CN109875664A - Subtract device of tyre for multifetation - Google Patents
Subtract device of tyre for multifetation Download PDFInfo
- Publication number
- CN109875664A CN109875664A CN201910216714.9A CN201910216714A CN109875664A CN 109875664 A CN109875664 A CN 109875664A CN 201910216714 A CN201910216714 A CN 201910216714A CN 109875664 A CN109875664 A CN 109875664A
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- CN
- China
- Prior art keywords
- multifetation
- tyre
- negative
- pressure suction
- pipe
- 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.)
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Links
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 210000001161 mammalian embryo Anatomy 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 12
- 230000006378 damage Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001338 necrotic effect Effects 0.000 abstract description 3
- 230000002980 postoperative effect Effects 0.000 abstract description 3
- 206010000210 abortion Diseases 0.000 abstract description 2
- 231100000176 abortion Toxicity 0.000 abstract description 2
- 230000013020 embryo development Effects 0.000 abstract description 2
- 239000003814 drug Substances 0.000 description 6
- 230000001605 fetal effect Effects 0.000 description 6
- 210000003754 fetus Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 210000002257 embryonic structure Anatomy 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 229940079593 drug Drugs 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 206010000234 Abortion spontaneous Diseases 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 2
- 208000015994 miscarriage Diseases 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 208000000995 spontaneous abortion Diseases 0.000 description 2
- 210000001215 vagina Anatomy 0.000 description 2
- 208000036830 Normal foetus Diseases 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- 238000009165 androgen replacement therapy Methods 0.000 description 1
- 238000011950 automated reagin test Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 208000000509 infertility Diseases 0.000 description 1
- 231100000535 infertility Toxicity 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 231100000533 low birth weight Toxicity 0.000 description 1
- 208000018773 low birth weight Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000016087 ovulation Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
Abstract
The invention discloses the device of tyre that subtracts for multifetation, including guide wire, broken pipe and negative-pressure suction pipe；The broken pipe and negative-pressure suction pipe can be sheathed in guide wire; the end of the broken pipe has crushing mechanism; the end face of the negative-pressure suction pipe is closed form; open up multiple through-holes backward from end face; the flexible protective cover in the outside of the through-hole, the negative-pressure suction pipe pass through the axis of protective cover and are fixedly connected with protective cover.Subtract device of tyre for multifetation in the present invention; when operation; first guide wire is punctured to embryo; by broken pipe in guide wire; crushing mechanism takes out broken pipe after smashing embryo to pieces; negative-pressure suction pipe is passed through in guide wire; protective cover is covered to suction areas; suction effect can be improved; reduce remaining necrotic tissue; and protective cover can effectively avoid the damage caused by surrounding tissue and embryo in aspiration procedure, reduce postoperative abortion ratio to surrounding tissue and other embry ogenesis protective effects.
Description
Technical field
The present invention relates to technical field of medical equipment, more particularly, to multifetation subtracts device of tyre.
Background technique
With the utilization of the Assisted Reproductive Technology ARTs such as ovulation induction technology and artificial impregnation, on the one hand for infertility patient with
The hope born children is carried out, multifetation also increases therewith but then.Since multifetation is easy to happen miscarriage, morning
Production, born low birth weight children etc., it is difficult to guarantee that fetus survives, and increase pregnant woman's complication, seriously affect pregnant and lying-in women and tire
The health of youngster even threat to life.The mode that miscarriage is generally taken to multifetation in the past or is developed as one pleases, and in recent years,
With fetal reduction can number that is safe and efficiently controlling delivery of fetus, improve the survival rate of fetus, it is pregnant to greatly reduce polyembryony
The damage being pregnent to mother and baby.Fetal reduction be terminate in multifetation depauperation, deformity or excessive fetus continue to develop,
To reduce pregnant woman and foetal condition, it is ensured that the technology that healthy fetus is normally survived and developed.
Currently, there are mainly three types of methods for fetal reduction: Embryo aspiration method, infusion of medicine method, mechanical damage method, wherein plumule
Suction method is suitable for 6~8 pregnant weeks, but for pregnant 8 weeks or more embryos, is not easy to be sucked out because embryo is excessive；Infusion of medicine method exists
The possibility of fetal rhythm rebeating, and the drug injected may enter other embryos by blood circulation communicating branch existing between embryo,
A possibility that causing to retain embryonic loss, and newborn teratogenesis occurs, increases；Mechanical destruction method because uteroventral operation amplitude compared with
Greatly, the operating time is long, and residual necrotic tissue is more, is not easy suction completely, and when aspirating broken embryo, can be to week
The tissue or embryo enclosed damages, and easily leads to postoperative abortion ratio and increases.
Summary of the invention
8 weeks or more embryos are not suitable for solve in the prior art, existing for fetal reduction, infusion of medicine will lead to other embryos
The technical issues of tire deformity, residual tissue are more, aspiration procedure can generate damage to surrounding tissue, technical solution of the present invention is such as
Under:
The device of tyre that subtracts for multifetation in the present invention, including guide wire, broken pipe and negative-pressure suction pipe；It is described to lead
The port of skirt is sharp property inclined-plane, and the broken pipe and negative-pressure suction pipe can be sheathed in guide wire, the end of the broken pipe
With crushing mechanism, the end face of the negative-pressure suction pipe is closed form, opens up multiple through-holes backward from end face, the through-hole it is outer
Portion has protective cover, and the negative-pressure suction pipe passes through the axis of protective cover and is fixedly connected with protective cover.
Further, the crushing mechanism includes helical blade and motor, and the helical blade includes four cutting sheets, and four
The cutting sheet is arranged centered on the output shaft of motor.
Further, the end of the cutting sheet is extended vertically to the direction far from motor.
Further, multiple multi-directional balls, the outer end institute of the multi-directional ball is circumferentially arranged close to the position of motor in the broken pipe
The round diameter of composition and the internal diameter of guide wire are equal.
Further, the end of the broken pipe has controller, and the control terminal of the controller and motor passes through conducting wire company
It connects or is connected by wireless communication module.
Further, the end of the negative-pressure suction pipe is connect with vacuum extractor.
Further, the quantity of the through-hole is 2-8, arranges in 1-2 and is arranged centered on the axis of the negative-pressure suction pipe
Cloth.
Further, the shape of the through-hole is ellipse or circle.
Further, the quantity of the through-hole is 3, is uniformly distributed in 1 row, and shape is ellipse.
Further, the material of the protective cover is elastomer or rubber.
Subtract device of tyre for multifetation in the present invention, compared with prior art, it has the advantage that:
Subtract device of tyre for multifetation in the present invention, when operation, first guide wire is punctured to embryo, will be crushed
For pipe in guide wire, crushing mechanism takes out broken pipe after smashing embryo to pieces, and negative-pressure suction pipe is passed through in guide wire, will be protected
Cover covering can be improved suction effect, reduce remaining necrotic tissue, and protective cover can be to surrounding tissue and its to suction areas
His embry ogenesis protective effect, effectively avoids the damage caused by surrounding tissue and embryo in aspiration procedure, reduces postoperative stream
Yield.
Detailed description of the invention
Fig. 1 is the schematic diagram of guide wire and broken pipe in the present invention；
Fig. 2 is the schematic diagram that pipe is crushed in the present invention；
Fig. 3 is the schematic diagram of negative-pressure suction pipe in the present invention；
Fig. 4 is the schematic diagram that pipe is crushed in an embodiment of the present invention；
Fig. 5 is the schematic diagram of guide wire and negative-pressure suction pipe in an embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing of the invention, technical solution of the present invention is clearly and completely described.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
As shown in Figure 1-3, subtract device of tyre for multifetation in the present invention, including guide wire 1, broken pipe 2 and negative
Press suction tube 3；Broken pipe 2 and negative-pressure suction pipe 3 can be sheathed in guide wire 1, and the end for being crushed pipe 2 has crushing mechanism, be born
The end face for pressing suction tube 3 is closed form, opens up multiple through-holes 31 backward from end face, and the outside of through-hole 31 has protective cover 32, bears
Pressure suction tube 3 passes through the axis of protective cover 32 and is fixedly connected with protective cover 32.The port of guide wire 1 needs to be sharp according to puncture
Property inclined-plane, can be used for vagina and abdomen puncture.Ancillary equipment is abdomen formula B ultrasound or female B ultrasound.By taking vagina enters as an example, operation
When, guide wire 1 punctures under the guidance of female Ultrasonic-B probe saddle to operative site, and broken pipe 2 is passed through in guide wire 1, breaks
Broken mechanism takes out broken pipe 2 after smashing embryo to pieces, negative-pressure suction pipe 3 is passed through in guide wire 1, broken embryo is sucked out,
When due to attracting broken embryo, may tissue to surrounding or embryo damage, therefore design protection cover 32 will be inhaled
It is aspirated again after drawing place's covering, can effectively avoid and normal fetus or tissue are damaged.
Preferably, crushing mechanism includes helical blade 21 and motor 22, and helical blade 21 includes four cutting sheets, and four are cut
Pitch cutting is arranged centered on the output shaft along motor 22.
As shown in figure 4, the end of cutting sheet can also be extended vertically to the direction far from motor 22 according to operation needs,
Make crushing mechanism that also there is cutting effect longitudinal.
As shown in Figure 1, lead to broken poor controllability to avoid motor 22 from swinging in rotation, can by broken pipe 2 with
Guide wire 1 is designed as being interference fitted, but above situation will cause broken pipe 2 that the movable resistance in guide wire 1 is excessive, because
This, is crushed pipe 2 close to the position of motor 22 and multiple multi-directional balls 23, round diameter composed by the outer end of multi-directional ball 23 is circumferentially arranged
It is equal with the internal diameter of guide wire 1, the bottom of motor 22 is supported by multi-directional ball 23, and make broken pipe 2 with guide wire 1 by ten thousand
It is slidably connected to ball 23, it acts as: first is that broken pipe 2 movable resistance in guide wire 1 can be reduced, second is that motor can be prevented
Shake when 22 rotation, controllability when improving broken.
The end of broken pipe 2 has controller 24, and controller 24 is connect or led to by conducting wire with the control terminal of motor 22
Wireless communication module connection is crossed, the start and stop of crushing mechanism are controlled by controller 24.
As shown in figure 5, the end of negative-pressure suction pipe 3 is connect with vacuum extractor 33.
The quantity of through-hole 31 is 2-8, arranges in 1-2 and is arranged centered on the axis of negative-pressure suction pipe 3.The shape of through-hole 31
Shape is ellipse or circle.
Preferably, the quantity of through-hole 31 is 3, is uniformly distributed in 1 row, and shape is ellipse, and oval through-hole 31 can
Attract the embryonic tissue of large volume.
Caliber due to the cover mouth of protective cover 32 greater than guide wire 1, the compressive deformation when passing through guide wire 1 of protective cover 32,
It can restore shape when stretching out guide wire 1, it is preferred that the material of protective cover 32 is elastomer or rubber.
It further include injection-tube, injection-tube protrudes into guide wire 1, and end is connect with syringe.When fetus is larger, tissue
It is more, when can not be sucked out completely, can on the basis of smashing to pieces and attracting tissue, then plus with drug inject kill fetal rhythm, specifically
Operating process is as follows: injection-tube is penetrated from guide wire 1, is inserted into embryo under the instruction of B ultrasound, by end connect syringe into
Row drug is injected.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. subtracting device of tyre for multifetation, which is characterized in that including guide wire, broken pipe and negative-pressure suction pipe；It is described to lead
The port of skirt is sharp property inclined-plane, and the broken pipe and negative-pressure suction pipe can be sheathed in guide wire, the end of the broken pipe
With crushing mechanism, the end face of the negative-pressure suction pipe is closed form, opens up multiple through-holes backward from end face, the through-hole it is outer
The flexible protective cover in portion, the negative-pressure suction pipe pass through the axis of protective cover and are fixedly connected with protective cover.
2. according to claim 1 subtract device of tyre for multifetation, which is characterized in that the crushing mechanism includes spiral shell
Vane piece and motor, the helical blade includes four cutting sheets, centered on four cutting sheets are along the output shaft of motor
Arrangement.
3. according to claim 2 subtract device of tyre for multifetation, which is characterized in that the end of the cutting sheet to
Direction far from motor extends vertically.
4. according to claim 2 or 3 subtract device of tyre for multifetation, which is characterized in that the broken pipe is close
Multiple multi-directional balls, the internal diameter phase of round diameter and guide wire composed by the outer end of the multi-directional ball is circumferentially arranged in the position of motor
Deng.
5. according to claim 4 subtract device of tyre for multifetation, which is characterized in that the end of the broken pipe has
There is a controller, the control terminal of the controller and motor is connected by conducting wire or by wireless communication module connection.
6. according to claim 1 subtract device of tyre for multifetation, which is characterized in that the end of the negative-pressure suction pipe
End is connect with vacuum extractor.
7. according to claim 6 subtract device of tyre for multifetation, which is characterized in that the quantity of the through-hole is 2-
It 8, arranges in 1-2 and is arranged centered on the axis of the negative-pressure suction pipe.
8. according to claim 7 subtract device of tyre for multifetation, which is characterized in that the shape of the through-hole is ellipse
It is round or round.
9. according to claim 8 subtract device of tyre for multifetation, which is characterized in that the quantity of the through-hole is 3
It is a, it is uniformly distributed in 1 row, shape is ellipse.
10. according to claim 9 subtract device of tyre for multifetation, which is characterized in that the material of the protective cover
For elastomer or rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216714.9A CN109875664A (en) | 2019-03-21 | 2019-03-21 | Subtract device of tyre for multifetation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216714.9A CN109875664A (en) | 2019-03-21 | 2019-03-21 | Subtract device of tyre for multifetation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109875664A true CN109875664A (en) | 2019-06-14 |
Family
ID=66933434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910216714.9A Pending CN109875664A (en) | 2019-03-21 | 2019-03-21 | Subtract device of tyre for multifetation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109875664A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080045885A1 (en) * | 2006-08-21 | 2008-02-21 | Tycohealthcare Group Lp | Compliant guard for use with an aspiration instrument |
| CN101828946A (en) * | 2009-11-20 | 2010-09-15 | 刘�英 | Embryo-reduction device |
| CN105496473A (en) * | 2016-02-26 | 2016-04-20 | 四川大学华西医院 | Novel thyroid needle biopsy device |
| CN105534578A (en) * | 2016-02-02 | 2016-05-04 | 江阴宝易德医疗科技有限公司 | Hyperelastic basket-type induced abortion device |
| CN205458955U (en) * | 2016-03-11 | 2016-08-17 | 李特 | Subtract child needle |
| CN106539610A (en) * | 2016-09-30 | 2017-03-29 | 广西医科大学第附属医院 | Damage-free type bladder and calculus of urethra stone taking device |
| CN106668964A (en) * | 2017-03-02 | 2017-05-17 | 上海伴诚医疗科技有限公司 | Intracranial hematoma breaking aspirator and intracranial hematoma breaking vacuum aspiration device |
| CN106725774A (en) * | 2016-12-16 | 2017-05-31 | 上海市第妇婴保健院 | One kind subtracts tire and punctures needle device |
| CN107280728A (en) * | 2017-08-04 | 2017-10-24 | 李莉 | A kind of thrombus remover for preventing blood vessel from damaging |
| CN207721855U (en) * | 2017-05-26 | 2018-08-14 | 上海益超医疗器械有限公司 | A kind of tissue crushing suction device |
| CN209984273U (en) * | 2019-03-21 | 2020-01-24 | 西北妇女儿童医院 | Fetal reduction device for multiple pregnancy |
-
2019
- 2019-03-21 CN CN201910216714.9A patent/CN109875664A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080045885A1 (en) * | 2006-08-21 | 2008-02-21 | Tycohealthcare Group Lp | Compliant guard for use with an aspiration instrument |
| CN101828946A (en) * | 2009-11-20 | 2010-09-15 | 刘�英 | Embryo-reduction device |
| CN105534578A (en) * | 2016-02-02 | 2016-05-04 | 江阴宝易德医疗科技有限公司 | Hyperelastic basket-type induced abortion device |
| CN105496473A (en) * | 2016-02-26 | 2016-04-20 | 四川大学华西医院 | Novel thyroid needle biopsy device |
| CN205458955U (en) * | 2016-03-11 | 2016-08-17 | 李特 | Subtract child needle |
| CN106539610A (en) * | 2016-09-30 | 2017-03-29 | 广西医科大学第附属医院 | Damage-free type bladder and calculus of urethra stone taking device |
| CN106725774A (en) * | 2016-12-16 | 2017-05-31 | 上海市第妇婴保健院 | One kind subtracts tire and punctures needle device |
| CN106668964A (en) * | 2017-03-02 | 2017-05-17 | 上海伴诚医疗科技有限公司 | Intracranial hematoma breaking aspirator and intracranial hematoma breaking vacuum aspiration device |
| CN207721855U (en) * | 2017-05-26 | 2018-08-14 | 上海益超医疗器械有限公司 | A kind of tissue crushing suction device |
| CN107280728A (en) * | 2017-08-04 | 2017-10-24 | 李莉 | A kind of thrombus remover for preventing blood vessel from damaging |
| CN209984273U (en) * | 2019-03-21 | 2020-01-24 | 西北妇女儿童医院 | Fetal reduction device for multiple pregnancy |
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