CN212699950U - Filter device on infusion apparatus - Google Patents
Filter device on infusion apparatus Download PDFInfo
- Publication number
- CN212699950U CN212699950U CN202020484438.2U CN202020484438U CN212699950U CN 212699950 U CN212699950 U CN 212699950U CN 202020484438 U CN202020484438 U CN 202020484438U CN 212699950 U CN212699950 U CN 212699950U
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- China
- Prior art keywords
- conical cover
- filtering
- liquid
- plug
- filter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001802 infusion Methods 0.000 title claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 239000003814 drug Substances 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims description 51
- 239000012528 membrane Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 210000004492 nuclear pore Anatomy 0.000 claims description 5
- 241001411320 Eriogonum inflatum Species 0.000 claims description 3
- 229920005549 butyl rubber Polymers 0.000 claims description 3
- 239000011859 microparticle Substances 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 230000004630 mental health Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001990 intravenous administration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000005189 Embolism Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000012865 aseptic processing Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 210000002216 heart Anatomy 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002510 pyrogen Substances 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a filter device on a transfusion device, which comprises a conical cover and wire conveying pipes arranged at the two ends of the conical cover, wherein a fixed plug is arranged at the center of the upper end of the conical cover, a liquid inlet is arranged at the end part of the fixed plug in a penetrating way, a filter component is fixedly connected below the liquid inlet at the bottom end of the fixed plug, an installation plug is arranged below the filter component at the bottom end of the conical cover, a liquid outlet is arranged at the end part of the installation plug in a penetrating way, a gas collecting ring for collecting bubbles is arranged between the edge of the upper end of the conical cover and the fixed plug, an exhaust valve for exhausting air is arranged at the upper end of the gas collecting ring, an intake valve for collecting air is arranged in the conical cover at the lower end of the gas collecting ring, when the filter device filters, liquid medicine can firstly enter a filter box, then the air bubbles in the conical cover can enter the gas collecting ring along the side, air bubbles can not appear in the infusion pipeline, so that the physical and mental health of a patient is ensured, and the practicability is high.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a filtering device on an infusion apparatus.
Background
The precise infusion apparatus is a common medical apparatus, a channel between a vein and liquid medicine is established through aseptic processing, the precise infusion apparatus is used for intravenous infusion, and generally consists of eight parts, namely a vein needle or an injection needle, a needle head protective cap, an infusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle plug puncture outfit, an air filter and the like which are connected, wherein the partial infusion apparatus also comprises an injection piece, a medicine adding port and the like; in the process of infusion, infusion reaction happens occasionally, besides bacterial pollution reaction and pyrogen reaction, particle pollution reaction caused by insoluble particles is more and more emphasized by people, and the infusion reaction is effectively reduced by using a precise filtering infusion set.
When the traditional liquid medicine filtering device is used, liquid medicine can be discharged out of the filter after entering the filter through the infusion pipeline, and due to the fact that corresponding ventilation treatment cannot be carried out in the exhaust process, a plurality of bubbles can be remained in the infusion pipeline and cannot be discharged out, medical accidents can easily occur when the gas enters a human body carelessly, and psychological burden is brought to a patient due to the residual bubbles.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a filter equipment on transfusion system to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a filtering device on a transfusion device comprises a conical cover and wire conveying pipes arranged at two ends of the conical cover, wherein a fixing plug is arranged at the center of the upper end of the conical cover, a liquid inlet is arranged at the end part of the fixing plug in a penetrating manner, a filtering component for filtering micro particles in liquid medicine is fixedly connected below the liquid inlet at the bottom end of the fixing plug, an installation plug is arranged below the filtering component at the bottom end of the conical cover, a liquid outlet is arranged at the end part of the installation plug in a penetrating manner, a gas collecting ring for collecting bubbles is arranged between the edge of the upper end of the conical cover and the fixing plug, an exhaust valve for exhausting air is arranged at the upper end of the gas collecting ring, and an air inlet valve for collecting air is arranged in the;
the filtering component comprises a filtering box arranged below the liquid inlet, a liquid leakage port is formed in the lower end of the filtering box, and a filtering membrane is fixedly connected above the liquid leakage port in the filtering box.
Preferably, the connection parts of the liquid inlet and the liquid outlet and the fixed plug and the installation plug are respectively provided with a sealing ring for sealing and preventing liquid leakage, and the main material of the sealing ring is butyl rubber.
Preferably, the whole filtering membrane is made of a polyacrylate liquid-blocking material, and the filtering membrane layer is designed by adopting a nuclear pore membrane.
Preferably, the conical cover is fixedly connected with the thread conveying pipe through the liquid inlet and the liquid outlet and communicated with the contact end of the thread conveying pipe, the upper end part of the conical cover where the thread conveying pipe is located is sequentially connected with a dropping bottle, a bottle stopper puncture device and a transfusion bottle, and the lower end of the conical cover where the thread conveying pipe is located is sequentially connected with a flow rate regulator and an injection needle.
Preferably, a plurality of joint pieces used for supporting the fixed plug are installed at the joint of the fixed plug and the gas collecting ring, and each joint piece is annularly arranged between the fixed plug and the gas collecting ring.
Preferably, the integral structure of the conical cover and the filter box is conical in design, and the diameter of the bottom part is smaller than that of the upper end part.
Preferably, a layer of silica gel membrane for preventing bubbles from being adsorbed is laid on the outer side of the filter box.
Preferably, a fastening piece is arranged on the outer side of the thread conveying pipe where the lower end of the mounting plug is located, and the fastening piece is detachably connected with the joint of the liquid outlet through threads.
Compared with the prior art, the beneficial effects of the utility model are that:
when the filtering device filters, liquid medicine enters the filtering box in one step, then air bubbles in the conical cover enter the gas collecting ring along the side wall of the conical cover under the filling of the liquid medicine, and finally are discharged by the exhaust valve, so that no air bubbles are discharged from the infusion pipeline, and the physical and mental health of a patient is ensured;
the sealing ring guarantees the gas tightness of the filtering device, the design of the nuclear pore membrane of the filtering membrane has a good effect of filtering particles when filtering, the outer silica gel membrane of the filter box matched with the conical structure facilitates the upward discharge of air bubbles, the fastener is fixedly connected with the liquid outlet through threads, the disassembly and the installation of a liquid conveying pipe are facilitated, the use of the connecting piece effectively improves the stability of the whole structure of the filtering device, and the reliability is better.
Drawings
Fig. 1 is a schematic structural diagram of a filter device on an infusion set.
Fig. 2 is a structural schematic diagram of a filter infusion tube on an infusion set.
Fig. 3 is a schematic structural diagram of a conical cover of a filter device on an infusion set.
Fig. 4 is a schematic structural diagram of a filter assembly of a filter device on an infusion set.
In the figure: 1-water-lifting bottle, 2-bottle stopper puncture outfit, 3-dropping bottle, 4-line pipe, 5-flow rate regulator, 6-injection needle, 7-conical cover, 8-liquid inlet, 9-fixed plug, 10-gas collecting ring, 11-liquid outlet, 12-mounting plug, 13-exhaust valve, 14-air inlet valve, 15-liquid leakage port, 16-filtering membrane, 17-silica gel mold, 18-connecting piece, 19-fastening piece and 20-filtering box.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in the embodiment of the present invention, a filtering device on an infusion apparatus comprises a conical cover 7 and a conveying line 4 disposed at two ends of the conical cover 7, a fixing plug 9 is installed at the center of the upper end of the conical cover 7, a liquid inlet 8 is disposed at the end of the fixing plug 9, a filtering component for filtering micro particles in a liquid medicine is fixedly connected below the liquid inlet 8 at the bottom end of the fixing plug 9, a mounting plug 12 is disposed below the filtering component at the bottom end of the conical cover 7, a liquid outlet 11 is disposed at the end of the mounting plug 12, a gas collecting ring 10 for collecting bubbles is installed between the upper end edge of the conical cover 7 and the fixing plug 9, an exhaust valve 13 for exhausting air is installed at the upper end of the gas collecting ring 10, an intake valve 14 for collecting air is installed in the conical cover 7 at the lower end of the gas collecting ring 10, both the exhaust valve 13 and the intake valve 14 are, when in use, the air bubbles are discharged by blocking the liquid medicine;
the filtering component comprises a filtering box 20 arranged below the liquid inlet 8, a layer of silica gel membrane 17 for preventing bubbles from adsorbing is laid on the outer side of the filtering box 20, a liquid leakage port 15 is formed in the lower end of the filtering box 20, a filtering membrane 16 is fixedly connected above the liquid leakage port 15 in the filtering box 20, the whole filtering membrane 16 is made of polyacrylate liquid-blocking material, the filtering membrane layer adopts a nuclear pore membrane design, particles larger than ten microns in the liquid medicine account for about one percent, particles smaller than ten microns account for about ninety-eight percent, the average diameter of capillary vessels in a human body is only seven to nine microns, the smallest diameter is four microns, if the liquid medicine is frequently transfused, the particles with the diameter larger than four microns in the liquid medicine can be accumulated in the capillary vessels such as heart, liver, lung, brain, kidney, muscle, skin and the like, the larger particles can directly cause the embolism of the capillary vessels, cause the harm such as local blood supply, the nuclear pore membrane has the characteristics of double layers of filter media, strong dirt holding capacity, regular and uniform filter pores, high filter precision, no foreign matter falling, small drug adsorption, strict classification on pore diameters and the like, can select proper pore diameters for use according to clinical requirements, adopts a conical design for the integral structures of the conical cover 7 and the filter box 20, ensures that the bottom diameter is smaller than the upper end diameter, and facilitates upward discharge of air bubbles due to the conical design;
the conical cover 7 is fixedly connected with the thread conveying pipe 4 through a liquid inlet 8 and a liquid outlet 11 and is communicated with a contact end of the thread conveying pipe 4, the upper end part of the conical cover 7 where the thread conveying pipe 4 is located is sequentially connected with a dropping bottle 3, a bottle stopper puncture outfit 2 and a transfusion bottle 1, the lower end of the conical cover 7 where the thread conveying pipe 4 is located is sequentially connected with a flow rate regulator 5 and an injection needle 6, when the injector is used, medical staff check the disinfection validity period of a disposable infusion apparatus before using the injector and whether air leakage and other abnormalities exist in packaging, take out the infusion apparatus, insert a bottle inserting needle part into the infusion bottle to hang the infusion bottle on an infusion rod, exhaust until the liquid medicine flows to the lower end of the infusion pipe, close the regulator, puncture the intravenous needle into a disinfected vein, and after the fixation, untie a tourniquet, regulate the;
the joint of fixed plug 9 and gas collecting ring 10 installs a plurality of links 18 that are used for supporting fixed plug 9, each link 18 is the annular setting between fixed plug 9 and gas collecting ring 10, installation plug 12 lower extreme place defeated spool 4 outside is provided with fastener 19, fastener 19 can dismantle through the junction of screw thread and liquid outlet 11 and be connected, threaded connection simple structure is convenient for install and dismantle, make fastener 19 also can guarantee good gas tightness when fixing through adding the plasticity backing ring at the junction, inlet 8 and liquid outlet 11 respectively are provided with a sealing washer that is used for sealing and prevents liquid leakage with the fixed plug 9 with the junction of installation plug 12, the sealing washer main material is butyl rubber.
The utility model discloses a theory of operation is: filter equipment filters, the liquid medicine can be earlier one step from inlet 8 gets into filter cartridge 20, accomplish under filtration membrane 16's effect and filter, later get into the conical channel from weeping mouth 15, air bubble in the continuous filling conical channel 7 through the liquid medicine can follow conical channel 7 lateral wall and get into gas collection ring 9, discharge by discharge valve 13 again at last, discharge valve 13 and admission valve 14 can discharge and collect the air bubble in the liquid medicine, gas collection ring 9's use makes can not go out the air bubble in transfer line 4, thereby the patient's of assurance physical and mental health, therefore, the clothes hanger is strong in practicability.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a filter equipment on transfusion system, includes conical cover (7) and sets up defeated spool (4) at conical cover (7) both ends, a serial communication port, conical cover (7) upper end center department installs fixed stopper (9), inlet (8) are worn to be equipped with by fixed stopper (9) tip, connect and be fixed with the filtering component who carries out the filtration to micro-particle in the liquid medicine below fixed stopper (9) bottom place inlet (8), conical cover (7) bottom place filtering component below is provided with installation stopper (12), liquid outlet (11) are worn to be equipped with by installation stopper (12) tip, install between conical cover (7) upper end border and fixed stopper (9) and be used for carrying out the gas collection ring (10) of collecting the bubble, gas collection ring (10) upper end is installed and is used for air escape valve (13) of air escape, install admission valve (14) that are used for collecting the air in gas collection ring (10) lower extreme place conical cover (7) ) (ii) a
The filtering component comprises a filtering box (20) arranged below the liquid inlet (8), a liquid leakage port (15) is formed in the lower end of the filtering box (20), and a filtering membrane (16) is fixedly connected above the liquid leakage port (15) in the filtering box (20).
2. The filtering device of the infusion set according to claim 1, wherein a sealing ring for sealing and preventing liquid leakage is respectively arranged at the joints of the liquid inlet (8) and the liquid outlet (11) with the fixing plug (9) and the mounting plug (12), and the sealing ring is mainly made of butyl rubber.
3. The filter device on the infusion set according to claim 1, wherein the filter membrane (16) is made of polyacrylate liquid-blocking material as a whole, and the filter membrane layer is designed as a nuclear pore membrane.
4. The filtering device on the infusion apparatus according to claim 1, wherein the conical cover (7) is fixedly connected with the line conveying pipe (4) through the liquid inlet (8) and the liquid outlet (11) and is communicated with the contact end of the line conveying pipe (4), the upper end of the conical cover (7) where the line conveying pipe (4) is located is sequentially connected with the dropping bottle (3), the bottle stopper puncture device (2) and the transfusion bottle (1), and the lower end of the conical cover (7) where the line conveying pipe (4) is located is sequentially connected with the flow rate regulator (5) and the injection needle (6).
5. A filter device on an infusion set according to claim 1, wherein a plurality of joints (18) for supporting the fixed plug (9) are mounted at the joint of the fixed plug (9) and the air collecting ring (10), and each joint (18) is annularly arranged between the fixed plug (9) and the air collecting ring (10).
6. The filtering device on the infusion set according to claim 1, characterized in that the integral structure of the conical cover (7) and the filtering box (20) is conical in design, and the diameter of the bottom is smaller than that of the upper end.
7. The filtering device of the infusion set according to claim 1, wherein a layer of silicone membrane (17) for preventing air bubbles from being adsorbed is laid on the outer side of the filtering box (20).
8. The filtering device of the infusion set according to claim 1, wherein a fastening piece (19) is arranged at the outer side of the infusion tube (4) where the lower end of the mounting plug (12) is located, and the fastening piece (19) is detachably connected with the connection part of the liquid outlet (11) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020484438.2U CN212699950U (en) | 2020-04-03 | 2020-04-03 | Filter device on infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020484438.2U CN212699950U (en) | 2020-04-03 | 2020-04-03 | Filter device on infusion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212699950U true CN212699950U (en) | 2021-03-16 |
Family
ID=74905181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020484438.2U Expired - Fee Related CN212699950U (en) | 2020-04-03 | 2020-04-03 | Filter device on infusion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212699950U (en) |
-
2020
- 2020-04-03 CN CN202020484438.2U patent/CN212699950U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210316 |