CN110496288A - Anaesthesia breathing mask - Google Patents
Anaesthesia breathing mask Download PDFInfo
- Publication number
- CN110496288A CN110496288A CN201910935926.2A CN201910935926A CN110496288A CN 110496288 A CN110496288 A CN 110496288A CN 201910935926 A CN201910935926 A CN 201910935926A CN 110496288 A CN110496288 A CN 110496288A
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- China
- Prior art keywords
- diaphragm
- hole
- arcuate segment
- rigid
- duct
- 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.)
- Granted
Links
- 206010002091 Anaesthesia Diseases 0.000 title claims abstract description 21
- 230000037005 anaesthesia Effects 0.000 title claims abstract description 21
- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 21
- 238000001949 anaesthesia Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 13
- 229920002379 silicone rubber Polymers 0.000 claims description 14
- 230000007935 neutral effect Effects 0.000 claims description 12
- -1 polytetrafluoroethylene Polymers 0.000 claims description 12
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 4
- 229920000193 polymethacrylate Polymers 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 239000007789 gas Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 210000004379 membrane Anatomy 0.000 description 8
- 239000012528 membrane Substances 0.000 description 8
- 238000001839 endoscopy Methods 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 230000001954 sterilising effect Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004659 sterilization and disinfection Methods 0.000 description 5
- 230000003444 anaesthetic effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000001815 facial effect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 238000002627 tracheal intubation Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- 206010020751 Hypersensitivity Diseases 0.000 description 2
- 206010036790 Productive cough Diseases 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 208000030961 allergic reaction Diseases 0.000 description 2
- 230000002785 anti-thrombosis Effects 0.000 description 2
- 239000003146 anticoagulant agent Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 230000023555 blood coagulation Effects 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 230000000711 cancerogenic effect Effects 0.000 description 2
- 231100000315 carcinogenic Toxicity 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002695 general anesthesia Methods 0.000 description 2
- 150000002926 oxygen Chemical class 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 210000003802 sputum Anatomy 0.000 description 2
- 208000024794 sputum Diseases 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 238000012327 Endoscopic diagnosis Methods 0.000 description 1
- 206010021133 Hypoventilation Diseases 0.000 description 1
- 241001149930 Protura <class> Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000012277 endoscopic treatment Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 210000005181 root of the tongue Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0605—Means for improving the adaptation of the mask to the patient
- A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
Abstract
The present invention relates to a kind of anaesthesia breathing masks, mask body including rigidity, the soft lip ring for covering user's mouth and nose is arranged in the opening's edge of the open end of rigid face cover, mask body on a gas supply connecting tube is at least set, catheter block is set on mask body, the centre bore of catheter block is the rigid duct for being connected to mask body interior and exterior, the soft diaphragm of Zoned structure is set in rigid duct, the periphery closure of soft diaphragm is fixed on the inner wall in rigid duct, it is located at edge on diaphragm in rigid duct, rigid interior wall region and diaphragm between lower edge surround cricoid filled chamber, the appearance of diaphragm arches upward towards centre bore center and forms the sealing matching hole passed through for conduit, filled chamber side wall is equipped with the connecting hole being in communication with the outside for chamber indoor liquid or gas, the ventilation connecting tube being in communication with the outside is connected on the connecting hole.
Description
Technical field
The present invention relates to a kind of medical instruments, and in particular to a kind of anaesthesia breathing mask.
Background technique
Oneself becomes a kind of inevitable development trend to painless fiberoptic bronchial endoscopy, due to sharing patients with respiratory tract, for fiber crops
Liquor-saturated oxygen supply brings difficulty.Carrying out endoscopy at present is not to be intubated general anesthesia, and respiration inhibition occurs for such patient one, occurs to lack
The dangerous of oxygen, and it is clinical without other more preferably solutions, in clinical anesthesia work, to smoothly complete under general anesthesia
Tracheal Intubation Led By Bronchofiberoscope art is often used mask assisted ventilation, to guarantee patient safety in operation.It uses at present
Conventional mask aperture be various scopes fixed, that the clinical different state of an illness or different patients may use caliber different
It is checked, but the case where can not matching may be generated using endoscopic facial mask.Existing endoscopic facial mask structure, reserved behaviour
It is fixed as bore open and more coarse, the gas airtightness of mask can not be ensured in branchofiberoscope operation, will lead to patient
Hypoventilation causes blood oxygen saturation to decline, if only taking the mode for reducing reservation operations bore open, can satisfy fiber
The gas-tight property of mask when bronchoscope operates, but after branchofiberoscope enters air flue, when pushing tracheal catheter to air flue
Obstruction can be generated, tracheal catheter is sent into air flue with can not be successfully, even causes accidental injury.Also, the same patient is doing
When inspection there is a possibility that with the endoscopes of multiple and different diameter pipes.The mask of clinical use can not be applied to small at present
Child, children's mucous membrane is tender, sensibility is high, tolerance is poor, and children's endoscope caliber is smaller, in view of poor close of current anaesthetic mask
Performance and operational comfort are closed, children's endoscope remains clinically high risk medical item, only carries out on rare occasions,
The disease of many child patients is unable to get timely and effectively to cure.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of anaesthesia breathing masks, it is able to solve tradition
The airtightness of anaesthetic mask is poor, operates the defects of laborious, improves endoscopic safety, improves patient comfort.
The object of the present invention is achieved like this: a kind of anaesthesia breathing mask, the mask body including rigidity, the rigid face
The soft lip ring for covering user's mouth and nose is arranged in the opening's edge of the open end of cover, at least sets on the mask body
A gas supply connecting tube is set, catheter block is set on the mask body, the centre bore of the catheter block is connection mask body interior and exterior
Rigid duct, the soft diaphragm of setting Zoned structure in the rigidity duct, the periphery of soft diaphragm, which is closed, is fixed on rigidity
The inner wall in duct, be located in the rigidity duct rigid interior wall region and diaphragm on diaphragm between, lower edge surround it is cricoid
The appearance of filled chamber, the diaphragm arches upward towards centre bore center and forms the sealing matching hole passed through for conduit, described to fill out
It fills chamber sidewall and is equipped with the connecting hole being in communication with the outside for chamber indoor liquid or gas, connection is in communication with the outside on the connecting hole
Ventilation connecting tube.
The cross section of the diaphragm includes the first arcuate segment, the second arcuate segment, third arcuate segment, second arcuate segment two
End is smoothly connected the first arcuate segment, third arcuate segment respectively, and the free end of first arcuate segment is connect with rigid duct inner wall
The free end of fixed, described second arcuate segment and the inner wall in rigid duct are connected and fixed, the neutral line half of first arcuate segment
Diameter is R1, and the radius of the neutral line of the second arcuate segment is R2, the neutral line R3 of the third arcuate segment, wherein R1 is greater than R3, R2
Much larger than R1.
Check valve is set in the ventilation connecting tube.
The diaphragm is by silicon rubber, polyurethane, polytetrafluoroethylene (PTFE), polyethylene, polypropylene, polyvinyl fluoride, polymethyl
The pure ester of acid esters, poly terephthalic acid, nylon or polycarbonate are made.
The catheter block and diaphragm are integrally formed.
The soft lip ring is inflation or liquid-filled cushion, the side and the open end of rigid face cover of the cushion
Opening's edge paste fix.
The rigidity duct centre bore is three-level stepped hole and is respectively formed the first hole shoulder, the second hole shoulder, the three-level rank
The aperture of interstitial hole is minimum in terraced hole, and the upper edge of the diaphragm is connected and fixed with the first hole shoulder, the lower edge of the diaphragm 121 and the
Two hole shoulders are connected and fixed, the upper edge of the diaphragm, it is lower connect along inner surface with the inner surface of interstitial hole, the upper edge of the diaphragm,
The outer surface of lower edge respectively be located at the step hole at interstitial hole both ends, three-level ladder internal surface of hole phase in three-level stepped hole
It connects.
It is additionally provided with aperture on the mask body, which passes through cylindrical buckle structure connecting conduit seat, the conduit
Seat is outer to be arranged connection ring slot, and the limit shaft shoulder of the connection annular groove two sides respectively limits the outboard sidewalls at aperture both ends.
The diaphragm with a thickness of 0.29mm~0.4mm.
The cross section of the diaphragm is in hyperbolic parabola shape, horse-saddle or ridge paddy waveform shape.
Using the above scheme, the opening's edge of the open end of the rigid face cover is arranged for covering the soft of user's mouth and nose
Lip ring is at least arranged a gas supply connecting tube on the mask body, catheter block, the conduit is arranged on the mask body
The centre bore of seat is the rigid duct for being connected to mask body interior and exterior, and the soft film of Zoned structure is arranged in the rigidity duct
Piece, the periphery closure of soft diaphragm are fixed on the inner wall in rigid duct, are located on diaphragm between edge, lower edge in the rigidity duct
Rigid interior wall region and diaphragm surround cricoid filled chamber, the appearance of the diaphragm arches upward and is formed towards centre bore center
For the sealing matching hole that conduit passes through, the filled chamber side wall is equipped with the connection being in communication with the outside for chamber indoor liquid or gas
Hole connects the ventilation connecting tube being in communication with the outside on the connecting hole.The opening's edge of the open end of the rigid face cover is arranged soft
Matter lip ring, when in use, the soft lip ring of inflation or filling liquid is bonded with the face of patient for covering use
Person's mouth and nose form the sealing of mask body.One gas supply connecting tube is at least set on the mask body, and the gas supply connecting tube is convenient for past
Ventilation body in mask.The filled chamber side wall is equipped with the connecting hole being in communication with the outside for chamber indoor liquid or gas, the connection
The ventilation connecting tube being in communication with the outside is connected on hole, by ventilation connecting tube can in chamber as required filling gas or
Liquid is to meet pressure requirements.The periphery closure of soft diaphragm is fixed on the inner wall in rigid duct, is located in the rigidity duct
Rigid interior wall region and diaphragm on diaphragm between edge, lower edge surround cricoid filled chamber, which plays soft diaphragm
Support effect, while the rigid interior wall region on diaphragm between edge, lower edge surrounds the chamber of a filling liquid or inflation with diaphragm, to film
Air or liquid are conveyed in the space that piece is covered makes diaphragm finished product be in tensile state to keep using inside and outside draught head
Required space curved surface, and the membrane structure form with certain rigidity and receiving self weight and external load, using this structure, film
The moulding on surface can form arbitrary shape according to seal request；It can also guarantee to fill shape after cavity is inflated using this structure
State is uniform, and it is uniform that pressure is born in each face of diaphragm, it can be ensured that guarantees contact surface in the case where inflated condition, endoscope insertion
Air-tightness, and also assure endoscope when in use with endoscope withdrawing and rotation when, the table of conduit and diaphragm friction
It is pressure consistent and uniform that face can be born, submissive.Using the present invention, can be carried out not according to the conduit diameter difference of endoscope
Same amount inflation, can be suitble to different endoscopes, while can adapt to catheter surface, and it is effectively close that realization is bonded with catheter surface
Envelope, the endoscopic catheters of different pore size can be adapted to using this structure, can effectively carry out control membrane surface and conduit
Frictional resistance is to facilitate carry out endoscopic procedure；Using the present invention, membrane surface surround transformable aperture can be applied to it is small
Youngster's endoscopy, the mask for solving current clinical use can not be applied to the predicament of child.Sealing matching hole is led with endoscope
Pipe surface forms movable sealing structure, and deformation occurs and movement, diaphragm need to hold in use for catheter block inner wall when use
Active force caused by carrying catheter movement and rubbing, since the whole volume of diaphragm is smaller, the fixation of diaphragm is most important, the present invention
In, surrounding and the hole wall connection structure of diaphragm keep the connection area of diaphragm and hole wall bigger, and bonding strength is high, while connecting stress
It is more uniform, without sealing surface between diaphragm and center bore inner wall, seal failure risk is reduced, when being pressed in chamber
It waits, junction deformation is smaller, and the curvature and diaphragm flexes variation degree of the film surface of junction are small, between diaphragm and hole inner wall
Link position is constant, effectively maintains the connective stability of diaphragm, can prevent diaphragm when conduit is slided with respect to film surface
Stress falls off with catheter block center bore inner wall；Meanwhile rigid interior wall is in the outermost of diaphragm to the position of putting forth effort of diaphragm substantially
Two sides are conducive to diaphragm and resist external force, prevent diaphragm from crimping and falling off.Using the above structure, it waits, passes through in using the present invention
Enter to inject gas or liquid into chamber, by observing and checing in chamber pressure change feelings in media leaks or chamber
Condition, can judge diaphragm with the presence or absence of microgroove and it is damaged the defects of, while can also judge that the connection structure of diaphragm and centre bore is
It is no defective anaesthesia breathing mask to be effectively prevent to come into operation using this structure there are crackle or breakage, effectively drop
Low medical-risk.Using the present invention, apparatus of oxygen supply can be connected by supplying connecting tube, and endoscopic catheters can cooperate from the sealing of catheter block
Hole insertion, intubation and ventilation can carry out simultaneously, can facilitate deagnostic test and treatment, efficiently solve sputum smear fiberobronchoscopy and fiber crops
The misgivings of liquor-saturated oxygen supply, while other clinical type endoscopies can be also applicable in, the adult mask for only needing a kind of standby model can
To solve obstruction caused by falling after the root of the tongue, can solve patient absolutely not autonomous respiration the problems such as, it is easy to operate, while can also
To be used to solve the problems, such as children's outpatient service endoscopy.
The cross section of the diaphragm includes the first arcuate segment, the second arcuate segment, third arcuate segment, second arcuate segment two
End is smoothly connected the first arcuate segment, third arcuate segment respectively, and the free end of first arcuate segment is connect with rigid duct inner wall
The free end of fixed, described second arcuate segment and the inner wall in rigid duct are connected and fixed, the neutral line half of first arcuate segment
Diameter is R1, and the radius of the neutral line of the second arcuate segment is R2, the neutral line R3 of the third arcuate segment, wherein R1 is greater than R3, R2
Much larger than R1, the stress concentration effect of diaphragm is reduced using this structure, while membrane surface is capable of increasing using this structure
The surface area contacted with endoscopic catheters improves the validity of sealing, while being capable of increasing diaphragm to conduit using this structure
The support pressure of contact area makes endoscopic catheters keep stablizing.
Check valve is set in the ventilation connecting tube, and setting check valve can be convenient for giving filled chamber filled media, can
It prevents filled media from flowing back in time, keeps pressure in filled chamber more accurate and stable.
The soft lip ring is inflation or liquid-filled cushion, the side and the open end of rigid face cover of the cushion
Opening's edge paste fix, using this structure be capable of practical rigid face cover open end and patient facial region's laminating degree it is higher,
Leakproofness is stronger, while also can be improved usage comfort.
The diaphragm is by silicon rubber, polyurethane, polytetrafluoroethylene (PTFE), polyethylene, polypropylene, polyvinyl fluoride, polymethyl
The pure ester of acid esters, poly terephthalic acid, nylon or polycarbonate are made, and using the above material, diaphragm has the thermostabilization of disinfection
Property, there is anti-oxidant and corrosion resistant chemical stability, and contact not changed chemical inertness with body fluid, there is tissue
Adaptability and blood adaptability have antithrombotic, blood coagulation will not occur, will not be carcinogenic and lead to allergic reaction, have excellent
Mechanical property and functionality, and will not can lose the physical and mechanical properties such as tensile strength and elasticity modulus for a long time, have
Excellent machinability.Preferably, using silicon rubber, silicon rubber is soft, and doctor acts more when operating endoscopic catheters
Submissive, frictional resistance is smaller, while silicon rubber is very tough and tensile, and the movable sealing structure that diaphragm and catheter surface are formed can be avoided
Diaphragm, which is stretched or rubbed, there is breakage, and silicon rubber diaphragm is in entire use process, the structural diaphragm surface of dynamic sealing
Continuity can still be maintained, even if membrane surface arches upward to center is centripetal, narrow space, film when cooperating with most fine duct
Piece surface not will form fold or folding line still, be not in being continuously increased with strain, folding line in entire use process
Slowly run through membrane surface, the phenomenon that self contact area of diaphragm constantly increases, and its depth is gradually deepened, can effectively prevent
Only seal failure.Silicon rubber can also reduce the wear rate of conduit, the cost of Economy type medicine conduit.
The catheter block and diaphragm are integrally formed, using this structure can guarantee filled chamber shape uniformly, diaphragm with
Hole wall connection structure is uniform, and form is uniform after filled chamber inflation, and it is uniform that pressure is born in each face, it is ensured that the product is in inflation shape
Guarantee the air-tightness of contact surface in the case where state, endoscope insertion, and also assures endoscope when in use with endoscope
Withdrawing is consistent with the pressure that gas membrane surface when rotation can be born.It is kept away simultaneously using the overall structure of this catheter block and diaphragm
The secondary operation for having exempted from diaphragm when processing, avoids the introducing of other production auxiliary materials, avoids the risk of auxiliary material secondary pollution,
It avoids human factor and other introducing processes from causing the influence to product quality, reduces the waste of artificial investment and the means of production,
The consistency for improving product, reduces crash rate；It is integrally formed it may also be ensured that material substance is identical, in physicochemical property
On meet expected raw material, in subsequent handling, for example, when ethylene oxide sterilizing or irradiation sterilization do not have to consider different materials sterilizing
The Different Effects being subject in the process, the product after guaranteeing integrally formed processing are consistent at the beginning of design.
It is additionally provided with aperture on the mask body, which passes through cylindrical buckle structure connecting conduit seat, the conduit
Seat is outer to be arranged connection ring slot, and the limit shaft shoulder of the connection annular groove two sides respectively limits the outboard sidewalls at aperture both ends,
Quickly changeing for guide-tube structure can be realized using this structure.
The diaphragm with a thickness of 0.29mm~0.4mm, can ensure that the diaphragm is filling using the diaphragm of this thickness
Guarantee the air-tightness of the contact surface of movable sealing structure in the case where gaseity, endoscope insertion, and also assures that endoscope exists
With the flexibility of diaphragm when endoscope withdrawing and rotation when use, doctor can be facilitated to carry out endoscope and controlled.
The cross section of the diaphragm is in hyperbolic parabola shape, horse-saddle or ridge paddy waveform shape, and diaphragm uses hyperbolic
Parabolic shape, horse-saddle or ridge paddy waveform shape can make diaphragm and filled chamber keep good mechanical structure characteristic
Meanwhile multiple dynamic sealing faces are formed simultaneously, it can be improved leakproofness.It, can be to avoid traditional anaesthetic mask using foregoing invention
Airtightness is poor, operates laborious list, the safety of diagnosing and treating can be improved, improve patient comfort.
The present invention will be further explained below with reference to the attached drawings and specific examples.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is top view of the invention；
Fig. 3 is A-A view in Fig. 2；
Fig. 4 is the structural schematic diagram of catheter block.
In attached drawing, 100 be mask body, and 110 be gas supply connecting tube, and 120 be catheter block, and 121 be diaphragm, and 122 be rigid hole
Road, 123 be filled chamber, and 124 be connecting hole, and 125 be ventilation connecting tube, and 126 be connection annular groove, and 131 be aperture, and 200 be ring
Shape sealing element, 300 be sealing matching hole, and 1221 be step hole, and 1222 be three-level stepped hole, and 121a is the first arcuate segment,
121b is the second arcuate segment, and 121c is third arcuate segment, and 122a is the first hole shoulder, and 122b is the second hole shoulder, and 122c is interstitial hole,
400 be fixed column, and 125a is check valve, and 130 be flanging.
Specific embodiment
Referring to attached drawing, it will be described in specific embodiments of the present invention.
Referring to Fig. 1 to Fig. 4, a kind of embodiment of anaesthesia breathing mask, anaesthesia breathing mask, the mask body including rigidity
100, mask body 100 can be made of clear material.The opening's edge setting of the open end of the rigid face cover 100 is used for covering
The soft lip ring 200 of person's mouth and nose；Preferably, the opening's edge setting of the open end of the rigid face cover 100 extends outwardly
Flanging 130, fix soft lip ring 200 in the plate face of the flanging 130, can be increased using this structure soft
The contact surface product of lip ring 200, improves the fastness of connection structure.The soft lip ring 200 can be to fill
Gas or liquid-filled cushion, the opening's edge of the open end of the side and rigid face cover 100 of the cushion, which is pasted, fixes, the soft annular
Sealing element 200 can be in communication with the outside by being equipped with the connecting tube of check valve.
One gas supply connecting tube 110 is at least set on the mask body 100, which inputs for oxygen.
Catheter block 120 can be directly set on the mask body 100, and catheter block 120 can be used silicon rubber and be made；On the mask body 100
Aperture 131 is may also set up, which passes through cylindrical buckle structure connecting conduit seat 120, the head of the catheter block 120
End setting guiding conehead, 120 excircle of the catheter block setting connection annular groove 126, the limit shaft of connection 126 two sides of annular groove
Shoulder respectively limits the outboard sidewalls at 131 both ends of aperture, can be realized quickly changeing for guide-tube structure using this structure.
The centre bore of the catheter block 120 is the rigid duct 122 for being connected to 100 interior and exterior of mask body, setting in the rigidity duct 122
The soft diaphragm 121 of Zoned structure, the diaphragm 121 with a thickness of 0.29mm~0.4mm, using the diaphragm of this thickness
121 can ensure the diaphragm 121 in the gas for the contact surface for guaranteeing movable sealing structure in the case where inflated condition, endoscope insertion
Close property, and also assure that endoscope with the flexibility of diaphragm 121 when endoscope withdrawing and rotation, can facilitate when in use
Doctor carries out endoscope and controls.
In the present embodiment, the cross section of the diaphragm 121 includes the first arcuate segment 121a, the second arcuate segment 121b, third
Arcuate segment 121c, the both ends the second arcuate segment 121b are smoothly connected the first arcuate segment 121a, third arcuate segment 121c, institute respectively
The free end and rigid 122 inner wall of duct for stating the first arcuate segment 121a be connected and fixed, the free end of the second arcuate segment 121b
It is connected and fixed with the inner wall in rigid duct 122, the neutral layer radius of the first arcuate segment 121a is R1, the second arcuate segment 121b
Neutral line radius be R2, the neutral line R3 of the third arcuate segment 121c, wherein R1 be greater than R3, R2 be much larger than R1, use
This structure reduces the stress concentration effect of diaphragm 121, while being capable of increasing 121 surface of diaphragm and endoscope using this structure
The surface area of catheter contact improves the validity of sealing, while being capable of increasing diaphragm 121 to catheter contact area using this structure
The support pressure in domain makes endoscopic catheters keep stablizing.Certainly, the cross section of the diaphragm 121 can also be in hyperbolic parabola shape
Perhaps ridge paddy waveform shape diaphragm 121 uses hyperbolic parabola shape, horse-saddle or ridge paddy waveform shape energy for shape, horse-saddle
Enough make diaphragm 121 and filled chamber 123 keep forming multiple dynamic sealing faces while good mechanical structure characteristic, can be improved
Leakproofness.
The periphery closure of the soft diaphragm 121 is fixed on the inner wall in rigid duct 122, position in the rigidity duct 122
In on diaphragm 121 between, lower edge rigid interior wall region and diaphragm 121 surround cricoid filled chamber 123, the diaphragm
121 appearance arches upward towards centre bore center and forms the sealing matching hole 300 passed through for conduit.The diaphragm 121 can be by silicon
Rubber, polyurethane, polytetrafluoroethylene (PTFE), polyethylene, polypropylene, polyvinyl fluoride, polymethacrylates, poly terephthalic acid are pure
Ester, nylon or polycarbonate are made, and using the above material, diaphragm 121 has the thermal stability of disinfection, have anti-oxidant and resistance to
The chemical stability of corrosion, and not changed chemical inertness is contacted with body fluid, there is cmot and blood to adapt to
Property, there is antithrombotic, blood coagulation will not occur, will not be carcinogenic and lead to allergic reaction, have the function of excellent mechanical property and
Property, and the physical and mechanical properties such as tensile strength and elasticity modulus will not can be lost for a long time, and there is excellent machinability, it is soft
Plasma membrane piece 121 can pass through the interior of the techniques such as air-auxiliary injection forming, ultrasonic bonding, vulcanization or stickup and rigid duct 122
Wall forms overall structure.Preferably, diaphragm 121 is made of silicon rubber, and silicon rubber is soft, and doctor is when operating endoscopic catheters
Time movement is more compliant, and frictional resistance is smaller, while silicon rubber is very tough and tensile, the dynamic sealing that diaphragm 121 and catheter surface are formed
Structure, can be avoided diaphragm 121 and is stretched or rubbed and breakage occur；And silicon rubber diaphragm 121 is in entire use process
In, continuity can still be maintained in 121 surface of structural diaphragm of dynamic sealing, even if when cooperating with most fine duct, 121 table of diaphragm
It arches upward towards center is centripetal, narrow space, 121 surface of diaphragm not will form fold or folding line still, in entire use process
It is not in being continuously increased with strain, folding line slowly runs through 121 surface of diaphragm, self contact area of diaphragm 121 constantly increases
Greatly, the phenomenon that and its depth is gradually deepened, can effectively prevent seal failure.Preferably, the catheter block 120 and diaphragm
121 are integrally formed, and can guarantee that uniform 123 shape of filled chamber, diaphragm 121 and hole wall connection structure are equal using this structure
Even, form is uniform after filled chamber 123 is inflated, and it is uniform that pressure is born in each face, it is ensured that the product is inserted in inflated condition, endoscope
When guaranteeing the air-tightness of contact surface in the case where entering, and also assuring endoscope when in use with endoscope withdrawing and rotation
The pressure that 121 surface of air film piece can be born is consistent.It is avoided simultaneously using the overall structure of this catheter block 120 and diaphragm 121
The secondary operation of diaphragm 121, avoids the introducing of other production auxiliary materials, avoids the wind of auxiliary material secondary pollution when processing
Danger avoids human factor and other introducing processes from causing the influence to product quality, reduces the wave of artificial investment and the means of production
Take, improves the consistency of product, reduce crash rate；It is integrally formed it may also be ensured that material substance is identical, in physics and chemistry
Meet expected raw material in performance, does not have to consider that different materials exist in subsequent handling, such as when ethylene oxide sterilizing or irradiation sterilization
The Different Effects being subject in sterilization process, the product after guaranteeing integrally formed processing are consistent at the beginning of design.
123 side wall of filled chamber is equipped with the connecting hole 124 being in communication with the outside for chamber indoor liquid or gas, the connection
Hole 124 can connect the ventilation connecting tube 125 being in communication with the outside on the side wall in rigid duct 122, the connecting hole 124.It is described
Check valve 125a is set in ventilation connecting tube 125, and setting check valve can be convenient for giving filled chamber 123 filled media, Neng Gouji
When prevent filled media from flowing back, make in filled chamber 123 pressure more accurate and stablize.It can be set on the outer surface of the mask body
Multiple fixed columns are set, fastening straps can be connected in fixed column 400, fastening straps one end and the mask body 100 are fixed, pass through fastening straps
Mask body 100 is fixed on patients head, should not medical worker press mask body, can also be connected on the mask body 100 stifled
Head, the plug can block 120 centre bore of catheter block without endoscope treatment when, only be supplied by mask
Oxygen.
Preferably, rigid 122 centre bore of duct for three-level stepped hole and is respectively formed the first hole shoulder, the second hole shoulder,
The aperture of interstitial hole is minimum in the three-level stepped hole, and the upper edge of the diaphragm 121 is connected and fixed with the first hole shoulder, the diaphragm
121 lower edge is connected and fixed with the second hole shoulder, the upper edge of the diaphragm 121, it is lower connect along inner surface with the inner surface of interstitial hole,
The upper edge of the diaphragm 121, lower edge outer surface respectively be located in three-level stepped hole interstitial hole both ends step hole, three
Grade ladder internal surface of hole connects, and is able to maintain the face that 121 edge of diaphragm is connect with centre bore using this structure and increases, improves film
The bonding strength at 121 edge of piece.Certainly, the film thickness on diaphragm 121 along, lower edge can be greater than the average thickness of 1.3 times of diaphragms 121
Degree, can effectively enhance the bonding strength of diaphragm 121.
When carrying out endoscopic diagnosis and treatment using the above scheme, the opening's edge of the open end of the rigid face cover 100 is set
The soft lip ring 200 set, when in use, the soft lip ring 200 of inflation or filling liquid is bonded with the face of patient
For covering user's mouth and nose, the sealing of mask body 100 is formed.It can be in chamber as required by ventilation connecting tube 125
Filling gas or liquid are to meet pressure requirements.Gas is preferably passed through into chamber, gas compressibility is strong, and chamber is whole
With preferably elastic property, by entering to inject gas or liquid into chamber, seeped by observing and checing medium in chamber
Pressure changing in leakage or chamber can judge the defects of diaphragm 121 is with the presence or absence of microgroove and breakage, while can also judge
The connection structure of diaphragm 121 and centre bore whether there is crackle or breakage.Rigid interior wall area on diaphragm 121 between edge, lower edge
Domain and diaphragm 121 surround the chamber of a filling liquid or inflation, convey air in the space covered to diaphragm 121, using inside and outside
Draught head makes film finished product be in tensile state to keep required space curved surface, and there is certain rigidity and bear self weight and
The membrane structure form of external load.Using the present invention, it can be inflated, can be suitble to not according to the conduit diameter difference of endoscope
Same endoscope, while can adapt to catheter surface, it is bonded realization effectively sealing with catheter surface, can be selected using this structure
The endoscopic catheters for taking adaptation different pore size can carry out the frictional resistance of control 121 surface of diaphragm and conduit effectively with convenient
Carry out endoscopic procedure；Using the present invention, 121 surface of diaphragm, which surrounds transformable aperture, can be applied to children's endoscopy
It looks into, the mask for solving current clinical use can not be applied to the predicament of child.121 surface of diaphragm is formed with endoscopic catheters surface
Dynamic sealing, deformation occurs and movement, diaphragm 121 need carrier catheter to transport in use for 120 inner wall of catheter block when use
The dynamic and caused active force that rubs, prevents diaphragm 121 from crimping and falling off, and can be guaranteed after filling cavity inflation using this structure
Form is uniform, and each face receiving pressure is uniform, first ensures that the product guarantees to connect in the case where inflated condition, endoscope insertion
The air-tightness of contacting surface, and also assure endoscope when in use as 121 surface of diaphragm when endoscope withdrawing and rotation can be with
It is the pressure consistent and uniform of receiving, submissive.Using the present invention, intubation and ventilation can carry out simultaneously, can facilitate deagnostic test and control
It treats, efficiently solves the misgivings of sputum smear fiberobronchoscopy and anesthesia oxygen supply, while can also be applicable in other clinical type endoscopies
It looks into., can be poor to avoid the airtightness of traditional anaesthetic mask using foregoing invention, the defects of laborious is operated, diagnosis can be improved and control
The safety for the treatment of improves patient comfort,
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, it is clear that those skilled in the art
Various changes and modifications can be made to the invention by member without departing from the spirit and scope of the present invention.If in this way, of the invention
Within the scope of the claims of the present invention and its equivalent technology, then the present invention is also intended to encompass these to these modifications and variations
Including modification and variation.
Claims (10)
1. a kind of anaesthesia breathing mask, the mask body (100) including rigidity, it is characterised in that: the rigid face cover (100)
The opening's edge of open end is arranged the soft lip ring (200) for covering user's mouth and nose, the mask body (100) up to
Setting one supplies connecting tube (110) less, and catheter block (120) are arranged on the mask body (100), in the catheter block (120)
Heart hole is the rigid duct (122) for being connected to mask body (100) interior and exterior, and Zoned structure is arranged in the rigidity duct (122)
Soft diaphragm (121), the periphery closure of soft diaphragm (121) is fixed on the inner walls of rigid duct (122), the rigidity duct
(122) it is located at rigid interior wall region and diaphragm (121) on diaphragm (121) between edge, lower edge in and surrounds cricoid filled chamber
(123), the appearance of the diaphragm (121) arches upward towards centre bore center and forms the sealing matching hole (300) passed through for conduit,
Filled chamber (123) side wall is equipped with the connecting hole (124) being in communication with the outside for chamber indoor liquid or gas, the connecting hole
(124) ventilation connecting tube (125) being in communication with the outside is connected on.
2. anaesthesia breathing mask according to claim 1, it is characterised in that: the cross section of the diaphragm (121) includes the
One arcuate segment (121a), the second arcuate segment (121b), third arcuate segment (121c), the second arcuate segment both ends (121b) difference
It is smoothly connected the first arcuate segment (121a), third arcuate segment (121c), the free end of first arcuate segment (121a) and rigidity
Duct (122) inner wall is connected and fixed, the free end of second arcuate segment (121b) is connect admittedly with the inner wall of rigid duct (122)
Fixed, the neutral layer radius of first arcuate segment (121a) is R1, and the radius of the neutral line of the second arcuate segment (121b) is R2, institute
State the neutral line R3 of third arcuate segment (121c), wherein R1 is greater than R3, and R2 is much larger than R1.
3. anaesthesia breathing mask according to claim 1, it is characterised in that: setting is single in the ventilation connecting tube (125)
To valve.
4. anaesthesia breathing mask according to claim 1, it is characterised in that: the diaphragm (121) is by silicon rubber, poly- ammonia
The pure ester of ester, polytetrafluoroethylene (PTFE), polyethylene, polypropylene, polyvinyl fluoride, polymethacrylates, poly terephthalic acid, nylon or
Polycarbonate is made.
5. anaesthesia breathing mask according to claim 1, it is characterised in that: the catheter block (120) and diaphragm (121) one
It is body formed.
6. anaesthesia breathing mask according to claim 1, it is characterised in that: the soft lip ring (200) is to fill
Gas or liquid-filled cushion, the opening's edge of the open end of the side and rigid face cover (100) of the cushion, which is pasted, fixes.
7. anaesthesia breathing mask according to claim 1, it is characterised in that: rigidity duct (122) centre bore is three
Grade stepped hole is simultaneously respectively formed the first hole shoulder (122a), the second hole shoulder (122b), interstitial hole (122c) in the three-level stepped hole
Aperture it is minimum, upper edge and the first hole shoulder of the diaphragm (121) be connected and fixed, the lower edge of the diaphragm 121 and the second hole shoulder
Be connected and fixed, the upper edge of the diaphragm (121), it is lower connect along inner surface with the inner surface of interstitial hole, the diaphragm (121) it is upper
Along the outer surface of, lower edge respectively with the step hole (1221), the three-level stepped hole that are located at interstitial hole both ends in three-level stepped hole
(1222) inner surface connects.
8. anaesthesia breathing mask according to claim 1, it is characterised in that: be additionally provided with hole on the mask body (100)
Mouth (131), the aperture (131) pass through cylindrical buckle structure connecting conduit seat (120), and company is arranged in the catheter block (120) outside
It connects annular groove (126), the limit shaft shoulder of described connection annular groove (126) two sides respectively carries out the outboard sidewalls at aperture (131) both ends
Limit.
9. anaesthesia breathing mask according to claim 1, it is characterised in that: the diaphragm (121) with a thickness of 0.29mm
~0.4mm.
10. anaesthesia breathing mask according to claim 1, it is characterised in that: the cross section of the diaphragm (121) is in hyperbolic
Parabolic shape, horse-saddle or ridge paddy waveform shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910935926.2A CN110496288B (en) | 2019-09-29 | Anesthesia respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910935926.2A CN110496288B (en) | 2019-09-29 | Anesthesia respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110496288A true CN110496288A (en) | 2019-11-26 |
| CN110496288B CN110496288B (en) | 2024-04-19 |
Family
ID=
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Pixian 611730 Sichuan Province, Chengdu city Chengdu modern industrial area North Road No. 589 north of Hong Kong Applicant after: Sichuan Kehong Medical Equipment Co.,Ltd. Address before: Pixian 611730 Sichuan Province, Chengdu city Chengdu modern industrial area North Road No. 589 north of Hong Kong Applicant before: Chengdu Kefeida Medical Devices Co.,Ltd. |
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| CB03 | Change of inventor or designer information | ||
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Inventor after: Yang Mengchang Inventor after: Wei Xinchuan Inventor before: Yang Mengchang |
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