CN209187815U - A kind of medical respiration circuit High Efficient Bacteria filter - Google Patents
A kind of medical respiration circuit High Efficient Bacteria filter Download PDFInfo
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- CN209187815U CN209187815U CN201821600165.2U CN201821600165U CN209187815U CN 209187815 U CN209187815 U CN 209187815U CN 201821600165 U CN201821600165 U CN 201821600165U CN 209187815 U CN209187815 U CN 209187815U
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- lower case
- upper housing
- filter
- filter membrane
- high efficient
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- Filtering Of Dispersed Particles In Gases (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model belongs to the field of medical instrument technology, more particularly to a kind of medical respiration circuit High Efficient Bacteria filter, including upper housing and lower case, the upper housing lower part is provided with connected unit, upper housing is tightly connected by connected unit and lower case, air inlet pipe and an air outlet pipe is connected separately on two opposite sides of upper housing and lower case, medial surface in the middle part of the lower case is circumferentially provided with placement item, it places and is provided with end to end V-arrangement filter membrane on item, filter is divided into gas buffer chamber and outlet chamber by the filter membrane, the inner sidewall of filter membrane surrounding and lower case is tightly connected.It is clean gas that the utility model, which can make patient suck 0.5 μm and 5 μm of dust granules numbers 0, the gas into patient lung in gas, plays the role of reduction respiratory tract and pulmonary infection.
Description
Technical field
The utility model belongs to the field of medical instrument technology, and in particular to a kind of filtering of medical respiration circuit High Efficient Bacteria
Device.
Background technique
Anesthesia machine and ventilator gas source include oxygen and compressed air, and existing medical compressed air be unable to reach it is sterile,
Anesthesia machine and ventilator circuit are complicated, and existing filter device can not filter out 0.5 μm and 5 μm of dust granules completely, cause bacterium attached
On dust granules enter patient respiration road and lung.
Existing Anesthesia machine and ventilator patient breathing circuit filter have biofilter and artificial nose, both filters
High efficiency particulate air filter in non-real meaning, filtering material and filter material layout do not meet high efficiency particle air filter feature, using swash
Light particle calculating instrument installs biofilter and artificial nose detection discovery, 0.5 μm of dust granules in every cubic metre to breathing circuit
Number is more than ten biquadratic.It is investigated according to relevant healthcare institution, even if Anesthesia machine breathing circuit sterilizes, using primary
Property pipeline, biofilter and artificial nose, patients undergoing general anesthesia infection rate after abortion operation is still between 5%~15%.
Utility model content
To solve above-mentioned the problems of the prior art, the utility model provides a kind of filtering of medical respiration circuit High Efficient Bacteria
Device.
To achieve the above object, the utility model uses following technical scheme:
A kind of medical respiration circuit High Efficient Bacteria filter, including upper housing and lower case, the upper housing lower part setting
There is connected unit, upper housing is tightly connected by connected unit and lower case, is divided on two opposite sides of upper housing and lower case
It is not connected with air inlet pipe and an air outlet pipe, the medial surface in the middle part of the lower case is circumferentially provided with placement item, places and is provided on item
Filter is divided into gas buffer chamber and outlet chamber, filter membrane surrounding and lower casing by end to end V-arrangement filter membrane, the filter membrane
The inner sidewall of body is tightly connected.
Further, the medial surface of the connected unit and the lateral surface of lower case are tightly connected by sealant, connected unit
Length and width it is 2mm bigger than the length and width of lower case respectively.
Further, the filter membrane is formed by polypropylene filter paper, polytetrafluoroethylene (PTFE) filter paper or glass fiber filter paper bending.
Further, the rough surface of the filter membrane is towards gas buffer chamber, smooth surface towards outlet chamber, the depth of filter membrane
For 30mm, flushed at the top of the top of filter membrane and lower case.
Further, the V-arrangement apex angle of the filter membrane and placement item pass through sealing glue connection.
Further, the upper housing and lower case are rectangular parallelepiped structure, and the connected unit is rectangle platform, upper housing
Air inlet pipe and an air outlet pipe is connected separately on the right side of left side and lower case.
Further, the upper housing is truncated rectangular pyramids structure, and the connected unit is consistent with the lower surface of upper housing
Rectangle frame, lower case include the cuboid portion of top and the truncated rectangular pyramids portion of lower section, and the top of upper housing and the lower section of lower case are divided
Air inlet pipe and an air outlet pipe is not connected with it.
Further, the outer diameter of the air inlet pipe be 25.3mm, internal diameter 22.2mm；The outer diameter of the escape pipe is
22.3mm, internal diameter 18.6mm.
Compared with prior art, the utility model has the beneficial effects that:
1. the utility model can make patient suck 0.5 μm and 5 μm of dust granules numbers 0 in gas, into patient lung
Gas is clean gas, plays the role of reducing respiratory tract and pulmonary infection.There is serious infectious disease for respiratory system
Patient, the utility model can be such that patient's exhaled gas is discharged into ambient enviroment after bacteriological filter is harmless, play protection medical matters
The effect of personnel.
2. the length and width of connected unit is 2mm bigger than the length and width of lower case respectively, facilitate connected unit and lower case
Between sealing.
3. the filter membrane of the utility model selects lower resistance filtering material, 0.1 μm of -0.2 μm of filter efficiency be can reach
99.9999%, the polypropylene filter paper humidity that wherein filter membrane in embodiment 1 uses, resistance is low, more suitable for breathing circuit.
4. the utility model filter membrane is end to end v-shaped structure, increases air filtration area, reduces filtering surface wind
Speed and filtration resistance is reduced, which can also be compatible with existing Anesthesia machine and ventilator increasing filter area simultaneously
Wind speed demand.
5. in embodiment the outer diameter of air inlet pipe be 25.3mm, internal diameter 22.2mm；The outer diameter of the escape pipe be 22.3mm,
Internal diameter is 18.6mm, compatible all Anesthesia machines and ventilator.
Detailed description of the invention
Brush seals when Fig. 1 is a kind of filtering film production of medical respiration circuit High Efficient Bacteria filter of the utility model
The schematic diagram of glue.
Fig. 2 is the folded schematic diagram of filter membrane that sealant was brushed in Fig. 1.
Fig. 3 is a kind of one of structural schematic diagram of medical respiration circuit High Efficient Bacteria filter of the utility model.
Fig. 4 is a kind of second structural representation of medical respiration circuit High Efficient Bacteria filter of the utility model.
Fig. 5 is a kind of lower case of medical respiration circuit High Efficient Bacteria filter and one of the structural schematic diagram for placing item.
Fig. 6 is a kind of lower case of medical respiration circuit High Efficient Bacteria filter and the second structural representation for placing item.
Numbering in the drawing: 1 is upper housing, and 2 be lower case, and 3 be air inlet pipe, and 4 be escape pipe, and 5 is place item, and 6 be filtering
Film, 7 be connected unit.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
As shown in Fig. 1,2,3,5 and 6, a kind of medical respiration circuit High Efficient Bacteria filter, including upper housing 1 and lower case
2, the upper housing 1 and lower case 2 are rectangular parallelepiped structure, the left side of upper housing 1 and the right side of lower case 2 be connected separately with into
Tracheae 3 and escape pipe 4, the air inlet pipe 3 and escape pipe 4 are integrally formed with upper housing 1 and lower case 2 respectively, outside air inlet pipe 3
Diameter is 25.3mm, internal diameter 22.2mm；The outer diameter of the escape pipe 4 is 22.3mm, internal diameter 18.6mm.1 lower part of upper housing is set
It is equipped with connected unit 7, the connected unit 7 is integrally formed with upper housing 1, and connected unit 7 is rectangle platform, and the medial surface of connected unit 7 is under
The lateral surface of shell 2 is tightly connected by sealant, and the length and width of connected unit 7 is respectively than the length and width of lower case 1
Big 2mm.The medial surface at 2 middle part of lower case, which is circumferentially provided with, places item 5, places and is provided with end to end V-arrangement mistake on item 5
Filter membrane 6, for the V-arrangement apex angle and placement item 5 of the filter membrane 6 by sealing glue connection, filter is divided into gas buffer by filter membrane 6
Chamber and outlet chamber, for the rough surface of filter membrane 6 towards gas buffer chamber, smooth surface towards outlet chamber, the depth of filter membrane 6 is 30mm,
The top of filter membrane 6 is flushed with the top of lower case 2, and the inner sidewall of 6 surrounding of filter membrane and lower case 2 is sealed by sealant to be connected
It connects；Filter membrane 6 is formed by polypropylene filter paper bending.
The step of making the utility model: as shown in Fig. 1~2, coating sealant in the rough surface of polypropylene filter paper first,
Then it is bent into end to end v-shaped structure, sealant solidifies after bending, and the folding spacing that V-arrangement folds is fixed.
Sealant is coated in the upper surface for placing item 5, filter membrane 6 is placed in and is placed on item 5, is stamped in 6 surrounding of filter membrane
Sealant is tightly connected its surrounding and lower case 2；Sealant is coated in the inside of connected unit 7, the upper end of lower case 2 is set
In 7 inside of connected unit, it is tightly connected upper housing 1 and lower case.
In use, the utility model is accessed in the breathing circuit of Anesthesia machine or ventilator, the compression in breathing circuit is empty
The air inlet pipe 3 that gas or oxygen pass through the utility model enters gas buffer chamber, and by filter membrane 6 after buffering reduction of speed, compression is empty
Gas enters outlet chamber after filtering, then enters in patient through escape pipe 4.
Embodiment 2
As shown in Fig. 1,2,4,5 and 6, the present embodiment is substantially the same manner as Example 1, and something in common repeats no more, difference
Being in: the upper housing 1 is truncated rectangular pyramids structure, and the connected unit 7 is the rectangle frame consistent with the lower surface of upper housing 1,
Lower case 2 includes the cuboid portion of top and the truncated rectangular pyramids portion of lower section, and the top of upper housing 1 and the lower section of lower case 2 connect respectively
It is connected to air inlet pipe 3 and escape pipe 4.The filter membrane 6 is formed by polytetrafluoroethylene (PTFE) filter paper or polypropylene filter paper bending.
Embodiment 3
The present embodiment is substantially the same manner as Example 1, and something in common repeats no more, the difference is that, the filter membrane 6 by
Glass fiber filter paper bending forms.
Above-described embodiment is the preferred embodiment of the utility model, is only used to explain the utility model, not
The utility model practical range is limited, it to those of ordinary skill in the art, certainly can be public according to institute in this specification
The technology contents opened, make other embodiments easily by way of replacing or changing, therefore all originals in the utility model
The changes and improvements etc. that reason and process conditions are done, should be included in present utility model application the scope of the patents.
Claims (8)
1. a kind of medical respiration circuit High Efficient Bacteria filter, which is characterized in that described including upper housing (1) and lower case (2)
Upper housing (1) lower part is provided with connected unit (7), and upper housing (1) is tightly connected by connected unit (7) and lower case (2), upper housing
(1) and on two opposite sides of lower case (2) air inlet pipe (3) and escape pipe (4), the lower case (2) are connected separately with
The medial surface at middle part, which is circumferentially provided with, places item (5), places and is provided with end to end V-arrangement filter membrane (6) on item (5), described
Filter is divided into gas buffer chamber and outlet chamber, the inner sidewall sealing of filter membrane (6) surrounding and lower case (2) by filter membrane (6)
Connection.
2. a kind of medical respiration circuit High Efficient Bacteria filter according to claim 1, which is characterized in that the connected unit
(7) lateral surface of medial surface and lower case (2) is tightly connected by sealant, and the length and width of connected unit (7) compares respectively
The big 2mm of length and width of lower case (2).
3. a kind of medical respiration circuit High Efficient Bacteria filter according to claim 1, which is characterized in that the filter membrane
(6) it is formed by polypropylene filter paper, polytetrafluoroethylene (PTFE) filter paper or glass fiber filter paper bending.
4. a kind of medical respiration circuit High Efficient Bacteria filter according to claim 1, which is characterized in that the filter membrane
(6) for rough surface towards gas buffer chamber, smooth surface towards outlet chamber, the depth of filter membrane (6) is 30mm, the top of filter membrane (6)
It is flushed at the top of portion and lower case (2).
5. a kind of medical respiration circuit High Efficient Bacteria filter according to claim 1, which is characterized in that the filter membrane
(6) V-arrangement apex angle and placement item (5) passes through sealing glue connection.
6. a kind of medical respiration circuit High Efficient Bacteria filter according to claim 1, which is characterized in that the upper housing
(1) and lower case (2) is rectangular parallelepiped structure, and the connected unit (7) is rectangle platform, the left side of upper housing (1) and lower case (2)
Right side be connected separately with air inlet pipe (3) and escape pipe (4).
7. a kind of medical respiration circuit High Efficient Bacteria filter according to claim 1, which is characterized in that the upper housing
It (1) is truncated rectangular pyramids structure, the connected unit (7) is the rectangle frame consistent with the lower surface of upper housing (1), lower case (2) packet
Include the cuboid portion of top and the truncated rectangular pyramids portion of lower section, be connected separately with below the top of upper housing (1) and lower case (2) into
Tracheae (3) and escape pipe (4).
8. a kind of medical respiration circuit High Efficient Bacteria filter according to claim 1, which is characterized in that the air inlet pipe
(3) outer diameter is 25.3mm, internal diameter 22.2mm；The outer diameter of the escape pipe (4) is 22.3mm, internal diameter 18.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821600165.2U CN209187815U (en) | 2018-09-29 | 2018-09-29 | A kind of medical respiration circuit High Efficient Bacteria filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821600165.2U CN209187815U (en) | 2018-09-29 | 2018-09-29 | A kind of medical respiration circuit High Efficient Bacteria filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209187815U true CN209187815U (en) | 2019-08-02 |
Family
ID=67407070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821600165.2U Active CN209187815U (en) | 2018-09-29 | 2018-09-29 | A kind of medical respiration circuit High Efficient Bacteria filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209187815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464960A (en) * | 2019-08-26 | 2019-11-19 | 江苏海德医学科技股份有限公司 | Heat and moisture exchanger and filter |
-
2018
- 2018-09-29 CN CN201821600165.2U patent/CN209187815U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464960A (en) * | 2019-08-26 | 2019-11-19 | 江苏海德医学科技股份有限公司 | Heat and moisture exchanger and filter |
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