Valve type automatic sealing vitrification freezing loading rod easy and convenient to operate

Abstract

The utility model discloses a valve type automatic sealing vitrification freezing carrying rod easy and convenient to operate, relates to the technical field of medical instruments, and aims to solve the problem that an existing carrying rod is composed of a main body and a sleeve cap, and an operator needs to sleeve the sleeve cap on the carrying rod main body below the liquid level of a liquid nitrogen box, so that the operation difficulty is large. According to the key points of the technical scheme, the device comprises a cannula, an inner valve groove is formed in one end of the interior of the cannula, an inner valve is arranged in the inner valve groove, a blocking base is arranged at one end of the inner valve groove, a retracting and releasing chamber is arranged at one end of the blocking base, and a sealing blocking base is installed on one side of the cannula; a clamping groove is formed in one end of the sealing blocking base, a carrying rod is installed at one end of the storage chamber and comprises a connecting rod, a carrying piece and a handle, the carrying piece is arranged at one end of the connecting rod, the handle is arranged at the other end of the connecting rod, and a limiting base is arranged at one end of the outer wall of the connecting rod; and a concave hole is formed in one end of the slide glass.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially is involved in a kind of valve formula automatic sealing vitrification frozen carrier pole of simple operation. BACKGROUND

[0002] Vitrification freezing technology is a kind of method of quick freezing cell or tissue, with the development of assisted reproductive technology and is widely concerned and applied, the technology has the advantages such as quick freezing speed, freeze-thaw damage is small, simple operation, can improve survival rate and pregnancy success rate after freezing recovery, vitrification freezing technology is mainly affected by a series of factors such as the type and concentration of cryoprotectant, freezing temperature, freezing speed and freezing bearing tool in clinical application, wherein freezing carrier as the carrier of preserving gamete, embryo, it is indispensable important consumables in this technology, therefore, glassization freezing carrier is needed when quick freezing cell or tissue is frozen.

[0003] Through retrieval, the authorized announcement No.CN210538461U discloses a kind of glassization freezing carrier, including stem and sleeve, stem includes sequentially connected stem body, taper and cell slide, taper with the small diameter end of cell slide connection.The sleeve can be placed in the cell slide and taper outside.The cross section of the cell slide is rectangular.The one side of the cell slide is provided with the u-shaped groove extending along its length direction, and the u-shaped groove is located in the central position in the width direction of cell slide.It improves the structure of cell slide, eliminates the constraint factor of cell slide on survival rate in cell preservation, and improves the survival rate of frozen cell sample.

[0004] But the existing carrier pole is divided into main body and sleeve cap two parts, and the operator needs to put the sleeve cap on the carrier main body under the liquid nitrogen box liquid level, and the liquid nitrogen vapor and liquid level corrugation refraction will affect the operator experiment during operation, and in actual operation, long tweezers must be used to clamp the slender sleeve cap and carrier handle respectively to sleeve, and the operation difficulty is relatively large, so there is an urgent need for a kind of valve formula automatic sealing vitrification frozen carrier pole to solve these problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of valve formula automatic sealing vitrification frozen carrier pole of simple operation to solve the problem that the existing carrier pole is divided into main body and sleeve cap two parts in the above background art, and operator needs to put the sleeve cap on the carrier main body under the liquid nitrogen box liquid level, so that the operation difficulty is large.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a simple operation's valve formula automatic sealing vitrification carrier pole, including sleeve, the inside one end of sleeve is provided with inner valve groove, the inside of inner valve groove is provided with inner valve, one end of inner valve groove is provided with stop seat, one end of stop seat is provided with take -up chamber, the inside one end of sleeve is provided with screw groove no.

[0008] By adopting the above technical scheme, the carrier can be conveniently taken up and down, so that the embryo can be conveniently protected.

[0009] Further, the stop seat and the sleeve are an integral structure, and the stop seat is internally provided with a through groove.

[0010] By adopting the above technical scheme, the structure between the stop seat and the sleeve can be more firm, and the through groove can facilitate the movement of the carrier.

[0011] Further, the inside one end of the sealing stop seat is provided with a screw groove two corresponding to the screw groove one, the sleeve and the sealing stop seat are fixedly connected through a fixing screw, one end of the fixing screw passes through the screw groove two and extends to the inside of the screw groove one, and the fixing screw is provided with four.

[0012] By adopting the above technical scheme, the sealing stop seat and the sleeve can be conveniently installed and fixed through the fixing screw.

[0013] Further, the connecting rod and the carrier are an integral structure, and the connecting rod and the handle are an integral structure.

[0014] By adopting the above technical scheme, the structure between the connecting rod and the carrier can be more firm, and the structure between the connecting rod and the handle can be more firm, so that the carrier structure is more firm.

[0015] Further, the limiting seat and the connecting rod are an integral structure, and the limiting seat is correspondingly provided with the clamping groove.

[0016] By adopting the above technical scheme, the structure between the limiting seat and the connecting rod can be more firm, and the carrier can be clamped through the limiting seat and the clamping groove.

[0017] Further, the recess hole has a diameter of 0.25 mm, and the recess hole is punched through laser punching technology.

[0018] By adopting the technical scheme, the laser perforating technology is used for perforating, so that the embryo can be conveniently placed in the concave hole, and the embryo can be safely prevented and clearly observed under a microscope through the plane carrier and the concave hole.

[0019] Further, the inner part of the handle outer wall is provided with friction stripes, and the friction stripes are sequentially distributed in the inner part of the handle outer wall.

[0020] By adopting the technical scheme, the friction between the handle and the hand can be improved through the friction stripes, so that the handle can be prevented from slipping when being pulled.

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] (1) The utility model discloses a handle, which can conveniently pull the carrier to move, and the carrier is clamped through the limiting seat and the clamping groove, so that the carrier can be protected in the inner valve groove, and the embryo in the concave hole of the carrier can be conveniently stored when being frozen in liquid nitrogen, so that the operation is simple, and the use is more convenient.

[0023] (2) The utility model discloses a laser technology for forming the concave hole, so that the embryo can be conveniently placed in the concave hole through the plane carrier and the concave hole, the embryo can be safely and stably placed, and the embryo can be clearly observed under a microscope, so that the effect of use is improved through the protection of the carrier. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the overall front view of the utility model;

[0025] Figure 2 It is the overall sectional view of the utility model;

[0026] Figure 3 It is the sleeve side view of the utility model;

[0027] Figure 4 It is the Figure 2 A zone local enlarged view of the utility model.

[0028] In the drawing: 1, sleeve; 101, inner valve groove; 102, folding chamber; 103, thread groove one; 2, inner valve; 3, stop seat; 301, through groove; 4, sealing stop seat; 401, thread groove two; 402, clamping groove; 5, fixed screw; 6, connecting rod; 601, limiting seat; 7, carrier; 701, concave hole; 8, handle; 801, friction stripe; 9, carrier. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0030] Please refer to Figures 1-4 The utility model provides an embodiment: a valve formula automatic sealing glassification frozen carrier pole simple operation, including sleeve 1, sleeve 1 inside one end is provided with inner valve groove 101, the inside of inner valve groove 101 is provided with inner valve 2, one end of inner valve groove 101 is provided with stop seat 3, stop seat 3 is integral structure with sleeve 1, the inside of stop seat 3 is provided with through slot 301, one end of stop seat 3 is provided with storage chamber 102, the inside one end of sleeve 1 is provided with screw groove one 103, one side of sleeve 1 is installed with sealing stop seat 4, the inside one end of sealing stop seat 4 is provided with clamping groove 402, one end of storage chamber 102 is installed with carrier 9, carrier 9 includes connecting rod 6, carrier 7 and handle 8, one end of connecting rod 6 is provided with carrier 7, the other end of connecting rod 6 is provided with handle 8, connecting rod 6 is integral structure with carrier 7, connecting rod 6 is integral structure with handle 8, one end of connecting rod 6 outer wall is provided with limit seat 601, limit seat 601 is integral structure with connecting rod 6, limit seat 601 is correspondingly provided with clamping groove 402, the inside one end of carrier 7 is provided with recess hole 701, recess hole 701 diameter is 0.25mm, recess hole 701 is punched by laser drilling technology, the inside of handle 8 outer wall is provided with friction stripe 801, friction stripe 801 is provided with several, several friction stripe 801 is sequentially distributed in the inside of handle 8 outer wall, wherein through inner valve 2 can conveniently seal inner valve groove 101, this can protect the embryo placed in the recess hole 701 of carrier 7, through the recess hole 701 of carrier 7 can conveniently place the embryo in the inside of recess hole 701, this can safely and stably place embryo, can also clearly observe embryo under microscope, through handle 8 can conveniently pull carrier 9 and move, through limit seat 601 and clamping groove 402 are clamped, this can make carrier 7 move to the inside of inner valve groove 101 and protect, it needs to be explained that, in order to save space, highlight the patent innovation elements, such as how to drill the recess hole, and the process of placing embryo, do not repeat in this patent.

[0031] Please refer to Figure 2 And Figure 4The inner part of one end of the sealing stop 4 is provided with a second screw groove 401 corresponding to the first screw groove 103, the sleeve 1 and the sealing stop 4 are fixedly connected through the fixing screws 5, one end of the fixing screws 5 passes through the second screw groove 401 and extends to the inner part of the first screw groove 103, the fixing screws 5 are four, the sealing stop 4 and the sleeve 1 can be conveniently installed and fixed through the fixing screws 5, so that the carrier rod 9 can be conveniently installed.

[0032] Working principle: when in use, the carrier rod 9 can be conveniently pulled and moved by pulling the handle 8, the carrier slide 7 is clamped through the limiting seat 601 and the clamping groove 402, so that the carrier slide 7 can be moved to the inner part of the inner valve groove 101 for protection, then when the liquid nitrogen is frozen, the inner valve 2 is closed, so that the embryo in the recessed hole 701 of the carrier slide 7 can be conveniently stored, the recessed hole 701 is formed through laser technology, the embryo can be conveniently placed in the recessed hole 701 through the plane carrier slide 7 and the recessed hole 701, so that the embryo can be safely and stably placed, and the embryo can be clearly observed under a microscope, so that the effect of use is improved by protecting the carrier slide 7.

[0033] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A valve-type automatic sealing vitrification cryopropellant rod that is easy to operate, comprising a sleeve (1), characterized in that: An inner valve groove (101) is provided at one end of the inner valve groove (101), and an inner valve (2) is provided inside the inner valve groove (101). A stop (3) is provided at one end of the inner valve groove (101), and a receiving chamber (102) is provided at one end of the stop (3). A threaded groove (103) is provided inside one end of the sheath (1). A sealing stop (4) is installed on one side of the sheath (1). The inner side of the sealing stop (4) is... The part is provided with a snap-fit ​​groove (402), and a carrier rod (9) is installed at one end of the receiving chamber (102). The carrier rod (9) includes a connecting rod (6), a carrier plate (7) and a handle (8). One end of the connecting rod (6) is provided with a carrier plate (7), and the other end of the connecting rod (6) is provided with a handle (8). One end of the outer wall of the connecting rod (6) is provided with a limit seat (601), and one end of the carrier plate (7) is provided with a recessed hole (701).

2. The valve-type automatic sealing vitrification cryopropellant bar with simple operation according to claim 1, characterized in that: The stop (3) and the sleeve (1) are an integral structure, and the inside of the stop (3) is provided with a through groove (301).

3. The valve-type automatic sealing vitrification cryopropellant bar with simple operation according to claim 2, characterized in that: The sealing stop (4) has a threaded groove (401) inside one end that corresponds to the threaded groove (103). The sleeve (1) and the sealing stop (4) are fixedly connected by fixing screws (5). One end of the fixing screw (5) passes through the threaded groove (401) and extends into the inside of the threaded groove (103). There are four fixing screws (5).

4. The valve-type automatic sealing vitrification cryopropellant bar with simple operation according to claim 3, characterized in that: The connecting rod (6) and the carrier plate (7) are an integral structure, and the connecting rod (6) and the handle (8) are an integral structure.

5. The valve-type automatic sealing vitrification cryopropellant bar with simple operation according to claim 4, characterized in that: The limiting seat (601) and the connecting rod (6) are an integral structure, and the limiting seat (601) is correspondingly provided with the snap-fit ​​groove (402).

6. The valve-type automatic sealing vitrification cryopropellant bar with simple operation according to claim 5, characterized in that: The concave hole (701) has a diameter of 0.25 mm and is drilled using laser drilling technology.

7. The valve-type automatic sealing vitrification cryopropellant bar with simple operation according to claim 6, characterized in that: The inner wall of the handle (8) is provided with friction stripes (801), and there are several friction stripes (801) arranged in sequence on the inner wall of the handle (8).

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