CN220542779U - Craniocerebral drainage bottle filter membrane hydrophobicity test fixture - Google Patents
Craniocerebral drainage bottle filter membrane hydrophobicity test fixture Download PDFInfo
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- CN220542779U CN220542779U CN202322055722.4U CN202322055722U CN220542779U CN 220542779 U CN220542779 U CN 220542779U CN 202322055722 U CN202322055722 U CN 202322055722U CN 220542779 U CN220542779 U CN 220542779U
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- drainage bottle
- drainage
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- sliding plate
- pressure
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 239000012528 membrane Substances 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 5
- 210000004556 brain Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model provides a cranium drainage bottle filter membrane hydrophobicity test fixture which comprises a water storage bottle and a pressure scale, wherein the pressure scale is fixedly arranged on the outer side of the water storage bottle, the top of the water storage bottle is communicated with a pressure maintaining pipe, the bottom of the water storage bottle is respectively communicated with a drainage pipe and a water pressure pipe, the pressure maintaining pipe is connected with a syringe through a gas injection check valve, the drainage pipe is connected with a drainage bottle to be tested through a drainage valve, the water pressure pipe is arranged on the surface of the pressure scale along the vertical direction, a sliding plate, a cross rotating piece and a drainage bottle hoop are arranged on the pressure scale, the sliding plate is vertically and slidably connected with the pressure scale, the closed end of the drainage bottle hoop is movably connected with the sliding plate through the cross rotating piece, the test fixture further comprises a liquid drop monitor and a counter, the liquid drop monitor is arranged on the outer side of the drainage bottle, and the liquid drop monitor is in communication connection with the counter. The integrated design of the utility model improves the convenience of the detection process, and simultaneously uses the liquid drop monitor for detection, thereby reducing the detection error.
Description
Technical Field
The utility model relates to the technical field of medical instrument detection, in particular to a tool for testing hydrophobicity of a craniocerebral drainage bottle filter membrane.
Background
According to the medical appliance industry standard YY/T1287.1-2016, part 1 of the external craniocerebral drainage System: the annex A.11 of the craniocerebral puncture external drainage collection device specifies that when the liquid in the drainage bottle reaches half, the drainage bottle is horizontally placed for 5min, and then the pressure indication mark of the drainage bottle is lower than the pressure indication liquid column of the test device by 5cmH 2 And 0, continuing to drain the liquid into the drainage bottle through the test device, injecting air into the test device to maintain the pressure difference, and observing whether the liquid drop frequency of the liquid inlet of the drainage bottle gradually decreases due to the fact that the pressure in the drainage bottle is increased due to the blockage of the filter membrane.
In the whole test process, an operator needs to repeatedly switch a vertical drainage state and a horizontal standing state of the drainage bottle, and repeatedly takes and places the drainage bottle during switching, so that the operation is complex, the detection efficiency is influenced, the descending frequency of liquid drops in the drainage bottle is observed manually, the labor is consumed, and the detection error is large.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the craniocerebral drainage bottle filter membrane hydrophobicity test fixture, which can directly complete the switching of the vertical drainage state and the horizontal standing state of the drainage bottle on the fixture, improves the detection efficiency, and simultaneously uses a liquid drop monitor to detect the dropping frequency of liquid drops and reduce the detection error.
The technical scheme of the utility model is as follows: the utility model provides a cranium brain drainage bottle filter membrane hydrophobicity test fixture, includes water storage bottle and pressure scale, pressure scale fixed mounting is in the water storage bottle outside, water storage bottle top intercommunication has the pressurize pipe, and water storage bottle bottom intercommunication has drainage tube and water pressure pipe respectively, the pressurize pipe links to each other with the syringe through gas injection check valve, the drainage tube links to each other with the drainage bottle through the drainage valve, water pressure pipe arranges on pressure scale surface along vertical direction, be equipped with sliding plate, cross rotating member and drainage bottle staple bolt on the pressure scale, sliding plate and the vertical sliding connection of pressure scale, drainage bottle staple bolt blind end is through cross rotating member and sliding plate swing joint, and drainage bottle staple bolt open end is towards the outside for realize the joint to the drainage bottle. The drainage bottle to be tested is clamped in the drainage bottle hoop, and through the sliding of the sliding plate and the rotation of the cross rotating piece, the drainage bottle can be switched between the vertical drainage state and the horizontal placement state in the detection process, and the integrated design improves the convenience of the detection process.
Including liquid drop monitor and counter, liquid drop monitor and counter communication are connected, and liquid drop monitor one end demountable installation is on the sliding plate, and the liquid drop monitor other end is the U type and covers in the drainage bottle outside, the U type end inboard of liquid drop monitor is equipped with infrared detection module, and when infrared detection module detected that there is the liquid drop whereabouts in the drainage bottle, then sends a detection signal to the counter. The infrared detection module of the liquid drop monitor is used for detecting the liquid drop dropping condition in the drainage bottle in real time, recording the quantity of received signals in a specified time, finishing counting operation, greatly counting errors manually in the whole process and improving the counting efficiency.
The infrared detection module comprises a transmitting sensor and a receiving sensor, and the transmitting sensor and the receiving sensor are arranged on two sides of the inner wall of the U-shaped end of the liquid drop monitor.
The cross rotating piece comprises a rotating shaft and a cross limiting plate, one end of the rotating shaft is fixedly connected with the closed end of the drainage bottle hoop, the other end of the rotating shaft penetrates through the sliding plate to be connected with the cross limiting plate, a reset spring is sleeved on the rotating shaft between the closed end of the drainage bottle hoop and the sliding plate, limiting protrusions are fixed on four end faces of the cross limiting plate, and limiting holes matched with the limiting protrusions are formed in the sliding plate.
The sliding plate is positioned on the pressure scale opposite to one side of the water pressure pipe, the sliding plate is in sliding connection with two sides of the pressure scale through the sliding groove, the sliding plate is provided with a locking bolt, and the locking bolt penetrates through a threaded hole of the sliding plate and is locked on the pressure scale.
The water storage bottle top is equipped with the top cap, top cap and water storage bottle threaded connection, and the junction of top cap and water storage bottle is sealed through the sealing pad, the pressurize pipe intercommunication is installed on the top cap.
The pressure gauge is provided with a pipe groove, the groove wall of the pipe groove is an arc-shaped surface matched with the surface of the water pressure pipe, and the pressure gauge outside the pipe groove is provided with a clamping ring for fixing the water pressure pipe. The snap ring can fix the water pressure pipe, and the U-shaped communicating vessel is ensured to be formed.
The beneficial effects of the utility model are as follows:
according to the device, the sliding plate, the cross rotating piece and the drainage bottle hoop are arranged, the drainage bottle to be tested is clamped in the drainage bottle hoop, the sliding plate is used for sliding, the height of the drainage bottle can be adjusted, smooth drainage is guaranteed, the cross rotating piece is rotated, switching of the drainage bottle in a vertical drainage state and in a horizontal placement state in the detection process can be achieved, and the integrated design improves the convenience of the detection process; meanwhile, the infrared detection module of the liquid drop monitor detects the liquid drop dropping condition in the drainage bottle in real time, records the quantity of received signals in a specified time, completes counting operation, greatly counts errors manually in the whole process and improves the counting efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of another angle configuration of the present utility model;
FIG. 3 is a schematic view of the structure of the drainage bottle in the horizontal placement state;
fig. 4 is an exploded view of the slide plate, cross-shaped swivel and drainage bottle collar of the present utility model.
Reference numerals: 1. a water storage bottle; 2. a pressure scale; 21. a tube groove; 22. a clasp; 3. a pressure maintaining pipe; 4. a drainage tube; 41. a drainage valve; 5. a water pressure pipe; 6. a top cover; 7. a gas injection check valve; 8. a syringe; 9. a sliding plate; 91. a chute; 92. a locking bolt; 93. a limiting hole; 94. a plug bush; 10. a drainage bottle hoop; 11. a drainage bottle; 12. a droplet monitor; 121. a rod; 13. a rotation shaft; 14. a cross limiting plate; 141. a limit protrusion; 15. and a return spring.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the following description is made in detail with reference to the accompanying drawings, and other embodiments obtained by those skilled in the art without making any inventive effort are all within the scope of the present utility model.
As shown in fig. 1-4, the utility model provides a cranium drainage bottle filter membrane hydrophobicity test fixture, which comprises a water storage bottle 1 and a pressure scale 2, wherein the pressure scale 2 is fixedly arranged on the outer side of the water storage bottle 1, the top of the water storage bottle 1 is communicated with a pressure maintaining pipe 3, the bottom of the water storage bottle 1 is respectively communicated with a drainage pipe 4 and a water pressure pipe 5, the pressure maintaining pipe 3 is connected with an injector 8 through an air injection check valve 7, the drainage pipe 4 is connected with the drainage bottle 11 through a drainage valve 41, a pipe groove 21 is vertically arranged on the pressure scale 2, the water pressure pipe 5 is matched and arranged in the pipe groove 21, and in order to ensure that the water pressure pipe 5 vertically forms a U-shaped connector of the water storage bottle 1, and a clamping ring 22 for fixing the water pressure pipe 5 is arranged on the pressure scale 2 on the outer side of the pipe groove 21. In this embodiment, the gas injection check valve 7 is a medical check valve, which only allows gas to be injected into the water storage bottle 1 from the injector 8, and is formed by buckling an upper valve cover and a lower valve cover, a cavity is formed between the valve covers, and a valve core with an opening direction facing the fluid flow direction is installed in the cavity.
The pressure scale 2 is provided with a sliding plate 9, a cross rotating piece and a drainage bottle hoop 10, the sliding plate 9 is positioned on the pressure scale 2 at one side opposite to the water pressure pipe 5, the sliding plate 9 is in sliding connection with two sides of the pressure scale 2 through a sliding groove 91, the sliding plate 9 is provided with a locking bolt 92, and the locking bolt 92 penetrates through a threaded hole of the sliding plate 9 and is locked on the pressure scale 2; the closed end of the drainage bottle hoop 10 is movably connected with the sliding plate 9 through a cross rotating piece, and the open end of the drainage bottle hoop 10 faces to the outer side so as to realize clamping connection of the drainage bottle 11. The drainage bottle 11 to be tested is clamped in the drainage bottle hoop 10, the sliding plate 9 can adjust the height of the drainage bottle 11, the smooth vertical drainage is ensured, the cross rotating piece is rotated, the drainage bottle 11 in the detection process can be switched between the vertical drainage state and the horizontal placement state, and the integrated design improves the convenience of the detection process.
The test fixture further comprises a liquid drop monitor 12 and a counter, wherein the liquid drop monitor 12 is in communication connection with the counter, one end of the liquid drop monitor 12 is detachably arranged on the sliding plate 9, the other end of the liquid drop monitor 12 is U-shaped and covers the outer side of the drainage bottle 11 in a vertical drainage state, an infrared detection module is arranged on the inner side of the U-shaped end of the liquid drop monitor 12, and when the infrared detection module detects that liquid drops fall in the drainage bottle 11, a detection signal is sent to the counter. The infrared detection module of the liquid drop monitor 12 detects the liquid drop dropping condition in the drainage bottle in real time, records the quantity of received signals in a specified time, completes the counting operation, greatly counts the error manually in the whole process and improves the counting efficiency. In the utility model, the sliding plate 9 is fixed with the plug bush 94, and one end of the drop monitor 12 is inserted into the plug bush 94 through the plug rod 121 in a matched manner, so that the drop monitor 12 is detachably connected with the sliding plate 9.
The infrared detection module comprises a transmitting sensor and a receiving sensor, and the transmitting sensor and the receiving sensor are arranged on two sides of the inner wall of the U-shaped end of the liquid drop monitor 12. The emitting sensor emits infrared light, and the receiving sensor receives the infrared light emitted by the emitting sensor because the U-shaped ends of the liquid drop monitor 12 are symmetrically arranged, when the liquid drop in the drainage bottle 11 drops and passes through the infrared light, the liquid drop can block the infrared light emitted by the emitting sensor, and then the receiving sensor can generate a detection signal and transmit the detection signal to the counter, and the counter counts.
The cross rotating piece comprises a rotating shaft 13 and a cross limiting plate 14, one end of the rotating shaft 13 is fixedly connected with the closed end of the drainage bottle hoop 10, the other end of the rotating shaft 13 penetrates through the sliding plate 9 to be connected with the cross limiting plate 14, a reset spring 15 is sleeved on the rotating shaft 13 between the closed end of the drainage bottle hoop 10 and the sliding plate 9, limiting protrusions 141 are fixed on four end faces of the cross limiting plate 14, and limiting holes 93 matched with the limiting protrusions 141 are formed in the sliding plate 9. When carrying out state conversion to drainage bottle staple bolt 10, only need press drainage bottle 11, reset spring 15 compression, spacing protruding 141 and the spacing hole 93 separation on the sliding plate 9 of cross limiting plate 14, rotatory drainage bottle 90 back, spacing protruding 141 of cross limiting plate 14 is aligned with spacing hole 93 on the sliding plate 9 again, reset spring 15 resets can make drainage bottle 11 reposition, whole conversion process need not to get about to drainage bottle 11 put the operation, the simple operation improves detection efficiency. In the utility model, in order to facilitate the adjustment of the height difference between the pressure indication mark of the drainage bottle 11 and the liquid level of the water pressure pipe 5 during pressure-maintaining drainage, the front side and the rear side of the pressure scale 2 are marked with scale values.
The water storage bottle 1 top is equipped with top cap 6, top cap 6 and water storage bottle 1 threaded connection, and the junction of top cap 6 and water storage bottle 1 is sealed through the sealing pad, pressurize pipe 3 intercommunication is installed on top cap 6. By installing the detachable top cover 6 on the top of the water storage bottle 1, water injection operation can be performed in the water storage bottle 1 in time.
When the technical scheme is implemented, the method is characterized in that the method is carried out according to YY/T1287.1-2016 (part 1 of the craniocerebral external drainage System): the annex A.11 of the craniocerebral puncture external drainage collection device specifies that the drainage tube 4 of the test tool is communicated with the liquid inlet tube of the drainage bottle 11, water is added from the top of the water storage bottle 1, and the water storage bottle 1 is pressurized by the injector 8, so that the water line on the water pressure tube 5 reaches 25cmH of the pressure scale 2 2 The position above 0, the drainage bottle 11 is held in the drainage bottle hoop 10, at this moment, the drainage bottle 11 is in a vertical drainage state, the drainage valve 41 on the drainage tube 4 is opened, the position of the sliding plate 9 is adjusted, the drainage bottle 11 is in a normal drainage state, when the liquid in the drainage bottle 11 reaches half of the capacity of the drainage bottle, the drainage bottle is pressed and rotated by 90 degrees, and the limit protrusion 141 of the cross limit plate 14 is heavyThe position of the limiting hole 93 on the sliding plate 9 is newly positioned as shown in fig. 3, at this time, the drainage bottle 11 is in a horizontal standing state, after standing is completed, the drainage bottle 11 is pressed and reversely rotated, as shown in fig. 2, so that the vertical drainage state is restored again, the liquid drop monitor 12 is inserted into the plug bush 94 of the sliding plate 9, and the position of the sliding plate 9 is adjusted, so that the height difference between the pressure indication mark of the drainage bottle 11 and the liquid level of the water pressure pipe 5 is 5cmH 2 0, the height is maintained by injecting air into the water storage bottle 1 through the injector 8, and the liquid drop monitor 12 and the counter are connected at this time to count the liquid drops in the drainage bottle 11.
Claims (7)
1. The utility model provides a cranium brain drainage bottle filter membrane hydrophobicity test fixture, includes water storage bottle and pressure scale, pressure scale fixed mounting is in the water storage bottle outside, water storage bottle top intercommunication has the pressurize pipe, and water storage bottle bottom intercommunication has drainage tube and water pressure pipe respectively, the pressurize pipe links to each other with the syringe through the gas injection check valve, the drainage tube links to each other with the drainage bottle that awaits measuring through the drainage valve, water pressure pipe arranges on pressure scale surface along vertical direction, a serial communication port, be equipped with sliding plate, cross rotating member and drainage bottle staple bolt on the pressure scale, sliding plate and the vertical sliding connection of pressure scale, the blind end of drainage bottle staple bolt is through cross rotating member and sliding plate swing joint, and the open end of drainage bottle staple bolt is towards the outside for realize the joint to the drainage bottle.
2. The cranium brain drainage bottle filter membrane hydrophobicity test fixture according to claim 1, comprising a liquid drop monitor and a counter, wherein the liquid drop monitor is in communication connection with the counter, one end of the liquid drop monitor is detachably arranged on the sliding plate, the other end of the liquid drop monitor is U-shaped and covered outside the drainage bottle, an infrared detection module is arranged on the inner side of the U-shaped end of the liquid drop monitor, and when the infrared detection module detects that liquid drops fall in the drainage bottle, a detection signal is sent to the counter.
3. The craniocerebral drainage bottle filter membrane hydrophobicity test fixture according to claim 1, wherein the cross rotating piece comprises a rotating shaft and a cross limiting plate, one end of the rotating shaft is fixedly connected with the closed end of the drainage bottle hoop, the other end of the rotating shaft penetrates through the sliding plate to be connected with the cross limiting plate, a reset spring is sleeved on the rotating shaft between the closed end of the drainage bottle hoop and the sliding plate, limiting protrusions are fixed on four end faces of the cross limiting plate, and limiting holes matched with the limiting protrusions are formed in the sliding plate.
4. The craniocerebral drainage bottle filter membrane hydrophobicity test fixture according to claim 1, wherein the sliding plate is positioned on the pressure scale opposite to the side of the water pressure tube, the sliding plate is connected with two sides of the pressure scale in a sliding manner through the sliding groove, and a locking bolt is arranged on the sliding plate, penetrates through a threaded hole of the sliding plate and is locked on the pressure scale.
5. The cranium brain drainage bottle filter membrane hydrophobicity test fixture according to claim 2, wherein the infrared detection module comprises a transmitting sensor and a receiving sensor, and the transmitting sensor and the receiving sensor are arranged on two sides of the inner wall of the U-shaped end of the liquid drop monitor.
6. The craniocerebral drainage bottle filter membrane hydrophobicity test fixture according to claim 1, wherein a top cover is arranged at the top of the water storage bottle, the top cover is in threaded connection with the water storage bottle, the joint of the top cover and the water storage bottle is sealed by a sealing gasket, and the pressure maintaining pipe is installed on the top cover in a communicating manner.
7. The craniocerebral drainage bottle filter membrane hydrophobicity test fixture according to claim 1, wherein a tube groove is formed in the pressure scale, the wall of the tube groove is an arc-shaped surface matched with the surface of the hydraulic tube, and a clamp ring for fixing the hydraulic tube is arranged on the pressure scale outside the tube groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055722.4U CN220542779U (en) | 2023-08-02 | 2023-08-02 | Craniocerebral drainage bottle filter membrane hydrophobicity test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055722.4U CN220542779U (en) | 2023-08-02 | 2023-08-02 | Craniocerebral drainage bottle filter membrane hydrophobicity test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220542779U true CN220542779U (en) | 2024-02-27 |
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ID=89966506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322055722.4U Active CN220542779U (en) | 2023-08-02 | 2023-08-02 | Craniocerebral drainage bottle filter membrane hydrophobicity test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220542779U (en) |
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2023
- 2023-08-02 CN CN202322055722.4U patent/CN220542779U/en active Active
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