Tissue tray low-temperature storing and taking device

Abstract

The utility model discloses a tissue holder low-temperature storing and taking device which comprises a box body, a conveying assembly, a cooling assembly and a disinfecting assembly are arranged in the box body, the conveying assembly comprises a conveying element and a conveying foot switch, and the conveying foot switch controls the conveying element to start and stop and drives a tissue holder placed on the conveying element to move in the box body; the cooling assembly comprises a cold end and a hot end, the cold end is arranged in the box body and forms a plurality of refrigeration heads for conducting temperature, and the refrigeration heads are close to the tissue holder to reduce the temperature of the tissue holder; the disinfection assembly comprises a plurality of groups of ultraviolet light-emitting elements arranged on the inner wall of the box body and a disinfection switch; the disinfection switch is linked with the box cover, and is switched off when the box cover is opened, so that the ultraviolet light-emitting element is switched off. The tissue holder is driven by the conveying assembly to move in the box body, cooling and disinfection are completed at a time in the process, the tissue holder with the longest disinfection time and the longest cooling time is output according to needs, and the tissue holder can be conveniently, rapidly and hygienically taken and used.

Description

Technical Field

[0001] The utility model relates to the field of medical testing equipment, in particular to a tissue support low-temperature storage and retrieval device. Background Art

[0002] Rapid intraoperative pathological diagnosis is an important emergency task in the pathology department, and is usually used to quickly evaluate lesions during surgery. This technology requires pathologists to analyze tissue samples in a short time (usually within 30 minutes) to determine their nature (benign or malignant) and type, thereby helping surgeons make further treatment decisions.

[0003] Therefore, when using a freezing microtome to freeze tissue samples and then slice them, a tissue tray is needed: the tissue tray is a flat pancake structure with several concentric ring protrusions on one end and a latch on the other end for easy fixation on the freezing microtome; when using it, first apply flowing embedding agent on the concentric rings, then place the tissue sample to be sliced, and then use the embedding agent to fix the tissue sample in a horizontal or vertical state relative to the end of the tissue tray, and then send it into the slicer to cut into slices of specific thickness for observation under a microscope.

[0004] In the above process, the embedding agent is required to stably fix the tissue. The embedding agent is a material that solidifies when it is cold. The only cold source in contact with the embedding agent is the tissue tray. Therefore, precooling the tissue tray to keep it at a low temperature is an essential workflow. In existing operations, regardless of whether there are tissue samples embedded in the tissue tray, the tissue tray is placed in a freezing microtome, which can easily lead to: when the tissue tray comes into contact with specimens of patients with infectious diseases, cross-infection is likely to occur; and empty tissue trays occupy the freezing area, resulting in confusion in the order of specimens and confusion in the correspondence between specimens and patients. Summary of the invention

[0005] The utility model aims to solve one of the technical problems in the above-mentioned technology at least to a certain extent. To this end, the purpose of the utility model is to provide a device for isolating and storing empty tissue trays separately, precooling them and quickly taking them out.

[0006] To achieve the above-mentioned purpose, the embodiment of the utility model provides a tissue support low temperature storage and retrieval device, comprising:

[0007] Box body: Open on both sides for tissue holders to enter and exit; with a lid on the top that can be opened and closed; with a conveying component, a cooling component and a disinfection component inside, including:

[0008] Conveying assembly: including a transmission element and a foot switch, wherein the foot switch controls the start and stop of the transmission element, and drives the tissue support placed on the transmission element to move in the box;

[0009] Cooling component: including a cold end and a hot end, the cold end is in the box and forms a plurality of temperature-conducting cooling heads, the cooling heads are close to the tissue support to reduce its temperature;

[0010] Disinfection assembly: comprising a plurality of groups of ultraviolet light emitting elements arranged on the inner wall of the box body, and a disinfection switch; the disinfection switch is linked with the box cover, and when the box cover is opened, the disinfection switch is disconnected to turn off the ultraviolet light emitting elements.

[0011] According to the tissue tray low-temperature storage and retrieval device of the embodiment of the utility model, the tissue tray is moved by the conveying assembly in the box body, and cooling and disinfection are completed at one time during the process. The tissue tray with the longest disinfection time and the longest cooling time is output according to demand, thereby realizing convenient, fast and hygienic retrieval.

[0012] In addition, the tissue support low temperature storage and retrieval device according to the above embodiment of the utility model may also have the following additional technical features:

[0013] Optionally, the box body has a three-layer structure: the innermost and outermost layers are medical stainless steel, and the middle layer is a heat-insulating material.

[0014] Optionally, a detachable curtain made of water-absorbing material is provided on the inner side of the opening.

[0015] Optionally, the transmission element includes a plurality of U-shaped wheels and a circular belt, the circular belt is sleeved on the U-shaped wheel, and the tissue support is transported on the circular belt.

[0016] Optionally, the cooling component is a semiconductor refrigeration structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A structural stereogram according to an embodiment of the utility model Figure 1 ;

[0018] Figure 2 A structural stereogram according to an embodiment of the utility model Figure 2 ;

[0019] Figure 3 It is a structural exploded view according to one embodiment of the utility model;

[0020] Figure 4 A three-dimensional diagram of a tissue support according to an embodiment of the utility model;

[0021] Figure 5 It is a side view of a tissue support according to one embodiment of the utility model.

[0022] Description of labels:

[0023] Box body 11 Box cover 12 Slope 13 Curtain 14

[0024] Conveyor component 2

[0025] Cooling component 3 Refrigeration head 31

[0026] Disinfection component 4

[0027] Tissue support 100. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0029] The tissue support of the utility model is driven by the conveying component in the box to move sequentially. During the process, the cooling component is cooled and the disinfection element is disinfected. The two procedures are completed at one time, and the tissue support can ensure the disinfection time and the cooling time according to the needs.

[0030] In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0031] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0032] Rapid intraoperative pathological diagnosis is an important emergency task in the pathology department, and is usually used to quickly evaluate lesions during surgery. This technology requires pathologists to analyze tissue samples in a short time (usually within 30 minutes) to determine their nature (benign or malignant) and type, thereby helping surgeons make further treatment decisions.

[0033] However, the existing intraoperative rapid freezing technology has many delays, which affects the pain points of diagnosis.

[0034] 1. In the process of making pathological frozen sections, pathologists need to place the processed tissues in a specific direction for embedding according to medical needs. When embedding, they need to first spread the embedding reagent on the bottom of the tissue tray, and then lay the tissue flat or vertically. The embedding reagents at room temperature are all liquid. During the process of placing the tissue tray in the freezer, pathologists and technicians cannot ensure that the tissue tray is completely horizontal, so the embedding reagents often overflow, and the vertical embedded tissues fall down, which directly causes the wrong direction after the slices are made, making it impossible to make a clear diagnosis, and the embedding reagents overflow, affecting the freezing effect and slowing down the slicing speed.

[0035] 2. In the work of pathological cryosectioning, we often encounter tissues with high water content. The tissue support at room temperature greatly prolongs the freezing time of the tissue and causes a large number of ice crystals to be produced during the freezing process. These ice crystals pierce the cells, causing unclear tissue structure, which will greatly affect the diagnosis of the pathologist after sectioning.

[0036] 3. In the existing intraoperative frozen pathology work procedure, if you want to pre-cool the tissue tray, you can only place the tissue tray in the freezing microtome. The main job of the freezing microtome is to slice. If you forcibly put the tissue tray in for pre-cooling, it will occupy the position of the tissue tray that needs to be sliced, making the tissue tray in the freezing microtome chaotic and unclear in order, resulting in unclear correspondence between the specimen and the patient.

[0037] 4. Tissue trays with tissues and tissue trays that have not been frozen are frozen in the same box. When the tissue trays come into contact with specimens from patients with infectious diseases, cross infection is likely to occur.

[0038] 5. After embedding directly on the room temperature tissue tray, the bottom of the tissue shrinks and the freezing glue overflows, which prolongs the freezing time and also affects the technician's slicing.

[0039] 6. After cleaning, the tissue tray is often stained with water from the sample collection table due to uncontrollable factors, which causes frost to form when the tissue tray is frozen, affecting the cold conduction between the tissue tray and the freezing table, and slowing down the refrigeration effect of the freezing table.

[0040] Therefore, how to design a convenient small tissue tray precooling device becomes an urgent problem to be solved.

[0041] Figures 1 to 5 A tissue tray 100 low temperature storage and access device according to an embodiment of the utility model comprises:

[0042] Box body 11: It is open on both sides for the tissue tray 100 to enter and exit; there is an openable and closable box cover 12 on the top; specifically, the box body 11 is a long strip structure, and the tissue tray 100 enters from one end, where it is sterilized, cooled and stored, and is output when needed. The box cover 12 is designed to facilitate the inspection of internal components, and when necessary, the tissue tray 100 can be directly placed in or taken out, which is convenient and quick.

[0043] The utility model can be placed directly on the material collection table for easy access. Specifically, the box body 11 can be a three-layer structure: the innermost and outermost layers are medical stainless steel, and the middle layer is a heat-insulating material. In the embodiment of the utility model, the external dimensions should not be too large to avoid occupying too much operating table area, but should not be too small. In addition to accommodating enough tissue trays 100 for pre-cooling, the internal components also need to choose existing mature solutions as much as possible to reduce customized devices.

[0044] The tissue tray 100 needs to be cleaned after use, and some moisture will remain on the surface after cleaning. Therefore, in some embodiments, a detachable curtain 14 made of a water-absorbing material is provided on the inner side of the opening. When the tissue tray 100 passes through, these curtains 14 can play a role in sweeping away water droplets on the surface of the tissue tray 100. The curtains 14 themselves are also easily contaminated, so it is necessary to be able to remove and replace them.

[0045] Slopes 13 are provided at the entrance and exit of the box body 11 to further facilitate the entry and exit of the organizer 100.

[0046] The box 11 is provided with a conveying component 2, a cooling component 3 and a disinfection component 4, wherein:

[0047] Conveying component 2: includes a transmission element and a foot switch, the foot switch controls the start and stop of the transmission element, and drives the tissue tray 100 placed on the transmission element to move in the box 11; the foot switch can be manually controlled, for example: using a foot switch, you do not need to touch the equipment with your hands to avoid contamination during operation, when the foot switch is pressed, the transmission element continues to move, thereby continuously driving the placed tissue tray 100 to the exit of the box, or it can be an automatic switch with a timer, which switches according to the set time, such as automatically outputting after completing the predetermined cooling and disinfection time.

[0048] Optionally, the transmission element includes a plurality of U-shaped wheels and circular belts. The circular belts are sleeved on the U-shaped wheels, and the tissue tray 100 is transported on the circular belts. Specifically, the rotating axes of the plurality of U-shaped wheels are arranged in parallel in a plane and are connected by circular belts. After the plurality of circular belts are arranged in a horizontal manner, the top surface forms a plane on which the tissue tray 100 can be placed.

[0049] By using the above solution, the tissue tray 100 can be transported to ensure that the tissue tray 100 discharged each time has the longest pre-cooling time, the lowest temperature, the longest sterilization time, and the highest cleanliness.

[0050] The advantage of adopting the above structure is that there are gaps between the belts, and the belts can also be made of light-transmitting materials.

[0051] Cooling component 3: includes a cold end and a hot end, the cold end is in the box 11, and forms a plurality of temperature-conducting cooling heads 31, the cooling heads 31 are close to the tissue support 100, and reduce its temperature; optionally, the cooling component 3 is a semiconductor cooling structure. The semiconductor cooling has the advantages of being silent and small in size, and is convenient for flexible arrangement of components in the box 11.

[0052] The cooling head 31 can be a metal part, extending from the cold end and inserted into the gap between the belts, so that when the tissue support 100 on the upper part of the belt moves or stops, the temperature of the tissue support 100 can be reduced. Of course, the cooling head 31 can also be set on the upper part of the conveying component 2 to maintain a low temperature around the tissue support 100.

[0053] Disinfection assembly 4: includes several groups of ultraviolet light emitting elements and a disinfection switch arranged on the inner wall of the box body 11; the disinfection switch is linked with the box cover 12, and when the box cover 12 is opened, the disinfection switch is disconnected, so that the ultraviolet light emitting elements are turned off. The ultraviolet light emitting assembly can be arranged similarly to the cooling head 31 described above: that is, it surrounds the passage through which the tissue tray 100 passes, so that it can irradiate the tissue tray 100 without blind spots.

[0054] After use, the tissue tray 100 needs to be thoroughly disinfected again before it can be used for the next case. Long-term exposure to ultraviolet light may cause damage to the skin and soft tissue, erythema, and affect the eyes or nervous system, endangering the health of pathology staff. Therefore, the disinfection switch is linked with the box cover 12 to realize automatic switching of the light, so that the tissue tray 100 can continue to be disinfected when the box body 11 is closed.

[0055] In the embodiment of the utility model, the pre-cooled tissue tray 100 is frozen to below zero, while the temperature of the human specimen tissue removed during the operation is relatively high, and the fresh tissue contains a certain amount of moisture. After contacting the pre-cooled metal tissue tray 100, the moisture on the surface of the tissue will be quickly absorbed by the metal tissue tray 100, causing the moisture to solidify into ice, so that ice adhesion is formed between the tissue and the tissue tray 100, and the pathologist can clearly establish the tissue embedding surface.

[0056] The embedding reagent will automatically solidify when it is cooled, and when it is dropped onto the pre-cooled tissue tray 100, it will no longer flow around and cause the embedding reagent to overflow.

[0057] According to the embodiment of the utility model, the tissue on the tissue tray 100 can be frozen more quickly after the tissue tray 100 is precooled, thereby reducing the formation of ice crystals and improving the quality of slices.

[0058] Specially designed for pre-cooling, it avoids sharing the freezing table with the freezing microtome and reduces cross infection.

[0059] Replaceable gauze buffer belts are provided at the entrance and exit of the tissue tray 100. The gauze can wrap the tissue tray 100 in all directions to wipe off the surface moisture, reduce frost, and shorten the freezing time.

[0060] An ultraviolet disinfection lamp is installed in the box to continuously disinfect the pre-cooled tissue tray in the box.

[0061] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0062] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0063] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms should not be understood as necessarily being directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0064] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A tissue support low temperature storage and retrieval device, characterized in that: include Box body: Open on both sides for tissue holders to enter and exit; with a lid on the top that can be opened and closed; with a conveying component, a cooling component and a disinfection component inside, including: Conveying assembly: including a transmission element and a foot switch, wherein the foot switch controls the start and stop of the transmission element, and drives the tissue support placed on the transmission element to move in the box; Cooling component: including a cold end and a hot end, the cold end is in the box and forms a plurality of temperature-conducting cooling heads, the cooling heads are close to the tissue support to reduce its temperature; Disinfection assembly: comprising a plurality of groups of ultraviolet light emitting elements arranged on the inner wall of the box body, and a disinfection switch; the disinfection switch is linked with the box cover, and when the box cover is opened, the disinfection switch is disconnected to turn off the ultraviolet light emitting elements.

2. A tissue support cryogenic storage and retrieval device as claimed in claim 1, characterized in that: The box body is a three-layer structure: the innermost and outermost layers are medical stainless steel, and the middle layer is a heat-insulating material.

3. A tissue support cryogenic storage and retrieval device as claimed in claim 1, characterized in that: A detachable curtain made of water-absorbing material is provided on the inner side of the opening.

4. The tissue support cryogenic storage and retrieval device according to claim 1, characterized in that: The transmission element comprises a plurality of U-shaped wheels and a circular belt. The circular belt is sleeved on the U-shaped wheel, and the tissue support is transported on the circular belt.

5. The tissue support cryogenic storage and retrieval device according to claim 1, characterized in that: The temperature reduction component is a semiconductor refrigeration structure.

Images