CN114246659A - Double-cavity embryo transplantation tube - Google Patents
Double-cavity embryo transplantation tube Download PDFInfo
- Publication number
- CN114246659A CN114246659A CN202111531899.6A CN202111531899A CN114246659A CN 114246659 A CN114246659 A CN 114246659A CN 202111531899 A CN202111531899 A CN 202111531899A CN 114246659 A CN114246659 A CN 114246659A
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- Prior art keywords
- tube
- catheter
- supporting
- introducer
- pipe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
- A61B2034/2063—Acoustic tracking systems, e.g. using ultrasound
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Transplantation (AREA)
- Gynecology & Obstetrics (AREA)
- Pregnancy & Childbirth (AREA)
- Reproductive Health (AREA)
- Robotics (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a double-cavity embryo transfer tube which comprises a catheter component, an introducer tube component and a core sleeving component. The catheter component comprises a catheter seat, a catheter and a supporting tube, wherein the catheter is internally of a double-channel structure, the supporting tube is arranged in a channel with smaller capacity, the channel with larger capacity is an embryo channel, and a stainless steel wire is embedded in the supporting tube. The controllability of the catheter is improved by the supporting tube, ultrasonic visualization is realized by the stainless steel wire and the ultrasonic developing ring at the front end of the catheter, and the transplanting condition is optimized. The leading-in pipe subassembly includes leading-in tube seat and leading-in pipe, is equipped with solid fixed ring and distance indication sign on the leading-in pipe, and its tip still is equipped with the baotou. The front end of the guiding-in pipe is pre-bent to a proper angle to make the guiding-in pipe accord with the physiological structure of the human body, so that the guiding-in pipe is convenient to be sent into the uterus. The core sleeving component comprises a core sleeving seat, a core sleeving pipe and a supporting wire, and the supporting wire is embedded in the core sleeving pipe. The core sleeving component can improve the controllability of the structure when the guide tube is not easy to pass through the cervix, and is suitable for operation under various cervix conditions.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a double-cavity embryo transplantation tube.
Background
In vitro fertilization combined embryo transfer technology (also called tube baby) is a main means for treating infertility at present, wherein an embryo is obtained by performing in vitro fertilization culture on sperms and ova, and then the embryo is delivered into a mother uterus through a transfer tube, wherein the reasonable design of the embryo transfer tube has an important influence on whether the embryo can be delivered to a proper position of a uterine cavity, and the embryo transfer tube in the prior art is difficult to deliver into an introduction tube under the condition of poor cervical conditions, for example, CN205234600U discloses an embryo transfer tube which is designed in a straight line and is difficult to deliver into the uterus. Moreover, the head of the guiding tube is not specially treated, so that the endometrium can be injured during the guiding process. In addition, the embryo transfer tube has no development design, the transfer process cannot be visualized through ultrasound, and the transfer point cannot be observed accurately. The invention aims to solve the problems in the prior art, adopts special design on the shape and the head of the guide tube, and simultaneously increases the developing function of the guide tube, thereby not only being capable of being smoothly sent into the guide tube under poor cervical conditions, but also being capable of minimizing the damage to endometrium, realizing visual transplantation, accurately positioning the transplantation position and ensuring the embryo transplantation effect.
Disclosure of Invention
The invention aims to provide a double-cavity embryo transfer tube, which comprises a catheter component, an introducer tube component and a core sleeving component; the catheter assembly comprises a catheter seat, a catheter and a supporting tube, wherein the catheter seat is connected with the catheter, the interior of the catheter is of a double-channel structure, the two channels have different capacities and are arranged to penetrate through the catheter, the supporting tube is arranged in the channel with the smaller capacity, the channel with the larger capacity is a embryo channel, the length of the supporting tube is the same as that of the catheter, a stainless steel wire is embedded in the supporting tube, an ultrasonic developing ring is arranged at the front end of the supporting tube, and a distance indicating mark is arranged on the catheter; the device comprises an introducer tube assembly, a distance indicating mark, a fixing ring, a tube body and a guide tube, wherein the introducer tube assembly comprises an introducer tube seat and an introducer tube, the introducer tube seat is connected with the introducer tube, the introducer tube is provided with the fixing ring, the fixing ring can move on the introducer tube and is used for fixing the introducer tube at a cervical orifice, the tube body of the introducer tube is provided with the distance indicating mark, the end part of the introducer tube is provided with a wrapping head, and the front end of the introducer tube is pre-bent to a proper angle so as to be in line with the physiological structure of a human body and be convenient for sending the introducer tube into the uterus; the core sleeving assembly comprises a core sleeving seat, a core sleeving pipe and a supporting wire, the core sleeving seat is connected with the core sleeving pipe, and the supporting wire is embedded in the core sleeving pipe.
According to the double-cavity embryo transplantation tube, the supporting tube is used for supporting the catheter, and the stainless steel wire in the supporting tube can be arranged in a penetrating way or in a sectional way.
According to the double-cavity embryo transfer tube provided by the invention, when the stainless steel wires are arranged in sections, the stainless steel wires are respectively arranged at the front end and the rear end of the supporting tube, or only arranged at the front end of the supporting tube, or only arranged at the rear end of the supporting tube.
According to the double-cavity embryo transfer tube, the pre-bending angle of the introducing tube is 10-50 degrees.
According to the double-cavity embryo transplantation tube, the shape of the head of the bag is similar to that of a mushroom head, so that on one hand, the effect of enlarging the cervix is achieved, the introduction tube is favorably conveyed into the uterus, and on the other hand, the round design of the necking can reduce the wound on the endometrium.
According to the double-cavity embryo transfer tube, the length of the supporting wire is smaller than that of the sleeve core tube, so that the front end of the sleeve core tube does not contain the supporting wire, the sleeve core tube is made of a flexible material, and the supporting wire is preferably made of a stainless steel material.
According to the double-cavity embryo transfer tube, the length of the guide tube is larger than that of the guide tube, and when the double-cavity embryo transfer tube is used, the guide tube is inserted into the guide tube and releases an embryo to be transferred into the uterus.
The invention has the beneficial effects that:
the invention has the advantages that the arrangement of the stainless steel wire can realize the whole-tube development or the sectional development of the catheter, and can monitor all the positions in the uterine cavity in real time; the design of the head of the leading-in tube end can enlarge the cervix and reduce the damage to the endometrium; the front end of the leading-in pipe is pre-bent and formed so as to be convenient for the leading-in pipe to enter the uterus; the arrangement of the supporting tube improves the controllability of the catheter, the developing ring at the front end of the supporting tube realizes ultrasonic visualization, and the transplanting condition is optimized; the use of the fixing ring is convenient for guiding the depth position when the embryo is placed; the core sleeving component can improve the controllability of the structure when the guide tube is not easy to pass through the cervix, and is suitable for operation under various cervix conditions.
Drawings
FIG. 1 is a schematic view of a catheter assembly of an embodiment of the present invention;
FIG. 2 is a schematic view of an introducer assembly in accordance with an embodiment of the invention;
fig. 3 is a partially enlarged schematic view of a ferrule at the front end of an introducer tube according to an embodiment of the present invention;
FIG. 4 is a schematic view of a core assembly of an embodiment of the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that the examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that various changes or modifications can be made by those skilled in the art after reading the disclosure of the present invention, and such equivalents also fall within the scope of the invention.
The embryo transfer tube of this embodiment includes a catheter assembly, an introducer tube assembly, and a hub assembly. As shown in figure 1, the catheter assembly comprises a catheter holder 1, a catheter 3 and a supporting tube 2, wherein the catheter holder 1 is connected with the catheter 3, the interior of the catheter 3 is of a double-channel structure, two channels have different capacities and are arranged to penetrate through the catheter, the supporting tube 2 is arranged in the channel with the smaller capacity, the channel with the larger capacity is an embryo channel used for conveying embryos into uterus, and the length of the supporting tube 2 is the same as that of the catheter 3. The stainless steel wires are embedded in the supporting tube 2 and can be arranged in a penetrating way or in a sectional way. When the stainless steel wires are arranged in segments, the stainless steel wires can be selectively arranged at the front end and the rear end of the support tube 2, or only at the front end of the support tube 2, or only at the rear end of the support tube 2. The front end of the supporting tube 2 is provided with an ultrasonic developing ring 4, so that the transplanting condition can be visually optimized under ultrasonic conditions, and the position of the transplanting tube entering the uterine cavity can be judged. The catheter 3 is provided with a distance indicator 5.
As shown in fig. 2, the introducer tube assembly comprises an introducer tube holder 6 and an introducer tube 7, the introducer tube holder 6 is connected with the introducer tube 7, a fixing ring 8 is arranged on the introducer tube 7, and the fixing ring 8 can move on the introducer tube 7 and is used for fixing the introducer tube 7 at the cervical orifice. The body of the inlet pipe 7 is provided with a distance indication mark 9. The tip of the introducing tube 7 is provided with a cap 10, the cap 10 is mushroom-shaped (as shown in fig. 3), on one hand, the function of enlarging cervix is achieved, the introducing tube is favorably conveyed into uterus, and on the other hand, the round design of the necking can reduce the wound to endometrium. The front end of the introducing tube 7 is pre-bent to a proper angle to conform to the physiological structure of the human body, and the introducing tube is conveniently delivered into the uterus, and the angle is in the range of 10-50 degrees.
As shown in fig. 4, the sleeve core assembly includes a sleeve core seat 11, a sleeve core tube 13 and a support wire 12, the sleeve core seat 11 is connected with the sleeve core tube 13, and the support wire 12 is embedded in the sleeve core tube 13. The length of the support wire 12 is smaller than that of the muffle tube 13, so that the front end of the muffle tube 13 does not contain the support wire 12, the muffle tube 13 is made of flexible material (such as polyurethane, polyethylene or polypropylene, etc.), and the support wire 12 is preferably made of stainless steel material.
When the cervical dilator is used, the front end of the introducing pipe 7 is bent to a proper angle in advance, if the cervical conditions are not good and the introducing pipe 7 is difficult to enter the cervix, the sleeve core pipe 13 is firstly inserted into the introducing pipe 7, and the insertion of the sleeve core pipe 13 cannot change the pre-bending angle of the front end of the introducing pipe 7 because the front end of the sleeve core pipe 13 is not provided with the supporting wire 12. Washing cervix uteri with culture solution, and placing into the introducing tube 7; connecting the catheter 3 with a sterile injector, and sucking embryos in the catheter 3; then, the muffle tube 13 in the introduction tube 7 is removed, and the catheter 3 is inserted into the introduction tube 7 up to the transplantation site. Distance indication marks (5, 9) on the guide-in pipe 7 and the guide pipe 3 can help to judge the length of the transplanting pipe entering the uterine cavity, and B-ultrasonic imaging on the guide pipe 3 can help to judge the position of the transplanting pipe entering the uterine cavity. Finally, the catheter 3 is removed and it is confirmed that no embryo remains in the catheter 3, and then the introduction tube 7 is removed and the transplantation operation is completed.
Claims (7)
1. A double-cavity embryo transfer tube is characterized by comprising a catheter component, an introducer tube component and a core sleeving component; the catheter assembly comprises a catheter seat, a catheter and a supporting tube, wherein the catheter seat is connected with the catheter, the interior of the catheter is of a double-channel structure, the two channels have different capacities and are arranged to penetrate through the catheter, the supporting tube is arranged in the channel with the smaller capacity, the channel with the larger capacity is a embryo channel, the length of the supporting tube is the same as that of the catheter, a stainless steel wire is embedded in the supporting tube, an ultrasonic developing ring is arranged at the front end of the supporting tube, and a distance indicating mark is arranged on the catheter; the device comprises an introducer tube assembly, a distance indicating mark, a fixing ring, a tube body and a guide tube, wherein the introducer tube assembly comprises an introducer tube seat and an introducer tube, the introducer tube seat is connected with the introducer tube, the introducer tube is provided with the fixing ring, the fixing ring can move on the introducer tube and is used for fixing the introducer tube at a cervical orifice, the tube body of the introducer tube is provided with the distance indicating mark, the end part of the introducer tube is provided with a wrapping head, and the front end of the introducer tube is pre-bent to a proper angle so as to be in line with the physiological structure of a human body and be convenient for sending the introducer tube into the uterus; the core sleeving assembly comprises a core sleeving seat, a core sleeving pipe and a supporting wire, the core sleeving seat is connected with the core sleeving pipe, and the supporting wire is embedded in the core sleeving pipe.
2. The double-lumen embryo transfer tube according to claim 1, wherein the supporting tube is used for supporting the catheter, and the stainless steel wire inside the supporting tube can be arranged in a through way or a sectional way.
3. The double lumen embryo transfer tube according to claim 2, wherein the stainless steel wire is provided at the front end and the rear end of the support tube, respectively, or at only the front end of the support tube, or at only the rear end of the support tube, when the stainless steel wire is provided in segments.
4. The double lumen embryo transfer tube according to any of claims 1 to 3 wherein the angle of pre-bending of the introducer tube is between 10 ° and 50 °.
5. The double-lumen embryo transfer tube according to any of claims 1-4, wherein the shape of the tip of the needle is similar to that of a mushroom head, which on the one hand, acts to enlarge the cervix and facilitate the introduction of the tube into the uterus, and on the other hand, the rounded design of the necking reduces the trauma to the endometrium.
6. The double lumen embryo transfer tube according to any of claims 1-5 wherein the length of the support wire is smaller than the length of the muffle tube so that the front end of the muffle tube does not contain the support wire, the muffle tube is made of flexible material, the support wire is preferably made of stainless steel material.
7. The double lumen embryo transfer tube according to any of claims 1 to 6 wherein the length of the catheter is greater than the length of the introducer tube, and in use, it is inserted into the introducer tube and the embryo to be transferred is released into the uterus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111531899.6A CN114246659A (en) | 2021-12-14 | 2021-12-14 | Double-cavity embryo transplantation tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111531899.6A CN114246659A (en) | 2021-12-14 | 2021-12-14 | Double-cavity embryo transplantation tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114246659A true CN114246659A (en) | 2022-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111531899.6A Pending CN114246659A (en) | 2021-12-14 | 2021-12-14 | Double-cavity embryo transplantation tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114246659A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153784A (en) * | 2022-07-19 | 2022-10-11 | 太平洋康泰科学仪器（济南）有限公司 | Embryo transfer tube, transfer assembly and use method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5195979A (en) * | 1991-06-25 | 1993-03-23 | Labotect-Labor-Technik Gottinger Gmbh | Set of instruments for the uterinal embryo transfer and intra-uterine insemination |
| CN202010193U (en) * | 2011-03-29 | 2011-10-19 | 魏毓君 | Double chamber conduit embryo transfer catheter |
| CN202020518U (en) * | 2011-03-29 | 2011-11-02 | 魏毓君 | Double-layer ingress pipe type embryo transfer pipe |
| CN202086550U (en) * | 2011-03-29 | 2011-12-28 | 魏毓君 | Artificial insemination tube with built-in steel wire |
| CN106362269A (en) * | 2016-10-12 | 2017-02-01 | 北京博海康源医疗器械有限公司 | Double-cavity guide tube with supported stable orientation |
| CN213372394U (en) * | 2020-08-31 | 2021-06-08 | 浙江大学医学院附属妇产科医院 | Disposable embryo transplantation tube convenient for difficult transplantation |
-
2021
- 2021-12-14 CN CN202111531899.6A patent/CN114246659A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5195979A (en) * | 1991-06-25 | 1993-03-23 | Labotect-Labor-Technik Gottinger Gmbh | Set of instruments for the uterinal embryo transfer and intra-uterine insemination |
| CN202010193U (en) * | 2011-03-29 | 2011-10-19 | 魏毓君 | Double chamber conduit embryo transfer catheter |
| CN202020518U (en) * | 2011-03-29 | 2011-11-02 | 魏毓君 | Double-layer ingress pipe type embryo transfer pipe |
| CN202086550U (en) * | 2011-03-29 | 2011-12-28 | 魏毓君 | Artificial insemination tube with built-in steel wire |
| CN106362269A (en) * | 2016-10-12 | 2017-02-01 | 北京博海康源医疗器械有限公司 | Double-cavity guide tube with supported stable orientation |
| CN213372394U (en) * | 2020-08-31 | 2021-06-08 | 浙江大学医学院附属妇产科医院 | Disposable embryo transplantation tube convenient for difficult transplantation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153784A (en) * | 2022-07-19 | 2022-10-11 | 太平洋康泰科学仪器（济南）有限公司 | Embryo transfer tube, transfer assembly and use method |
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