CN114246660A - Embryo transplantation tube - Google Patents
Embryo transplantation tube Download PDFInfo
- Publication number
- CN114246660A CN114246660A CN202111531904.3A CN202111531904A CN114246660A CN 114246660 A CN114246660 A CN 114246660A CN 202111531904 A CN202111531904 A CN 202111531904A CN 114246660 A CN114246660 A CN 114246660A
- Authority
- CN
- China
- Prior art keywords
- tube
- catheter
- introducer
- introducer tube
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000001161 mammalian embryo Anatomy 0.000 title claims abstract description 31
- 238000002054 transplantation Methods 0.000 title claims abstract description 12
- 210000004291 uterus Anatomy 0.000 claims abstract description 12
- 210000003679 cervix uteri Anatomy 0.000 claims abstract description 11
- 210000004696 endometrium Anatomy 0.000 claims abstract description 7
- 238000012546 transfer Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 2
- 238000012800 visualization Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004720 fertilization Effects 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000002257 embryonic structure Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 208000000509 infertility Diseases 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 231100000535 infertility Toxicity 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Robotics (AREA)
- Transplantation (AREA)
- Gynecology & Obstetrics (AREA)
- Pregnancy & Childbirth (AREA)
- Reproductive Health (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an embryo transplantation 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, the supporting tube is arranged outside or inside the catheter, controllability of the catheter is improved, an ultrasonic developing ring is arranged at the front end of the catheter, ultrasonic visualization is achieved, and transplanting conditions are optimized. The introducer tube assembly comprises an introducer tube seat and an introducer tube, wherein a fixing ring is arranged on the introducer tube, and the end part of the introducer tube is provided with a wrapping head which can not only enlarge the cervix, but also reduce the damage to the endometrium. The front end of the guiding-in pipe is pre-bent to a proper angle, so that the guiding-in pipe conforms to the physiological structure of a human body and is convenient to be conveyed 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 an 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 catheter, and simultaneously increases the developing function of the catheter, thereby not only being capable of being smoothly sent into an introducing pipe 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 an embryo transplantation 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, the catheter seat is connected with the catheter, the supporting tube is arranged outside or inside the catheter, the length of the supporting tube is smaller than that of the catheter, one end of the supporting tube is connected with the catheter seat, the front end of the catheter is provided with an ultrasonic developing ring, and the supporting tube or the catheter is provided with a distance indicating mark; 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.
The embryo transfer tube is used for supporting the catheter, and when the supporting tube is arranged outside the catheter, the inner surface of the supporting tube is attached to the outer surface of the catheter; when disposed within the interior of the conduit, the outer surface of which conforms to the inner surface of the conduit, the material of the support tube having greater rigidity and strength than the material of the conduit.
According to the embryo transfer tube, the angle of the pre-bending of the introducing tube is 10-50 degrees.
According to the embryo transplantation tube, the shape of the head of the bag is similar to that of a mushroom head, so that the effect of enlarging the cervix is achieved, the introduction tube is favorably conveyed into the uterus, and the damage to the endometrium can be reduced due to the round design of the necking.
According to the 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 embryo transfer tube, the length of the guide tube is larger than that of the guide tube, and when the embryo transfer tube is used, the guide tube is inserted into the guide tube and an embryo to be transferred is released into the uterus.
The invention has the beneficial effects that:
the invention has the advantages that 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 facilitates the determination of the depth position when the embryo is placed; the use of the sleeve core assembly 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 fig. 1, the catheter assembly comprises a catheter hub 1, a catheter 3 and a support tube 2, the catheter hub 1 being connected to the catheter 3, the support tube 2 being arranged outside the catheter 3 (and in other preferred embodiments inside the catheter). The length of the support tube 2 is smaller than that of the conduit 3, and the material of the support tube 2 has higher rigidity and strength than that of the conduit 3 and is used for supporting the conduit 3, so that controllability is improved. One end of the supporting tube 2 is connected with the catheter seat 1, the front end of the catheter 3 is provided with an ultrasonic developing ring 4, the transplanting condition is visually optimized under the ultrasonic condition, and the position of the transplanting tube entering the uterine cavity can be judged. A distance indicator 5 is provided on the support tube 3 (the distance indicator is provided outside the catheter when the support tube is provided inside the catheter).
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 the length 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), 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 tube 7 and the catheter 3 can help to judge the length of the transplanting tube entering the uterine cavity, and B-ultrasonic imaging at the front end of the catheter 3 can help to judge the position of the transplanting tube 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 (6)
1. An embryo transplantation 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, the catheter seat is connected with the catheter, the supporting tube is arranged outside or inside the catheter, the length of the supporting tube is smaller than that of the catheter, one end of the supporting tube is connected with the catheter seat, the front end of the catheter is provided with an ultrasonic developing ring, and the supporting tube or the catheter is provided with a distance indicating mark; 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 embryo transfer tube of claim 1, wherein the support tube is configured to support the catheter, and when disposed outside the catheter, an inner surface thereof conforms to an outer surface of the catheter; when disposed within the interior of the conduit, the outer surface of which conforms to the inner surface of the conduit, the material of the support tube having greater rigidity and strength than the material of the conduit.
3. The embryo transfer tube according to claim 1 or 2, wherein the angle of the pre-bending of the introduction tube is 10 ° -50 °.
4. The embryo transfer tube according to any of claims 1-3, wherein the shape of the cap 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 damage to the endometrium.
5. The embryo transfer tube according to any one of claims 1 to 4, 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 a flexible material, and the support wire is preferably made of a stainless steel material.
6. An embryo transfer tube according to any of claims 1 to 5, wherein the length of the conduit 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 |
|---|---|---|---|
| CN202111531904.3A CN114246660A (en) | 2021-12-14 | 2021-12-14 | Embryo transplantation tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111531904.3A CN114246660A (en) | 2021-12-14 | 2021-12-14 | Embryo transplantation tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114246660A true CN114246660A (en) | 2022-03-29 |
Family
ID=80792238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111531904.3A Pending CN114246660A (en) | 2021-12-14 | 2021-12-14 | Embryo transplantation tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114246660A (en) |
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 |
| CN201227315Y (en) * | 2008-07-30 | 2009-04-29 | 毕宜法 | Embryo transplantation hose |
| CN201578398U (en) * | 2009-11-27 | 2010-09-15 | 广东温氏食品集团有限公司 | Intrauterine insemination or nonsurgical embryo transfer instrument for pigs |
| CN202010192U (en) * | 2011-03-29 | 2011-10-19 | 魏毓君 | Single-layer ingress pipe type embryo transplantation pipe |
| CN206508074U (en) * | 2016-11-21 | 2017-09-22 | 青岛松良基因科技有限公司 | A kind of embryo transfer device component and embryo transfer device |
| CN206576940U (en) * | 2016-11-16 | 2017-10-24 | 深圳市柏明胜医疗器械有限公司 | A kind of new embryo transplantation tube |
-
2021
- 2021-12-14 CN CN202111531904.3A patent/CN114246660A/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 |
| CN201227315Y (en) * | 2008-07-30 | 2009-04-29 | 毕宜法 | Embryo transplantation hose |
| CN201578398U (en) * | 2009-11-27 | 2010-09-15 | 广东温氏食品集团有限公司 | Intrauterine insemination or nonsurgical embryo transfer instrument for pigs |
| CN202010192U (en) * | 2011-03-29 | 2011-10-19 | 魏毓君 | Single-layer ingress pipe type embryo transplantation pipe |
| CN206576940U (en) * | 2016-11-16 | 2017-10-24 | 深圳市柏明胜医疗器械有限公司 | A kind of new embryo transplantation tube |
| CN206508074U (en) * | 2016-11-21 | 2017-09-22 | 青岛松良基因科技有限公司 | A kind of embryo transfer device component and embryo transfer device |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220329 |
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| RJ01 | Rejection of invention patent application after publication |