Efficient extraction device for dental pulp stem cells

Abstract

The utility model discloses an efficient dental pulp stem cell extraction device which comprises a box body, a driving assembly is installed on the top of an upper supporting plate, a sliding assembly is installed on the top of a lower supporting plate, a positioning assembly is installed in the sliding assembly, and an extraction assembly is installed in the box body. According to the efficient extraction device for the dental pulp stem cells, a driving motor is started to drive a driving shaft to enable a driving gear to rotate, the driving gear drives a rack to enable a rotating block to rotate outside a guide rail, and the rotating block rotates to enable an internal sliding block to drive a connecting column to slide under limitation of a straight notch of an arc notch; a connecting column drives a positioning block to enable an anti-skid plate to make contact with and fix teeth, a spindle motor is started to drive an inner-tooth saw blade to rotate, then an air cylinder is started to drive a fixing plate to enable the inner-tooth saw blade to cut and collect the teeth, the teeth are conveniently fixed, and it is prevented that the teeth slip to affect follow-up collection.

Description

TECHNICAL FIELD

[0001] The utility model relates to dental pulp stem cell technical field, concretely is dental pulp stem cell high -efficient extraction device. BACKGROUND

[0002] Dental pulp tissue is the only soft tissue in dental pulp cavity inside tooth, and is the only soft tissue in dental pulp cavity inside tooth. In 2000, Gronthos et al. found a kind of cell with extremely similar immunophenotype and mineralization nodule formation ability to bone marrow mesenchymal stem cells through the research on human dental pulp cells, and the cell morphology is fusiform, can self-renew and multi-directional differentiation, has strong cloning ability. These fibroblastic cells separated from dental pulp tissue are called dental pulp stem cells.

[0003] Extraction of dental pulp tissue from dental pulp cavity is the only method to obtain dental pulp stem cells at present, however, due to the diversity of dental pulp cavity structure and small space, the content of dental pulp tissue is very low, it is difficult to take out all the dental pulp tissue, the existing extraction method of dental pulp, generally through professional staff drill hole, use collection device to take out part of dental pulp, but there is exposure risk and stem cell damage is serious, lack of practical value. Another extraction method is to obtain dental pulp tissue by crushing teeth, rely on tiger forceps, hemostatic forceps and other non-special tools to crush teeth, or wrap teeth with gauze and crush with hammer; but due to the hardness of teeth, irregular shape and easy to slip, so that the operator is very laborious when operating. In addition, the crushing process is not easy to control, and it is easy to cause dental pulp stem cell pollution caused by splashing.

[0004] Therefore, the utility model provides dental pulp stem cell high -efficient extraction device through positioning assembly to solve the above -mentioned problems. UTILITY MODEL CONTENT

[0005] In view of the deficiency of prior art, the utility model provides dental pulp stem cell high -efficient extraction device, solves the above -mentioned problems.

[0006] In order to realize the above object, the utility model realizes the following technical scheme: dental pulp stem cell high -efficient extraction device, including the box, the box is fixedly connected with upper support plate in the inside, the box is fixedly connected with lower support plate in the inside, the top of upper support plate is installed with drive assembly, the top of lower support plate is installed with sliding assembly, the inside of sliding assembly is installed with positioning assembly, the inside of box is installed with extraction assembly.

[0007] Preferably, the drive assembly includes a drive motor, the drive motor is fixed on the top of the upper support plate, the drive motor output end extends to the lower of the upper support plate and is fixedly installed with the driving shaft, the driving shaft is fixedly connected with the driving gear outside.

[0008] Preferably, the sliding assembly comprises a guide rail fixed on the top of the lower support plate, a rotating block rotatably connected outside the guide rail, a rack fixedly connected outside the rotating block, and a driving gear in meshing connection with the rack outside.

[0009] Preferably, a circular groove is formed on the top of the lower support plate, a limiting plate is fixedly connected to the bottom of the rotating block, and the circular groove is rotatably connected with the limiting plate outside.

[0010] Preferably, the positioning assembly comprises a circular arc notch formed outside the rotating block and the limiting plate, a straight notch formed on the outside of the lower support plate, a sliding block slidably connected inside the circular arc notch, a connecting column fixedly connected to the bottom of the sliding block, a positioning block extending to the lower side of the lower support plate and fixedly connected to the lower end of the connecting column, an anti-skid plate fixedly connected to the outside of the positioning block, and the connecting column is slidably connected with the straight notch outside.

[0011] Preferably, the extraction assembly comprises a gas cylinder fixed inside the box body, a fixed plate fixedly connected to the output end of the gas cylinder, a main shaft motor fixedly connected to the top of the fixed plate, and an inner tooth saw blade fixedly mounted to the output end of the main shaft motor.

[0012] Preferably, the number of the circular arc notches, the sliding blocks, the connecting columns and the positioning blocks is several, and the plurality of circular arc notches, the sliding blocks, the connecting columns and the positioning blocks are arranged in a circular array inside the rotating block.

[0013] Advantages

[0014] The utility model provides a high -efficient extraction device of dental pulp stem cell, and compared with prior art has the following

[0015] Advantages:

[0016] (1) the driving motor is started to drive the driving shaft to rotate the driving gear, the rack is driven by the driving gear to rotate the rotating block outside the guide rail, the rotating block rotates to drive the connecting column to slide under the limitation of the straight groove of the circular arc groove, the connecting column drives the positioning block to make the anti -skid plate contact and fix the tooth, the main shaft motor is started to drive the inner tooth saw blade to rotate, and then the cylinder is started to drive the fixed plate to cut and collect the tooth by the inner tooth saw blade, the high -efficient extraction device of dental pulp stem cell, through the positioning assembly, it is convenient to fix the tooth, prevent its skid influence subsequent collection, make more convenient for cutting and collecting the dental pulp stem cell. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the external structure perspective drawing of the utility model;

[0018] Figure 2 is the internal structure front view of the utility model;

[0019] Figure 3 is the driving assembly structure front view of the utility model;

[0020] Figure 4 is the positioning assembly structure plan view of the utility model;

[0021] Figure 5 is the sliding assembly structure plan view of the utility model;

[0022] Figure 6 is the positioning assembly structure plan view of the utility model.

[0023] Fig. 1, box body;2, upper support plate;3, lower support plate;4, driving assembly;41, driving motor;42, driving shaft;43, driving gear;5, sliding assembly;51, guide rail;52, rotating block;53, rack;54, limit plate;55, circular groove;6, positioning assembly;61, circular arc notch;62, sliding block;63, connecting column;64, positioning block;65, antiskid plate;66, straight notch;7, extraction assembly;71, air cylinder;72, fixed plate;73, main shaft motor;74, inner tooth saw blade. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment one:

[0026] Please refer to Figures 1-6 Dental pulp stem cell efficient extraction device, including box body 1, box body 1 inside fixedly connected with upper support plate 2, box body 1 inside fixedly connected with lower support plate 3, the top of upper support plate 2 is installed with driving assembly 4, and the top of lower support plate 3 is installed with sliding assembly 5, and sliding assembly 5 is installed with positioning assembly 6 inside, and box body 1 is installed with extraction assembly 7.

[0027] Further, driving assembly 4 includes driving motor 41, driving motor 41 is fixed on the top of upper support plate 2, driving motor 41 output extends to the lower of upper support plate 2 and is fixedly installed with driving shaft 42, and driving shaft 42 is fixedly connected with driving gear 43 outside, and driving motor 41 is started to drive driving shaft 42 to make driving gear 43 rotate, to provide power source for subsequent sliding assembly 5 operation.

[0028] Further, the sliding assembly 5 comprises a guide rail 51 fixed on the top of the lower support plate 3, a rotating block 52 rotatably connected outside the guide rail 51, a rack 53 fixedly connected outside the rotating block 52, and the rack 53 is in meshing connection with the driving gear 43. A circular groove 55 is formed on the top of the lower support plate 3, a limiting plate 54 is fixedly connected to the bottom of the rotating block 52, and the circular groove 55 is in rotating connection with the outside of the limiting plate 54. The driving gear 43 drives the rack 53 to rotate the rotating block 52 outside the guide rail 51, thereby limiting the rotating track of the sliding assembly 5.

[0029] Further, the positioning assembly 6 comprises a circular arc notch 61 formed outside the rotating block 52 and the limiting plate 54, a straight notch 66 formed outside the lower support plate 3, a sliding block 62 slidably connected inside the circular arc notch 61, a connecting column 63 fixedly connected to the bottom of the sliding block 62, a positioning block 64 fixedly connected to the lower end of the connecting column 63 extending below the lower support plate 3, an anti-skid plate 65 fixedly connected to the outside of the positioning block 64, and the connecting column 63 is in sliding connection with the inside of the straight notch 66. There are several circular arc notches 61, sliding blocks 62, connecting columns 63 and positioning blocks 64, and the plurality of circular arc notches 61, sliding blocks 62, connecting columns 63 and positioning blocks 64 are arranged in a circular array inside the rotating block 52. When the rotating block 52 rotates, the internal sliding block 62 drives the connecting column 63 to slide under the limitation of the straight notch 66 of the circular arc notch 61, and the connecting column 63 drives the positioning block 64 to make the anti-skid plate 65 contact and fix the teeth, thereby facilitating the fixation of the teeth and preventing the teeth from slipping and affecting the subsequent collection.

[0030] Further, the extraction assembly 7 comprises a gas cylinder 71 fixed inside the box body 1, a fixed plate 72 fixedly connected to the output end of the gas cylinder 71, a main shaft motor 73 fixedly connected to the top of the fixed plate 72, and an inner tooth saw blade 74 fixedly installed at the output end of the main shaft motor 73. The start of the main shaft motor 73 drives the inner tooth saw blade 74 to rotate, and then the start of the gas cylinder 71 drives the fixed plate 72 to make the inner tooth saw blade 74 cut and collect the teeth, thereby facilitating the collection of dental pulp stem cells.

[0031] Meanwhile, the contents not described in detail in the present specification are all existing technologies known to those skilled in the art.

[0032] In operation, firstly, the driving motor 41 is started to drive the driving shaft 42 to rotate the driving gear 43, the driving gear 43 drives the rack 53 to rotate the rotating block 52 outside the guide rail 51, the rotating of the rotating block 52 drives the connecting column 63 to slide in the straight slot 66 of the circular arc slot 61, the connecting column 63 drives the positioning block 64 to make the anti-skid plate 65 contact and fix the teeth, the main shaft motor 73 is started to drive the inner tooth saw blade 74 to rotate, and then the cylinder 71 is started to drive the fixed plate 72 to make the inner tooth saw blade 74 cut and collect the teeth, so that the teeth are fixed, the teeth are prevented from slipping to affect the subsequent collection, and the cutting and collection of the dental pulp stem cells are more convenient.

Claims

1. A device for efficient extraction of dental pulp stem cells, comprising a box (1), characterized in that: The box (1) is internally connected with an upper support plate (2), the box (1) is internally connected with a lower support plate (3), the top of the upper support plate (2) is provided with a driving assembly (4), the top of the lower support plate (3) is provided with a sliding assembly (5), the sliding assembly (5) is internally provided with a positioning assembly (6), and the box (1) is internally provided with a extraction assembly (7).

2. The dental pulp stem cell efficient extraction device according to claim 1, characterized by: The driving assembly (4) comprises a driving motor (41), the driving motor (41) is fixed on the top of the upper support plate (2), the output end of the driving motor (41) extends below the upper support plate (2) and is fixedly provided with a driving shaft (42), and the outer side of the driving shaft (42) is fixedly connected with a driving gear (43).

3. The dental pulp stem cell efficient extraction device according to claim 2, characterized by: The sliding assembly (5) comprises a guide rail (51), the guide rail (51) is fixed on the top of the lower support plate (3), the outer side of the guide rail (51) is rotatably connected with a rotating block (52), the outer side of the rotating block (52) is fixedly connected with a rack (53), and the outer side of the rack (53) is in meshing connection with the driving gear (43).

4. The dental pulp stem cell efficient extraction device according to claim 3, characterized by: The top of the lower support plate (3) is provided with a circular groove (55), the bottom of the rotating block (52) is fixedly connected with a limiting plate (54), and the circular groove (55) is rotatably connected with the outer side of the limiting plate (54).

5. The dental pulp stem cell efficient extraction device according to claim 4, characterized by: The positioning assembly (6) comprises a circular arc notch (61), the circular arc notch (61) is arranged on the outer side of the rotating block (52) and the limiting plate (54), the outer side of the lower support plate (3) is provided with a straight notch (66), the circular arc notch (61) is slidably connected with a sliding block (62), the bottom of the sliding block (62) is fixedly connected with a connecting column (63), the lower end of the connecting column (63) extends below the lower support plate (3) and is fixedly connected with a positioning block (64), the outer side of the positioning block (64) is fixedly connected with an anti-skid plate (65), and the outer side of the connecting column (63) is slidably connected with the inner side of the straight notch (66).

6. The dental pulp stem cell efficient extraction device according to claim 1, characterized by: The extraction assembly (7) comprises a cylinder (71), the cylinder (71) is fixed in the box (1), the output end of the cylinder (71) is fixedly connected with a fixed plate (72), the top of the fixed plate (72) is fixedly connected with a main shaft motor (73), and the output end of the main shaft motor (73) is fixedly provided with an inner tooth saw blade (74).

7. The dental pulp stem cell efficient extraction device according to claim 5, characterized by: The circular arc notch (61), the sliding block (62), the connecting column (63) and the positioning block (64) are arranged in a circular array in the rotating block (52).

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