CN219455659U

CN219455659U - Pathological specimen fixing device

Info

Publication number: CN219455659U
Application number: CN202223316376.2U
Authority: CN
Inventors: 程秀凤
Original assignee: Nanjing Gulou Hospital Group Yizheng Hospital Co ltd
Current assignee: Nanjing Gulou Hospital Group Yizheng Hospital Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-08-01
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a pathological specimen fixing device, which comprises a tank body, a cover body and a fixing plate, wherein the tank body is a tank body with an opening at the top, a heating rod is arranged in the center of the bottom of the tank body, the bottom of the heating rod is fixedly connected with a fixing pipe, and the fixing pipe is inserted into the bottom of the tank body and extends out; the stirring support is arranged at the center of the bottom of the tank body and at the periphery of the fixed pipe, stirring sheets are arranged at the periphery of the stirring support, the bottom of the stirring support is connected with a rotating gear, the rotating gear is meshed with a driving gear, and the driving gear is connected with a motor at the bottom of the pipe body through a driving shaft; four groups of placing grooves are formed in the inner wall of the upper part of the tank body, and each group of placing grooves consists of two pairs of mutually perpendicular wedge-shaped grooves; the through hole has been seted up on the fixed plate, and the fixed plate top is provided with the wedge, and the middle part is provided with the handle. The stirring plate is arranged, so that the flow of the fixing liquid is facilitated, the solution can flow to the back of the tissue quickly, the tissue or cells are prevented from autolysis, the intracellular substances are preserved, and the later-stage tissue slicing is facilitated; when the temperature is lower, the fixing liquid can be kept at a constant temperature, so that the soaking fixing effect is further ensured.

Description

Pathological specimen fixing device

Technical Field

The utility model relates to the field of medical instruments, in particular to a pathological specimen fixing device.

Background

The large pathological specimen or the whole organ specimen has the phenomena that part of the specimen floats on the fixed liquid surface, sinks on the bottom of the container or adheres to the wall and the like in the fixing process due to different properties of the large pathological specimen or the whole organ specimen, so that the fixing effect is affected; the traditional fixing method of the hollow viscera is to fix the specimen on the plank by cutting open, and the phenomenon that the specimen fixing effect on the plank side is inferior to that on the opposite side is also existed; meanwhile, as the pathological report has strict time requirements, higher requirements are put forward on the pathological specimen fixing effect and fixing time.

Disclosure of Invention

The utility model aims to provide a pathological specimen fixing device with good soaking and fixing effects.

The purpose of the utility model is realized in the following way: the pathological specimen fixing device comprises a tank body, a cover body and a fixing plate, wherein the tank body is provided with an opening at the top, a heating rod is arranged at the center of the bottom of the tank body, the bottom of the heating rod is fixedly connected with a fixing tube, and the fixing tube is inserted into the bottom of the tank body and extends out; the stirring support is arranged at the center of the bottom of the tank body and at the periphery of the fixed pipe, stirring sheets are arranged at the periphery of the stirring support, the bottom of the stirring support is connected with the rotating gear, the rotating gear is meshed with the driving gear, and the driving gear is connected with the motor at the bottom of the pipe body through the driving shaft; four groups of placing grooves are formed in the inner wall of the upper part of the tank body, and each group of placing grooves consists of two pairs of mutually perpendicular wedge-shaped grooves;

the fixing plate is provided with a through hole, a wedge block is arranged above the fixing plate, and a handle is arranged in the middle of the fixing plate.

Preferably, the heating rod is spiral.

Preferably, the stirring support comprises an annular ring and a supporting frame, the annular ring and the fixed pipe are concentrically arranged, the annular ring is welded with the upper surface of the rotating gear through the supporting frame, and the stirring sheets are uniformly distributed on the annular ring in four groups.

Preferably, the bottom of the tank body is a bottom surface inclined towards the center and is concave downwards at the center to form a cylindrical cavity, the driving gear and the rotating gear are arranged in the cylindrical cavity, an outlet is arranged at the bottom of the cylindrical cavity, and the annular ring is higher than the bottom surface of the tank body.

Preferably, the four groups of placing grooves are respectively positioned at four corners of a square cut in the tank body, and the opening direction of the wedge-shaped groove extends to form the square.

Preferably, the width of the fixing plate is smaller than the distance between the opposite side walls of the wedge blocks, and the length of the wedge blocks is larger than the distance between the inner side walls of the opposite wedge blocks and smaller than the distance between the outer side walls of the opposite wedge blocks; the wedge-shaped block can be inserted into the wedge-shaped groove for fixation.

Preferably, a temperature sensor is arranged on the side wall of the tank body and is electrically connected with an external display screen.

Preferably, the diameter of the through holes is 3-5MM and the through holes are uniformly distributed on the fixing plate.

Preferably, the placing groove is fixed on the inner wall of the tank body through angle steel.

Preferably, the timing device is used for controlling the heating time, especially the time under the condition of heating

Preferably, the temperature control device can shorten the specimen fixing time by increasing the temperature of the fixing liquid within a certain range.

Compared with the prior art, the utility model has the following advantages:

1. the fixing plate is provided with the through holes and the stirring sheets, so that the flow of the fixing liquid is facilitated, the solution can flow to the back of the tissue quickly, the tissue (or cells) can be further protected from bacterial pollution quickly, the tissue or cells can be prevented from autolysis, the intracellular substances can be stored, and the later-stage tissue section can be facilitated;

2. the temperature of the fixing liquid can influence the fixing effect when the tissue is soaked, and the general fixing temperature is 20-37 ℃, so that the temperature of the fixing liquid can be stabilized by arranging the heating rod, and the fixing liquid can be kept at a constant temperature when the temperature is lower, so that the soaking fixing effect is further ensured.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic top view of the present utility model (without cover).

Fig. 3 is a schematic front view of the fixing plate of the present utility model.

Fig. 4 is a schematic side view of the fixing plate of the present utility model.

Fig. 5 is a schematic view of a wedge block structure according to the present utility model.

The device comprises a tank body 1, a cylindrical cavity 101, an outlet 102, a cover body 2, a fixing plate 3, a through hole 31, a wedge block 32, a handle 33, a heating rod 4, a fixing tube 5, a stirring support 6, an annular ring 61, a supporting frame 62, a stirring sheet 7, a rotating gear 8, a driving gear 9, a motor 10, a placing groove 11 and a bearing 12.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-5, a pathological specimen fixing device comprises a tank body 1, a cover body 2 and a fixing plate 3, wherein the tank body 1 is a tank body with an opening at the top, the upper part of the tank body 1 is covered by the cover body 2, a heating rod 4 is arranged at the center of the bottom of the tank body 1, the bottom of the heating rod 4 is fixedly connected with a fixing pipe 5 (flange bolt connection), the fixing pipe 5 is inserted into the bottom of the tank body 1 to extend out, and a connecting wire of the heating rod 4 extends to the outside through an internal channel of the fixing pipe 5 and is connected with a timing device and a temperature control device; the stirring support 6 is arranged at the center of the bottom of the tank body 1 and at the periphery of the fixed pipe 5, the stirring sheet 7 is arranged at the periphery of the stirring support 6, the bottom of the stirring support is connected with the rotating gear 8, the rotating gear 8 is meshed with the driving gear 9, the driving gear 9 is connected with the motor 10 at the bottom of the pipe body through a driving shaft, the stirring support 6 rotates around the fixed pipe to drive the stirring sheet to disturb the internal fixed liquid to accelerate the flow velocity, and meanwhile, the stirring support is driven to rotate through the rotating gear at the lower part; four groups of placing grooves 11 are formed in the inner wall of the upper part of the tank body, and each group of placing grooves 11 consists of two pairs of mutually perpendicular wedge-shaped grooves;

as shown in fig. 3-4, the fixing plate 3 is provided with a through hole 31, the through hole is used as a fixing liquid flow channel, a wedge block 32 is arranged above the fixing plate 3, a handle 33 is arranged in the middle of the fixing plate, the wedge block 32 is matched with the wedge groove, and the handle is used for taking the fixing plate.

As shown in fig. 1, the heating rod 4 is spirally provided to increase the contact area between the fixing liquid and the heating rod for adjusting the temperature of the fixing liquid.

As shown in fig. 1-2, the stirring bracket 6 comprises an annular ring 61 and a supporting frame 62, the annular ring 61 and the fixed pipe are concentrically arranged, the annular ring 61 is welded with the upper surface of the rotating gear 8 through the supporting frame 62, the stirring sheet 7 is fixedly arranged on the annular ring 61, and a bearing 12 is arranged between the rotating gear 8 and the fixed pipe, so that the stirring bracket can rotate around the fixed pipe as the center.

As shown in fig. 1, the bottom of the tank body 1 is a bottom surface inclined to the center and is concave downwards at the center to form a cylindrical cavity 101, the driving gear 9 and the rotating gear 10 are arranged in the cylindrical cavity 101, the annular ring 61 is higher than the bottom surface of the tank body, and meanwhile, an outlet 102 is arranged at the bottom of the cylindrical cavity, so that the replacement or deslagging of the internal solution is facilitated.

As shown in fig. 2, in order to ensure that more tissue specimens can be placed and each tissue specimen can be heated uniformly, four groups of placing grooves 11 are respectively arranged at four corners of a square inscribed in the tank body 1, the opening directions of the wedge-shaped grooves extend to form a square, and thus, four groups of heating rods with fixed specimens being equidistant from the center keep heated uniformity.

As shown in fig. 1-4, the width of the fixing plate 3 is smaller than the distance between the opposite side walls of the wedge blocks, and the length of the wedge blocks is larger than the distance between the inner side walls of the opposite wedge blocks and smaller than the distance between the outer side walls of the opposite wedge blocks; the wedge block can be inserted into the wedge groove for fixation.

As shown in fig. 1, a temperature sensor is disposed on a side wall of the tank body 1 and is electrically connected with an external display screen.

As shown in fig. 3, the through holes 31 have a diameter of 3-5MM and are uniformly distributed on the fixing plate, and the through holes at the center of the fixing plate may be encrypted so as to fix a smaller group of fabrics.

As shown in fig. 1-2, the placement grooves 11 are fixed on the inner wall of the tank body 1 through angle steel, and the placement grooves are welded on the inner wall of the pipe body through angle steel in a mutually perpendicular mode.

As shown in FIG. 1, a timing device (not shown) is used to control the heating time, particularly when the heating is strictly controlled

As shown in fig. 1, the temperature control device (not shown) can increase the temperature of the fixing solution within a certain range so as to shorten the specimen fixing time.

The working principle of the utility model is explained as follows: firstly, fixing a tissue specimen on a fixing plate, then directly inserting the fixing plate into a placing groove, and then carrying out real-time monitoring on the state of the internal fixing liquid through an external display screen, a timing device and a temperature control device, and accelerating the flow of the fixing liquid by a stirring device, thereby improving the fixing efficiency.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims

1. A pathological specimen fixing device comprises a tank body, a cover body and a fixing plate, and is characterized in that,

the tank body is provided with an opening at the top, a heating rod is arranged at the center of the bottom of the tank body, the bottom of the heating rod is fixedly connected with a fixed pipe, and the fixed pipe is inserted into the bottom of the tank body and extends out; the stirring support is arranged at the center of the bottom of the tank body and at the periphery of the fixed pipe, stirring sheets are arranged at the periphery of the stirring support, the bottom of the stirring support is connected with the rotating gear, the rotating gear is meshed with the driving gear, and the driving gear is connected with the motor at the bottom of the pipe body through the driving shaft; four groups of placing grooves are formed in the inner wall of the upper part of the tank body, and each group of placing grooves consists of two pairs of mutually perpendicular wedge-shaped grooves;

2. The pathological specimen fixation device according to claim 1, wherein the heating rod is spiral.

3. The pathological specimen fixing device according to claim 1, wherein the stirring support comprises an annular ring and a supporting frame, the annular ring and the fixing tube are arranged concentrically, the annular ring is welded with the upper surface of the rotating gear through the supporting frame, and the stirring sheets are uniformly distributed on the annular ring in four groups.

4. A pathological specimen fixing device according to claim 3, wherein the bottom of the tank is provided with a bottom surface inclined to the center and is concave downwards at the center to form a cylindrical cavity, the driving gear and the rotating gear are arranged in the cylindrical cavity, the bottom of the cylindrical cavity is provided with an outlet, and the annular ring is higher than the bottom surface of the tank.

5. The pathological specimen fixing device according to claim 1, wherein four sets of the placement grooves are respectively positioned at four corners of a square cut in the can body, and the opening directions of the wedge-shaped grooves extend to form the square.

6. The pathological specimen fixation device according to claim 1, wherein the fixation plate has a width smaller than the distance between opposing sidewalls between wedges, and wherein the wedges have a length greater than the distance between opposing sidewalls and less than the distance between opposing sidewalls; the wedge-shaped block can be inserted into the wedge-shaped groove for fixation.

7. The pathological specimen fixing device according to claim 1, wherein a temperature sensor is provided on a side wall of the tank and is electrically connected to an external display screen.

8. The pathological specimen fixation device according to claim 1, wherein the through holes have a diameter of 3-5MM and are uniformly distributed on the fixation plate.

9. The pathological specimen fixing device according to claim 1, wherein the placement groove is fixed to the inner wall of the tank body by angle steel.

10. The pathological specimen fixing device according to claim 1, wherein the heating rod is further connected with a timing device and a temperature control device.