CN207203159U - A kind of nucleopore membranes automatic liquid-stopping precision transfusion filter - Google Patents
A kind of nucleopore membranes automatic liquid-stopping precision transfusion filter Download PDFInfo
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- CN207203159U CN207203159U CN201720213726.2U CN201720213726U CN207203159U CN 207203159 U CN207203159 U CN 207203159U CN 201720213726 U CN201720213726 U CN 201720213726U CN 207203159 U CN207203159 U CN 207203159U
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- nucleopore membranes
- siphunculus
- semicircular
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Abstract
The utility model discloses a kind of nucleopore membranes automatic liquid-stopping precision transfusion filter, including the first housing, the second housing, input pipe, efferent duct, nucleopore membranes protective housing and nucleopore membranes, first housing is in hollow cylindrical form, the upside wall body of first housing, which fixes connection, input pipe, siphunculus more than first is fixedly connected among the upper inside walls of first housing, top set's pipe and the input pipe mutually fixed connection of siphunculus more than first；The beneficial effects of the utility model are：It is provided with the first some semicircular pipes, decoction is set to be injected into uniform flow when in first shell body, the bubble in decoction can be made smoothly to increase, and decoction carries out the discharge of secondary bubble, the discharge rate of bubble is improved, in the absence of the risk of minute bubbles attachment, and when decoction is totally lost to nucleopore membranes surface, automatic stopping infusion, prevent air from entering human body after liquid is totally lost, considerably reduce the work of medical personnel.
Description
Technical field
A kind of precision transfusion filter is the utility model is related to, specifically a kind of nucleopore membranes automatic liquid-stopping precision transfusion filtering
Device.
Background technology
In clinical transfusion practice, either common filter infusion apparatus or precision liquid medicine excessively cross filter infusion apparatus, and all existing needs
Nurse is wanted to pay special attention to avoid decoction from dripping the phenomenon appearance that empty Mo Feishi droppers and decoction drip off, decoction drips empty Mo Feishi droppers will
Need to carry out secondary exhaust, if filter designs without transom window, need to change whole transfusion device, increase patient pays and causes trouble
Person is discontented with；Decoction drips off, then blood backflow occurs and cause patient strains.
To mitigate medical personnel's working strength, there is band automatic liquid-stopping device and possess automatic liquid-stopping using traditional buoy
The transfusion device of function and the automatic liquid-stopping functional filters realized by filter membrane.Possesses automatic liquid-stopping function using traditional buoy
Transfusion device is to be influenceed blocking woven hose by decoction buoyancy by buoy to reach automatic liquid-stopping effect, and the function is by decoction
Composition and degree of purity have a great influence, and slightly impurity, particle, plastic buoy can not just coincide with woven hose, it is impossible to realize from
Dynamic only liquid.
It is defeated that a kind of nucleopore membranes automatic liquid-stopping precision is disclosed in the Chinese patent that Authorization Notice No. is CN203874225U
Liquid filter, the filter are able to ensure that the realization of only liquid function so that transfusion device still can in the case where prosthetic disturbs
Enough member-retaining portion liquid, so as to prevent air from entering human body after liquid is totally lost, but there is following defect in the filter：First,
Steam vent is opened in lid body side, makes bubble be not easy to discharge；2nd, the discharge design of a bubble is only carried out, it is impossible to effectively
The discharge rate of bubble will be improved.
Utility model content
The purpose of this utility model is to provide a kind of nucleopore membranes automatic liquid-stopping precision transfusion filter, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of nucleopore membranes automatic liquid-stopping precision transfusion filter, including the first housing, the second housing, input pipe, efferent duct,
Nucleopore membranes protective housing and nucleopore membranes, first housing are in hollow cylindrical form, and the upside wall body of the first housing, which fixes connection, to be had
Input pipe, siphunculus more than first is fixedly connected among the upper inside walls of the first housing, top set's pipe of siphunculus more than first and input
Pipe is mutually fixed to be connected, and is symmetrically arranged with several before and after remaining branched pipe of siphunculus more than first, remaining branch of siphunculus more than first
Pipe fixes connection respectively the first semicircular pipe, the side wall phase fixed bonding of the tube wall of the first semicircular pipe and the first housing, institute
The bottom for stating the first semicircular pipe is located among the downside inwall of the first housing and the portion integral of the first semicircular pipe forms
The tube head of openend straight up, the upside wall body of first housing it is symmetrical it is fixedly embedded have a waterproof air-filtering membrane, first
Connection is fixed on the right side wall body top of housing the first screwed pipe, and nucleopore membranes protective housing, nucleopore are provided with the right side of the first housing
The inside of film protective housing is fixedly connected with nucleopore membranes, and the side wall upper part of first screwed pipe and nucleopore membranes protective housing mutually screws close
Sealing-in is led to, and another lower sidewall of the nucleopore membranes protective housing seals connection by threaded engagement the second screwed pipe, the second spiral shell
The lower sidewall mutually fixed connection of line pipe and the second housing, the inner lower of second housing is fixedly connected with second more leads to
Pipe, the left-hand branch pipe and the second screwed pipe of siphunculus more than second, which are mutually fixed, to be connected, right before and after remaining branched pipe of siphunculus more than second
Title is provided with several, and remaining branched pipe of siphunculus more than second fixes connection respectively the second semicircular pipe, the second semicircular pipe
Tube wall and the second housing side wall phase fixed bonding, the bottom of second semicircular pipe is located at the upper inside walls of the second housing
Tube head of middle and the second semicircular pipe the top integrally formed with openend straight down, the downside wall body of second housing
Fixed connection has efferent duct, and the upside wall body of second housing is equally symmetrically fixedly embedded waterproof air-filtering membrane.
As further program of the utility model：The quantity of first semicircular pipe is at least four.
As the utility model further scheme：Protective cover is fixedly connected with the outside of the waterproof air-filtering membrane
Plate, protect and offer steam vent on cover plate.
As the utility model further scheme：The pore diameter range of the nucleopore membranes is 1 μm~5 μm, hole density model
Enclose for 2 × 105~2 × 107/cm2。
As the utility model further scheme：The pass of the nucleopore membranes is biconial or single taper or cylindricality.
Compared with prior art, the beneficial effects of the utility model are：The first some semicircular pipes is provided with, makes decoction
Uniform flow when in first shell body is injected into, the bubble in decoction can be made smoothly to increase, and decoction carries out secondary bubble
Discharge, improve the discharge rate of bubble, in the absence of the risk of minute bubbles attachment, and when decoction is totally lost to nucleopore membranes surface, oneself
It is dynamic to stop transfusion, prevent air from entering human body after liquid is totally lost, considerably reduce the work of medical personnel.
Brief description of the drawings
Fig. 1 is a kind of structural representation of nucleopore membranes automatic liquid-stopping precision transfusion filter；
Fig. 2 be Fig. 1 shown in precision transfusion filter in line A-A schematic cross-sectional view；
Fig. 3 be Fig. 1 shown in precision transfusion filter in line B-B schematic cross-sectional view；
Fig. 4 be Fig. 1 shown in precision transfusion filter in shield plate schematic top plan view.
In figure：The housings of 1- first, 2- input pipes, 3- siphunculus more than first, the semicircular pipes of 4- first, 5- tube heads, 6- waterproofs are empty
Gas filter membrane, 7- shield plates, 8- steam vents, the screwed pipes of 9- first, 10- nucleopore membranes protective housing, 11- nucleopore membranes, the spiral shells of 12- second
Line pipe, 13- siphunculus more than second, the semicircular pipes of 14- second, 15- efferent ducts, the housings of 16- second.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Refer to Fig. 1-4, a kind of nucleopore membranes automatic liquid-stopping precision transfusion filter, including the first housing 1, the second housing
16th, input pipe 2, efferent duct 15, nucleopore membranes protective housing 10 and nucleopore membranes 11, first housing 1 are in hollow cylindrical form, and first
The upside wall body of housing 1, which fixes connection, input pipe 2, and siphunculus more than first is fixedly connected among the upper inside walls of the first housing 1
3, top set's pipe of siphunculus more than first 3 is fixed with the phase of input pipe 2 to be connected, and is symmetrically set before and after remaining branched pipe of siphunculus more than first 3
Several are equipped with, remaining branched pipe of siphunculus more than first 3 fixes connection respectively the first semicircular pipe 4, the first semicircular pipe 4
The side wall phase fixed bonding of tube wall and the first housing 1, the bottom of first semicircular pipe 4 are located in the downside of the first housing 1
Among wall and the portion integral of the first semicircular pipe 4 forms the tube head 5 of openend straight up, first housing 1 it is upper
Sidewall bodies are symmetrically fixedly embedded waterproof air-filtering membrane 6, and connection is fixed on the right side wall body top of the first housing 1 the first screw thread
Pipe 9, the right side of the first housing 1 are provided with nucleopore membranes protective housing 10, and the inside of nucleopore membranes protective housing 10 is fixedly connected with nucleopore membranes
11, the side wall upper part of first screwed pipe 9 and nucleopore membranes protective housing 10 mutually screws sealing and connected, the nucleopore membranes protective housing 10
Another lower sidewall connection sealed by threaded engagement have the side of the second screwed pipe 12, the second screwed pipe 12 and the second housing 16
Wall bottom is mutually fixed to be connected, and the inner lower of second housing 16 is fixedly connected with siphunculus 13 more than second, siphunculus 13 more than second
Left-hand branch pipe and the phase of the second screwed pipe 12 fix connect, if being symmetrically arranged with before and after remaining branched pipe of siphunculus more than second 12
Dry, remaining branched pipe of siphunculus more than second 13 fixes connection respectively the second semicircular pipe 14, the pipe of the second semicircular pipe 14
The side wall phase fixed bonding of wall and the second housing 16, the bottom of second semicircular pipe 14 are located in the upside of the second housing 16
The tube head 5 of wall centre and the top of the second semicircular pipe 14 integrally formed with openend straight down, second housing 16
Downside wall body, which fixes connection, efferent duct 15, and the upside wall body of second housing 16 is equally symmetrically fixedly embedded waterproof air
Filter membrane 6；Decoction is by input pipe 2, the semicircular pipe 4 of siphunculus more than first 3 and first, finally by the pipe on the first semicircular pipe 4
Spilling is injected into the first housing 1 at head, and due to being provided with the first some semicircular pipes 4, therefore decoction can be by some
The first semicircular pipe 4 on tube head 5 at overflow, decoction is injected into uniform flow when in the first housing 1, can make in decoction
Bubble smoothly rise, bubble in decoction is passed through the waterproof air-filtering membrane 6 positioned at the top of the first housing 1 and anti-
Steam vent 8 on the plate of shield 7 is discharged, and decoction is injected into second shell by the first screwed pipe 9, the screwed pipe 12 of nucleopore membranes 11 and second
In siphunculus more than second 13 in body 16, because the screwed pipe 9 of nucleopore membranes protective housing 10 and first, the second screwed pipe 12 pass through screw thread phase
Sealed connection is screwed, therefore is easy to unload nucleopore membranes protective housing 10, is convenient for changing new nucleopore membranes 11, is injected into second more and leads to
Decoction in pipe 13 is overflowed by the tube head on the second semicircular pipe 14, passes through the bubble in decoction anti-on the second housing 16
Steam vent 8 on water air-filtering membrane 6 and shield plate 7 is overflowed, and the discharge of secondary bubble, the row for improving bubble are carried out to decoction
Extracting rate, in the absence of the risk of minute bubbles attachment.
The quantity of first semicircular pipe 4 is at least four.
The outside of the waterproof air-filtering membrane 6 is fixedly connected with protection cover plate 7, protects and offers steam vent on cover plate 7
8, the purpose of protection is played to waterproof air-filtering membrane 6.
The pore diameter range of the nucleopore membranes 11 is 1 μm~5 μm, and hole density scope is 2 × 105~2 × 107/cm2。
The pass of the nucleopore membranes 11 is biconial or single taper or cylindricality.
Operation principle of the present utility model is：Decoction is by input pipe 2, the semicircular pipe 4 of siphunculus more than first 3 and first, most
Overflowed and be injected into the first housing 1 by the tube head on the first semicircular pipe 4 eventually, due to being provided with the first some semicircular pipes
4, therefore decoction can be such that decoction is injected into the first housing 1 by being overflowed at the tube head 5 on the first some semicircular pipes 4
When uniform flow, the bubble in decoction can be made smoothly to increase, the bubble in decoction is passed through on the first housing 1
Steam vent 8 on the waterproof air-filtering membrane 6 and the plate of protective cover 7 in portion is discharged, and decoction passes through the first screwed pipe 9, the and of nucleopore membranes 11
Second screwed pipe 12 is injected into the siphunculus more than second 13 in the second housing 16, due to the screwed pipe of nucleopore membranes protective housing 10 and first
9th, the second screwed pipe 12 mutually screws sealed connection by screw thread, therefore is easy to unload nucleopore membranes protective housing 10, is convenient for changing new
Nucleopore membranes 11, be injected into the decoction in siphunculus more than second 13 and overflowed by tube head on the second semicircular pipe 14, made in decoction
Bubble overflowed by the steam vent 8 on the waterproof air-filtering membrane 6 and shield plate 7 on the second housing 16, to decoction carry out
The discharge of secondary bubble, the discharge rate of bubble is improved, in the absence of the risk of minute bubbles attachment, and when decoction is totally lost to nucleopore membranes
11 surfaces, automatic stopping infusion, prevent air from entering human body after liquid is totally lost, considerably reduce the work of medical personnel.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of nucleopore membranes automatic liquid-stopping precision transfusion filter, including the first housing, the second housing, input pipe, efferent duct, core
Pore membrane protective housing and nucleopore membranes, it is characterised in that first housing is in hollow cylindrical form, and the upside wall body of the first housing is consolidated
Fixed connect has input pipe, siphunculus more than first is fixedly connected among the upper inside walls of the first housing, the top set of siphunculus more than first
Pipe and input pipe, which are mutually fixed, to be connected, and is symmetrically arranged with several before and after remaining branched pipe of siphunculus more than first, siphunculus more than first
Remaining branched pipe fixes connection respectively the first semicircular pipe, and the side wall of the tube wall of the first semicircular pipe and the first housing is mutually fixed
Bonding, the bottom of first semicircular pipe are located at downside inwall centre and the portion integral of the first semicircular pipe of the first housing
The tube head of openend straight up is formed, the upside wall body of first housing is symmetrically fixedly embedded waterproof air filtration
Film, connection is fixed on the right side wall body top of the first housing the first screwed pipe, and nucleopore membranes protection is provided with the right side of the first housing
Case, the inside of nucleopore membranes protective housing are fixedly connected with nucleopore membranes, the side wall upper part of first screwed pipe and nucleopore membranes protective housing
Mutually screw sealing to connect, another lower sidewall of the nucleopore membranes protective housing seals connection by threaded engagement the second screw thread
The lower sidewall of pipe, the second screwed pipe and the second housing, which is mutually fixed, to be connected, and the inner lower of second housing is fixedly connected with
Siphunculus more than second, left-hand branch pipe and the mutually fixed connection of the second screwed pipe, remaining branch of siphunculus more than second of siphunculus more than second
Several are symmetrically arranged with before and after pipe, remaining branched pipe of siphunculus more than second fixes connection respectively the second semicircular pipe, and second
The side wall phase fixed bonding of the tube wall of semicircular pipe and the second housing, the bottom of second semicircular pipe are located at the second housing
The tube head of upper inside walls centre and the top of the second semicircular pipe integrally formed with openend straight down, second housing
Downside wall body, which fixes connection, efferent duct, and the upside wall body of second housing is equally symmetrically fixedly embedded waterproof air filtration
Film.
2. a kind of nucleopore membranes automatic liquid-stopping precision transfusion filter according to claim 1, it is characterised in that described first
The quantity of semicircular pipe is at least four.
A kind of 3. nucleopore membranes automatic liquid-stopping precision transfusion filter according to claim 1, it is characterised in that the waterproof
Protection cover plate is fixedly connected with the outside of air-filtering membrane, protects and offers steam vent on cover plate.
A kind of 4. nucleopore membranes automatic liquid-stopping precision transfusion filter according to claim 1, it is characterised in that the nucleopore
The pore diameter range of film is 1 μm~5 μm, and hole density scope is 2 × 105~2 × 107/cm2。
A kind of 5. nucleopore membranes automatic liquid-stopping precision transfusion filter according to claim 1, it is characterised in that the nucleopore
The pass of film is biconial or single taper or cylindricality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720213726.2U CN207203159U (en) | 2017-03-07 | 2017-03-07 | A kind of nucleopore membranes automatic liquid-stopping precision transfusion filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720213726.2U CN207203159U (en) | 2017-03-07 | 2017-03-07 | A kind of nucleopore membranes automatic liquid-stopping precision transfusion filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207203159U true CN207203159U (en) | 2018-04-10 |
Family
ID=61810204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720213726.2U Active CN207203159U (en) | 2017-03-07 | 2017-03-07 | A kind of nucleopore membranes automatic liquid-stopping precision transfusion filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207203159U (en) |
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2017
- 2017-03-07 CN CN201720213726.2U patent/CN207203159U/en active Active
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