CN209253067U - A kind of embryo transplantation tube preventing blocking - Google Patents
A kind of embryo transplantation tube preventing blocking Download PDFInfo
- Publication number
- CN209253067U CN209253067U CN201821967277.1U CN201821967277U CN209253067U CN 209253067 U CN209253067 U CN 209253067U CN 201821967277 U CN201821967277 U CN 201821967277U CN 209253067 U CN209253067 U CN 209253067U
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- China
- Prior art keywords
- outer tube
- tube
- flap valve
- front opening
- embryo
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Abstract
The utility model discloses a kind of embryo transplantation tubes for preventing blocking, including embryo transfer tube body, the embryo transfer tube body includes outer tube and inner tube, the at least a piece of flap valve in arc surfaced is set on the front opening of the outer tube, the front opening that the flap valve forms an external pipe of hemisphere mask is covered, meanwhile flap valve is hinged with outer tube at the front opening of outer tube, realizes that flap valve can be opened on the front opening of outer tube by inner tube.Originally prevent the embryo transplantation tube of blocking using setting flap valve piece at the front opening in outer tube by the way of, outer tube its front opening during entering uterine cavity is set to be in normally closed state, enter outer tube lumen so as to avoid neck palace mucus, clot and the internal film tissue that falls off, lumen is caused to block, when inner tube, which carries embryo, enters outer tube, inner tube can push out the flap valve on the front opening of outer tube, so that outer tube nozzle be made to open, and then complete entire embryo transfer operation.
Description
Technical field
The utility model relates to the field of medical instrument technology, specially a kind of embryo transplantation tube for preventing blocking.
Background technique
Vitro fertilization-embryo implanting is to treat infertile main means at present, most important one step first is that
The embryo that culture in vitro fertilization obtains is moved back to the process of patient's uterine cavity by embryo transfer.As shown in Figure 1, embryo transfer uses
Disposable tool embryo transplantation tube.Embryo transplantation tube is divided into outer tube and inner tube two parts, first by clinician by embryo
The outer tube of grafts is inserted into uterine cavity by cervix opening, until nozzle is close to palace bottom；At the same time, Embryo Culture room
Embryo is drawn at the nearly nozzle of embryo transplantation tube inner tube by technical staff；The inner tube for having inhaled embryo is inserted into outer tube lumen, along
Outer tube lumen enters uterine cavity, and to inner tube nozzle beyond at outer tube nozzle 10mm, under B ultrasound monitoring, embryo is injected into uterine cavity；Simultaneously
Interior place's pipe is withdrawn from, whether test under microscope has embryo to remain, whether there is or not blocking, tube walls for lumen whether there is or not staining, to assess embryo
Whether tire transplanting is smoothly successful.Data publish and this laboratory show that inner tube occurs blocking or stains and no blocking
There is notable difference without the pregnancy rate stained.During leading to interior blockage or being outer tube entrance the reason of staining, cervical mucus,
Bleeding caused by mechanical damage and internal film tissue etc. enter outer tube lumen when crossing uterine neck, inner tube by outer tube lumen when
Time just blocks or applies dye by these tampers, to influence transplantation effect.
Presently commercially available all grafts outer tube nozzles are entirely opening, and this structure is to lead to the basic original of blocking
Cause.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of embryo transfer for preventing blocking
Original open outer tube nozzle is changed to closed type outer tube nozzle by pipe, and when such outer tube is inserted into uterine cavity, there will be no stifled
Plug thing enters, and only when inner tube enters, outer tube nozzle is just open, avoids inner tube in this way and is blocked and stains, improves embryo
Tire transplants success rate and Clinical Pregnancy Rate in, allows patient to be benefited to the greatest extent, can effectively solve the problems in background technique.
To achieve the above object, the utility model provides the following technical solutions:
A kind of embryo transplantation tube preventing blocking, including embryo transfer tube body, the embryo transfer tube body include outer
At least a piece of flap valve in arc surfaced, one hemisphere of the flap valve composition are arranged on the front opening of the outer tube for pipe and inner tube
Mask covers the front opening of outer tube, meanwhile, flap valve is hinged with outer tube at the front opening of outer tube, realizes that flap valve exists
It can be opened by inner tube on the front opening of outer tube.
Preferably, the flap valve has four, and four flap valves respectively account for a quarter hemisphere face size, four flap valves
It is respectively hinged with outer tube at the front opening of outer tube.
Preferably, the flap valve is gradually thinning from root to top, is opened conducive to inner tube.
Preferably, the outer tube is that polyethylene (PE) is managed or polyvinyl chloride (PVC) is managed or silicone rubber tube, institute
The inner tube stated is that stainless steel tube or polyurethane (TPU) are managed.
Compared with prior art, the utility model has the beneficial effects that originally preventing the embryo transplantation tube of blocking using outside
The mode of flap valve is set at the front opening of pipe, outer tube its front opening during entering uterine cavity is made to be in normally closed shape
State enters outer tube lumen so as to avoid neck palace mucus, clot and the internal film tissue that falls off, lumen is caused to block, when inner tube carries
When embryo enters outer tube, inner tube can push out the flap valve on the front opening of outer tube, to make outer tube nozzle open, in turn
Complete entire embryo transfer operation.
Detailed description of the invention
Fig. 1 is embryo transplantation tube operation schematic diagram in the prior art；
Fig. 2 is the structural schematic diagram under the utility model outer tube nozzle closed state；
Fig. 3 is the overlooking structure diagram of Fig. 2；
Fig. 4 is the structural schematic diagram of the utility model outer tube nozzle open state；
Fig. 5 is the overlooking structure diagram of Fig. 4.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 2-5, a kind of embryo transplantation tube preventing blocking, including embryo transfer tube body 1, the embryo transfer
Tube body 1 includes outer tube 11 and inner tube 12, and at least a piece of flap valve 2 in arc surfaced is arranged on the front opening of the outer tube 11,
The front opening that flap valve 2 forms the external pipe 11 of a hemisphere mask is covered, meanwhile, front opening of the flap valve 2 in outer tube 11
Place is hinged with outer tube 11, realizes that flap valve 2 can be opened on the front opening of outer tube 11 by inner tube 12.
Flap valve 2 in the present embodiment has four, and four flap valves 2 respectively account for a quarter hemisphere face size, and four flap valves 2 are each
Hinged with outer tube 11 at the front opening of comfortable outer tube 11, four flap valves 2 realize unidirectional opening.
In addition, flap valve 2 is to be opened from root to top gradually thinning distribution conducive to inner tube 12, wherein outer
Pipe 11 is that perhaps silicone rubber tube inner tube 12 is stainless steel tube or polyurethane tube for polyethylene pipe or polyvinyl chloride pipe.
Specifically, the connection of flap valve 2 and outer tube 11 uses articulated manner, and flap valve 2 is identical with 11 material of outer tube, hinged hinge
Chain also uses identical material.
When in use: dismantling the outer packing of embryo transplantation tube first, the outer tube 11 and inner tube 12 of inner packing will be had respectively
It transfers to implement the clinician and laboratory technicians that embryo transfer operates.Clinician dismantles outer tube by sterile working specification
Outer tube 11 is inserted into uterine cavity through cervix opening under B ultrasound guide by 11 inner packing.At this moment the unidirectionally open flap valve 2 of nozzle starts to send out
The effect of waving, four flap valves 2 of 11 nozzle front end of outer tube are in nature closed state in the case where not having external force；In outer tube
During 11 insertion uterine cavities, 11 front end of outer tube and periphery by the pressure from uterine neck and internal film tissue's ecto-entad, this
A little pressure can maintain the closed state of nozzle, therefore avoid neck palace mucus, clot and the internal film tissue's progress outer tube 11 that falls off
Lumen or nozzle cause outer tube 11 to block.After outer tube 11 is plugged, embryo is inhaled in into inner tube 12 by laboratory technicians,
It allows embryo to be at away from nozzle 3-5mm, is followed by one section of bubble immediately following embryo, it, will to facilitate the propulsion situation of B ultrasound observation embryo
The inner tube 12 for having inhaled embryo is inserted into from 11 tail portion opening of outer tube, when the nozzle of inner tube 12 touches the flap valve 2 of 11 nozzle of outer tube
It is appropriate firmly to being pushed forward when inside, flap valve 2 can be pushed open (there are certain gap in 11 inside of outer tube and inner tube between 12 outside,
Therefore during inner tube 12 enters outer tube 11, the intraluminal air pressure of outer tube 11 be will not change, and will not occur outer tube 11 too early
The case where nozzle flap valve is opened), 12 nozzle of inner tube enters uterine cavity by 11 nozzle of outer tube, and rotating bolus injection is mounted in 12 tail portion of inner tube
Syringe injects embryo into uterine cavity, after the bubble after embryo is observed under B ultrasound carries out uterine cavity, slowly by outer tube 11 together with interior
Pipe 12 is withdrawn from from uterine cavity together, repeated flushing inner tube 12, after confirmation is without embryo's residual, that is, completes embryo transfer process.
The flap valve 2 of the utility model is also possible to a complete hemisphere mask, can also respectively account for half by two
A big valvula composition of hemisphere face, in short, flap valve 2 regardless of being made of several parts, flap valve 2 will constitute one completely after being closed
Hemisphere face prevents from blocking to protect the nozzle of outer tube 11.The hinge point of flap valve 2 does not have to along this 2 bottom of flap valve
Portion's setting, only needs bottom a part of flap valve 2 to connect with 11 nozzle of outer tube, the hinge width connected certainly cannot be wide
Cannot be narrow, it is wide it cannot be guaranteed that flap valve 2 pushes smooth degree open, it is too narrow it cannot be guaranteed that flap valve 2 is steady on 11 nozzle of outer tube
Determine degree, that is, flap valve 2 cannot excessively flexibly, to prevent just opening voluntarily before entering human body.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of embryo transplantation tube for preventing blocking, including embryo transfer tube body, the embryo transfer tube body includes outer tube
And inner tube, which is characterized in that at least a piece of flap valve in arc surfaced, the flap valve composition are set on the front opening of the outer tube
The front opening of one external pipe of hemisphere mask is covered, meanwhile, flap valve is hinged with outer tube at the front opening of outer tube, real
Existing flap valve can be opened on the front opening of outer tube by inner tube.
2. the embryo transplantation tube according to claim 1 for preventing blocking, which is characterized in that the flap valve has four, and four
Piece flap valve respectively accounts for a quarter hemisphere face size, and four flap valves are respectively hinged with outer tube at the front opening of outer tube.
3. the embryo transplantation tube according to claim 2 for preventing blocking, which is characterized in that the flap valve is from root to top
Portion is gradually thinning.
4. the embryo transplantation tube according to claim 1 for preventing blocking, which is characterized in that the outer tube is polyethylene pipe
Either polyvinyl chloride pipe or silicone rubber tube.
5. the embryo transplantation tube according to claim 1 for preventing blocking, which is characterized in that the inner tube is stainless steel tube
Or polyurethane tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821967277.1U CN209253067U (en) | 2018-11-27 | 2018-11-27 | A kind of embryo transplantation tube preventing blocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821967277.1U CN209253067U (en) | 2018-11-27 | 2018-11-27 | A kind of embryo transplantation tube preventing blocking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209253067U true CN209253067U (en) | 2019-08-16 |
Family
ID=67564668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821967277.1U Expired - Fee Related CN209253067U (en) | 2018-11-27 | 2018-11-27 | A kind of embryo transplantation tube preventing blocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209253067U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111012300A (en) * | 2019-12-30 | 2020-04-17 | 陆秀敏 | Laparoscope examination device for infertility |
| CN112472260A (en) * | 2020-11-27 | 2021-03-12 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Embryo transplantation tube capable of quantitatively extracting |
| CN112617987A (en) * | 2020-12-30 | 2021-04-09 | 深圳英莱生命科学有限公司 | Embryo transplantation tube |
-
2018
- 2018-11-27 CN CN201821967277.1U patent/CN209253067U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111012300A (en) * | 2019-12-30 | 2020-04-17 | 陆秀敏 | Laparoscope examination device for infertility |
| CN112472260A (en) * | 2020-11-27 | 2021-03-12 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Embryo transplantation tube capable of quantitatively extracting |
| CN112617987A (en) * | 2020-12-30 | 2021-04-09 | 深圳英莱生命科学有限公司 | Embryo transplantation tube |
| CN112617987B (en) * | 2020-12-30 | 2022-07-05 | 深圳英莱生命科学有限公司 | Embryo transplantation tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20211127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |