CN218755750U - Sample extraction element for preparation stem cell - Google Patents
Sample extraction element for preparation stem cell Download PDFInfo
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- CN218755750U CN218755750U CN202223215032.2U CN202223215032U CN218755750U CN 218755750 U CN218755750 U CN 218755750U CN 202223215032 U CN202223215032 U CN 202223215032U CN 218755750 U CN218755750 U CN 218755750U
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- 238000000605 extraction Methods 0.000 title claims abstract description 25
- 210000000130 stem cell Anatomy 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000005070 sampling Methods 0.000 claims abstract description 84
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
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Abstract
The utility model discloses a preparation sample extraction element for stem cell, include: the sampling cylinder is movably sleeved with a control rod, a first sliding ball is movably embedded at the bottom of the control rod, and the control rod is connected with the sampling cylinder through the first sliding ball; the rotating ring is rotatably connected to the top of the sampling cylinder, and both sides of the bottom end of the rotating ring are connected with arc plates; a sealing cover; the bottom end of the vertical rod is connected with a disc, the vertical rod is rotatably connected with a sampling block through the disc, and the sampling block is arranged in the sampling cylinder in a sliding manner; first arc backup pad and second arc backup pad. The utility model discloses a rotatory swivel becket second sliding ball can slide in the second arc wall, and it is rotatory to drive the control lever for the control lever drives the sampling piece and reciprocates and absorb the sample, and the distance that the number of turns of rotation control lever reciprocated of swivel becket was observed to the position of accessible observation mark mouth, thereby the control is made the absorption volume of sample piece, makes the absorption volume control more easily.
Description
Technical Field
The utility model relates to a stem cell draws technical field, in particular to preparation sample extraction element for stem cell.
Background
The stem cells are cells with unlimited or immortal self-renewal capacity, can produce at least one type of highly differentiated progeny cells, and the extraction process of the stem cells is also quite complex and is mainly divided into the steps of sample receiving, sample processing, plating culture, subculture, supernatant collecting, finished product filling and the like, wherein the plating culture needs to take out a sample and place the sample in a culture dish, and the sample is usually taken by using a sample extraction device, but the following defects still exist in the practical use:
1. when the existing sample extraction device for preparing stem cells is used, the extraction amount and the addition amount of a sample are inconvenient to control, so that the extraction amount is not accurate enough, and the preparation work is inconvenient to carry out;
2. the existing sample extraction device for preparing stem cells is inconvenient to place when in use, and is poor in stability because most of the sample extraction device is cylindrical and easy to roll.
Therefore, the existing sample extraction device for preparing stem cells cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a preparation sample extraction element for stem cell to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a sample extraction device for preparing stem cells, comprising:
the sampling cylinder is movably sleeved with a control rod, a first sliding ball is movably embedded in the bottom of the control rod, and the control rod is connected with the sampling cylinder through the first sliding ball;
the rotating ring is rotatably connected to the top of the sampling cylinder, both sides of the bottom end of the rotating ring are connected with arc-shaped plates, and the rotating ring is rotatably connected with the top of the sampling cylinder through the arc-shaped plates;
the sealing cover is connected to the bottom of the sampling cylinder;
the vertical rod is connected to the bottom end of the control rod, the bottom end of the vertical rod is connected with a disc, the vertical rod is rotatably connected with a sampling block through the disc, and the sampling block is arranged in the sampling cylinder in a sliding mode;
first arc backup pad and second arc backup pad, first arc backup pad inlays the bottom of locating the sampling cylinder with the activity of second arc backup pad, and first arc backup pad and second arc backup pad are used for the support to the sampling cylinder.
Preferably, a first arc-shaped groove is formed in the inner side wall of the sampling cylinder, the inner side wall of the first arc-shaped groove is connected with the control rod in a sliding mode through a first sliding ball, and a second arc-shaped groove is formed in the outer side wall of the control rod.
Preferably, first circular recess has been seted up to one side of control lever bottom, and the first ball activity inlays the inside of locating first circular recess, the internally mounted of first circular recess has first spring, the one end and the first ball of first spring are connected, specifically, the sliding connection of first ball and first arc wall, first ball can remove in first arc wall when the control lever is rotatory for the position of control lever can reciprocate, and the existence of mark mouth is convenient for observe the sampling volume that the number of turns of rotation of swivel controlled the sampling section of thick bamboo.
Preferably, first ring channel has been seted up to the last lateral wall of sampling cylinder, and the lateral wall of first ring channel has seted up first annular spout, the arc alternates with the inside of first ring channel to be connected, and has seted up two second circular recesses on the arc, second circular recess internally mounted has the second spring, and the one end of second spring is connected with the slide bar, the inner chamber sliding connection of slide bar and first annular spout, specifically, first spring makes first smooth ball have certain flexible ability, and the control lever of being convenient for passes through first smooth ball and first arc wall sliding connection, and the second spring makes the slide bar have certain flexible ability, is convenient for slide bar and first annular spout sliding connection, and the swivel becket accessible slide bar rotates.
Preferably, first arc wall and second arc wall all are the heliciform structure setting, sealed lid threaded connection is in the lower lateral wall of sampling cylinder, and the bottom of sealed lid is connected with the sampling head, the mark mouth has been seted up to the outer wall of swivel becket.
Preferably, a plurality of antiskid groove has been seted up to the lateral wall of swivel becket, and is a plurality of equidistance sets up between the antiskid groove, the inside wall of swivel becket is connected with the second sliding ball, and the inner chamber sliding connection of second sliding ball and second arc wall, specifically, the sliding connection of second sliding ball and second arc wall, the second sliding ball can remove in the second arc wall when the swivel becket is rotatory for the control lever is rotatory, thereby makes first sliding ball remove in first arc wall, makes the control lever can reciprocate, the existence in antiskid groove, the rotatory swivel becket of being convenient for.
Preferably, two rectangle mouths have been seted up to the lateral wall of disc, and two a plurality of third spring is all installed to the inside of rectangle mouth, the one end of third spring is connected with the slider, and specifically, the third spring makes the slider have certain flexible ability, and the disc of being convenient for rotates with second annular chute to be connected, the third circular slot has been seted up at the top of sample piece, and the second annular chute has been seted up to the inside wall of third circular slot, the slider rotates with the inner chamber of second annular chute to be connected, specifically, and the slider is connected with the rotation of second annular chute for the rotation of control lever can drive the sample piece and reciprocate, can absorb the sample.
Preferably, a sealing strip is bonded to the outer side wall of the sampling block.
Preferably, the second annular groove has been seted up to the bottom of the lateral wall of sampling cylinder, and a plurality of spacing groove has all been seted up to the top and the bottom of second annular groove inner wall, and specifically, the existence of spacing groove is convenient for with spacing ball joint, first arc backup pad and the movable joint of second arc backup pad are in the inside of second ring channel.
Preferably, a fourth circular groove has been all seted up to the top and the bottom of first arc backup pad and second arc backup pad, fourth circular groove internally mounted has the fourth spring, and specifically, the fourth spring makes spacing ball have certain flexible ability, is convenient for spacing ball and spacing groove joint, the one end of fourth spring is connected with spacing ball, spacing ball and spacing groove joint, the one end of first arc backup pad is character cut in bas-relief structure setting, the one end of second arc backup pad is character cut in bas-relief structure setting, and the one end of first arc backup pad passes through the connecting rod rotation with the one end of second arc backup pad to be connected, specifically, first arc backup pad is connected with the rotation of second arc backup pad for rotatable certain angle between first arc backup pad and the second arc backup pad, be convenient for adjust the position of first arc backup pad and second arc backup pad for first arc backup pad and second arc backup pad can support the position of sampling section of thick bamboo.
The utility model discloses a technological effect and advantage:
(1) The utility model discloses utilize sampling cylinder and control lever matched with mode of setting, rotatory swivel becket second smooth ball can slide in the second arc wall, drive the control lever rotation, thereby make first smooth ball remove in first arc wall, thereby drive the control lever and reciprocate, make the control lever drive the sample block and reciprocate and absorb the sample, the distance that the number of turns control lever reciprocated of swivel becket can be observed through the position of observing the mark mouth, thereby control the distance that reciprocates of sample block, thereby control the suction volume of sample block, make suction volume control more easily;
(2) The utility model discloses utilize first arc backup pad and second arc backup pad matched with mode of setting, the angle of adjustable first arc backup pad and second arc backup pad, pass through fourth spring coupling spacing ball in the fourth circular recess in first arc backup pad and the second arc backup pad, make spacing ball be convenient for with the spacing groove joint, can stabilize the position of first arc backup pad and second arc backup pad, hold between the fingers first arc backup pad and second arc backup pad and make it follow the second annular groove roll-off, make spacing ball and arbitrary spacing groove joint on it after that, can stabilize the position of first arc backup pad and second arc backup pad, make it support the position of sampling cylinder, be convenient for putting of device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the schematic view of the structure of the sampling cylinder of the present invention.
Fig. 3 is a schematic view of the structure of the control rod of the present invention.
Fig. 4 is a schematic view of the structure of the rotating ring of the present invention.
Fig. 5 is a schematic diagram of the explosion structure at the disc of the present invention.
Fig. 6 is the structure diagram of the first arc-shaped supporting plate and the second arc-shaped supporting plate.
Fig. 7 is a schematic structural view of a fourth spring of the present invention.
In the figure: 1. a sampling cartridge; 101. a first arc-shaped slot; 102. a first annular groove; 1021. a first annular chute; 103. a second annular groove; 1031. a limiting groove; 2. a first sliding ball; 3. a control lever; 301. a second arc-shaped slot; 302. a first circular groove; 3021. a first spring; 4. an arc-shaped plate; 401. a second circular groove; 4011. a second spring; 4012. a slide bar; 5. a rotating ring; 501. marking the mouth; 502. an anti-slip groove; 6. a sealing cover; 601. a sampling head; 7. a second sliding ball; 8. erecting a rod; 9. a disc; 901. a rectangular opening; 902. a third spring; 903. a slider; 10. sampling blocks; 1001. a third circular groove; 1002. a second annular chute; 11. a sealing strip; 12. a first arc-shaped support plate; 13. a second arc-shaped support plate; 14. a fourth circular groove; 1401. a fourth spring; 1402. a limiting ball; 15. a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The utility model provides a sample extraction element for preparation stem cell as shown in fig. 1-7, include:
a control rod 3 is movably sleeved in a sampling cylinder 1, a first sliding ball 2 is movably embedded at the bottom of the control rod 3, the control rod 3 is connected with the sampling cylinder 1 through the first sliding ball 2, a first arc-shaped groove 101 is formed in the inner side wall of the sampling cylinder 1, the inner side wall of the first arc-shaped groove 101 is slidably connected with the control rod 3 through the first sliding ball 2, a second arc-shaped groove 301 is formed in the outer side wall of the control rod 3, a first circular groove 302 is formed in one side of the bottom of the control rod 3, the first sliding ball 2 is movably embedded in the first circular groove 302, a first spring 3021 is installed in the first circular groove 302, one end of the first spring 3021 is connected with the first sliding ball 2, the first sliding ball 2 has certain telescopic capacity due to the first spring 3021, the control rod 3 is slidably connected with the first arc-shaped groove 101 through the first sliding ball 2, the second spring 4011 enables the sliding rod 2 to have certain telescopic capacity, the sliding rod 4012 is slidably connected with the first annular sliding groove 1021, and a rotating ring 5 can be slidably connected with the sliding rod 4012;
the sampling device comprises a rotating ring 5, the rotating ring 5 is rotatably connected to the top of a sampling cylinder 1, two sides of the bottom end of the rotating ring 5 are connected with arc plates 4, the rotating ring 5 is rotatably connected with the top of the sampling cylinder 1 through the arc plates 4, a first annular groove 102 is formed in the upper side wall of the sampling cylinder 1, a first annular sliding groove 1021 is formed in the outer side wall of the first annular groove 102, the arc plates 4 are in penetrating connection with the inside of the first annular groove 102, two second circular grooves 401 are formed in the arc plates 4, a second spring 4011 is installed in each second circular groove 401, one end of each second spring 4011 is connected with a sliding rod 4012, the sliding rods 4012 are in sliding connection with the inner cavity of the first annular sliding groove 1021, the sliding balls 2 are in sliding connection with the first arc grooves 101, the first sliding balls 2 can move in the first arc grooves 101 when the control rods 3 rotate, so that the positions of the control rods 3 can move up and down, the existence of mark openings 501 is convenient for observing the rotation of the rotating ring 5 to control the sampling amount of the sampling cylinder 1;
the first arc-shaped groove 101 and the second arc-shaped groove 301 are both arranged in a spiral structure, the sealing cover 6 is in threaded connection with the lower side wall of the sampling cylinder 1, the bottom end of the sealing cover 6 is connected with the sampling head 601, the outer wall of the rotating ring 5 is provided with the marking port 501, the outer side wall of the rotating ring 5 is provided with a plurality of anti-slip grooves 502, the anti-slip grooves 502 are arranged at equal intervals, the inner side wall of the rotating ring 5 is connected with the second sliding ball 7, the second sliding ball 7 is in sliding connection with the inner cavity of the second arc-shaped groove 301, the second sliding ball 7 is in sliding connection with the second arc-shaped groove 301, the second sliding ball 7 can move in the second arc-shaped groove 301 when the rotating ring 5 rotates, the control rod 3 rotates, the first sliding ball 2 moves in the first arc-shaped groove 101, the control rod 3 can move up and down, and the anti-slip grooves 502 exist, and the rotating ring 5 can be rotated conveniently;
a sealing cover 6 connected to the bottom of the sampling cylinder 1;
the vertical rod 8 is connected to the bottom end of the control rod 3, the bottom end of the vertical rod 8 is connected with a disc 9, the vertical rod 8 is rotatably connected with a sampling block 10 through the disc 9, a sealing strip 11 is bonded on the outer side wall of the sampling block 10, the sampling block 10 is slidably arranged inside the sampling cylinder 1, two rectangular openings 901 are formed in the outer side wall of the disc 9, a plurality of third springs 902 are mounted inside the two rectangular openings 901, the third springs 902 enable a sliding block 903 to have certain telescopic capacity, the disc 9 is conveniently and rotatably connected with a second annular sliding groove 1002, one end of each third spring 902 is connected with a sliding block 903, a third circular groove 1001 is formed in the top of the sampling block 10, the inner side wall of the third circular groove 1001 is provided with the second annular sliding groove 1002, the sliding block 903 is rotatably connected with the inner cavity of the second annular sliding groove 1002, the sliding block 903 is rotatably connected with the second annular sliding groove 1002, so that the rotation of the control rod 3 can drive the sampling block 10 to move up and down, samples can be sucked, and the existence of a limiting groove 1031 is convenient to be clamped with a limiting ball 1402;
first arc backup pad 12 and second arc backup pad 13, first arc backup pad 12 inlays the bottom of locating sampling barrel 1 with the activity of second arc backup pad 13, and first arc backup pad 12 and second arc backup pad 13 are used for the support to sampling barrel 1, second ring channel 103 has been seted up to the bottom of sampling barrel 1's lateral wall, and a plurality of spacing groove 1031 has all been seted up to the top and the bottom of second ring channel 103 inner wall, first arc backup pad 12 and the activity joint of second arc backup pad 13 are in the inside of second ring channel 103, fourth circular groove 14 has all been seted up to the top and the bottom of first arc backup pad 12 and second arc backup pad 13, fourth circular groove 14 internally mounted has fourth spring 1401, the one end of fourth spring 1401 is connected with spacing ball 1402, spacing ball 1402 and spacing groove 1031 joint, the one end of first arc backup pad 12 is the setting of character cut in bas font structure, the one end of second arc backup pad 13 is the setting of character cut in bas font structure, and the one end of first arc backup pad 12 and the one end of second arc backup pad 13 passes through connecting rod 15 rotation connection, fourth spring 1401 makes the arc backup pad 1402 have the spacing ball 12, the arc backup pad 12 and the spacing groove 13 rotation of arc backup pad 13, the adjustment of arc backup pad, the arc backup pad 13 can be convenient for the adjustment, the rotation of arc backup pad, the first arc backup pad 13, the spacing ball backup pad 13, the arc backup pad 13 is connected between arc backup pad, the arc backup pad 13.
The utility model discloses the theory of operation:
the control rod 3 and the sampling block 10 are sent into the sampling cylinder 1, so that the first sliding ball 2 is connected with the first arc-shaped groove 101 in the sampling cylinder 1, the rotating ring 5 is connected with the first annular sliding groove 1021 through the arc-shaped plate 4 in a sliding manner, the rotating ring 5 is rotated, the second sliding ball 7 can slide in the second arc-shaped groove 301, the control rod 3 is driven to rotate, so that the first sliding ball 2 moves in the first arc-shaped groove 101, the control rod 3 is driven to move up and down, the sampling block 10 is driven to move up and down by the control rod 3 to suck a sample, the distance of the control rod 3 moving up and down can be controlled by the number of rotation turns of the rotating ring 5 through observing the position of the mark port 501, the distance of the up and down movement of the sampling block 10 is controlled, the suction amount of the sampling block 10 is controlled, if the sampling cylinder 1 is desired to be supported, the first arc-shaped support plate 12 and the second arc-shaped support plate 13 are held to slide out of the sampling cylinder from the second annular groove 103, the limit ball 1402 on the sampling cylinder is connected with any limit groove 1031, and the first arc-shaped support plate 12 and the second arc-shaped support plate 13 can be stably placed on the sampling cylinder, and the sampling cylinder 1 can be conveniently supported by the sampling device 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.
Claims (10)
1. A sample extraction device for preparing stem cells, comprising:
the sampling device comprises a sampling cylinder (1), wherein a control rod (3) is movably sleeved in the sampling cylinder (1), a first sliding ball (2) is movably embedded at the bottom of the control rod (3), and the control rod (3) is connected with the sampling cylinder (1) through the first sliding ball (2);
the rotating ring (5) is rotatably connected to the top of the sampling cylinder (1), both sides of the bottom end of the rotating ring (5) are connected with arc-shaped plates (4), and the rotating ring (5) is rotatably connected with the top of the sampling cylinder (1) through the arc-shaped plates (4);
a sealing cover (6) connected to the bottom of the sampling cylinder (1);
the sampling device comprises a vertical rod (8) connected to the bottom end of a control rod (3), a disc (9) is connected to the bottom end of the vertical rod (8), a sampling block (10) is rotatably connected to the vertical rod (8) through the disc (9), and the sampling block (10) is slidably arranged in a sampling cylinder (1);
first arc backup pad (12) and second arc backup pad (13), first arc backup pad (12) and second arc backup pad (13) activity are inlayed and are located the bottom of sampling cylinder (1), and first arc backup pad (12) and second arc backup pad (13) are used for the support to sampling cylinder (1).
2. The sample extraction device for preparing the stem cells, according to claim 1, wherein the inner sidewall of the sampling cartridge (1) defines a first arc-shaped groove (101), the inner sidewall of the first arc-shaped groove (101) is slidably connected to the control rod (3) through the first sliding ball (2), and the outer sidewall of the control rod (3) defines a second arc-shaped groove (301).
3. The sample extraction device for preparing stem cells, according to claim 1, wherein a first circular groove (302) is formed at one side of the bottom of the control rod (3), the first sliding ball (2) is movably embedded in the first circular groove (302), a first spring (3021) is installed in the first circular groove (302), and one end of the first spring (3021) is connected to the first sliding ball (2).
4. The sample extraction device for preparing stem cells, according to claim 1, wherein a first annular groove (102) is formed in an upper side wall of the sampling cartridge (1), a first annular sliding groove (1021) is formed in an outer side wall of the first annular groove (102), the arc-shaped plate (4) is in penetrating connection with the inside of the first annular groove (102), two second circular grooves (401) are formed in the arc-shaped plate (4), a second spring (4011) is installed inside the second circular groove (401), a sliding rod (4012) is connected to one end of the second spring (4011), and the sliding rod (4012) is in sliding connection with an inner cavity of the first annular sliding groove (1021).
5. The sample extraction device for preparing stem cells, according to claim 2, wherein the first arc-shaped groove (101) and the second arc-shaped groove (301) are arranged in a spiral structure, the sealing cover (6) is screwed on the lower side wall of the sampling cylinder (1), the bottom end of the sealing cover (6) is connected with the sampling head (601), and the outer wall of the rotating ring (5) is provided with a marking opening (501).
6. The sample extraction device for preparing stem cells, according to claim 1, wherein a plurality of anti-slip grooves (502) are formed on an outer side wall of the rotating ring (5), the anti-slip grooves (502) are arranged at equal intervals, a second sliding ball (7) is connected to an inner side wall of the rotating ring (5), and the second sliding ball (7) is slidably connected with an inner cavity of the second arc-shaped groove (301).
7. The sample extraction device for preparing stem cells, according to claim 1, wherein two rectangular openings (901) are formed in an outer side wall of the disc (9), a plurality of third springs (902) are installed inside the two rectangular openings (901), one end of each third spring (902) is connected with a sliding block (903), a third circular groove (1001) is formed in the top of the sampling block (10), a second annular sliding groove (1002) is formed in an inner side wall of the third circular groove (1001), and the sliding block (903) is rotatably connected with an inner cavity of the second annular sliding groove (1002).
8. The sample extraction device for preparing stem cells, according to claim 1, wherein a sealing strip (11) is bonded to the outer side wall of the sample block (10).
9. The sample extraction device for preparing stem cells, according to claim 1, wherein the bottom of the outer side wall of the sampling cartridge (1) is provided with a second annular groove (103), the top end and the bottom end of the inner wall of the second annular groove (103) are provided with a plurality of limiting grooves (1031), and the first arc-shaped support plate (12) and the second arc-shaped support plate (13) are movably clamped inside the second annular groove (103).
10. The extraction device for preparing the sample for stem cells, according to claim 1, wherein the top and the bottom of the first arc-shaped support plate (12) and the second arc-shaped support plate (13) are respectively provided with a fourth circular groove (14), a fourth spring (1401) is installed inside the fourth circular groove (14), one end of the fourth spring (1401) is connected with a limiting ball (1402), the limiting ball (1402) is clamped with the limiting groove (1031), one end of the first arc-shaped support plate (12) is arranged in a concave structure, one end of the second arc-shaped support plate (13) is arranged in a convex structure, and one end of the first arc-shaped support plate (12) is rotatably connected with one end of the second arc-shaped support plate (13) through a connecting rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223215032.2U CN218755750U (en) | 2022-12-01 | 2022-12-01 | Sample extraction element for preparation stem cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223215032.2U CN218755750U (en) | 2022-12-01 | 2022-12-01 | Sample extraction element for preparation stem cell |
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| Publication Number | Publication Date |
|---|---|
| CN218755750U true CN218755750U (en) | 2023-03-28 |
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| CN202223215032.2U Active CN218755750U (en) | 2022-12-01 | 2022-12-01 | Sample extraction element for preparation stem cell |
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| CN (1) | CN218755750U (en) |
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- 2022-12-01 CN CN202223215032.2U patent/CN218755750U/en active Active
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