Open type freezing carrying rod
By setting a slope on the slide to distinguish the front and back sides, and locking the sheath casing with a convex ring sliding clamping mechanism, the problem of difficulty in distinguishing the direction of the slide in the existing frozen load rod and unstable sheath casing connection is solved, and the problem of the sheath casing is unstable is realized. Accurate distinction between slide direction and stable connection of sheath cannula ensure the safe preservation of embryonic stem cells.
Patent Information
- Application Number
- CN202420286583.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-06
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-02-06
AI Technical Summary
The existing open frozen load rod has the problem that the slide cannot distinguish between the front and back sides and the unstable connection between the sheath cannula and the load rod, which leads to the easy drop of embryonic stem cells during preservation.
An open freezing load rod is designed, and one end of the slide away from the load rod is provided with a slope for distinguishing the front and back surfaces of the slide, and is slid and jammed with the second convex ring through the first convex ring, so that the sheath can be locked to On the load rod.
It realizes accurate distinction of the direction of the slide, prevents the sheath cannula from falling off, improves the connection stability between the carrier rod and the sheath cannula, and ensures the safety of embryonic stem cells during the preservation process.
Smart Images
Figure CN222465832U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of assisted reproductive medical equipment, in particular to an open-type freezing carrier rod. Background Art
[0002] In assisted reproductive technology, when in vitro fertilization-embryo transfer is performed, after the fresh cycle embryos are transferred, the remaining embryos are cryopreserved. First, the embryos are treated with vitrification cryoprotectant, then loaded onto a freezing rod, and then put into liquid nitrogen for long-term storage.
[0003] In the prior art, an open cryo-rod generally consists of a rod, a slide, and a sheath tube. The prior art has at least the following problems: (1) the slide cannot distinguish between the front and back sides, and the wrong front and back sides can easily cause embryonic stem cells to fall off; (2) the sheath tube is connected to the rod by an interference fit, which has the risk of falling off during use, causing the embryonic stem cells to be lost during the storage process.
[0004] Therefore, how to provide an open cryo-support rod to distinguish the direction of the slide and prevent the sheath tube from falling off during use has become a technical problem that needs to be solved urgently. Utility Model Content
[0005] The technical problem to be solved by the utility model is how to provide an open type freezing carrier rod to distinguish the direction of the carrier and prevent the sheath tube from falling off during use.
[0006] To this end, according to a first aspect, an embodiment of the utility model discloses an open type of freezing carrier rod, comprising: a carrier rod, a carrier sheet and a sheath tube, wherein the carrier sheet is connected to the carrier rod and is located in the sheath tube, an end of the carrier sheet away from the carrier rod is provided with an inclined surface for distinguishing the front and back sides of the carrier sheet, a first convex ring is provided on the carrier rod, and a second convex ring is provided in the sheath tube; the first convex ring is slidably engaged with the second convex ring so that the sheath tube is locked onto the carrier rod.
[0007] The utility model is further configured that an end mark for distinguishing the front and back sides of the slide is provided at one end of the slide relative to the slide rod.
[0008] The utility model is further configured such that the sheath tube and the second convex ring are an integrally formed structure.
[0009] The utility model is further configured that the sheath tube is made of medical-grade polypropylene.
[0010] The utility model is further configured that the sheath tube is a tubular structure with one end open and the other end closed.
[0011] The utility model is further configured such that the carrier rod and the first convex ring are an integrally formed structure.
[0012] The utility model is further configured that the carrier sheet is bonded and fixed to the carrier rod.
[0013] The utility model is further configured such that the carrier sheet and the carrier rod are an integrally formed structure.
[0014] The utility model has the following beneficial effects: an inclined surface for distinguishing the front and back sides of the carrier is provided at one end of the carrier away from the carrier rod, and the first convex ring is slidably engaged with the second convex ring to lock the sheath tube on the carrier rod, thereby providing an open-type freezing carrier rod, which can distinguish the direction of the carrier and prevent the sheath tube from falling off during use, thereby improving the connection stability between the carrier rod and the sheath tube. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 is a schematic diagram of the three-dimensional structure of an open type freezing carrier rod disclosed in this embodiment;
[0017] Figure 2 This is a schematic diagram of the explosion structure of an open type freezing carrier rod disclosed in this embodiment;
[0018] Figure 3 This is a schematic diagram of the structure of a carrier rod in an open-type freezing carrier rod disclosed in this embodiment;
[0019] Figure 4 This is a schematic diagram of the structure of a slide in an open-type cryo-strain carrier disclosed in this embodiment;
[0020] Figure 5 is a schematic diagram of the cross-sectional structure of a sheath tube in an open-type cryo-carrying rod disclosed in this embodiment;
[0021] Figure 6 yes Figure 5 A schematic diagram of the enlarged structure at point A;
[0022] Figure 7 It is a schematic structural diagram of an integrated carrier rod in an open type freezing carrier rod disclosed in this embodiment.
[0023] Figure numerals: 1, carrier rod; 11, first convex ring; 2, carrier; 21, inclined plane; 3, sheath tube; 31, second convex ring. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can also be the internal connection of two components, it can be a wireless connection, or it can be a wired connection. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0027] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0028] The utility model embodiment discloses an open type freezing carrier rod 1, such as Figure 1-6 As shown, it includes: a carrier rod 1, a carrier film 2 and a sheath tube 3, the carrier film 2 is connected to the carrier rod 1 and is located in the sheath tube 3, an end of the carrier film 2 away from the carrier rod 1 is provided with an inclined surface 21 for distinguishing the front and back sides of the carrier film 2, a first convex ring 11 is provided on the carrier rod 1, and a second convex ring 31 is provided in the sheath tube 3; the first convex ring 11 is slidably engaged with the second convex ring 31 to lock the sheath tube 3 on the carrier rod 1.
[0029] It should be noted that, an inclined surface 21 for distinguishing the front and back sides of the carrier 2 is provided at the end of the carrier 2 away from the carrier rod 1, and the first convex ring 11 and the second convex ring 31 are slidably engaged with each other, so that the sheath tube 3 is locked on the carrier rod 1, thereby providing an open-type freezing carrier rod 1, which can distinguish the direction of the carrier 2 and prevent the sheath tube 3 from falling off during use, thereby improving the connection stability between the carrier rod 1 and the sheath tube 3.
[0030] like Figure 1-4 As shown, one end of the slide 2 relative to the carrier rod 1 is provided with an end mark for distinguishing the front and back sides of the slide 2. It should be noted that the setting of the end mark facilitates the user to distinguish the front and back sides of the slide 2, and can quickly and accurately operate.
[0031] like Figure 2 , Figure 5 and Figure 6 As shown, the sheath tube 3 and the second convex ring 31 are an integrally formed structure. It should be noted that the sheath tube 3 and the second convex ring 31 are integrally formed by injection molding, which is convenient to manufacture and has a low cost.
[0032] like Figure 2 , Figure 5 and Figure 6 As shown, the sheath tube 3 is made of medical grade polypropylene.
[0033] like Figure 2 , Figure 5 and Figure 6 As shown, the sheath tube 3 is a tubular structure with one end open and the other end closed. It should be noted that since the sheath tube 3 is a tubular structure with one end open and the other end closed, it is convenient to protect the slide 2 and prevent the embryo on the slide 2 from falling.
[0034] like Figure 2 and Figure 3 As shown, the carrier rod 1 and the first protruding ring 11 are an integrally formed structure.
[0035] like Figure 1-6 As shown, the carrier sheet 2 is bonded and fixed to the carrier rod 1. It should be noted that since the carrier sheet 2 is bonded and fixed to the carrier rod 1, it is convenient to assemble the split carrier rod 1.
[0036] like Figure 7 As shown, the slide 2 and the support rod 1 are an integrally formed structure. It should be noted that since the slide 2 and the support rod 1 are an integrally formed structure, the manufacturing is convenient, and the slide 2 and the support rod 1 are more firmly connected.
[0037] Working principle: An inclined surface 21 for distinguishing the front and back sides of the carrier 2 is provided at one end of the carrier 2 away from the carrier rod 1, and the first convex ring 11 and the second convex ring 31 are slidably engaged to lock the sheath tube 3 on the carrier rod 1, thereby providing an open-type freezing carrier rod 1, which can distinguish the direction of the carrier 2 and prevent the sheath tube 3 from falling off during use, thereby improving the connection stability between the carrier rod 1 and the sheath tube 3.
[0038] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.
Claims
1. An open type freezing carrier (1), characterized in that: include: A carrier rod (1), a carrier film (2) and a sheath tube (3), wherein the carrier film (2) is connected to the carrier rod (1) and is located in the sheath tube (3), an end of the carrier film (2) away from the carrier rod (1) is provided with an inclined surface (21) for distinguishing the front and back sides of the carrier film (2), a first convex ring (11) is provided on the carrier rod (1), and a second convex ring (31) is provided in the sheath tube (3); the first convex ring (11) and the second convex ring (31) are slidably engaged with each other so that the sheath tube (3) is locked on the carrier rod (1).
2. The open cryobar (1) according to claim 1, characterized in that: One end of the slide (2) relative to the support rod (1) is provided with an end mark for distinguishing the front and back sides of the slide (2).
3. The open cryobar (1) according to claim 1, characterized in that: The sheath tube (3) and the second convex ring (31) are an integrally formed structure.
4. The open cryobar (1) according to claim 1 or 3, characterized in that: The sheath tube (3) is made of medical-grade polypropylene.
5. The open cryobar (1) according to claim 1 or 3, characterized in that: The sheath tube (3) is a tubular structure with one end open and the other end closed.
6. The open cryobar (1) according to claim 1, characterized in that: The carrier rod (1) and the first convex ring (11) are an integrally formed structure.
7. The open cryobar (1) according to claim 1, 2 or 6, characterized in that: The carrier sheet (2) is bonded and fixed to the carrier rod (1).
8. The open cryobar (1) according to claim 1, 2 or 6, characterized in that: The carrier sheet (2) and the carrier rod (1) are an integrally formed structure.