CN219941450U - Disposable air filter for blood transfusion device - Google Patents
Disposable air filter for blood transfusion device Download PDFInfo
- Publication number
- CN219941450U CN219941450U CN202321402658.6U CN202321402658U CN219941450U CN 219941450 U CN219941450 U CN 219941450U CN 202321402658 U CN202321402658 U CN 202321402658U CN 219941450 U CN219941450 U CN 219941450U
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- CN
- China
- Prior art keywords
- lower shell
- fixed
- air filter
- blood transfusion
- guide grooves
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- 239000008280 blood Substances 0.000 title claims abstract description 24
- 210000004369 blood Anatomy 0.000 title claims abstract description 24
- 238000009423 ventilation Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- 244000000010 microbial pathogen Species 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000001990 intravenous administration Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model is suitable for the technical field of medical equipment, and provides an air filter for a disposable blood transfusion device, which comprises a lower shell part, a filter screen part arranged in the lower shell part in a sliding manner, a ventilation part arranged in the lower shell part in a sliding manner, an upper shell part arranged on the lower shell part in an inserting manner and a nut connected to the outer circumferential side surface of the upper shell part in a threaded manner.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to an air filter for a disposable blood transfusion device.
Background
The air filter for blood transfusion is a common medical apparatus, in the air, various particles and pathogenic microorganisms with different sizes are dispersed, and most of the pathogenic microorganisms are attached to the surfaces of various dust particles which are more than several times larger than the particles, so that the particles and the pathogenic microorganisms can survive in the air for a period of time, in the clinical intravenous transfusion process, the air in a ward enters a transfusion container through an air inlet pipe, so that the particles and the pathogenic microorganisms enter a liquid medicine along with the air, the liquid medicine is polluted, and the liquid medicine enters a human body and is harmful to the human body.
At present, in clinical intravenous infusion and blood transfusion, an air filter matched with the air filter is needed, however, the existing air filter has the following problems in the use process:
the filter screen spare and the ventilative piece among the current air cleaner can be uneven because of the flexible membrane perk among filter screen spare and the ventilative piece in its use, and then lead to the filter screen spare and the moist air filter membrane among the ventilative piece, and current air cleaner for blood transfusion has the comparatively loaded down with trivial details of assembly step in the use, and the structure is complicated, difficult shortcoming of using.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the disposable air filter for the blood transfusion, which can prevent the air permeable piece and the filter screen piece from tilting, has more stable filtering and purifying effects, simplifies the assembly steps of the air filter for the blood transfusion in the use process, has a simple structure and is easy to use.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the disposable air filter for the blood transfusion device comprises a lower shell, a filter screen piece arranged in the lower shell in a sliding manner, a ventilation piece arranged in the lower shell in a sliding manner, an upper shell arranged on the lower shell in an inserting manner and a nut connected to the lateral surface of the periphery of the upper shell in a threaded manner.
The lower case member includes: the lower shell is provided with an annular groove on the outer peripheral side surface, the inner wall of the lower shell is provided with a plurality of guide grooves, the filter screen piece is in sliding fit with the guide grooves, and the ventilation piece is in sliding fit with the guide grooves; the lower shell is provided with a thread groove on the peripheral side surface.
The upper case member includes: the upper shell is characterized in that the bottom of the upper shell is connected with a sleeve, a threaded cylinder is fixed at the bottom of the sleeve, a plurality of rectangular columns are fixed at the inner top of the sleeve, the rectangular columns are matched with the guide grooves in a clamping manner, the threaded cylinder is matched with the annular grooves in a clamping manner, and the nuts are sequentially connected with the threaded grooves and the threaded cylinders in a threaded manner.
The utility model is further provided with: the screen member includes: the fixed ring comprises a fixed ring body, wherein an air filter membrane is arranged on the inner wall of the fixed ring body, a plurality of first limiting blocks are fixed on the lateral surface of the periphery of the fixed ring body, and the first limiting blocks are in sliding fit with the guide grooves.
The utility model is further provided with: a plurality of first positioning holes are formed in the top of the first limiting block.
A plugging rod is fixed at the bottom of the rectangular column; the plug rod is in plug fit with the first positioning hole.
The utility model is further provided with: the breathable member includes: the fixed ring of second, the fixed ring inner wall of second is fixed with waterproof ventilated membrane, the fixed ring periphery side of second is fixed with a plurality of second stopper, second stopper and guide way sliding fit.
The utility model is further provided with: a plurality of second positioning holes are formed in the top of the second limiting block; the inserting connection rod is in inserting fit with the second positioning hole.
The utility model is further provided with: an upper vent pipe is communicated with the top of the upper shell; the top of the upper shell is communicated with an upper vent pipe.
A sealing ring is fixed at the inner top of the sleeve; the top of the lower shell is provided with a sealing groove; and the sealing groove is matched with the sealing ring in a clamping way.
The utility model has the advantages that: according to the utility model, the top of the filter screen piece is pressed through the clamping fit between the rectangular column and the guide groove, so that the ventilation piece and the filter screen piece are fixed to prevent the ventilation piece and the filter screen piece from shaking, then the upper shell piece which is inserted and arranged on the lower shell piece is fixed through the threaded connection between the nut and the threaded groove and the threaded cylinder, so that a complete air filter for a blood transfusion device is formed, the ventilation piece and the filter screen piece are prevented from tilting, the filtering and purifying effects are more stable, the assembly steps of the air filter for the blood transfusion device in the use process are simplified, and the air filter for the blood transfusion device is simple in structure and easy to use.
Drawings
FIG. 1 is a schematic view showing the structure of an air filter for a disposable blood transfusion device according to the present utility model.
Fig. 2 is a cross-sectional structure elevation view of the air filter for a disposable blood transfusion device of the present utility model.
Fig. 3 is a schematic cross-sectional structure of the lower case of the present utility model.
Fig. 4 is a schematic structural view of the filter element of the present utility model.
Fig. 5 is a schematic structural view of the ventilation member of the present utility model.
Fig. 6 is a schematic cross-sectional structure of the upper case of the present utility model.
In the figure: 1. a lower case member; 2. a screen member; 3. a ventilation member; 4. an upper case member; 5. a nut; 101. a lower housing; 102. a lower vent pipe; 103. an annular groove; 104. a guide groove; 105. sealing grooves; 106. a thread groove; 201. a first fixing ring; 202. an air filter membrane; 203. a first limiting block; 204. a first positioning hole; 301. a second fixing ring; 302. a waterproof breathable film; 303. a second limiting block; 304. a second positioning hole; 401. an upper housing; 402. a sleeve; 403. a thread cylinder; 404. rectangular columns; 405. inserting a connecting rod; 406. an upper vent pipe; 407. and (3) a sealing ring.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.
Examples
Referring to fig. 1-6, the present utility model provides the following technical solutions:
the disposable air filter for the blood transfusion comprises a lower shell 1, a filter screen 2 arranged in the lower shell 1 in a sliding manner, an air permeable piece 3 arranged in the lower shell 1 in a sliding manner, an upper shell 4 arranged on the lower shell 1 in an inserting manner and a nut 5 connected to the lateral surface of the periphery of the upper shell 4 in a threaded rotation manner; the lower case member 1 includes: the lower shell 101, the peripheral side of the lower shell 101 is provided with an annular groove 103, the inner wall of the lower shell 101 is provided with a plurality of guide grooves 104, the filter screen member 2 is in sliding fit with the guide grooves 104, and the ventilation member 3 is in sliding fit with the guide grooves 104; a thread groove 106 is formed in the peripheral side surface of the lower shell 101; the upper case member 4 includes: the upper shell 401, the upper shell 401 bottom is connected with sleeve 402, and sleeve 402 bottom is fixed with screw thread section of thick bamboo 403, and sleeve 402 internal top is fixed with a plurality of rectangle posts 404, rectangle post 404 and guide slot 104 joint cooperation, screw thread section of thick bamboo 403 and ring channel 103 joint cooperation, nut 5 and screw thread groove 106, screw thread section of thick bamboo 403 threaded connection in proper order.
The specific application of this embodiment is: the ventilation piece 3 and the filter screen piece 2 are sequentially placed into a plurality of guide grooves 104 formed in the inner wall of the lower shell 101, then the ventilation piece 3 and the filter screen piece 2 are matched through the clamping connection between the rectangular column 404 and the guide grooves 104, the top of the filter screen piece 2 is pressed, the ventilation piece 3 and the filter screen piece 2 are fixed, shaking is prevented, then the ventilation piece 3 and the filter screen piece 2 are matched through the clamping connection between the threaded cylinder 403 and the annular groove 103, the bottoms of the threaded cylinder 403 and the annular groove 103 after the clamping connection are mutually attached, and finally the upper shell 4 which is arranged on the lower shell 1 in a plugging manner is fixed through the threaded connection between the nut 5 and the threaded groove 106 and the threaded cylinder 403, so that a complete air filter for a blood transfusion is formed, the ventilation piece 3 and the filter screen piece 2 are prevented from tilting, the filtering and purifying effects are more stable, assembly steps of the air filter for the blood transfusion are simplified in the use process, and the structure is simple, and the air filter is easy to use.
Examples
Referring to fig. 1 to 6, the second embodiment is modified from the first embodiment in that the filter element 2 includes: the air filter membrane 202 is arranged on the inner wall of the first fixed ring 201, a plurality of first limiting blocks 203 are fixed on the lateral surface of the periphery of the first fixed ring 201, and the first limiting blocks 203 are in sliding fit with the guide grooves 104; a plurality of first positioning holes 204 are formed in the top of the first limiting block 203; a plugging rod 405 is fixed at the bottom of the rectangular column 404; the inserting rod 405 is in inserting fit with the first positioning hole 204; the ventilation member 3 includes: the second fixing ring 301, the inner wall of the second fixing ring 301 is fixed with a waterproof and breathable film 302, the side surface of the outer periphery of the second fixing ring 301 is fixed with a plurality of second limiting blocks 303, and the second limiting blocks 303 are in sliding fit with the guide grooves 104; a plurality of second positioning holes 304 are formed in the top of the second limiting block 303; the inserting rod 405 is in inserting fit with the second positioning hole 304; the bottom of the lower shell 101 is communicated with a lower vent pipe 102; an upper breather pipe 406 is communicated with the top of the upper shell 401; a sealing ring 407 is fixed at the inner top of the sleeve 402; a sealing groove 105 is formed in the top of the lower shell 101; seal groove 105 is snap fit with seal ring 407.
One specific application of this embodiment is: the first limiting blocks 203 fixed on the outer peripheral side surface of the first fixing ring 201 and the second limiting blocks 303 fixed on the outer peripheral side surface of the second fixing ring 301 are sequentially in sliding fit with the guide grooves 104, so that the lower shell 1 and the upper shell 4 are sequentially in sliding connection with the inner wall of the lower shell 101 through the filter screen 2 and the ventilation members 3, then the bottoms of the rectangular columns 404 are mutually attached to the tops of the first fixing rings 201 and are sequentially in contact with each other through the inserting connection rods 405, the filter screen 2 and the ventilation members 3 are further fixed through the inserting connection between the inserting connection rods 405 and the first positioning holes 204 and the second positioning holes 304, the filter screen 2 and the ventilation members 3 are prevented from shaking on the inner wall of the lower shell 101, then the sealing gasket is placed in the sealing groove 105, then the lower shell 1 and the upper shell 4 are mutually clamped through the clamping connection between the sealing groove 105 and the sealing ring 407, and a complete air filter is formed, and air can enter through the upper ventilation pipe 406 communicated with the top of the upper shell 401 in the blood drawing process, and then the filter screen 2 and the ventilation pipe 3 are sequentially filtered and purified through the upper ventilation pipe 406 communicated with the bottom of the lower shell 101, and the lower ventilation pipe 102 communicated with the bottom of the lower shell 101 in the blood drawing process.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (5)
1. Disposable transfusion utensils air cleaner, its characterized in that: the air-permeable filter comprises a lower shell (1), a filter screen (2) arranged in the lower shell (1) in a sliding manner, an air-permeable piece (3) arranged in the lower shell (1) in a sliding manner, an upper shell (4) arranged on the lower shell (1) in an inserting manner, and a nut (5) connected to the lateral surface of the periphery of the upper shell (4) in a threaded rotation manner;
the lower case (1) includes:
the filter comprises a lower shell (101), wherein an annular groove (103) is formed in the peripheral side surface of the lower shell (101), a plurality of guide grooves (104) are formed in the inner wall of the lower shell (101), a thread groove (106) is formed in the peripheral side surface of the lower shell (101), the filter screen piece (2) is in sliding fit with the guide grooves (104), and the ventilation piece (3) is in sliding fit with the guide grooves (104);
the upper case (4) includes:
go up casing (401), it is connected with sleeve (402) to go up casing (401) bottom, sleeve (402) bottom is fixed with screw thread section of thick bamboo (403), the top is fixed with a plurality of rectangle posts (404) in sleeve (402), rectangle post (404) and guide way (104) joint cooperation, screw thread section of thick bamboo (403) and ring channel (103) joint cooperation, nut (5) are with screw thread groove (106), screw thread section of thick bamboo (403) threaded connection in proper order.
2. The single-use air filter for blood transfusion as claimed in claim 1, wherein: the sieve element (2) comprises:
the air filter comprises a first fixed ring (201), wherein an air filter membrane (202) is arranged on the inner wall of the first fixed ring (201), a plurality of first limiting blocks (203) are fixed on the lateral surface of the periphery of the first fixed ring (201), and the first limiting blocks (203) are in sliding fit with the guide grooves (104).
3. The single-use air filter for blood transfusion as claimed in claim 2, wherein: a plurality of first positioning holes (204) are formed in the top of the first limiting block (203);
a plug rod (405) is fixed at the bottom of the rectangular column (404); the plug-in rod (405) is in plug-in fit with the first positioning hole (204).
4. A single use air filter for blood transfusion as claimed in claim 3, wherein: the ventilation member (3) comprises:
the waterproof breathable film (302) is fixed on the inner wall of the second fixed ring (301), a plurality of second limiting blocks (303) are fixed on the lateral surface of the periphery of the second fixed ring (301), and the second limiting blocks (303) are in sliding fit with the guide grooves (104);
a plurality of second positioning holes (304) are formed in the top of the second limiting block (303); the plug-in rod (405) is in plug-in fit with the second positioning hole (304).
5. The single-use air filter for blood transfusion as claimed in claim 4, wherein: the bottom of the lower shell (101) is communicated with a lower vent pipe (102);
an upper vent pipe (406) is communicated with the top of the upper shell (401);
a sealing ring (407) is fixed at the inner top of the sleeve (402);
a sealing groove (105) is formed in the top of the lower shell (101); the sealing groove (105) is matched with the sealing ring (407) in a clamping way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321402658.6U CN219941450U (en) | 2023-06-05 | 2023-06-05 | Disposable air filter for blood transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321402658.6U CN219941450U (en) | 2023-06-05 | 2023-06-05 | Disposable air filter for blood transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219941450U true CN219941450U (en) | 2023-11-03 |
Family
ID=88540719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321402658.6U Active CN219941450U (en) | 2023-06-05 | 2023-06-05 | Disposable air filter for blood transfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219941450U (en) |
-
2023
- 2023-06-05 CN CN202321402658.6U patent/CN219941450U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |