CN215739355U - Human embryo transplantation tube - Google Patents
Human embryo transplantation tube Download PDFInfo
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- CN215739355U CN215739355U CN202122084495.9U CN202122084495U CN215739355U CN 215739355 U CN215739355 U CN 215739355U CN 202122084495 U CN202122084495 U CN 202122084495U CN 215739355 U CN215739355 U CN 215739355U
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Abstract
The utility model relates to the technical field of embryo transfer tubes, in particular to a human embryo transfer tube, which comprises an outer tube, an inner tube and an injector, wherein one end of the outer tube is connected with a first holding part communicated with the interior of the outer tube, and the other end of the outer tube is an extending port end; one end of the inner tube is connected with a sample sucking joint communicated with the interior of the inner tube, the other end of the inner tube is a sample sucking port end, the inner tube penetrates through the outer tube through the top surface of the first holding part, the sample sucking port end of the inner tube can extend out of the extending outlet end of the outer tube, the sample sucking joint comprises an operation part, a second holding part and an injector interface part which are sequentially connected from bottom to top, and the injector is connected with the injector interface part; the sample sucking port end is provided with an end cover, and the operating part is provided with a control mechanism for controlling the end cover to open and close the sample sucking port end. The embryo transfer tube prevents the embryo from losing in the transfer process by arranging the end cover at the opening of the inner tube of the embryo transfer tube.
Description
Technical Field
The utility model relates to the technical field of embryo transplantation tubes, in particular to a human embryo transplantation tube.
Background
The embryo transfer tube is an important tool for the test-tube infant embryo transfer process, the embryo transfer catheter consists of an embryo transfer inner tube and an embryo transfer outer tube, when in use, the embryo transfer catheter outer tube extends into an uterine orifice through a woman vagina, a sample suction connector of the embryo transfer catheter inner tube is connected to an injector through an injector interface, and liquid or embryos are sucked in a mode of pulling a push rod of the injector. Currently, the embryo is loaded in the inner tube by a two-section air column method, wherein about 3cm of a transfer liquid column is transferred, about 0.5cm of air is sucked, 0.3cm of liquid is sucked, the embryo is slowly sucked, the total of the liquid and the embryo is 1.0-1.5 cm, and about 0.3cm of air is sucked, and then 0.3cm of transfer liquid is sucked. After the inner tube is loaded with the embryo, the inner tube of the embryo transfer catheter filled with the embryo is inserted into the outer tube of the embryo transfer catheter, one end of the inner tube of the embryo transfer catheter enters the uterine cavity of the uterus of a woman, the opening of the inner tube exceeds the opening of the outer tube by 10mm, under the monitoring of B ultrasonic, a push rod of an injector is pushed to push the embryo and liquid into the uterus, so that the embryo and the liquid are attached to the wall of the uterus, after the injection is finished, the outer tube of the embryo transfer catheter and the inner tube of the embryo transfer catheter are taken out, and whether the embryo remains in the inner tube of the embryo transfer catheter is checked, so that the operation is finished.
However, this process has the disadvantages that: because of the pressure in the uterus, when one end of the inner tube of the embryo transfer tube enters the uterus of a woman, the transfer liquid in the inner tube of the embryo transfer tube can be displaced, and if the loaded embryo is too close to the tube opening, the embryo is easy to lose before being injected into the uterus.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides a human embryo transfer tube, wherein an end cover is arranged at the nozzle of an inner tube of the embryo transfer tube, so that an embryo is prevented from being lost.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a human embryo transfer tube comprises an outer tube, an inner tube and an injector, wherein one end of the outer tube is connected with a first holding part communicated with the inside of the outer tube, and the other end of the outer tube is an extending port end; one end of the inner tube is connected with a sample sucking joint communicated with the interior of the inner tube, the other end of the inner tube is a sample sucking port end, the inner tube is arranged in the outer tube in a penetrating mode through the top surface of the first holding portion, the sample sucking port end of the inner tube can extend out of the extending outlet end of the outer tube, the sample sucking joint comprises an operation portion, a second holding portion and an injector interface portion which are sequentially connected from bottom to top, and the injector is connected with the injector interface portion; an end cover is arranged at the sample sucking port end, and a control mechanism for controlling the end cover to open and close the sample sucking port end is arranged on the operation part.
Furthermore, the control mechanism comprises a connecting rod and a control part for controlling the end cover to move back and forth so as to open and close the sample sucking port end, one end of the connecting rod is connected with the control part, and the other end of the connecting rod is connected with the end cover.
Further, the control part is including pushing button and spout, the operating portion is cylindric body, the surface of operating portion along the axial seted up with push button cooperation gliding the spout, the connecting rod is kept away from end cover one end stretch into in the spout and with push button connects.
Further, the upper end of the push button is also connected with an inserting piece, and the upper end of the pipe body is provided with a clamping groove for inserting the inserting piece.
Furthermore, the surface of the push button is provided with transverse anti-slip stripes.
Furthermore, the control part comprises a moving block, the operating part is a cylindrical pipe body with external threads on the outer surface, the moving block is screwed outside the operating part, a limiting ring is fixedly arranged at the bottom of the operating part, and one end, far away from the end cover, of the connecting rod is connected with the moving block.
Furthermore, the outer surface of the moving block is provided with vertical anti-skid stripes.
Furthermore, one end of the first holding part, which is far away from the outer tube, is of an outwards-opened horn-shaped structure.
Furthermore, the outer surfaces of the first holding part and the second holding part are both inwards concave arc-shaped structures.
Furthermore, a first marking line and a second marking line are arranged on the outer tube from the outside to the inside and close to the end of the extending port, the distance between the first marking line and the extending port is 4-5cm, and the distance between the first marking line and the second marking line is 1 cm.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the utility model arranges an end cover at the sample sucking port end of the inner tube, arranges an operation part at one end of the sample sucking joint of the inner tube, arranges a control mechanism for controlling the opening and closing of the end cover on the operation part, when in use, connects the injector to the injector interface part at one end of the sample sucking joint of the inner tube, leads the sample sucking port end of the inner tube to aim at the transfer liquid in the culture dish to suck a section of liquid and a section of air, then sucks the embryo in the culture dish after the liquid is sucked, sucks a section of air and a section of transfer liquid, controls the sample sucking port end of the inner tube by the control mechanism at the operation end, leads the inner tube to extend into the inner cavity of the outer tube and extend into the uterus, then controls the end cover to open from the control mechanism at the operation end, pushes the push rod of the injector to push the embryo and the liquid into the uterus to be attached to the uterine wall, because the inner tube extends into the uterine process of the uterus of the woman, the sample sucking port end of the inner tube is closed, so that the transplantation liquid in the inner tube cannot be influenced by the pressure of the uterus to be displaced, and the problem that the embryo is lost before being injected into the uterus when being too close to the tube opening is solved.
Drawings
FIG. 1 is a schematic structural view of a human embryo transfer tube according to example 1 of the present invention;
FIG. 2 is a partial schematic structural view of an operation part in embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a human embryo transfer tube in accordance with example 2 of the present invention;
the reference numbers in the figures are: 1-outer tube, 11-first holding part, 12-first marking line, 13-second marking line, 2-inner tube, 21-suction connector, 211-injector interface part, 212-second holding part, 213-operation part, 3-injector, 4-end cover, 5-connecting rod, 6-push button, 61-transverse anti-slip stripe, 62-insertion piece, 7-sliding groove, 71-clamping groove, 8-moving block, 81-vertical anti-slip stripe and 9-limiting ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Example 1
As shown in fig. 1, a human embryo transfer tube comprises an outer tube 1, an inner tube 2 and an injector 3, wherein one end of the outer tube 1 is connected with a first holding part 11 communicated with the inside of the outer tube 1, and the other end of the outer tube 1 is an extending-out end; one end of the inner tube 2 is connected with a sample sucking joint 21 communicated with the inside of the inner tube 2, the other end of the inner tube 2 is a sample sucking port end, the inner tube 2 is arranged in the outer tube 1 through the top surface of the first holding part 11, the sample sucking port end can extend out of the extending port end of the outer tube 1, the sample sucking joint 21 comprises an operation part 213, a second holding part 212 and a syringe 3 interface part 211 which are sequentially connected from bottom to top, and the syringe 3 is connected with the syringe 3 interface part 211; the end cover 4 is arranged at the sample sucking port, and the control mechanism for controlling the end cover 4 to open and close the sample sucking port is arranged on the operation part 213. This embryo transfer pipe is through setting up end cover 4 for the inner tube is through the mouth of pipe of the appearance mouth end of inhaling of end cover 4 closed inner tube 2 after 3 attraction liquid and embryo's of syringe, makes inner tube 2 when inserting the outer tube and stretching into women's uterus palace chamber, avoids it to receive the influence of uterus pressure to lead to liquid displacement, and the problem that the embryo is too close to take place to lose from the mouth of pipe appears. And the control mechanism is arranged on the operating part 213 of the sample suction joint end 21 of the inner tube to control the opening and closing of the end cap 4, so that the inner tube 2 can be conveniently extended into the uterus of a woman through the outer tube 1 to open the end cap 4, and the embryo and the liquid can be pushed into the uterus through the syringe 3.
In the present invention, as shown in fig. 1 and 2, the control mechanism includes a connecting rod 5 and a control part for controlling the end cap 4 to move back and forth to open and close the sample suction port, one end of the connecting rod 5 is connected to the control part, and the other end of the connecting rod 5 is connected to the end cap 4. Specifically, the control part includes push button 6 and spout 7, operation portion 213 is cylindric body, the surface of operation portion 213 along the axial seted up with push button 6 cooperation is gliding spout 7, connecting rod 5 is kept away from end cover 4 one end stretch into in the spout 7 and with push button 6 is connected.
As shown in fig. 2, in order to further prevent the button from being displaced, the upper end of the push button 6 is further connected with an insert sheet 62, and the upper end of the tube body is provided with a clamping groove 71 for inserting the insert sheet 62. When pushed up, the insert 62 of the push button 6 is inserted into the slot 71 to be clamped, so that the insert is not easy to move. The surface of the push button 6 is provided with a transverse anti-slip stripe 61, so that an anti-slip effect is achieved, and the push button is convenient to push.
The one end of keeping away from of first portion of holding 11 outer tube 1 is outside flared horn structure, is convenient for outer tube 1 to stretch into in the inner tube 2. The outer surfaces of the first holding part 11 and the second holding part 212 are both inward concave arc structures, and the arc structures are matched with the outer contours of the fingers to be held, so that the fingers are convenient to hold.
The outer tube 1 is provided with a first marking line 12 and a second marking line 13 from outside to inside in sequence near the outlet end, the distance from the first marking line 12 to the outlet end is 4-5cm, and the distance between the first marking line 12 and the second marking line 13 is 1 cm. The first and second marking lines serve to facilitate the user in determining the approximate depth of insertion of the outer tube 1 into the interior of the uterus.
When the device is used, the outer tube 1 extends into the uterine cavity via the female vagina, the extending depth of the outer tube 1 is determined according to the first marking line 12 or the second marking line 13, the injector 3 is connected to the injector interface part 211 of the inner tube 2, the push rod of the injector 3 is pulled, the sample suction port end of the inner tube 2 is aligned to the transfer solution in the culture dish, the push rod of the injector 3 is pulled to attract a section of liquid and then a section of air, then the sample suction port end is aligned to the selected embryo in the culture dish after the liquid is absorbed, the injector 3 is pulled to attract the embryo and then a section of air and a section of transfer solution are attracted, the push button 6 is pushed upwards to enable the end cover 4 to be close to the sample suction port end so as to seal the orifice of the inner tube 2, the inner tube 2 extends into the inner cavity of the outer tube 1 from the flared port end of the first holding part 11 of the outer tube 1 and extends into the female uterus, the push button 6 is pushed downwards to enable the end cover 4 to be far away from the sample suction port end, so as to open the sample suction port end of the inner tube 2, pushing the push rod of the injector 3 to push the embryo and the liquid into the uterus, so that the embryo and the liquid are attached to the wall of the uterus, taking out the inner tube 2 and the outer tube 1 after the operation is finished, checking whether the inner tube 2 has embryo residue, and finishing the use work of the embryo transfer tube. Because the inner tube 2 attracts the embryo, seals the sample sucking port end through the end cover 4, when the inner tube 2 extends into the uterus of the woman, the problem that the embryo is lost because the transfer liquid in the embryo inner tube 2 is displaced due to factor uterus pressure and is too close to the tube opening is avoided.
Example 2
The difference from example 1 is:
as shown in fig. 3, the control portion includes a moving block 8, the operating portion 213 is a cylindrical tube body having an external thread on an outer surface, the moving block 8 is screwed outside the operating portion 213, a limiting ring 9 is fixedly disposed at a bottom of the operating portion 213 to limit the moving block 8, and the connecting rod 5 is connected to the moving block 8 at an end away from the end cap 4. The outer surface of the moving block 8 is provided with vertical anti-slip stripes 81, so that an anti-slip effect is achieved, and the moving block 8 is convenient to rotate. When the end cover 4 is used for opening and closing the sample suction port end, the moving block 8 is rotated to move back and forth along the external thread of the operation part 213, and the connecting rod 5 drives the end cover 4 to move towards the sample suction port end far away from or close to the inner tube, so that the sample suction port end is opened or closed.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (10)
1. A human embryo transfer tube comprises an outer tube, an inner tube and an injector, wherein one end of the outer tube is connected with a first holding part communicated with the inside of the outer tube, and the other end of the outer tube is an extending port end; the one end of inner tube is connected with the appearance of inhaling of the inside intercommunication of inner tube and is connected, the other end of inner tube is for inhaling the appearance mouth end, the inner tube via the top surface of first portion of holding wears to locate in the outer tube, and its appearance mouth end of inhaling can stretch out the exit end that stretches out of outer tube, its characterized in that: the sample sucking joint comprises an operation part, a second holding part and an injector interface part which are sequentially connected from bottom to top, and the injector is connected with the injector interface part; an end cover is arranged at the sample sucking port end, and a control mechanism for controlling the end cover to open and close the sample sucking port end is arranged on the operation part.
2. The human embryo transfer tube of claim 1, wherein: the control mechanism comprises a connecting rod and a control part for controlling the end cover to move back and forth so as to open and close the sample suction port end, one end of the connecting rod is connected with the control part, and the other end of the connecting rod is connected with the end cover.
3. The human embryo transfer tube of claim 2, wherein: the control part comprises a push button and a sliding groove, the operating part is a cylindrical pipe body, the sliding groove matched with the push button to slide is axially formed in the surface of the operating part, and one end of the connecting rod is far away from the end cover and extends into the sliding groove and is connected with the push button.
4. A human embryo transfer tube according to claim 3, wherein: the upper end of the push button is also connected with an inserting piece, and the upper end of the tube body is provided with a clamping groove for inserting the inserting piece.
5. A human embryo transfer tube according to claim 3, wherein: the surface of the push button is provided with transverse anti-slip stripes.
6. A human embryo transfer tube according to claim 3, wherein: the control part comprises a moving block, the operating part is a cylindrical pipe body with external threads on the outer surface, the moving block is screwed outside the operating part, a limiting ring is fixedly arranged at the bottom of the operating part, and one end, far away from the end cover, of the connecting rod is connected with the moving block.
7. The human embryo transfer tube of claim 6, wherein: and vertical anti-skid stripes are arranged on the outer surface of the moving block.
8. The human embryo transfer tube of claim 1, wherein: one end of the first holding part, which is far away from the outer tube, is of an outwards-opened horn-shaped structure.
9. The human embryo transfer tube of claim 1, wherein: the outer surfaces of the first holding part and the second holding part are both inwards concave arc structures.
10. The human embryo transfer tube of claim 1, wherein: the outer tube is provided with a first marking line and a second marking line from outside to inside near the end of the extending opening, the distance between the first marking line and the extending end is 4-5cm, and the distance between the first marking line and the second marking line is 1 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122084495.9U CN215739355U (en) | 2021-08-31 | 2021-08-31 | Human embryo transplantation tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122084495.9U CN215739355U (en) | 2021-08-31 | 2021-08-31 | Human embryo transplantation tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215739355U true CN215739355U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122084495.9U Active CN215739355U (en) | 2021-08-31 | 2021-08-31 | Human embryo transplantation tube |
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| Country | Link |
|---|---|
| CN (1) | CN215739355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024105294A1 (en) * | 2022-11-14 | 2024-05-23 | Premium Fertility Sl | Device for introducing a fertilised egg or embryo |
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2021
- 2021-08-31 CN CN202122084495.9U patent/CN215739355U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024105294A1 (en) * | 2022-11-14 | 2024-05-23 | Premium Fertility Sl | Device for introducing a fertilised egg or embryo |
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