Reaction cup of coagulometer
By designing a light-transmitting reaction cup with a quadrangular prism structure, the problems of uneven sample distribution and light scattering interference were solved, achieving uniform distribution, mixing, and precise positioning of the liquid, thus improving the detection precision and stability of the coagulation analyzer.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG HAITUO MEDICAL TECHNOLOGY CO LTD
- Filing Date
- 2025-04-24
- Publication Date
- 2026-04-10
AI Technical Summary
Existing coagulation analyzers suffer from problems such as uneven sample distribution, liquid spillage, lack of rapid localization structures, and light scattering interference in their reaction cups, making it difficult to meet the requirements of optical turbidimetric detection.
A reaction cup with a quadrangular prism structure was designed. It is made of light-transmitting material and is integrally injection molded. It includes a quadrilateral bottom, a semi-circular inclined surface, a continuous curved surface and an annular flange to ensure liquid dispersion, mixing effect and precise positioning, and reduce light scattering interference.
It achieves uniform distribution and mixing of liquids, reduces the risk of splashing, ensures reagent dispensing accuracy, improves the stability and precision of optical detection, and adapts to fully automated operation.
Smart Images

Figure CN224109330U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to reaction cup technical field, concretely is a blood coagulation instrument reaction cup. BACKGROUND
[0002] The reaction cup for coagulation analyzer detection is a container for biochemical reaction between sample and reagent, and different reaction cups are matched with different coagulation analyzers of different manufacturers and different models. Some reaction cups adopt simple cylindrical structure, lack mixing convex blocks or splash flanges, result in uneven distribution of samples or liquid overflow when adding samples, and lack rapid positioning structure, so it is difficult to meet the use demand. With mainstream detection technologies such as optical turbidity method, the reaction cup needs to adapt to optical signal transmission, and the light scattering interference is reduced through specific structure design. SUMMARY
[0003] The utility model discloses a blood coagulation instrument reaction cup, which comprises a first cup body located at the bottom side and being a quadrangular prism, wherein four side edges are circular arc shapes, and a second cup body, a third cup body are sequentially connected upwards along the first cup body. The second cup body is inclined on four sides, and different inclined surface regions are connected by a transition section. The inclined surface of the second cup body is a semicircular arc shape. The transition section of the second cup body forms a continuous curved surface with the third cup body. The inner wall of the third cup body is circular in cross section. The third cup body is provided with a flange and a convex block on the outer side.
[0004] As a further improvement of the utility model, the cup body of the reaction cup is made of light-transmitting material, and an integrated injection molding process is adopted, so that the thickness of the cup body is uniform. As a further improvement of the utility model, the bottom of the first cup body is quadrangular, and the outer wall and the bottom of the first cup body form a cup holder suitable for the coagulation analyzer.
[0005] As a further improvement of the utility model, the second cup body is inclined on four sides, and the inclined surface is a semicircular arc shape.
[0006] As a further improvement of the utility model, the plurality of inclined surfaces of the second cup body are evenly distributed on the inner wall and the outer wall of the second cup body.
[0007] As a further improvement of the utility model, the different inclined surface regions of the second cup body are connected by a transition section, and the transition section forms a continuous curved surface with the third cup body. As a further improvement of the utility model, the third cup body is designed as a vertical cup surface, and the inner wall is circular in cross section.
[0008] As a further improvement of the utility model, the flange of the third cup body is annular, and the convex block is quadrangular, and the four corners are circular arc shapes.
[0009] Compared with the prior art, the utility model has the beneficial effects as follows:
[0010] 1. The utility model discloses a cup body cross section is quadrilateral when reagent or sample is added in the inside of cup body, can let liquid reagent disperse its impact force because the cross section has the angle in the moment of entering the cup, reduces splashing, and the four angles of the cross section quadrilateral is the radian, can disperse liquid flow direction, breaks the vortex state of sample, increases sample mixing effect, the place near the cup mouth is wider than the middle and lower part of cup body, is the inclined shape from below to the width of going up, make when liquid approaches the cup mouth in the process, slow down liquid adding speed and strength, reduce the risk of splashing.
[0011] 2. The utility model discloses the cup body bottom is quadrilateral, adapts to the cup support of coagulation analysis appearance, can be positioned fast, is not easy to deviate, realizes the matching with instrument gripper, dispensing needle through accurate cup body structure, guarantees reagent dispensing precision error.
[0012] 3. The utility model discloses cup body adopts high light transmittance polymer material, cooperates bubble -free injection molding process, ensures the stability of absorbance detection in coagulation reaction process, reduces the turbidity interference error. DRAWINGS
[0013] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;
[0014] Figure 2 It is the plan view of the utility model;
[0015] Figure 3 It is the section view (along the protruding 5 four edges midpoint section) of the utility model;
[0016] Figure 4 It is the section view (along the protruding 5 diagonal section) of the utility model.
[0017] In the drawing: 1, first cup body;2, second cup body;3, third cup body;4, flange;5, protruding;6, first side edge;7, continuous curved surface;8, cup bottom;9, smooth inclined surface. CONCRETE IMPLEMENTING METHOD
[0018] The following in combination with the concrete implementing method of the utility model of the specific embodiment is further detailed:
[0019] A blood coagulation instrument reaction cup, including first cup body 1, second cup body 2, third cup body 3, be provided with flange 4 and protruding 5 on third cup body 3;Reaction cup main part adopts integrated injection molding process, reduces the chamfer or curved surface processing step, reduces production cost and improves detection precision.
[0020] First cup body 1 is made of light -transmitting material, is suitable for multi -wavelength optical detection, is compatible with different detection principles such as immunoturbidimetry, coagulation method.
[0021] The first cup body 1 is a quadrangular prism, and the flat side surface design can reduce light scattering interference caused by light spot irradiation position difference, effectively reduces optical test error by combining with standard size control, and meets high-precision detection requirements.
[0022] The first cup body 1 is a quadrangular prism, and the flat side surface design can reduce light scattering interference caused by light spot irradiation position difference, effectively reduces optical test error by combining with standard size control, and meets high-precision detection requirements.
[0023] The four side edges of the first cup body 1 are circular arc shapes, and the round corner structure reduces the resistance of liquid flow, can accelerate the liquid mixing process and reduce the residual risk, disrupts the vortex state of the sample, increases the sample mixing effect, and especially improves the mixing efficiency in the fully automatic coagulation analyzer.
[0024] The second cup body 2 is a quadrangular prism, and the flat side surface design can reduce light scattering interference caused by light spot irradiation position difference, effectively reduces optical test error by combining with standard size control, and meets high-precision detection requirements.
[0025] The third cup body 3 is a quadrangular prism, and the flat side surface design can reduce light scattering interference caused by light spot irradiation position difference, effectively reduces optical test error by combining with standard size control, and meets high-precision detection requirements.
[0026] The third cup body 3 is a quadrangular prism, and the flat side surface design can reduce light scattering interference caused by light spot irradiation position difference, effectively reduces optical test error by combining with standard size control, and meets high-precision detection requirements.
[0027] The cup mouth protrusion 5 forms a smooth inclined surface 9 along the first side edge 6, and is in a slight inclination state, so that the liquid flows smoothly along the cup wall, and the liquid splashing during liquid injection or mixing is reduced.
[0028] The above is only a preferred embodiment of the present application, and does not limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A blood coagulation analyzer reaction cup, comprising: A first cup body, located on the bottom side and shaped as a quadrangular prism with four arc-shaped side edges, is characterized by further comprising: a second cup body and a third cup body connected sequentially upwards along the first cup body; the second cup body has four inclined surfaces, with transition sections connecting different inclined surface areas; the inclined surfaces of the second cup body are semi-circular arcs; the transition sections of the second cup body and the third cup body form a continuous curved surface; the inner wall of the third cup body has a circular cross-section; and the outer side of the third cup body is provided with a flange and a protrusion.
2. The reaction vessel according to claim 1, characterized in that, The first cup body is made of a light-transmitting material and is manufactured using an integrated injection molding process.
3. The reaction vessel according to claim 1, characterized in that, The bottom of the first cup is quadrilateral, and the outer wall and bottom of the first cup are adapted to the cup holder of the coagulation analyzer.
4. The reaction vessel according to claim 1, characterized in that, The second cup body has four inclined surfaces, and the inclined surfaces are semi-circular arcs.
5. The reaction vessel according to claim 1, characterized in that, The inclined surfaces of the second cup are evenly distributed on the inner and outer walls of the second cup.
6. The reaction vessel according to claim 1, characterized in that, The transition section connects the different inclined surface areas of the second cup body, and the transition section and the third cup body form the continuous curved surface.
7. The reaction vessel according to claim 1, characterized in that, The third cup body is designed with a vertical cup surface and a circular cross-section of the inner wall.
8. The reaction vessel according to claim 1, characterized in that, The flange is annular, and the protrusion is quadrilateral.