CN111602649A - Intervertebral disc organ cryopreservation box - Google Patents

Abstract

The invention relates to the field of medical devices, and discloses an intervertebral disc organ cryopreservation box; comprising: a chassis, a box body for accommodating an intervertebral disc, and a cover body; an upper end surface of the chassis is provided with a placement groove for accommodating the box body; The lid body is closed at the opening of the box body; the box body contains the freezing liquid; the volume of the box body is 2 to 4 times the volume of the intervertebral disc. Compared with the prior art, the present invention, through the above-mentioned settings, provides a container specially used for placing the intervertebral disc, and achieves the purpose of facilitating the cryopreservation of the intervertebral disc.

Description

Intervertebral disc organ cryopreservation box

technical field

The invention relates to the field of medical devices, in particular to a cryopreservation box for intervertebral disc organs.

Background technique

Organ donation means that a natural person voluntarily expresses that after death, the executor will donate part of the body to the cause of medical science. Or the act of donating all or part of the remains to the cause of medical science by their immediate family after the death of a natural person who did not express his willingness to donate before his death. Organs obtained from organ donation, such as intervertebral discs, are usually preserved by cryogenic freezing.

Low back pain is one of the most common musculoskeletal disorders. Although many potential factors can contribute to low back pain, one known determinant is disc degeneration. The most effective treatments for severe disc degeneration are: spinal fusion and artificial disc replacement. Transplantation of freshly cryopreserved intervertebral discs has been shown to be an effective treatment for degenerative disc disease in rhesus monkeys and humans.

However, in the prior art, there is no container specially used for placing the intervertebral disc, so a cryopreservation box for the intervertebral disc organ remains to be proposed.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a cryopreservation box for intervertebral disc organs that overcomes the deficiencies of the above-mentioned prior art.

The technical scheme adopted by the present invention to solve the problems of the prior art is:

An intervertebral disc organ cryopreservation box, comprising: a base plate, a box body for accommodating an intervertebral disc, and a cover body; an upper end surface of the base plate is provided with a placement groove for accommodating the box body; the upper end of the box body is formed as an opening ; the cover body is closed at the opening of the box body; the box body is filled with freezing liquid; the volume of the box body is 2 to 4 times the volume of the intervertebral disc.

The above technical solutions are further elaborated below:

Preferably, it also includes a transparent sheet and a base sheet; the transparent sheet is fixed on the upper end face of the cover body and forms a cavity with the cover body; the base sheet is placed in the cavity; the transparent sheet An opening is formed between the sheet and the cover body for the base sheet to be inserted into or withdrawn from the cavity; the upper end face of the base sheet is provided with a two-dimensional code, and the two-dimensional code is associated with the inside of the box. The basic information of the donor of the intervertebral disc and the size of the intervertebral disc.

Preferably, an anti-drop mechanism is also included; the anti-drop mechanism is fixed on the chassis and used to prevent the box body from falling out of the placing groove after being put into the placing groove.

Preferably, the anti-fall mechanism includes: a fixing tube, a ring sleeve, a connecting rod, a transparent baffle and a limiting component; the fixing tube is arranged in an up-down direction, and the lower end of the fixing tube is fixed on the upper end surface of the chassis and is connected with the chassis. coaxially arranged; the annular sleeve is slidably sleeved on the outer wall of the fixed pipe along the up-down direction; the connecting rod is arranged horizontally and the end is fixed on the outer wall of the annular sleeve; the transparent baffle is arranged horizontally and fixed on the side of the connecting rod away from the annular sleeve; the limiting component is fixed on the fixing tube and used to restrict the rotation of the annular sleeve after the transparent baffle is facing the placement groove;

After the box body is put into the placement slot, rotate the annular sleeve until the transparent baffle is rotated to face the placement slot, and the limiting component restricts the rotation of the annular sleeve to prevent the The box body falls out from the placement slot after being put into the placement slot.

Preferably, the restriction assembly includes: a through groove, a top plate, a sliding plate, a first elastic member, a limit rod, a first bayonet and a second bayonet;

The two through grooves are oppositely arranged on the two sides of the inner wall of the fixed tube, corresponding to the outer wall of the fixed tube and arranged in the up-down direction; the top plate is fixed on the upper end of the fixed tube; the sliding plate is movable in the up-down direction. The upper end of the first elastic member is fixed to the lower end of the top plate, and the lower end is fixed to the upper end of the sliding plate; the two limit rods are slidably connected to the two In the through groove, the first end is oppositely arranged on both sides of the outer wall of the sliding plate, and the second end passes through the two through grooves correspondingly; the two first bayonet openings are opposite on both sides of the upper end surface of the annular sleeve The two second bayonets are opened on the other two sides of the upper end face of the ring sleeve and are correspondingly clamped and fitted with the two limit rods. match;

When the two limit rods are correspondingly clamped at the two first bayonets, the transparent baffle is facing the placement slot; when the two limit rods are correspondingly clamped at the two second clips At the mouth, the transparent baffle is located beside the placing slot.

Preferably, the anti-fall mechanism includes: a sliding groove, a fan-shaped sliding groove, a sliding block, a second elastic member and a blocking rod;

The chute is opened on the inner side wall of the placing slot along the up-down direction and the upper end penetrates to the upper end surface of the chassis; the fan-shaped sliding slot is opened on the inner side wall of the placing slot and communicated with the side wall of the chute; The sliding block is fixed on the outer wall of the box, can slide in the sliding groove along the up-down direction, and can rotate in the circumferential direction and slide to the fan-shaped sliding groove; the second elastic member is fixed on the sliding groove the bottom wall of the groove; the blocking rod is slidably connected in the chute along the up-down direction, the lower end is fixed on the second elastic member, and the upper end is provided with an inclined surface facing the fan-shaped sliding groove.

Preferably, the anti-drop mechanism includes: a blocking block, a blocking slot and a drive assembly; the blocking block is detachably fixed on the lower end of the box body; the blocking groove is opened on the bottom wall of the placing groove; the The drive assembly is fixed in the card slot, and the drive assembly drives the card block to lock in the card slot or unlock from the card slot.

Preferably, the drive assembly includes: a snap block and a third elastic member; the snap block is hooked and fitted with the snap block and is slidably connected to the bottom wall of the snap slot along the left-right direction; One end of the third elastic piece is fixed on the left end of the clamping block, and the other end is fixed on the left inner wall of the clamping slot; the side of the clamping block facing the third elastic piece is provided with a first inclined surface, and the clamping block is provided with a first inclined surface. The connecting block is provided with a second inclined surface parallel and opposite to the first inclined surface.

Preferably, the drive assembly further comprises: an elastic cord and a pull ring; a cord-passing hole extending to the side wall of the chassis is provided on the left inner wall of the clip slot to the left; one end of the elastic cord is fixed on the snap connection On the left side of the block, the other end is connected to the pull ring through the rope hole.

Preferably, first lifting tabs are oppositely arranged on both sides of the upper end face of the chassis; second lifting tabs are oppositely arranged on both sides of the upper end face of the box body; the lower end of the cover body is inherently threadedly connected to the inner wall of the box body bumps at the top.

The beneficial effects of the present invention are:

One: when cryopreserving the intervertebral disc obtained through organ donation, first, open the lid, add cryo-preservation solution into the box, and then put the intervertebral disc into the box; secondly, put the box into the placement slot of the chassis; Finally, put the chassis into the liquid nitrogen tank to achieve cryopreservation of the intervertebral disc. Compared with the prior art, the present invention, through the above setting, provides a container specially used for placing the intervertebral disc, and achieves the purpose of facilitating the cryopreservation of the intervertebral disc;

Second: through the setting of the transparent sheet, the base sheet and the QR code, the basic information of the donor of the intervertebral disc contained in the box can be obtained by scanning the 2-digit code, such as the blood type of the donor and the size of the intervertebral disc. size, etc., so that the intervertebral disc can be accurately taken from the intervertebral disc bank during allogeneic intervertebral disc transplantation, and rewarmed for use.

Description of drawings

Fig. 1 is the structural representation of the intervertebral disc;

2 is a schematic structural diagram of a first viewing angle of Embodiment 1;

Fig. 3 is the structural representation of box body;

4 is a schematic structural diagram of a second viewing angle of Embodiment 1;

Fig. 5 is the enlarged structure schematic diagram of A place in Fig. 4;

6 is a schematic structural diagram of the anti-drop mechanism in the second embodiment;

FIG. 7 is a schematic diagram showing the structure of the anti-drop mechanism in the third embodiment.

The realization, functional characteristics and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Wherein, 10, chassis; 101, placement slot; 102, first tab; 20, box body; 30, cover body; 301, second tab; 302, bump; 401, transparent sheet; 402, substrate; 501, fixed pipe; 502, ring sleeve; 503, connecting rod; 504, transparent baffle; 505, limiting component; 5051, through groove; 5052, top plate; 5053, sliding plate; 5054, first elastic part; 5055, Limiting rod; 5056, first bayonet; 5057, second bayonet; 601, chute; 602, sector sliding groove; 603, slider; 604, second elastic piece; 605, blocking rod; 6051, tilt 701, clamping block; 702, clamping slot; 7031, clamping block; 7032, third elastic piece; 7033, elastic rope; 7034, pull ring; 801, sliding groove; 802, sliding block.

Detailed ways

The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, so as to understand the essence of the present invention more clearly and intuitively.

Example 1:

As shown in FIG. 1 , the length L of the intervertebral disc is about 60 mm, the width W of the intervertebral disc is about 41 mm, and the height of the intervertebral disc is about 15 mm.

As shown in FIG. 2 and FIG. 3 , an intervertebral disc organ cryopreservation box provided by the present invention includes a base plate 10 , a box body 20 and a cover body 30 . The upper end surface of the chassis 10 is provided with a placement slot 101, and the placement slot 101 is used to accommodate the box body 20; the upper end of the box body 20 is formed as an opening; the cover body 30 is closed at the opening of the box body 20; . The freezing medium included: 10% DMSO (dimethyl sulfoxide), 80% DMEM (medium), and 10% FBS (fetal bovine serum).

In this embodiment, the volume of the box body 20 is set to 3 times the volume of the intervertebral disc; in other embodiments, the volume of the box body 20 may also be set to 2 times, 2.5 times, 3.5 times or 4 times the volume of the intervertebral disc. Preferably, the five placement slots 101 are arranged in a circle with the axis of the chassis 10 as the center and are evenly spaced on the upper end surface of the chassis 10, and the box body 20 and the placement slots 101 are the same in number; in other embodiments, the placement slots 101 and The number of box bodies 20 can also be set to four.

As shown in FIG. 3 , in order to facilitate knowing the relevant information of the intervertebral disc accommodated in the box body 20 , the present invention is provided with: a transparent sheet 401 and a base sheet 402 .

The transparent sheet 401 is in the shape of a rectangle and is transparent. The three sides of the transparent sheet 401 are fixed on the upper end surface of the cover body 30, a cavity is formed between the transparent sheet 401 and the cover body 30, and the base sheet 402 is placed in the cavity; the transparent sheet 401 An opening for the base sheet 402 to be inserted into or withdrawn from the cavity is formed between the other side of the base sheet 402 and the cover body 30; the upper end face of the base sheet 402 is provided with a two-dimensional code, and the two-dimensional code is associated with the intervertebral disc accommodated in the box body 20. The basic information of the donor and the size of the intervertebral disc, the basic information of the donor is mainly the blood type of the donor, etc. By scanning the two-dimensional code on the substrate 402, the donor information of the intervertebral disc accommodated in the box body 20 and the size of the intervertebral disc can be known.

4 and 5, in order to prevent the box body 20 from falling out of the placing groove 101 after being put into the placing groove 101, the present invention is provided with an anti-dropping mechanism. The anti-dropping mechanism is fixed on the chassis 10 , and the anti-dropping mechanism is used to prevent the box body 20 from falling out of the placing groove 101 after being placed in the placing groove 101 .

The anti-drop mechanism includes: a fixed tube 501 , a ring sleeve 502 , a connecting rod 503 , a transparent baffle 504 and a limiting component 505 .

The fixing tube 501 is arranged in the up-down direction, the lower end of the fixing tube 501 is fixed on the upper end surface of the chassis 10, and the fixing tube 501 is arranged coaxially with the chassis 10; the annular sleeve 502 is slidably sleeved on the outer wall of the fixing tube 501 in the up-down direction, and the annular sleeve The inner diameter of the 502 is equal to the outer diameter of the fixed tube 501; the connecting rods 503 are arranged horizontally, and the five connecting rods 503 are arranged evenly spaced along the circumference of the outer wall of the annular sleeve 502, and the ends of the five connecting rods 503 are respectively fixed on the annular sleeve 502. On the outer wall; the transparent baffles 504 are arranged horizontally, and the five transparent baffles 504 are respectively fixed on the side of the five connecting rods 503 away from the ring sleeve 502; The distance is smaller than the vertical distance between the end of the transparent baffle 504 far away from the fixed pipe 501 and the fixed pipe 501; The vertical distance between one end and the fixed tube 501 ; the restricting component 505 is fixed on the fixed tube 501 , and the restricting component 505 is used to restrict the rotation of the annular sleeve 502 after the five transparent baffles 504 face the five placement grooves 101 respectively.

After the box body 20 is put into the placement slot 101, the ring sleeve 502 is rotated until the five transparent baffles 504 are rotated to face the five placement slots 101, and the limiting component restricts the rotation of the annular sleeve 502 to prevent the box The purpose of the body 20 falling out of the placing groove 101 after being placed in the placing groove 101 .

4 and 5 , the limiting assembly 505 includes: a through groove 5051 , a top plate 5052 , a sliding plate 5053 , a first elastic member 5054 , a limit rod 5055 , a first bayonet 5056 and a second bayonet 5057 .

The two-way grooves 5051 are oppositely opened on both sides of the inner wall of the fixed pipe 501. The two-way grooves 5051 are correspondingly penetrated to the outer wall of the fixed pipe 501 and are arranged in the up and down direction; the top plate 5052 is fixed on the upper end of the fixed pipe 501; The upper end of the first elastic member 5054 is fixed on the lower end of the top plate 5052, and the lower end of the first elastic member 5054 is fixed on the upper end of the sliding plate 5053; the two limit rods 5055 are correspondingly connected to the two through grooves 5051 slidably in the up and down direction. Inside, the first ends of the two limit rods 5055 are relatively fixed on both sides of the outer wall of the sliding plate 5053, and the second ends of the two limit rods 5055 pass through the two through grooves 5051 correspondingly; The two sides of the upper end face are oppositely opened and correspondingly fitted with the two limit rods 5055; the two second bayonet openings 5057 are oppositely opened on the other two sides of the upper end face of the ring sleeve 502 and are correspondingly clamped with the two limit rods 5055 Connect to fit. When the two limit rods 5055 are correspondingly clamped at the two first bayonets 5056, the five transparent baffles 504 face the five placement slots 101 respectively; when the two limit rods 5055 are correspondingly clamped at the two second bayonets 5057 At the time, the five transparent baffles 504 are respectively located beside the five placement slots 101 . Preferably, the first elastic member 5054 is configured as a spring.

When rotating the ring sleeve 502, first, slide the two limit rods 5055 upward along the two through grooves 5051 until the lower ends of the two limit rods 5055 are spaced from the upper end of the ring sleeve 502, and drive the sliding plate 5053 to slide upward along the inner wall of the fixed tube 501 , compress the first elastic member 5054; secondly, rotate the ring sleeve 502 until the five transparent baffles 504 are correspondingly rotated to face the five placement slots 101, release the limit rod 5055, and the first elastic member 5054 has its own resilience Under the action of the sliding plate 5053, the sliding plate 5053 is driven to slide down along the inner wall of the fixed tube 501, and the two limit rods 5055 are driven to slide down along the two through grooves 5051, until the two limit rods 5055 are correspondingly clamped at the two first bayonets 5056. The rotation of the annular sleeve 502 can be restricted.

When rotating the ring sleeve 502, first, slide the two limit rods 5055 upward along the two through grooves 5051 until the lower ends of the two limit rods 5055 are spaced from the upper end of the ring sleeve 502, and drive the sliding plate 5053 to slide upward along the inner wall of the fixed tube 501 , compress the first elastic member 5054; secondly, rotate the ring sleeve 502 until the five transparent baffles 504 are correspondingly rotated to the side of the five placement slots 101, release the limit rod 5055, and the first elastic member 5054 has its own resilience The sliding plate 5053 is driven to slide down along the inner wall of the fixing tube 501 under the action of the swivel, and the two limit rods 5055 are driven to slide down along the two through grooves 5051 until the two limit rods 5055 are correspondingly clamped at the two second bayonets 5057. The rotation of the annular sleeve 502 can be restricted.

Preferably, two sides of the upper end surface of the chassis 10 are oppositely provided with first lifting tabs 102 to facilitate the movement of the chassis 10 ;

Embodiment 2:

As shown in FIG. 6 , the difference from the first embodiment is that the anti-drop mechanism includes: a sliding groove 601 , a fan-shaped sliding groove 602 , a sliding block 603 , a second elastic member 604 and a blocking rod 605 .

The chute 601 is opened on the inner side wall of the placement slot 101 in the up-down direction, and the upper end of the chute 601 penetrates to the upper end face of the chassis 10; The sliding block 603 is fixed on the outer wall of the box body 20, the sliding block 603 can slide in the chute 601 in the up-down direction, the sliding block 603 can rotate circumferentially and slide to the fan-shaped sliding groove 602, and the sliding block 603 can go around the placement groove The axis of 101 slides in the fan-shaped sliding groove 602; the second elastic member 604 is fixed on the bottom wall of the sliding groove 601; the blocking rod 605 is slidably connected in the sliding groove 601 in the up and down direction, and the lower end of the blocking rod 605 is fixed on the second elastic On the component 604 , the upper end of the blocking rod 605 is provided with an inclined surface 6051 facing the fan-shaped sliding groove 602 .

Preferably, the upper end of the inclined surface 6051 is flush with the upper end of the fan-shaped sliding groove 602, and the lower end of the inclined surface 6051 is flush with the lower end of the fan-shaped sliding groove 602; the second elastic member 604 is configured as a spring.

When putting the box body 20 into the placement slot 101, first, align the slider 603 with the chute 601, then put the box body 20 into the placement slot 101, drive the slider 603 to slide down along the chute 601, and slide the The block 603 pushes the blocking rod 605 to slide down, and the blocking rod 605 compresses the second elastic member 604; after the box body 20 is placed in the placing slot 101, the slider 603 faces the sector-shaped sliding slot 602; secondly, the box body 20 is rotated to drive the sliding The block 603 slides into the fan-shaped sliding groove 602 from the sliding groove 601. At this time, under the action of the resilience of the second elastic member 604, the blocking rod 605 is driven to slide upward until the inclined surface 6051 faces the fan-shaped sliding groove 602. .

When the box body 20 is taken out from the placement slot 101, first, the box body 20 is rotated to drive the slider 603 to slide into the slot 601 from the fan-shaped sliding slot 602 to rotate. During this process, the lower left end of the slider 603 is inclined along the The surface 6051 slides, thereby driving the blocking rod 605 to slide down and compress the second elastic member 604 until the slider 603 slides into the chute 601; secondly, take out the box body 20 upward, drive the slider 603 to slide up along the chute 601 and Slide out from the upper end of the chute 601 . Through the above setting, the purpose of preventing the box body 20 from falling out of the placing groove 101 after being placed in the placing groove 101 is achieved.

In this embodiment, through the above settings, the same effect as the anti-drop mechanism in the first embodiment is achieved.

Embodiment three:

As shown in FIG. 7 , the difference from the first embodiment is that the anti-drop mechanism includes: a clamping block 701 , a clamping slot 702 and a driving assembly.

The clamping block 701 is hook-shaped, and the clamping block 701 is detachably fixed on the lower end of the box body 20; the clamping slot 702 is opened on the bottom wall of the placing slot 101; The lock is released from the slot 702 or from the card slot 702 .

Preferably, the upper end of the clamping block 701 is threadedly connected to the lower end of the box body 20. After the clamping block 701 is unscrewed from the box body 20, the box body 20 can be placed on the operating table stably.

The driving assembly includes: a clamping block 7031 , a third elastic member 7032 , an elastic cord 7033 and a pull ring 7034 .

The clamping block 7031 is in the shape of a barb, the clamping block 7031 is hooked and fitted with the clamping block 701, and the clamping block 7031 is slidably connected to the bottom wall of the clamping slot 702 along the left and right directions; one end of the third elastic member 7032 is fixed on the The left end of the clamping block 7031 is fixed on the left inner wall of the clamping slot 702; the side of the clamping block 701 facing the third elastic member 7032 is provided with a first inclined surface, and the clamping block 7031 is provided with a second inclined surface parallel and opposite to the first inclined surface. Inclined surface; the left inner wall of the card slot 702 is provided with a rope hole passing through the side wall of the chassis 10 to the left; one end of the elastic rope 7033 is fixed on the left side of the clamping block 7031, and the other end of the elastic rope 7033 passes through the rope hole and the pull ring 7034 is connected.

Preferably, the third elastic member 7032 is a spring; the bottom wall of the clamping slot 702 is provided with a sliding slot 801 along the left and right direction, and the lower end of the clamping block 7031 is fixed with a sliding block 802 slidably connected in the sliding slot 801 along the left and right direction.

When the clamping block 701 is locked, the clamping block 701 is inserted into the clamping slot 702, the first inclined surface abuts the second inclined surface, the clamping block 701 presses the clamping block 7031, the first inclined surface slides along the second inclined surface, and drives the clamping block 7031 to move toward Slide and compress the third elastic member 7032 to the left until the first inclined surface is below the second inclined surface, and then, under the action of the resilience of the third elastic member 7032, the engaging block 7031 is driven to slide to the right and hooked with the engaging block 701 , the locking block 701 can be locked.

When the clamping block 701 is unlocked, pull the pull ring 7034 to the left, pull the clamping block 7031 through the elastic cord 7033 and slide it to the left until the clamping block 7031 is separated from the clamping block 701, then the clamping block 701 can be pulled from the clamping slot 702 After leaving, the unlocking of the card block 701 is convenient and easy.

Preferably, the lower end of the cover body 30 is inherently screwed to the protrusion 302 on the upper end of the inner wall of the box body 20 to ensure the sealing between the cover body 30 and the box body 20 .

In this embodiment, the same effect as that of the first embodiment is achieved through the above settings.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other related All technical fields are similarly included in the scope of patent protection of the present invention.

Claims (10)

1. a cryopreservation box for intervertebral disc organs, is characterized in that, comprising: chassis, the box body and the cover body in order to accommodate intervertebral disc; The upper end face of described chassis is provided with the placement groove to accommodate described box body; The upper end of the box body is formed with an opening; the cover body is covered at the opening of the box body; the box body contains the freezing liquid; the volume of the box body is 2 to 4 times the volume of the intervertebral disc. 2. The intervertebral disc organ cryopreservation box according to claim 1, further comprising a transparent sheet and a base sheet; the transparent sheet is fixed on the upper end surface of the cover body and forms a cavity with the cover body The substrate is placed in the cavity; an opening is formed between the transparent sheet and the cover for the substrate to extend into or withdraw from the cavity; the upper end surface of the substrate is provided with a two-dimensional The two-dimensional code is associated with the basic information of the donor of the intervertebral disc accommodated in the box and the size of the intervertebral disc. 3. The intervertebral disc organ cryopreservation box according to claim 2, further comprising an anti-dropping mechanism; the anti-dropping mechanism is fixed on the chassis and used to prevent the box body from being placed in the placement groove after being placed in the placement groove. out of the slot. 4. The intervertebral disc organ cryopreservation box according to claim 3, wherein the anti-drop mechanism comprises: a fixed tube, a ring sleeve, a connecting rod, a transparent baffle plate and a restriction assembly; The fixing tube is arranged in the up-down direction, and its lower end is fixed on the upper end surface of the chassis and is arranged coaxially with the chassis; the annular sleeve is slidably sleeved on the outer wall of the fixing tube along the up-down direction; the connection The rod is arranged horizontally and the end is fixed on the outer wall of the annular sleeve; the transparent baffle is arranged horizontally and fixed on the side of the connecting rod away from the annular sleeve; the limiting component is fixed on the fixing pipe and used to limit the rotation of the annular sleeve after the transparent baffle is facing the placement groove; After the box body is put into the placement slot, rotate the annular sleeve until the transparent baffle is rotated to face the placement slot, and the limiting component restricts the rotation of the annular sleeve to prevent the The box body falls out from the placement slot after being put into the placement slot. 5. The intervertebral disc organ cryopreservation box according to claim 4, wherein the limiting component comprises: a through slot, a top plate, a sliding plate, a first elastic member, a limit rod, a first bayonet and a second clip mouth; The two through grooves are oppositely arranged on the two sides of the inner wall of the fixed tube, corresponding to the outer wall of the fixed tube and arranged in the up-down direction; the top plate is fixed on the upper end of the fixed tube; the sliding plate is movable in the up-down direction. The upper end of the first elastic member is fixed to the lower end of the top plate, and the lower end is fixed to the upper end of the sliding plate; the two limit rods are slidably connected to the two In the through groove, the first end is oppositely arranged on both sides of the outer wall of the sliding plate, and the second end passes through the two through grooves correspondingly; the two first bayonet openings are opposite on both sides of the upper end surface of the annular sleeve The two second bayonets are opened on the other two sides of the upper end face of the ring sleeve and are correspondingly clamped and fitted with the two limit rods. match; When the two limit rods are correspondingly clamped at the two first bayonets, the transparent baffle is facing the placement slot; when the two limit rods are correspondingly clamped at the two second clips At the mouth, the transparent baffle is located beside the placing slot. 6. The intervertebral disc organ cryopreservation box according to claim 3, wherein the anti-drop mechanism comprises: a chute, a fan-shaped sliding slot, a slider, a second elastic member and a blocking rod; The chute is opened on the inner side wall of the placing slot along the up-down direction and the upper end penetrates to the upper end surface of the chassis; the fan-shaped sliding slot is opened on the inner side wall of the placing slot and communicated with the side wall of the chute; The sliding block is fixed on the outer wall of the box, can slide in the sliding groove along the up-down direction, and can rotate in the circumferential direction and slide to the fan-shaped sliding groove; the second elastic member is fixed on the sliding groove the bottom wall of the groove; the blocking rod is slidably connected in the chute along the up-down direction, the lower end is fixed on the second elastic member, and the upper end is provided with an inclined surface facing the fan-shaped sliding groove. 7. The intervertebral disc organ cryopreservation box according to claim 3, wherein the anti-drop mechanism comprises: a blocking block, a blocking groove and a drive assembly; the blocking block is detachably fixed on the lower end of the box body ; the card slot is opened on the bottom wall of the placement slot; the drive assembly is fixed in the card slot, and the drive assembly drives the block to lock in the card slot or release from the card slot locking. 8. The intervertebral disc organ cryopreservation box according to claim 7, wherein the drive assembly comprises: a snap block and a third elastic member; the snap block is hooked and fitted with the snap block and It is slidably connected to the bottom wall of the card slot along the left and right directions; one end of the third elastic member is fixed on the left end of the card connecting block, and the other end is fixed on the left inner wall of the card slot; the card block faces the One side of the third elastic member is provided with a first inclined surface, and the engaging block is provided with a second inclined surface parallel and opposite to the first inclined surface. 9. The intervertebral disc organ cryopreservation box according to claim 8, wherein the drive assembly further comprises: an elastic cord and a pull ring; the left inner wall of the clamping slot is provided with a left inner wall extending through to the side wall of the chassis. A rope passage hole; one end of the elastic rope is fixed on the left side of the clamping block, and the other end is connected to the pull ring through the rope passage hole. 10. The intervertebral disc organ cryopreservation box according to claim 1, characterized in that, both sides of the upper end surface of the chassis are relatively provided with first lifting loops; both sides of the upper end surface of the box body are relatively provided with second lifting loops. A loop; the lower end of the cover body is inherently screwed to the protruding block at the upper end of the inner wall of the box.

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