Light guide strip traction assembly for isolated organ preservation device

Abstract

The utility model relates to the technical field of isolated organ preservation, in particular to a light guide strip traction assembly for an isolated organ preservation device, which comprises a box body, a first base is arranged on the side wall of the box body, a second base is arranged on the first base in a sliding manner, and the ends of a light source and a light guide strip are fixed on the second base. The first base is provided with an adjusting rod, the adjusting rod is used for adjusting the position of the second base in the length direction of the first base so as to adjust the distance between the second base and the side wall of the box body, the first base is further provided with a first adjusting assembly, the first adjusting assembly is matched with a bearing piece, and the bearing piece is used for bearing the light guide strip. The first adjusting assembly is used for adjusting the position of the bearing piece so that the bearing piece can move in the length direction of the first base. According to the light guide strip traction assembly, the convenience of adjusting the traction state of the light guide strip on the isolated organ can be improved, so that an operator can adjust the traction degree of the light guide strip on the isolated organ outside the box body.

Description

Technical Field

[0001] The utility model relates to the technical field of in vitro organ preservation, in particular to a light guide strip traction component used in an in vitro organ preservation device. Background Art

[0002] Currently, due to the particularity of lung transplantation, the donor and recipient are often not in the same surgical area or even in the same city. Therefore, it is usually necessary to preserve the ex vivo organs and then transport the preserved ex vivo organs.

[0003] There is a preservation device in the prior art, with application number CN202311480309.0, and the invention name is a Chinese patent for an isolated organ preservation device, which includes a shell and a storage container; a light source is provided on the inner wall of the shell, and the light source is connected to a light guide bar, and the light guide bar includes an insertion portion; a limiting device is provided on the light guide bar, and the limiting device includes a first matching component and a second matching component, and the first matching component includes a first sleeve and a support member, and a plurality of support members are distributed around the central axis of the first sleeve, and an angle α is formed between the support member and the central axis of the first sleeve, and the angle α is 10°-80°, and the opening direction of the angle α is away from the insertion portion; the light guide bar and the limiting device cooperate to lift the isolated organ. Although the light guide bar on the current isolated organ preservation device can lift the isolated organ when combined with the limiting device to reduce the contact area and degree between the isolated organ and the bottom of the area for placing the isolated organ in the storage container, during actual use, the inventor found that the current isolated organ preservation device still has shortcomings, specifically:

[0004] In this isolated organ storage device, the light guide bar limits the position of the isolated organ, reducing the contact area between the isolated organ and the inner wall of the storage container, thereby increasing the contact between the surface of the isolated organ and the cell activation fluid. When the light guide bar pulls the isolated organ, the light guide bar can be appropriately relaxed to increase the range of movement of the isolated organ when pulled by the light guide bar. This facilitates the swaying of the suspended isolated organ in the cell activation fluid during transportation, increases the fluidity of the cell activation fluid in the storage container, and facilitates the action of the cell activation fluid on the isolated organ.

[0005] However, on bumpy roads, when the light guide bar is in a properly relaxed state, although the range of movement of the isolated organ when being pulled by the light guide bar can be increased, the bumpy road can further aggravate the degree of movement of the isolated organ, and the violent movement of the isolated organ will cause the light guide bar to be impacted by the isolated organ to increase, increasing the risk of failure of the light guide bar to limit the isolated organ. At the same time, in the isolated organ preservation device, the light guide bar is arranged inside the shell. When the isolated organ is transported, a cover is provided on the shell to form a closed cavity, so that the light guide bar located in the shell is separated from the external environment. During transportation, it is difficult for medical staff to adjust the light guide bar located in the shell, and thus it is difficult to adjust the pulling state of the light guide bar on the isolated organ, and thus it is difficult to tighten or loosen the light guide bar, and it is difficult to adjust the pulling state of the isolated organ by the light guide bar on bumpy roads or flat roads.

[0006] Therefore, based on the above-mentioned deficiencies, there is an urgent need to design a light guide bar traction assembly for an in vitro organ preservation device to improve the convenience of adjusting the pulling state of the in vitro organ by the light guide bar. Utility Model Content

[0007] The purpose of the present utility model is to provide a light guide bar traction assembly for an in vitro organ preservation device, so as to improve the convenience of adjusting the traction state of the light guide bar on the in vitro organ, in order to address the shortcomings of the current in vitro organ preservation device in actual use, such as the difficulty in adjusting the light guide bar located in the shell during transportation and the difficulty in adjusting the traction state of the light guide bar on the in vitro organ.

[0008] In order to achieve the above-mentioned purpose of the utility model, the utility model provides the following technical solutions:

[0009] A light guide strip traction assembly for an in vitro organ preservation device comprises a box body, wherein the box body is used to place in vitro organs and cell active fluid, a first base is provided on the side wall of the box body, a second base is slidably provided on the first base, the ends of the light source and the light guide strip are fixed on the second base, an adjustment rod is provided on the first base, one end of the adjustment rod is connected to the second base, and the other end is located outside the box body, the adjustment rod is used to adjust the position of the second base along the length direction of the first base to adjust the distance between the second base and the side wall of the box body, a first adjustment assembly is also provided on the first base, the first adjustment assembly is adapted to be equipped with a supporting member, the supporting member is used to support the light guide strip, and the first adjustment assembly is used to adjust the position of the supporting member so that the supporting member moves along the length direction of the first base.

[0010] As the preferred technical solution of this application, a first slide groove is provided on the first base, and the first adjustment component includes a first slider and a first spring. The first slider is adapted to the first slide groove, and the length direction of the first slide groove is in the same direction as the length direction of the first base. One end of the first spring is connected to the first slider, and the other end is connected to the supporting member. By moving the first slider along the length direction of the first slide groove, the position of the supporting member along the length direction of the first base can be adjusted.

[0011] As the preferred technical solution of this application, the first adjustment component also includes a first adjustment member, one end of which is rotatably connected to the first slider, and the other end is located on the outside of the box body. The first adjustment member is threadedly connected to the first base, and is used to move the first adjustment member and the first slider along the length direction of the first base by rotating the first adjustment member relative to the first base.

[0012] As a preferred technical solution of the present application, a first cylindrical through hole is provided on the supporting member, and the light guide bar passes through the first through hole.

[0013] As the priority technical solution of this application, two first sliding grooves are provided on the first base, and the two first sliding grooves are arranged opposite to each other relative to the central axis of the first base. One of the first sliding grooves is located on the first base near the bottom of the box body, and the two first sliding grooves are distributed vertically. A single first sliding groove corresponds to a single first slider and a single first spring.

[0014] As the preferred technical solution of this application, the second base includes a second main base and a second sub-base, the second main base and the second sub-base are connected by a second spring, the ends of the light source and the light guide strip are both arranged on the second sub-base, and the second main base is connected to the adjustment rod.

[0015] As a preferred technical solution of the present application, a first cavity is provided on the first base, and the second main base is slidably fitted in the first cavity.

[0016] As a preferred technical solution of the present application, there is a distance n between any point on the side wall of the first cavity and the second sub-base, and the distance n>0.

[0017] As the priority technical solution of this application, a second through hole is provided on the first base, and a rubber pad is provided on the side wall of the second through hole. The rubber pad is elastic, and the adjusting rod passes through the second through hole, and the rubber pad is squeezed by the adjusting rod. By moving the adjusting rod relative to the second through hole along the length direction of the adjusting rod, the second base is driven to move along the length direction of the first base.

[0018] As the preferred technical solution of this application, the light guide strip traction assembly also includes a cover body, which is detachably connected to the box body. The cover body is used to seal the box body, and the cover body and the box body can be connected by a snap fastener. The specific connection method is existing technology, so it will not be repeated here.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. In the solution of the present application, the adjusting rod can adjust the position of the second base along the length direction of the first base to adjust the distance between the second base and the side wall of the box body, and further adjust the distance between the light source and the light guide bar and the side wall of the box body. When the other end of the light guide bar is pulling the isolated organ, by adjusting the distance between the light guide bar and the side wall of the box body, the tightness of the light guide bar pulling the isolated organ and the height of the isolated organ can be adjusted. At the same time, the first adjusting component can adjust the position of the supporting member to adjust the position of the supporting member along the length direction of the first base, so as to facilitate the adjustment of the pulling angle of the light guide bar when pulling the isolated organ, so that the light guide bar pulls the isolated organ from directly above or obliquely above the isolated organ, so that during the transportation of the isolated organ, When encountering a flat road section, the position of the second base and the supporting member is adjusted to appropriately loosen the light guide bar, thereby increasing the range of movement of the isolated organ when being pulled by the light guide bar, thereby increasing the fluidity of the cell active liquid in the box body. When encountering a bumpy road section, the position of the second base and the supporting member is adjusted again to tighten the light guide bar, thereby reducing the range of movement of the isolated organ when being pulled by the light guide bar, thereby reducing the degree of shaking of the isolated organ and reducing the risk of collision between the isolated organ and the inner wall of the box body. In the application, when adjusting the position of the second base, one end of the adjustment rod is located outside the box body, so that the operator can adjust the degree of pulling of the isolated organ by the light guide bar outside the box body without opening the cover of the box body, which is more conducive to the transportation of the isolated organ.

[0021] 2. Furthermore, by providing a first slider and a first spring, the first slider is adapted to the first slide groove, and the first slider and the supporting member are connected via the first slider. This facilitates adjustment of the supporting member's position along the length of the first base when the first slider is adjusted, thereby improving the stability of the support member's position adjustment. Furthermore, when the supporting member supports the light guide bar, the first spring can bend and deform to act as a buffer. This can reduce the shaking amplitude of the isolated organ when encountering bumpy roads, thereby reducing the impact force on the isolated organ and reducing the risk of damage to the isolated organ.

[0022] 3. Furthermore, by providing a second main base, a second sub-base and a second spring, when the positions of the two first sliders are adjusted to adjust the inclination angle α of the supporting member relative to the first base, the second spring can be deformed so that the second sub-base can move relative to the second main base to reduce the degree of bending of the end portion of the light guide bar for connection to the light source, thereby avoiding excessive bending of the light guide bar, improving the durability of the light guide bar, and avoiding damage to the light guide bar due to excessive bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural schematic diagram of one embodiment of a light guide strip pulling assembly for an in vitro organ preservation device of the present application;

[0024] Figure 2 This is a partial structural diagram of one embodiment of a light guide strip pulling assembly for an in vitro organ preservation device of the present application, located at the first base and the second base;

[0025] Figure 3 This is a partial structural diagram of one embodiment of a light guide strip pulling assembly for an in vitro organ preservation device of the present application, when the supporting member is in an inclined state;

[0026] Figure 4 This is a schematic diagram of the partial structure of a light guide strip pulling assembly for an in vitro organ preservation device according to one embodiment of the present application, located at the second through hole;

[0027] Indicated in the figure: 1-box body, 2-first base, 3-second base, 4-light source, 5-light guide bar, 6-adjusting rod, 7-first adjusting assembly, 8-supporting member, 9-first slide groove, 10-first slider, 11-first spring, 12-first adjusting member, 13-first through hole, 14-second main base, 15-second sub-base, 16-second spring, 17-first cavity, 18-second through hole, 19-rubber pad, 20-cover body. DETAILED DESCRIPTION

[0028] To make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them.

[0029] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the claimed invention, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions therein can be combined with each other.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0032] In the description of this utility model, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or the orientations or positional relationships in which the utility model product is typically placed when in use, or the orientations or positional relationships commonly understood by those skilled in the art. Such terms are intended solely to facilitate the description of this utility model and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" and the like are used solely for distinction and description and should not be construed as indicating or implying relative importance.

[0033] Example 1: This example provides a light guide strip 5 connection device for in vitro organ preservation, see Figures 1-4 As shown, it includes a box body 1, which is used to place in vitro organs and cell active fluid. A first base 2 is provided on the side wall of the box body 1, and a second base 3 is slidably provided on the first base 2. The ends of the light source 4 and the light guide strip 5 are fixed on the second base 3. An adjusting rod 6 is provided on the first base 2, one end of the adjusting rod 6 is connected to the second base 3, and the other end is located on the outside of the box body 1. The adjusting rod 6 is used to adjust the position of the second base 3 along the length direction of the first base 2 to adjust the distance between the second base 3 and the side wall of the box body 1. A first adjusting component 7 is also provided on the first base 2, and the first adjusting component 7 is adapted to be equipped with a supporting member 8. The supporting member 8 is used to support the light guide strip 5. The first adjusting component 7 is used to adjust the position of the supporting member 8 so that the supporting member 8 moves along the length direction of the first base 2.

[0034] In the present application, the adjusting rod 6 can adjust the position of the second base 3 along the length direction of the first base 2 to adjust the distance between the second base 3 and the side wall of the box body 1, and further adjust the distance between the light source 4 and the light guide bar 5 and the side wall of the box body 1. When the other end of the light guide bar 5 is pulling the isolated organ, by adjusting the distance between the light guide bar 5 and the side wall of the box body 1, the tightness of the light guide bar 5 pulling the isolated organ and the height of the isolated organ can be adjusted. At the same time, the first adjusting component 7 can adjust the position of the supporting member 8 to adjust the position of the supporting member 8 along the length direction of the first base 2, so as to facilitate the adjustment of the pulling angle of the light guide bar 5 when pulling the isolated organ, so that the light guide bar 5 can pull the isolated organ from directly above or obliquely above the isolated organ, thereby during the transportation of the isolated organ, When encountering a flat road section, the position of the second base 3 and the supporting member 8 is adjusted to appropriately loosen the light guide bar 5, thereby increasing the range of movement of the isolated organ when pulled by the light guide bar 5, thereby increasing the fluidity of the cell active fluid in the box body. When encountering a bumpy road section, the position of the second base 3 and the supporting member 8 is adjusted again to tighten the light guide bar 5, thereby reducing the range of movement of the isolated organ when pulled by the light guide bar 5, thereby reducing the degree of shaking of the isolated organ and reducing the risk of collision between the isolated organ and the inner wall of the box body. In the application, when adjusting the position of the second base 3, one end of its adjusting rod 6 is located outside the box body 1, so that the operator can adjust the degree of pulling of the isolated organ by the light guide bar 5 outside the box body 1 without opening the lid of the box body, which is more conducive to the transportation of the isolated organ.

[0035] As a preferred embodiment, on the basis of the above method, further, a first slide groove 9 is provided on the first base 2, and the first adjustment component 7 includes a first slider 10 and a first spring 11. The first slider 10 is adapted to the first slide groove 9, and the length direction of the first slide groove 9 is in the same direction as the length direction of the first base 2. One end of the first spring 11 is connected to the first slider 10, and the other end is connected to the supporting member 8. By moving the first slider 10 along the length direction of the first slide groove 9, the position of the supporting member 8 along the length direction of the first base 2 can be adjusted.

[0036] Furthermore, by providing a first slider 10 and a first spring 11, the first slider 10 is adapted to the first slide groove 9, and the first slider 10 and the supporting member 8 are connected through the first slider 10, so that when the position of the first slider 10 is adjusted, it is convenient to adjust the position of the supporting member 8 along the length direction of the first base 2, thereby improving the stability of adjusting the position of the supporting member 8. At the same time, when the supporting member 8 supports the light guide bar 5, the first spring 11 can bend and deform to play a buffering role. When suddenly encountering a bumpy road section, it can reduce the shaking amplitude of the isolated organ, thereby reducing the impact force on the isolated organ and reducing the risk of damage to the isolated organ.

[0037] As a preferred embodiment, on the basis of the above method, further, the first adjusting component 7 also includes a first adjusting member 12, one end of the first adjusting member 12 is rotatably connected to the first slider 10, and the other end is located on the outside of the box body 1, and the first adjusting member 12 is threadedly connected to the first base 2. By rotating the first adjusting member 12 relative to the first base 2, the first adjusting member 12 and the first slider 10 are moved along the length direction of the first base 2.

[0038] Furthermore, by setting the first adjusting member 12, one end of the first adjusting member 12 is located outside the box body 1, so that the operator can adjust the first adjusting member 12 outside the box body 1. When the operator controls the first adjusting member 12 and rotates the first adjusting member 12 relative to the first base 2, the first adjusting member 12 and the first slider 10 move along the length direction of the first base 2, thereby improving the convenience of adjusting the position of the supporting member 8.

[0039] As a preferred embodiment, based on the above embodiment, further, a first cylindrical through hole 13 is provided on the supporting member 8 , and the light guide bar 5 passes through the first through hole 13 .

[0040] Furthermore, by providing the first through hole 13 , the light guide bar 5 passes through the first through hole 13 , thereby improving the stability of the supporting member 8 in supporting the light guide bar 5 .

[0041] As a preferred embodiment, on the basis of the above method, further, two first slide grooves 9 are provided on the first base 2, and the two first slide grooves 9 are arranged opposite to each other relative to the central axis of the first base 2, and one of the first slide grooves 9 is located on the first base 2 near the bottom of the box body 1, and the two first slide grooves 9 are distributed vertically, and a single first slide groove 9 corresponds to a single first slider 10 and a single first spring 11.

[0042] Furthermore, by setting two first slide grooves 9, a single first slide groove 9 is adapted to a first spring 11 and a first adjustment member 12, so that the positions of the two first sliders 10 can be adjusted respectively, thereby facilitating the adjustment of the inclination angle α of the supporting member 8 relative to the first base 2, further improving the adjustment range of the pulling angle when the light guide bar 5 pulls the ex vivo organ.

[0043] Example 2: Based on the technical solution of Example 1, further, see Figures 1-4 As shown, the second base 3 includes a second main base 14 and a second sub-base 15, and the second main base 14 and the second sub-base 15 are connected by a second spring 16. The ends of the light source 4 and the light guide bar 5 are both arranged on the second sub-base 15, and the second main base 14 is connected to the adjustment rod 6.

[0044] Furthermore, by setting a second main base 14, a second sub-base 15 and a second spring 16, when the positions of the two first sliders 10 are adjusted to adjust the inclination angle α of the supporting member 8 relative to the first base 2, the second spring 16 can be deformed so that the second sub-base 15 can move relative to the second main base 14 to reduce the bending degree of the end of the light guide bar 5 for connecting to the light source 4, thereby avoiding excessive bending of the light guide bar 5, improving the durability of the light guide bar 5, and avoiding damage to the light guide bar 5 due to excessive bending.

[0045] As a preferred embodiment, on the basis of the above-mentioned manner, further, a first cavity 17 is provided on the first base 2 , and the second main base 14 is slidably matched with the first cavity 17 .

[0046] Furthermore, by providing the first cavity 17 , the second main base 14 and the first cavity 17 can be slidably matched, thereby improving the stability of adjusting the position of the second base 3 along the length direction of the first base 2 .

[0047] As a preferred embodiment, based on the above manner, further, there is a distance n between any point on the side wall of the first cavity 17 and the second sub-base 15, and the distance n>0.

[0048] Furthermore, the distance n between any point on the side wall of the first cavity 17 and the second sub-base 15 is greater than 0, thereby providing space for the second sub-base 15 to move relative to the second main base 14, which is more conducive to the second sub-base 15 being able to move relative to the second main base 14 to avoid excessive bending of the light guide bar 5.

[0049] As a preferred embodiment, on the basis of the above method, further, a second through hole 18 is provided on the first base 2, and a rubber pad 19 is provided on the side wall of the second through hole 18, and the rubber pad 19 is elastic. The adjusting rod 6 passes through the second through hole 18, and the rubber pad 19 is squeezed by the adjusting rod 6. By moving the adjusting rod 6 relative to the second through hole 18 along the length direction of the adjusting rod 6, the second base 3 is driven to move along the length direction of the first base 2.

[0050] Furthermore, an elastic rubber pad 19 is provided on the side wall of the second through hole 18, so that when the adjusting rod 6 passes through the second through hole 18, the rubber pad 19 is squeezed by the adjusting rod 6, thereby increasing the resistance of the adjusting rod 6 to the movement of the adjusting rod 6 relative to the second through hole 18 along the length direction of the adjusting rod 6. In this way, when the operator applies a force to the adjusting rod 6, the adjusting rod 6 can be moved relative to the second through hole 18. After the external human force is removed, the squeezed rubber pad 19 can fix the adjusting rod 6 relative to the second through hole 18. In this way, it is convenient to push and pull the adjusting rod 6 to adjust the position of the second base 3, thereby improving the convenience of adjusting the position of the second base 3. At the same time, when there is no human force, the stability of the position of the second base 3 can be improved, thereby improving the stability of the light guide bar 5 in pulling the isolated organ.

[0051] As a preferred embodiment, on the basis of the above method, further, the light guide strip 5 connecting device also includes a cover body 20, and the cover body 20 is detachably connected to the box body 1. The cover body 20 is used to seal the box body 1, and the cover body 20 and the box body 1 can be connected by snap fastening. The specific connection method is the existing technology, so it will not be repeated here.

[0052] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention are included in the scope of the claims of the present invention.

Claims

1. A light guide strip pulling assembly for an in vitro organ preservation device, characterized by: The invention comprises a box body, which is used to place in vitro organs and cell active fluid, a first base is provided on the side wall of the box body, a second base is slidably provided on the first base, the ends of the light source and the light guide strip are fixed on the second base, an adjusting rod is provided on the first base, one end of the adjusting rod is connected to the second base, and the other end is located outside the box body, the adjusting rod is used to adjust the position of the second base along the length direction of the first base to adjust the distance between the second base and the side wall of the box body, a first adjusting component is also provided on the first base, the first adjusting component is adapted to be equipped with a supporting member, the supporting member is used to support the light guide strip, and the first adjusting component is used to adjust the position of the supporting member so that the supporting member moves along the length direction of the first base.

2. The light guide strip pulling assembly for an in vitro organ preservation device according to claim 1, characterized in that: A first slide groove is provided on the first base, and the first adjustment component includes a first slider and a first spring. The first slider is adapted to the first slide groove, and the length direction of the first slide groove is in the same direction as the length direction of the first base. One end of the first spring is connected to the first slider, and the other end is connected to the supporting member. By moving the first slider along the length direction of the first slide groove, the position of the supporting member along the length direction of the first base can be adjusted.

3. The light guide strip pulling assembly for an in vitro organ preservation device according to claim 2, characterized in that: The first adjustment assembly also includes a first adjustment member, one end of which is rotatably connected to the first slider, and the other end is located outside the box body. The first adjustment member is threadedly connected to the first base, and is used to move the first adjustment member and the first slider along the length direction of the first base by rotating the first adjustment member relative to the first base.

4. The light guide strip pulling assembly for an in vitro organ preservation device according to claim 3, characterized in that: The supporting member is provided with a first cylindrical through hole, and the light guide bar passes through the first through hole.

5. The light guide strip pulling assembly for an in vitro organ preservation device according to claim 4, characterized in that: Two first sliding grooves are provided on the first base, and the two first sliding grooves are arranged opposite to each other relative to the central axis of the first base. One of the first sliding grooves is located on the first base close to the bottom of the box body. The two first sliding grooves are distributed vertically, and a single first sliding groove corresponds to a single first slider and a single first spring.

6. The light guide strip pulling assembly for an in vitro organ preservation device according to claim 5, characterized in that: The second base includes a second main base and a second sub-base, the second main base and the second sub-base are connected by a second spring, the ends of the light source and the light guide bar are both arranged on the second sub-base, and the second main base is connected to the adjustment rod.

7. The light guide strip pulling assembly for an in vitro organ preservation device according to claim 6, characterized in that: The first base is provided with a first cavity, and the second main base is slidably matched with the first cavity.

8. The light guide strip pulling assembly for an in vitro organ preservation device according to claim 7, characterized in that: There is a distance n between any point on the side wall of the first cavity and the second sub-base, and the distance n>0.

9. The light guide strip pulling assembly for an in vitro organ preservation device according to claim 8, characterized in that: A second through hole is provided on the first base, and a rubber pad is provided on the side wall of the second through hole. The rubber pad is elastic. The adjusting rod passes through the second through hole, and the rubber pad is squeezed by the adjusting rod. By moving the adjusting rod relative to the second through hole along the length direction of the adjusting rod, the second base is driven to move along the length direction of the first base.

10. The light guide strip pulling assembly for an in vitro organ preservation device according to claim 9, characterized in that: The light guide strip pulling assembly further comprises a cover body, which is detachably connected to the box body and is used to seal the box body.

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