Tissue scissors for separating bone marrow stem cells

Abstract

The utility model relates to the technical field of cell culture operation machinery, in particular to a pair of tissue scissors for separating bone marrow stem cells, which comprises a scissors main body and a stabilizing mechanism, the scissor main body comprises a first scissor head, a first rod part and a first handle part which are connected in sequence, and a second scissor head, a second rod part and a second handle part which are connected in sequence, and the first rod part and the second rod part are movably connected in a crossed manner; the stabilizing mechanism comprises a stabilizing sliding sleeve and a first supporting leg, the stabilizing sliding sleeve is installed on the first rod part, the first supporting leg is arranged at the bottom of the stabilizing sliding sleeve, and when the first supporting leg is stably supported on the working face, the first scissor head and the second scissor head are suspended. According to the device, when an experimenter pauses to use the tissue scissors, the cutting edge part (scissor head) of the tissue scissors can be in a suspended state to keep clean and sanitary, so that the working efficiency of the experimenter is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cell culture operation machinery technical field especially, it relates to a tissue scissors for bone marrow stem cell separation. BACKGROUND

[0002] Mesenchymal stem cells (MSC) are derived from mesoderm multipotent stem cells, can be separated from bone marrow, fat, umbilical cord, placenta, cord blood, skin and other various tissues, have strong proliferation ability and multi-directional differentiation potential, not only can differentiate into osteoblasts, chondrocytes, adipocytes, but also can differentiate into muscle cells, hepatocytes, islet cells and other cell types. Mesenchymal stem cells show great application prospect in tissue engineering, gene therapy and immunotherapy and many other aspects, bring new hope and breakthrough direction to medical field, and have important significance for the treatment and research of various diseases.

[0003] When carrying out mouse bone marrow stem cell separation culture, 2-3 weeks old mice are needed, after decapitation, 75% ethanol is soaked for 5 minutes, then the skin of the inguinal region is cut with scissors, the epidermis is pulled down along the opening, the bilateral femur and tibia are removed under aseptic condition, the muscle and connective tissue around the femur and tibia are removed, and a series of subsequent operations can obtain bone marrow stem cells. In the process, the tissue scissors for bone marrow stem cell separation need to be used to process tissue samples for many times, and need to be operated finely to obtain more pure stem cells. Since the tissue scissors for bone marrow stem cell separation is temporarily used, it is placed in the scissors placing area, and then the scissors need to be continuously used, which may need to be continuously sterilized and cleaned, and the operation process of the experimenter is time-consuming and laborious, and may need to be paused many times.

[0004] Therefore, it is necessary to provide a new tissue scissors for bone marrow stem cell separation, which can make the blade part (scissors head) in a suspended state when the experimenter pauses the use of the tissue scissors, so as to improve the work efficiency of the experimenter. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem of overcoming the defects in the prior art, and provides a tissue scissors for bone marrow stem cell separation, which can make the blade part (scissors head) in a suspended state when the experimenter pauses the use of the tissue scissors, so as to improve the work efficiency of the experimenter.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of a tissue scissors for bone marrow stem cell separation, comprising:

[0007] The utility model provides a bone marrow stem cell separation tissue scissors, which comprises a scissors body and a stabilizing mechanism, wherein the scissors body comprises a first scissors head, a first rod part and a first handle part connected in sequence, and a second scissors head, a second rod part and a second handle part connected in sequence, and the first rod part and the second rod part are cross movably connected; the stabilizing mechanism comprises a stabilizing sleeve and a first supporting leg, the stabilizing sleeve is installed on the first rod part, and the first supporting leg is arranged at the bottom of the stabilizing sleeve; when the first supporting leg is stably supported on a working surface, the first scissors head and the second scissors head are suspended.

[0008] Further, the utility model also comprises a second supporting leg, which is arranged at the bottom of the first handle part, and the length of the second supporting leg is shorter than that of the first supporting leg.

[0009] Further, the utility model also comprises a fixing plate and a threaded rod, the fixing plate is arranged at the bottom of the stabilizing sleeve, the threaded rod passes through the fixing plate, the number of the first supporting legs is multiple, and the multiple first supporting legs are rotatably installed on the threaded rod.

[0010] Further, the stabilizing sleeve is slidably sleeved on the outer wall of the first rod part, and a threaded hole is formed in the top of the stabilizing sleeve, a screw is threadedly connected in the threaded hole, and the stabilizing sleeve is stably fixed on the first rod part.

[0011] Further, the fixing plate and the stabilizing sleeve are integrally formed, the fixing plate is located at the middle position of the bottom surface of the stabilizing sleeve, the number of the first supporting legs is four, two first supporting legs are installed on each of the threaded rods on the two sides of the fixing plate, and nuts are threadedly connected at the two ends of the threaded rods.

[0012] Further, a suction cup is fixedly installed at the bottom of the first supporting leg.

[0013] Further, the first handle part and the second handle part are circular ring structures, and the second supporting leg and the first handle part are integrally formed.

[0014] Further, the first rod part is in the shape of a cuboid, and the slot in the middle of the stabilizing sleeve is matched with the shape and size of the first rod part.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The bone marrow stem cell separation tissue scissors can be continuously used, and the efficiency of the operating personnel is improved.

[0017] The movable stable sliding sleeve and the cross angle of the adjustable first supporting leg enable the tissue scissors for bone marrow stem cell separation to be stably arranged on work surfaces of various shapes and states.

[0018] The first supporting legs can be accommodated together, facilitating subsequent safe and stable storage and occupying small space. BRIEF DESCRIPTION OF DRAWINGS

[0019] The disclosure of the present application will be described with reference to the accompanying drawings. It should be understood that the drawings are only for the purpose of illustration and are not intended to limit the scope of protection of the present application. In the drawings, the same reference numerals are used to refer to the same components. Among them:

[0020] Figure 1 is a schematic view of the axial structure of the device from a first perspective of the present application;

[0021] Figure 2 is a schematic view of the axial structure of the device from a second perspective of the present application;

[0022] Figure 3 is a schematic view of the axial structure of the device from a second perspective of the present application; Figure 2 is a schematic view of the axial structure of the device from a second perspective of the present application;

[0023] Figure 4 is a schematic view of the axial structure of the device from a second perspective of the present application;

[0024] Reference numerals in the drawings:

[0025] 10 - first shear head; 11 - first rod portion; 12 - first handle portion; 121 - second supporting leg; 20 - second shear head; 21 - second rod portion; 22 - second handle portion; 30 - stabilizing mechanism; 31 - stable sliding sleeve; 32 - first supporting leg; 33 - fixed plate; 34 - threaded rod; 35 - suction cup; 36 - nut; 37 - threaded hole; 38 - screw. DETAILED DESCRIPTION

[0026] It is easy to understand that according to the technical scheme of the present application, a person skilled in the art can propose a plurality of structure modes and implementation modes which can be replaced with each other without changing the essential spirit of the present application. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical scheme of the present application, and should not be regarded as the whole or as a limitation or restriction of the technical scheme of the present application.

[0027] Please refer to Figures 1-3 The tissue scissors for bone marrow stem cell separation provided in the embodiment mainly comprises a first shear head 10, a first rod portion 11, a first handle portion 12, a second shear head 20, a second rod portion 21, a second handle portion 22 and a stabilizing mechanism 30.

[0028] The first shearing head 10, the first rod part 11, the first handle part 12, the second shearing head 20, the second rod part 21 and the second handle part 22 constitute a shearing body of the tissue shears for isolating bone marrow stem cells, wherein the first rod part 11 and the second rod part 21 are cross-connected. The user controls the first shearing head 10 and the second shearing head 20 to open and close by using hands to operate the first handle part 12 and the second handle part 22, so as to shear the target tissue.

[0029] The stable sliding sleeve 31 is installed on the first rod part 11, and the first supporting feet 32 are arranged at the bottom of the stable sliding sleeve 31. When the first supporting feet 32 are stably supported on the working surface, the first shearing head 10 and the second shearing head 20 are suspended.

[0030] Further, the second supporting feet 121 are arranged at the bottom of the first handle part 12, and the length of the second supporting feet 121 is shorter than that of the first supporting feet 32. The second supporting feet 121 and the first supporting feet 32 are cooperated to stably place the shearing body on the working surface, and the first shearing head 10 and the second shearing head 20 are in the suspended state.

[0031] Further, the first handle part 12 and the second handle part 22 are circular ring structures, and the second supporting feet 121 are integrally formed with the first handle part 12.

[0032] In an embodiment, the bottom of the stable sliding sleeve 31 is fixedly installed with a fixed plate 33, a threaded rod 34 penetrates through the fixed plate 33, the fixed plate 33 is integrally formed with the stable sliding sleeve 31, and the fixed plate 33 is located at the middle position of the bottom surface of the stable sliding sleeve 31. The number of the first supporting feet 32 is multiple, preferably four. Two first supporting feet 32 are arranged on each of the threaded rods 34 on the two sides of the fixed plate 33. Nuts 36 are threadedly connected to the two ends of the threaded rods 34. When the nuts 36 are loosened, the first supporting feet 32 can rotate around the threaded rods 34, so that the cross angle between the multiple first supporting feet 32 can be adjusted. After the appropriate position is adjusted, the nuts 36 are tightened, so that the tissue shears for isolating bone marrow stem cells can be stably placed on the working surface with multiple shapes and multiple states. Preferably, the bottom of the first supporting feet 32 is fixedly installed with a suction cup 35, so that the entire stable mechanism 30 can be more firmly adsorbed on the working surface, and the reliability of the operation is ensured. After the operation is completed, the nuts 36 are loosened, and the multiple first supporting feet 32 are stored together, so that the subsequent safe and stable storage is facilitated, and the occupied space is small.

[0033] Please refer to Figure 3 and Figure 4In a specific embodiment, the first rod part 11 is cuboid, the slot in the middle of the stable sliding sleeve 31 is matched with the shape and size of the first rod part 11. The stable sliding sleeve 31 is sleeved on the outer wall of the first rod part 11, and a threaded hole 37 is formed in the top of the stable sliding sleeve 31, and a screw 38 is threadedly connected in the threaded hole 37, so that the stable sliding sleeve 31 is stably fixed on the first rod part 11.

[0034] When the tissue scissors for bone marrow stem cell separation is placed on the operation surface, according to the real-time state of the operation surface and the shape of the operation surface, first, the first supporting leg 32 is rotated, and then the nut 36 is locked to stably install the first supporting leg 32 on the threaded rod 34. Then, the stable sliding sleeve 31 is slid on the outer wall of the first rod part 11 to the appropriate position, and then the screw 38 is tightened to stably and fixedly install the stable sliding sleeve 31 on the first rod part 11.

[0035] At this time, the suction cup 35 at the bottom of the first supporting leg 32 and the second supporting leg 121 cooperate, so that the scissors head of the tissue scissors for bone marrow stem cell separation is in a suspended state, and the scissors head for operation is kept clean and hygienic; so that the tissue scissors for bone marrow stem cell separation can be continuously used, and the efficiency of the operator is improved.

[0036] The technical scope of the utility model is not only limited to the content in the above description, and the person skilled in the art can make various deformations and modifications to the above embodiment without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.

Claims

1. A tissue scissors for isolating bone marrow stem cells, characterized by comprising: The utility model relates to a kind of pruning shears, including: Scissors main body and stabilizing mechanism (30);The scissors main body includes sequentially connected first shear head (10), first rod portion (11) and first handle portion (12), and sequentially connected second shear head (20), second rod portion (21) and second handle portion (22), the first rod portion (11) and second rod portion (21) cross movable connection;The stabilizing mechanism (30) includes stabilizing sleeve (31) and first support leg (32), the stabilizing sleeve (31) is installed on first rod portion (11), and the first support leg (32) is arranged at the bottom of stabilizing sleeve (31), when the first support leg (32) is stably supported on work surface, the first shear head (10) and the second shear head (20) are suspended.

2. The tissue scissors for isolating bone marrow stem cells according to claim 1, wherein, It further includes second support leg (121), the second support leg (121) is arranged at the bottom of the first handle portion (12), and the length of the second support leg (121) is shorter than that of the first support leg (32).

3. The tissue scissors for isolating bone marrow stem cells according to claim 1, wherein, It further includes fixed plate (33) and threaded rod (34), the fixed plate (33) is arranged at the bottom of the stabilizing sleeve (31), the threaded rod (34) passes through fixed plate (33), and the number of the first support leg (32) is multiple, and the multiple first support legs (32) are rotatably installed on the threaded rod (34).

4. The tissue scissors for isolating bone marrow stem cells according to claim 3, wherein The stabilizing sleeve (31) is slidably sleeved on the outer wall of the first rod portion (11), and a threaded hole (37) is formed in the top of the stabilizing sleeve (31), and a screw (38) is threadedly connected in the threaded hole (37), so that the stabilizing sleeve (31) is stably fixed on the first rod portion (11).

5. The tissue scissors for isolating bone marrow stem cells according to claim 4, wherein The fixed plate (33) and the stabilizing sleeve (31) are integrally formed, and the fixed plate (33) is located at the middle position of the bottom surface of the stabilizing sleeve (31), the number of the first support leg (32) is four, two first support legs (32) are installed on each of the threaded rods (34) on both sides of the fixed plate (33), and nuts (36) are threadedly connected on both ends of the threaded rods (34).

6. The tissue scissors for isolating bone marrow stem cells according to claim 1, wherein, The bottom of the first support leg (32) is fixedly installed with a suction cup (35).

7. The tissue scissors for isolating bone marrow stem cells according to claim 2, wherein The first handle portion (12) and the second handle portion (22) are circular ring structures, and the second support leg (121) and the first handle portion (12) are integrally formed.

8. The tissue scissors for isolating bone marrow stem cells according to claim 1, wherein, The first rod portion (11) is a rectangular parallelepiped, and the shape and size of the slot in the middle of the stabilizing sleeve (31) match those of the first rod portion (11).

Images