CN119837614B - Embryo transplanter for test tube baby - Google Patents
Embryo transplanter for test tube baby Download PDFInfo
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- CN119837614B CN119837614B CN202510322503.9A CN202510322503A CN119837614B CN 119837614 B CN119837614 B CN 119837614B CN 202510322503 A CN202510322503 A CN 202510322503A CN 119837614 B CN119837614 B CN 119837614B
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- inner tube
- embryo
- tube
- syringe
- response block
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B17/425—Gynaecological or obstetrical instruments or methods for reproduction or fertilisation
- A61B17/435—Gynaecological or obstetrical instruments or methods for reproduction or fertilisation for embryo or ova transplantation
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pregnancy & Childbirth (AREA)
- Gynecology & Obstetrics (AREA)
- Transplantation (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of surgical instruments, in particular to an embryo transplanting device for a test tube infant, which comprises a syringe, an inner tube and an outer tube, wherein one end of the inner tube is connected with one end of the syringe, the syringe is used for sucking embryos into the inner tube, the inner tube is inserted into the outer tube, one end of the inner tube, which is far away from the syringe, is provided with a plugging piece capable of opening and closing, the plugging piece is formed by splicing a plurality of fan-shaped pieces in pairs, the plugging piece swings and opens towards the direction of the syringe when the syringe sucks the embryos into the inner tube, and swings and opens towards the direction far away from the syringe when the syringe discharges the embryos from the inner tube, the plugging piece is in a closed state in the process of stretching the inner tube into the uterus so as to prevent the embryos from being discharged from the inner tube, and the plugging piece is in a closed state after the embryos in the inner tube are discharged out of the inner tube so as to prevent the embryos from being sucked back into the inner tube. The invention solves the technical problems that embryo is easily sucked out in early time and sucked back after embryo injection in the embryo transplanting device in the prior art.
Description
Technical Field
The invention relates to the technical field of surgical instruments, in particular to an embryo transfer device for a test tube infant.
Background
At present, the in vitro fertilization inoculation test tube infant is a relatively mature technology, and can help a family incapable of natural inoculation to obtain a child. In the test tube infant, the ovum and sperm are taken out of the body for in vitro fertilization, so that after an early embryo is formed, the embryo is transplanted into the uterus of a female, and the embryo is inoculated in the uterus of the female to form the infant. In transferring embryos into a female uterus, it is often necessary to use an embryo transfer device comprising a syringe, an inner tube connected to the head of the syringe, and an outer tube sleeved outside the inner tube. When the embryo transfer device is used, the embryo is sucked into the inner tube, then the inner tube is stretched into the uterus of a female, and the embryo in the inner tube is injected into the uterus of the female by using the injector.
In the process of extending into the uterus of a female, the existing embryo transfer device is sucked out of the inner tube when the embryo transfer device does not reach a designated position due to the pressure difference between the interior and the exterior of the uterus, so that embryo transfer failure is caused, and in addition, after embryo injection is finished, suck-back is easy to occur, so that an embryo is sucked back into the inner tube, and embryo transfer failure is also caused.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an embryo transfer device for a test tube infant, which aims to solve the technical problems that the embryo transfer device in the prior art is easy to suck out embryos prematurely and is easy to suck back after embryo injection.
The invention relates to an embryo transfer device for a test tube infant, which adopts the following technical scheme:
The utility model provides an embryo transfer ware for test tube baby, includes syringe, inner tube and outer tube, the one end of inner tube is connected with the one end of syringe, the syringe is used for inhaling the embryo in the inner tube, the inner tube inserts in the outer tube, the one end of deviating from the syringe of inner tube is equipped with the shutoff piece that can open and shut, the shutoff piece is pieced together by a plurality of fan-shaped pieces, the shutoff piece swings towards the syringe direction when the syringe is inhaled the embryo in the inner tube, swings towards deviating from the syringe direction when the syringe is discharged the embryo from the inner tube and opens, the shutoff piece is in the in-process that stretches into uterus in the inner tube to prevent the embryo from discharging in the inner tube, the shutoff piece is in the closed state after the embryo in the inner tube is discharged outside the inner tube, in order to prevent the embryo from being inhaled back in the inner tube.
Further, one end of the inner tube, which is far away from the injector, is provided with a response block, the response block is used for prompting the position of the inner tube extending into the uterus, the response block is hollow and tubular, and the sealing piece is arranged in the response block.
Further, the coaxial elastic ring that is equipped with on the one end inner wall of response piece, the cross-section of elastic ring is the ripple form, the shutoff piece sets up the inside of elastic ring, the shutoff piece passes through the elastic piece setting on the response piece, the elastic ring includes first ripple section and the second ripple section about shutoff piece symmetrical arrangement, the cross-section of first ripple section and second ripple section is the convex surface and towards the inside arc of inner tube.
Further, a plurality of deformation holes are formed in the first corrugated section and the second corrugated section in a circumferentially spaced mode, so that the first corrugated section and the second corrugated section can be elastically deformed when the plugging sheet swings open.
Further, the response block comprises a first pipe section and a second pipe section, the outer diameters of the first pipe section and the second pipe section are the same, the inner diameter of the first pipe section is smaller than that of the second pipe section, the elastic ring is arranged on the inner wall of the second pipe section, and the inner diameter of the elastic ring is smaller than that of the first pipe section.
Further, the elastic ring and the response block are made of the same material and are made of metal.
Further, the response piece is integrally injection molded in the inner tube, and the inner diameter of the inner tube is the same as the inner diameter of the first tube section of the response piece.
Further, one end of the outer tube, which is close to the injector, is provided with a connecting sleeve, and the connecting sleeve is used for being connected with an endoscope part.
Further, a connecting raised head is arranged in the middle of the outer tube.
Further, one end of the inner tube away from the syringe extends out of the outer tube, and the blocking piece is located at a portion of the inner tube extending out of the outer tube.
The embryo transplanting device for the test tube infant has the beneficial effects that the sealing piece is arranged at one end of the inner tube far away from the injector, when the embryo is sucked into the inner tube by the injector, the nutrient solution can wash away all the fan-shaped pieces of the sealing piece towards the direction of the injector under the negative pressure effect of the injector because the embryo is positioned in the nutrient solution, so that the embryo enters the inner tube, after the embryo is sucked into the inner tube, the injector is stopped from being pulled, the sealing piece is reset under the action of the self elastic force, and then one end of the inner tube far away from the injector is sealed, so that the embryo in the inner tube is prevented from being sucked out of the inner tube. When the injector is pushed to discharge the embryo from the inner tube, the nutrient solution pushes away each fan-shaped piece of the blocking piece in a direction away from the injector, so that the embryo enters the uterus, and when the embryo is discharged, the injector is stopped being pushed, and the blocking piece resets and blocks the inner tube so as to prevent the embryo in the uterus from being sucked into the inner tube, thereby improving the success rate of embryo transfer.
Further, set up response piece and elastic ring in the inner tube, set up the shutoff piece in the elastic ring, the elastic ring can enlarge the opening angle of each fan-shaped piece of shutoff piece, and then can not hinder the embryo to pass through.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art, it being understood that these drawings are not necessarily drawn to scale.
FIG. 1 is a schematic perspective view of an embodiment of an embryo transfer device for a test tube infant according to the present invention;
FIG. 2 is an exploded view of one embodiment of an embryo transfer device for a test tube infant according to the present invention;
FIG. 3 is a side view of one embodiment of an embryo transfer device for a test tube infant according to the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of part B of FIG. 4;
FIG. 6 is another state diagram of FIG. 4;
fig. 7 is an enlarged view of part C in fig. 6.
100 Parts of a syringe, 200 parts of an inner tube, 201 parts of a connector, 210 parts of a response block, 211 parts of an elastic ring, 212 parts of a plugging sheet, 213 parts of a sealing ring, 300 parts of an outer tube, 301 parts of a connecting convex head, 303 parts of a connecting sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of an embryo transfer device for a test tube infant of the present invention, as shown in fig. 1 to 7, includes a syringe 100, an inner tube 200, and an outer tube 300, one end of the inner tube 200 is connected to a connector 201, the inner tube 200 is connected to one end of the syringe 100 through the connector 201, and the syringe 100 is used to suck embryos into the inner tube 200. The inner tube 200 is inserted into the outer tube 300, one end of the outer tube 300, which is close to the syringe 100, is provided with a connecting sleeve 303, the connecting sleeve 303 is used for being connected with an endoscope component, and the middle part of the outer tube 300 is provided with a connecting convex head 301. In use, the inner tube 200 is separated from the outer tube 300, the outer tube 300 is inserted into the vagina through the endoscope, the connecting convex head 301 at the middle part of the outer tube 300 passes through the cervical orifice, then the embryo is sucked into the inner tube 200 by the syringe 100, then the inner tube 200 is inserted into the outer tube 300, the inner tube 200 passes through the outer tube 300 and enters the uterus to a proper depth, and then the syringe 100 is pushed, so that the embryo in the inner tube 200 is pushed into the uterus.
In the present invention, an openable sealing piece 212 is disposed at one end of the inner tube 200 facing away from the syringe 100, the sealing piece 212 has a circular structure formed by a plurality of segments, and the sealing piece 212 is made of silica gel. The blocking tab 212 is in a closed state during insertion of the inner tube 200 into the uterus to prevent ejection of embryos from the inner tube 200, as shown in fig. 5, and the blocking tab 212 is in a closed state after embryos in the inner tube 200 are ejected out of the inner tube 200 to prevent embryos from being sucked back into the inner tube 200. Each of the segments is capable of swinging relative to each other such that each segment of the flaps 212 swings toward the syringe 100 when the syringe 100 draws an embryo into the inner tube 200, causing the flaps 212 to open, and swings away from the syringe 100 when the syringe 100 ejects an embryo from the inner tube 200, causing the flaps 212 to open. When the embryo is sucked into the inner tube 200 by the syringe 100, the embryo is in the nutrient solution, and under the negative pressure of the syringe 100, the nutrient solution can punch the fan-shaped pieces of the sealing piece 212 towards the syringe 100 to enable the embryo to enter the inner tube 200, as shown in fig. 7, after the embryo is sucked into the inner tube 200, the pulling of the syringe 100 is stopped, the sealing piece 212 is reset under the action of the self elastic force, and then one end of the inner tube 200 away from the syringe 100 is sealed, so that the embryo in the inner tube 200 is prevented from being sucked out of the inner tube 200. When the syringe 100 is pushed to expel the embryo from the inner tube 200, the nutrient solution pushes away the individual segments of the blocking tab 212 in a direction away from the syringe 100, so that the embryo enters the uterus, and when the embryo is expelled, the pushing of the syringe 100 is stopped, the blocking tab 212 resets and blocks the inner tube 200, preventing the embryo in the uterus from being sucked into the inner tube 200.
In this embodiment, a response block 210 is disposed at an end of the inner tube 200 facing away from the syringe 100, and the response block 210 is used for prompting the position of the inner tube 200 extending into the uterus, so that a doctor can conveniently determine the position of the inner tube 200 extending into the uterus. The response block 210 is hollow and tubular, and the blocking piece 212 is disposed inside the response block 210. In this embodiment, an elastic ring 211 is coaxially disposed on an inner wall of one end of the response block 210, a section of the elastic ring 211 is corrugated, the blocking piece 212 is disposed inside the elastic ring 211, and the blocking piece 212 is disposed on the response block 210 through the elastic piece. The elastic ring 211 comprises a first corrugated section and a second corrugated section which are symmetrically arranged about the blocking piece 212, wherein the first corrugated section is positioned on one side of the second corrugated section close to the syringe 100, and the cross sections of the first corrugated section and the second corrugated section are arc-shaped with the convex surfaces facing the inside of the inner tube 200. The first and second bellows sections are provided with a plurality of deformation holes spaced apart in the circumferential direction, respectively, so that the first and second bellows sections can be elastically deformed when the blocking piece 212 swings open.
According to the invention, the fan-shaped pieces of the plugging piece 212 are respectively fixed on the inner wall of the elastic ring 211, and the plugging piece 212 is positioned at the connecting position of the first corrugated section and the second corrugated section, so that when the fan-shaped pieces of the plugging piece 212 swing respectively, the first corrugated section and the second corrugated section deform respectively, and compared with the mode of directly connecting the plugging piece 212 on the inner wall of the inner tube 200, the swing angle of each fan-shaped piece can be enlarged, the opening degree of the plugging piece 212 is larger, and the obstruction to embryos can be reduced. In this embodiment, the elastic ring 211 and the response block 210 are made of the same material and are made of metal. By setting the elastic ring 211 to a metal material, the blocking piece 212 can be quickly reset. A sealing ring 213 is disposed between the outer side of the elastic ring 211 and the inner wall of the inner tube 200, so as to prevent the nutrient solution from passing through the deformation holes of the first corrugated section and the second corrugated section from the periphery of the elastic ring 211.
In this embodiment, the response block 210 includes a first pipe section and a second pipe section that are integrally disposed, the outer diameters of the first pipe section and the second pipe section are the same, the inner diameter of the first pipe section is smaller than the inner diameter of the second pipe section, the elastic ring 211 is disposed on the inner wall of the second pipe section, and the inner diameter of the elastic ring 211 is smaller than the inner diameter of the first pipe section. The response block 210 is integrally injection molded in the inner tube 200, and the inner diameter of the inner tube 200 is the same as the inner diameter of the first tube section of the response block 210. The end of the inner tube 200 remote from the syringe 100 protrudes outside the outer tube 300, and the blocking piece 212 is located at a portion of the inner tube 200 protruding outside the outer tube 300.
The embryo transplanting device for test tube infant is used in the process of observing cervical orifice with endoscope, cleaning and sterilizing mucous with sterilizing cotton swab, inserting the outer tube 300 into vagina with endoscope to make the connecting raised head 301 in the middle of the outer tube 300 pass through cervical orifice to stop the inside of uterus. The embryo is then sucked into the inner tube 200 by means of the syringe 100, and the embryo is sucked into the inner tube 200 together with the nutrient solution when the embryo is sucked in, because the embryo is located in the nutrient solution. When the embryo and the nutrient solution are sucked, the fan-shaped pieces of the blocking piece 212 are impacted by the nutrient solution to swing towards the direction of the syringe 100, and the first corrugated section of the elastic ring 211 is recessed, so that the fan-shaped pieces of the blocking piece 212 are completely opened, as shown in fig. 7, so that the embryo smoothly enters the inner tube 200. After embryo inhalation is completed, the elastic ring 211 and the blocking piece 212 are reset, the blocking piece 212 blocks the inner tube 200, as shown in fig. 5, so that the embryo is prevented from being sucked out of the inner tube 200 in advance by the pressure difference between the inner and outer sides of the uterine cavity in the process of inserting the inner tube 200 into the uterine cavity.
After the inner tube 200 is inserted into the uterus through the outer tube 300 to a proper depth, the syringe 100 is pushed, and the embryo in the inner tube 200 is injected into the interior of the uterus. When in injection, the sealing piece 212 is subjected to the pushing force swing of the culture solution, the second corrugated section of the elastic ring 211 is sunken, so that all the fan-shaped pieces of the sealing piece 212 swing and open along the flowing direction of the nutrient solution, after the injection is completed, the elastic ring 211 and the sealing piece 212 are reset, the inner tube 200 is sealed by the sealing piece 212, the nutrient solution and the embryo are prevented from being sucked back into the inner tube 200, and the success rate of transplanting is improved. Finally, the inner tube 200 and the outer tube 300 are moved out of the uterus together, thereby completing embryo transfer.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510322503.9A CN119837614B (en) | 2025-03-19 | 2025-03-19 | Embryo transplanter for test tube baby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510322503.9A CN119837614B (en) | 2025-03-19 | 2025-03-19 | Embryo transplanter for test tube baby |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119837614A CN119837614A (en) | 2025-04-18 |
| CN119837614B true CN119837614B (en) | 2025-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510322503.9A Active CN119837614B (en) | 2025-03-19 | 2025-03-19 | Embryo transplanter for test tube baby |
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| Country | Link |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209301262U (en) * | 2017-11-13 | 2019-08-27 | 金华市人民医院 | Embryo transplantation tube |
| CN114681700A (en) * | 2022-04-28 | 2022-07-01 | 周红卫 | Structure for preventing blood coagulation of hemodialysis catheter and application method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3361778B2 (en) * | 1999-07-09 | 2003-01-07 | 社団法人家畜改良事業団 | Injector for sperm for artificial insemination or fertilized egg transplantation of livestock and method of operating the same |
| JP2001120581A (en) * | 1999-10-22 | 2001-05-08 | Hokkaido Fujihira Kogyo Kk | Instrument and method for transplant of animal embryo |
| US20080200752A1 (en) * | 2007-02-15 | 2008-08-21 | Pieraldo Inaudi | Method for intrauterine embryo transfer and relevant device |
| CN112617987B (en) * | 2020-12-30 | 2022-07-05 | 深圳英莱生命科学有限公司 | Embryo transplantation tube |
| CN116687533A (en) * | 2023-07-18 | 2023-09-05 | 太平洋康泰科学仪器（济南）有限公司 | Piston type embryo transfer tube |
| CN221383729U (en) * | 2023-09-08 | 2024-07-23 | 浙江大学医学院附属第一医院 | Improved embryo transplantation tube |
| CN221903949U (en) * | 2024-02-20 | 2024-10-29 | 湖北省妇幼保健院（湖北省妇女儿童医院） | A visual embryo transfer device |
-
2025
- 2025-03-19 CN CN202510322503.9A patent/CN119837614B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209301262U (en) * | 2017-11-13 | 2019-08-27 | 金华市人民医院 | Embryo transplantation tube |
| CN114681700A (en) * | 2022-04-28 | 2022-07-01 | 周红卫 | Structure for preventing blood coagulation of hemodialysis catheter and application method thereof |
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| Publication number | Publication date |
|---|---|
| CN119837614A (en) | 2025-04-18 |
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