CN206198431U

CN206198431U - A kind of tracheal cannula fixing device

Info

Publication number: CN206198431U
Application number: CN201620722820.6U
Authority: CN
Inventors: 吕扬; 王子悦; 吕青
Original assignee: Tianjin Medical University Cancer Institute and Hospital
Current assignee: Tianjin Medical University Cancer Institute and Hospital
Priority date: 2016-07-09
Filing date: 2016-07-09
Publication date: 2017-05-31
Anticipated expiration: 2026-07-09

Abstract

The utility model discloses a kind of tracheal cannula fixing device; including outer fixation; bite-block; protection board; the protection board is the round-meshed round rectangle thin plate in middle part; the circular hole to round rectangle straight line be provided with supply cannula laterally across opening; the round rectangle thin plate is provided with the fixed structure for fixed disk band; the fixed structure is four fix bars of rectangular distribution; the fix bar is made up of lever bracket, bar waist and head, and the lever bracket is fixedly connected with round rectangle thin plate or is removably fixedly connected.The utility model simple structure, takes small volume, and it is convenient to change, can clearly observation panel intracavity lesion situation and trachea cannula depth, beneficial to wholistic therapy development.

Description

A kind of tracheal cannula fixing device

Technical field

The utility model is related to medical auxiliary apparatus technical field, to warp in more particularly to a kind of mechanical ventilation Device and the method with device fixation trachea cannula that orotracheal tube is fixed.

Background technology

In treatment clinical course, Artificial controlled mechanical ventilation is carried out, respiratory nursing during being treatment respiratory failure and anesthesia Important measures, mechanical ventilation plays an important roll in critical illness rescue, and trachea cannula abjection is more serious in mechanical ventilation One of complication, once trachea cannula occurs slipping, the injury again to patient can be caused, such as treatment in time, can cause Patients acuity anoxic, or even asphyxia, death, so keeping trachea cannula not moved in fixed position after trachea cannula success Position, coming off becomes particularly important, and the fixing means of traditional oral trachea cannula is roughly divided into following several：

1) medical proof fabric fixing means:After it is determined that intubation is successful, bite-block is inserted between the front tooth up and down of patient, use glue Cloth fixes trachea cannula with bite-block strapped side by side, and trachea cannula is finally fixed on the Face and cheek of patient with adhesive plaster.

2) Duropore immobilizations with adhesive tape method：Duropore is the adhesive plaster for being exclusively used in fixing trachea cannula, the adhesive plaster be cloth cover, There is silk quality sense, adhesion is strong, after trachea cannula is finished, intubation is moved into the side corners of the mouth, and the one end on the downside of adhesive plaster is carved along the corners of the mouth Intubation is fixed at degree, and along this scale clockwise or counterclockwise around fixation.

3) very little band fixation：Fixed again after can taking removal bite-block for conscious patient, trachea cannula is fixed on belt At front tooth scale, belt can one end it is slightly long, bypass patients head with one end slightly long, knotted with slightly shorter one end and be connected, fixation After good, it is put at the bicker of both sides with auxiliary material or pad of cotion and is protected by.

4) safety pin fixation：A kind of fixing means for tracheal cannula in infants, by safety pin long it is vertical with bicker from Conduit, through buckling, is then respectively adhered on safety pin and safety pin upper and lower ends by bicker outside with adhesive plaster.

However, traditional fixing means has many deficiencies, medical proof fabric fixing means is simple, convenient, economical but fixed Fastness is poor, and is easy to come off；Duropore immobilization with adhesive tape method material prices are more expensive, because adhesive plaster viscosity is big, should not be from the face Remove the marking；Very little band fixing means is to strengthen fixing on the basis of immobilization with adhesive tape mostly, is the good side for preventing immobilization with adhesive tape from coming off Method, but the method is only limitted to the patient of Clear consciousness, should not be used for restless, teeth clenched and the patient that can not coordinate；Not Pin fixation is only limitted to infant and uses.

With the development of medical technology, occur some new tracheal cannula fixers in the market, for example：Chen Jun China, Guo Qiaozhen, Xu Suoqin etc. exist《Nursing journal》13 (11) phases page 58-59 in 2006 in propose a kind of self-locking tracheae The cannula fixation self-locking tracheal cannula fixer, trachea cannula is passed through from fixator opening, and biteplate is put into trouble In person oral cavity, locking nut is tightened from side, anchor band is penetrated after 1 week around neck from fixator other end aperture, finally Velcro is buckled, the purpose of fixed trachea cannula is reached.For another example：Chinese patent：ZL201520645357.5, publication number： CN204910412U, discloses a kind of tracheal cannula fixer, including bite-block main body, and pipe clamp, pipe clamp are provided with bite-block main body Including the fixed seat being arranged in bite-block main body, sliding block is elasticly connected with by elastic component in fixed seat, is set in fixed seat Have and determine hole, movable span is provided with sliding block, determining hole and movable hole site through there is expansion screw, movable span lower wall surface or The upper wall surface for determining hole is provided with screw thread corresponding with expansion screw, and the purpose of fixed trachea cannula is reached by screw rod locking. Tracheal cannula fixer is used simply, firmly, but single unit system structure is more complicated, and material price is more expensive, and cost is higher； Fixator volume and deadweight are larger, still can operate visual difference to forming compressing around patient face mouth, are brought not to patient It is suitable, and and this structure easily cause patient and sting flat trachea cannula to cause trachea cannula to be ventilated not smooth, trachea cannula position is consolidated Nurse is not easy to after fixed to be carried out MC, suction sputum, changes the NPs such as position, is unfavorable for wholistic therapy.

The content of the invention

In sum, in order to further improve trachea cannula fixing means, increase the comfort level of patient, reduce complicated by postoperative Disease, reduces the probability of retrograde infection, and the present invention provides a kind of tracheal cannula fixing device and fixes gas with the device The method of cannula, can not only effectively protect trachea cannula it is not shifted, do not deviate from, moreover it is possible on the basis of fixation Need not recycle and trachea cannula is fixed outside elastic force adhesive plaster also will not reduce lip portion again to forming compressing around patient face mouth Ulceration and skin of face are damaged in position pressure sore, oral cavity, and simple structure, change convenient, take small volume, facilitate nurse to carry out The NPs such as MC, suction sputum, replacing position, reduce postoperative complications, the probability of retrograde infection are reduced, while can also increase Plus the comfort level of patient, carry out beneficial to wholistic therapy.

The present invention is achieved through the following technical solutions：

A kind of tracheal cannula fixing device, including outer fixation, bite-block, protection board, the outer fixation, bite-block, protection The middle part of plate be coaxial circular aperture, the coaxial circular aperture be outward extended with supply cannula laterally across opening, it is described outer solid The fixed occlusion mechanism being provided with for being engaged trachea cannula, the occlusion mechanism is three around the equally distributed occlusion of central shaft Fixing tooth, the bite-block inner side is provided with draw-in groove, and the protection board is provided with the fixed structure for fixed disk band, the fixed knot Structure is four fix bars of rectangular distribution, and the outer coaxial circular aperture being secured across on protection board is chimeric with bite-block, while institute State occlusion mechanism chimeric with draw-in groove.

For expansion,

The outer fixation is specifically included：Shape is hollow circular cylinder, and the hollow bulb of the outer fixation can accommodate trachea cannula Longitudinally through the outer fixed lower section is the occlusion mechanism for being engaged fixed trachea cannula, and the occlusion mechanism encloses for three Around the equally distributed occlusion fixing tooth of central shaft, for being engaged fixed trachea cannula.It is fixed with and cylindrical hollow outside described Partially communicating sagittal plane opening, opening angle is 80 °, and trachea cannula can be laterally across.

The bite-block is specifically included：Shape is that top is hollow circular cylinder, and bottom is hollow cone cylinder, hollow cone post External surface contacts oral cavity lingual surface, and the bite-block inner ring and draw-in groove be chimeric with outer fixation and occlusion mechanism, the bite-block be provided with The sagittal plane opening of hollow bulb connection, 80 ° of opening angle, trachea cannula can be laterally across, the bite-block be used for it is chimeric outer fixed, It is easy to dental articulation, protects trachea cannula, it is to avoid is pressurized.

The protection board is specifically included：Shape is the round-meshed round rectangle thin plate in middle part, and the circular hole is to fillet square Shape straight line be provided with supply cannula laterally across opening, the round rectangle thin plate is provided with the fixation for fixed disk band Structure, the fixed structure is four fix bars of rectangular distribution, and the fix bar is made up of lever bracket, bar waist and head, institute State lever bracket to be fixedly connected with round rectangle thin plate or be removably fixedly connected, the protection board is used to protect lip portion, external Trachea cannula fixed disk band.

Used as further optimization of the invention, the occlusion mechanism is three to be fixed around the equally distributed occlusion of central shaft Tooth, is provided with the roller of projection with the contact surface of trachea cannula in the occlusion fixing tooth, netted indenture is distributed with the roller.

Used as further optimization of the invention, the occlusion mechanism is the internal annulus for being embedded with roller, is provided with outside annulus The projection chimeric with the draw-in groove.

Further, in order to increase the frictional force of roller and trachea cannula, gather netted indenture on the roller.

Used as further optimization of the invention, the top of the outer fixation is provided with earrings, and the earrings is provided with concave panel, In order to rotate outer fixation.

Used as further optimization of the invention, the fixed structure is two bar holes, the bar hole and round rectangle The vertical and symmetrical both sides for being arranged on the circular hole of straight line.

Used as further optimization of the invention, the round rectangle thin plate is double-decker, and internal layer is structure sheaf, and outer layer is Cushion course, the internal layer is medical rigid plastics, and the outer layer is medical soft material.

As further optimization of the invention, the lever bracket and round rectangle thin plate be removably fixedly connected including：Spiral shell Line is connected and is bonded and connects.

Used as further optimization of the invention, the round rectangle thin plate is curved sheets structure, so as to user face Portion or lip agree with.

As further optimization of the invention, the groove for fixed and bite-block outside clamping is provided with the inside of the protection board Or boss, it is boss or groove to be correspondingly provided with the outer fixation and bite-block with protection board clamping.

A kind of method of fixed trachea cannula, including, there is provided a kind of device, including：Including outer fixation, bite-block, protection board, The fixation, bite-block, the middle part of protection board are coaxial circular hole, the circular hole be outward extended with supply cannula laterally across Opening, the outer fixation is provided with the occlusion mechanism for being engaged trachea cannula, and the bite-block inner side is provided with draw-in groove, the guarantor Backplate is provided with the fixed structure for fixed disk band, and the fixed structure is four fix bars of rectangular distribution, described outer The circular hole being secured across on protection board is chimeric with bite-block, while the occlusion mechanism is chimeric with draw-in groove；

Outer fixation, bite-block, protection board are assembled into a kind of tracheal cannula fixing device so that opening is consistent, will be solid Determine that device is oral to insert oral cavity immediately below trachea cannula, trachea cannula is embedded in by opening, fix 0 outside rotate counterclockwise~ 120 °, treat that the occlusion mechanism in outer fixation is chimeric with the draw-in groove on bite-block, trachea cannula is engaged in longitudinal direction then and is fixed, it is now outer It is fixed different from the sagittal plane opening direction of protection board, in laterally fixed trachea cannula.

Preferably, after 0~120 ° being fixed outside rotate counterclockwise, turn clockwise protection board, so as to allow tracheae to be fixed on out In the concentric circle holes that mouth is formed.Here, outer fixation can first be turned clockwise, then protection board rotate counterclockwise.Certainly, Can be that each opposite direction rotates simultaneously, so allow tracheae to be fixed in a device.When needing to remove tracheae, can be with According to mode reverse operating expressed above, outer fixation is allowed, bite-block, the opening of protection board is on same straight line, such that it is able to Remove tracheae.Tracheae and fixator for tracheal cannule is allowed to separate.

Preferably, the groove or boss for fixed and bite-block outside clamping are provided with the inside of the protection board, it is described outer solid It is boss or groove to be correspondingly provided with protection board clamping on fixed and bite-block.

Preferably, the fixed structure is two bar holes, the symmetrical both sides for being arranged on the circular hole of the bar hole.

Preferably, the protection board is double-decker, and internal layer is structure sheaf, and outer layer is cushion course, and the internal layer is medical Rigid plastics, the outer layer is medical soft material.

Preferably, the occlusion mechanism for three around the equally distributed occlusion fixing tooth of central shaft, fix by the occlusion The roller of projection is provided with tooth with the contact surface of trachea cannula, netted indenture is distributed with the roller.

Preferably, it is characterised in that the occlusion mechanism is the internal annulus for being embedded with roller, be provided with outside annulus with it is described The chimeric projection of draw-in groove, gather netted indenture on the roller.

Preferably, the protection board is curved sheets structure, to agree with user's face or lip.

A kind of method of fixed trachea cannula, including trachea cannula is fixed with a kind of tracheal cannula fixing device, It is specifically divided into following steps：

Step one, sets position：Patient takes dorsal position, removes and loosens tooth and artificial tooth, removes oral foreign body or secretion, Volume method is pushed away with lift chin, head is fully swung back by turning point of atlanto occipital joint, so that mouth, pharynx, larynx are in straight line (cervical vertebra injury Except person)；

Step 2, protects lip：Intersected with thumb and forefinger and push upper lower lip aside, protect lip tooth；

Step 3, laryngoscope is inserted：Along right side bicker vertically into oral cavity；Then tongue body is pushed to left side, laryngoscope moves to mouth In the median line of chamber, laryngoscope is slowly advanced, until epiglottis root is arrived at laryngoscope tip, above proposes laryngoscope exposure rima glottidis；

Step 4, the lower insertion trachea cannula of direct-view：Trachea cannula is directed at rima glottidis, along the Lens grooves of laryngoscope in photopic vision Lower feeding trachea cannula；Soft rotary guide pipe, makes it be smoothly through rima glottidis and enters tracheal strips；

Step 5, just successive step and fixed trachea cannula：After tentatively adjusting catheter depth, by outer fixation, bite-block, protection Plate is assembled into a kind of tracheal cannula fixing device so that opening is consistent, and fixing device is oral immediately below trachea cannula Insert oral cavity, trachea cannula be embedded in by opening, 0~120 ° is fixed outside rotate counterclockwise, treat occlusion mechanism in outer fixation with Draw-in groove on bite-block is fitted together to, and is then engaged trachea cannula in longitudinal direction and fixes, now the outer fixed sagittal plane opening court with protection board To difference, in laterally fixed trachea cannula；

Step 6, fixed trachea cannula：Trachea cannula depth is observed after tentatively fixing and laryngoscope is exited, trachea cannula is adjusted Trachea cannula fixed disk band is fixed on the fixed structure of protection board after depth to satisfaction.

The beneficial effects of the utility model performance is as follows：

During rescue oral trachea cannula patient, after intubation success, after fixing device is assembled into one, it is embedded in by opening Trachea cannula, it is outer fixed using rotation afterwards, the occlusion mechanism below outer fixation is mutually fixed with trachea cannula, substitute traditional bite-block Outer fixed form, obtains following beneficial effect compared with prior art：

1st, can not only effectively protect trachea cannula makes it not shift, does not deviate from, moreover it is possible to the nothing on the basis of fixation Need to recycle and trachea cannula is fixed outside elastic force adhesive plaster also will not reduce lip position again to forming compressing around patient face mouth Ulceration and skin of face are damaged in pressure sore, oral cavity.

2nd, using quadrangle component rule, making the tongue of patient cannot produce enough thrust, effectively reduce and tell pipe now The generation of elephant.

3rd, the design of cushion course and curved surface arc can greatly improve patient's local comfort degree, effectively reduce lip position pressure Ulceration and skin of face are damaged in sore, oral cavity.

4th, the occlusion mechanism is designed as inside and is embedded with roller structure, and roller also can be partly protruded to reduce annular diameters, Abjection can be prevented with stronger fixed trachea cannula while increasing frictional force.

5th, simple structure of the present invention, takes small volume, and it is convenient to change, can clearly observation panel intracavity lesion situation and tracheae Catheter depth, carries out beneficial to wholistic therapy.

6th, trachea cannula fixing means of the present invention, easy to be easy-to-use, greatly reducing will to the specialty of medical personnel Ask, so as to save very big human cost, and increased the comfort level of patient, reduce postoperative complications, reduce sense of driving in the wrong direction The probability of dye.

Brief description of the drawings

Accompanying drawing 1 is the outer fixed structural representation of the present invention；

Accompanying drawing 2 is the structural representation of protection board of the present invention；

Accompanying drawing 3 is the structural representation of bite-block of the present invention；

Accompanying drawing 4 is fixing device assembly structure diagram of the present invention；

Wherein：Outer to fix 1, bite-block 2, protection board 3, circular hole 4, opening 5, occlusion mechanism 6 is engaged fixing tooth 601, draw-in groove 7, Fixed structure 8, fix bar 801, lever bracket 802, bar waist 803, head 804, round rectangle thin plate 9, earrings 10

Specific embodiment

To enable above-mentioned purpose, the feature and advantage of the application more obvious understandable, 1,2,3,4 and below in conjunction with the accompanying drawings Specific embodiment is described in further detail to the application.

As shown in figure 1, a kind of tracheal cannula fixing device, it is described it is outer fix 1 for shape is hollow circular cylinder, it is described It is outer fix 1 hollow bulb can accommodate trachea cannula longitudinally through and be outward extended with supply cannula laterally across opening 5, institute State outer 1 top fixed and be provided with earrings 10, the earrings 10 is provided with concave panel, it is described outer to fix 1 in order to rotate outer fixation Lower section is the occlusion mechanism 6 for being engaged fixed trachea cannula, and the occlusion mechanism 6 is three equally distributed around central shaft Occlusion fixing tooth 601, for being engaged fixed trachea cannula, it is described it is outer fix on 1 supply cannula laterally across opening be circle The sagittal plane opening of cylinder hollow space connection, the angle of opening 5 is 80 °, and trachea cannula can be laterally across.

When the occlusion mechanism 6 is three occlusion fixing tooths 601 equally distributed around central shaft, the occlusion fixing tooth The roller of projection is provided with 601 with the contact surface of trachea cannula, netted indenture is distributed with the roller.(not shown)

The occlusion mechanism 6 could be arranged to the internal annulus for being embedded with roller, be provided with chimeric with the draw-in groove 7 outside annulus Projection.(not shown)

As shown in Fig. 2 a kind of tracheal cannula fixing device, the protection board 3 is middle part (i.e. circular with circular hole 4 Through hole) round rectangle thin plate 9, the circular hole 4 to the straight line of round rectangle thin plate 9 be provided with supply cannula laterally across Opening 5, the round rectangle thin plate 9 is provided with the fixed structure 8 for fixed disk band, and it is in square that the fixed structure 8 is four The fix bar 801 of shape distribution, optimal distribution is that four fix bars 801 are corresponded with four angles of round rectangle thin plate 9, this The stress of sample protection board 3 is more rationally uniform, and the fix bar 801 is force rod by 804 groups of lever bracket 802, bar waist 803 and head Into lever bracket 802 reinforces root connection, and head 804 prevents dribbling from coming off, and preferably lever bracket 802, bar waist 803 and head 804 are The big solid in integrally formed small two in centre, three is to be coaxially disposed or not in same axle center, to facilitate fixed disk band It is advisable.

The lever bracket 802 is fixedly connected with round rectangle thin plate 9, or fix bar 801 and the one of round rectangle thin plate 9 into Type, or fix bar 801 is removably fixedly connected by lever bracket 802 with round rectangle thin plate 9, mentioned here dismountable Be fixedly connected including but not limited to be threadedly coupled, be bonded connect, pin connection, buckle connect.

The round rectangle thin plate 9 is double-decker, and internal layer is structure sheaf, and outer layer is cushion course, and the internal layer is medical Rigid plastics, the outer layer is medical soft material.(not shown)

In order to further reduce the pressure sore of lip position, the round rectangle thin plate 9 is set to curved sheets structure, so as to User's face or lip agree with.(not shown)

Cost-effective in order to simplify structure, the fixed structure 8 is designed as two bar holes, the bar hole and fillet The vertical and symmetrical both sides (not shown) for being arranged on the circular hole of rectangle straight line.

As shown in figure 3, a kind of tracheal cannula fixing device, the top of the bite-block 2 is hollow circular cylinder, during bottom is Empty conical cylinder, hollow cone cartridge outer surface contact oral cavity lingual surface, the inner ring and draw-in groove 7 of the bite-block 2 with it is outer fix 1 and its Occlusion mechanism 6 is fitted together to, and the bite-block 2 is provided with the sagittal plane opening connected with hollow bulb, and 80 ° of opening angle, trachea cannula can be horizontal To passing through, the bite-block 2 be used for it is chimeric it is outer fix 1, be easy to dental articulation, protect trachea cannula, it is to avoid be pressurized.

As shown in figure 4, a kind of tracheal cannula fixing device, including it is outer fix 1, bite-block 2, protection board 3 is described outer solid Fixed 1, bite-block 2, the middle part of protection board 3 is coaxial circular hole 4, the circular hole 4 be outward extended with supply cannula laterally across Opening 5, it is described it is outer fix 1 and be provided with occlusion mechanism 6 for being engaged trachea cannula, the occlusion mechanism 6 be three around The equally distributed occlusion fixing tooth 601 of central shaft, the inner side of the bite-block 2 is provided with draw-in groove 7, and the protection board 3 is provided with for solid The fixed structure 8 of price fixing band, the fixed structure 8 is the fix bars 801 of four rectangular distributions, described outer to fix 1 through protecting Circular hole 4 on backplate 3 is chimeric with bite-block 2, while the occlusion mechanism 6 is chimeric with draw-in groove 7.

For expansion,

It is described outer to fix 1 and specifically include：Shape is hollow circular cylinder, it is described it is outer fix 1 hollow bulb can accommodate tracheae insert Pipe is longitudinally through outer 1 lower section of fixing is the occlusion mechanism 6 for being engaged fixed trachea cannula, and the occlusion mechanism 6 is three It is individual around central shaft it is equally distributed occlusion fixing tooth 601, for being engaged fixed trachea cannula.It is described outer to fix 1 and be provided with and circle The sagittal plane opening of cylinder hollow space connection, opening angle is 80 °, and trachea cannula can be laterally across.

Described outer fixation includes that top is big, the small structure in bottom, so forms one in the junction of upper and lower part Neck, the diameter of the through hole of such protection board less than fixed part top diameter, so when assembling, protection board and outer solid Surely it is connected together, formation can mutually rotate but can be fixed structure (Fig. 1, Fig. 4).

The bite-block 2 is specifically included：Shape is that top is hollow circular cylinder, and bottom is hollow cone cylinder, hollow cone Cartridge outer surface contacts oral cavity lingual surface, and the inner ring and draw-in groove 7 of the bite-block 2 fix 1 lower end and occlusion mechanism 6 is chimeric, institute with outer State bite-block 2 and be provided with the sagittal plane opening connected with hollow bulb, 80 ° of opening angle, trachea cannula can be laterally across the bite-block 2 1 is fixed outside for being fitted together to, is easy to dental articulation, protect trachea cannula, it is to avoid be pressurized.

The protection board 3 is specifically included：Shape is the round-meshed round rectangle thin plate 9 in middle part, and the circular hole 4 is to fillet The straight line of rectangular thin plate 9 be provided with supply cannula laterally across opening 5, the round rectangle thin plate 9 is provided with for solid The fixed structure 8 of price fixing band, the fixed structure 8 is four fix bars 801 of rectangular distribution, and the fix bar 801 is by bar Support 802, bar waist 803 and head 804 are constituted, and the lever bracket 802 is fixedly connected with round rectangle thin plate 9 or removably fixation connects Connect, the protection board 3 is used to protect lip portion, external trachea cannula fixed disk band.

The inner side of the protection board 3 is provided with groove or boss for fixing 1 and bite-block 2 outside clamping, described outer to fix 1 He The boss or groove with the clamping of protection board 3 are correspondingly provided with bite-block 2.(not shown)

The method of a kind of fixed trachea cannula that the present invention is provided, including consolidate with a kind of tracheal cannula fixing device Determine trachea cannula, be specifically divided into following steps：

Step one, sets position：Patient takes dorsal position, removes and loosens tooth and artificial tooth, removes oral foreign body or secretion, Volume method is pushed away with lift chin, head is fully swung back by turning point of atlanto occipital joint, so that mouth, pharynx, larynx are in straight line (cervical vertebra injury Except person).

Step 2, protects lip：Intersected with thumb and forefinger and push upper lower lip aside, protect lip tooth.

Step 3, laryngoscope is inserted：Along right side bicker vertically into oral cavity；Then tongue body is pushed to left side, laryngoscope moves to mouth In the median line of chamber, laryngoscope is slowly advanced, until epiglottis root is arrived at laryngoscope tip, above proposes laryngoscope exposure rima glottidis.

Step 4, the lower insertion trachea cannula of direct-view：Trachea cannula is directed at rima glottidis, along the Lens grooves of laryngoscope in photopic vision Lower feeding trachea cannula；Soft rotary guide pipe, makes it be smoothly through rima glottidis and enters tracheal strips.

Step 5, just successive step and fixed trachea cannula：After tentatively adjusting catheter depth, 1 is fixed by outer, bite-block 2 is protected Backplate 3 is assembled into a kind of tracheal cannula fixing device so that opening is consistent, by fixing device it is oral in trachea cannula just under Oral cavity is inserted by side, and trachea cannula is embedded in by opening 5, and 0~120 ° is fixed outside rotate counterclockwise, treats the outer holding-on machine fixed on 1 Structure 6 is chimeric with the draw-in groove 7 on bite-block 2, is then engaged trachea cannula in longitudinal direction and fixes, now the outer sagittal for fixing 1 and protection board 3 Trachea cannula is fixed in face opening towards different in transverse direction.

Step 6, fixed trachea cannula：Trachea cannula depth is observed after tentatively fixing and laryngoscope is exited, trachea cannula is adjusted Trachea cannula fixed disk band is fixed on the fixed structure 8 of protection board 3 after depth to satisfaction.

The present invention is further illustrated by taking the man that is grown up as an example, during giving emergency treatment to a patient, adult man tracheae is inserted Pipe standards are 7.5mm trachea cannulas, and external diameter is 9.5mm, and the present invention fixes 1, bite-block 2, protection board 3 including outer；Wherein, it is described outer 1 is fixed, matched hollow circular cylinder size is height 25mm, outer annular diameter 25mm, annular diameters 14mm, can accommodate gas Cannula passes through, and outer 1 lower section of fixing is three trachea cannula occlusion fixing tooths 601, and length is 10mm, and width is 2.9mm, is used for Fixed trachea cannula, sagittal plane opening 9mm, 80 ° of opening angle, trachea cannula can be laterally across.The bite-block 2, therewith phase The height matched somebody with somebody be 28mm, cylinder external diameter be 25mm, inner ring with it is outer fix 1 and its occlusion mechanism 6 it is chimeric, lower section conical cylinder contact Oral cavity lingual surface, sagittal plane opening 9mm, 80 ° of opening angle, trachea cannula can be laterally across.The protection board 3 is matched Size is length 50mm, width 34mm, the round rectangle thin plate 9 of thickness 1.9mm, and centre is diameter 20mm circular holes 4, opening 5 Width is 9mm, consistent with 7.5mm trachea cannulas external diameter (9.5mm), and trachea cannula can be laterally across, for protecting lip portion, External trachea cannula fixed disk band.

Success oral trachea cannula after, by protection board 3 with it is outer fix 1 and bite-block 2 assemble, assembling finish after through mouth in tracheae Oral cavity is inserted immediately below intubation, at this moment protection board 3, bite-block 2, it is outer fix 1 sagittal plane opening it is consistent, will be fixed by opening 5 Device is embedded in trachea cannula, and 0~120 ° is fixed outside rotate counterclockwise, treats the card on the outer occlusion mechanism 6 fixed on 1 and bite-block 2 Groove 7 is fitted together to, and is then engaged trachea cannula in longitudinal direction and fixes, now outer to fix 1 different with the sagittal plane opening direction of protection board 3, In laterally fixed trachea cannula.

If nursing staff carries out oral care practices, oral cavity can be exposed to greatest extent and blocked without fixing device.

If fixing device need to be changed, 1 rotate counterclockwise certain angle first can be fixed by outer, make the whiz bite-block of occlusion mechanism 6 Draw-in groove 7, and make protection board 3, bite-block 2, it is outer that to fix 1 sagittal plane opening consistent, you can make the laterally moved out fixing device of trachea cannula, And then change fixing device.

Finally illustrate, above specific embodiment is only used to illustrate the technical solution of the utility model and unrestricted, Although being described in detail to the utility model by above-mentioned specific embodiment, those skilled in the art should Understand, various changes can be made to it in the form and details, without departing from the utility model claims Limited range.

Claims

1. a kind of tracheal cannula fixing device, including outer fixation, bite-block, protection board, it is characterised in that the protection board is The round-meshed round rectangle thin plate in middle part, the circular hole to round rectangle straight line be provided with supply cannula laterally across open Mouthful, the round rectangle thin plate is provided with the fixed structure for fixed disk band, and the fixed structure is four rectangular distributions Fix bar, the fix bar is made up of lever bracket, bar waist and head, and the lever bracket is fixedly connected or removable with round rectangle thin plate That unloads is fixedly connected.

2. a kind of tracheal cannula fixing device according to claim 1, it is characterised in that the lever bracket and fillet square Shape thin plate removably be fixedly connected including：It is threadedly coupled and is bonded and connects.

3. a kind of tracheal cannula fixing device according to claim 1, it is characterised in that the fixed structure is two Individual bar hole, the bar hole both sides for being arranged on the circular hole vertical with round rectangle straight line and symmetrical.

4. a kind of tracheal cannula fixing device according to claim 1 or 2 or 3, it is characterised in that the fillet square Shape thin plate is double-decker, and internal layer is structure sheaf, and outer layer is cushion course, and the internal layer is medical rigid plastics, and the outer layer is Medical soft material.

5. a kind of tracheal cannula fixing device according to claim 1 or 2 or 3, it is characterised in that the fillet square Shape thin plate is curved sheets structure, to agree with user's face or lip.

6. a kind of tracheal cannula fixing device according to claim 4, it is characterised in that the round rectangle thin plate It is curved sheets structure, to agree with user's face or lip.