CN213283275U

CN213283275U - Embryo transplantation tube

Info

Publication number: CN213283275U
Application number: CN202021125046.3U
Authority: CN
Inventors: 李俊峰; 付秀虹; 李荣香; 胥博
Original assignee: Luohe First Peoples Hospital
Current assignee: Luohe First Peoples Hospital
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-05-28
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a embryo transplantation tube, which comprises an ingress pipe and an implantation tube, wherein one end of the implantation tube is provided with a smooth tube orifice, and the other end is connected with a medical injector with an integrated structure; the introducing pipe comprises an inner pipe and an outer pipe, both ends of the inner pipe are of an opening structure, a sealing cavity is formed between the inner pipe and the outer pipe, and small iron beads for B-ultrasonic development are arranged at the end part of the sealing cavity; the one end that the induction tube kept away from little iron pearl be equipped with the connector, the shape of connector with the nipple end shape phase-match of medical syringe, still be equipped with in the connector and be used for fixing medical syringe's fixing device. The utility model discloses it is rational in infrastructure, can make the implantation tube go deep into the uterus with the induction tube in step, the uterus degree of depth is deepened to accurate control embryo transfer pipe, utilizes embryo transfer operation.

Description

Embryo transplantation tube

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a embryo transplantation pipe.

Background

In vitro fertilization-embryo transfer (IVF-ET) is the most commonly used mode of assisted reproduction technology, which is the uterine cavity in which oocytes and a mirror are cultured in vitro and then an embryo is transferred transcervically, wherein embryo transfer is an important link in IVF-ET.

However, the existing embryo transfer tube is troublesome to use, and the implantation tube can not be well fixed when being inserted into the leading-in tube, so that the depth and the accurate position of the implantation tube entering the uterus can not be intuitively mastered, and the use is troublesome.

Disclosure of Invention

To the problem that exists, the utility model aims at providing a embryo transplantation pipe, can fix after the implantation tube inserts the induction tube, makes implantation tube and induction tube can go deep into the uterus in step to accurate control implantation tube gets into uterine position.

In order to achieve the above object, the utility model adopts the following technical scheme:

a embryo transplantation tube comprises an introduction tube and an implantation tube, wherein one end of the implantation tube is provided with a smooth tube orifice, and the other end of the implantation tube is connected with a medical injector with an integrated structure; the method is characterized in that: the introducing pipe comprises an inner pipe and an outer pipe, both ends of the inner pipe are of an opening structure, a sealing cavity is formed between the inner pipe and the outer pipe, and small iron beads for B-ultrasonic development are arranged at the end part of the sealing cavity;

the one end that the induction tube kept away from little iron pearl be equipped with the connector, the shape of connector with the nipple end shape phase-match of medical syringe, still be equipped with in the connector and be used for fixing medical syringe's fixing device.

Furthermore, the connector comprises a first annular platform and a second annular platform, the first annular platform extends downwards to be connected with the second annular platform, and the second annular platform extends downwards to be connected with the edge of the outer pipe; the fixture is located inside the second annular platform.

Further, the fixing device comprises a fixing spring and an elastic ring; two fixing springs are symmetrically arranged on the inner side wall of the second annular platform extending downwards, and the free ends of the two fixing springs are connected through an elastic ring; the inner side of the elastic ring is provided with anti-skid grains.

Furthermore, a plurality of scale marks are uniformly arranged on the tube wall of the outer tube.

Further, the implantation tube has an inner diameter of 2.5-3.0Fr, an outer diameter of 3.1-3.5Fr, and a length of 24 cm.

Preferably, the inner diameter of the implantation tube is 2.8Fr, and the outer diameter is 3.3 Fr.

Further, the length of the inner pipe and the outer pipe is 17.3 cm; the inner diameter of the inner pipe is 6.2-7.0Fr, and the outer diameter of the outer pipe is 8.0-8.4 Fr.

Preferably, the inner diameter of the inner tube is 6.6Fr and the outer diameter of the outer tube is 8.2 Fr.

The utility model has the advantages that: compared with the prior art, the utility model has the improvement that,

1. the end part of the implantation tube of the utility model is integrally connected with the medical injector, thereby effectively avoiding the situation that the connection is not firm or not sealed due to human misoperation, thereby causing implantation failure when the implantation tube is connected with the injector;

2. the utility model is provided with the connector at the end of the lead-in tube, and the structure of the connector is matched with the nipple end structure of the medical injector, when the implantation tube is inserted into the lead-in tube, the connector can be completely attached to the nipple end of the medical injector, then the medical injector is fixed by the fixing device on the connector, so that the relative position of the lead-in tube and the implantation tube can not be changed, the lead-in tube and the implantation tube synchronously go deep into uterus, and the implantation tube can be more accurately positioned at the transplantation position;

2. the utility model discloses an induction pipe divide into inner tube and outer tube, and the inner tube supplies the implantation tube to insert, sets up in the sealed cavity that forms between inner tube and the outer tube to be used for the clear little iron bead of B ultrasonic development, can audio-visually see embryo transfer pipe and go deep into uterine condition, combines the scale mark on the induction pipe outer wall, and accurate control embryo transfer pipe goes deep into uterine degree of depth, utilizes embryo transfer operation and improves embryo transfer's success rate.

Drawings

FIG. 1 is a schematic view of the structure of the embryo transfer tube in use state.

Fig. 2 is a schematic view of the structure of the implant of the present invention.

Fig. 3 is a schematic view of the structure of the inlet tube of the present invention.

Fig. 4 is a schematic view of the structure of the connector of the present invention.

Fig. 5 is a top view of the connector structure of the present invention.

Wherein: 1-an introduction tube, 11-an inner tube, 12-an outer tube, 13-a small iron bead, 14-a graduation line, 2-an implantation tube, 3-a smooth tube orifice, 4-a medical injector, 5-a connector, 51-a first annular platform, 52-a second annular platform, 6-a fixing device, 61-a fixing spring and 62-an elastic ring.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.

Referring to FIGS. 1-5, an embryo transfer tube comprises an introducing tube 1 and an implanting tube 2; the leading-in pipe 1 adopts medical elasticity plastic material, the implantation pipe 2 adopts medical flexible soft materials, implantation pipe 2 can freely insert in the leading-in pipe 1.

One end of the implantation tube 2 is provided with a smooth tube opening 3, and the other end is connected with a medical injector 4 with an integrated structure; need not to be connected implantation tube 2 with the syringe when using, reduced the operating procedure, improved the availability factor, simultaneously, implantation tube 2 and medical syringe 4 structure as an organic whole can effectively avoid implantation tube 2 to be connected with the syringe, appear artificial misoperation and lead to connecting insecure or not sealed to the implantation failure that causes.

Further, the introducing tube 1 comprises an inner tube 11 and an outer tube 12, the length of the inner tube 11 is the same as that of the outer tube 12, the inner diameter of the inner tube 11 is smaller than the outer diameter of the nipple end of the medical injector 4, and the inner tube 11 is sleeved in the outer tube 12; both ends of the inner tube 11 are open structures, a sealed chamber is formed between the inner tube 11 and the outer tube 12,

the end part of the sealed cavity is provided with a small iron bead 13 for B-ultrasonic imaging; in order to reduce the injury of the embryo transfer tube to the uterus when extending into the uterus, one end of the outer tube 12 close to the small iron bead 13 is a conical structure, that is, the inner tube 11 and the outer tube 12 are connected by a rounded angle.

Further, a connector 5 is arranged at one end of the introducing pipe 1, which is far away from the small iron bead 13, and the shape of the connector 5 is matched with the shape of the nipple end of the medical injector 4; specifically, the connector 5 includes a first annular platform 51 and a second annular platform 52, the first annular platform 51 extends downward to be connected with the second annular platform 52, and the second annular platform 52 extends downward to be connected with the edge of the outer tube 12 and is bonded and fixed; the first annular platform 51, the second annular platform 52 and the connecting surface of the inner tube 11 and the outer tube 12 form a stepped structure, after the implantation tube 2 is inserted into the inner tube 11, because the inner diameter of the inner tube 11 is smaller than the outer diameter of the nipple end of the medical injector 4, the nipple end of the medical injector 4 is clamped on the connecting surface of the inner tube 11 and the outer tube 12, and cannot continue to move downwards, and at this time, the bottom of the implantation tube 2 is flush with the bottom of the introduction tube 1; the height that second annular platform 52 downwardly extending is the same with the length of 4 nipple ends of medical injector, the face that the needle tubing of medical injector 4 is connected with the nipple end with the laminating of second annular platform 52, connector 5 carry out preliminary location to the position of medical injector 4.

Further, because a certain gap is formed between the inner side surface of the downward extending part of the second annular platform 52 and the outer side surface of the nipple end of the medical injector 4, when embryo transplantation is performed, the medical injector 4 is easy to shake, so that the end part of the implantation tube 2 is shaken, and accurate positioning of the transplantation position cannot be performed. Therefore, a fixing device 6 for fixing the medical injector 4 is provided on the inner side wall of the connecting head 5.

Specifically, the fixing device 6 comprises a fixing spring 61 and an elastic ring 62; two fixing springs 61 are symmetrically arranged on the inner side wall of the downward extending part of the second annular platform 52, the free ends of the two fixing springs 61 are bonded with elastic rings 62, and the inner sides of the elastic rings 62 are provided with anti-skid grains; the in-process of pipe 2 insertion induction pipe 1 is implanted, when the nipple end of medical syringe 4 reachd the elastic ring 62 position, outwards expand elastic ring 62, fixed spring 61 guarantees that elastic ring 62's deformation lies in the horizontal direction all the time, treat that the nipple end portion of medical syringe 4 and the interface laminating of inner tube 11 and outer tube 12, loosen elastic ring 62, elastic ring 62 resumes deformation and fixes medical syringe 4's nipple end, the frictional force of anti-skidding line increase elastic ring 62 and medical syringe 4 nipple end, it is fixed more firm to make.

Further, a plurality of scale marks 14 are uniformly arranged on the wall of the outer tube 12, the distance between two adjacent scale marks 14 is 0.5cm, and preferably, ten scale marks 14 are provided. The scale marks 14 are arranged on the wall of the outer tube 12, so that the depth of the embryo transfer tube penetrating into the uterus can be accurately controlled, the embryo transfer operation is facilitated, and the embryo transfer success rate is improved.

Further, the implantation tube 2 has an inner diameter of 2.5-3.0Fr, an outer diameter of 3.1-3.5Fr, and a length of 24 cm.

Preferably, the implantation tube 2 has an inner diameter of 2.8Fr and an outer diameter of 3.3 Fr.

Further, the length of the inner tube 11 and the outer tube 12 is 17.3 cm; the inner diameter of the inner tube 11 is 6.2-7.0Fr, and the outer diameter of the outer tube 12 is 8.0-8.4 Fr.

Preferably, the inner diameter of the inner tube 11 is 6.6Fr and the outer diameter of the outer tube 12 is 8.2 Fr.

The embryo transplantation tube of the utility model is specifically operated when in use as follows: firstly, inserting an introducing pipe into a uterine cavity through a cervix, determining the position, placing an embryo into an implanting pipe, then inserting the implanting pipe into the introducing pipe, fixing a medical injector by using an elastic ring, then sending the implanting pipe into the uterine cavity through the introducing pipe, determining the depth of the implanting pipe penetrating into the uterus according to the B ultrasonic image of the small iron beads 13 and the scale marks on the outer pipe, pushing the medical injector, sending the embryo into the uterine cavity, taking out the introducing pipe and the implanting pipe, and completing the process of embryo transplantation.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A embryo transplantation tube comprises an introduction tube (1) and an implantation tube (2), wherein one end of the implantation tube (2) is provided with a smooth tube opening (3), and the other end of the implantation tube is connected with a medical injector (4) with an integrated structure; the method is characterized in that: the induction pipe (1) comprises an inner pipe (11) and an outer pipe (12), both ends of the inner pipe (11) are of an open structure, a sealed cavity is formed between the inner pipe (11) and the outer pipe (12), and small iron beads (13) for B-ultrasonic development to be clear are arranged at the end part of the sealed cavity;

the utility model discloses a medical injector, including leading-in pipe (1), the one end of little iron bead (13) be equipped with connector (5), the shape of connector (5) with the nipple end shape phase-match of medical injector (4), still be equipped with in connector (5) and be used for fixing device (6) of medical injector (4).

2. The embryo transfer tube according to claim 1, wherein: the connecting head (5) comprises a first annular platform (51) and a second annular platform (52), the first annular platform (51) extends downwards to be connected with the second annular platform (52), and the second annular platform (52) extends downwards to be connected with the edge of the outer pipe (12); the fixing means (6) are located inside the second annular platform (52).

3. The embryo transfer tube according to claim 2, wherein: the fixing device (6) comprises a fixing spring (61) and an elastic ring (62); two fixed springs (61) are symmetrically arranged on the inner side wall of the second annular platform (52) extending downwards, and the free ends of the two fixed springs (61) are connected through an elastic ring (62); the inner side of the elastic ring (62) is provided with anti-skid grains.

4. The embryo transfer tube according to claim 1, wherein: the pipe wall of the outer pipe (12) is uniformly provided with a plurality of scale marks (14).

5. The embryo transfer tube according to claim 1, wherein: the inner diameter of the implantation tube (2) is 2.5-3.0Fr, the outer diameter is 3.1-3.5Fr, and the length is 24 cm.

6. The embryo transfer tube of claim 5, wherein: the inner diameter of the implantation tube (2) is 2.8Fr, and the outer diameter is 3.3 Fr.

7. The embryo transfer tube according to claim 1, wherein: the length of the inner pipe (11) and the outer pipe (12) is 17.3 cm; the inner diameter of the inner tube (11) is 6.2-7.0Fr, and the outer diameter of the outer tube (12) is 8.0-8.4 Fr.

8. The embryo transfer tube of claim 7, wherein: the inner diameter of the inner tube (11) is 6.6Fr, and the outer diameter of the outer tube (12) is 8.2 Fr.