A stem cell injection anti-pollution device

Abstract

The utility model discloses a stem cell injection anti-pollution device, comprising a syringe, a culture dish bottom support, and a culture dish top cover, wherein a sterile rubber sleeve is arranged at one end of the syringe and outside one end of the syringe needle, a connecting groove ring is fixedly arranged on the side wall of the syringe, and the side wall of the connecting groove ring is provided with card slots at equal distances, a protective cover is arranged inside the connecting groove ring, and a movable cover of the protective cover is arranged on the outside of the sterile rubber sleeve, a plurality of card blocks which are connected to the card slot limit position engagement are arranged at equal distances on the side wall of the bottom end of the protective cover, a plurality of springs are arranged at equal distances on the inner bottom wall of the connecting groove ring, and a blocking piece is commonly connected to the top ends of the plurality of springs, and the arrangement of the structure can shield and protect the sterile rubber sleeve by a quickly detachable protective cover, thereby avoiding the rupture of the sterile rubber sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of stem cell injection, in particular to a stem cell injection anti-pollution device. Background Art

[0002] In the field of biological experiments, if stem cells need to be studied and observed, they need to be injected into a culture dish through a syringe before they can be studied. If you want to inject stem cells into a culture dish, you need to open the culture dish first, and then use a syringe to inject the stem cells into the culture dish. In order to prevent the stem cells from contacting with the air and causing the stem cells to be contaminated, a stem cell injection anti-contamination device is required;

[0003] For example, a stem cell injection anti-contamination device disclosed in the utility model with authorization announcement number CN219567935U includes a culture dish, an injection channel is provided on the side wall of the culture dish, the injection channel is located inside the culture dish, and a sterile diaphragm is provided at one end of the injection channel; a syringe, a sterile rubber sleeve is provided on the outer side of the needle of the syringe, the needle of the syringe can be inserted into the injection channel, and the needle of the syringe can pierce the sterile rubber sleeve and the sterile diaphragm at the same time. The device can directly inject the stem cells in the syringe into the culture dish to avoid contact between the stem cells and the air, thereby preventing the stem cells from being contaminated.

[0004] When the device is in use, the sterile rubber cover is always exposed on the outside. If the device is stored or taken out, if it is touched by sharp objects from the outside, the sterile rubber cover may easily rupture, thereby affecting the anti-contamination protection of the sterile rubber cover for the needle of the syringe, which may cause the needle of the syringe to be contaminated, thereby affecting the experimental effect of the device when conducting stem cell injection experiments. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a stem cell injection anti-contamination device, which can solve the technical problem that if the device is exposed to external sharp objects during storage or use, the sterile rubber cover may be easily broken, thereby affecting the anti-contamination protection of the sterile rubber cover for the needle of the syringe, which may cause the needle of the syringe to be contaminated, thereby affecting the experimental effect of the device when conducting stem cell injection experiments.

[0006] To solve the above technical problems, the utility model provides the following technical solutions: a stem cell injection anti-pollution device, comprising a syringe, a culture dish base, and a culture dish cover, a sterile rubber sleeve is arranged at one end of the syringe and outside one end of the syringe needle, a connecting groove ring is fixedly arranged on the side wall of the syringe, and card grooves are opened at equal distances on the side wall of the connecting groove ring, a protective cover is arranged inside the connecting groove ring, and the protective cover movable cover is arranged on the outside of the sterile rubber sleeve, a plurality of card blocks that are connected to the card groove limit position are arranged at equal distances on the side wall of the bottom end of the protective cover, a plurality of springs are arranged at equal distances on the inner bottom wall of the connecting groove ring, and a blocking piece is commonly connected to the tops of the plurality of springs.

[0007] As a preferred technical solution of the present utility model, the card slot is L-shaped as a whole.

[0008] As a preferred technical solution of the present utility model, the baffle is in a circular ring shape.

[0009] As a preferred technical solution of the utility model, a culture dish cover is arranged above the culture dish base, an injection channel is arranged on the side wall of the culture dish base, and a sterile diaphragm is arranged at one end of the injection channel and at the end located inside the culture dish base.

[0010] As a preferred technical solution of the utility model, the culture dish bottom support and the culture dish upper cover can be detachably connected.

[0011] As a preferred technical solution of the utility model, the material of the sterile rubber sleeve and the sterile diaphragm is rubber.

[0012] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0013] By adding a connecting groove ring and cooperating with the protective cover, protection can be achieved for the sterile rubber cover arranged at one end of the injection needle of the syringe. By cooperating with the clamping block and the clamping groove, quick installation and removal of the protective cover can be achieved. By cooperating with the spring and the baffle, the spring drives the baffle to move upward to squeeze the protective cover and the bottom end of the clamping block, thereby improving the stability of the protective cover fixation. The setting of this structure can shield and protect the sterile rubber cover through the quickly detachable protective cover, thereby avoiding the rupture of the sterile rubber cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cutaway three-dimensional structure of the syringe of the utility model;

[0016] Figure 3 This is a schematic diagram of a partially disassembled three-dimensional structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the culture dish base of the utility model;

[0018] Among them: 1. syringe; 2. sterile rubber sleeve; 3. connecting groove ring; 4. protective cover; 5. clamp block; 6. clamp slot; 7. spring; 8. baffle; 9. culture dish base; 10. culture dish cover; 11. injection channel; 12. sterile diaphragm. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] Example

[0021] Please refer to Figure 1-4 As shown, the utility model provides a stem cell injection anti-pollution device, wherein a sterile rubber sleeve 2 is arranged at one end of a syringe 1 and outside one end of a needle of the syringe 1, and then a connecting groove ring 3 is fixedly arranged on the side wall of the syringe 1, and then a card slot 6 is opened at an equal distance on the side wall of the connecting groove ring 3, and the card slot 6 is L-shaped as a whole, and a protective cover 4 is sleeved inside the connecting groove ring 3, and a movable cover of the protective cover 4 is arranged on the outside of the sterile rubber sleeve 2, and then a plurality of card blocks 5 that are limitedly engaged with the card slot 6 are arranged at an equal distance on the side wall of the bottom end of the protective cover 4, and then a plurality of springs 7 are arranged at an equal distance on the inner bottom wall of the connecting groove ring 3, and a circular baffle 8 is commonly connected to the top of the plurality of springs 7;

[0022] When installing and using, first insert the bottom end of the protective cover 4 into the connecting groove ring 3, and at the same time, a clamping block 5 is arranged on the side wall of the bottom end of the protective cover 4 and is aligned with the clamping groove 6, so that the bottom end of the protective cover 4 is tightly against the upper surface of the baffle 8 arranged in the connecting groove ring 3, then press down the protective cover 4, so that the clamping block 5 moves down along the clamping groove 6 to the bottom end of the clamping groove 6, and finally rotate the protective cover 4, so that the clamping block 5 rotates to the end of the L-shaped clamping groove 6, and at the same time, the protective cover 4 moves down to abut against the baffle 8, so that the baffle 8 moves down to squeeze the spring 7, and then the spring 7 generates elastic deformation and is tightly pressed against the protective cover 4 through the baffle 8, thereby improving the stability of the connection of the protective cover 4;

[0023] As a further implementation of this embodiment, Figure 1-4As shown, a detachably connected culture dish cover 10 is provided above the culture dish base 9, and a sterile stem cell culture space can be formed by covering the culture dish base 9 and the culture dish cover 10. Then, an injection channel 11 is provided on the side wall of the culture dish base 9, and then a sterile diaphragm 12 is provided at one end of the injection channel 11 and at one end located inside the culture dish base 9, and the material of the sterile diaphragm 12 is a soft rubber material;

[0024] Specific working principle:

[0025] When the device is used for stem cell injection and culture, the needle of the sterile rubber sleeve 2 needs to be inserted into the injection channel 11, and the sterile rubber sleeve 2 and the sterile diaphragm 12 are pierced in sequence, so that the needle end of the sterile rubber sleeve 2 is located in the culture dish bottom support 9 and the culture dish upper cover 10, and then the sterile rubber sleeve 2 is pushed to inject all the stem cells into the culture dish bottom support 9 and the culture dish upper cover 10 for stem cell culture. When protecting the sterile rubber sleeve 2 set at one end of the syringe 1, firstly, the bottom end of the protective cover 4 is inserted into the connecting groove ring 3, and at the same time, the side wall of the bottom end of the protective cover 4 is provided with a card block 5 aligned with the card groove 6, so that The bottom end of the protective cover 4 is tightly against the upper surface of the baffle 8 set in the connecting groove ring 3, and then the protective cover 4 is pressed down, so that the block 5 moves down along the slot 6 to the bottom end of the slot 6, and finally the protective cover 4 is rotated to make the block 5 rotate to the end of the L-shaped slot 6. At the same time, the protective cover 4 moves down to press against the baffle 8, so that the baffle 8 moves down to squeeze the spring 7, and then the spring 7 produces elastic deformation and presses against the protective cover 4 through the baffle 8, thereby improving the stability of the connection of the protective cover 4. The setting of this structure can shield and protect the sterile rubber sleeve 2 through the quickly detachable protective cover 4, thereby avoiding the rupture of the sterile rubber sleeve 2.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A stem cell injection anti-contamination device, comprising a syringe (1), a culture dish base (9), and a culture dish cover (10), characterized in that: A sterile rubber sleeve (2) is arranged at one end of the syringe (1) and outside the needle end of the syringe (1); a connecting groove ring (3) is fixedly arranged on the side wall of the syringe (1); the side wall of the connecting groove ring (3) is provided with card slots (6) at equal intervals; a protective cover (4) is sleeved inside the connecting groove ring (3); and a movable cover of the protective cover (4) is arranged outside the sterile rubber sleeve (2); a plurality of card blocks (5) are arranged at equal intervals on the side wall of the bottom end of the protective cover (4) and are connected to the card slots (6) in a limited manner; a plurality of springs (7) are arranged at equal intervals on the inner bottom wall of the connecting groove ring (3); and a blocking piece (8) is commonly connected to the top ends of the plurality of springs (7).

2. A stem cell injection anti-contamination device according to claim 1, characterized in that: The card slot (6) is L-shaped as a whole.

3. The stem cell injection anti-contamination device according to claim 1, characterized in that: The baffle (8) is in the shape of a circular ring.

4. The stem cell injection anti-contamination device according to claim 1, characterized in that: A culture dish cover (10) is arranged above the culture dish base (9), an injection channel (11) is arranged on the side wall of the culture dish base (9), and a sterile diaphragm (12) is arranged at one end of the injection channel (11) and at one end located inside the culture dish base (9).

5. The stem cell injection anti-contamination device according to claim 1, characterized in that: The culture dish bottom support (9) and the culture dish upper cover (10) are detachably connected.

6. The stem cell injection anti-contamination device according to claim 1, characterized in that: The material of the sterile rubber sleeve (2) and the sterile diaphragm (12) is rubber.

Images