Embryo transplantation tube

Abstract

According to the embryo transfer tube, the outer catheter and the inner core of the embryo transfer tube are integrally designed, the rear end of the push rod is controlled to be pushed and pulled through a rotary thread by screwing a handle, assembly is not needed before use, use is convenient, pushing and pulling are controlled through the rotary thread, extraction control is more accurate, normal nurses and medical staff can operate the embryo transfer tube, and the embryo transfer tube is convenient to use. The embryo can be accurately delivered to the position required by the endometrium; meanwhile, the outer catheter is a bendable shaping hose, the inner catheter is of a soft design, the shape of the transplantation catheter can be easily changed according to needs, use is more convenient, and unnecessary damage to the endometrium is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of embryo transfer devices, and particularly relates to an embryo transfer tube. Background Art

[0002] At present, embryo transfer is the main technical means for treating infertility. The factors affecting the success rate of embryo transfer mainly include: endometrial receptivity, embryo quality, embryo transfer technology, etc. However, the uterine cavity has a special environment, and a soft transfer tube must be used during the transfer process to avoid damaging the endometrium. Currently, the existing embryo transfer tubes are separated from the syringe, and each time they are used, the transfer tube and the syringe need to be sleeved and assembled before use. Excessive force during the assembly process is likely to cause the connection between the inner core of the transfer tube and the syringe to crack, and loose connection will ultimately lead to problems such as embryos remaining in the inner core of the embryo transfer tube and difficult operation during the embryo aspiration process. Therefore, further improvement is needed. Summary of the Utility Model

[0003] In view of this, the utility model provides an embryo transfer tube. Aiming at the problems of the existing technology, an integrated spiral control transfer tube is designed to solve the existing technical problems.

[0004] The purpose of the utility model is achieved through the following technical solutions:

[0005] An embryo transfer tube includes an outer catheter, and an inner core of the embryo transfer tube that is movably arranged in the outer catheter through a sleeve joint. The outer catheter is fixedly arranged on the outer side of the center of the front end of the sleeve joint.

[0006] The inner core of the embryo transfer tube includes a sleeve inserted into the center of the rear end of the sleeve joint, an inner catheter fixedly arranged on the outer side of the front end of the sleeve and communicated with the inside of the sleeve through a through hole in the middle of the front end of the sleeve, a steel needle movably arranged in the inner catheter, and a push rod movably arranged in the rear section of the sleeve. The inner catheter passes through the sleeve joint and is arranged in the outer catheter with a length longer than that of the outer catheter. A rubber stopper is fixedly arranged at the front end of the push rod, and the rubber stopper is movably arranged in the sleeve to form a piston mechanism. The rear section of the push rod is a turning handle, an external thread is arranged on the front section of the turning handle of the push rod, and an internal thread corresponding to the external thread of the push rod is arranged on the inner side of the rear section of the sleeve.

[0007] Furthermore, the outer catheter is a bendable and shape - setting flexible tube.

[0008] Furthermore, the inner catheter is a flexible tube.

[0009] The beneficial effects of the utility model are as follows:

[0010] The utility model integrates the outer catheter and the inner core of the embryo transfer tube. The rear end of the push rod is controlled by a rotary thread through a screwing handle for pushing and pulling. There is no need for assembly before use, which is convenient to use. Moreover, the pushing and pulling are controlled by the rotary thread, and the extraction control is more accurate. Normal nurses and medical staff can operate it, and the embryo can be accurately delivered to the required position of the endometrium. At the same time, the outer catheter is a bendable and shapeable flexible tube, and the inner catheter is soft in design, so that the shape of the transfer tube can be easily changed according to needs, which is more convenient to use and avoids causing unnecessary harm to the endometrium. Description of the Drawings

[0011] Figure 1 It is a schematic structural diagram of the embryo transfer tube in the present utility model;

[0012] Figure 2 It is a schematic disassembled diagram of the embryo transfer tube in the present utility model.

[0013] The description of the reference numerals in the drawings is as follows:

[0014] 1 is the outer catheter, 2 is the sleeve joint, 3 is the inner core of the embryo transfer tube, 301 is the sleeve, 302 is the inner catheter, 303 is the steel needle, 304 is the push rod, 305 is the rubber plug, and 306 is the screwing handle. Specific Embodiments

[0015] The following describes the embodiments of the present disclosure in detail with reference to the drawings.

[0016] The following illustrates the embodiments of the present disclosure through specific examples. Those skilled in the art can easily understand the other advantages and effects of the present disclosure from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of them. The present disclosure can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present disclosure without creative efforts fall within the scope of protection of the present disclosure.

[0017] For the convenience of operation and use and to reduce the harm to the endometrium, the specific content of the present utility model is as follows.

[0018] Combined with Figure 1 and Figure 2 As shown, an embodiment of the present utility model is an embryo transfer tube. Importantly, it includes an outer catheter 1, and an inner core 3 of the embryo transfer tube that can be movably sleeved in the outer catheter 1 through a sleeve joint 2. The outer catheter 1 is fixedly arranged outside the center of the front end of the sleeve joint 2.

[0019] The inner core 3 of the embryo transfer tube includes a sleeve 301 inserted at the center of the rear end of the sleeve joint 2, an inner catheter 302 fixedly arranged on the outer side of the front end of the sleeve 301 and communicated with the inside of the sleeve 301 through a through hole in the middle of the front end of the sleeve 301, a steel needle 303 movably arranged inside the inner catheter 302, a push rod 304 movably arranged in the rear section of the sleeve 301. The inner catheter 302 passes through the sleeve joint 2 and is arranged inside the outer catheter 1 with a length longer than that of the outer catheter 1. A rubber stopper 305 is fixedly arranged at the front end of the push rod 304. The rubber stopper 305 is movably arranged inside the sleeve 301 to form a piston mechanism. The rear section of the push rod 304 is a screwing handle 306. An external thread is arranged on the front section of the screwing handle 306 of the push rod 304, and an internal thread corresponding to the external thread of the push rod 304 is arranged on the inner side of the rear section of the 301 sleeve;

[0020] With such a design, the outer catheter 1 and the inner core 3 of the embryo transfer tube are integrally designed. The rear end of the push rod 304 is controlled to push and pull by rotating the thread through the screwing handle 306. No assembly is required before use, which is convenient to use. Moreover, by controlling the push and pull through the rotary thread, the extraction control is more accurate. Normal nurses and medical staff can operate it, and the embryo can be accurately delivered to the required position of the endometrium.

[0021] Preferably, the outer catheter 1 is a bendable and shape-setting flexible tube, which is convenient for shaping and use;

[0022] Preferably, the inner catheter 302 is a flexible tube with a deformable design;

[0023] With such a design, the outer catheter 1 is a bendable and shape-setting flexible tube, and the inner catheter 302 is of a soft design. The shape of the transfer tube can be easily changed according to needs, which is more convenient to use and can avoid causing unnecessary harm to the endometrium.

[0024] The above is only to illustrate the implementation mode of the present invention and is not used to limit the present invention. For those skilled in the art, any modification, equivalent replacement, improvement, etc. made without creative labor within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An embryo transfer tube, characterized in that: The invention comprises an outer catheter, an inner core of an embryo transfer tube which can be movably arranged in the outer catheter through a sleeve joint, and the outer catheter is fixedly arranged outside the center of the front end of the sleeve joint. The inner core of the embryo transplant tube includes a sleeve that is inserted and arranged at the center of the rear end of the sleeve joint, an inner catheter that is fixedly arranged on the outside of the front end of the sleeve and connected with the sleeve through a through hole in the middle of the front end of the sleeve, a steel needle that is movably arranged in the inner catheter, and a push rod that is movably arranged at the rear end of the sleeve. The inner catheter passes through the sleeve joint and is arranged in the outer catheter and is longer than the outer catheter. A rubber plug is fixedly arranged at the front end of the push rod, and the rubber plug is movably arranged in the sleeve to form a piston mechanism. The rear end of the push rod is a twisting handle, and the front end of the push rod twisting handle is provided with an external thread, and the inner side of the rear end of the sleeve is provided with an internal thread corresponding to the external thread of the push rod.

2. The embryo transfer tube according to claim 1, characterized in that: The outer conduit is a flexible and shaped hose.

3. The embryo transfer tube according to claim 1, characterized in that: The inner conduit is a hose.

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