Embryo transplantation tube for treating infertility

Abstract

The invention discloses an embryo transplantation tube for treating infertility, and relates to the technical field of assisted reproduction medical instruments.The embryo transplantation tube comprises an embryo transplantation outer tube, a first round hole is formed in the top end of the embryo transplantation outer tube, and a limiting ring is fixedly installed at the position, close to the bottom end, of an inner cavity of the embryo transplantation outer tube; an embryo transplantation inner tube is movably inserted into an inner cavity of the limiting ring, a first round hole penetrates through the top end of the embryo transplantation inner tube, a hardness strengthening strip is arranged, and sodium carboxymethyl cellulose is added into the hardness strengthening strip to serve as a hardening agent, so that the hardness of the hardness strengthening strip is improved; the hardness of the embryo transplantation outer tube is improved by installing a plurality of hardness strengthening strips in the embryo transplantation outer tube, the use of the supporting inner core is reduced to a great extent, the operation difficulty is reduced, and the ports of the embryo transplantation outer tube and the embryo transplantation inner tube are arranged to be smooth in a cambered surface and spherical shape, so that damage and bleeding to endometrium can be reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of assisted reproductive medical equipment, in particular to an embryo transfer tube for treating infertility. Background Art

[0002] Infertility refers to the failure to conceive after one year of cohabitation without taking any contraceptive measures after marriage, having a normal sexual life, and living together as a couple.

[0003] When treating infertility, different assisted reproductive measures can be taken according to the patient's physical condition. In vitro fertilization-embryo transfer is one of them. When transferring embryos, embryo transfer tubes are usually used to perform embryo transfer. Embryo transfer tubes are mainly made of medical-grade Teflon tubing, and the front end of the outer tube has clear auxiliary positioning marks for accurate positioning. The outer tube is easy to shape, making it more conformable to human anatomy and easier to place.

[0004] However, the embryo transfer tube in the prior art still has some defects when used, such as:

[0005] 1. After cervical surgery such as cervical conization or cervical physical therapy, cervical canal scar formation, cervical internal os stenosis, cervical shortening and shrinkage that is difficult to expose, and the use of a support core is required;

[0006] 2. Excessive anteflexion of the cervix, diverticulum after cesarean section, and the difficulty of ordinary transplant tubes to smoothly enter the correct position of the uterine cavity require the use of a support core;

[0007] 3. The uterus is enlarged, the uterine cavity is deep, and the length of the transplant tube is insufficient. The uterine cavity is too deep, the top position of the transplant tube is not clear, and the scale line of the transplant tube cannot be displayed.

[0008] For this reason, the present invention proposes an embryo transfer tube for treating infertility. Summary of the invention

[0009] The technical problem solved by the present invention is to overcome the defects of the prior art such as insufficient hardness and unclear scale lines, and provide an embryo transfer tube for treating infertility.

[0010] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an embryo transfer tube for treating infertility, comprising an embryo transfer outer tube, a No. 1 circular hole is provided at the top of the embryo transfer outer tube, and a limiting ring is fixedly installed in the inner cavity of the embryo transfer outer tube near the bottom end, an embryo transfer inner tube is movably inserted in the inner cavity of the limiting ring, the top of the embryo transfer inner tube passes through the No. 1 circular hole and extends to the outside of the embryo transfer outer tube, and a No. 2 circular hole is provided at the top of the embryo transfer inner tube, the other end of the embryo transfer inner tube extends to the outside of the embryo transfer outer tube and is fixedly installed with a connector, a syringe is inserted and installed on the inner side of the connector, and a plurality of No. 1 annular grooves are provided on the outer side of the embryo transfer outer tube near the middle and rear, and the inner cavities of the plurality of No. 1 annular grooves are all sleeved with annular scale bars.

[0011] Preferably, the widths of several of the No. 1 annular grooves are increased in sequence, and the widths of several of the annular scale bars are increased in sequence, and the No. 1 annular grooves and the corresponding annular scale bars are matched.

[0012] Preferably, a second annular groove is provided on the outer side of the embryo transplant outer tube near the bottom end, and a hand-held sleeve is fixedly sleeved in the inner cavity of the second annular groove.

[0013] Preferably, an anti-slip sleeve is embedded in the inner cavity of the connector, and the inner wall of the anti-slip sleeve fits the outer side of the syringe.

[0014] Preferably, a plurality of hardness reinforcement strips are fixedly connected to the inner wall of the embryo transplant outer tube, and the plurality of hardness reinforcement strips are evenly distributed in a ring shape.

[0015] Preferably, sodium carboxymethyl cellulose is added to the plurality of hardness enhancing strips 8 as a hardener.

[0016] Preferably, an embryo baffle is fixedly installed in the inner cavity of the embryo transplant inner tube.

[0017] Preferably, the top of the embryo transplant outer tube and the top of the embryo transplant inner tube are both spherical.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. When the present invention is in use, a hardness reinforcement strip is provided, and sodium carboxymethyl cellulose (harmless to the human body and embryos, and can be used in the medical field) is added to the hardness reinforcement strip as a hardener to improve the hardness of the hardness reinforcement strip itself. A plurality of hardness reinforcement strips are installed inside the embryo transplant outer tube to improve the hardness of the embryo transplant outer tube, thereby greatly reducing the use of the supporting inner core and reducing the difficulty of the operation. In addition, the ports of the embryo transplant outer tube and the embryo transplant inner tube are both curved and spherical and smooth, which can reduce damage to the endometrium and bleeding.

[0020] 2. When the present invention is in use, by providing an embryo baffle and a plurality of annular scale bars, the embryo baffle can be used to block the embryo after it is sucked into the embryo transplant inner tube to prevent the embryo from slipping. At the same time, the provision of the plurality of annular scale bars can facilitate medical staff to check the insertion depth, position, etc. of the embryo transplant outer tube, and the widths of the plurality of annular scale bars are different. Plant dyes (harmless to the human body and embryos) can also be added to the annular scale bars, and the plurality of annular scale bars can be sorted and dyed, which further facilitates medical staff to check. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the external structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention and an enlarged diagram of the local structure;

[0023] Figure 3 For the present invention Figure 2 Schematic diagram of the local structure in;

[0024] Figure 4 This is a schematic diagram of the structure of the inner tube for embryo transplantation of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the outer tube for embryo transplantation of the present invention.

[0026] Numbers in the figure: 1. Embryo transfer outer tube; 2. No. 1 round hole; 3. No. 1 annular groove; 4. No. 2 annular groove; 5. Annular scale bar; 6. Embryo transfer inner tube; 7. No. 2 round hole; 8. Hardness enhancement bar; 9. Embryo baffle; 10. Connector; 11. Syringe; 12. Hand-held sleeve; 13. Limiting ring; 14. Anti-slip sleeve. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-5The present invention provides a technical solution: an embryo transfer tube for treating infertility, comprising an embryo transfer outer tube 1, a No. 1 circular hole 2 is provided at the top of the embryo transfer outer tube 1, and a limiting ring 13 is fixedly installed near the bottom of the inner cavity of the embryo transfer outer tube 1, an embryo transfer inner tube 6 is movably inserted in the inner cavity of the limiting ring 13, the top of the embryo transfer inner tube 6 passes through the No. 1 circular hole 2 and extends to the outside of the embryo transfer outer tube 1, and a No. 2 circular hole 7 is provided at the top of the embryo transfer inner tube 6, the other end of the embryo transfer inner tube 6 extends to the outside of the embryo transfer outer tube 1, and a connector 10 is fixedly installed, a syringe 11 is inserted and installed on the inner side of the connector 10, and a plurality of No. 1 annular grooves 3 are provided on the outer side of the embryo transfer outer tube 1 near the middle and rear, and the inner cavities of the plurality of No. 1 annular grooves 3 are all sleeved with annular scale bars 5.

[0029] It should be noted that the embryo transfer outer tube 1 has a certain degree of bending and deformability.

[0030] See also Figure 1 and Figure 5 The widths of several No. 1 annular grooves 3 are increased successively, and the widths of several annular scale bars 5 are increased successively. The No. 1 annular grooves 3 and the corresponding annular scale bars 5 are matched with each other, and this setting makes it convenient for medical staff to identify the annular scale bars 5.

[0031] See also Figure 1 and Figure 5 A second annular groove 4 is provided near the bottom of the outer side of the embryo transplant outer tube 1, and a hand-held sleeve 12 is fixedly sleeved in the inner cavity of the second annular groove 4. Through this arrangement, medical staff can hold and pinch the hand-held sleeve 12, and use the anti-slip measure of the hand-held sleeve 12 to improve the stability of subsequent operations.

[0032] See also Figure 3 The inner cavity of the connector 10 is inlaid with an anti-slip cover 14, and the inner wall of the anti-slip cover 14 fits the outer side of the syringe 11. This arrangement can increase the friction between the inner wall of the connector 10 and the outer wall of the syringe 11, thereby improving the firmness of the connection between the connector 10 and the syringe 11, and avoiding the separation of the connector 10 and the syringe 11, which would affect the operation.

[0033] See also Figure 2 and Figure 4 A plurality of hardness reinforcement strips 8 are fixedly connected to the inner wall of the embryo transplant outer tube 1, and the plurality of hardness reinforcement strips 8 are evenly distributed in a ring shape. Sodium carboxymethyl cellulose is added to the plurality of hardness reinforcement strips 8 as a hardener. By adding sodium carboxymethyl cellulose as a hardener to the plurality of hardness reinforcement strips 8, the hardness of the hardness reinforcement strips 8 is improved, which can greatly improve the hardness of the embryo transplant outer tube 1 and reduce the number of times the supporting inner core is used.

[0034] See also Figure 2and Figure 3 An embryo baffle 9 is fixedly installed in the inner cavity of the embryo transfer inner tube 6. Through this arrangement, after the embryo is adsorbed into the inner cavity of the embryo transfer inner tube 6, the embryo baffle 9 is used to block it, preventing the embryo from being sucked into the deep of the embryo transfer inner tube 6 or even into the syringe 11, which affects the subsequent operation.

[0035] It should be noted that the embryo blocking piece 9 is fixed inside the embryo transfer inner tube 6 and is breathable. It can absorb the embryo under the pressure generated by the syringe 11 and push the embryo out of the embryo transfer inner tube 6 .

[0036] See also Figure 1 The top of the embryo transfer outer tube 1 and the top of the embryo transfer inner tube 6 are both spherical. This arrangement can effectively reduce damage and bleeding to the patient's endometrium and improve safety performance.

[0037] Working principle: When the present invention is used, the transplant outer tube 1 is first inserted into the patient's uterine cavity. During this period, a plurality of hardness reinforcement strips 8 are used to strengthen the strength of the embryo transplant outer tube 1, and sodium carboxymethyl cellulose is added to the hardness reinforcement strips 8 as a hardener (sodium carboxymethyl cellulose is harmless to the human body and can be used in the medical field) to improve the hardness of the hardness reinforcement strips 8, further ensure the strength of the embryo transplant outer tube 1, and can greatly reduce the use of the supporting inner core, reduce the difficulty of the operation, and the ports of the embryo transplant outer tube 1 and the embryo transplant inner tube 6 are both curved and round. The smooth spherical setting can reduce damage and bleeding to the endometrium. At the same time, during the insertion process of the embryo transplant outer tube 1, the multiple annular scale bars 5 on the outside are also driven to slide and insert with the embryo transplant outer tube 1. The multiple annular scale bars 5 are convenient for medical staff to check the insertion depth, position, etc. of the embryo transplant outer tube 1, and plant dyes of different colors can be added to the annular scale bars 5. The added plant dyes are harmless to the human body and the colors can be sorted. At the same time, the widths of the multiple annular scale bars 5 decrease from top to bottom, which further facilitates medical staff to identify the length and depth.

[0038] When the transplant outer tube 1 is moved to the appropriate position in the patient's uterine cavity, the syringe 11 is used to connect it to the embryo transplant inner tube 6, and the embryo is adsorbed into the inner cavity of the embryo transplant inner tube 6. At this time, the embryo baffle 9 inside the embryo transplant inner tube 6 is used to block it, effectively preventing the embryo from sliding at will, and then the embryo transplant inner tube 6 is moved so that the embryo transplant inner tube 6 enters the patient's uterine cavity along the embryo transplant outer tube 1, and pressure is applied by the syringe 11 so that the embryo inside the embryo transplant inner tube 6 can be pressurized to enter the patient's uterine cavity along the embryo transplant inner tube 6 to complete the embryo transplantation. Finally, the embryo transplant outer tube 1, embryo transplant inner tube 6 and other components can be removed at the same time to complete the separation from the patient.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An embryo transfer tube for treating infertility, comprising an embryo transfer outer tube (1), characterized in that: The top of the embryo transplant outer tube (1) is provided with a No. 1 circular hole (2), and a limiting ring (13) is fixedly installed near the bottom of the inner cavity of the embryo transplant outer tube (1), and the inner cavity of the limiting ring (13) is movably connected with the embryo transplant inner tube (6), the top of the embryo transplant inner tube (6) passes through the No. 1 circular hole (2) and extends to the outside of the embryo transplant outer tube (1), and the top of the embryo transplant inner tube (6) is provided with a No. 2 circular hole (7), the other end of the embryo transplant inner tube (6) extends to the outside of the embryo transplant outer tube (1) and is fixedly installed with a connector (10), and a syringe (11) is inserted and installed on the inner side of the connector (10), and a plurality of No. 1 annular grooves (3) are provided near the middle and rear of the outer side of the embryo transplant outer tube (1), and the inner cavities of the plurality of No. 1 annular grooves (3) are all sleeved with annular scale bars (5).

2. The embryo transfer tube for treating infertility according to claim 1, characterized in that: The widths of the plurality of first annular grooves (3) increase in sequence, and the widths of the plurality of annular scale bars (5) increase in sequence, and the first annular grooves (3) and the corresponding annular scale bars (5) are arranged to match each other.

3. The embryo transfer tube for treating infertility according to claim 1, characterized in that: A second annular groove (4) is provided on the outer side of the embryo transplant outer tube (1) near the bottom end, and a hand-held sleeve (12) is fixedly sleeved in the inner cavity of the second annular groove (4).

4. The embryo transfer tube for treating infertility according to claim 1, characterized in that: The inner cavity of the connector (10) is inlaid with an anti-slip sleeve (14), and the inner wall of the anti-slip sleeve (14) is in contact with the outer side of the syringe (11).

5. The embryo transfer tube for treating infertility according to claim 1, characterized in that: A plurality of hardness reinforcement strips (8) are fixedly connected to the inner wall of the embryo transplant outer tube (1), and the plurality of hardness reinforcement strips (8) are evenly distributed in a ring shape.

6. The embryo transfer tube for treating infertility according to claim 5, characterized in that: Sodium carboxymethyl cellulose is added to a plurality of the hardness enhancing strips (8) as a hardening agent.

7. The embryo transfer tube for treating infertility according to claim 1, characterized in that: An embryo blocking piece (9) is fixedly installed in the inner cavity of the embryo transplant inner tube (6).

8. The embryo transfer tube for treating infertility according to claim 1, characterized in that: The top of the embryo transplant outer tube (1) and the top of the embryo transplant inner tube (6) are both spherical.

9. The method for using the embryo transfer tube for treating infertility according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1: First, the embryo transplant outer tube 1 is inserted into the patient's uterine cavity. During this period, the strength of the embryo transplant outer tube (1) is strengthened by using a plurality of hardness reinforcement strips (8). The hardness reinforcement strips (8) are added with a material called sodium carboxymethyl cellulose as a hardener to increase the hardness of the hardness reinforcement strips (8) and further ensure the strength of the embryo transplant outer tube (1). This can greatly reduce the use of the supporting inner core and reduce the difficulty of the operation. In addition, the ports of the embryo transplant outer tube (1) and the embryo transplant inner tube (6) are both curved and spherical and smooth, which can reduce damage to the endometrium and bleeding. S2: During the insertion of the embryo transfer outer tube (1), the plurality of annular scale bars (5) on the outside are also driven to slide and insert along with the embryo transfer outer tube (1). The plurality of annular scale bars (5) are used to facilitate medical personnel to check the insertion depth, position, etc. of the embryo transfer outer tube (1). Plant dyes of different colors can be added to the annular scale bars (5). The added plant dyes are harmless to the human body and the colors can be sorted. At the same time, the widths of the plurality of annular scale bars (5) decrease from top to bottom, which further facilitates medical personnel to identify the length and depth. S3: When the transplant outer tube 1 is moved to a suitable position in the patient's uterine cavity, the syringe 11 is connected to the embryo transplant inner tube 6 to absorb the embryo into the inner cavity of the embryo transplant inner tube 6. At this time, the embryo blocking piece 9 inside the embryo transplant inner tube 6 is used to block it, effectively preventing the embryo from sliding freely; S4: Then, the embryo transfer inner tube (6) is moved so that the embryo transfer inner tube (6) enters the patient's uterine cavity along the embryo transfer outer tube (1), and pressure is applied using a syringe (11) so that the embryo inside the embryo transfer inner tube (6) can be pressed and enter the patient's uterine cavity along the embryo transfer inner tube (6), thereby completing the embryo transfer. At this time, the embryo transfer outer tube (1) and the embryo transfer inner tube (6) can be removed simultaneously to complete the separation from the patient.

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