CN213525504U - External insemination work box - Google Patents
External insemination work box Download PDFInfo
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- CN213525504U CN213525504U CN202021467163.8U CN202021467163U CN213525504U CN 213525504 U CN213525504 U CN 213525504U CN 202021467163 U CN202021467163 U CN 202021467163U CN 213525504 U CN213525504 U CN 213525504U
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Abstract
The utility model discloses an in vitro insemination work box, which comprises a constant temperature work table with a constant temperature work table surface, wherein a water storage disc is arranged in the inner cavity of the constant temperature work table; the transparent heat-insulating cover is positioned on the constant-temperature working table surface; the sealed quilt on the constant-temperature working table is covered in the transparent heat-insulating cover; a channel opening A communicated with the inner cavity of the transparent heat-insulating cover is arranged on the front surface of the transparent heat-insulating cover, two operation openings A communicated with the inner cavity of the transparent heat-insulating cover are arranged on a panel of the channel opening A, and an elastic sealing element is arranged in the inner cavity of the operation opening A; a channel opening B communicated with the inner cavity of the transparent heat-insulating cover is arranged on the back surface of the transparent heat-insulating cover; a display is embedded on the constant temperature working tableA micromirror light source; a microscope is arranged above the constant-temperature working table. The in vitro Insemination (IVF) work box of the utility model can control the temperature and CO in the work cavity2The concentration is stable, and various embryo operations such as egg picking, insemination, egg stripping, embryo transfer, embryo transplantation and the like can be performed.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a work box for In Vitro Fertilization (IVF).
Background
In the in vitro fertilization-embryo transfer (IVF-ET), the in vitro operation of the embryo comprises egg picking, insemination, egg stripping, embryo transfer and the like, and the in vitro operation of the embryo is currently performed by some laboratories of the reproductive medicine center under an anatomical microscope with a constant temperature table, but the constant temperature table has small area and is inconvenient to operate, and the temperature and CO of a working cavity are not protected by a protective cover2The concentration and the like are stably controlled. Some reproductive medicine center laboratories are on IVF workstations (super clean benches with thermostatted tabletop and microscope) that do not have protective cover for temperature and CO2The concentration is controlled and the air flow generated by the IVF workstation changes the temperature of the follicular fluid and the embryo culture fluid, which affects the embryo development and reduces the pregnancy rate of IVF. And the device also has the defect of inconvenient use.
SUMMERY OF THE UTILITY MODEL
The utility model provides an In Vitro Fertilization (IVF) work box with convenient use.
In order to solve the technical problem, the utility model provides an in vitro Insemination (IVF) work box, which comprises a constant temperature work table with a constant temperature work table surface, wherein a water storage disc is arranged in the inner cavity of the constant temperature work table; the constant temperature working table is provided with fence-shaped vent holes communicated with the water storage disc, and the temperature of the constant temperature working table is controlled by the temperature control/display panel; the in vitro insemination work box also comprises a transparent heat preservation cover positioned on the constant temperature work table surface; the sealed quilt on the constant-temperature working table is covered in the transparent heat-insulating cover;
a channel opening A communicated with the inner cavity of the transparent heat-insulating cover is arranged on the front surface of the transparent heat-insulating cover, and a channel opening A panel matched with the channel opening A is rotationally connected with the channel opening A; two operation ports A communicated with the inner cavity of the transparent heat-insulating cover are arranged on the panel of the channel port A, an operation port A panel which is matched with the operation ports A and is rotationally connected with the operation ports A is arranged on each operation port A, an elastic sealing element is arranged in the inner cavity of each operation port A, the elastic sealing element is annular, the outer ring of the elastic sealing element is hermetically connected with the operation port A, and the inner ring of the elastic sealing element is a spring element;
a channel opening B communicated with the inner cavity of the transparent heat-insulating cover is arranged on the back surface of the transparent heat-insulating cover, and a channel opening B panel matched with the channel opening B is rotatably connected with the channel opening B;
a microscope light source is embedded on the constant-temperature working table; the microscope is arranged above the constant-temperature working table surface, an objective lens of the microscope is positioned right above a light source of the microscope, a microscope eyepiece through hole is formed in the top of the transparent heat-preservation cover, and an eyepiece of the microscope penetrates through the microscope eyepiece through hole in a sealing mode and then is exposed out of the transparent heat-preservation cover.
As the improvement of the external insemination work box of the utility model: an operation opening B communicated with the inner cavity of the transparent heat-insulating cover is arranged on the panel of the passage opening B, and the panel of the operation opening B matched with the operation opening B is rotatably connected with the operation opening B.
As a further improvement of the external insemination work box of the utility model: an inverted U-shaped microscope support frame is arranged above the constant temperature working table, and the microscope is arranged on a crosspiece of the inverted U-shaped microscope support frame.
As a further improvement of the external insemination work box of the utility model: respectively placing a metal heat-conducting test tube rack and a pasteur tube rack on a constant-temperature working table; and the metal heat-conducting test tube rack and the Pasteur tube rack are connected with the constant-temperature working table in a sliding manner.
As a further improvement of the external insemination work box of the utility model: and a water filling port and an air vent capable of adjusting the opening degree are arranged on the side wall of the constant temperature workbench, and the water filling port and the air vent are both communicated with the water storage disc.
As a further improvement of the external insemination work box of the utility model: a medical waste window with an opening and closing panel is arranged on the constant-temperature working table, and a medical waste collecting box is arranged right below the medical waste window.
As a further improvement of the external insemination work box of the utility model: a microscope control/display panel and a gas control/display panel are respectively arranged on the constant temperature workbench;
a thermometer connected with a temperature control/display panel and CO connected with a gas control/display panel are respectively arranged in the inner cavity of the transparent heat-insulating cover2A concentration detector;
the microscope control/display panel is in signal communication with the microscope and the gas control/display panel is in signal communication with the vent.
The utility model provides a microscope, temperature control display panel, gas control display panel, microscope control display panel are mature technique or product, can obtain through the market mode of purchasing easily.
The utility model has the following technical advantages:
1. the transparent heat-insulating cover of the IVF work box enables the constant-temperature working table to form an independent closed space, namely a working chamber, and in the working chamber, the temperature and the CO are in2The concentration can be stably controlled.
2. This IVF work box can carry out effective control to temperature, carbon dioxide concentration respectively, and temperature and carbon dioxide concentration data can show in real time, the control of being convenient for.
3. Utilize the microscope support frame installation microscope of the type of falling U to make and do not have the shelves between microscope and the constant temperature table surface, make things convenient for the transfer of transplantation pipe in the working chamber, touchhed microscopical support frame when having prevented that the transplantation pipe from removing, transmitting.
4. The upper half parts of the front surface and the back surface of the transparent heat-insulating cover are connected with the top of the transparent heat-insulating cover in an inner inclined plane mode, so that a worker can conveniently observe the constant-temperature working table.
5. An elastic sealing element is arranged in the inner cavity of the operation opening A, and when the operation opening A is not used, annular spring elements at the inner ring of the elastic sealing element are condensed into a point shape, so that the operation opening A is sealed;
when laboratory personnel operated through operation mouthful A, the annular spring part was strutted, and laboratory personnel's arm is hugged closely to the annular spring part this moment, consequently still enables operation mouthful A and realizes sealedly.
Therefore, the temperature, humidity and CO in the working chamber can be effectively prevented2The concentration decreases.
6. Through the medical waste window, the medical waste generated in the working process is directly discarded into the medical waste collecting box, so that the pollution of the medical waste to the working environment is prevented.
To sum up, the in vitro Insemination (IVF) working box of the utility model can control the temperature and CO in the working cavity2The concentration is stable, various embryo operations such as egg picking, insemination, egg stripping, embryo transfer, embryo transplantation and the like can be performed, the working efficiency and safety of a laboratory are improved, and the success rate of test tube infants in the center of reproductive medicine is improved.
Drawings
The following describes the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an In Vitro Fertilization (IVF) work box of the present invention;
fig. 2 is a schematic view of the annular spring member 212 of fig. 1 in an expanded state.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
A temperature regulating device is arranged in the constant temperature working table 11, which is the conventional technology.
The upper half part of the front surface of the transparent heat-insulating cover 2 is connected with the top of the transparent heat-insulating cover 2 in an inner inclined plane mode, and the upper half part of the back surface of the transparent heat-insulating cover 2 is also connected with the top of the transparent heat-insulating cover 2 in an inner inclined plane mode, so that a worker can conveniently observe the constant-temperature working table surface 11 through the transparent heat-insulating cover 2; therefore, the top of the transparent heat-retaining cover 2 is smaller than the bottom opening of the transparent heat-retaining cover 2. The bottom of the constant temperature workbench 1 is provided with a movable pulley, thereby being convenient for moving the whole in vitro Insemination (IVF) work box.
The front surface of the transparent heat-insulating cover 2 is provided with a channel port A21 communicated with the inner cavity of the transparent heat-insulating cover 2; the port A panel matched with the port A21 is rotatably connected with the port A21; two operation ports A211 are respectively arranged on the panel of the passage port A, and the structure of each operation port A211 is as follows: the operation opening A211 is communicated with the inner cavity (namely a working cavity) of the transparent heat-insulating cover 2, an operation opening A panel which is matched with the operation opening A211 is arranged at the operation opening A211 and is rotationally connected with the operation opening A211, an elastic sealing element 212 is arranged in the inner cavity of the operation opening A211, the elastic sealing element 212 is annular, the outer ring is hermetically connected with the operation opening A211, and an annular spring element is arranged at the inner ring; when not in use, the annular spring part at the inner ring of the elastic sealing element 212 is condensed into a point shape, so that the operation opening A211 is sealed; when the laboratory staff operates through the operation opening A211, the annular spring part 212 is tightly attached to the arm of the laboratory staff, so that the operation opening A can still be basically sealed. Therefore, the relative stability of the temperature, the humidity and the gas concentration in the working cavity can be effectively ensured.
A channel port B22 communicated with the inner cavity of the transparent heat-preservation cover 2 is arranged on the back of the transparent heat-preservation cover 2, and a channel port B panel inosculated with the channel port B22 is rotationally connected with a channel port B22; an operation opening B221 communicated with the inner cavity of the transparent heat-preservation cover 2 is arranged on the panel of the passage opening B, and the panel of the operation opening B matched with the operation opening B221 is rotatably connected with the operation opening B221. The operating room staff transfers the follicular fluid obtained in the ovum taking process into the working cavity through the operation port B221.
The inner cavity of the constant temperature workbench 1 is provided with a water storage disc 19, and the constant temperature workbench surface 11 is provided with a fence-shaped vent hole 18 communicated with the water storage disc 19. The side wall of the constant temperature workbench 1 is provided with a water filling port 17 and an air vent 16 with adjustable opening degree, which are both communicated with a water storage disc 19. Water is added to the water storage disc 19 through the water adding port 17; the air vent 16 is used for introducing carbon dioxide gas, the carbon dioxide gas passes through a water layer in the water storage disc 19 and then enters the working cavity of the constant-temperature working table 1 through the fence-shaped air vent 18, and simultaneously, water vapor in the water storage disc 19 is brought into the working cavity together.
A microscope light source 14 is embedded on the constant temperature working table surface 11; an inverted U-shaped microscope support frame 23 is arranged above the constant temperature working table 11, and the microscope 24 is hung on a crosspiece of the microscope support frame 23, so that no partition is arranged between the microscope 24 and the constant temperature working table 11; microscope 24's objective is located microscope light source 14 directly over, sets up microscope eyepiece through-hole 25 at the top of transparent heat preservation cover 2, and what microscope 24's eyepiece was sealed passes behind microscope eyepiece through-hole 25 exposes outside transparent heat preservation cover 2 to the staff of being convenient for utilizes microscope 24 to observe.
Two metal heat-conducting test tube racks 12 and a pasteur tube rack 13 are respectively arranged on the constant-temperature working table surface 11; the metal heat-conducting test tube rack 12 and the pasteur tube rack 13 are both connected with the constant-temperature working table 11 in a sliding mode (can be realized by means of sliding rails). The metal heat-conducting tube rack 12 is used for holding test tubes (e.g., test tubes containing follicular fluid), and the pasteur tube rack 13 is used for holding pasteur tubes. The metal heat conduction test tube rack 12 and the pasteur tube rack 13 can move relative to the constant temperature working table surface 11, and corresponding test tubes and pasteur tubes can be conveniently taken by workers.
A medical waste window 15 with an opening and closing panel is arranged on the constant temperature working table 11, and a medical waste collecting box 3 is arranged right below the medical waste window 15. The opening and closing panel of the medical waste window 15 can be controlled by the pedal 151, so that the medical waste in the working chamber is removed and discarded into the medical waste collecting box 3. The opening and closing panel of the medical waste window 15 is in a closed state at ordinary times and is opened only when medical waste needs to be discarded, so that the relative stability of the temperature, the humidity and the gas concentration in the working cavity can be effectively guaranteed.
The thermostatic worktable 1 is provided with a microscope control/display panel 26, a temperature control/display panel 27 and a gas control/display surfaceA plate 28; a thermometer connected with a temperature control/display panel 27 and a CO connected with a gas control/display panel 28 in signal are respectively arranged in the working chamber2A concentration detector; the microscope control/display panel 26 is in signal connection with the microscope 24, and the microscope control/display panel 26 is used for adjusting the switch and the brightness of the microscope 24 and displaying corresponding information; the temperature control/display panel 27 is in signal connection with a temperature adjusting device in the constant temperature workbench surface 11 and is used for controlling the temperature of the constant temperature workbench surface 11 so as to adjust the temperature in the workbench cavity; the temperature control/display panel 27 displays corresponding information about the temperature; the gas control/display panel 28 is in signal connection with the vent 16, so that the opening and closing degree of the vent 16 is controlled, and the stability of the concentration of carbon dioxide in the working chamber is realized; gas control/display panel 28 displays information about CO2The corresponding information of the concentration. CO 22When passing through the water storage disc 19, the water vapor is brought into the working cavity, thereby playing the role of maintaining the humidity in the working cavity. Of course, if the humidity in the working chamber can be further effectively controlled, a humidity adjusting device (which is a conventional technology) can be additionally arranged in the working chamber correspondingly. The above-mentioned signal control method is conventional in the art, and therefore, will not be described in detail herein.
The utility model discloses a method of use specifically as follows:
1. before the operation starts, a laboratory worker A firstly adjusts the temperature of the constant-temperature working table top 11 through the temperature control/display panel 27, so that the temperature in the working cavity is 37.0 ℃; the vent 16 is controlled by the gas control/display panel 28 to adjust the carbon dioxide gas concentration in the working chamber to 6.0%. The humidity can be adjusted according to actual needs.
Meanwhile, the metal heat-conducting test tube rack 12 and the pasteur tube rack 13 are also preheated; the temperature of the follicular fluid and pasteur tubing may be maintained when the test tube containing follicular fluid is placed on the metal heat conducting tube rack 12, or when pasteur tubing is placed on the pasteur tube rack 13, so that the ovum-corona-cumulus complex is always at 37 ℃.
2. The method is used for carrying out various embryo operations such as egg picking, insemination, egg stripping, embryo transfer, embryo transplantation and the like, and comprises the following steps:
laboratory staff A located IVF work box front (i.e. transparent heat preservation cover 2 front), one-hand operation opens access A panel, puts into instruments such as various ovum consumptive materials and culture dish through access A21 to the working chamber, then closes access A panel along with the hand.
2.1, picking up eggs:
operating room staff B located the IVF work box back (i.e. transparent heat preservation cover 2 back), the one-hand operation opens access hole B panel, passes into the working chamber through access hole B22 with the test tube that is equipped with the follicular fluid to place on metal heat conduction test-tube rack 12, then close access hole B panel along with the hand.
Open operation mouthful A panel, laboratory staff A's both hands get into the working chamber through elastic sealing member 212 on an operation mouthful A211 respectively, carry out corresponding ovum work of picking up immediately (conventional technique), specifically are: the follicular fluid in the tube is poured into a pre-heated dish of 100mm diameter, and laboratory staff A quickly looks for ovum-radiocorona-cumulus complexes (COCs) using microscope 24, aspirates the COCs using a Pasteur tube placed on a Pasteur tube rack 13, washes the found COCs with embryo handling fluid, and transfers them to a four-well plate containing a fertilization medium. The laboratory worker A withdraws from the operation port A211 with two hands, then closes the panel of the operation port A with hands, opens the panel of the passage port A with one hand, transfers the four-hole plate filled with the COCs out of the working cavity through the passage port A21, puts the four-hole plate into an external carbon dioxide incubator for culturing for 2 to 6 hours, and then closes the panel of the passage port A with hands. The laboratory worker a opens the medical waste window 15 by stepping on the pedal 151, and removes the medical waste (medical waste) generated in the working chamber due to the above operation through the medical waste window 15 into the medical waste collecting tank 3.
2.2 insemination:
open entrance A panel, laboratory staff A will be hatched four orifice plates that are equipped with COCs and the test tube that is equipped with corresponding seminal fluid pass through entrance A21 and pass into both into the working chamber after with both, and four orifice plates are placed on constant temperature table surface 11, and the test tube is placed on metal heat conduction test-tube rack 12, then closes entrance A panel at will.
The panel of the operation opening A is opened, and both hands of a laboratory worker A respectively enter the working cavity through the elastic sealing element 212 on the operation opening A211 to perform corresponding insemination work (conventional technology), specifically: using a pasteur tube placed on a pasteur tube rack 13 to draw a volume of sperm suspension from a test tube containing semen, adding to a four-well plate containing COCs to give a final concentration of 50-100X 103and/mL. The two hands of the laboratory worker A withdraw from the operation port A211, then the panel of the operation port A is closed along with the hands, then the panel of the passage port A is opened through the single-hand operation, and the four-hole plate filled with COCs after insemination is transferred to a carbon dioxide incubator through the passage port A21 to be cultured for 16 to 18 hours; then the access port a panel is closed at hand.
2.3, egg stripping:
opening the panel of the passage port A, delivering the four-hole plate inseminated for 16-18 hours into the working cavity through the passage port A21 by a laboratory worker A, and then closing the panel of the passage port A;
the panel of the operation port A is opened, the two hands of the laboratory worker A respectively enter the working cavity through the elastic sealing element 212 on the operation port A211, and corresponding egg stripping work (conventional technology) is carried out under the microscope 24, so that a culture dish containing the eggs is obtained. And (3) withdrawing the two hands of the laboratory worker A out of the operation port A211, closing the panel of the operation port A along with the two hands, opening the panel of the passage port A through one-hand operation, taking out the culture dish containing the ovum through the passage port A21, observing the fertilization condition, and putting the culture dish into a carbon dioxide incubator for culture.
2.4 embryo transfer:
when embryos are to be cultured for blastocysts or prior to transfer, the embryos are transferred to petri dishes containing microdroplets of G-2PLUS culture fluid or to four-well plates containing embryo transfer fluid.
The port a panel was opened and laboratory worker a delivered the petri dish/four-well plate into the working chamber through port a21 and then closed port a panel at hand.
Opening the panel of the operation port A, enabling the two hands of the laboratory worker A to respectively enter the working cavity through the elastic sealing element 212 on the operation port A211, and carrying out corresponding embryo transfer work on the microscope 24; petri dishes/four-well plates containing embryos were obtained. The laboratory worker A withdraws from the operation port A211 with both hands, then closes the panel of the operation port A with hands, opens the panel of the passage port A with one-hand operation, takes out the culture dish/four-hole plate containing the embryo through the passage port A21, and puts the culture dish/four-hole plate into a carbon dioxide incubator for culture (standby).
2.5 embryo transfer
The panel of the passage port A is opened, the laboratory worker A transfers the culture dish/four-hole plate after the embryo incubation culture into the working cavity through the operation port A211, and then the panel of the passage port A is closed at will.
The panel of the operation port A is opened, and the hands of the laboratory worker A enter the working cavity through the elastic sealing element 212 on the operation port A211 respectively, and corresponding embryo transfer work is carried out under the microscope 24.
After the embryo transfer is completed, an operating room worker B positioned at the back of the IVF working box (namely, the back of the transparent heat-insulating cover 2) opens the panel of the access port B by one-hand operation, moves the embryo transfer tube filled with the embryo out of the working cavity through the access port B22 and transfers the embryo transfer tube to a transfer surgeon for corresponding transfer operation.
Of course, if the volume of the embryo transfer tube is small, the operating room worker B can also move the embryo transfer tube with the embryo out of the working cavity through the operation port B221.
Finally, it is also noted that the above-mentioned list is only a few specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (7)
1. An in vitro insemination work box comprises a constant temperature work table (1) with a constant temperature work table surface (11), wherein a water storage disc (19) is arranged in an inner cavity of the constant temperature work table (1); a fence-shaped vent hole (18) communicated with the water storage disc (19) is arranged on the constant-temperature working table (11), and the temperature of the constant-temperature working table (11) is controlled by a temperature control/display panel (27); the method is characterized in that: the heat-preservation device also comprises a transparent heat-preservation cover (2) positioned on the constant-temperature working table top (11); the constant temperature working table top (11) is sealed and is covered in the transparent heat preservation cover (2);
a channel port A (21) communicated with the inner cavity of the transparent heat-insulating cover (2) is arranged on the front surface of the transparent heat-insulating cover (2), and a channel port A panel matched with the channel port A (21) is rotationally connected with the channel port A (21); two operation ports A (211) communicated with the inner cavity of the transparent heat-insulating cover (2) are arranged on the panel of the channel port A, an operation port A panel which is matched with the operation ports A (211) and is rotationally connected with the operation ports A is arranged on each operation port A (211), an elastic sealing element (212) is arranged in the inner cavity of each operation port A (211), the elastic sealing element (212) is annular, the outer ring of the elastic sealing element (212) is hermetically connected with the operation port A (211), and the inner ring of the elastic sealing element (212) is a spring element;
a channel opening B (22) communicated with the inner cavity of the transparent heat-insulating cover (2) is arranged on the back of the transparent heat-insulating cover (2), and a channel opening B panel matched with the channel opening B (22) is rotationally connected with the channel opening B (22);
a microscope light source (14) is embedded on the constant temperature working table surface (11); a microscope (24) is arranged above the constant-temperature working table top (11), an objective lens of the microscope (24) is positioned right above a microscope light source (14), a microscope eyepiece through hole (25) is arranged at the top of the transparent heat-preservation cover (2), and an eyepiece of the microscope (24) penetrates through the microscope eyepiece through hole (25) in a sealing mode and then is exposed outside the transparent heat-preservation cover (2).
2. An in vitro insemination kit as described in claim 1, wherein: an operation port B (221) communicated with the inner cavity of the transparent heat-preservation cover (2) is arranged on the channel port B panel, and the operation port B panel matched with the operation port B (221) is rotationally connected with the operation port B (221).
3. An in vitro insemination kit as described in claims 1 or 2, characterized by: an inverted U-shaped microscope support frame (23) is arranged above the constant temperature working table surface (11), and a microscope (24) is arranged on a crosspiece of the inverted U-shaped microscope support frame (23).
4. An in vitro insemination kit as described in claim 3, wherein: a metal heat-conducting test tube rack (12) and a Pasteur tube rack (13) are respectively arranged on the constant-temperature working table top (11); the metal heat-conducting test tube rack (12) and the Pasteur tube rack (13) are connected with the constant-temperature working table top (11) in a sliding manner.
5. An in vitro insemination kit as described in claim 4, wherein: the side wall of the constant temperature workbench (1) is provided with a water filling port (17) communicated with the water storage disc (19) and an air vent (16) capable of adjusting the opening degree.
6. An in vitro insemination work chamber according to claim 5, characterized in that a medical waste window (15) with an opening and closing panel is arranged on the constant temperature work table (11), and a medical waste collection box (3) is arranged right below the medical waste window (15).
7. An in vitro insemination work cassette as described in claim 6, characterized by:
a microscope control/display panel (26) and a gas control/display panel (28) are respectively arranged on the constant temperature workbench (1);
a thermometer connected with a temperature control/display panel (27) and CO connected with a gas control/display panel (28) through signals are respectively arranged in the inner cavity of the transparent heat-insulating cover (2)2A concentration detector;
a microscope control/display panel (26) is signally connected to the microscope (24), and a gas control/display panel (28) is signally connected to the vent (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021467163.8U CN213525504U (en) | 2020-07-23 | 2020-07-23 | External insemination work box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021467163.8U CN213525504U (en) | 2020-07-23 | 2020-07-23 | External insemination work box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213525504U true CN213525504U (en) | 2021-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021467163.8U Active CN213525504U (en) | 2020-07-23 | 2020-07-23 | External insemination work box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213525504U (en) |
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2020
- 2020-07-23 CN CN202021467163.8U patent/CN213525504U/en active Active
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