CN102871788B - Inflatable lumen plug - Google Patents
Inflatable lumen plug Download PDFInfo
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- CN102871788B CN102871788B CN201210370893.XA CN201210370893A CN102871788B CN 102871788 B CN102871788 B CN 102871788B CN 201210370893 A CN201210370893 A CN 201210370893A CN 102871788 B CN102871788 B CN 102871788B
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- lumen plug
- inflated type
- type lumen
- gas
- header body
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Abstract
The invention relates to an inflatable lumen plug and an application method thereof. The inflatable lumen plug comprises a head and a rear part communicated with the head. A gas self-releasing part is disposed in the head. The rear part is capable of swelling after inflation. The inflatable lumen plug is light, thin-walled, fine in compliance and easy to implant and take out. When the inflatable lumen plug is used to blocking the fallopian tube for contraception, repatency rate of fallopian tubes after the lumen plug is taken out is high.
Description
Technical field
The present invention relates to a kind of tube chamber blocking device, relate more specifically to a kind of inflated type lumen plug.
Background technology
Fast effectively and the tube chamber obstruction method that can conveniently recover, be the conventional means of medical domain and other respective ducts fluid applications.In reproductive medicine field, growth difference is the core of healthy reproduction.Along with society and scientific and technological development, female contraception method gets more and more, such as intrauterine device, condom, oral length effect contraceptive and injection Contraceptive etc., but these methods all more or less have some complication and are not widely accepted.
Fallopian tube is connected to ovary and uterus, therefore salpingemphraxis also can be realized the object of practising contraception.Unterbindung des Eileiter is a kind of method of widely used contraception or sterillization, but traditional tubal ligation is Unterbindung des Eileiter, blocks the passage that ovum leads to uterus, can cause the permanent sterillization of women.Therefore, be only applicable to expect can permanent sterillization and without the adult women of surgical contraindication, only wish that women that is temporary or reversibility contraception is not then suitable for this operation for tubal ligation.And fallopian tube gluing and stoping method also can form inseparable adhesion making fallopian tube, thus affecting oviducal recanalization rate, not being suitable for equally and wishing women that is temporary or reversibility contraception.
Therefore, research safety, effective, the easy to use and contraceptive device that oviducal recanalization rate is high, become one of emphasis of the technical research that avoids conception and control birth.
Summary of the invention
For above-mentioned technical problem existing in prior art, the present invention proposes a kind of inflated type lumen plug, it is at contraception not only efficiency blocking fallopian tube, and prevent pregnancy, and oviducal recanalization rate is high after removal, it can also be used for common fluid pipeline.The invention allows for the using method of this inflated type lumen plug in contraception.
According to a first aspect of the invention, propose a kind of inflated type lumen plug, comprise, header body, in header body, be provided with gas from release portion, and the rear body be communicated with header body, rear body can expand after inflation.
After inflated type lumen plug of the present invention is put into fallopian tube, effectively can block fallopian tube, prevent pregnancy, also can not produce bad side effect to each function of human body.More importantly, after being taken out by this inflation contraceptive suppository, oviducal recanalization rate is high and do not affect pregnancy.In addition, being arranged on gas in header body makes after inflated type lumen plug according to the present invention is placed into fallopian tube, getting up by automatic expansion from release portion.When taking out this inflated type lumen plug, only needing to be punctured releasing gas, namely can take out easily, be very easy to it and use.
In one embodiment, inflated type lumen plug original state is vacuum, gas comprises from release portion and can contact and react and generate the first material and second material of gas, and wherein in the initial state, the first material and the second material wrap with medical lapping respectively.
Can not contact because the first material is wrapped respectively with the second material, therefore avoid inflated type lumen plug and be inflated before putting into.After inflated type lumen plug is put into fallopian tube, to contact with the second material by making the first material and react inflated type lumen plug is expanded, being very easy to use.In addition, inside is the small volume of the inflated type lumen plug of vacuum in the initial state, is convenient to put into.In one embodiment, medical lapping comprises medical paraffin or macromolecule wax.These medical lappings belong to non-hydrophilic material, be solid-state, hydroaropic substance can be kept apart under room temperature, and nontoxic, be not absorbed by the body, be suitable as lapping of the present invention.
In one embodiment, first material is the one in sodium carbonate, sodium bicarbonate, lithium carbonate, potassium carbonate and potassium bicarbonate, second material is the one in aluminum chloride, hydrochloric acid, citric acid, oxalic acid and acetic acid, and at least one wherein in the first material and the second material is aqueous solution state.These first materials and the second material can react and release gas inflated type lumen plug to be expanded, and more importantly its product is harmless.
In a preferred embodiment, the inwall of inflated type lumen plug is also provided with ribs in axial direction.Ribs makes inflated type lumen plug before inflation, have certain rigidity, facilitates its clamping and puts into.
In another embodiment, gas comprises the header body including barotropic gas from release portion, and is provided with barrier film between header body and rear body, and wherein, barrier film breaks when header body is extruded, and enters rear body to allow the gas in header body.
The inflated type lumen plug of this structure can realize the inflation at once of inflated type lumen plug in use, blocks fallopian tube immediately.In addition, the header body of inflation has certain rigidity, facilitates the clamping of inflated type lumen plug and puts into.
In one embodiment, the outer surface of inflated type lumen plug is provided with anti-skid structure, preferably anti-skid structure is embodied as one or more in circumferential fin, helical form fin and spinous process.This structure is used for preventing inflated type lumen plug from skidding off fallopian tube or sliding into fallopian tube depths.
In one embodiment, the material of inflated type lumen plug is flexible high molecular material, is preferably the one in medical grade rubber, elastic polyurethane and polyster fibre.These Biocompatibilities are good, inanimate object toxicity and soft flexible, can not damage human body.
The invention still further relates to, according to inflated type lumen plug mentioned above purposes in blocking fallopian tube, nasal cavity, auditory meatus, blood vessel, digestive tract and fluid circuit.
According to a second aspect of the invention, propose and use the using method of above-mentioned inflated type lumen plug in blocking intrafallopian contraception, comprising:
Step one: inflated type lumen plug is put into intratubal pre-position by clamper,
Step 2: apply power to header body by clamper, causes gas to be full of whole contraceptive suppository, and the outer surface of contraceptive suppository and oviducal inwall are fitted completely,
Step 3: when taking out contraceptive suppository, contraceptive suppository being punctured, is then taken out with clamper.
In one embodiment, when use reacted by the first material and the second material and generate gas expand inflated type lumen plug time, in step 2, need by header body wrapped up by medical lapping and the medicine particle formed passes through External Force Acting, such as crumb and make the first material and the second material contact and react, generate gas.In one embodiment, make the first material and the second material contact and react by medicine particle of crumbing, generate gas.
In one embodiment, when be used in establish septate inflated type lumen plug between header body and rear body time, in step 2, need to apply power to make membrane ruptures by clamper to header body, cause gas to be full of whole contraceptive suppository.
In this application, term " original state " refer to inflated type lumen plug put into fallopian tube before state.Term " vacuum " is that finger pressure is lower than 1 normal atmosphere.Term " malleation " is that finger pressure is higher than 1 normal atmosphere.
Compared with prior art, the tube chamber that the present invention adopts airing form to realize leading to again blocks fast, and simple to operate, cost is lower.In blocking intrafallopian contraception, after inflated type lumen plug of the present invention is put into fallopian tube, effectively can block fallopian tube, prevent pregnancy, and after being taken out by this inflation contraceptive suppository, oviducal recanalization rate is high, does not affect pregnancy.Because contraceptive suppository of the present invention is inflatable structure, therefore its quality is light, comparatively soft, compliance is better.Inflated type lumen plug of the present invention is inflated after putting into fallopian tube again, first exits before it is removed, and therefore it is put into and takes out does not need large operation, simple.In addition, inflated type lumen plug according to the present invention can also be used for blocking other lumen of human body, reaches the object of disease therapy.
Accompanying drawing explanation
Also will be described in more detail the present invention with reference to accompanying drawing based on embodiment hereinafter.In order to the structure of inflated type lumen plug of the present invention can be clearly illustrated, show internal structure with the shape under its swelling state in the accompanying drawings.Wherein:
Fig. 1 is the structural representation of the first embodiment according to inflated type lumen plug of the present invention;
Fig. 2 is the structural representation of the second embodiment according to inflated type lumen plug of the present invention.
In the drawings, identical component is indicated by identical Reference numeral.Accompanying drawing is not according to the scale of reality.
Detailed description of the invention
Below in conjunction with inflated type lumen plug of the present invention accompanying drawing and for it as salpingemphraxis contraception the present invention will be further described.
Fig. 1 show schematically show the structure of the first embodiment according to inflated type lumen plug 10 of the present invention.Inflated type lumen plug 10 comprises the header body 11 and rear body 12 that communicate with each other.In header body 11, be provided with gas from release portion 13, and rear body 12 is not containing gas, only could expands after to its inflation.In the embodiment shown in fig. 1, the intermediate 14 that header body 11 and rear body 12 are also passed through is connected.On the whole, this inflated type lumen plug 10 profile is dumb-bell shape.Be that the shape of inflated type lumen plug 10 is not limited to dumb-bell shape with being to be understood that, such as it can also be Nodus Nelumbinis Rhizomatis shape.
As shown in Figure 1, the gas of inflated type lumen plug 10 may be selected to be from release portion 13 and contacts and react and two or more materials having gas to release.In one embodiment, have employed two kinds of materials, wherein a kind of is one in sodium carbonate, sodium bicarbonate, lithium carbonate, potassium carbonate and potassium bicarbonate, and another kind is the one in aluminum chloride, hydrochloric acid, citric acid, oxalic acid and acetic acid.Such as, 2AlCl
3+ 3Na
2cO
3+ 3H
2o=6NaCl+2Al (OH)
3↓+3CO
2↑, AlCl
3+ 3NaHCO
3=3NaCl+Al (OH)
3↓+3CO
2↑.In order to make reaction to carry out smoothly, at least one in the first material and the second material is aqueous solution state.The reaction of these first materials and the second material can be released carbon dioxide and inflated type lumen plug 10 can be expanded.More importantly, when blocking application in intrafallopian contraception, reaction product is all harmless, thus in process when taking-up inflated type lumen plug 10 hereinafter described, can not damage human body.Specifically, before inflated type lumen plug 10 is put into fallopian tube, these two kinds of materials should be in the state being wrapped material respectively and wrapping, to ensure that two kinds of materials can not react.After inflated type lumen plug 10 is put into fallopian tube, crumbed by medicine particle 13 by external force, two kinds of materials contact and the releasing gas that reacts, thus inflated type lumen plug 10 are expanded.
The inwall of inflated type lumen plug 10 is also provided with multiple ribs 15 in axial direction, as shown in Figure 1.Preferably multiple ribs 15 is arranged in same intervals.Ribs 15 is such as formed by forming thin-and-long raised item on the inwall of inflated type lumen plug 10, therefore can be thicker at the wall of ribs 15 place inflated type lumen plug 10, and rigidity is also larger.Arranging multiple ribs 15 makes inflated type lumen plug 10 also have certain rigidity in an initial condition, facilitates its clamping and puts into.
The material of inflated type lumen plug 10 should select to have good biocompatibility, inanimate object toxicity, softness whippy macromolecular material or biomaterial manufacture.In the present invention, the Material selec-tion of inflated type lumen plug 10 is the one in medical grade rubber, elastic polyurethane and polyster fibre.The inflated type lumen plug 10 prepared by these materials is soft, light weight and compliance is good.
The using method of a concrete inflated type lumen plug 10 as shown in Figure 1 in blocking intrafallopian contraception is described below.
In the initial state, inflated type lumen plug 10 inside is vacuum, and is provided with therein with the sodium bicarbonate aqueous solution 20mg of 10% by weight of medical paraffin parcel and aluminum chloride 10mg two medicine particles 13 with medical paraffin parcel.Now, inflated type lumen plug 10 is long and narrow wire.Inflated type lumen plug 10 small volume of this elongated shape, is convenient to put into fallopian tube.
After the placement being completed inflated type lumen plug 10 by clamper (not shown), clamper can be used to be crumbed by these two medicine particles 13 simultaneously.Therefore sodium bicarbonate aqueous solution and aluminum chloride contact with each other and react, and release carbon dioxide, cause inflated type lumen plug 10 to expand gradually, fallopian tube (not shown) blocking the most at last.
Inflated type lumen plug 10 forms the little shape in large centre, two after gassy, namely forms dumbbell shape or Nodus Nelumbinis Rhizomatis shape.In the embodiment shown in fig. 1, the two ends of inflated type lumen plug 10 vary in size, and wherein larger header body 11 is put nearly uterine extremity and slided into fallopian tube depths to prevent inflated type lumen plug 10, damages human body.And less rear body 12 puts uterine extremity far away to prevent inflated type lumen plug 10 from skidding off from fallopian tube, cause contraceptive failure.In a preferred embodiment, the outer surface of inflated type lumen plug 10 is provided with anti-skid structure 16, as shown in Figure 1.Anti-skid structure 16 such as can be embodied as circumferential fin, helical form fin and spinous process etc.
When taking out inflated type lumen plug 10, first inflated type lumen plug 10 being staved and release inner gas and make its smaller volume, and then using clamper to be taken out.
Show schematically show the inflated type lumen plug 10 ' according to second embodiment of the invention in fig. 2.The agent structure of inflated type lumen plug 10 ' and using method and inflated type lumen plug 10 similar, for simplicity, the difference of inflated type lumen plug 10 ' and inflated type lumen plug 10 is only described here.
In the initial state, the gas of inflated type lumen plug 10 ' comprises the header body 11 ' including barotropic gas from release portion, is vacuum, is provided with barrier film 21 between header body 11 ' and rear body 12 ' in rear body 12 '.In one embodiment, when barrier film 21 being provided with weakness zone and making to use certain pressure squeeze bulb body 11 ', barrier film 21 can be worn out.
In use, after inflated type lumen plug 10 ' is put into fallopian tube, the header body 11 ' only needing pinching to inflate thus barrier film 21 is broken can realize the inflation of whole inflated type lumen plug 10 ', blocks fallopian tube immediately.
In addition, according to inflated type lumen plug 10 or 10 of the present invention ' also can in blocking human body other lumens, if nasal cavity, auditory meatus, blood vessel, digestive tract are to reach the object of disease therapy.Temporary plug fluid circuit can also be used for.
Although invention has been described with reference to preferred embodiment, without departing from the scope of the invention, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristic mentioned in each embodiment all can combine in any way.The present invention is not limited to specific embodiment disclosed in literary composition, but comprises all technical schemes fallen in the scope of claim.
Claims (8)
1. an inflated type lumen plug, comprises,
Header body, is provided with gas from release portion in described header body, and
The rear body be communicated with header body, described rear body can expand after inflation,
Described inflated type lumen plug original state is vacuum, and described gas comprises from release portion and can contact and react and generate the first material and second material of gas,
Wherein in the initial state, described first material and the second material wrap with medical lapping respectively,
Described first material is the one in sodium carbonate, sodium bicarbonate, lithium carbonate, potassium carbonate and potassium bicarbonate, described second material is the one in aluminum chloride, hydrochloric acid, citric acid, oxalic acid and acetic acid, and at least one in wherein said first material and the second material is aqueous solution state.
2. inflated type lumen plug according to claim 1, is characterized in that, described medical lapping comprises medical paraffin or macromolecule wax.
3. inflated type lumen plug according to claim 1, is characterized in that, is filled with barotropic gas at described head, and between described header body and rear body, be provided with barrier film, wherein, barrier film breaks when described header body is extruded, and enters described rear body to allow the gas in header body.
4. the inflated type lumen plug according to any one of Claim 1-3, is characterized in that, the inwall of described inflated type lumen plug is also provided with ribs in axial direction.
5. the inflated type lumen plug according to any one of Claim 1-3, is characterized in that, the outer surface of described inflated type lumen plug is provided with anti-skid structure.
6. inflated type lumen plug according to claim 5, is characterized in that, described anti-skid structure be embodied as in circumferential fin, helical form fin and spinous process one or more.
7. the inflated type lumen plug according to any one of Claim 1-3, is characterized in that, the material of described inflated type lumen plug is flexible high molecular material.
8. inflated type lumen plug according to claim 7, is characterized in that, described flexible high molecular material is the one in medical grade rubber, elastic polyurethane and polyster fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210370893.XA CN102871788B (en) | 2012-09-28 | 2012-09-28 | Inflatable lumen plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210370893.XA CN102871788B (en) | 2012-09-28 | 2012-09-28 | Inflatable lumen plug |
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| Publication Number | Publication Date |
|---|---|
| CN102871788A CN102871788A (en) | 2013-01-16 |
| CN102871788B true CN102871788B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210370893.XA Expired - Fee Related CN102871788B (en) | 2012-09-28 | 2012-09-28 | Inflatable lumen plug |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000628B (en) * | 2014-05-10 | 2018-05-22 | 中南大学湘雅三医院 | Stomach first aid capsule haemostat and Hemostasis |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2406634Y (en) * | 1999-11-19 | 2000-11-22 | 周星 | Obstruction for oviduct |
| CN1288714A (en) * | 2000-11-01 | 2001-03-28 | 周星 | Contraceptive air bag suppository |
| EP2191797A1 (en) * | 1999-02-01 | 2010-06-02 | Adiana, Inc. | Apparatus for Fallopian tube occlusion |
| CN102665619A (en) * | 2009-10-23 | 2012-09-12 | 孕体股份有限公司 | Contraceptive devices |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8322341B2 (en) * | 2008-09-09 | 2012-12-04 | Conceptus, Inc. | System and method for occluding a reproductive body lumen |
-
2012
- 2012-09-28 CN CN201210370893.XA patent/CN102871788B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2191797A1 (en) * | 1999-02-01 | 2010-06-02 | Adiana, Inc. | Apparatus for Fallopian tube occlusion |
| CN2406634Y (en) * | 1999-11-19 | 2000-11-22 | 周星 | Obstruction for oviduct |
| CN1288714A (en) * | 2000-11-01 | 2001-03-28 | 周星 | Contraceptive air bag suppository |
| CN102665619A (en) * | 2009-10-23 | 2012-09-12 | 孕体股份有限公司 | Contraceptive devices |
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| CN102871788A (en) | 2013-01-16 |
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