CN-224231388-U - Auxiliary device for blood cell smear

Abstract

The utility model discloses an auxiliary device for blood cell smear. The blood cell smear auxiliary device comprises a blood filling tank and an adjusting part, wherein the blood filling tank is provided with a containing groove for containing blood, the bottom surface opening of the containing groove is used for being matched with a glass slide, the adjusting part comprises a first adjusting piece and a second adjusting piece, the first adjusting piece and the second adjusting piece are oppositely arranged in the blood filling tank, and the first adjusting piece and the second adjusting piece can move to realize adjustment of the volume of the containing groove. The auxiliary device for the blood cell smear can remarkably improve the preparation efficiency and quality of the blood smear, and provide a more reliable sample for hematology examination, thereby promoting the accuracy and efficiency of medical diagnosis.

Inventors

• ZHANG XIN
• GU DAYONG
• LIU DONGLIANG
• NIE YONGBO
• Li Taihan

Assignees

• 深圳市第二人民医院(深圳市转化医学研究院)

Dates

Publication Date

20260512

Application Date

20250319

Claims (10)

1. 1. The utility model provides a blood cell smear auxiliary device, its characterized in that, fills pond and adjusting part including blood, blood fills the pond and has the holding tank that is used for holding blood, the tank bottom opening of holding tank is in order to be used for cooperating in the slide glass, adjusting part includes first regulating plate and second regulating plate, first regulating plate with the second regulating plate set up relatively in blood fills the pond, first regulating plate with the second regulating plate can remove in order to realize adjusting the volume of holding tank.
2. 2. The blood cell smear auxiliary device as claimed in claim 1, wherein the receiving groove is a long-strip-shaped groove, and a groove opening width of the receiving groove is larger than a groove bottom width of the receiving groove, so that the receiving groove is an inverted trapezoid-shaped groove as a whole.
3. 3. The blood cell smear auxiliary device according to claim 1, wherein the blood cell comprises a first fixing plate, a second fixing plate and a side plate, the first fixing plate and the second fixing plate are arranged at opposite intervals, a plurality of side plates are connected between the first fixing plate and the second fixing plate, the first fixing plate, the second fixing plate and the side plate form the blood cell, and a space enclosed by the first fixing plate, the second fixing plate and the side plate forms the accommodating groove.
4. 4. A blood cell smear auxiliary device as claimed in claim 3, wherein the distance between the first and second fixing plates increases gradually from the side fitted to the slide to the side distant from the slide.
5. 5. A blood cell smear auxiliary device as claimed in claim 3, wherein the first adjusting sheet is disposed close to the first fixing plate, the first adjusting sheet being parallel to the first fixing plate, the first adjusting sheet being operable away from or close to the first fixing plate; And/or the second adjusting piece is arranged close to the second fixing plate, the second adjusting piece is parallel to the second fixing plate, and the second adjusting piece can move away from or close to the second fixing plate.
6. 6. The blood cell smear auxiliary device according to claim 1, wherein the preparation material of the blood filling pool comprises a biocompatible material, and the preparation material of the blood filling pool comprises medical grade polypropylene plastic or polystyrene plastic; And/or the preparation materials of the first regulating piece and/or the second regulating piece comprise biocompatible materials, and the preparation materials of the first regulating piece and/or the second regulating piece comprise medical grade polypropylene plastics or polystyrene plastics.
7. 7. The blood cell smear auxiliary device according to any one of claims 1 to 6, further comprising a rotating member mounted to the blood filling tank, wherein the rotating member is further connected to the first adjusting plate and/or the second adjusting plate, and the rotating member is capable of adjusting a distance between the first adjusting plate and the second adjusting plate.
8. 8. The blood cell smear auxiliary device according to claim 7, wherein the rotation member comprises a rotation knob and a transmission structure, the rotation knob is rotatably connected to the blood filling tank, the rotation knob is connected to the transmission structure and can drive the transmission structure to move by the rotation of the rotation knob, and the transmission structure is connected to the first adjusting plate and/or the second adjusting plate.
9. 9. The blood cell smear auxiliary device according to claim 8, wherein a plurality of graduation marks are provided on the rotation knob, an indication line is provided on an outer wall of the blood filling tank, and the first and/or second adjusting pieces can adjust the holding groove to a predetermined volume when the rotation knob is rotated to different graduation marks.
10. 10. The blood cell smear auxiliary device according to any one of claims 1 to 6, 8 to 9, further comprising a slide glass, wherein the slide glass is matched with the blood filling pool, the blood filling pool is movably connected to the slide glass, and the blood filling pool can move along the slide glass to realize smear.

Description

Auxiliary device for blood cell smear Technical Field The application relates to the technical field of medical equipment and biological detection, in particular to an auxiliary device for blood cell smear. Background Blood cell smears (also known as blood smears or blood smears) are a laboratory test method for assessing the morphology and number of various cells in blood. This examination is of high value for the preparation of blood cell smear samples, the identification of cell morphology, and the diagnosis of various diseases. At present, the existing blood cell smear technology has the following defects and disadvantages that (1) the operation consistency is that the manual operation is seriously dependent on the skill and experience of operators, so that smears prepared by the same operator at different times can have different values, the quality difference among different operators is more obvious, and the stable smear quality is difficult to ensure. (2) The preparation efficiency and the automation adaptation are that the manual smearing method is long in time consumption and low in efficiency when facing a large number of samples, and in addition, the manual smearing technology is difficult to seamlessly adapt to the existing automation blood cell analyzer, and an additional standardization step is needed to ensure compatibility among systems. (3) The complexity of the manual operation results in unavoidable blood contact during the procedure, increasing the risk of operator infection with blood-borne pathogens. (4) The smear quality problem is that uneven cell distribution often occurs at the edge and tail of the smear, so that partial cells are too sparse or dense to influence counting and subsequent analysis, and in addition, the mechanical force applied in the preparation process can cause red blood cells to be broken or deformed to influence morphological judgment. (5) The problems of drying, fixing and dyeing in the sample treatment process are that the subsequent drying and fixing speed is affected by the non-uniformity, the non-uniform thickness, the non-uniform blood volume and the like of different smears caused by the previous empirical operation of the manual smear, so that the cell morphology is changed, and the subsequent dyeing effect is further affected. (6) The sample standardization problem is that different laboratories have differences in smear preparation methods and lack unified quality control standards, and meanwhile, factors such as ambient temperature, humidity and the like can also have significant influence on smear quality. (7) The problem of easy loss of special cells is that due to the low proportion of rare or abnormal cells in the whole sample, it may be difficult to retain these important information during smear, which will pose a challenge for early diagnosis of diseases such as leukemia. (8) The blood sample size requirements are high-traditional smear techniques typically require more blood sample, and it is often difficult for neonates or critically ill patients to collect enough sample. In summary, the existing blood smear sample preparation technology has various defects of inconsistent operation, low efficiency, high safety risk, unstable smear quality, large standardization difficulty and the like. The improvement of the patent aiming at the problems is helpful to improve the diagnosis accuracy and the laboratory detection efficiency, and promotes the development of automation and standardization technologies. Disclosure of utility model Based on this, it is necessary to provide a blood cell smear auxiliary device. The blood cell smear auxiliary device can solve at least one or more technical problems in the background technology. The auxiliary device for the blood cell smear can remarkably improve the preparation efficiency and quality of the blood smear, and provide a more reliable sample for hematology examination, thereby promoting the accuracy and efficiency of medical diagnosis. An embodiment of the application provides an auxiliary device for blood cell smear. The utility model provides a blood cell smear auxiliary device, fills pond and adjusting part including blood, blood fills the pond and has the holding tank that is used for holding blood, the tank bottom opening of holding tank is in order to be used for cooperating in the slide glass, adjusting part includes first regulating plate and second regulating plate, first regulating plate with the second regulating plate set up relatively in blood fills the pond, first regulating plate with the second regulating plate can remove in order to realize adjusting the volume of holding tank. In some embodiments, the receiving groove is an elongated groove, and the width of the notch of the receiving groove is larger than the width of the bottom of the receiving groove, so that the receiving groove is an inverted trapezoid groove as a whole. In some embodiments, the blood filling pool comprises a first