CN214861552U - A liquid medicine filter mechanism for hot infusion therapeutic instrument - Google Patents
A liquid medicine filter mechanism for hot infusion therapeutic instrument Download PDFInfo
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- CN214861552U CN214861552U CN202121351939.4U CN202121351939U CN214861552U CN 214861552 U CN214861552 U CN 214861552U CN 202121351939 U CN202121351939 U CN 202121351939U CN 214861552 U CN214861552 U CN 214861552U
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Abstract
The utility model relates to the technical field of liquid medicine filtration, in particular to a liquid medicine filtering mechanism for a hot infusion therapeutic apparatus, which introduces external air through a sealing cap, avoids the internal air entrapping of liquid medicine in a filter cartridge from standing still, filters the circulating air through a gas filtering membrane, filters and isolates dust particles in the air outside the filter cartridge, avoids the air dust particles from being mixed in the liquid medicine, and improves the use safety; including cartridge filter, feed liquor pipe, drain pipe, one-level filter, second grade filter, air inlet, intake pipe, sealing cap and gas filtration membrane, the inside filter chamber that is provided with of cartridge filter, feed liquor pipe intercommunication is installed at cartridge filter top middle part, the drain pipe intercommunication is installed at cartridge filter bottom middle part, the horizontal fixed mounting of one-level filter is at the inside upside of cartridge filter, the horizontal fixed mounting of second grade filter is at the inside downside of cartridge filter, the air inlet intercommunication sets up at cartridge filter right-hand member upside.
Description
Technical Field
The utility model relates to a filterable technical field of liquid medicine especially relates to a liquid medicine filter mechanism for hot filling therapeutic instrument.
Background
The hot perfusion therapy machine heats a large-capacity perfusion solution or a perfusion solution containing chemotherapeutic drugs to a certain temperature, a body cavity perfusion catheter is placed by using a minimally invasive or surgical technology, 3-5L of the therapeutic liquid containing the chemotherapeutic drugs is perfused into a body cavity (a thoracic cavity, an abdominal cavity and a bladder) of a patient continuously and circularly at a constant temperature by using a large-area heat exchange technology, cancer cells are filtered by an ultra-micro filter and then flow back to the body cavity, the body cavity is maintained at the constant temperature and is kept for a certain time, and the hot perfusion chemotherapy machine kills and removes residual cancer cells and micro-lesions in the body cavity by the synergistic sensitization effect of the hot chemotherapy and mechanical scouring. The rubber stopper is very easy to be cut by the needle head and sucked into the syringe when the perfusion liquid sucks bottled medicines or liquid, and the syringe is difficult to ensure absolutely by only visual observation, so that broken rubber scraps are very easy to be pushed into blood vessels along with the medicines to enter blood circulation during perfusion. If the blood vessel is blocked, iatrogenic embolism is formed, and if important organ embolism is caused, life is threatened, so that the filtration of the liquid medicine is important.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a introduce the outside air through sealed cap, avoid the inside sleepy liquid medicine of cartridge filter to lead to holding back motionless in the cartridge filter, filter the air of circulation through gas filtration membrane, filter the dirt particle in the air and keep apart outside the cartridge filter, avoid the doping of air dirt particle in the liquid medicine, improve the liquid medicine filter mechanism for hot perfusion therapeutic instrument of safety in utilization.
The utility model discloses a liquid medicine filter mechanism for hot infusion therapeutic instrument, including cartridge filter, feed liquor pipe, drain pipe, one-level filter, second grade filter, air inlet, intake pipe, sealing cap and gas filtration membrane, the inside filter chamber that is provided with of cartridge filter, feed liquor pipe intercommunication is installed at cartridge filter top middle part, the drain pipe intercommunication is installed at cartridge filter bottom middle part, the horizontal fixed mounting of one-level filter is at the inside upside of cartridge filter, the horizontal fixed mounting of second grade filter is at the inside downside of cartridge filter, the air inlet intercommunication sets up at cartridge filter right-hand member upside, the intake pipe intercommunication is installed in the air inlet outer end, sealing cap fastening seal cartridge is in intake pipe port department, and the intercommunication is provided with the blow vent on the outer terminal surface of sealing cap, sealing cap blow vent department fastening mounting has gas filtration membrane.
The utility model discloses a liquid medicine filtering mechanism for hot infusion therapeutic instrument still glues the piece including the injection, the piece fixed mounting is glued in the gas filtration membrane middle part in the injection.
The utility model discloses a liquid medicine filtering mechanism for hot infusion therapeutic instrument still includes articulated shaft and anti-reflux plate, articulated shaft fixed mounting is on the inside lateral wall of drain pipe, anti-reflux plate swings and installs on the articulated shaft.
The utility model discloses a liquid medicine filtering mechanism for hot infusion therapeutic instrument still includes the atress groove, three groups of atress grooves have been seted up to anti-reflux board bottom to be provided with the inclined plane on the atress groove.
The utility model discloses a liquid medicine filtering mechanism for hot infusion therapeutic instrument still includes sealed the pad, sealed fixed the bonding of pad is in anti-reflux board bottom.
The utility model discloses a liquid medicine filtering mechanism for hot infusion therapeutic instrument, prevent that backward flow board, atress groove and sealed pad are aseptic part to the material is inseparable.
Compared with the prior art, the beneficial effects of the utility model are that: the liquid medicine is through feed liquor pipe transport to cartridge filter inside, later once filter through the one-level filter, the liquid medicine circulation after the one-level filter filters is to the second grade filter, then cross the second grade filter and carry out secondary filter, particulate matter in the liquid medicine filters totally, in the filtering process, introduce external air through the sealing cap, avoid inside being tired of cartridge filter to lead to the liquid medicine to hold back motionlessly in the cartridge filter, filter the air of circulation through gas filtration membrane, filter the dust particle in the air and keep apart outside the cartridge filter, avoid the doping of air dust particle in the liquid medicine, safety in utilization is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is an enlarged view of the portion B of FIG. 1;
in the drawings, the reference numbers: 1. a filter cartridge; 2. a liquid inlet pipe; 3. a liquid outlet pipe; 4. a first-stage filter plate; 5. a secondary filter plate; 6. an air inlet; 7. an air inlet pipe; 8. a sealing cap; 9. a gas filtration membrane; 10. injecting a rubber block; 11. hinging a shaft; 12. an anti-backflow plate; 13. a stress groove; 14. and a gasket.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in figures 1 to 3, the utility model discloses a liquid medicine filtering mechanism for a thermal perfusion therapeutic apparatus, which comprises a filter cartridge 1, a liquid inlet pipe 2, a liquid outlet pipe 3, a first-stage filter plate 4, a second-stage filter plate 5, an air inlet 6, an air inlet pipe 7, a sealing cap 8 and a gas filter membrane 9, wherein a filter chamber is arranged inside the filter cartridge 1, the liquid inlet pipe 2 is connected and installed at the middle part of the top end of the filter cartridge 1, the liquid outlet pipe 3 is connected and installed at the middle part of the bottom end of the filter cartridge 1, the first-stage filter plate 4 is transversely and fixedly installed at the upper side inside the filter cartridge 1, the second-stage filter plate 5 is transversely and fixedly installed at the lower side inside the filter cartridge 1, the air inlet 6 is connected and installed at the upper side of the right end of the filter cartridge 1, the air inlet pipe 7 is connected and installed at the outer end of the air inlet pipe 6, the sealing cap 8 is tightly sealed and sleeved on the outer end face of the air inlet port, a gas filtering membrane 9 is fixedly arranged at the air vent of the sealing cap 8; the liquid medicine is through feed liquor pipe 2 transport to cartridge filter 1 inside, later once filter through one-level filter 4, liquid medicine circulation after one-level filter 4 filters is to second grade filter 5 on, then it carries out the secondary filter to cross second grade filter 5, filter the particulate matter in the liquid medicine totally, in the filtering process, introduce external air through sealing cap 8, avoid 1 inside troubles of cartridge filter to lead to the liquid medicine to hold back motionless in cartridge filter 1, filter the air of circulation through gas filtration membrane 9, filter the dust particle in the air and keep apart outside cartridge filter 1, avoid the doping of air dust particle in the liquid medicine, and the safety in utilization is improved.
The utility model discloses a liquid medicine filtering mechanism for a hot infusion therapeutic apparatus, which also comprises an injection rubber block 10, wherein the injection rubber block 10 is fixedly arranged in the middle of a gas filtering membrane 9; when other liquid medicines need to be supplemented, the middle part of the injection rubber block 10 is inserted by using the syringe needle, then the liquid medicine is pushed into the interior of the filter cartridge 1, and after the needle head is pulled out, the needle head hole can be tightly attached and sealed due to the elasticity of the injection rubber block 10, so that the use practicability is improved.
The utility model discloses a liquid medicine filtering mechanism for a thermal perfusion therapeutic apparatus, which also comprises a hinged shaft 11 and an anti-return plate 12, wherein the hinged shaft 11 is fixedly arranged on the inner side wall of the liquid outlet pipe 3, and the anti-return plate 12 is arranged on the hinged shaft 11 in a swinging way; when the liquid medicine is normally carried to the human body, the liquid medicine flows and dashes anti-return plate 12 to the downside swing, and drain pipe 3 is the mediation state this moment, and when the liquid medicine smugglied blood backward flow secretly, the fluid will prevent that return plate 12 dashes upwards, and anti-return plate 12 swings to the horizontality this moment, with 3 shutoff of drain pipe, avoids liquid medicine and blood backward flow, improves stability in use.
The utility model discloses a liquid medicine filtering mechanism for a hot infusion therapeutic apparatus, which also comprises a stress groove 13, wherein three groups of stress grooves 13 are arranged at the bottom end of the anti-reflux plate 12, and an inclined plane is arranged on the stress groove 13; through setting up stress groove 13, when the liquid medicine backward flow, the liquid medicine erodees the inclined plane to stress groove 13, makes anti-return plate 12 produce to 3 inboard wobbling forces of drain pipe, and then drives anti-return plate 12 and to the horizontal state swing, avoids anti-return plate 12 to become invalid, improves stability in use.
The utility model relates to a liquid medicine filtering mechanism for a hot infusion therapeutic apparatus, which also comprises a sealing gasket 14, wherein the sealing gasket 14 is fixedly bonded at the bottom end of an anti-reflux plate 12; through setting up sealed 14 that fills up, when anti-return plate 12 is horizontal, make anti-return plate 12 terminal surfaces and 3 lateral walls of drain pipe paste tightly, avoid the liquid seepage, improve the stability in use.
The utility model discloses a liquid medicine filtering mechanism for hot infusion therapeutic instrument, anti-return plate 12, atress groove 13 are aseptic part with sealed 14 of pad to the material is inseparable.
The utility model discloses a liquid medicine filtering mechanism for hot infusion therapeutic instrument, it is at the during operation, the liquid medicine is through feed liquor pipe 2 transport to cartridge filter 1 inside, later carry out once through one-level filter 4 and filter, the liquid medicine circulation after one-level filter 4 filters is to second grade filter 5 on, then cross second grade filter 5 and carry out secondary filter, particulate matter in the liquid medicine filters totally, in the filtering process, introduce the outside air through sealing cap 8, avoid 1 inside predicament of cartridge filter to lead to the liquid medicine to be stranded in cartridge filter 1 motionless, filter the air of circulation through gas filtration membrane 9, filter the dust particle in the air and keep apart outside cartridge filter 1, avoid the doping of air dust particle in the liquid medicine, improve the safety in utilization.
The utility model discloses a liquid medicine filtering mechanism for hot infusion therapeutic instrument, its mounting means, connected mode or set up the mode and be common mechanical type, as long as can reach all can implement of its beneficial effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A liquid medicine filtering mechanism for a hot infusion therapeutic apparatus is characterized by comprising a filter cartridge (1), a liquid inlet pipe (2), a liquid outlet pipe (3), a first-stage filter plate (4), a second-stage filter plate (5), an air inlet (6), an air inlet pipe (7), a sealing cap (8) and a gas filter membrane (9), wherein a filter cavity is arranged inside the filter cartridge (1), the liquid inlet pipe (2) is communicated and installed in the middle of the top end of the filter cartridge (1), the liquid outlet pipe (3) is communicated and installed in the middle of the bottom end of the filter cartridge (1), the first-stage filter plate (4) is transversely and fixedly installed on the upper side inside the filter cartridge (1), the second-stage filter plate (5) is transversely and fixedly installed on the lower side inside the filter cartridge (1), the air inlet (6) is communicated and installed on the upper side of the right end of the filter cartridge (1), the air inlet pipe (7) is communicated and installed at the outer end of the air inlet (6), sealing cap (8) fastening seal cover dress is in intake pipe (7) port department, and the intercommunication is provided with the blow vent on the outer terminal surface of sealing cap (8), gas filtration membrane (9) are installed in the fastening of sealing cap (8) blow vent department.
2. A liquid medicine filter mechanism for a hot infusion therapy device according to claim 1, further comprising an injection rubber block (10), wherein the injection rubber block (10) is fixedly arranged in the middle of the gas filtering membrane (9).
3. A liquid medicine filtering mechanism for a hot infusion therapy device according to claim 1, further comprising a hinge shaft (11) and a backflow preventing plate (12), wherein said hinge shaft (11) is fixedly mounted on the inner side wall of the liquid outlet pipe (3), and said backflow preventing plate (12) is swingably mounted on the hinge shaft (11).
4. The liquid medicine filtering mechanism for the hot perfusion therapeutic apparatus as claimed in claim 3, further comprising a force-receiving groove (13), wherein three sets of force-receiving grooves (13) are formed at the bottom end of the anti-backflow plate (12), and an inclined surface is formed on the force-receiving groove (13).
5. A medical fluid filter mechanism for a hot infusion therapy device according to claim 3, further comprising a gasket (14), said gasket (14) being fixedly attached to the bottom end of the anti-reflux plate (12).
6. The liquid medicine filtering mechanism for hot perfusion therapy apparatus according to claim 5, wherein the anti-reflux plate (12), the force-bearing groove (13) and the sealing pad (14) are all sterile components and are made of tight materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121351939.4U CN214861552U (en) | 2021-06-17 | 2021-06-17 | A liquid medicine filter mechanism for hot infusion therapeutic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121351939.4U CN214861552U (en) | 2021-06-17 | 2021-06-17 | A liquid medicine filter mechanism for hot infusion therapeutic instrument |
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| Publication Number | Publication Date |
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| CN214861552U true CN214861552U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121351939.4U Active CN214861552U (en) | 2021-06-17 | 2021-06-17 | A liquid medicine filter mechanism for hot infusion therapeutic instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253682A (en) * | 2022-07-29 | 2022-11-01 | 烟台至公生物医药科技有限公司 | Bladder cancer cell capturing device and capturing method |
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2021
- 2021-06-17 CN CN202121351939.4U patent/CN214861552U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253682A (en) * | 2022-07-29 | 2022-11-01 | 烟台至公生物医药科技有限公司 | Bladder cancer cell capturing device and capturing method |
| CN115253682B (en) * | 2022-07-29 | 2024-02-02 | 烟台至公生物医药科技有限公司 | Bladder cancer cell capturing device and capturing method |
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