Primary cell extraction equipment and use method thereofTechnical Field
The invention relates to an extraction device, in particular to a cell extraction device. The present invention further relates to a method of using, and more particularly to a method of performing the primary cell extraction apparatus described above.
Background
In recent years, the technology of extracting primary cell culture has been developed quite well, and the continuous culture of primary cells has been applied to various fields, so that the extraction of primary cells is now urgently required to be manufactured in large quantities.
In the prior art, since the extraction of primary cells involves multiple steps, multiple technicians are required to be employed to start with the tissue obtaining and to perform multiple steps of cutting, centrifuging, enzyme reaction, washing, culturing and the like in a laboratory, not only the tissue cut by each technician is different in size, but also the technicians are required to move back and forth between the steps to perform the steps repeatedly. The culture usually takes more than half a working day from the time of obtaining the tissue to the time of starting the culture, and once a large amount of primary cells are extracted, a plurality of technicians are required to complete the extraction.
However, since there are many processes in the primary cell extraction step, and it is not necessary to operate in a sterile room or a laminar flow cabinet (lab chamber), the probability of contamination of the primary cells is greatly increased, and the efficiency is also low.
In view of the above, there is a need in the art for an extraction apparatus that can save manpower, reduce errors between samples due to different extraction methods by different technicians, and reduce sample contamination.
Disclosure of Invention
In order to overcome the disadvantages of the prior art, the present invention provides a primary cell extraction apparatus and a method for using the same, so as to achieve the effects of saving manpower, achieving the same extraction efficiency, and reducing pollution.
To achieve the above objects, the present invention provides a primary cell extraction apparatus, which comprises a sample cutting area, an operation area, an extraction area, and a slide rail device. The sample mincing zone comprises a tissue mincing device. The operation area comprises a first gate, a heating temperature control device, a rotary fixture, a centrifugal device, a cover opening and closing device, a test tube placing frame and a liquid transferring device; the first gate is adjacent to the sample chopping area, so that the operation area is adjacent to the sample chopping area; the heating temperature control device is adjacent to the first gate; the rotary fixture is adjacent to one side of the heating temperature control device opposite to the first gate; the centrifugal device is adjacent to one side of the rotary fixture relative to the heating temperature control device; the switch cover device is adjacent to the first gate and opposite to the heating temperature control device; the test tube placing frame is adjacent to one side of the switch cover device relative to the first gate; the pipetting device is adjacent to one side of the test tube placement frame opposite to the switch cover device. The extraction area comprises a second gate which is adjacent to the operation area, so that the extraction area is adjacent to the operation area. The slide rail device penetrates through the sample chopping area, the operation area and the extraction area and penetrates below the first gate of the operation area and the second gate of the extraction area; the slide rail device is provided with a trolley which can slide on the slide rail device.
Preferably, the sample cutting area is a sterile laminar flow cabinet (sterile laminar flow cabinet) and has a UV lamp tube with sterilization function, so as to achieve a sterile operation space.
Preferably, the rotary clamp is a robot arm.
Preferably, the pipetting device comprises a frame, at least one pipette, a pipette tip frame, a rotating disc and a recovery area. The frame body is square; the at least one liquid transfer device is arranged above the frame body; the pipette tip rack is movably arranged on one side of the rack body; the rotary disc can be rotatably arranged in the frame body, and a plurality of tank bodies are arranged on the rotary disc; the recovery area is adjacent to the frame body and is arranged below the at least one liquid transfer device.
More preferably, the at least one liquid transfer device is two liquid transfer devices, and the two liquid transfer devices are adjacent to each other.
Preferably, the heating temperature control device, the rotary fixture and the centrifugal device in the operation area are arranged on one side of the slide rail device, and the switch cover device, the test tube placing frame and the liquid transfer device are arranged on the other side of the slide rail device.
The present invention further provides a method for using the primary cell extraction apparatus, comprising the following steps: (1) a tissue mincing device for placing a tissue specimen in the sample mincing zone; (2) the rotary fixture in the operation area clamps the test tube positioned in the test tube placing rack and moves the test tube to the trolley of the slide rail device; the trolley carrying the test tube moves to the cover opening and closing device to open the cover of the test tube; after the first gate is opened, the trolley carrying the test tube with the cover removed moves from the operation area to the sample chopping area, and the first gate is closed; (3) the tissue mincing device is used for mincing the tissue specimen and then flushing the minced tissue specimen into the test tube by buffer solution, opening the first gate, moving the trolley carrying the test tube of the tissue specimen to the opening and closing cover device of the operation area, and closing the first gate; (4) the cover opening and closing device covers the cover of the test tube on the test tube with the tissue sample, and the rotary clamp moves the test tube with the tissue sample to the centrifugal device for centrifugation, so that a first supernatant and a first precipitate are formed in the test tube; the test tube after centrifugation is moved back to the trolley by the rotary fixture; (5) the trolley carrying the centrifuged test tube is moved to the liquid transferring device from the cover opening and closing device, first supernatant in the test tube is sucked to leave a first precipitate, and then enzyme liquid is added into the test tube and mixed with the first precipitate; the trolley carrying the test tube with the enzyme solution moves to the switch cover device, and the switch cover device covers the cover; (6) the rotary fixture clamps the test tube loaded with the enzyme solution to shake and move to the heating temperature control device for enzyme reaction; (7) the rotary fixture clamps the test tube after the enzyme reaction, and moves to the centrifugal device for centrifugation, so that a second supernatant and a second precipitate are formed in the test tube; the rotary fixture moves the centrifuged test tube to the trolley and the cover is opened by the cover opening and closing device; (8) the trolley carrying the centrifuged test tube moves from the switch cover device to the liquid-transferring device, sucks the second supernatant in the test tube to leave a second precipitate, and then adds a cleaning solution into the test tube and mixes the cleaning solution with the second precipitate; the trolley carrying the test tubes of the cleaning solution moves to the switch cover device, and the switch cover device covers the cover; (9) the rotary clamp clamps the test tube loaded with the cleaning solution to shake, and moves the test tube to the centrifugal device for centrifugation, so that a third supernatant and a third precipitate are formed in the test tube; the rotary fixture moves the centrifuged test tube to the trolley and the cover is opened by the cover opening and closing device; (10) moving the trolley carrying the centrifuged test tube from the cover opening and closing device to the liquid transferring device, sucking a third supernatant in the test tube to leave a third precipitate, adding a culture solution into the test tube and mixing the culture solution with the third precipitate, wherein the test tube containing the culture solution has primary cells; the trolley carrying the test tubes of the culture solution moves to the switch cover device, and the switch cover device covers the cover; (11) the rotary clamp clamps the test tube loaded with the culture solution to shake and move to the trolley; opening the second gate, and moving the trolley carrying the test tubes with the culture solution from the operation area to the extraction area; and (12) closing the second gate, and the tube containing the culture solution is subjected to cell culture.
Preferably, the steps (5), (8) and (10) further include moving a pipette tip rack of the pipetting device to a position below each pipette, combining a plurality of pipette tips in the pipette tip rack with each pipette, moving the pipette tip rack away from each pipette, and then performing pipetting operation with the two pipettes.
Preferably, in the steps (5), (8) and (10), one of the pipettes sucks the supernatant in the test tube to leave a precipitate; the trolley carrying the test tube moves to a position far away from the liquid transfer device, the turntable carrying the waste liquid collecting tank body rotates and moves to the position below a liquid transfer device for absorbing the upper liquid from the frame body, and the upper liquid is discharged to the waste liquid collecting tank body; another liquid transfer device sucks the liquid in one pot body on the turntable, the trolley carrying the test tube moves back to the position below the liquid transfer device sucking the liquid and discharges the liquid to the test tube, and the liquid is mixed with the sediment in the test tube; the trolley carrying the test tube with the liquid moves to the switch cover device, and the switch cover device covers the cover; the pipette tip rack is moved to the lower part of each liquid transfer device again to assist in discharging the pipette tips combined with each liquid transfer device to the recovery area; wherein in the step (5), one of the tank bodies on the turntable is an enzyme tank body, and the liquid is an enzyme liquid; wherein in the step (8), one of the tank bodies on the turntable is a cleaning liquid tank body, and the liquid is cleaning liquid; wherein in the step (10), one of the tanks on the turntable is a culture solution tank, and the liquid is a culture solution.
The invention has the advantages that the primary cell can be automatically extracted by the sample chopping area, the operation area, the extraction area and the slide rail device of the primary cell extraction equipment, and various different processes are executed, so that the effects of saving manpower, having the same extraction efficiency and reducing pollution are achieved.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
FIG. 1 is a perspective view of the primary cell extraction apparatus of the present invention.
FIG. 2 is a top view of the primary cell extraction apparatus of the present invention.
FIG. 3 is a perspective view of the sample chopping area of the primary cell extraction device of the present invention.
FIG. 4 is a perspective view of a partial operation area of the primary cell extraction apparatus of the present invention.
FIG. 5 is a perspective view of another partial operation area of the primary cell extraction apparatus of the present invention.
FIG. 6 is a perspective view of the extraction section of the primary cell extraction apparatus of the present invention.
FIG. 7 is a flow chart of steps (1) to (6) of the method of the present invention using a primary cell extraction apparatus; s1 to S6 represent steps (1) to (6).
FIG. 8 is a flow chart of steps (7) to (12) of the method of the present invention using a primary cell extraction apparatus; s7 to S12 represent steps (7) to (12).
Wherein, the reference numbers:
1 Primary cell extraction equipment
10 sample cutting zone
11 tissue morcellating device
20 working area
21 first gate
22 heating temperature control device
23 rotating type clamp
24 centrifugal device
25 opening and closing cover device
26 test tube placing rack
27 liquid transfer device
271 frame body
272 liquid transfer device
273 pipette tip rack
274 rotating disk
275 recovery zone
30 extraction zone
31 second gate
40 sliding rail device
41 trolley
Detailed Description
The technical means adopted by the invention to achieve the purpose are further described below by combining the drawings and the preferred embodiments of the invention.
Referring to fig. 1 and 2, a primary cell extraction apparatus 1 according to the present invention is a sterile laminar flow cabinet, and the primary cell extraction apparatus 1 includes asample crushing region 10, anoperation region 20, anextraction region 30, and aslide rail device 40. Wherein thesample chopping zone 10, theworking zone 20 and theextraction zone 30 are adjacent in sequence; theslide rail device 40 is disposed through thesample shredding zone 10, theworking zone 20 and theextraction zone 30.
Referring to fig. 2 and 3, the sample-mincing region 10 includes a tissue-mincing device 11, and the tissue-mincing device 11 is fixedly arranged in the sample-mincingregion 10. Thesample chopping block 10 is a sterile laminar flow cabinet with UV lamps for sterilization to achieve sterile operating space.
Referring to fig. 2, 4 and 5, theoperation area 20 includes afirst gate 21, a heatingtemperature control device 22, arotary clamp 23, acentrifugal device 24, a cover opening and closing device 25, atest tube holder 26 and apipetting device 27. Thefirst gate 21 is adjacent to thesample comminution zone 10. The heatingtemperature control device 22 is adjacent to thefirst gate 21. Therotary fixture 23 is adjacent to one side of the heatingtemperature control device 22 opposite to thefirst gate 21; in a preferred embodiment, therotary gripper 23 is a robotic arm. Thecentrifugal device 24 is adjacent to the side of therotary fixture 23 opposite to the heating andtemperature control device 22. The switch cover device 25 is adjacent to thefirst gate 21 and opposite to the heatingtemperature control device 22. Thetest tube rack 26 is adjacent to a side of the opening and closing cover device 25 opposite to thefirst shutter 21. Thepipetting device 27 is adjacent to the side of thetest tube rack 26 opposite to the switch cover device 25; thepipetting device 27 comprises aframe 271, at least onepipette 272, apipette tip frame 273, aturntable 274, and arecovery zone 275. Theframe body 271 is square. The at least onepipette 272 is disposed above theframe body 271; in a preferred embodiment, the at least onepipette 272 is a micropipette (pipette); in another preferred embodiment, the at least onepipette 272 is twopipettes 272, and the pipettes are adjacent to each other. Thepipette tip holder 273 is movably disposed at one side of theholder body 271. Theturntable 274 is rotatably disposed in theframe body 271, and theturntable 274 has a plurality of tanks, wherein the tanks can be used as a waste liquid collecting tank, a ferment tank, a cleaning liquid tank, or a culture liquid tank. Therecovery area 275 is adjacent to theframe 271 and is disposed below the at least onepipette 272. In a further preferred embodiment, the heatingtemperature control device 22, therotary fixture 23 and thecentrifugal device 24 of the workingarea 20 are disposed on one side of theslide rail device 40, and the lid opening and closing device 25, thetest tube rack 26 and thepipetting device 27 are disposed on the other side of theslide rail device 40.
Referring to fig. 6, theextraction area 30 includes asecond gate 31, and thesecond gate 31 is adjacent to theoperation area 20.
Referring to fig. 2 and 6, theslide rail device 40 is disposed below thefirst gate 21 of the workingarea 20 and thesecond gate 31 of theextraction area 30; theslide rail device 40 has atrolley 41 sliding on theslide rail device 40.
Referring to fig. 7 and 8, the present invention further provides a method using the primary cell extraction apparatus 1, comprising the following steps:
(1) a tissue mincing means 11 for placing a tissue specimen in thesample mincing zone 10;
(2) therotary gripper 23 of the workingarea 20 grips the test tube in thetest tube rack 26 and moves the test tube to thetrolley 41 of theslide rail device 40; thetrolley 41 carrying the test tube moves to the cover opening and closing device 25 to open the cover of the test tube; after opening thefirst shutter 21, thetrolley 41 carrying the test tube with the removed lid is moved from the workingarea 20 to thesample cutting area 10, and thefirst shutter 21 is closed;
(3) thetissue mincing device 11 is used for mincing the tissue specimen, then flushing the minced tissue specimen into the test tube by buffer solution, opening thefirst gate 21, moving thetrolley 41 carrying the test tube of the tissue specimen to the cover opening and closing device 25 of theoperation area 20, and closing thefirst gate 21;
(4) the cover opening and closing device 25 covers the cover of the test tube and closes the test tube with the tissue sample, and therotary clamp 23 moves the test tube with the tissue sample to thecentrifugal device 24 for centrifugation; centrifuging at 200x g deg.C for 4 min to form a first supernatant and a first precipitate; therotary clamp 23 moves the centrifuged test tube back to the cover opening and closing device 25 to open the cover; therotary gripper 23 then moves the centrifuged test tube back onto thetrolley 41;
(5) a pipette tip rack 273 of the pipette device 27 is moved below each pipette 272, a plurality of pipette tips in the pipette tip rack 273 are combined with each pipette 272, and the pipette tip rack 273 is moved away from each pipette 272; the trolley 41 carrying the centrifuged test tube is moved from the switch cover device 25 to the pipetting device 27, and a first supernatant in the test tube is sucked by one of the pipettes 272 to leave a first precipitate; the trolley 41 carrying the test tube moves away from the pipetting device 27, the turntable 274 carrying the waste liquid collection tank rotates and moves from the frame 271 to the position below the pipetter 272 which sucks the first supernatant liquid and discharges the first supernatant liquid to the waste liquid collection tank; another pipette 272 sucks the ferment liquid in the ferment pot on the rotating disc 274, the trolley 41 carrying the test tube moves back to the position below the pipette 272 sucking the ferment liquid and discharges the ferment liquid to the test tube, and the ferment liquid is mixed with the first precipitate in the test tube; the trolley 41 carrying the test tube with the enzyme solution moves to the cover opening and closing device 25, and the cover is closed by the cover opening and closing device 25; the pipette tip rack 273 is moved again below each pipette 272 to assist in discharging the pipette tip 273, which is combined with each pipette 272, to the recovery area 275, the pipette tips in the pipette tip rack 273 are combined with each pipette 272, and the pipette tip rack 273 is moved away from each pipette 272;
(6) therotary fixture 23 clamps the test tube loaded with the enzyme solution to shake, and move to the heatingtemperature control device 22 for enzyme reaction; the enzyme reaction condition is that the enzyme is shaken every 10 minutes at 37 ℃ for 6 times in total;
(7) therotary clamp 23 clamps the test tube after the enzyme reaction and moves to thecentrifugal device 24 for centrifugation; centrifuging at 200x g deg.C for 4 min to form a second supernatant and a second precipitate; therotary clamp 23 moves the centrifuged test tube to thetrolley 41, and the cover is opened by the cover opening and closing device 25;
(8) the difference between this step and step (5) is that the enzyme tank on theturntable 274 is replaced by a cleaning liquid tank. The detailed steps are as follows:
the trolley 41 carrying the test tube after enzyme reaction is moved from the switch cover device 25 to the pipetting device 27, and a second upper liquid in the test tube is sucked by one of the pipettes 272 to leave a second precipitate; the trolley 41 carrying the test tube is moved away from the pipetting device 27, the turntable 274 carrying the waste liquid collection tank is rotated from the frame body 271 to a position below the pipetter 272 which sucks the second supernatant liquid and discharges the second supernatant liquid to the waste liquid collection tank; another pipettor 272 sucks the cleaning liquid in the cleaning liquid tank on the turntable 274, the trolley 41 carrying the test tube moves back to the position below the pipettor 272 sucking the cleaning liquid and discharges the cleaning liquid to the test tube, and the cleaning liquid is mixed with the second sediment in the test tube; the trolley 41 carrying the test tubes of the cleaning solution moves to the cover opening and closing device 25, and the cover opening and closing device 25 covers the test tubes; the pipette tip rack 273 is moved again below each pipette 272 to assist in discharging the pipette tip 273, which is combined with each pipette 272, to the recovery area 275, the pipette tips in the pipette tip rack 273 are combined with each pipette 272, and the pipette tip rack 273 is moved away from each pipette 272;
(9) therotary clamp 23 clamps the test tube loaded with the cleaning solution to shake, and moves to thecentrifugal device 24 for centrifugation; centrifuging at 200x g deg.C for 4 min to form a third supernatant and a third precipitate; therotary clamp 23 moves the centrifuged test tube to thetrolley 41, and the cover is opened by the cover opening and closing device 25;
(10) the process is the same as step (5), except that the enzyme tank on theturntable 274 is replaced by a culture tank. The detailed steps are as follows:
the trolley 41 carrying the centrifuged test tube is moved from the switch cover device 25 to the pipetting device 27, and a third supernatant in the test tube is sucked by one of the pipettes 272 to leave a third precipitate; the trolley 41 carrying the test tube is moved away from the pipetting device 27, the turntable 274 carrying the waste liquid collection tank is rotationally moved from the frame body 271 to the position below the pipetter 272 which sucks the third supernatant liquid and discharges the third supernatant liquid to the waste liquid collection tank; another liquid transfer device 272 sucks the culture solution in the culture solution tank on the rotating disc 274, the trolley 41 carrying the test tube moves back to the position below the liquid transfer device 272 for sucking the culture solution and discharges the culture solution to the test tube, and the culture solution is mixed with the third precipitate in the test tube, and the test tube containing the culture solution has primary cells; the trolley 41 carrying the test tubes of the culture solution moves to the cover opening and closing device 25, and the cover is closed by the cover opening and closing device 25; the pipette tip rack 273 is moved again below each pipette 272 to assist in discharging the pipette tip 273, which is combined with each pipette 272, to the recovery area 275, the pipette tips in the pipette tip rack 273 are combined with each pipette 272, and the pipette tip rack 273 is moved away from each pipette 272;
(11) therotary gripper 23 grips the test tube loaded with the culture solution, and moves the test tube to thecarriage 41; thesecond gate 31 is opened, and thetrolley 41 carrying the test tubes of the culture solution is moved from theoperation area 20 to theextraction area 30;
(12) thesecond shutter 31 is closed and the tube containing the culture solution is subjected to cell culture.
Various modifications and alterations of this invention will become apparent to those skilled in the art without departing from the scope and spirit of this invention. Although the invention has been described in connection with specific preferred embodiments, it is to be understood that the invention is not to be unduly limited to such specific embodiments.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.