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CN-224211617-U - Stem cell preparation preservation and transportation device

CN224211617UCN 224211617 UCN224211617 UCN 224211617UCN-224211617-U

Abstract

The utility model relates to the field of cell preservation and transportation, and discloses a stem cell preparation preservation and transportation device which comprises an outer shell, wherein an inner heat preservation shell is fixedly arranged in the outer shell, a fixed seat is fixedly arranged in the inner heat preservation shell, a plurality of circular limiting grooves are formed in the top surface of the fixed seat, flexible sponge jackets are fixedly arranged in the circular limiting grooves, a stem cell preparation freezing pipe is arranged in the middle of the flexible sponge jackets, a liquid nitrogen adding component is arranged on the side of the outer shell, a protective plate body is arranged above the fixed seat in the inner heat preservation shell, and the device can further enhance the overall heat preservation performance by the combination of the arranged protective plate body, a heat preservation flexible plate, an external threaded rod and a sealing convex block, so that the freezing pipe is not directly exposed when a sealed heat preservation box cover is opened, heat entering is reduced as much as possible when a person takes a single freezing pipe, and the relative stability of an internal low-temperature environment is maintained.

Inventors

  • ZHANG WEI
  • WU KEQIN
  • HU HUOZHEN
  • LIU ZENGYONG
  • ZHANG JUAN

Assignees

  • 四川驰鼎盛通生物科技有限公司

Dates

Publication Date
20260508
Application Date
20250610

Claims (6)

  1. 1. The stem cell preparation preservation and transportation device comprises an outer shell (1) and is characterized in that an inner heat preservation shell (2) is fixedly arranged in the outer shell (1), a fixing seat (3) is fixedly arranged in the inner heat preservation shell (2), a plurality of circular limiting grooves (4) are formed in the top surface of the fixing seat (3), flexible sponge sheaths (5) are fixedly arranged in the circular limiting grooves (4), stem cell preparation freezing pipes (6) are arranged in the middle of the flexible sponge sheaths (5), liquid nitrogen adding assemblies (14) are arranged on the side of the outer shell (1), a protective plate body (7) is arranged above the fixing seat (3) in the inner heat preservation shell (2), rectangular grooves (8) are formed in the bottom surface of the protective plate body (7), heat preservation flexible plates (9) are fixedly arranged in the inner surfaces of the rectangular grooves, a plurality of circular holes (10) corresponding to the stem cell preparation freezing pipes (6) are formed in the bottom surface of the heat preservation flexible plates (9), a plurality of threaded holes (12) are formed in the top surface of the protective plate body (7) and are communicated with the bottom surfaces of the threaded rods (11) of the threaded rods (12), the inside of the inner heat preservation shell (2) is provided with a limiting mechanism (15) connected with the protection plate body (7).
  2. 2. The stem cell preparation preservation and transportation device according to claim 1, wherein the limiting mechanism (15) comprises mounting grooves (1501), limiting convex plates (1502) and springs (1503), two mounting grooves (1501) are symmetrically formed in the inner side wall of the inner heat preservation shell (2), the two limiting convex plates (1502) are arranged in the two mounting grooves (1501), two springs (1503) are fixedly arranged at one end of each limiting convex plate (1502), one ends, far away from the limiting convex plates (1502), of the two springs (1503) are fixed with the inner side wall of the mounting groove (1501), and arc-shaped transition surfaces are formed at one ends, far away from the springs (1503), of the limiting convex plates (1502).
  3. 3. A stem cell preparation preservation and transportation device according to claim 1 is characterized in that the top surface of the outer shell (1) is hinged with a sealed heat preservation box cover (16), and a handle (17) is fixedly arranged on the top surface of the sealed heat preservation box cover (16).
  4. 4. The stem cell preparation preservation and transportation device according to claim 1, wherein a plurality of positioning columns (18) are fixedly arranged on the top surface of the fixing seat (3) near corners, a plurality of positioning holes (19) corresponding to the positioning columns (18) are formed on the bottom surface of the protective plate body (7) near the corners, and the positioning columns (18) are spliced in the positioning holes (19).
  5. 5. A stem cell preparation preservation and transportation device according to claim 1, wherein a signboard (20) is fixedly arranged on the side of the top surface of the protective plate body (7) located at the side of the internal threaded hole (11).
  6. 6. A stem cell preparation preservation and transportation device according to claim 1 is characterized in that an anti-skid rubber pad (21) is fixedly arranged on the bottom surface of the outer shell (1).

Description

Stem cell preparation preservation and transportation device Technical Field The application belongs to the technical field of cell preservation and transportation, and particularly relates to a stem cell preparation preservation and transportation device. Background The stem cell preparation is used as a biological product containing stem cells with self-replication and multidirectional differentiation potential, covers different types of hematopoietic stem cells, mesenchymal stem cells and the like according to sources and purposes, often exists in the form of cell suspension or cell tissue blocks, has great significance on maintaining activity and effectiveness, ensures cell activity by adopting 2-8 ℃ low-temperature preservation in short time (within a few hours) transportation and by adopting a transportation culture medium containing nutrient substances, and is matched with an incubator to stabilize the temperature and avoid severe vibration, and adopts liquid nitrogen (-196 ℃) deep low-temperature freezing preservation in long-time preservation transportation, so that the whole-process strictly controls the temperature and ensures sterile environment, thereby maintaining the biological activity of the stem cell preparation and guaranteeing the clinical application effect. The utility model discloses a freezing box for freezing and preserving stem cells, which comprises a box body, wherein a placing groove is arranged in the box body, a plurality of groups of inner containers are arranged in the placing groove, the inner containers are arranged in a columnar structure, a liquid nitrogen freezing bin is arranged in the box body, an inlet is arranged at the upper part of the liquid nitrogen freezing bin, and a sealing cover is arranged at the inlet. However, in the practical use process, the device is realized by placing a stem cell test tube in an inner container and freezing liquid nitrogen for long-time transportation; However, when the box cover of the device is opened to take and place stem cell test tubes, the test tubes in the box are exposed to the external environment, so that the temperature in the box is quickly raised, the low-temperature environment cannot be well stabilized, the stem cell preparation in the stem cell test tubes is influenced by temperature fluctuation in a short time, the cell activity is reduced, and the cryopreservation effect is poor. Disclosure of utility model The application aims to solve the problems and provide a stem cell preparation preservation and transportation device. The technical scheme includes that the stem cell preparation preservation and transportation device comprises an outer shell, an inner heat preservation shell is fixedly arranged in the outer shell, a fixed seat is fixedly arranged in the inner heat preservation shell, a plurality of round limiting grooves are formed in the top surface of the fixed seat, flexible sponge jackets are fixedly arranged in the round limiting grooves, stem cell preparation freezing pipes are arranged in the middle of the flexible sponge jackets, a liquid nitrogen adding component is arranged on the side of the outer shell, a protective plate body is arranged above the fixed seat in the inner heat preservation shell, a rectangular groove is formed in the bottom surface of the protective plate body, a heat preservation flexible plate is fixedly arranged in the rectangular groove, a plurality of round holes corresponding to the stem cell preparation freezing pipes are formed in the bottom surface of the protective plate body, a plurality of inner threaded holes communicated with the round holes are formed in the top surface of the protective plate body, an outer threaded rod is connected with the inner threads of the inner threaded holes, a sealing bump is fixedly arranged at the bottom end of the outer threaded rod, and a limiting mechanism connected with the protective plate body is arranged in the inner shell. In a preferred embodiment, stop gear includes mounting groove, spacing flange and spring, two mounting grooves have been seted up to interior insulation can's inside wall symmetry, and two the inside of mounting groove all is provided with spacing flange, the one end fixed mounting of spacing flange has two springs, and two the one end that spacing flange was kept away from to the spring is fixed mutually with mounting groove's inside wall, the one end that the spring was kept away from to spacing flange is provided with the arc transitional surface. In a preferred embodiment, the top surface of the outer shell is hinged with a sealed heat preservation box cover, and a handle is fixedly arranged on the top surface of the sealed heat preservation box cover. In a preferred embodiment, a plurality of positioning columns are fixedly mounted on the top surface of the fixing seat near the corners, a plurality of positioning holes corresponding to the positioning columns are formed on the bottom surface of the protecti