Constant-temperature test tube rack capable of improving stability of test tubes and used for egg collection
By designing a connection mechanism and temperature control system for a constant temperature test tube rack, the problem of unstable clamping and temperature control of the test tube rack was solved. This enabled stable clamping and temperature control of test tubes of different specifications, avoiding damage from impacts and ensuring that the test tubes are kept within the specified temperature range.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-04
- Publication Date
- 2026-03-13
Smart Images

Figure CN223988507U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of test tube rack technology, and in particular to a constant temperature test tube rack for egg retrieval that improves test tube stability. Background Technology
[0002] The most common method for egg retrieval in IVF is transvaginal egg retrieval. During egg retrieval, the doctor will first perform a probe puncture on the patient. A sterile rubber sheath is placed over the ultrasound probe, and then a puncture needle is fixed to the probe. The tail of the needle is connected to a negative pressure suction tube, which is then connected to a test tube. The test tube is placed on a fixed, temperature-controlled test tube rack. During egg retrieval, follicular fluid enters the test tube through the suction tube.
[0003] However, the existing thermostatic test tube racks have shortcomings in use. They are not convenient for effectively clamping and fixing test tubes of different sizes, which not only reduces the scope of application of the device, but also causes the test tubes to tilt and shake during movement, resulting in damage from bumps and knocks. Furthermore, they are not convenient for maintaining the temperature of the test tubes within a specified temperature range, and cannot meet the need for constant temperature. Therefore, we propose a thermostatic test tube rack for egg retrieval that improves the stability of the test tubes to solve the above problems. Utility Model Content
[0004] The purpose of this invention is to address the aforementioned shortcomings by proposing a constant-temperature test tube rack for egg retrieval that improves test tube stability.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A thermostatic test tube rack for improving test tube stability includes a thermostatic rack, a plurality of test tubes are arranged inside the thermostatic rack, a sealing cap is threaded on the outside of each test tube, a bottom plate and a top plate are fixedly arranged inside the thermostatic rack, a cover plate is detachably fixedly connected to the top of the thermostatic rack, a placement and fixing mechanism is provided between the bottom plate, the top plate and the cover plate, a connecting mechanism is provided between the cover plate and the thermostatic rack, a thermostatic mechanism is provided between the thermostatic rack, the bottom plate and the top plate, and a controller is fixedly connected to the front side of the thermostatic rack.
[0007] In a preferred embodiment of this invention, the constant temperature mechanism includes a temperature sensor fixedly connected to the inner wall of one side of the constant temperature frame, a circulation pump and a heating box fixedly connected to the front side of the constant temperature frame, a connecting pipe fixedly connected between the circulation pump and the heating box, an outlet pipe and an inlet pipe fixedly connected to the front side of the constant temperature frame, a water supply pipe fixedly connected between the circulation pump and the inlet pipe, heating plates fixedly connected to the top and bottom inner walls of the heating box, and a return pipe fixedly connected between the heating box and the outlet pipe.
[0008] As a preferred embodiment of this invention, both the outlet pipe and the inlet pipe are equipped with control valves.
[0009] In a preferred embodiment of this invention, the temperature sensor, the circulating pump, and the heating plate are all electrically connected to the controller.
[0010] In a preferred embodiment of this utility model, the placement and fixing mechanism includes several lower placement openings on the top of the base plate, several upper placement openings on the top of the top plate, and several grooves on the bottom of the cover plate. A lower rubber sleeve with a larger upper portion and a smaller lower portion is fixedly installed in each of the lower placement openings, and an upper rubber sleeve with a larger upper portion and a smaller lower portion is fixedly installed in each of the upper placement openings. The test tube body is movably fitted between the upper and lower rubber sleeves. Sliding grooves are provided on the inner walls of both sides of the grooves. A compression spring is fixedly connected to the inner wall of one side of the sliding groove. A sliding plate is fixedly connected to one end of the compression spring. A connecting rod is fixedly connected to one side of the sliding plate. An arc-shaped clamp is fixedly connected to one end of the connecting rod. The two arc-shaped clamps movably abut against both sides of the sealing cover. A guide plate is fixedly connected to the bottom of the arc-shaped clamps.
[0011] In a preferred embodiment of this invention, the slide plate and the connecting rod are both slidably fitted into the slide groove, and the two arc-shaped clamps are both slidably fitted into the groove.
[0012] In a preferred embodiment of this utility model, the connecting mechanism includes four housings, four slots on the top of the constant temperature rack, and four insert plates fixedly connected to the bottom of the cover plate. The four insert plates are movably inserted into their respective slots. The outer side of each insert plate has a slot. The four housings are fixedly connected to both sides of the constant temperature rack. A compression spring is fixedly connected to the inner wall of one side of each housing. A movable plate is fixedly connected to one end of each compression spring. A locking plate is fixedly connected to one side of each movable plate. The four locking plates are movably locked into their respective slots. A pull rod is fixedly connected to the outer side of each movable plate.
[0013] As a preferred embodiment of this utility model, four movable plates are slidably fitted into corresponding housings, and one end of two pull rods located on the same side is fixedly connected to a pull plate.
[0014] In this utility model, a constant temperature test tube rack for egg retrieval that improves test tube stability is described. The rack features upper and lower rubber sleeves, one larger than the other, which allow for stable placement of test tubes of different diameters. The upper rubber sleeve expands as the test tube is placed, ensuring a firm seal against the outside of the tube and preventing warm water from splashing between the top and bottom plates during movement. When the rack is full, pressing down on the bottom plate inserts four insert plates into their slots. Simultaneously, the locking plate automatically moves outward under pressure without obstructing the complete insertion of the insert plates. When the bottom plate is in contact with the constant temperature rack, the locking plate aligns with the slot. Under the pressure of the compression spring, the locking plate moves inward and engages with the slot, thus locking the bottom plate.
[0015] In this invention, a constant-temperature test tube rack for egg retrieval that improves test tube stability features guide plates. When the cover plate is pressed down, the guide plates and the sealing cover are pressed together, causing the two guide plates and the arc-shaped clamping plates to automatically move away from each other. When the sealing cover is fully inserted into the recessed chamber, the two arc-shaped clamping plates stably clamp and fix the sealing cover under the elastic force of the compression spring. Furthermore, under the clamping of the upper and lower rubber sleeves and the arc-shaped clamping plates, the test tube body can be stably clamped and fixed, preventing tilting, shaking, and damage from impacts, thus improving the stability of the test tube body. This is achieved through temperature... The sensor measures the water temperature between the bottom and top plates. When the temperature is lower than the set value, the controller increases the output power of the heating plate and the circulation pump, making the heating plate more efficient at heating the water. At the same time, the circulation pump accelerates the flow of water in the thermostat, thus quickly heating the water in the thermostat to the specified range. When the temperature is too high, the controller reduces the output power of the heating plate and the circulation pump, causing the temperature to drop to the specified range. Thus, the test tube can be constantly heated by the constant-temperature water, ensuring that the test tube is maintained within the specified temperature range.
[0016] This utility model has a reasonable structural design. When fixing the cover plate, it can automatically clamp and fix test tubes of different specifications, which improves the convenience and efficiency of clamping and fixing different test tubes, improves the effect of use, and avoids the test tubes from tilting and shaking during movement, which may cause damage. Through the constant temperature mechanism, the test tubes can be maintained within the specified temperature range. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of a constant temperature test tube rack for egg retrieval that improves test tube stability, as proposed in this utility model.
[0018] Figure 2 This is a partial cross-sectional view of the connection mechanism of a constant temperature test tube rack for improving test tube stability proposed in this utility model.
[0019] Figure 3 This is an overall sectional view of a constant temperature test tube rack for egg retrieval that improves test tube stability, as proposed in this utility model.
[0020] Figure 4 for Figure 3 A schematic diagram of the structure of part A;
[0021] Figure 5 This is a partial cross-sectional view of the heating box of a constant temperature test tube rack for egg retrieval that improves the stability of test tubes, as proposed in this utility model.
[0022] In the diagram: 1. Temperature control rack; 2. Cover plate; 3. Connecting mechanism; 4. Temperature control mechanism; 5. Controller; 6. Placement and fixing mechanism; 7. Test tube body; 8. Sealing cap; 31. Clamping plate; 32. Insert plate; 33. Slot; 34. Card slot; 35. Pull plate; 36. Cover box; 37. Pull rod; 38. Compression spring; 39. Moving plate; 40. Temperature sensor; 41. Circulating pump; 42. Water supply pipe; 43. Water inlet pipe; 4 4. Control valve; 45. Connecting pipe; 46. Heating box; 47. Return pipe; 48. Water outlet pipe; 49. Heating plate; 601. Base plate; 602. Lower placement port; 603. Lower rubber sleeve; 604. Guide plate; 605. Upper rubber sleeve; 606. Upper placement port; 607. Top plate; 608. Arc-shaped clamp; 609. Connecting rod; 610. Slide plate; 611. Slide groove; 612. Compression spring; 613. Groove. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0024] Reference Figures 1-5 A constant temperature test tube rack for improving the stability of test tubes includes a constant temperature rack 1, a plurality of test tubes 7 are arranged inside the constant temperature rack 1, a sealing cap 8 is threaded on the outside of the test tubes 7, a bottom plate 601 and a top plate 607 are fixedly arranged inside the constant temperature rack 1, a cover plate 2 is detachably fixedly connected to the top of the constant temperature rack 1, a placement and fixing mechanism 6 is arranged between the bottom plate 601, the top plate 607 and the cover plate 2, a connecting mechanism 3 is arranged between the cover plate 2 and the constant temperature rack 1, a constant temperature mechanism 4 is arranged between the constant temperature rack 1, the bottom plate 601 and the top plate 607, and a controller 5 is fixedly connected to the front side of the constant temperature rack 1.
[0025] Furthermore, refer to Figures 1-3 and Figure 5 The constant temperature mechanism 4 includes a temperature sensor 40 fixedly connected to the inner wall of one side of the constant temperature rack 1, a circulation pump 41 fixedly connected to the front side of the constant temperature rack 1 and a heating box 46, a connecting pipe 45 fixedly connected between the circulation pump 41 and the heating box 46, an outlet pipe 48 and an inlet pipe 43 fixedly connected to the front side of the constant temperature rack 1, a water supply pipe 42 fixedly connected between the circulation pump 41 and the inlet pipe 43, heating plates 49 fixedly connected to the top inner wall and the bottom inner wall of the heating box 46, a return pipe 47 fixedly connected between the heating box 46 and the outlet pipe 48, and the temperature sensor 40, the circulation pump 41 and the heating plates 49 are all electrically connected to the controller 5.
[0026] Using the above scheme: the temperature sensor 40 can measure the water temperature between the bottom plate 601 and the top plate 607. When the temperature is lower than the set value, the controller 5 can increase the output power of the heating plate 49 and the circulation pump 41, so that the heating plate 49 can heat the water more efficiently. At the same time, the circulation pump 41 can accelerate the flow of water in the constant temperature rack 1, thereby quickly heating the water temperature in the constant temperature rack 1 to the specified range. When the temperature is too high, the controller 5 can reduce the output power of the heating plate 49 and the circulation pump 41, so that the temperature drops to the specified range. Thus, the test tube 7 can be heated constantly by the constant temperature water, ensuring that the test tube 7 is maintained within the specified temperature range.
[0027] Furthermore, control valves 44 are installed on both the water outlet pipe 48 and the water inlet pipe 43 to facilitate the periodic replacement of the water in the thermostat rack 1.
[0028] Furthermore, refer to Figures 1-4 The placement and fixing mechanism 6 includes several lower placement openings 602 on the top of the base plate 601, several upper placement openings 606 on the top of the top plate 607, and several grooves 613 on the bottom of the cover plate 2. A lower rubber sleeve 603 with a larger upper part and a smaller lower part is fixedly installed in the lower placement opening 602, and an upper rubber sleeve 605 with a larger upper part and a smaller lower part is fixedly installed in the upper placement opening 606. The test tube body 7 is movably sleeved between the upper rubber sleeve 605 and the lower rubber sleeve 603. Slide grooves 611 are provided on both sides of the inner wall of the groove 613. A compression spring 612 is fixedly connected to one side of the inner wall of the slide groove 611. A sliding plate 610 is fixedly connected to one end of the compression spring 612. A connecting rod 609 is fixedly connected to one side of the sliding plate 610. An arc-shaped clamping plate 608 is fixedly connected to one end of the connecting rod 609. The two arc-shaped clamping plates 608 movably abut against both sides of the sealing cover 8. A guide plate 604 is fixedly connected to the bottom of the arc-shaped clamping plate 608.
[0029] The above scheme employs an upper and lower rubber sleeve with a larger upper sleeve and a smaller lower sleeve to stably place test tubes 7 of different diameters. The upper rubber sleeve 605 expands along with the test tube 7, allowing it to firmly abut against the outside of the test tube 7, achieving a sealing effect and preventing warm water from splashing between the top plate 607 and the cover plate 2 during movement. When the test tube is full, due to the guide plate 604, when the cover plate 2 is pressed down, the guide plate 604 and the sealing cap 8 are squeezed together, causing the two guide plates 604 and the arc-shaped clamping plate 608 to automatically move away from each other. When the sealing cap 8 is fully inserted into the inner chamber of the groove 613, the two arc-shaped clamping plates 608 can stably clamp and fix the sealing cap 8 under the elastic force of the compression spring 612. Thus, under the clamping of the upper and lower rubber sleeves and the arc-shaped clamping plates 608, the test tube 7 can be stably clamped and fixed, preventing tilting, shaking, and damage, thereby improving the stability of the test tube 7.
[0030] Furthermore, the slide plate 610 and the connecting rod 609 are both slidably fitted in the slide groove 611, and the two arc-shaped clamps 608 are both slidably fitted in the groove 613, which facilitates the guidance of the slide plate 610, the connecting rod 609 and the arc-shaped clamps 608, making their movement more stable.
[0031] Furthermore, refer to Figures 1-3 The connecting mechanism 3 includes four housings 36, four slots 33 on the top of the constant temperature rack 1, and four insert plates 32 fixedly connected to the bottom of the cover plate 2. The four insert plates 32 are movably inserted into the corresponding slots 33. The outer side of the insert plates 32 is provided with a slot 34. The four housings 36 are fixedly connected to both sides of the constant temperature rack 1. A compression spring 38 is fixedly connected to the inner wall of one side of the housing 36. A moving plate 39 is fixedly connected to one end of the compression spring 38. A locking plate 31 is fixedly connected to one side of the moving plate 39. The four locking plates 31 are movably locked into the corresponding slots 34. A pull rod 37 is fixedly connected to the outer side of the moving plate 39.
[0032] Using the above scheme: Press down on the cover plate 2 to insert the four insert plates 32 into the slots 33. At the same time, the locking plate 31 is automatically pressed and moves outward without hindering the complete insertion of the insert plates 32. When the cover plate 2 is in contact with the thermostat 1, the locking plate 31 is aligned with the slot 34. Under the elastic force of the compression spring 38, the locking plate 31 moves inward and locks into the slot 34, thereby locking the cover plate 2. When disassembling, pull the two pull plates 35 outward, thereby causing the four locking plates 31 to fall outward from the slots 34, thus not fixing the cover plate 2. At this time, the cover plate 2 can be removed.
[0033] Furthermore, the four movable plates 39 are slidably fitted into the corresponding housings 36, and one end of the two pull rods 37 located on the same side is fixedly connected to a pull plate 35, which facilitates guiding the movable plates 39 and also makes it easier to pull the pull rods 37.
[0034] In this invention, during use, the upper and lower rubber sleeves, which are wider at the top and narrower at the bottom, can stably hold test tubes 7 of different diameters. The upper rubber sleeve 605 expands along with the test tube 7, allowing it to firmly abut against the outside of the test tube 7, achieving a sealing effect and preventing warm water from splashing between the top plate 607 and the cover plate 2 during movement. When full, pressing down on the cover plate 2 causes the four insert plates 32 to insert into the slots 33, while the locking plate 31 is automatically pressed towards... The external movement does not hinder the complete insertion of the insert plate 32. When the cover plate 2 is in contact with the thermostat 1, the locking plate 31 is aligned with the slot 34. Under the elastic force of the compression spring 38, the locking plate 31 moves inward and locks into the slot 34, thereby locking the cover plate 2. Due to the setting of the guide plate 604, when the cover plate 2 is pressed down, the guide plate 604 and the sealing cover 8 are pressed together, causing the two guide plates 604 and the arc-shaped clamping plate 608 to automatically move away from each other to the sides. When the sealing cover 8 is completely inserted into the inner chamber of the groove 613... At this time, under the elastic force of the compression spring 612, the two arc-shaped clamps 608 can stably clamp and fix the sealing cover 8. Then, under the clamping of the upper and lower rubber sleeves and the arc-shaped clamps 608, the test tube body 7 can be stably clamped and fixed, avoiding tilting and shaking and causing damage, thus improving the stability of the test tube body 7. The temperature sensor 40 can measure the water temperature between the bottom plate 601 and the top plate 607. When the temperature is lower than the set value, the controller 5 can increase the output power of the heating plate 49 and the circulation pump 41, so that the heating plate 49 can heat the water more efficiently. At the same time, the circulation pump 41 can accelerate the flow of water in the constant temperature rack 1, so that the water temperature in the constant temperature rack 1 can be quickly heated to the specified range. When the temperature is too high, the controller 5 can reduce the output power of the heating plate 49 and the circulation pump 41, so that the temperature drops to the specified range. Thus, the constant temperature water can be used to heat the test tube body 7 constantly, ensuring that the test tube body 7 is maintained within the specified temperature range.
Claims
1. An oocyte collection constant temperature test tube rack for improving stability of a test tube, characterized by, The utility model provides a constant temperature frame, the utility model discloses a constant temperature frame (1) is provided with a plurality of test tube body (7) in, the outside thread cover of test tube body (7) is provided with sealing cover (8), the constant temperature frame (1) is fixed cover and is provided with bottom plate (601) and top plate (607) in, the top of constant temperature frame (1) is detachably fixedly connected with cover plate (2), and the bottom plate (601), top plate (607) and cover plate (2) are provided with the placement fixed mechanism (6) between, and the cover plate (2) and constant temperature frame (1) are provided with the connecting mechanism (3) between, and the constant temperature frame (1), bottom plate (601) and top plate (607) are provided with the constant temperature mechanism (4) between, and the front side of constant temperature frame (1) is fixedly connected with controller (5).
2. The constant temperature test tube rack for taking eggs according to claim 1, wherein, The constant temperature mechanism (4) includes temperature sensor (40) fixedly connected on the inner wall of one side of the constant temperature frame (1), circulating pump (41) and heating box (46) fixedly connected on the front side of the constant temperature frame (1), connecting pipe (45) fixedly communicated between the circulating pump (41) and the heating box (46), water outlet pipe (48) and water inlet pipe (43) fixedly communicated on the front side of the constant temperature frame (1), water supply pipe (42) fixedly communicated between the circulating pump (41) and the water inlet pipe (43), heating plate (49) fixedly connected on the top inner wall and the bottom inner wall of the heating box (46), and reflux pipe (47) fixedly communicated between the heating box (46) and the water outlet pipe (48).
3. The constant temperature test tube rack for taking eggs according to claim 2, characterized in that, The water outlet pipe (48) and the water inlet pipe (43) are provided with control valves (44).
4. The constant temperature test tube rack for taking eggs according to claim 2, wherein, The temperature sensor (40), the circulating pump (41) and the heating plate (49) are electrically connected with the controller (5).
5. The constant temperature test tube rack for taking eggs according to claim 1, wherein, The placement fixed mechanism (6) includes a plurality of lower placement openings (602) formed in the top of the bottom plate (601), a plurality of upper placement openings (606) formed in the top of the top plate (607), and a plurality of grooves (613) formed in the bottom of the cover plate (2), the lower rubber sleeve (603) fixedly arranged in the lower placement opening (602) is arranged in a large size from top to bottom, the upper rubber sleeve (605) fixedly arranged in the upper placement opening (606) is arranged in a large size from top to bottom, the test tube body (7) movably sleeved between the upper rubber sleeve (605) and the lower rubber sleeve (603), the sliding grooves (611) are formed in the inner walls of the two sides of the groove (613), the compression springs (612) are fixedly connected to the inner walls of the sliding grooves (611), the sliding plates (610) are fixedly connected to one end of the compression springs (612), the connecting rods (609) are fixedly connected to one side of the sliding plates (610), the arc-shaped clamping plates (608) are fixedly connected to one end of the connecting rods (609), the arc-shaped clamping plates (608) movably abut against the two sides of the sealing cover (8), and the guide plates (604) are fixedly connected to the bottoms of the arc-shaped clamping plates (608).
6. The constant temperature test tube rack for taking eggs according to claim 5, wherein, The sliding plates (610) and the connecting rods (609) are movably sleeved in the sliding grooves (611), and the arc-shaped clamping plates (608) are movably sleeved in the grooves (613).
7. The constant temperature test tube rack for taking eggs according to claim 1, wherein, The connecting mechanism (3) comprises four sleeve boxes (36), four insertion slots (33) opened on the top of the constant temperature frame (1), four insertion plates (32) fixedly connected on the bottom of the cover plate (2), the four insertion plates (32) are respectively movably inserted into the corresponding insertion slots (33), the outer side of the insertion plate (32) is provided with a clamping groove (34), the four sleeve boxes (36) are respectively fixedly connected on the two sides of the constant temperature frame (1), one side inner wall of the sleeve box (36) is fixedly connected with an extrusion spring (38), one end of the extrusion spring (38) is fixedly connected with a moving plate (39), one side of the moving plate (39) is fixedly connected with a clamping plate (31), the four clamping plates (31) are respectively movably clamped into the corresponding clamping grooves (34), and the outer side of the moving plate (39) is fixedly connected with a pull rod (37).
8. The constant temperature test tube rack for taking eggs according to claim 7, characterized in that, The four moving plates (39) are respectively slidably sleeved in the corresponding sleeve boxes (36), and one end of the two pull rods (37) located on the same side is fixedly connected with a pull plate (35).