Multifunctional sampling device for stem cells

Abstract

The utility model provides a multifunctional sampling device for stem cells, and relates to the technical field of cell sampling. The multifunctional stem cell sampling device comprises an operation pen, a sampling needle is slidably connected in the operation pen, the upper end of the sampling needle is connected with a collecting tube, the outer end of the sampling needle is connected with a connecting plate, a sliding groove is formed in the operation pen, a range finder is arranged in the connecting plate, and an electric telescopic push rod is connected in the operation pen. According to the multifunctional sampling device for the stem cells, an electric telescopic push rod is arranged, the electric telescopic push rod is started to push a sampling needle to move, so that the sampling needle is inserted into a sampling point, and a range finder is arranged to detect the extension length of the sampling needle, so that the insertion depth of the sampling needle can be conveniently and accurately controlled; compared with manual operation, the stem cell sampling device is high in precision and easy to operate, the sampling efficiency is improved, and meanwhile, the accuracy and reliability of stem cell sampling are improved.

Description

Technical Field

[0001] This utility model relates to a stem cell sampling device, specifically a multifunctional stem cell sampling device, belonging to the field of cell sampling technology. Background Technology

[0002] Stem cells are a type of primitive undifferentiated cells with self-replication ability and multi-directional differentiation potential. They can produce at least one highly differentiated daughter cell. Stem cells have a wide range of applications, including but not limited to the following: disease treatment, tissue regeneration, and anti-aging. When extracting stem cells, a stem cell sampling device is required.

[0003] For stem cell sampling, different stem cells are located at different depths. To extract different stem cells, the sampling needle needs to be inserted at different depths. However, traditional stem cell sampling devices mainly involve manual insertion of the sampling needle. Different operators may have significant differences in their judgment of different depths, which may result in the sampling needle being inserted too deep or too shallow. It is difficult to accurately control the depth of the sampling needle insertion, resulting in low insertion accuracy. In addition, manual operation increases the workload of operators, and working for a long time will affect the sampling efficiency.

[0004] To address these issues, we provide a multifunctional stem cell sampling device. Utility Model Content

[0005] To address the aforementioned problems, this utility model provides a multifunctional stem cell sampling device, the specific technical solution of which is as follows:

[0006] A multifunctional stem cell sampling device includes an operating pen, a sampling needle slidably connected inside the operating pen, a collection tube connected to the upper end of the sampling needle, a connecting plate connected to the outer end of the sampling needle, a sliding groove inside the operating pen, a rangefinder inside the connecting plate, an electric telescopic push rod connected inside the operating pen, a contact plate connected to the lower end of the operating pen, a collection tube connected to the upper end of the collection tube, a sampling bottle attached to the side end of the collection tube, a placement box attached to the outer end of the sampling bottle, and a miniature vacuum pump inside the placement box.

[0007] Preferably, the outer shell of the operating pen is made of antistatic sterile medical plastic, and the sampling needle and collection tube are made of special medical-grade alloy material, which has the characteristics of being thin and tough.

[0008] Preferably, the lower end of the sampling needle is connected to a needle tip, the lower end of the needle tip is set with a beveled opening, the inner walls of the sampling needle and the collection tube are coated with a special stem cell protective coating, and the collection tube is slidably connected inside the operating pen.

[0009] Preferably, the connecting plate is slidingly connected in the sliding groove, the electric telescopic push rod driving end is located in the sliding groove, the electric telescopic push rod driving end is connected with the connecting plate, and the outer end of the abutting plate is wrapped with a cotton pad, and an anti-skid groove is formed in the lower end surface of the abutting plate.

[0010] Preferably, the collecting hose is made of special biocompatible material, the upper end of the sampling bottle is provided with a sealing cover, the collecting hose is connected in the sealing cover, the placing box is provided with a temperature adjusting device, and the side end extraction pipe of the micro vacuum pump is connected in the sealing cover.

[0011] Preferably, the operation pen is provided with an ultraviolet disinfection lamp, the ultraviolet disinfection lamp is located at the outer end of the sliding groove, the outer end of the operation pen is provided with a control panel, and the control panel comprises a display screen and a control button.

[0012] Preferably, the operation pen is provided with a connecting groove, a sealing block is slidingly connected in the connecting groove, the sealing block is located at the lower end of the sliding groove, the upper end of the sealing block is provided as an inclined surface, a spring is connected in the connecting groove, and the side end of the spring is connected with the sealing block.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The multifunctional stem cell sampling device is provided with an electric telescopic push rod, the electric telescopic push rod is started, the connecting plate is moved in the sliding groove, the sampling needle is moved, the sampling needle is inserted into the sampling point, the distance measuring device can detect the extension length of the sampling needle, the insertion depth of the sampling needle can be obtained, the insertion depth of the sampling needle can be conveniently and accurately controlled, the sampling needle can be accurately arrived at the sampling point, compared with manual operation, the precision is high, the operation is simple, the sampling efficiency is improved, and the stem cell sampling accuracy and reliability are improved.

[0015] 2. The multifunctional stem cell sampling device is provided with a sealing block, when the sampling needle is not used in the operation pen, the hole in the lower end of the operation pen is closed under the pushing force of the spring, dust and bacteria in the external air are prevented from entering the operation pen, pollution to the sampling needle is avoided, the ultraviolet disinfection lamp is provided, the ultraviolet disinfection function can be started through the operation panel before and after each use of the sampling needle, the sampling needle is comprehensively disinfected, cross contamination is prevented, and the purity of sampling is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a sampling bottle structure schematic view of the utility model;

[0018] Figure 3 It is the cross section structure schematic view of the operation pen of the utility model;

[0019] Figure 4 It is the cross section structure schematic view of the operation pen of the utility model; Figure 3 It is the area A schematic view;

[0020] Figure 5 It is the sampling needle structure schematic view of the utility model;

[0021] Figure 6 It is the cross section schematic view of the operation pen of the utility model when sampling needle extends.

[0022] BRIEF DESCRIPTION OF DRAWINGS: 1, operation pen;2, sampling needle;201, needle;3, collection pipe;4, connecting plate;5, sliding groove;6, range finder;7, electric telescopic push rod;8, abutting plate;9, collection hose;10, sampling bottle;11, placing box;12, miniature vacuum pump;13, sealing cover;14, temperature adjusting device;15, ultraviolet disinfection lamp;16, control panel;17, connecting groove;18, sealing block;19, spring. DETAILED DESCRIPTION

[0023] The utility model will be further described in connection with the drawings.

[0024] Please refer to Figure 1 — Figure 6 , including operation pen 1, the shell of operation pen 1 is made of antistatic sterile medical plastics, so as to ensure that its material itself cannot cause the influence of sampling, operation pen 1 is slidably connected with sampling needle 2, sampling needle 2 upper end is connected with collection pipe 3, sampling needle 2, collection pipe 3 are made of special medical grade alloy material, have the characteristics of fine and tough, sampling needle 2 lower end is connected with needle 201, needle 201 lower end is provided as bevel edge mouth, so as to conveniently penetrate the human skin, the inner wall of sampling needle 2, collection pipe 3 is all coated with special stem cell protective coating, the coating can prevent stem cell from adhering on the pipe wall, and can keep the activity of stem cell simultaneously, collection pipe 3 is slidably connected in operation pen 1.

[0025] Sampling needle 2 outer end is connected with connecting plate 4, sliding groove 5 is set up in operation pen 1, connecting plate 4 is slidably connected in sliding groove 5, range finder 6 is set up in connecting plate 4, operation pen 1 is connected with electric telescopic push rod 7, the driving end of electric telescopic push rod 7 is located in sliding groove 5, the driving end of electric telescopic push rod 7 is connected with connecting plate 4, so as to move connecting plate 4 by electric telescopic push rod 7, so as to drive sampling needle 2 to move.

[0026] The operation pen 1 is provided with a connecting groove 17, and a sealing block 18 is slidably connected in the connecting groove 17. The sealing block 18 is located at the lower end of the sliding groove 5, and the upper end of the sealing block 18 is provided with an inclined surface. A spring 19 is connected in the connecting groove 17, and the side end of the spring 19 is connected with the sealing block 18. When the sampling needle 2 does not exert pressure on the sealing block 18, the sealing block 18 can block the hole at the lower end of the operation pen 1 under the action of the spring 19, so as to avoid the pollution of the sampling needle 2 by external dust and bacteria. When the sampling needle 2 moves downward to exert pressure on the sealing block 18, the inclined surface of the needle head 201 acts on the inclined surface of the sealing block 18, so as to push the sealing block 18 and compress the spring 19, so that the sealing block 18 moves into the connecting groove 17, and the sampling needle 2 extends out of the operation pen 1.

[0027] The operation pen 1 is provided with an ultraviolet disinfection lamp 15 located at the outer end of the sliding groove 5. The ultraviolet disinfection lamp 15 can irradiate ultraviolet rays on the sampling needle 2 to disinfect and sterilize it. The outer end of the operation pen 1 is provided with a control panel 16 including a display screen and control buttons. The display screen is used to display the extension length of the sampling needle 2, and the control buttons are used to control the operation of the electric telescopic push rod 7 and start the ultraviolet disinfection lamp 15.

[0028] The lower end of the operation pen 1 is connected with a contact plate 8 which is in contact with the human skin. The outer end of the contact plate 8 is wrapped with a cotton pad, and the lower end surface of the contact plate 8 is provided with an anti-skid groove. The cotton pad can avoid causing discomfort to the human body, and the anti-skid groove can avoid the contact plate 8 from easily sliding on the human skin. The upper end of the collection tube 3 is connected with a collection hose 9 made of special biocompatible materials such as a composite material of polycarbonate and silicone rubber. The material can effectively prevent the adhesion and damage of stem cells during the collection process. The side end of the collection hose 9 is provided with a sampling bottle 10, and the upper end of the sampling bottle 10 is provided with a sealing cover 13 in which the collection hose 9 is connected. The outer end of the sampling bottle 10 is provided with a placing box 11 in which a temperature adjusting device 14 is arranged. The temperature adjusting device 14 can accurately control the storage temperature of the sample at 4℃, which is beneficial to maintaining the activity of stem cells and reducing the metabolic activity of stem cells during the sampling process. The placing box 11 is provided with a miniature vacuum pump 12, and the side end of the miniature vacuum pump 12 is connected with an extraction tube in the sealing cover 13. When the miniature vacuum pump 12 is started, it extracts the gas in the sampling bottle 10 to generate negative pressure in the sampling bottle 10, so as to generate a weak negative pressure in the collection hose 9, the collection tube 3 and the sampling needle 2. Under the action of the weak negative pressure, the stem cells are slowly sucked into the sampling needle 2, and then enter the sampling bottle 10 through the collection tube 3 and the collection hose 9.

[0029] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative efforts, and these embodiments will all fall within the protection scope of the claims of the present application.

Claims

1. A multifunctional sampling device for stem cells comprising an operating pen (1), characterized in that: The operation pen (1) is slidably connected with a sampling needle (2), the upper end of the sampling needle (2) is connected with a collection tube (3), the outer end of the sampling needle (2) is connected with a connecting plate (4), the operation pen (1) is provided with a sliding groove (5), the connecting plate (4) is provided with a range finder (6), the operation pen (1) is connected with an electric telescopic push rod (7), the lower end of the operation pen (1) is connected with a contact plate (8), the upper end of the collection tube (3) is connected with a collection hose (9), the side end of the collection hose (9) is provided with a sampling bottle (10), the outer end of the sampling bottle (10) is provided with a placing box (11), and the placing box (11) is provided with a miniature vacuum pump (12).

2. The multi-functional sampling device for stem cells according to claim 1, wherein: The shell of the operation pen (1) is made of anti-static sterile medical plastic, the sampling needle (2) and the collection tube (3) are made of special medical grade alloy material, which has the characteristics of being thin and tough.

3. The multi-functional stem cell sampling device of claim 1, wherein: The lower end of the sampling needle (2) is connected with a needle (201), the lower end of the needle (201) is provided as a beveled edge, the inner walls of the sampling needle (2) and the collection tube (3) are coated with a special stem cell protection coating, and the collection tube (3) is slidably connected in the operation pen (1).

4. The multi-functional stem cell sampling device of claim 1, wherein: The connecting plate (4) is slidably connected in the sliding groove (5), the driving end of the electric telescopic push rod (7) is located in the sliding groove (5), the driving end of the electric telescopic push rod (7) is connected with the connecting plate (4), and the outer end of the contact plate (8) is wrapped with a cotton pad, and the lower end surface is provided with an anti-skid groove.

5. The multi-functional stem cell sampling device of claim 1, wherein: The collection hose (9) is made of special biocompatible material, the sampling bottle (10) is provided with a sealing cover (13) at the upper end, the collection hose (9) is connected in the sealing cover (13), the placing box (11) is provided with a temperature adjusting device (14), and the side end of the miniature vacuum pump (12) is connected with a pipe in the sealing cover (13).

6. The multi-functional stem cell sampling device of claim 1, wherein: The operation pen (1) is provided with an ultraviolet disinfection lamp (15), the ultraviolet disinfection lamp (15) is located at the outer end of the sliding groove (5), the outer end of the operation pen (1) is provided with a control panel (16), and the control panel (16) includes a display screen and a control button.

7. The multi-functional stem cell sampling device of claim 1, wherein: The operation pen (1) is provided with a connecting groove (17), the connecting groove (17) is slidably connected with a sealing block (18), the sealing block (18) is located at the lower end of the sliding groove (5), the upper end of the sealing block (18) is provided as an inclined surface, the connecting groove (17) is connected with a spring (19), and the side end of the spring (19) is connected with the sealing block (18).

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