CN217828571U

CN217828571U - Trachea cannula protection device and trachea cannula

Info

Publication number: CN217828571U
Application number: CN202123325819.XU
Authority: CN
Inventors: 余剑
Original assignee: Hangzhou Chuanfangzhi Medical Instrument Co ltd
Current assignee: Hangzhou Chuanfangzhi Medical Instrument Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-11-18
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to a trachea cannula protection device and a trachea cannula, which comprises a protection layer and a fixed component, wherein the protection layer and the fixed component are sleeved outside a tube body; the fastening mechanism is used for positioning the movable end of the protective layer on the pipe body; the trachea cannula is matched with a protective layer and a fixing component for use, the movable end of the protective layer is arranged at one end of the trachea cannula, and the fixed end of the protective layer is arranged at the other end of the trachea cannula; when in use, the fixing component can properly pre-tighten and fix the tracheal cannula under the condition of ensuring that the tracheal cannula does not extrude or influence the normal work of the tracheal cannula; after the tracheal cannula is used, medical staff can enable the tracheal cannula to be always in the protective layer in the process of pulling out the tracheal cannula, the operation intensity of the medical staff is reduced, and the risk of infection during the tracheal cannula pulling is reduced.

Description

Trachea cannula protection device and trachea cannula

Technical Field

The utility model relates to the field of medical equipment, especially relate to a trachea cannula protection device and trachea cannula.

Background

The trachea cannula establishes an artificial respiratory tract, ensures the smoothness of the respiratory tract and achieves the respiratory balance (the requirement of organism oxygen) _CO2 Excretion balance of) ofImportant measures are essential basic technologies of modern anesthesiology and modern emergency medicine, are key technologies of ventilation support and respiratory therapy, and play a key role in rescue and treatment of critically ill patients and cardiopulmonary resuscitation; the tracheal cannula is mainly inserted into the trachea of a human body through the oral cavity or the nasal cavity of a patient and is used as a ventilation pipeline during anesthesia and oxygen therapy; the patient is connected with an external filter, a heat-moisture exchanger, a breathing pipeline and an anesthesia respirator through the device to form a complete respiratory system for maintaining the patient; with the development of medical services, the health of medical care personnel is more and more emphasized, and if new crown diseases are abused, doctors need to draw tubes out of patients (after tracheal intubation is used, the medical care personnel are drawn out of the oral cavity or the nasal cavity of the patients), so that the risk of infection exists.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming the defect that trachea cannula among the prior art can not fine avoid infecting after using to a trachea cannula protection device and trachea cannula are provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a trachea cannula protection device comprises a protection layer and a fixing component, wherein the protection layer is sleeved outside a tube body and comprises a fixed end and a movable end, the fixing component comprises a locking piece and a fastening mechanism, and the locking piece is used for fixing the fixed end of the protection layer on the tube body; the fastening mechanism is used for positioning the movable end of the protective layer on the pipe body.

Preferably, the fastening mechanism comprises a snap assembly: the buckle assembly comprises a buckle, a sliding piece and a first lubricating gasket;

the buckle is arranged in a hollow manner and comprises a first side plate and a second side plate which are arranged oppositely, an insertion groove is formed between the first side plate and the second side plate, opposite first through holes are respectively formed in the first side plate and the second side plate, and the first through holes are communicated with the insertion groove;

the sliding piece comprises an installation part and an outer frame, the installation part is positioned on the inner side of the outer frame, a moving groove is formed between the installation part and the outer frame, one side of the insertion groove, facing the installation part, is provided with an insertion port, the insertion groove of the buckle is inserted into the installation part, and two sides of the buckle are positioned in the moving groove; the middle part of the mounting part is provided with a mounting groove;

the first lubricating gasket is provided with a second through hole corresponding to the first through hole, and at least part of the first lubricating gasket is embedded in the mounting groove;

based on the inserting state of the buckle and the sliding piece, the first through hole is communicated with the second through hole in an aligning mode and used for positioning the tracheal cannula.

Preferably, the buckle further comprises a first extending portion, a second extending portion and at least two pressing portions, the first extending portion is arranged on the first side plate, the second extending portion is arranged on the second side plate, third through holes are formed in the first extending portion and the second extending portion, and the third through holes are communicated with the first through holes; the pressing parts are respectively arranged at one ends of the first side plate and the second side plate, which are far away from the inserting port, and are symmetrically arranged;

based on the buckle with the grafting state of slider, the third through-hole with the second through-hole is in alignment intercommunication for fix a position trachea cannula.

Preferably, still including solid fixed ring, the second extension still is equipped with the bellying, the activity pot head of protective layer is established on the second extension, and pass through gu fixed ring with second extension fastening connection, gu fixed ring passes through the bellying with the second extension joint is fixed.

Preferably, the fastening mechanism comprises a bite block structure comprising: the bite-block main part, the bite-block main part has the pilot hole, the bite-block main part includes a plurality of second lubricated gaskets, second lubricated gasket fixed set up in the pilot hole, and be located on the lateral wall of pilot hole.

Preferably, the bite block main body further comprises a front end part and a pre-tightening part, the assembling hole penetrates through the front end part and the pre-tightening part, and the second lubricating gasket is arranged on the inner side wall of the through hole corresponding to the pre-tightening part; the pre-tightening part is provided with a plurality of pre-tightening ports along the axis direction, and the pre-tightening ports are circumferentially arranged on the pre-tightening part at intervals.

Preferably, the bite block structure further comprises a fastener, and the fastener is sleeved on the pre-tightening part to fix the assembling hole and the aperture of the corresponding part of the pre-tightening part.

Preferably, the fastener has a tapered hole, and the end with the larger diameter is arranged towards the front end part, and the end with the smaller diameter is arranged towards the pre-tightening part.

Preferably, the bite-block main part still is equipped with two at least fixed ears, be equipped with the fixed orifices on the fixed ear, fixed ear symmetry sets up, just fixed ear encircle in on the bite-block main part surface, fixed ear will the bite-block main part divide into the front end portion with pretension portion.

A trachea cannula comprises a tube body, an inflation assembly, a cuff, a connector and a trachea cannula protection device, wherein the trachea cannula protection device is sleeved on the tube body, the connector is arranged at one end of the tube body and connected with the trachea cannula protection device, the inflation assembly is arranged close to the connector, and the cuff is connected to the other end of the tube body and is arranged far away from the connector; the tracheal cannula protection device is the tracheal cannula protection device in any one of the above modes; trachea cannula protection device establish including the cover the outer protective layer of body with fixed subassembly, the stiff end of protective layer with locking piece connection location on the body, the expansion end of protective layer with fastening device fastening connection.

Compared with the prior art, the beneficial effects of the utility model reside in that:

according to the tracheal intubation protection device and the tracheal intubation provided by the technical scheme, the tracheal intubation is matched with a protective layer and a fixing component for use, the movable end of the protective layer is arranged at one end of the tracheal intubation, and the fixed end of the protective layer is arranged at the other end of the tracheal intubation; when in use, the fixing component can properly pre-tighten and fix the tracheal cannula under the condition of ensuring that the normal work of the tracheal cannula is not extruded or influenced; after the tracheal cannula is used, medical staff can enable the tracheal cannula to be always in the protective layer in the process of pulling out the tracheal cannula, the operation intensity of the medical staff is reduced, and the risk of infection during the tracheal cannula pulling is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an exploded view of a fastening mechanism according to a first embodiment of the present invention.

Fig. 2 is a schematic structural view of a sliding member provided in the first embodiment shown in fig. 1.

Fig. 3 is a schematic view of a snap structure provided in the first embodiment shown in fig. 1.

Fig. 4 is a cross-sectional view of the snap structure provided in the first embodiment shown in fig. 3.

Fig. 5 is an exploded view of another fastening mechanism provided in a second embodiment of the present invention.

Fig. 6 is an assembly schematic view of the trachea protection device and the trachea provided in the first embodiment of the present invention.

Fig. 7 is an assembly view of another air tube protection device and an air tube according to a second embodiment of the present invention.

Description of reference numerals:

10. buckling; 11. a first through hole; 12. a first side plate; 13. a second side plate; 14. an interface; 15. a pressing part; 16. a first extension portion; 17. a second extension portion; 18. a boss portion; 19. a third through hole; 101. inserting grooves;

20. a first lubrication pad; 21. a second through hole;

30. a slider; 31. mounting grooves; 32. an installation part; 33. an outer frame; 34. a moving groove;

40. a tube body; 41. an inflation assembly; 42. a joint; 43. a cuff; 44. a fixing ring; 45. a protective layer; 46. a locking member;

50. a bite block main body; 51. a front end portion; 52. a pre-tightening part; 54. pre-tightening the opening; 55. a fixing hole; 56. a second lubrication pad; 57. fixing the ear; 58. an assembly hole;

60. a fastener; 61. and (4) a tapered hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, an embodiment of the present invention provides a tracheal intubation protection device, which includes a protection layer 45 and a fixing component, wherein the protection layer 45 is configured to be sleeved on an outer side of a tube body 40, and includes a fixed end and a movable end; specifically, the fixing assembly further includes a locking member 46 and a fastening mechanism, the locking member 46 is used for fixing the fixed end of the protective layer 45 to the pipe body 40; the fastening assembly is used to position the free end of the protective layer 45 on the tube body 40.

When the fixed end and the movable end of the protective layer 45 are respectively fixed on the tube body 40, the fixing component can pre-tighten and fix the tube body 40 under the condition of ensuring that the normal work of the tracheal intubation is not extruded or influenced in the use process, so that the tracheal intubation is prevented from being loosened in position in the use process and potential safety hazards are prevented; after the trachea cannula is used, medical staff pull out the trachea cannula towards the direction of external medical equipment in the process of trachea cannula pulling, and meanwhile, the trachea cannula is propped against the fastening mechanism by hands, so that the tube body 40 is always positioned in the protective layer 45 after being pulled out from the trachea of a patient; on the one hand, the operation intensity of medical staff is reduced, and on the other hand, the risk of infection during the tube drawing is reduced.

Specifically, fastening device is a snap assembly, wherein the snap assembly comprises: the fastener 10, the sliding part 30 and the first lubricating gasket 20; the buckle 10 is used for being inserted into the sliding piece 30; the first lubricating gasket 20 is at least partially embedded on the sliding member 30 for lubricating the endotracheal tube, and when the buckle 10 is plugged into the sliding member 30, friction generated by the contact of the part of the buckle 10 and the first lubricating gasket 20 is used for the buckle assembly and the endotracheal tube.

Specifically, the buckle 10 is arranged in a hollow manner, the buckle 10 further comprises a first side plate 12 and a second side plate 13 which are arranged oppositely, an insertion groove 101 is arranged between the first side plate 12 and the second side plate 13, the first side plate 12 and the second side plate 13 are respectively provided with a first through hole 11 which are opposite, and the insertion groove 101 is communicated with the first through hole 11; as shown in fig. 2; the slider 30 includes a mounting portion 32 and an outer frame 33, the mounting portion 32 is located inside the outer frame 33, and the mounting portion 32 and the outer frame 33 form a moving slot 34; meanwhile, one side of the insertion groove 101 facing the mounting part 32 is provided with an insertion port 14, the insertion groove 101 of the buckle 10 is inserted into the mounting part 32 through the insertion port 14, and two sides of the buckle 10 are positioned in the moving groove 34; the middle part of the mounting part 32 is also provided with a mounting groove 31; the first lubricating gasket 20 is provided with a second through hole 21 corresponding to the first through hole 11, and at least part of the first lubricating gasket 20 is embedded in the mounting groove 31.

It should be noted that, based on the snap 10 and the sliding member 30 being in the plugging state, the first through hole 11 and the second through hole 21 are aligned and communicated; specifically, when the endotracheal tube passes through the buckle assembly, the sliding member 30 cooperates with the buckle 10, and the first through hole 11 and the second through hole 21 are adjusted, aligned, communicated and positioned with the trachea by self-sliding the buckle 10 in the moving groove 34.

Specifically, the first lubricating gasket 20 is at least partially embedded in the mounting groove 31 of the sliding member 30, the insertion groove 101 of the buckle 10 is inserted into the mounting portion 32 of the sliding member 30 through the insertion port 14, so that the buckle 10 can freely slide in the moving groove 34, the second through hole 21 formed in the first lubricating gasket 20 is aligned and communicated with the first through hole 11 formed in the buckle 10 based on the condition that the buckle 10 is inserted into the sliding member 30, and the first lubricating gasket 20 is partially contacted with the inner surface of the buckle 10, at this time, friction generated by contact causes the buckle 10 and the first lubricating gasket 20 to be pre-tightened, so that the buckle 10 is pre-tightened with the sliding member 30; when the buckle 10 is installed in a manner that the tracheal intubation is matched with the buckle assembly, the tracheal intubation penetrates through the first through hole 11 formed in the first side plate 12, passes through the second through hole 21 formed in the first lubricating gasket 20 and penetrates out of the first through hole 11 formed in the second side plate 13, and the buckle 10 and the sliding piece 30 are subjected to sliding pre-tightening, so that the tracheal intubation is fixed; under the condition of ensuring that no extrusion or influence on the normal work of the tracheal cannula is caused, the tracheal cannula is fixed by proper pre-tightening.

Specifically, first lubricated gasket 20 can select soft materials such as silica gel gasket, and in this embodiment, the preferred is the silica gel gasket that contains lidocaine paraffin oil emollient, when using, through the back and forth slip of bite-block structure and trachea cannula for the emollient on first lubricated gasket 20 attaches on trachea cannula, has reduced the damage of trachea cannula to patient's trachea inner wall mucous membrane to a certain extent.

Specifically, the buckle 10 further has a first extending portion 16 and a second extending portion 17, the first extending portion 16 is disposed on the first side plate 12, the second extending portion 17 is disposed on the second side plate 13, wherein the first extending portion 16 and the second extending portion 17 are both provided with a third through hole 19, and the third through hole 19 is communicated with the first through hole 11; specifically, the first extension part 16 is used for being occluded and fixed by a patient when in use, and the second extension part 17 is used for externally connecting other equipment; in this embodiment, the preferred device is an endotracheal tube.

In addition, when the sliding member 30 of the buckle 10 is in the plugging state, the third through hole 19 is aligned and communicated with the second through hole 21, and specifically, when the endotracheal tube passes through the buckle assembly, the sliding member 30 will cooperate with the buckle 10 to adjust the third through hole 19 to be aligned and communicated with the second through hole 21 for positioning the trachea.

Specifically, the buckle 10 at least includes two pressing portions 15, the pressing portions 15 are respectively disposed at the other ends of the first side plate 12 and the second side plate 13 far away from the socket 14, and the pressing portions 15 are symmetrically disposed; in the using process, medical personnel can directly apply pressure to the pressing part 15 by hands to pre-tighten and fix the tracheal cannula.

Specifically, the tracheal intubation protecting device further comprises a fixing ring 44, and a protruding portion 18 is further arranged on the second extending portion 17, wherein the movable end of the protecting layer 45 is sleeved on the second extending portion 17, and the protruding portion 18 is completely sleeved, and the fixing ring 44 is matched with the protruding portion 18 to clamp and fix the movable end of the protecting layer 45 and the second extending portion 17; preferably, the fixing ring 44 may be made of metal or rubber with elastic strength.

In a second embodiment as shown in fig. 5, the fastening mechanism is a bite block structure, wherein the bite block structure includes a bite block main body 50, the bite block main body 50 has a fitting hole 58, the bite block main body 50 includes a plurality of second lubricating gaskets 56, the second lubricating gaskets 56 are fixedly disposed in the fitting hole 58 and located on the inner side wall of the fitting hole 58; specifically, when the bite-block structure used with trachea cannula cooperation, the bite-block structure made a round trip to slide on trachea cannula for emollient on second lubricating pad 56 attached to trachea cannula, so that trachea cannula plays the lubrication action when getting into patient's trachea, thereby reduces the damage of trachea cannula to the inside mucous membrane of patient's trachea.

Specifically, the bite block structure further comprises a front end part 51 and a pre-tightening part 52, a mounting hole 58 penetrates through the front end part 51 and the pre-tightening part 52, and meanwhile, a second lubricating gasket 56 is arranged on the inner side wall corresponding to the mounting hole 58 and the pre-tightening part 52; the front end 51 is used for externally connecting other devices, preferably an endotracheal tube in the present embodiment; the pretensioning portion 52 is used for holding a patient in a bite during use; meanwhile, the front end part 51 and the pre-tightening part 52 are integrally formed, so that the bite block main body 50 is convenient to produce and manufacture.

Furthermore, in some embodiments, the front end 51 is adapted for snap-fit securement to the patient during use, while the pre-tensioning portion 52 is adapted to circumscribe other devices, and preferably other devices are endotracheal tubes.

Specifically, the pre-tightening part 52 is further provided with a plurality of pre-tightening ports 54 along the axial direction, and it is noted that the pre-tightening ports 54 are circumferentially arranged on the pre-tightening part 52 at intervals, and the size of the caliber of the assembling hole 58 can be properly adjusted by the pre-tightening ports 54, so that the tracheal intubation can be adapted conveniently, and the installation is convenient; and the circumferential spacing saves manufacturing material.

Specifically, the bite block structure further includes a fastening member 60, wherein the fastening member 60 is sleeved on the pre-tightening portion 52, so that the apertures of the corresponding portions of the assembling hole 58 and the pre-tightening portion 52 are fixed, and the fastening member 60 can fix the aperture of the assembling hole 58 to prevent the aperture of the assembling hole 58 from being deformed.

Specifically, the fastening member 60 has a tapered hole 61, wherein a larger-diameter end of the tapered hole 61 is disposed toward the front end portion 51, and a smaller-diameter end is disposed toward the pretightening part 52; when the fastener 60 is fastened towards the front end part 51, the pre-tightening port 54 on the pre-tightening part 52 can be slowly contracted in the fastening process of the fastener 60, and when the contracted caliber of the pre-tightening port 54 is matched with the outer surface of the endotracheal tube, the trachea cannula can be fixed by moderate pre-tightening under the condition of ensuring that the trachea cannula does not extrude or influence the normal operation.

In addition, the fastener 60 is matched with the pre-tightening part 52, so that the size of the pre-tightening port 54 can be freely adjusted, and the device can be suitable for cannulas with different tube diameters in the use process.

Specifically, at least two fixing lugs 57 are further arranged on the bite block main body 50, wherein the fixing lugs 57 are symmetrically arranged and surround the two sides of the bite block main body 50 to divide the bite block main body 50 into a front end part 51 and a pre-tightening part 52; fixed ear 57 also has certain effect of blockking simultaneously, and in the use, fixed ear 57 blocks outside patient's oral cavity, prevents that the patient from gulping the bite-block into the mouth to lead to the fact the threat to patient's life safety, when the bite-block structure cooperates other equipment uses, fixed ear 57 also can be as an butt structure.

It is worth noting that the fixing lug 57 is also provided with a fixing hole 55, the fixing hole 55 is convenient for the patient to wear and fix, and in the using process of the patient, the medical adhesive tape or the bite block silk ribbon is worn on the head of the patient through the fixing hole 55, so as to prevent the patient from falling off in the using process; the bite block main body 50 and the fastener 60 can be connected with the bite block main body 50 through a threaded connection, a direct sleeving connection or a clamping connection and other modes; the second lubrication pad 56 can be made of soft material such as a silicone pad.

As shown in fig. 6 to 7, the present invention further provides an endotracheal tube, which comprises a tube body 40, an inflation assembly 41, a cuff 43, a connector 42 and an endotracheal tube protection device; specifically, the trachea cannula protection device is sleeved on the tube body 40, the joint 42 is arranged at one end of the tube body 40 and connected with the trachea cannula protection device, and the inflation assembly 41 is arranged in the direction close to the joint 42; the cuff 43 is connected to the other end of the tube body 40 and is arranged away from the joint 42; the trachea cannula protection device is the trachea cannula protection device and comprises a protection layer 45 and a fixing component, wherein the protection layer 45 is sleeved outside the tube body 40, the fixed end of the protection layer 45 is connected and positioned with the locking piece 46 on the tube body 40, and the movable end of the protection layer 45 is fixedly connected with the fastening mechanism.

Specifically, as shown in fig. 6, when the fastening mechanism is a buckle assembly, the fixed end of the protective layer 45 is connected to the locking member 46 on the tube body 40 and fastened by the fixing ring 44, and the movable end of the protective layer 45 is connected to the buckle assembly and fastened to the boss 18 by the fixing ring 44; before use, the buckle assembly and the protective layer 45 are contracted to be close to the fixed end; when the dental pad is used, the protective layer 45 is partially stretched and sleeved on the tube body 40 but is not completely sleeved, so that bacteria are prevented from breeding, secondary infection of a patient is avoided, the buckle assembly is pressed, the dental pad moves back and forth on the tracheal intubation tube, so that the lubricant on the dental pad structure is uniformly smeared on the surface of the tube body 40, and the buckle assembly is fastened with the tracheal intubation tube; after the use, medical personnel loosen the sliding assembly to extract the pipe intubate towards external equipment direction, withstand the buckle subassembly with the hand simultaneously, protective layer 45 can stretch completely this moment, thereby make the pipe intubate be in protective layer 45, infection risk that brings when having reduced the doctor and pull out the pipe.

Specifically, as shown in fig. 7, when the fastening mechanism is a bite block structure, the protective layer 45 is sleeved on the endotracheal tube, and the fixed end of the protective layer 45 is connected to the tube body 40 and fastened by the fixing ring 44, and the movable end of the protective layer 45 is connected to the bite block assembly and fastened to the front end 51 by the fixing ring 44; before use, the bite block structure and the protective layer 45 are contracted to be close to the fixed end; when in use, the protective layer 45 is partially stretched and sleeved on the tube body 40 but is not completely sleeved, so that bacteria breeding is avoided, and secondary infection of a patient is avoided; the fastener 60 is matched with the bite block main body 50 to move back and forth on the tracheal intubation, so that the lubricant on the bite block structure is uniformly coated on the surface of the tube body 40, and the bite block structure is fastened with the tracheal intubation; after the use, the medical staff loosens the fastener 60 and the bite block main body 50, extracts the tracheal cannula towards the direction of the external equipment, and simultaneously jacks up the bite block structure by hands, so that the protective layer 45 can be completely stretched to sleeve the tracheal cannula, the tracheal cannula is positioned in the protective layer 45, and the infection risk brought by the doctor during the drawing is reduced; in other embodiments, when the front end 51 is connected to the fixed end of the protection layer 45, the front end may be fixed by adhesion under the condition of ensuring air-tightness; notably, in some embodiments, the front end 51 is for occlusion by a patient, and the prefasten 52 is attached to the protective covering 45; specifically, the larger end of the tapered hole 61 of the fastener 60 faces the same direction as the movable end of the protective layer 45, the tapered hole is sleeved on the protective layer 45, the movable end of the protective layer 45 is connected with the pre-tightening part 52, the protective layer 45 is clamped between the fastener 60 and the pre-tightening part 52, and when the fastener 60 is matched with the pre-tightening part 52 to be fixed, the protective layer 45 is fastened with the pre-tightening part 52; the specific application method matched with the tracheal cannula is the application method.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The trachea cannula protection device is characterized by comprising a protection layer and a fixing component, wherein the protection layer and the fixing component are sleeved outside a tube body, the protection layer comprises a fixed end and a movable end, the fixing component comprises a locking piece and a fastening mechanism, and the locking piece is used for fixing the fixed end of the protection layer on the tube body; the fastening mechanism is used for positioning the movable end of the protective layer on the pipe body;

the fastening mechanism includes a snap assembly: the buckle assembly comprises a buckle, a sliding piece and a first lubricating gasket;

2. The endotracheal intubation protection device according to claim 1, wherein the buckle further includes a first extending portion, a second extending portion, and at least two pressing portions, the first extending portion is disposed on the first side plate, the second extending portion is disposed on the second side plate, and third through holes are disposed in both the first extending portion and the second extending portion and communicated with the first through hole; the pressing parts are respectively arranged at one ends of the first side plate and the second side plate, which are far away from the interface, and are symmetrically arranged;

3. The endotracheal intubation protection device according to claim 2, further comprising a fixing ring, wherein the second extension portion further comprises a protrusion, the movable end of the protection layer is sleeved on the second extension portion and is fastened and connected to the second extension portion through the fixing ring, and the fixing ring is fastened and fixed to the second extension portion through the protrusion.

4. A tracheal intubation protection device according to claim 1, wherein said fastening mechanism comprises a bite block structure comprising: the bite-block main part, the bite-block main part has the pilot hole, the bite-block main part includes a plurality of second lubricated gaskets, second lubricated gasket fixed set up in the pilot hole, and be located on the lateral wall of pilot hole.

5. The endotracheal intubation protection device according to claim 4, wherein the bite block body further includes a front end portion and a pre-tightening portion, the fitting hole penetrates through the front end portion and the pre-tightening portion, and the second lubrication spacer is disposed on an inner side wall of the fitting hole corresponding to the pre-tightening portion; the pre-tightening part is provided with a plurality of pre-tightening ports along the axis direction, and the pre-tightening ports are circumferentially arranged on the pre-tightening part at intervals.

6. The endotracheal intubation protection device according to claim 4, wherein the bite block structure further includes a fastening member, and the fastening member is fitted over the pre-tightening portion to fix the fitting hole to the aperture of the portion corresponding to the pre-tightening portion.

7. The device as claimed in claim 6, wherein the fastener has a tapered bore, and the larger end of the bore is disposed toward the front end, and the smaller end of the bore is disposed toward the pre-tightening portion.

8. The endotracheal intubation protection device according to claim 5, wherein the bite block main body is further provided with at least two fixing lugs, the fixing lugs are provided with fixing holes, the fixing lugs are symmetrically arranged and surround the outer surface of the bite block main body, and the fixing lugs divide the bite block main body into the front end portion and the pre-tightening portion.

9. A trachea cannula is characterized by comprising a tube body, an inflation assembly, a cuff, a connector and a trachea cannula protection device, wherein the trachea cannula protection device is sleeved on the tube body, the connector is arranged at one end of the tube body and connected with the trachea cannula protection device, the inflation assembly is arranged close to the connector, and the cuff is connected to the other end of the tube body and is arranged far away from the connector; an endotracheal intubation protection device according to any one of claims 1 to 8; trachea cannula protection device establishes including the cover protective layer outside the body with fixed subassembly, the stiff end of protective layer with locking piece connection location on the body, the expansion end of protective layer with fastening device fastening connection.