CN208927263U

CN208927263U - A kind of Multifunctional internal medicine nursing liquid medicine filter

Info

Publication number: CN208927263U
Application number: CN201820540880.5U
Authority: CN
Inventors: 刘培; 贾艳辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-17
Filing date: 2018-04-17
Publication date: 2019-06-04
Anticipated expiration: 2028-04-17

Abstract

The utility model discloses a kind of Multifunctional internal medicines to nurse liquid medicine filter, including the spherical shell of PVC, inlet tube and outlet tube, and inlet tube and outlet tube are respectively arranged at the spherical shell side PVC and bottom, and are connected to the spherical shell of PVC；The top of the spherical shell of PVC is equipped with raised bubbles, and raised bubbles are extruded as one by the spherical shell blow molding of PVC；The inside of raised bubbles is equipped with getter device, getter device is made of air bag, thin footpath sebific duct and sealed bladder, the utility model has and can the little particulate of different-diameter be adsorbed and be filtered, the filter membrane of MULTILAYER COMPOSITE can increase filter effect simultaneously, and can in medical fluid air and bubble adsorb the advantages that.

Description

A kind of Multifunctional internal medicine nursing liquid medicine filter

Technical field

The utility model relates to liquid medicine filter fields, are especially a kind of Multifunctional internal medicine nursing liquid medicine filter.

Background technique

It is indispensable important method and means in clinical treatment by the venous transfusion that disposable transfusion device carries out, but It is early in the 1930s, clinical use discovery disposable transfusion device will appear a variety of harm i.e. infusion instead in infusion process It answers, and result of study proves that the harm of clinic caused by infusion is greatly as caused by particulate matter.And it is disposable defeated The filter membrane of liquid device is merely capable of filter diameter and is greater than 5 microns of particle, diameter be equal to and less than micron particle, it is disposable defeated Liquid device can not filter.

It is found by retrieval, the utility model of patent No. CN203724555U discloses " a kind of liquid medicine filter " by upper Lid, lower cover filter membrane material, and liquid feeding end, outlet end composition, upper cover is by chassis, press mold ring, upper cover sealing wire, for storing to mistake Filter the epicoele and delivery hole composition of medical fluid.

However, the analysis found that, existing Multifunctional internal medicine nursing liquid medicine filter has the following disadvantages；First, medicine Gas in liquid is inputted into human body and is damaged to patient, second, the lesser particle of diameter not can be carried out absorption；Third, filtering Effect is poor.

Utility model content

Therefore, in order to solve above-mentioned deficiency, the utility model provides a kind of Multifunctional internal medicine nursing liquid medicine filter herein, With can the little particulate of different-diameter be adsorbed and be filtered, while the filter membrane of MULTILAYER COMPOSITE can increase filter effect, and And can in medical fluid air and bubble adsorb the advantages that.

The utility model is realized in this way constructing a kind of Multifunctional internal medicine nursing liquid medicine filter, including PVC spherical Shell, inlet tube and outlet tube, inlet tube and outlet tube are respectively arranged at the spherical shell side PVC and bottom, and with the spherical shell of PVC Connection；The top of the spherical shell of PVC is equipped with raised bubbles, and raised bubbles are extruded as one by the spherical shell blow molding of PVC；Raised bubbles it is interior Portion is equipped with getter device, and getter device is made of air bag, thin footpath sebific duct and sealed bladder, and air bag and sealed bladder pass through thin footpath sebific duct Connection, the side of sealed bladder is equipped with multiple equally distributed prominent rings, and prominent ring runs through sealed bladder, and the inside of sealed bladder is filled There is polytetrafluoroethylene film, and polytetrafluoroethylene film is fitted closely with sealing capsule inner wall and prominent ring respectively；The side of raised bubbles is set There is suction tube, and suction tube is connected to raised bubbles；The inside of the spherical shell of PVC is respectively equipped with the first nylon micro porous filter membrane, the second Buddhist nun Imperial miillpore filter, the first composite fibre filter membrane, the second composite fibre filter membrane and PVDF membrane, and the first nylon micro porous is filtered It is parallel between film, the second nylon micro porous filter membrane, the first composite fibre filter membrane, the second composite fibre filter membrane and PVDF membrane Setting, and is connected with the spherical shell inner wall of PVC, the first nylon micro porous filter membrane to the gap and the between the second nylon micro porous filter membrane One composite fibre filter membrane is identical to the gap between the second composite fibre filter membrane.

As an improvement of the above technical solution, one end of inlet tube is equipped with inlet tube sleeving valve, and inlet tube sleeving valve nesting is simultaneously Be fixed on inlet tube, perfusion tube can be facilitated interfaced by the inlet tube sleeving valve of setting, drug enter the spherical shell of PVC it Afterwards, first time filtering, nylon micro porous are carried out by the composite layer of the first nylon micro porous filter membrane and the second nylon micro porous filter membrane first Filter membrane is amorphous nylon, there is good hydrophily, and the soda acid of resistance to debita spissitudo is applicable not only to containing the water-soluble of acid-base property Liquid, and be a kind of porous membrane filtration material, the micropore of the relatively uniform penetrability of pore-size distribution, microporosity is up to 80 ‰ Absolute hole diameter, the particle in medical fluid is filtered and is obstructed, the medical fluid after filtering by the first composite fibre filter membrane and The composite layer of second composite fibre filter membrane is filtered, and the aluminium film aperture is more equal, and porosity is high, and no medium falls off, and quality is thin, Resistance is small, and filtering velocity is fast, and absorption is minimum, can filter particle of the filtered object at 0.025 micron or more, last medical fluid is by gathering inclined two Fluoride film absorbs, and the film high mechanical strength, tensile strength are high, has good heat resistance and chemical stability, protein adsorption Rate is low, and it is penetrating to be conducive to protein, has stronger negative static behaviour.

As an improvement of the above technical solution, the tail end of outlet tube is equipped with liquid outlet joint, and liquid outlet joint insertion is set It sets in outlet tube, and is fixed as one with outlet tube by melting, is connect by the way that the liquid outlet joint of setting is convenient with conduit Afterwards, filtered medical fluid is exported, the air pressure of air bag is different from the air pressure outside sealed bladder, is formed after height pressure difference, is contained The medical fluid of gas and bubble will pass through prominent ring and be absorbed into sealed bladder, and polytetrafluoroethylene film is using completely hydrophobic by natural permanent PTFE material, guarantee that humid air or other gases are gone everywhere without any hindrance here, and aqueous solution cannot then penetrate, in medical fluid air and Bubble is effectively absorbed, and is prevented gas from inputting into patient's body and is caused discomfort.

As an improvement of the above technical solution, sealed bladder insertion is set to the junctions of raised bubbles Yu the spherical shell of PVC, and with The spherical shell of PVC is also used to the sealing between raised bubbles and the spherical shell of PVC by the sealed bladder of setting by nontoxic glue bond, Middle suction tube can facilitate addition, aspiration medicinal liquid, operate convenient for medical staff.

The utility model can be adsorbed and be filtered to the little particulate of different-diameter；The filter membrane of MULTILAYER COMPOSITE can increase Filter effect；Can in medical fluid air and bubble adsorb.Specific advantage embodies are as follows:

Advantage 1: one end of inlet tube is equipped with inlet tube sleeving valve, and inlet tube sleeving valve is nested and is fixed on inlet tube, leads to The inlet tube sleeving valve for crossing setting can facilitate perfusion tube interfaced, and drug enters after the spherical shell of PVC, pass through the first Buddhist nun first The composite layer of imperial miillpore filter and the second nylon micro porous filter membrane carries out first time filtering, and nylon micro porous filter membrane is amorphous nylon, There is good hydrophily, the soda acid of resistance to debita spissitudo is applicable not only to the aqueous solution containing acid-base property, and is a kind of porosity Membrane filtration material, the micropore of the relatively uniform penetrability of pore-size distribution, microporosity is up to 80 ‰ absolute hole diameter, in medical fluid Particle be filtered and obstruct, the medical fluid after filtering is answered by the first composite fibre filter membrane and the second composite fibre filter membrane It closes layer to be filtered, the aluminium film aperture is more equal, and porosity is high, and no medium falls off, and quality is thin, and resistance is small, and filtering velocity is fast, adsorbs pole It is small, particle of the filtered object at 0.025 micron or more can be filtered, last medical fluid is absorbed by PVDF membrane, the film machine Tool intensity is high, tensile strength is high, has good heat resistance and chemical stability, and protein adsorption rate is low, and it is logical to be conducive to protein Thoroughly, there is stronger negative static behaviour.

Advantage 2: the tail end of outlet tube is equipped with liquid outlet joint, and liquid outlet joint insertion is arranged in outlet tube, and with Outlet tube is fixed as one by melting, after connecting by the way that the liquid outlet joint of setting is convenient with conduit, by filtered medical fluid Export, the air pressure of air bag is different from the air pressure outside sealed bladder, is formed after height pressure difference, the medical fluid containing gas and bubble is just It is absorbed into sealed bladder by prominent ring, polytetrafluoroethylene film uses PTFE material completely hydrophobic by natural permanent, guarantees tide Humid air or other gases are gone everywhere without any hindrance here, and aqueous solution cannot then penetrate, in medical fluid air and bubble effectively inhaled It receives, prevents gas from inputting into patient's body and cause discomfort.

Advantage 3: sealed bladder, which is embedded in, is set to the junctions of raised bubbles Yu the spherical shell of PVC, and passes through with the spherical shell of PVC nontoxic Glue bond is also used to the sealing between raised bubbles and the spherical shell of PVC by the sealed bladder of setting, and wherein suction tube can conveniently add Add, aspiration medicinal liquid, is operated convenient for medical staff.

Detailed description of the invention

Fig. 1 is the utility model Multifunctional internal medicine nursing liquid medicine filter structural schematic diagram；

Fig. 2 is the spherical shell sectional side elevation of PVC of the utility model Multifunctional internal medicine nursing liquid medicine filter；

Fig. 3 is the getter device partial structural diagram of the utility model Multifunctional internal medicine nursing liquid medicine filter.

Serial number as shown in the figure: the spherical shell 1 of PVC, inlet tube 2, inlet tube sleeving valve 201, outlet tube 3, liquid outlet joint 301, Raised bubbles 4, suction tube 5, the first nylon micro porous filter membrane 6, the second nylon micro porous filter membrane 7, the first composite fibre filter membrane 8, second are mixed Condensating fiber filter membrane 9, PVDF membrane 10, sealed bladder 11, prominent ring 12, polytetrafluoroethylene film 13, thin footpath sebific duct 14, air bag 15 and getter device 16.

Specific embodiment

The utility model is described in detail below in conjunction with attached drawing 1- Fig. 3, to the skill in the utility model embodiment Art scheme is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, and The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness Every other embodiment obtained, fall within the protection scope of the utility model under the premise of labour.

The utility model provides a kind of Multifunctional internal medicine nursing liquid medicine filter by improving herein, as shown in Figure 1-Figure 3, It can be practiced as follows；Including the spherical shell 1 of PVC, inlet tube 2 and outlet tube 3, inlet tube 2 and outlet tube 3 are distinguished It is set to spherical 1 side of shell PVC and bottom, and is connected to the spherical shell 1 of PVC；The top of the spherical shell 1 of PVC is equipped with raised bubbles 4, And raised bubbles 4 are extruded as one by the spherical blow molding of shell 1 of PVC；The inside of raised bubbles 4 is equipped with getter device 16, getter device 16 It is made of air bag 15, thin footpath sebific duct 14 and sealed bladder 11, and air bag 15 is connected to sealed bladder 11 by thin footpath sebific duct 14, sealed bladder 11 side is equipped with multiple equally distributed prominent rings 12, and prominent ring 12 runs through sealed bladder 11, and the inside of sealed bladder 11 is filled There is polytetrafluoroethylene film 13, and polytetrafluoroethylene film 13 is fitted closely with 11 inner wall of sealed bladder and prominent ring 12 respectively；Raised bubbles 4 Side be equipped with suction tube 5, and suction tube 5 is connected to raised bubbles 4；The inside of the spherical shell 1 of PVC is respectively equipped with the first nylon micro porous Filter membrane 6, the second nylon micro porous filter membrane 7, the first composite fibre filter membrane 8, the second composite fibre filter membrane 9 and PVDF membrane 10, and the first nylon micro porous filter membrane 6, the second nylon micro porous filter membrane 7, the first composite fibre filter membrane 8, the second composite fibre filter membrane 9 It is arranged in parallel between PVDF membrane 10, and is connected with spherical 1 inner wall of shell of PVC, the first nylon micro porous filter membrane 6 to The gap phase between gap and 8 to the second composite fibre filter membrane 9 of the first composite fibre filter membrane between two nylon micro porous filter membranes 7 Together.

One end of inlet tube 2 is equipped with inlet tube sleeving valve 201, and inlet tube sleeving valve 201 is nested and is fixed on inlet tube 2, Perfusion tube can be facilitated interfaced by the inlet tube sleeving valve 201 of setting, drug enters after the spherical shell 1 of PVC, passes through first The composite layer of first nylon micro porous filter membrane 6 and the second nylon micro porous filter membrane 7 carries out first time filtering, and nylon micro porous filter membrane is fat Race's nylon has good hydrophily, and the soda acid of resistance to debita spissitudo is applicable not only to the aqueous solution containing acid-base property, and is one The porous membrane filtration material of kind, the micropore of the relatively uniform penetrability of pore-size distribution, microporosity are up to 80 ‰ absolute hole diameter, Particle in medical fluid is filtered and is obstructed, the medical fluid after filtering is fine by the first composite fibre filter membrane 8 and the second mixing The composite layer of dimension filter membrane 9 is filtered, and the aluminium film aperture is more equal, and porosity is high, and no medium falls off, and quality is thin, and resistance is small, filter Fast fast, absorption is minimum, can filter particle of the filtered object at 0.025 micron or more, last medical fluid passes through PVDF membrane 10 absorb, and the film high mechanical strength, tensile strength are high, have good heat resistance and chemical stability, protein adsorption rate is low, has It is penetrating conducive to protein, there is stronger negative static behaviour.

The tail end of outlet tube 3 is equipped with liquid outlet joint 301, and the insertion of liquid outlet joint 301 is arranged in outlet tube 3, and It is fixed as one with outlet tube 3 by melting, after being connect by the way that the liquid outlet joint 301 of setting is convenient with conduit, after filtering Medical fluid export, the air pressure of air bag 15 is different from the air pressure outside sealed bladder 11, formation height pressure difference after, it is gentle containing gas The medical fluid of bubble will pass through prominent ring 12 and be absorbed into sealed bladder 11, and polytetrafluoroethylene film 13 is using completely hydrophobic by natural permanent PTFE material guarantees that humid air or other gases are gone everywhere without any hindrance here, and aqueous solution cannot then penetrate, gentle to the air in medical fluid Bubble is effectively absorbed, and is prevented gas from inputting into patient's body and is caused discomfort.

Sealed bladder 11, which is embedded in, is set to the junctions of raised bubbles 4 Yu the spherical shell 1 of PVC, and passes through with the spherical shell 1 of PVC nontoxic Glue bond is also used to the sealing between raised bubbles 4 and the spherical shell 1 of PVC by the sealed bladder 11 of setting, and wherein suction tube 5 can Facilitate addition, aspiration medicinal liquid, is operated convenient for medical staff.

A kind of working principle of Multifunctional internal medicine nursing liquid medicine filter: respectively by inlet tube sleeving valve 201 and perfusion tube pair It connects, then connect liquid outlet joint 301 with conduit, flowed into the spherical shell 1 of PVC to medical fluid by inlet tube 2, medical fluid is logical first The composite layer for crossing the first nylon micro porous filter membrane 6 and the second nylon micro porous filter membrane 7 carries out first time filtering, and nylon micro porous filter membrane is rouge Fat race nylon, there is good hydrophily, and the soda acid of resistance to debita spissitudo is applicable not only to the aqueous solution containing acid-base property, Er Qieshi A kind of porous membrane filtration material, the relatively uniform penetrability micropore of pore-size distribution, microporosity are up to 80 ‰ absolute hole Diameter is filtered and obstructs to the particle in medical fluid, while the air pressure of air bag 15 is different from the air pressure outside sealed bladder 11, is formed high After low pressure difference, the medical fluid containing gas and bubble will pass through prominent ring 12 and be absorbed into sealed bladder 11, polytetrafluoroethylene film 13 use PTFE material completely hydrophobic by natural permanent, guarantee that humid air or other gases are gone everywhere without any hindrance here, and aqueous solution is then Cannot penetrate, in medical fluid air and bubble be effectively absorbed into thin footpath sebific duct 14 and eventually enter into air bag 15, filter Medical fluid later is filtered by the composite layer of the first composite fibre filter membrane 8 and the second composite fibre filter membrane 9, the aluminium film aperture Relatively uniform, porosity is high, and no medium falls off, and quality is thin, and resistance is small, and filtering velocity is fast, and absorption is minimum, can filter filtered object and exist 0.025 micron or more of particle, last medical fluid are absorbed and filtered by PVDF membrane 10, by medical fluid protein and its He filters out beneficial to particle.

To sum up；The utility model Multifunctional internal medicine nurses liquid medicine filter, and the little particulate of different-diameter can be carried out by having Absorption and filtering, while the filter membrane of MULTILAYER COMPOSITE can increase filter effect, and can in medical fluid air and bubble into The advantages that row absorption.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims

1. a kind of Multifunctional internal medicine nurses liquid medicine filter, including the spherical shell of PVC (1), inlet tube (2) and outlet tube (3), special Sign is: the inlet tube (2) and outlet tube (3) are respectively arranged at the spherical shell of PVC (1) side and bottom, and spherical with PVC Shell (1) connection；The top of the spherical shell of PVC (1) is equipped with raised bubbles (4), and the raised bubbles (4) are blown by the spherical shell of PVC (1) Modeling is extruded as one；The inside of the raised bubbles (4) is equipped with getter device (16), and the getter device (16) is by air bag (15), thin footpath sebific duct (14) and sealed bladder (11) are constituted, and the air bag (15) and sealed bladder (11) pass through thin footpath sebific duct (14) Connection, the side of the sealed bladder (11) is equipped with multiple equally distributed prominent rings (12), and the prominent ring (12) is through close The inside of (11) encapsulated, the sealed bladder (11) is filled with polytetrafluoroethylene film (13), and the polytetrafluoroethylene film (13) point It is not fitted closely with sealed bladder (11) inner wall and prominent ring (12)；The side of the raised bubbles (4) is equipped with suction tube (5), and institute Suction tube (5) is stated to be connected to raised bubbles (4)；The inside of the spherical shell of PVC (1) be respectively equipped with the first nylon micro porous filter membrane (6), Second nylon micro porous filter membrane (7), the first composite fibre filter membrane (8), the second composite fibre filter membrane (9) and PVDF membrane (10), and it is first nylon micro porous filter membrane (6), the second nylon micro porous filter membrane (7), the first composite fibre filter membrane (8), second mixed It is arranged in parallel between condensating fiber filter membrane (9) and PVDF membrane (10), and is connected with the spherical shell of PVC (1) inner wall, it is described First nylon micro porous filter membrane (6) between the second nylon micro porous filter membrane (7) gap and the first composite fibre filter membrane (8) extremely Gap between second composite fibre filter membrane (9) is identical.

2. a kind of Multifunctional internal medicine nurses liquid medicine filter according to claim 1, it is characterised in that: the inlet tube (2) One end be equipped with inlet tube sleeving valve (201), and the inlet tube sleeving valve (201) is nested and is fixed on inlet tube (2).

3. a kind of Multifunctional internal medicine nurses liquid medicine filter according to claim 1, it is characterised in that: the outlet tube (3) Tail end be equipped with liquid outlet joint (301), and the liquid outlet joint (301) insertion setting is in the outlet tube (3), and with liquid out Pipe (3) is fixed as one by melting.

4. a kind of Multifunctional internal medicine nurses liquid medicine filter according to claim 1, it is characterised in that: the sealed bladder (11) Insertion is set to the junction of raised bubbles (4) Yu the spherical shell of PVC (1), and passes through nontoxic glue bond with the spherical shell of PVC (1).