CN220938740U - Tracheotomy cannula - Google Patents

Abstract

The utility model relates to a tracheotomy tube, which comprises a binding band fixing plate, a connector, an outer cannula, an inflation assembly, a protective sleeve and a fixing band assembly; the middle of the binding band fixing plate is provided with a through hole, and two sides of the binding band fixing plate are provided with binding band fixing holes; the other end of the connector passes through the through hole and is connected with an external insertion tube, and the external insertion tube is used for extending into the trachea of a human body; the inflation assembly comprises a sleeve bag, an inflation tube and an indication balloon, the sleeve bag is arranged on the outer cannula, the indication balloon is connected with the sleeve bag through the inflation tube, and the indication balloon is used for inflating the sleeve bag; the protective sheath cover is established in the outside of outer tube and cover bag, and the one end of protective sheath is provided with the fixed band subassembly, and the fixed band subassembly cooperates with the bandage fixed orifices, and the fixed band subassembly is used for tying up on human neck to it is fixed with protective sheath and tracheotomy sleeve pipe. The transition property of contact between the tracheotomy sleeve and the skin is increased through the protective sleeve, so that the tracheotomy sleeve has certain buffering property when shaking, and friction with the skin is reduced.

Description

Tracheotomy cannula

Technical Field

The utility model relates to the field of medical instruments, in particular to a tracheostomy tube.

Background

Tracheotomy is a common procedure in which the cervical trachea is incised, and a metal, silica gel or plastic tracheal tube is placed to relieve dyspnea caused by laryngeal dyspnea, respiratory dysfunction or lower airway secretion retention. Among them, the probability of tracheotomy is greatest in patients with cerebral hemorrhage, cerebral infarction, brain trauma, even ischemic and hypoxic encephalopathy, high spinal cord injury, and severe pneumonia.

The prior tracheal cannula is fixed at the throat of a patient during treatment, and the tracheal cannula can shake during the treatment process, so that the contact friction between the cannula and the wound of the patient is increased, the skin at the contact position is damaged, and the wound of the patient is not benefited.

Disclosure of utility model

In view of the above problems, the present application provides a tracheostomy tube, which is used for solving the technical problems that the tracheostomy tube may shake during the treatment process, and the skin at the contact position is damaged, which is not beneficial to the rehabilitation of the wound of a patient.

To achieve the above object, the present inventors provide a tracheostomy tube comprising a strap-fixing plate, a connector, an outer cannula, an inflation assembly, a protective sheath, and a fixing strap assembly; the middle of the binding band fixing plate is provided with a through hole, and two sides of the binding band fixing plate are provided with binding band fixing holes; one end of the connector is used for being connected with an external breathing machine, the other end of the connector passes through the through hole and is connected with an external insertion tube, and the external insertion tube is used for extending into the trachea of a human body; the inflation assembly comprises a sleeve bag, an inflation tube and an indication balloon, the sleeve bag is arranged on the outer cannula, the indication balloon is connected with the sleeve bag through the inflation tube, and the indication balloon is used for inflating the sleeve bag; the protective sheath cover is established in the outside of outer tube and cover bag, and the one end of protective sheath is provided with the fixed band subassembly, and the fixed band subassembly cooperates with the bandage fixed orifices, and the fixed band subassembly is used for tying up on human neck to it is fixed with protective sheath and tracheotomy sleeve pipe.

Compared with the prior art, the technical scheme of the application is provided with the protective sleeve and the fixing band component, and the protective sleeve is sleeved on the outer side of the outer insertion tube and the outer side of the sleeve bag, so that the contact transitional property between the tracheostomy tube and the skin is increased, the tracheostomy tube has certain buffering property when shaking, and the friction with the skin is reduced. In addition, in order to better fix the protective sleeve, the position of the protective sleeve is prevented from changing, and the protective sleeve is fixed on the neck by the fixing belt assembly, so that friction with skin is further reduced, pain of a patient is reduced, and recovery of the patient is facilitated.

As an embodiment of the utility model, the diameter of the protective sheath is greater than the diameter of the cuff in the inflated state. Thus, the protective sleeve plays a role in protection while ensuring that the cuff can be used normally.

As one embodiment of the present utility model, a strap assembly includes a strap and at least one cushion bumper; the both ends of fixed band pass the bandage fixed orifices respectively after being connected with the one end of protective sheath, and at least one liner buffer sets up on the fixed band, and liner buffer and fixed band sliding connection. Therefore, the protective sleeve and the tracheotomy sleeve can be well fixed through the fixing belt, and the pad buffer piece slows down the pressure brought to the wound when the fixing belt is bound and fixed, so that the pain of a patient is reduced, and the rehabilitation treatment efficiency of the patient is improved.

As one embodiment of the utility model, the fixing belt assembly further comprises a first magnetic piece and a second magnetic piece, the first magnetic piece is arranged on the fixing belt, the second magnetic piece is arranged on the pad buffer piece, and the first magnetic piece is magnetically connected with the second magnetic piece. Therefore, the cushion buffer piece is conveniently fixed on the fixing belt through the magnetic connection of the first magnetic piece and the second magnetic piece.

As one embodiment of the present utility model, the cushion buffer comprises a sponge layer and a cloth layer which are connected with each other, wherein the cloth layer is sleeved outside the sponge layer. Thus, the cushion buffer is guaranteed to have a certain comfort level for the patient while the cushion buffer has a buffering performance.

As one embodiment of the present utility model, the fixing band assembly further includes a first strap and a second strap, one end of the first strap is connected to one end of the protective sleeve after passing through one of the strap fixing holes, one end of the second strap is connected to one end of the protective sleeve after passing through the other strap fixing hole, and the other end of the first strap is connected to the other end of the second strap. Therefore, the tracheostomy tube can be more conveniently fixed on the neck of a human body by arranging two binding bands to be connected.

As one embodiment of the utility model, the fixing strap assembly further comprises a connecting piece, the other end of the first binding strap is connected with the other end of the second binding strap through the connecting piece, and the connecting piece comprises a first magnetic attraction joint and a second magnetic attraction joint; the other end of the first binding belt is provided with a first magnetic attraction joint, the other end of the second binding belt is provided with a second magnetic attraction joint, and the first magnetic attraction joint is matched with the second magnetic attraction joint. Therefore, the first binding band and the second binding band are conveniently connected and fixed in a mode that the first magnetic attraction joint and the second magnetic attraction joint are matched with each other, and the protective sleeve and the tracheotomy sleeve are fixed.

As one embodiment of the utility model, the fixing strap assembly further comprises an adjusting assembly comprising a first adjusting head and a second adjusting head; more than two first adjusting holes are formed in one end of the first binding belt, a first adjusting head is arranged on the first binding belt and is used for being matched with one of the first adjusting holes so as to adjust the length of the first binding belt; more than two second adjusting holes are formed in one end of the second binding belt, a second adjusting head is arranged on the second binding belt and is used for being matched with one of the second adjusting holes so as to adjust the length of the second binding belt. Therefore, the tightness degree of the fixing strap assembly on the neck can be adjusted according to the neck conditions of different patients through the adjusting assembly, so that the patient can feel more comfortable when using the tracheotomy sleeve.

As one embodiment of the present utility model, the protective sleeve is integrally formed with the strap assembly. Thus, no extra connection is needed, the structure is firmer and more convenient in use.

As an embodiment of the present utility model, the protective sheath is a cortical protective sheath. Thus, the leather structure has certain flexibility, is durable and has long service life.

The foregoing summary is merely an overview of the present utility model, and may be implemented according to the text and the accompanying drawings in order to make it clear to a person skilled in the art that the present utility model may be implemented, and in order to make the above-mentioned objects and other objects, features and advantages of the present utility model more easily understood, the following description will be given with reference to the specific embodiments and the accompanying drawings of the present utility model.

Drawings

The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of the present application and are not to be construed as limiting the application.

In the drawings of the specification:

FIG. 1 is a schematic view of a tracheostomy tube according to one embodiment of the application;

FIG. 2 is another schematic structural view of a tracheostomy tube according to one embodiment of the application;

FIG. 3 is a schematic view of a strap assembly according to an embodiment of the present application;

FIG. 4 is a schematic structural view of a fixing strap according to an embodiment of the present application;

FIG. 5 is a schematic view of a cushion pad according to an embodiment of the present application;

Fig. 6 is a schematic view of the configuration of the strap assembly mated with the strap retaining plate in accordance with one embodiment of the present application. Reference numerals referred to in the above drawings are explained as follows:

100. Tracheostomy tubes;

1. A strap fixing plate;

11. A through hole;

12. a strap fixing hole;

2. A joint;

3. An outer cannula;

4. An inflation assembly;

41. A cuff;

42. An inflation tube;

43. An indicator balloon;

5. A protective sleeve;

6. a securing strap assembly;

61. A fixing belt;

62. A cushion buffer;

621. A sponge layer;

622. A sand cloth layer;

623. a mounting hole;

63. A first magnetic member;

64. A second magnetic member;

65. A first contact surface;

66. A second contact surface;

67. A first strap;

671. A first adjustment aperture;

672. A first adjustment head;

68. a second strap;

681. a second adjustment aperture;

682. A second adjustment head;

69. A connecting piece;

691. A first magnetic connector;

692. A second magnetic connector;

a. In the diameter direction.

Detailed Description

In order to describe the possible application scenarios, technical principles, practical embodiments, and the like of the present application in detail, the following description is made with reference to the specific embodiments and the accompanying drawings. The embodiments described herein are only for more clearly illustrating the technical aspects of the present application, and thus are only exemplary and not intended to limit the scope of the present application.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment may be combined in any manner to form a corresponding implementable technical solution.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application pertains; the use of related terms herein is for the purpose of describing particular embodiments only and is not intended to limit the application.

In the description of the present application, the term "and/or" is a representation for describing a logical relationship between objects, which means that three relationships may exist, for example a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the front-to-back associated object is an "or" logical relationship.

In the present application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.

Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this specification is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.

As in the understanding of "review guidelines," the expressions "greater than", "less than", "exceeding" and the like are understood to exclude this number in the present application; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of embodiments of the present application, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of" and the like, unless specifically defined otherwise.

In the description of embodiments of the present application, spatially relative terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc., are used herein as a basis for the description of the embodiments or as a basis for the description of the embodiments, and are not intended to indicate or imply that the devices or components referred to must have a particular position, a particular orientation, or be configured or operated in a particular orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "affixed," "disposed," and the like as used in the description of embodiments of the application should be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral arrangement; the device can be mechanically connected, electrically connected and communicated; it can be directly connected or indirectly connected through an intermediate medium; which may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains according to circumstances.

The prior tracheal cannula is fixed at the throat of a patient during treatment, and the tracheal cannula can shake during the treatment process, so that the contact friction between the cannula and the wound of the patient is increased, the skin at the contact position is damaged, and the wound of the patient is not benefited. The inventors have found that the above-described problem is achieved by providing the protective sheath 5 on the outer side of the conventional outer tube 3 and cuff 41, thereby increasing the contact transition between the tracheostomy tube 100 and the skin, providing the tracheostomy tube 100 with a certain cushioning property when swaying, and reducing friction with the skin. In addition, in order to better fix the protective sleeve 5 and prevent the position of the protective sleeve 5 from changing, a fixing belt component 6 is further arranged to fix the protective sleeve 5 on the neck, so that friction with skin is further reduced, pain of a patient is reduced, and recovery of the patient is facilitated.

The tracheostomy tube 100 of the present application is primarily used in tracheostomy to assist in patient breathing.

Referring to fig. 1-2, in accordance with some embodiments of the present application, a tracheostomy tube 100 includes a strap-securing plate 1, a connector 2, an outer cannula 3, an inflation assembly 4, a protective sheath 5, and a securing strap assembly 6; the middle of the binding band fixing plate 1 is provided with a through hole 11, and two sides of the binding band fixing plate 1 are provided with binding band fixing holes 12; one end of the connector 2 is used for being connected with an external breathing machine, the other end of the connector 2 passes through the through hole 11 to be connected with the external insertion tube 3, and the external insertion tube 3 is used for extending into the trachea of a human body; the inflation assembly 4 comprises a sleeve bag 41, an inflation tube 42 and an indication balloon 43, the sleeve bag 41 is arranged on the outer insertion tube 3, the indication balloon 43 is connected with the sleeve bag 41 through the inflation tube 42, and the indication balloon 43 is used for inflating the sleeve bag 41; the protective sheath 5 cover is established in the outside of outer tube 3 and cover bag 41, and the one end of protective sheath 5 is provided with fixed band subassembly 6, and fixed band subassembly 6 cooperates with bandage fixed orifices 12, and fixed band subassembly 6 is used for tying up on human neck to it is fixed with protective sheath 5 and tracheotomy tube 100.

Tracheostomy tube 100 may be metal, silicone, or plastic.

The joint 2 is fixedly connected with the binding band fixing plate 1, and the shape of the binding band fixing plate 1 can be attached to the neck.

The outer cannula 3 is provided with a cuff 41, and the cuff 41 can be integrally formed with the outer cannula 3. The cuff 41 is provided for sealing the airway, securing the outer cannula 3, ensuring a tidal volume supply, preventing oropharyngeal secretions from entering the lungs, and thus reducing the occurrence of complications such as pulmonary infections. In practical use, the inflation amount in the cuff 41 is too much or too little (if the cuff 41 is not inflated enough, air leakage, aspiration and the like are caused, and if the inflation amount of the cuff 41 is too much, the blood supply of the airway mucosa is affected), so that the indication balloon 43 is required to be communicated with the cuff 41 through the inflation tube 42, the cuff 41 is inflated through the indication balloon 43, and the pressure of the cuff 41 is monitored.

In actual use, the fixing band assembly 6 is connected with the protective sleeve 5, the protective sleeve 5 is sleeved outside the tube 3 and the cuff 41, then the fixing band assembly 6 is matched with the strap fixing hole 12, the outer sleeve 3 is plugged into the trachea from the wound of the neck of a patient, and after the outer sleeve is plugged into a proper position, the fixing band assembly 6 is tied on the neck of a human body, so that the protective sleeve 5 and the tracheotomy sleeve 100 are fixed. Thereafter, the external ventilator is connected to the connector 2, and the indication balloon 43 inflates the cuff 41 through the inflation tube 42, so that the cuff 41 is in a proper inflated state. Finally, the external ventilator is turned on to supply air to the patient. In the process, the transitional property of contact between the tracheostomy tube 100 and the skin is increased through the protective sleeve 5, so that the tracheostomy tube 100 has certain buffering property when shaking, and friction with the skin is reduced. In addition, in order to better fix the protective sleeve 5 and prevent the position of the protective sleeve 5 from changing, a fixing belt component 6 is further arranged to fix the protective sleeve 5 on the neck, so that friction with skin is further reduced, pain of a patient is reduced, and recovery of the patient is facilitated.

According to some embodiments of the present application, optionally, as shown in fig. 1 and 2, the diameter of the protective sheath 5 is greater than the diameter of the cuff 41 in the inflated state (diameter direction a shown in fig. 1). In this way, the protective sheath 5 performs a protective function while ensuring that the cuff 41 is used normally.

According to some embodiments of the present application, optionally, as shown in fig. 2 and 3, the fixing strap assembly 6 includes a fixing strap 61 and at least one cushion buffer 62; the two ends of the fixing band 61 are respectively connected with one end of the protective sleeve 5 after passing through the binding band fixing holes 12, at least one pad buffer 62 is arranged on the fixing band 61, and the pad buffer 62 is slidably connected with the fixing band 61.

Since the fixing band 61 is one, the fixing band 61 has a certain elasticity in order to adapt the fixing band 61 to the neck of different patients. In some embodiments, the fixing band 61 is made of cotton soft material, and the elastic band is arranged inside the fixing band 61, so that the fit degree of the fixing band 61 and the neck of a patient can be improved by adopting the cotton soft material, and the comfort is enhanced.

The protective sleeve 5 and the tracheostomy tube 100 can be well fixed through the fixing belt 61, and the cushion buffer 62 slows down the pressure brought to the wound by the fixing belt 61 when binding and fixing, so that the pain of a patient is reduced, and the rehabilitation treatment efficiency of the patient is improved.

According to some embodiments of the present application, the fixing band 61 is, optionally, as shown in fig. 4, in a flat elongated shape, and has a first contact surface 65 and a second contact surface 66 disposed opposite to each other. The flat fixing band 61 can increase the contact area of the fixing band 61 with the patient's neck. In this embodiment, the first contact surface 65 or the second contact surface 66 can be attached to the neck of the patient, so that the fixing strap 61 is attached to the neck of the patient tightly, and shaking is prevented.

In the present embodiment, the fixing band 61 has a uniform structure and an equal cross-sectional size. In other preferred embodiments, the shape and configuration of the fixing band 61 may be varied, for example, the fixing band 61 is designed to have a circular cross section.

According to some embodiments of the present application, as shown in fig. 4 and 5, the fixing band assembly 6 further includes a first magnetic member 63 and a second magnetic member 64, the first magnetic member 63 is disposed on the fixing band 61, the second magnetic member 64 is disposed on the cushion buffer 62, and the first magnetic member 63 is magnetically connected with the second magnetic member 64. In this way, the cushion buffer 62 is fixed to the fixing belt 61 by the magnetic connection of the first magnetic member 63 and the second magnetic member 64.

The fixing belt 61 is provided with a plurality of first magnetic members 63, and the plurality of first magnetic members 63 are arranged on the fixing belt 61 at intervals. Preferably, the first magnetic member 63 is a magnet. The plurality of first magnetic members 63 are adapted to cooperate with the cushion pad 62 to temporarily secure the cushion pad.

Preferably, in the present embodiment, the number of the first magnetic members 63 is four, wherein two first magnetic members 63 are disposed near two ends of the fixing belt 61, and the remaining two first magnetic members 63 are disposed between the two first magnetic members 63 disposed near the two ends at intervals. It will be appreciated that two first magnetic members 63 near the ends of the strap 61 and also near the strap attachment plate 1, the two first magnetic members 63 being adapted to cooperate with the cushion member 62 to facilitate the treatment of the wound at the opening. While the two middle first magnetic members 63 are used to cooperate with the cushion members 62, which can be used to increase the fastening effect. In other preferred embodiments, the number of first magnetic members 63 may vary, and may be one, two, three or more.

In the present embodiment, the number of the cushion buffers 62 is four corresponding to the number of the first magnetic attraction pieces, and the four cushion buffers 62 are provided on the fixing belt 61 at intervals. It will be appreciated that the number of second magnetic elements 64 is four, and that four second magnetic elements 64 cooperate with four first magnetic elements 63. This means of attachment facilitates quick positioning of cushion bumper 62 and is secured to securing strap 61 to prevent cushion bumper 62 from rocking and to increase the comfort of cushion bumper 62 to the patient. In other preferred embodiments, the number of cushion pads may vary differently, such as one, two, three or more. In actual use, the number of cushion buffers 62 may be configured as desired. Preferably, the second magnetic member 64 is also a magnet.

According to some embodiments of the present application, optionally, as shown in fig. 5, the cushion pad 62 includes a sponge layer 621 and a cloth layer 622 connected to each other, and the cloth layer 622 is sleeved outside the sponge layer 621.

The cushion buffer 62 is in a strip shape, and a mounting hole 623 is provided in the middle of the cushion buffer 62 for the fixing belt 61 to pass through. It will be appreciated that mounting hole 623 is a clearance fit with strap 61, strap 61 passing through mounting hole 623 and cushion 62 being movable relative to strap 61. Wherein, the sponge layer 621 is annular columnar, and the abrasive cloth layer 622 is annular columnar. The sponge layer 621 forms the mounting hole 623. It will be appreciated that the sponge layer 621 is disposed internally to facilitate enhanced comfort of the cushion bumper 62. The cushion buffer 62 is provided with a second magnetic member 64, and the first magnetic member 63 is engaged with the second magnetic member 64. Preferably, the second magnetic member 64 is disposed within the sponge layer 621.

In this manner, cushion cushioning 62 is maintained while providing a level of comfort to the patient.

According to some embodiments of the present application, optionally, as shown in fig. 6, the fixing band assembly 6 further includes a first strap 67 and a second strap 68, one end of the first strap 67 is connected to one end of the protective sheath 5 after passing through one of the strap fixing holes 12, one end of the second strap 68 is connected to one end of the protective sheath 5 after passing through the other strap fixing hole 12, and the other end of the first strap 67 is connected to the other end of the second strap 68.

The first strap 67 and the second strap 68 are made of rubber, so that the patient is comfortable to wear, and the elastic force is high, so that the length adjustment is suitable.

In this way, the tracheostomy tube 100 can be more conveniently fixed to the neck of the human body by providing two straps to be connected.

According to some embodiments of the present application, optionally, as shown in fig. 6, the fixing band assembly 6 further includes a connection piece 69, the other end of the first strap 67 and the other end of the second strap 68 are connected by the connection piece 69, and the connection piece 69 includes a first magnetic attraction joint 691 and a second magnetic attraction joint 692; the other end of the first strap 67 is provided with a first magnetic connector 691, the other end of the second strap 68 is provided with a second magnetic connector 692, and the first magnetic connector 691 is matched with the second magnetic connector 692.

The first magnetic connector 691 and the second magnetic connector 692 are mutually matched through magnets, so that the first binding band 67 and the second binding band 68 can be easily separated, and the wearing and the dismounting are convenient.

According to some embodiments of the present application, optionally, as shown in fig. 6, the fixing strap assembly 6 further includes an adjustment assembly including a first adjustment head 672 and a second adjustment head 682; one end of the first binding belt 67 is provided with more than two first adjusting holes 671, the first binding belt 67 is provided with a first adjusting head 672, and the first adjusting head 672 is used for being matched with one of the first adjusting holes 671 so as to adjust the length of the first binding belt 67; more than two second adjusting holes 681 are formed in one end of the second binding band 68, and second adjusting heads 682 are arranged on the second binding band 68, and the second adjusting heads 682 are used for being matched with one of the second adjusting holes 681 so as to adjust the length of the second binding band 68.

Wherein the first adjustment head 672 is identical in structure to the second adjustment head 682. Taking the first adjusting head 672 as an example, the first adjusting head 672 includes a connecting rod and a fixing head, the fixing head is in a hemispherical shape, and a planar end of the fixing head is connected with the first binding band 67 or the second binding band 68 through the connecting rod. It should be noted that the outer diameter of the fixing head is larger than the aperture of the adjusting hole, the outer diameter of the connecting rod is smaller than the aperture of the connecting hole, and the first adjusting head 672 is mounted on the outer surface of the fixing belt 61. In some preferred embodiments, the first adjustment head 672 is fixedly connected, and is made of rubber, so that the fixing head can be inserted into the connecting hole due to high elasticity of the rubber, and can be pulled out by a little force when being detached. Optionally, the matching positions of the adjusting heads on the first binding band 67 and the second binding band 68 and the adjusting holes should be consistent, so that the comfort of wearing by a patient is ensured, and the number and the interval of the adjusting holes can be adjusted according to actual conditions.

Thus, the tightness of the fixing strap assembly 6 on the neck can be adjusted according to the neck condition of different patients through the adjusting assembly, so that the patient can feel more comfortable when using the tracheostomy tube 100.

According to some embodiments of the application, the protective sheath 5 is optionally integrally formed with the strap assembly 6. Thus, no extra connection is needed, the structure is firmer and more convenient in use.

According to some embodiments of the application, the protective sheath 5 is optionally a cortical protective sheath 5. Thus, the leather structure has certain flexibility, is durable and has long service life.

Those skilled in the art will appreciate that while some embodiments herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. The tracheotomy tube is characterized by comprising a binding band fixing plate, a connector, an outer cannula, an inflation assembly, a protective sleeve and a fixing band assembly;

The middle of the binding band fixing plate is provided with a through hole, and both sides of the binding band fixing plate are provided with binding band fixing holes;

one end of the connector is used for being connected with an external breathing machine, the other end of the connector penetrates through the through hole to be connected with the external insertion tube, and the external insertion tube is used for extending into a human trachea;

The inflation assembly comprises a sleeve bag, an inflation tube and an indication balloon, the sleeve bag is arranged on the outer cannula, the indication balloon is connected with the sleeve bag through the inflation tube, and the indication balloon is used for inflating the sleeve bag;

The protective sleeve is sleeved on the outer side of the outer insertion tube and the cuff, one end of the protective sleeve is provided with the fixing band assembly, the fixing band assembly is matched with the binding band fixing hole, and the fixing band assembly is used for being bound on the neck of a human body so as to fix the protective sleeve and the tracheotomy sleeve.

2. The tracheostomy tube of claim 1, wherein a diameter of said protective sheath is greater than a diameter of said cuff in an inflated state.

3. The tracheostomy tube of claim 1, wherein the strap assembly comprises a strap and at least one cushion bumper;

The two ends of the fixing belt respectively penetrate through the binding belt fixing holes and then are connected with one end of the protective sleeve, at least one pad buffer piece is arranged on the fixing belt, and the pad buffer piece is in sliding connection with the fixing belt.

4. A tracheostomy tube as recited in claim 3, wherein the strap assembly further comprises a first magnetic member and a second magnetic member, the first magnetic member being disposed on the strap, the second magnetic member being disposed on the cushion member, the first magnetic member being magnetically coupled to the second magnetic member.

5. The tracheostomy tube of claim 3 or 4, wherein the cushion buffer comprises a sponge layer and a cloth layer connected to each other, the cloth layer being sleeved outside the sponge layer.

6. The tracheostomy tube of claim 1, wherein the strap assembly further comprises a first strap and a second strap, one end of the first strap passing through one of the strap attachment holes and then being connected to one end of the protective sheath, one end of the second strap passing through the other strap attachment hole and then being connected to one end of the protective sheath, and the other end of the first strap being adapted to be connected to the other end of the second strap.

7. The tracheostomy tube of claim 6, wherein the strap assembly further comprises a connector through which the other end of the first strap is connected to the other end of the second strap, the connector comprising a first magnetic connector and a second magnetic connector;

The other end of the first binding belt is provided with the first magnetic attraction joint, the other end of the second binding belt is provided with the second magnetic attraction joint, and the first magnetic attraction joint is matched with the second magnetic attraction joint.

8. The tracheostomy tube of claim 6, wherein the strap assembly further comprises an adjustment assembly comprising a first adjustment head and a second adjustment head;

More than two first adjusting holes are formed in one end of the first binding belt, the first adjusting head is arranged on the first binding belt and is used for being matched with one of the first adjusting holes so as to adjust the length of the first binding belt;

More than two second adjusting holes are formed in one end of the second binding band, the second adjusting head is arranged on the second binding band and is used for being matched with one of the second adjusting holes so as to adjust the length of the second binding band.

9. The tracheostomy tube of claim 1, wherein said protective sheath is integrally formed with said strap assembly.

10. The tracheostomy tube of claim 1, wherein the protective sheath is a cortical protective sheath.