A kind of Multicarity space structure air bag plugging deviceTechnical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of Multicarity space structure air bag plugging device.
Background technique
Mostly occur damaged in oil pipeline, aqueduct, natural gas line and space capsule in the application of cavity leak stoppingThe situation of equal cavitys breakage if carrying out leak stopping to breakage not in time, will cause largely to lose when this takes place,The unpredictable consequences such as explosion can even be generated.The main method of cavity leak stopping at present is using rubber pneumatic bag, sealing agent etc.Method blocks notch.The blocking method of rubber pneumatic bag is simple and efficient, and is directly expanded air bag by inflation and is blocked pipeline, butIt is the leak stopping occasion for small pipeline, rubber pneumatic bag volume is excessively huge, and gas replenishment process is cumbersome.The method of sealing agent leak stopping isThe problems such as by the poor in timeliness that inside pipeline or side wall smears filling leak stopping reagent, there is not easy-clear and leak stopping.Therefore, there is an urgent need to a kind of light weight, portable, high reliablity, easy-operating cavity blocking methods at present.
In addition, angiorrhoxis caused by human body or other larger animals injury will cause big bleeding, if treatment is too lateWhen will seriously threaten life security.The Hemostasis of the big bleeding of angiorrhoxis at present mainly uses tourniquet bandage and filling to stopThe method of blood.Tourniquet bandage hemostasis is to block blood circulation to be generally used for four to achieve the purpose that hemostasis by vascular compressionMost simple, most effective Hemostasis when the big bleeding first aid of limb, but if tourniquet improper use, or overlong time is used,Distal limb ischemic, necrosis can be caused, the through and through wound for causing maimed person, and there are many positions is not to be available tourniquet bandage hemostasis's；Hemostasis with packs method is to use cotton goods tightly to clog at the cavity or tissue defect of bleeding, is usually used in treatment clinically, noIt is able to satisfy the demand of sudden big bleeding first aid hemostasis.Therefore, there is an urgent need to research and develop a kind of height for the big bleeding of wound at presentEffect, quick, stable Hemostasis.
Summary of the invention
To solve the above problems, the invention discloses a kind of Multicarity space structure air bag plugging device, Multicarity spaceStructural balloon is inserted into damaged mouth or big bleeding wounds, it can be achieved that fast blockage function, the anti-puncture of device for plugging, reliabilityWell, it can operate certainly, is small in size easy to carry.
In order to achieve the above objectives, technical scheme is as follows:
A kind of Multicarity space structure air bag plugging device, including air bag, overflow valve, sealing adaptor head, hose and air charging system,The air bag is equal with Multicarity space structure, including front end air storage chamber, center main air chamber, several small gas chambers, the small gas chamberEven to be centrally located main air chamber's surrounding and mutually indepedent, also mutually indepedent between the main air chamber of center, front end air storage chamber passes throughFlexible non-return valve connection center main air chamber and small gas chamber, inside air bag have support stick, and leak stopping agent film is covered outside air bag, describedOverflow valve is connect with air bag rear end, and sealing adaptor head is arranged in air bag front end, and sealing adaptor head connects air charging system by hose.
Further, the quantity of the small gas chamber is 8.
Further, the flexible non-return valve is identical as airbag body material, is thermoplastic polyurethane.
Further, the overflow valve includes overflow valve body, relief valve spool ball, overflow valve face, overflow valve spring,It is adjustable in the cavity that overflow valve body is arranged in the relief valve spool ball and overflow valve spring and overflow valve face is formedInitial tension of spring adjusts air bag overflow pressure；Overflow valve seals are equipped between overflow valve body and overflow valve face.
Further, the leak stopping agent film has some strength, can carry out volume constraint to the air bag under folded state,And it is easy to be softened, struts rear sealing agent and adhere to damaged mouth, auxiliary device carries out leak stopping；Applied to human body or other are bigWhen the big bleeding wounds of type animal are stopped blooding, leak stopping agent film contains haemostatic medicament ingredient, and auxiliary device stops blooding.
Further, there is support stick in the Multicarity space structure, air bag twisting cohesion rises on support stick when contraction stateTo support and guiding role.
Further, the air charging system is made of liquid gas gas cylinder, switch valve and quick adapter one, passes through torsionFast aeration may be implemented in dynamic switch valve, and quick adapter one can quickly be connect with the hose of different length.
Further, the sealing adaptor head includes quick adapter two, fast slotting switching bolt, inserts switching nut fastly, is closeBlock circle, the fast switching bolt of inserting are engaged with fast switching nut of inserting, and connect front end air storage chamber by Sealing shield ring, fast to insert switchingFirst two quickly connect with the hose of different length, discharge gas cylinder internal gas by rotation gas cylinder on/off valve and quickly fill to air bagGas.
The beneficial effects of the present invention are:
(1) thermoplastic polyurethane film material property, puncture resistance is good, intensity is high, good biocompatibility, colorless and odorless, noIt is unlikely to deteriorate, can be laid under easy to aging, extreme condition for a long time, thin-film material expansion is adapted to different shape breakage mouth.
(2) Multicarity space structure can greatly increase the reliability of air bag plugging, and multiple separate chamber independent inflatables are swollenSwollen, thermoplastic polyurethane film puncture resistance itself is good, and the structure of Multicarity more strengthens the puncture resistance of device for pluggingCan, allow device for plugging to cope with the more severe damaged mouth situation of condition.
(3) present invention is furnished with quick air-inflating apparatus, while there is pressure adjustable section overflow valve in air bag end, can guarantee fastlyInside air bag pressure is maintained to stablize while speed inflation.
(4) since thermoplastic polyurethane film material has certain intensity and toughness, inside air bag is filled with gas expansionIt coming, bladder shape will receive the constraint of damaged mouth volume, therefore balloon surface can provide damaged mouth certain oppressive force, andAnd it is bonded damaged mouth and carries out compressing leak stopping.
(5) bag material selects thermoplastic polyurethane film, and the material of film-form is by negative pressure twisting cohesion in internal support stickOn, then constrained by the external portion's volume of leak stopping agent film, keep apparatus structure simple and compact, conveniently fills in and take out breakageMouthful.
(6) bag material itself has the characteristics that film-form and high tenacity, can cause two to damaged mouth to avoid when taking outSecondary damage；Leak stopping agent film is adhered to damaged mouth after strutting, strengthen plugging effect.
Detailed description of the invention
Fig. 1 is deployed configuration schematic diagram of the invention.
Fig. 2 is folded state schematic diagram of the invention.
Fig. 3 is folded state assembling figure of the invention.
Fig. 4 is the working state schematic representation that the present invention is used for cavity breakage mouth.
Fig. 5 is air charging system installation diagram of the present invention.
Fig. 6 is sealing adaptor head installation diagram of the present invention.
Fig. 7 is Multicarity space structure air bag sectional view of the present invention.
Fig. 8 is flexible non-return valve structural schematic diagram of the present invention.
Fig. 9 is structure of relief valve schematic diagram of the present invention.
Reference signs list:
Air charging system 1, gas cylinder on/off valve 102, quick adapter 1, hose 2, sealing adaptor head 3, quickly turns gas cylinder 101Connector 2 301 fast inserts switching bolt 302, the fast switching nut 303, Sealing shield ring 304, air bag 4, front end air storage chamber 401, soft insertedProperty non-return valve 402, support stick 403, small gas chamber 404, center main air chamber 405, overflow valve 5, overflow valve body 501, overflow valve valveCore ball 502, overflow valve face 503, overflow valve spring 504, overflow valve seals 505, end cover 7, are broken leak stopping agent film 6Damage mouth 8.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are onlyFor illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description," rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remoteDirection from geometric center of specific component.
As shown in Figures 1 to 4, a kind of Multicarity space structure air bag plugging device of the present invention, including inflation dress1, hose 2, sealing adaptor head 3, Multicarity space structure air bag 4, overflow valve 5, leak stopping agent film 6, end cover 7 are set, it is damagedMouth 8.
As shown in figure 5, air charging system is by liquid gas gas cylinder 101, switch valve 102 and quick adapter 1 are formed,It may be implemented fast aeration by twist switch valve 102, air charging system and different length may be implemented in quick adapter 12 one end of hose quickly connects.
As shown in fig. 6, sealing adaptor head 3 is by quick adapter 2 301, fast slotting switching bolt 302, fast slotting switching nut303, Sealing shield ring 304 forms, and fast switching bolt 302 of inserting is engaged with fast nut 303 of transferring of inserting, by Sealing shield ring 304 by gasCapsule inflating port seals up, and slotting adapter 2 301 is quickly connect with 2 other end of hose of different length fastly.
As shown in Fig. 7 to Fig. 8, Multicarity space structure air bag 4 is by front end air storage chamber 401, flexible non-return valve 402, supportThe small gas chamber 404 of stick 403, side wall, center main air chamber 405；Front end air storage chamber 401 pass through flexible non-return valve 402 and other gas chambers butIt is connected, realizes gas unidirectional independent transport to each gas chamber.Support stick 403 is placed in the main air chamber of center, in folded stateWhen play a supporting role and guiding role.
As shown in figure 9, the structure packet of overflow valve 5 is by overflow valve body 501, relief valve spool ball 502, overflow valve face503, overflow valve spring 504, overflow valve seals 505 form, and adjust air bag by the pretightning force of regulation relief valve spring 504Overflow pressure guarantees that under conditions of fast aeration, balloon surface can provide stable pressure, will not cause to damaged mouth secondaryDamage.
As shown in Fig. 2, air bag is in a folded configuration, airbag apparatus is packaged into diameter less than 20mm's by leak stopping agent film 6Cylinder, so that overall volume becomes smaller, while leak stopping agent material intensity itself is little, can be strutted after air bag inflation, becauseDevice for plugging can be inserted directly into damaged mouth by this, be strutted by inflating pressure, convenient and efficient.
As shown in figure 3, all constituents of air bag in a folded configuration, air bag twisting cohesion is again on support stick 403, then passes throughLeak stopping agent film 6 is fettered, internal to further reduce air bag volume by negative pressure, and end is sealed by end cover 7, in additionOne end is sealed against by overflow valve, compact overall structure, refining.
As shown in figure 4, device for plugging is inserted into damaged mouth 8, the switch valve 102 for opening air charging system 1 is realized fastly when workSpeed inflation, leak stopping agent film 6 are softened, and air bag 4 expands direct contention effect in damaged mouth 8, control air bag table by overflow valve 5Face pressure is strong, while preventing air bag from causing secondary injury to damaged mouth.Since airbag structure is in multi-cavity structure, side wall eight stingyRoom directly acts on damaged mouth, and when balloon surface is scratched by sharp objects such as spur, the air bag of the structure can guarantee other gasThe normal work of room substantially increases the reliability that air bag uses.When taking out air bag, directly overflow valve 5 is unscrewed, realizes gasQuick release, balloon contraction can directly take out.
A kind of Multicarity space structure air bag plugging device of the present invention, can be used for the breakage of diameter 20mm-100mmMouth leak stopping, the air bag 4 after expansion can play the role of damaged mouth oppressing leak stopping；Geometric form may be implemented in the material of film-formShape is adaptive and contact pressure is adaptive；Air bag tail portion overflow valve can control inside air bag pressure within limits, keep awayExempt to cause secondary damage to damaged mouth；The Multicarity space structure of air bag can guarantee air bag in the case where sharp object is punctured according toThe air-tightness so remained intact maintains normal compressing plugging operation.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includesTechnical solution consisting of any combination of the above technical features.