CN-224207962-U - Liquid cover film

CN224207962UCN 224207962 UCN224207962 UCN 224207962UCN-224207962-U

Abstract

The utility model relates to a liquid cover film which comprises a tail plate, a cover plate and a connecting plate, wherein the tail plate and the connecting plate are respectively arranged at two ends of the cover plate, a reaction cavity is formed between the cover plate and a glass slide, the liquid cover film further comprises a drainage plate which is arranged in the middle of the tail plate, a first end face is arranged on the lower end face of the tail plate and connected with the end of the drainage plate, which faces the cover plate, a second end face is arranged adjacent to the first end face, liquid homogenizing protrusions are arranged on the second end face, a plurality of liquid homogenizing protrusions are arranged on the second end face, drainage grooves are formed in the first end face and are arranged at two sides of the drainage plate, and the number of the drainage grooves is a plurality. The utility model can make the reaction liquid flow into the reaction cavity along the drainage groove in the stage of adding the reaction liquid by arranging the drainage groove on the first end face of the tail plate, and promote the reaction cavity to be filled quickly, and arranging the liquid homogenizing protrusion on the second end face, so that the liquid cover film can uniformly distribute the reaction liquid on the glass slide and accelerate the reaction liquid to be mixed evenly in the process of being dragged by the full-automatic immunohistochemical apparatus.

Inventors

LIU YAN
DAI GUANGLIN
XU YANG

Assignees

苏州百道医疗科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250513

Claims (8)

1. The utility model provides a liquid cover membrane, includes tailboard, apron and connecting plate, and the tailboard with the connecting plate sets up respectively the both ends of apron, form the reaction chamber between apron and the slide glass, its characterized in that still includes: the drainage plate is arranged in the middle of the tail plate; The first end face is arranged on the lower end face of the tail plate and is connected with the end part, facing the cover plate, of the drainage plate; a second end surface disposed adjacent to the first end surface; The liquid homogenizing protrusions are arranged on the second end face, and the number of the liquid homogenizing protrusions is multiple; Drainage grooves are formed in the first end face, the drainage grooves are formed in two sides of the drainage plate, and the number of the drainage grooves is multiple.
2. The liquid cover membrane of claim 1, wherein the number of the liquid homogenizing protrusions is even, and the even number of the liquid homogenizing protrusions are symmetrically arranged on two sides of the drainage plate.
3. The liquid cover film according to claim 2, wherein an even number of the liquid-homogenizing protrusions are provided at regular intervals on the second end face.
4. The liquid cover film according to claim 1, further comprising: the support columns are arranged on the tail plate, the number of the support columns is two, and the two support columns are symmetrically arranged on two sides of the drainage plate; In the horizontal direction, the support column extends a length greater than the tailboard.
5. The liquid cover film according to claim 1, wherein the number of the drainage grooves is 2, and the 2 drainage grooves are symmetrically arranged on two sides of the drainage plate.
6. The liquid cover film according to claim 5, wherein the opening of the drainage groove gradually increases from top to bottom along the extension direction of the drainage groove.
7. The liquid cover film according to claim 6, wherein the extending direction of the drainage groove is a direction gradually away from the drainage plate.
8. The liquid cover film according to any one of claims 1 to 7, wherein the height of the liquid homogenizing protrusions is 0.05mm to 0.1mm.

Description

Liquid cover film Technical Field The utility model relates to the technical field of biological sample slide treatment, in particular to a liquid cover film. Background In the process of treating the biological sample slide glass, the reaction liquid needs to be added into a reaction cavity between the liquid cover film and the slide glass, so that the biological sample and the reaction liquid fully react in the reaction cavity, and the quantitative or quantitative analysis of the antigen polypeptide and the protein in the biological sample tissue slice is carried out. At present, the prior art often makes the laminating plane of liquid cover film and slide glass be certain inclination, and then adds the reaction liquid in one end, utilizes the gravity of fluid, makes the reaction liquid get into the reaction intracavity to expel the gas in the reaction chamber, make the reaction chamber be full of by the reaction liquid. The Chinese patent with publication number CN111562164A discloses a liquid cover film, through being provided with the drainage post that is used for introducing the reaction liquid to liquid distribution portion in the front end middle part of liquid cover film main part, when adding the reaction liquid, add the reaction liquid on the drainage post, guarantee that liquid adds to slide glass horizontal intermediate position, because the special structure of cone can make liquid from the centre begin from top down evenly spread, can be full of liquid distribution portion fast, then the reaction liquid can be with the whole reaction chamber of reaction chamber uniform width fast diffusion can evenly cover biological sample, impel biological sample and reaction liquid abundant reaction. However, the reaction liquid can only flow into the reaction cavity along the drainage column, so that the amount of the reaction liquid which is instantaneously added cannot be excessively large, the reaction liquid must be ensured to flow downwards along the drainage column only, the time for adding the reaction liquid is further increased, the time for uniformly diffusing the reaction liquid into the reaction cavity cannot be reduced, and the reaction liquid flowing into the reaction cavity is diffused in the reaction cavity by means of gravity. In addition, if the reaction solution in the reaction chamber is excessively stirred, tissue slices in the reaction solution are easily damaged. To this end, the utility model provides a liquid cover film. Disclosure of utility model In view of the above-mentioned drawbacks and shortcomings of the prior art, the present utility model provides a liquid cover film, so as to solve the technical problem of how to make the reaction liquid in the reaction chamber diffuse rapidly and uniformly. The utility model provides a liquid cover film, which comprises a tail plate, a cover plate and a connecting plate, wherein the tail plate and the connecting plate are respectively arranged at two ends of the cover plate, a reaction cavity is formed between the cover plate and a glass slide, the liquid cover film further comprises a drainage plate which is arranged in the middle of the tail plate, a first end face which is arranged on the lower end face of the tail plate and is connected with the end part of the drainage plate, which faces the cover plate, a second end face which is arranged adjacent to the first end face, liquid homogenizing protrusions which are arranged on the second end face, the number of the liquid homogenizing protrusions is a plurality of, and drainage grooves which are arranged on the first end face and are arranged on two sides of the drainage plate. Optionally, the quantity of even protruding piece of even liquid is even number to even number of even protruding piece of even liquid sets up in the both sides of drainage board symmetrically. Alternatively, even numbers of liquid homogenizing protrusions are uniformly arranged on the second end face at intervals. Alternatively, the two support columns are symmetrically arranged on two sides of the drainage plate, the length of the support column extending in the horizontal direction is larger than that of the tail plate, and the length of the support column extending in the horizontal direction is larger than that of the tail plate. Alternatively, the number of the drainage grooves is 2, and the 2 drainage grooves are symmetrically arranged on two sides of the drainage plate. Alternatively, the opening of the drainage groove is gradually increased from top to bottom along the extension direction of the drainage groove. Alternatively, the extending direction of the drainage groove is a direction gradually far away from the drainage plate. Alternatively, the height of the liquid homogenizing protrusions is 0.05mm-0.1mm. The beneficial effects of the utility model are as follows: The utility model provides a liquid cover film, because the first end face of the tail plate is provided with a plurality of drainag