CN201235245Y - Conical filter and automatic collection instrument for full cast-off cells - Google Patents
Conical filter and automatic collection instrument for full cast-off cells Download PDFInfo
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- CN201235245Y CN201235245Y CNU2008200264705U CN200820026470U CN201235245Y CN 201235245 Y CN201235245 Y CN 201235245Y CN U2008200264705 U CNU2008200264705 U CN U2008200264705U CN 200820026470 U CN200820026470 U CN 200820026470U CN 201235245 Y CN201235245 Y CN 201235245Y
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Abstract
The utility model discloses a taper filter and a full cast-off cell automatic collecting instrument. The taper filter of the utility model comprises taper cell filter membrane, wherein a water-proof layer is arranged on the bottom of the taper cell filter membrane, and a holding part is arranged on the upper portion of the taper cell filter membrane. The full cast-off cell automatic collecting instrument comprises the taper filter, a negative pressure funnel, a discharge liquid barrel and a negative pressure pump, wherein the taper filter is inserted into the negative pressure funnel, the negative pressure funnel is inserted into the discharge liquid barrel, and the negative pressure funnel is connected with the negative pressure pump. The filter of the utility model can extract cells in liquid samples, the structure is simple, and the manufacture is convenient. The collecting instrument has big liquid filter amount, rapid speed and clean samples, and does not pollute environment.
Description
Technical field
The utility model relates to a kind of medical science, laboratory scientific instrument, and is particularly a kind of for collecting, prepare the conical filter and the full cast-off cells automatic collection instrument of clinical various cast-off cells samples.
Background technology
Hospital pathology department, Cytology Lab needs human body chest ascites, urine, the operation cleaning fluid, the sample that puncture fluid etc. carry out cast-off cells extracts, collect, clean, preparation work, generally take centrifugation method now, both by the difference of specific gravity isolated cell, liquid poured in centrifuge, carry out 2000 behind the centrifuge tube and change the centrifugally operated of 10 fens kinds of above rotating speeds, collect the precipitation after centrifugal, gather different cells and will select different rotating speeds and time for use, if sample need clean, just must topple over add again after the supernatant after centrifugal physiological saline or buffer solution cell is suspended after centrifugally operated repeatedly, length consuming time and amount of liquid can not be too big, generally can not surpass 100 milliliters the full urine or the processing of big quantity of fluid, in fact just gather wherein a fraction of cell concentration for these samples.
In the samples such as chest ascites, urine, operation cleaning fluid, puncture fluid the cell of pathology diagnostic value being arranged generally is the about 8-12 micron of epithelial cell, the about 10-30 micron of cancerous tumor cell.
Summary of the invention
Problem to be solved in the utility model is: provide a kind of and filter, extract the conical filter of cell component in the liquid sample, a kind of full cast-off cells automatic collection instrument also is provided, but make its high efficiency extraction, collect the cell in the sample of big amount of liquid.
In order to solve the problems of the technologies described above, the utility model conical filter comprises taper cell filtration film, and taper cell filtration film bottom is provided with impermeable stratum, and taper cell filtration film top is provided with handle part.
For easy to make, described impermeable stratum is the waterproof film of taper, and the waterproof film wrapped of taper is in the outside of taper cell filtration film bottom.
For easy to make, described handle part comprises the ring-like mouthful of edge of turning up and form in reinforcing ring and reinforcing ring top, and the end opening edge of mouthful edge, taper cell filtration film top and reinforcing ring is fitted and connected.
The full cast-off cells automatic collection instrument of the utility model comprises conical filter, negative pressure funnel, waste liquid barrel and negative pressure pump, and conical filter is inserted in the negative pressure funnel, and the negative pressure funnel is inserted in the waste liquid barrel, and the negative pressure funnel connects negative pressure pump.
For extraction, filter process are carried out smoothly, and can satisfy the collection requirement of different volumes cell, the utility model is collected the conical hopper that instrument also includes hard, be densely covered with permeable hole on the wall of conical hopper, conical filter has a plurality of, and the aperture of the filter opening of the taper cell filtration film of each conical filter is inequality, and conical filter is placed in the conical hopper, the inwall of conical filter and conical hopper is fitted, and conical hopper is inserted in the negative pressure funnel.
In order to realize automatic control, the utility model is collected instrument and is included control system, control system comprises control mainboard, optical sensor and negative pressure magnetic valve, optical sensor is arranged on the conical hopper outer wall, the negative pressure magnetic valve is arranged on negative pressure pump and the negative-pressure pipeline that the negative pressure funnel is connected, optical sensor is connected with the control mainboard by holding wire with the negative pressure magnetic valve, when optical sensor is in the state that is covered light, optical sensor can transmit to the control mainboard, and control mainboard control negative pressure magnetic valve is opened.
In order to guarantee in time to form negative pressure in the negative pressure funnel, the negative-pressure pipeline between described negative pressure magnetic valve and negative pressure pump is provided with negative-pressure cup.
Can to form negative pressure by controlling automatically in order making in the negative pressure funnel, to pass through the manual negative pressure that forms again, described control system also comprises gear on-off and touch-pressure switch, gear on-off is connected with the control mainboard by holding wire with touch-pressure switch, gear on-off also is connected the negative pressure magnetic valve by holding wire with touch-pressure switch, and gear on-off has automatic control retaining and manually controls retaining; When gear on-off was in automatic control retaining, the control mainboard can receive the signal of optical sensor and control the negative pressure magnetic valve; When gear on-off was in manual control retaining, the control mainboard can not receive the signal of optical sensor, and the keying of negative pressure magnetic valve is controlled by touch-pressure switch.
In order to control the waste liquid barrel discharge opeing automatically, described control system also comprises draining solenoid valve and pressure inductor, draining solenoid valve is arranged on the Drainage pipe of waste liquid barrel, and waste liquid barrel is placed on the pressure inductor, and draining solenoid valve is connected with the control mainboard by holding wire with pressure inductor; When the pressure on the pressure inductor arrived certain value, pressure inductor sent signal to the control mainboard, and control mainboard control draining solenoid valve is opened, control mainboard control negative pressure closed electromagnetic valve.
For the ease of keeping clean working environment and making easy to operate, the utility model is collected instrument and is also included workbench, conical hopper is arranged on the operating surface of workbench, gear on-off and touch-pressure switch are arranged on the sidewall of negative pressure funnel, and waste liquid barrel, pressure inductor, negative pressure pump, negative-pressure cup and control mainboard are arranged in the casing of bottom of workbench.
The beneficial effects of the utility model are: but the cell in the utility model filter extracting liq sample, and it is simple in structure, easy to make.The utility model is collected instrument by the cell in the mode collection liquid sample that filters, and it has the following advantages:
1, liquid measure is big: can once collect a large amount of cells in large volume or the big quantity of fluid in a large number, liquid body volume restrictions not is as urine, chest ascites etc.;
2, the time is short: can filter rapidly when adopting the negative pressure suction, save for 2/3 time than centrifugal process;
3, sample cleaning: adopt the taper cell filtration film in multiple different apertures, can realize by volume isolated cell, impurity, the specimen quality height; Centrifugal process is pressed the proportion isolated cell, and partial impurities and cell are obscured and can not be removed;
4, a step finishes: collect and clean sample, cell work is once finished, avoided centrifugal cell cleaning method the multi-pass operation pair cell damage and lose;
5, in extensive range: applicable to various liquid samples;
6, simple to operate: clear, convenient and reliable, operations such as trim that needn't centrifugal process;
7, isolated operation: filter all is located in the workbench, operates under airtight relatively, the environment of isolating, and waste liquid, waste gas are discharged outdoor, and experimental implementation person is had best protection;
8, environmental protection and energy saving: handle the equal volume sample, the medical science plastic garbage of generation reduces 2/3.
Description of drawings
Fig. 1 is the exploded perspective view of conical filter in the utility model specific embodiment one; Fig. 2 is the structure division exploded perspective view of full cast-off cells automatic collection instrument in the utility model specific embodiment one; Fig. 3 is the control principle figure of full cast-off cells automatic collection instrument in this bright specific embodiment one; Fig. 4 is the structural representation of the utility model specific embodiment two.
Among the figure: 1, taper cell filtration film, 2, the conical plastics film, 3, the plastics reinforcing ring, 4, annular mouth edge, 5, conical filter, 6, conical hopper, 7, negative pressure funnel, 8, the negative pressure magnetic valve, 9, negative-pressure pipeline, 10, waste solution channel, 11, waste liquid barrel, 12, Drainage pipe, 13, draining solenoid valve, 14, optical sensor, 15, pressure inductor, 16, gear on-off, 17, touch-pressure switch, 18, negative pressure pump, 19, negative-pressure cup, 20, holding wire, 21, control mainboard, 22, floor drain, 23, clear water pipe and shower head, 24, workbench, 25, the pond.
The specific embodiment
Specific embodiment one
A kind of conical filter as shown in Figure 1, it comprises taper cell filtration film 1, the outside, bottom of taper cell filtration film 1 is by thermosol or be bonded with high about the 1 centimetre fluid-tight conical plastics film 2 of fine taper of an awl, can make the sharp position of taper cell filtration film 1 awl keep the liquid that can not of 1-2 milliliter to run off, the cell mass of collection just can not dry up; The edge of taper cell filtration film 1 top mouth is connected with an annular waterproof rigid plastics reinforcing ring 3 with thermosol or adhesive bonding method, the convenient identification of printing filter membrane model on the plastics reinforcing ring 3, the plastics reinforcing ring 3 tops outstanding cast that turns up forms ring-like mouthful along 4, and the person takes with handled easily.
In order effectively to filter, extract cell, taper cell filtration film 1 can adopt the material of maturations such as nylon, cellulose mixture, polyether sulfone, polytetrafluoroethylene (PTFE), polyacrylic high-molecular porous thin layer filter membrane to make, select the aperture to be cut into specific covering of the fan shape at the filter membrane below 6 microns, folding back thermosol or bondingly make taper, under gravity and liquid momentum effect cell can automatic fitration, be precipitated to the awl end (point).
This specific embodiment also can be used as simple type and collects instrument, during use, only needs liquid to be filtered is poured in the conical filter, allows it rely on gravity filtration to fall hydrone and gets final product.
As Fig. 2, a kind of full cast-off cells automatic collection instrument shown in Figure 3, this specific embodiment comprises conical filter 5, conical hopper 6, negative pressure funnel 7, negative pressure magnetic valve 8, negative-pressure pipeline 9, waste solution channel 10, waste liquid barrel 11, Drainage pipe 12, draining solenoid valve 13, optical sensor 14, pressure inductor 15, gear on-off 16, touch-pressure switch 17, negative pressure pump 18, negative-pressure cup 19, holding wire 20 and control mainboard 21.Conical filter 5 is that structure shown in Figure 1 is identical.
As shown in Figure 3, negative pressure magnetic valve 8, draining solenoid valve 13, optical sensor 14, pressure inductor 15, gear on-off 16, touch-pressure switch 17 and negative pressure pump 18 respectively are connected with control mainboard 21 by a holding wire 20, gear on-off 16 also is connected negative pressure magnetic valve 8 by holding wire 20 with touch-pressure switch 17, and gear on-off 16 has automatic control retaining and manually controls retaining; When gear on-off 16 was in automatic control retaining, control mainboard 21 can receive the signal of optical sensor 14, and when optical sensor 14 was covered light, optical sensor 14 can be sent signal, and control mainboard 21 control negative pressure magnetic valves 8 are opened; When gear on-off 16 was in manual control retaining, control mainboard 21 can not receive the signal of optical sensor 14, and the keying of negative pressure magnetic valve 8 is by touch-pressure switch 17 controls.When the pressure on the pressure inductor 15 arrived certain value, pressure inductor 15 sent signal to control mainboard 21, and control mainboard 21 control draining solenoid valves 13 are opened.
During work, negative pressure funnel 7 is inserted in the waste liquid barrel 11, and conical filter 5 is placed in the conical hopper 6, and conical filter 5 and conical hopper 6 inwalls are fitted, and conical hopper 6 is inserted in the negative pressure funnel 7, and optical sensor 14 also enters in the negative pressure funnel 7.
Under the normal condition, gear on-off 16 is pulled out automatic control retaining, optical sensor 14 enters in the negative pressure funnel 7, optical sensor 14 is sent signal to control mainboard 21, control mainboard 21 control negative pressure magnetic valves 8 are opened, make in the negative pressure funnel 7 and form negative pressure, in conical filter 5, pour liquid to be filtered into, suction function in the negative pressure funnel 7 was inhaled in the negative pressure funnel 7 moisture content in the conical filter 5, and following current is in waste liquid barrel 11, when collecting a certain amount of waste liquid in the waste liquid barrel 11, even when the pressure on the pressure inductor 15 arrives certain value, pressure inductor 15 sends signal to control mainboard 21, control mainboard 21 control draining solenoid valves 13 are opened, and other operation stops fully, and waste liquid is discharged, waste liquid emptying pressure inductor transmits signals to mainboard, operation recovery; So realize automatic removal waste fluid.
When the needs manual operation, gear on-off 16 can be pulled out manual control retaining, control mainboard 21 and do not receive the signal that optical sensor 14 is sent this moment, can be by touch-pressure switch 17 control negative pressure magnetic valves 8, press touch-pressure switch 17, negative pressure magnetic valve 8 is opened, and presses touch-pressure switch 17 again, and negative pressure magnetic valve 8 cuts out; End of operation takes off conical filter 5 and places on the filter holder, and cell is standby, changes a new repetitive operation again and gets final product, and can middle needn't pause so repeatedly and finish the work of treatment of a plurality of samples.
Specific embodiment two
A kind of full cast-off cells automatic collection instrument as shown in Figure 4, increase workbench 24 on the basis of its full cast-off cells automatic collection instrument in specific embodiment one, conical filter 5, conical hopper 6 and negative pressure funnel 7 are arranged on the operating surface of workbench 24, waste liquid barrel 11, pressure inductor 15, negative pressure pump 18, negative-pressure cup 19 and control mainboard 21 are arranged in the casing of bottom of workbench 24, the operating surface of workbench 24 is provided with floor drain 22, clear water pipe and shower head 23 and pond 25, the top of workbench 24 is provided with exhaust blower, illuminating lamp, ultraviolet disinfection lamp and air curtain.
The mode of operation of this full cast-off cells automatic collection instrument is identical with the full cast-off cells automatic collection instrument in the specific embodiment one.
Claims (10)
1. conical filter is characterized in that: comprise taper cell filtration film (1), taper cell filtration film (1) bottom is provided with impermeable stratum, and taper cell filtration film (1) top is provided with handle part.
2. conical filter according to claim 1 is characterized in that: described impermeable stratum is the waterproof film of taper, and the waterproof film wrapped of taper is in the outside of taper cell filtration film (1) bottom.
3. conical filter according to claim 2 is characterized in that: described handle part comprises the ring-like mouthful of edge of turning up and form in reinforcing ring and reinforcing ring top (4), and the end opening edge of mouthful edge, taper cell filtration film (1) top and reinforcing ring is fitted and connected.
4. full cast-off cells automatic collection instrument that adopts claim 1,2 or 3 described conical filters, it is characterized in that: comprise conical filter (5), negative pressure funnel (7), waste liquid barrel (11) and negative pressure pump (18), conical filter (5) is inserted in the negative pressure funnel (7), negative pressure funnel (7) is inserted in the waste liquid barrel (11), and negative pressure funnel (7) connects negative pressure pump (18).
5. full cast-off cells automatic collection instrument according to claim 4, it is characterized in that: the conical hopper (6) that includes hard, be densely covered with permeable hole on the wall of conical hopper (6), conical filter (5) has a plurality of, the aperture of the filter opening of the taper cell filtration film (1) of each conical filter (5) is inequality, conical filter (5) is placed in the conical hopper (6), and conical filter (5) is fitted with the inwall of conical hopper (6), and conical hopper (6) is inserted in the negative pressure funnel (7).
6. full cast-off cells automatic collection instrument according to claim 5, it is characterized in that: include control system, control system comprises control mainboard (21), optical sensor (14) and negative pressure magnetic valve (8), optical sensor (14) is arranged on conical hopper (6) outer wall, negative pressure magnetic valve (8) is arranged on negative pressure pump (18) and the negative-pressure pipeline (9) that negative pressure funnel (7) is connected, optical sensor (14) is connected with control mainboard (21) by holding wire (20) with negative pressure magnetic valve (8), when optical sensor (14) is in the state that is covered light, optical sensor (14) can transmit to control mainboard (21), and control mainboard (21) control negative pressure magnetic valve (8) is opened.
7. full cast-off cells automatic collection instrument according to claim 6 is characterized in that: the negative-pressure pipeline (9) between described negative pressure magnetic valve (8) and negative pressure pump (18) is provided with negative-pressure cup (19).
8. full cast-off cells automatic collection instrument according to claim 7, it is characterized in that: described control system also comprises gear on-off (16) and touch-pressure switch (17), gear on-off (16) is connected with control mainboard (21) by holding wire (20) with touch-pressure switch (17), gear on-off (16) also is connected negative pressure magnetic valve (8) by holding wire with touch-pressure switch (17), and gear on-off (16) has automatic control retaining and manually controls retaining; When gear on-off (16) was in automatic control retaining, control mainboard (21) can receive the signal of optical sensor (14) and control negative pressure magnetic valve (8); When gear on-off (16) was in manual control retaining, control mainboard (21) can not receive the signal of optical sensor (14), and the keying of negative pressure magnetic valve (8) is controlled by touch-pressure switch (17).
9. full cast-off cells automatic collection instrument according to claim 8, it is characterized in that: described control system also comprises draining solenoid valve (13) and pressure inductor (15), draining solenoid valve (13) is arranged on the Drainage pipe (12) of waste liquid barrel (11), waste liquid barrel (11) is placed on the pressure inductor (15), and draining solenoid valve (13) is connected with control mainboard (21) by holding wire with pressure inductor (15); When the pressure on the pressure inductor (15) arrived certain value, pressure inductor (15) sent signal to control mainboard (21), and control mainboard (21) control draining solenoid valve (13) is opened, and control mainboard (21) control negative pressure magnetic valve (8) cuts out.
10. full cast-off cells automatic collection instrument according to claim 9, it is characterized in that: also include workbench (24), conical hopper (6) is arranged on the operating surface of workbench (24), gear on-off (16) and touch-pressure switch (17) are arranged on the sidewall of negative pressure funnel (7), and waste liquid barrel (11), pressure inductor (15), negative pressure pump (18), negative-pressure cup (19) and control mainboard (21) are arranged in the casing of bottom of workbench (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200264705U CN201235245Y (en) | 2008-08-01 | 2008-08-01 | Conical filter and automatic collection instrument for full cast-off cells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200264705U CN201235245Y (en) | 2008-08-01 | 2008-08-01 | Conical filter and automatic collection instrument for full cast-off cells |
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| Publication Number | Publication Date |
|---|---|
| CN201235245Y true CN201235245Y (en) | 2009-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200264705U Expired - Lifetime CN201235245Y (en) | 2008-08-01 | 2008-08-01 | Conical filter and automatic collection instrument for full cast-off cells |
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| CN (1) | CN201235245Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329231B (en) * | 2008-08-01 | 2010-07-07 | 张震 | Conical filter and full cast-off cell automatic collection instrument |
| CN113984704A (en) * | 2021-11-01 | 2022-01-28 | 温州科技职业学院 | Device and method for detecting types of micro-plastics in sea-caught eels |
-
2008
- 2008-08-01 CN CNU2008200264705U patent/CN201235245Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329231B (en) * | 2008-08-01 | 2010-07-07 | 张震 | Conical filter and full cast-off cell automatic collection instrument |
| CN113984704A (en) * | 2021-11-01 | 2022-01-28 | 温州科技职业学院 | Device and method for detecting types of micro-plastics in sea-caught eels |
| CN113984704B (en) * | 2021-11-01 | 2023-09-26 | 温州科技职业学院 | Device and method for detecting types of microplastic in sea eel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090513 Effective date of abandoning: 20080801 |