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CN-224202849-U - Pathological specimen processing device

CN224202849UCN 224202849 UCN224202849 UCN 224202849UCN-224202849-U

Abstract

The utility model relates to the technical field of sample detection, in particular to a pathological sample processing device, which comprises an upper solution bottle component, a piston component and a lower sampling bottle component, wherein the upper solution bottle component comprises a solution bottle body, the piston component comprises a piston rod, a drainage part and a sealing plate, the drainage part is provided with a through hollow channel, when the piston component is positioned at a pressing station, the drainage part partially protrudes out of the drainage channel, the lower sampling bottle component comprises a sampling bottle body, a sampling cavity for storing a sample is formed in the sampling bottle body, an opening of the sampling cavity faces to the drainage channel, and when the piston component is positioned at the pressing station, the hollow channel is communicated with the solution cavity and the sampling cavity, so that the sampling cavity is directly fixed after sampling, the risk of sample transfer is avoided.

Inventors

  • LIANG LI
  • Fu Yeheng
  • MA YINGLI

Assignees

  • 天津医科大学总医院

Dates

Publication Date
20260505
Application Date
20250508

Claims (10)

  1. 1. A pathological specimen processing device is characterized by comprising an upper solution bottle component, a piston component and a lower sampling bottle component; The upper solution bottle assembly comprises a solution bottle body, a solution cavity for containing solution and a drainage passage penetrating through the solution cavity are formed in the solution bottle body, and the piston assembly is arranged in the drainage passage and axially moves along the drainage passage; The piston assembly comprises a piston rod, a drainage part and a sealing plate, the drainage part and the sealing plate are sequentially arranged at one end of the piston rod, the diameter of the drainage part is larger than that of the piston rod, a through hollow channel is formed in the hollow channel, a filter screen is arranged in the hollow channel, the piston assembly is provided with a pressing station and an initial station, when the piston assembly is positioned at the initial station, the sealing plate seals the drainage passage, and when the piston assembly is positioned at the pressing station, the drainage part partially stretches out of the drainage passage; The lower part sampling bottle assembly comprises a sampling bottle body, the sampling bottle body is in threaded connection with the solution bottle body, a sampling cavity for storing samples is formed in the sampling bottle body, an opening of the sampling cavity faces the drainage channel, and when the piston assembly is in a pressing station, the hollow channel is communicated with the solution cavity and the sampling cavity.
  2. 2. The pathological specimen processing device according to claim 1, wherein the upper solution bottle assembly further comprises a bottle cap body, the bottle cap body is arranged at one end of the solution bottle body, which is far away from the sampling bottle body, and is used for sealing the solution cavity, an avoidance hole for avoiding the piston rod is further formed in the bottle cap body, and one end part of the piston rod, which is far away from the sealing plate, protrudes out of the avoidance hole.
  3. 3. The pathological specimen processing device according to claim 2, wherein the piston assembly further comprises a pressing portion provided at an end of the piston rod portion protruding out of the escape hole.
  4. 4. A pathological specimen processing apparatus according to claim 3, wherein the pressing portion includes a pressing cap and a connecting section having a diameter larger than that of the escape hole and having a first end and a second end which are distant from each other, the first end being connected to the piston rod, the second end being connected to the pressing cap, a distance between the first end and the cap body being a first distance, a distance between the sealing plate and an end of the leakage path near the sampling cavity being a second distance, wherein the first distance is larger than the second distance and smaller than a length of the leakage portion in an axial direction of the piston rod.
  5. 5. The pathological specimen processing device according to claim 1, wherein the bottom of the sampling bottle body is provided with a barb structure, and the barb structure is a triangular protrusion with a tip facing the solution bottle body.
  6. 6. The pathological specimen processing device according to claim 1, wherein the threaded connection section of the upper solution bottle assembly and the lower sampling bottle assembly has a length of 0.8-1.2cm.
  7. 7. The pathological specimen processing device according to claim 1, wherein the sealing plate is made of elastic silica gel material, and the diameter of the sealing plate is larger than the inner diameter of the leakage flow path so as to realize interference sealing.
  8. 8. The pathological specimen processing device according to claim 1, wherein the mesh diameter of the filter mesh is less than 0.5mm.
  9. 9. The pathological specimen processing device according to claim 8, wherein the filter screen is made of stainless steel and is detachably mounted in the hollow channel by a snap-fit structure.
  10. 10. The pathological specimen processing device according to claim 1, wherein the inner wall of the solution chamber is coated with a corrosion resistant coating.

Description

Pathological specimen processing device Technical Field The utility model relates to the technical field of sample detection, in particular to a pathological specimen processing device. Background The pathological biopsy specimens obtained by the gastrointestinal endoscope of the patient are very important for the patient, and the characteristics, operation selection, medication method and the like of the pathological change position of the patient are related to the traditional operation method, namely, the clamped biopsy tissue is placed on filter paper, and then the biopsy tissue is placed in a pathological bottle containing formalin, however, the condition that the biopsy tissue falls off to the ground in the process can exist, so that the detection accuracy is reduced, and on the other hand, the formalin leaks in the process of dripping the solution to pollute a treatment area. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provide a pathological specimen processing device so as to achieve the aims of improving the accuracy of detecting biopsy tissues and avoiding formalin leakage. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a pathological specimen processing device, which comprises an upper solution bottle component, a piston component and a lower sampling bottle component; The upper solution bottle assembly comprises a solution bottle body, a solution cavity for containing solution and a drainage passage penetrating through the solution cavity are formed in the solution bottle body, and the piston assembly is arranged in the drainage passage and axially moves along the drainage passage; The piston assembly comprises a piston rod, a drainage part and a sealing plate, the drainage part and the sealing plate are sequentially arranged at one end of the piston rod, the diameter of the drainage part is larger than that of the piston rod, a through hollow channel is formed in the hollow channel, a filter screen is arranged in the hollow channel, the piston assembly is provided with a pressing station and an initial station, when the piston assembly is positioned at the initial station, the sealing plate seals the drainage passage, and when the piston assembly is positioned at the pressing station, the drainage part partially stretches out of the drainage passage; The lower part sampling bottle assembly comprises a sampling bottle body, the sampling bottle body is in threaded connection with the solution bottle body, a sampling cavity for storing samples is formed in the sampling bottle body, an opening of the sampling cavity faces the drainage channel, and when the piston assembly is in a pressing station, the hollow channel is communicated with the solution cavity and the sampling cavity. In some embodiments, the upper solution bottle assembly further comprises a bottle cap body, the bottle cap body is arranged at one end of the solution bottle body, which is away from the sampling bottle body, and is used for sealing the solution cavity, an avoidance hole for avoiding the piston rod is further formed in the bottle cap body, and one end part of the piston rod, which is away from the sealing plate, protrudes out of the avoidance hole. In some embodiments, the piston assembly further comprises a pressing portion disposed at an end of the piston rod portion that protrudes out of the relief hole. In some embodiments, the pressing portion includes a pressing cap and a connecting section, the diameter of the connecting section is greater than the diameter of the avoidance hole and has a first end and a second end which are far away from each other, the first end is connected with the piston rod, the second end is connected with the pressing cap, a distance between the first end and the bottle cap body is a first distance, a distance between the sealing plate and one end of the leakage flow path, which is close to the sampling cavity, is a second distance, wherein the first distance is greater than the second distance and is smaller than a length of the leakage flow portion in an axial direction along the piston rod. In some embodiments, the bottom of the sampling bottle body is provided with a barb structure, which is a triangular protrusion with a tip facing the solution bottle body. In some embodiments, the threaded connection of the upper solution bottle assembly and the lower sampling bottle assembly is 0.8-1.2cm in length. In some embodiments, the sealing plate is made of elastic silica gel, and the diameter of the sealing plate is larger than the inner diameter of the leakage flow passage so as to realize interference sealing. In some embodiments, the mesh diameter of the filter screen is less than 0.5mm. In some embodiments, the filter screen is stainless steel and is detachably mounted within the hollow channel by a snap-fit structure. In some embodiments, the inner