device housing of claim 1, wherein: the first connector and the second connector are matched through a conical surface structure, and the conical surface structure is a conical convex column arranged on the first connector and a conical hole arranged on the second connector.
5. The blood purification device housing of claim 4, wherein: and a sealing piece is arranged on the outer wall of the conical convex column or the inner wall of the conical hole.
6. The blood purification device housing of claim 1, wherein: the first connector and the second connector are arranged along the axial direction of the shell; the first end of casing is provided with the arch, the second end of casing be provided with protruding matched with bayonet socket, when protruding card is gone into the bayonet socket, two blood purification connecting device between the circumference relative locking.
7. The blood purification device housing of claim 1, wherein: one of the first connector and the second connector is a luer male connector, and the other connector is a luer female connector.
8. A blood purification apparatus comprising a blood purification apparatus housing as claimed in any one of claims 1 to 7, characterized in that: at least one of adsorbent, solid or gel anticoagulant and fiber membrane is arranged in the accommodating cavity of the blood purifying device shell.
9. A blood purification assembly comprising at least two blood purification devices according to claim 8 connected end to end.
10. A blood purification assembly according to claim 9, wherein: the blood purification assembly further comprises an adapter for connecting the second connector and the blood purification tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321686985.9U CN220175715U (en) | 2023-06-29 | 2023-06-29 | Blood purification device shell, blood purification device and blood purification assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321686985.9U CN220175715U (en) | 2023-06-29 | 2023-06-29 | Blood purification device shell, blood purification device and blood purification assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220175715U true CN220175715U (en) | 2023-12-15 |
Family
ID=89101208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321686985.9U Active CN220175715U (en) | 2023-06-29 | 2023-06-29 | Blood purification device shell, blood purification device and blood purification assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220175715U (en) |
-
2023
- 2023-06-29 CN CN202321686985.9U patent/CN220175715U/en active Active
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