CN219231088U

CN219231088U - Tracheotomy cannula

Info

Publication number: CN219231088U
Application number: CN202223410788.2U
Authority: CN
Inventors: 徐果; 吴泽斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-23
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a tracheotomy sleeve, which comprises an outer sleeve, an inner sleeve and a guide piece, wherein the outer sleeve is provided with a first central channel, the inner sleeve is provided with a second central channel, the outer sleeve is a soft plastic sleeve, the inner sleeve is a hard sleeve with hardness larger than that of the outer sleeve, the inner sleeve can be sleeved in the first central channel of the outer sleeve, the size of the first central channel can be changed along with the change of the outer diameter of the first central channel, the guide piece is matched with the outer sleeve, one end of the guide piece can extend into the first central channel, and the outer sleeve is deformed. The inner sleeve of the tracheotomy sleeve is detachably sleeved in the outer sleeve and can prop open the outer sleeve, so that the tracheotomy sleeve is of a sleeve structure with adjustable pipe diameter, inner sleeves with different specifications can be replaced according to the change of disease conditions, the outer sleeve does not need to be taken out, the risk of pipe removal is reduced, the inner sleeve is convenient to replace, the inner sleeve can be taken out and cleaned, and the sputum crust blockage is effectively avoided.

Description

Tracheotomy cannula

Technical Field

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

Background

Tracheotomy is to cut the trachea of the neck of a patient, then put a tracheal cannula into the trachea of the patient through the incision, and is used for relieving the upper respiratory tract obstruction, laryngeal dyspnea, dyspnea caused by respiratory dysfunction or lower respiratory tract secretion retention, mechanical ventilation and preventing the aspiration pneumonia of a patient with serious aspiration, and is a common clinical medical operation. Under normal conditions, after tracheotomy, a respirator is required to be connected, so that gas enters an artificial airway to supply oxygen to a patient, and when the illness state is improved, the patient needs to be separated from the respirator to perform oral-nasal respiration and sounding training on the patient.

The tracheotomy tube is an important tool for treating the respiratory diseases, the current common tracheotomy tube is of a fixed tube diameter, the tube diameter cannot be adjusted, ventilation is not facilitated due to the fact that the tube diameter is too small, the tube diameter is easy to block, the tube diameter is too large, the tube diameter cannot easily pass through an air incision, and in addition, if the tube diameter is not suitable, the risk of replacing the tracheotomy tube at the initial stage after the tracheotomy is high.

Disclosure of Invention

It is an object of the present utility model to provide a tracheostomy tube which solves at least one of the above problems.

According to one aspect of the present utility model, there is provided a tracheostomy tube comprising an outer tube, an inner tube and a guide, wherein the outer tube is provided with a first central channel, the inner tube is provided with a second central channel, the outer tube is a soft plastic tube, the inner tube is a hard tube with hardness greater than that of the outer tube, the inner tube can be sleeved in the first central channel of the outer tube, the size of the first central channel can be changed along with the change of the outer diameter of the first central channel, the guide is matched with the outer tube, and one end of the guide can extend into the first central channel and deform the outer tube.

Therefore, the utility model provides the tracheotomy sleeve with the novel structure, the inner sleeve of the tracheotomy sleeve is detachably sleeved in the outer sleeve and can prop open the outer sleeve, and the tracheotomy sleeve is of the sleeve structure with the adjustable pipe diameter, so that the inner sleeves with different specifications can be replaced according to the change of the state of the illness, the outer sleeve is not required to be taken out, the risk of pipe removal is reduced, the inner sleeve is convenient to replace, the inner sleeve can be taken out and cleaned, and the blockage of sputum crust can be effectively avoided; in addition, the guide piece can guide the extension direction of the outer sleeve, so that the requirement of no use is met.

In some embodiments, the outer sleeve includes a first tube portion and a first fixation portion, the first tube portion being mounted to the first fixation portion and extending in a direction away from the first fixation portion. Thus, the first fixing part is used for realizing the fixation between the outer sleeve and the patient, and the first pipe part is used for extending into the airway of the patient.

In some embodiments, the inner sleeve includes a second tube portion and a second fixation portion, the second tube portion being mounted to the second fixation portion and extending in a direction away from the second fixation portion. The second fixing part is used for fixing the inner sleeve, and the second pipe part is used for extending into the first central channel to support the first pipe part.

In some embodiments, the first fixing portion is provided with a positioning hole or a positioning groove, and the second fixing portion is provided with a positioning piece matched with the positioning hole or the positioning groove;

or, the first fixing part is provided with a locating piece, and the second fixing part is provided with a locating hole or a locating groove matched with the locating piece.

Therefore, the quick assembly of the inner sleeve and the outer sleeve can be realized.

In some embodiments, the first fixing portion is provided with a mounting hole. Therefore, the outer sleeve can be installed by matching the rope and the like with the installation hole.

In some embodiments, the tracheostomy tube further comprises a balloon, the balloon being sleeved over the outer sleeve. Therefore, when the air bag bulges, the air bag can close the gap between the outer sleeve and the air passage, and further, the patient can be effectively prevented from inhaling by mistake.

In some embodiments, the tracheostomy tube further comprises an inflation tube, a suction tube and a drum, the air bag is communicated with the inflation tube, the drum is sleeved on the outer sleeve and located on the inner side of the air bag, the side wall of the drum is provided with a grating, the inside of the drum is a cavity, and the suction tube is inserted into the inside or the inner side of the grating. Therefore, the utility model is provided with the drum barrel and the suction tube, and can suck out the mistaken suction objects which cannot be automatically removed on the air bag through the negative pressure effect, thereby avoiding blockage; in addition, set up the grid on the drum barrel, soft tissue can not block the passageway on the grid when adopting negative pressure to attract the mistake to inhale the thing, avoids producing the circumstances that inhales the mistake and inhale the thing inefficacy because of the jam to reach smooth and easy suction mistake and inhale the effect of inhaling the thing, promoted the mistake and cleaing away.

In some embodiments, the grille is formed of a plurality of apertures, and the drum is provided with circular holes for passing through the suction tube. Thus, the round hole of the drum is used for penetrating the suction tube, so that one end part of the suction tube is positioned in the inner cavity of the drum; because the grille is arranged on the outer wall (curved surface) of the drum barrel, the grille is arched (arc-shaped), has no edges and corners and can not stimulate the soft tissue mucosa of the trachea.

In some embodiments, the guide comprises a rod-shaped body of titanium alloy, and a nose and a pinch grip disposed at each end of the rod-shaped body. Therefore, the guide piece can be bent, the outer sleeve can be deformed by inserting the guide piece into the outer sleeve, the outer sleeve is assisted to be placed into a trachea, the guide effect can be achieved, and the blocking can be tested through the raised head when a patient is improved or recovered.

In some embodiments, the inner sleeve and the first fixing portion of the outer sleeve may be made of hard siliconized PVC material, and the first tube portion of the outer sleeve may be a silicone tube.

The utility model has the beneficial effects that:

the utility model provides a tracheotomy sleeve with a novel structure, wherein the inner sleeve of the tracheotomy sleeve is detachably sleeved in the outer sleeve and can prop open the outer sleeve, so that the tracheotomy sleeve is of a sleeve structure with adjustable pipe diameter, and can replace inner sleeves with different specifications according to the change of disease conditions, and the outer sleeve is not required to be taken out, so that the risk of pipe removal is reduced, the inner sleeve is convenient to replace, can be taken out and cleaned, and the sputum crust blockage is effectively avoided; in addition, the guide piece can guide the extension direction of the outer sleeve, so that the requirement of no use is met.

The outer sleeve can be provided with an air bag, and the air bag can close a gap between the outer sleeve and the air passage when being swelled, so that the error inhalation of a patient can be effectively avoided.

The inflatable tube, the suction tube and the drum can be arranged, the air bag is communicated with the inflatable tube, and the drum and the suction tube are arranged, so that the mistaken suction objects which cannot be automatically removed on the air bag can be sucked out through the negative pressure effect, and the blockage is avoided; in addition, set up the grid on the drum barrel, soft tissue can not block the passageway on the grid when adopting negative pressure to attract the mistake to inhale the thing, avoids producing the circumstances that inhales the mistake and inhale the thing inefficacy because of the jam to reach smooth and easy suction mistake and inhale the effect of inhaling the thing, promoted the mistake and cleaing away.

Drawings

Fig. 1 is a schematic perspective view of an outer sleeve and an inner sleeve of a tracheostomy tube according to embodiment 1 of the present utility model;

FIG. 2 is a schematic perspective view of an outer sleeve of the tracheostomy tube of FIG. 1;

FIG. 3 is a schematic perspective view of the inner sleeve of the tracheostomy tube of FIG. 1;

fig. 4 is a schematic perspective view of the outer sleeve and the guide of embodiment 1 of the tracheostomy tube of the present utility model;

FIG. 5 is a schematic perspective view of the guide of the tracheostomy tube of FIG. 4;

FIG. 6 is a simplified cross-sectional schematic view of the outer sleeve of the tracheostomy tube of FIG. 1;

fig. 7 is a schematic perspective view of an outer sleeve of a tracheostomy tube according to embodiment 2 of the utility model;

fig. 8 is a schematic perspective view of the outer sleeve and the inner sleeve of the tracheostomy tube according to embodiment 3 of the present utility model;

fig. 9 is a schematic perspective view of a tracheostomy tube according to embodiment 4 of the utility model;

fig. 10 is a schematic perspective view of the drum of the tracheostomy tube of fig. 9.

Reference numerals in fig. 1 to 10: 1-an outer sleeve; 2-an inner sleeve; 3-a guide; 4-an air bag; 5-drum; 6, an inflation tube; 7-a suction tube; 11-a first pipe section; 12-a first fixing part; 21-a second tube portion; 22-a second fixing part; 31-a rod-shaped body; 32-raised heads; 33-pinching the handle; 51-grating; 52-round holes; 111-a first central passage; 211-a second central passage; 121-positioning holes; 122-positioning grooves; 123-mounting holes; 221-positioning piece; 511-aperture.

Detailed Description

The utility model will be described in further detail with reference to the accompanying drawings and specific examples.

Example 1

Figures 1-6 schematically illustrate a tracheostomy tube according to one embodiment of the utility model.

As shown in fig. 1 to 6, the tracheotomy tube comprises an outer tube 1, an inner tube 2 and a guide 3, wherein a first central channel 111 is formed in the outer tube 1, a second central channel 211 is formed in the inner tube 2, the outer tube 1 is a soft plastic tube, the inner tube 2 is a hard tube with hardness larger than that of the outer tube 1, the inner tube 2 can be sleeved in the first central channel 111 of the outer tube 1, and the size of the first central channel 111 can be changed along with the change of the outer diameter, and the change is mainly that the outer tube 1 is enlarged by the inner tube 2. The guide 3 cooperates with the outer sleeve 1, one end of which can extend into the first central channel 111 and deform the outer sleeve 1, which deformation mainly bends the outer sleeve 1.

The outer sleeve 1 comprises a first tube portion 11 and a first fixing portion 12, the first tube portion 11 being mounted to the first fixing portion 12 and extending in a direction away from the first fixing portion 12. The first fixing portion 12 is thereby used to fix the outer cannula 1 to the patient, and the first tube portion 11 is used to extend into the patient's airway.

The inner sleeve 2 comprises a second tube portion 21 and a second fixing portion 22, the second tube portion 21 being mounted to the second fixing portion 22 and extending in a direction away from the second fixing portion 22. The second fixing portion 22 thereby serves to fix the inner sleeve 2, and the second tube portion 21 serves to extend into the first central passage 111 to complete the support of the first tube portion 11.

The first fixing portion 12 is provided with a positioning hole 121 or a positioning groove 122, and the second fixing portion 22 is provided with a positioning piece 221 matched with the positioning hole 121 or the positioning groove 122;

alternatively, the first fixing portion 12 is provided with a positioning member 221, and the second fixing portion 22 is provided with a positioning hole 121 or a positioning groove 122 that is matched with the positioning member 221.

Thereby, a fast assembly of the inner sleeve 2 and the outer sleeve 1 can be achieved.

Preferably, the upper end surface of the first fixing portion 12 of the present embodiment is provided with a plurality of positioning holes 121, and the bottom of the second fixing portion 22 is provided with positioning pieces 221 matching with the positioning holes 121; the positioning member 221 is a positioning post.

The first fixing portion 12 is provided with a mounting hole 123. Thus, the outer sleeve 1 can be mounted by engaging the mounting hole 123 with a rope or the like.

The guide 3 includes a rod-shaped body 31 of titanium alloy, and a boss 32 and a pinching handle 33 provided at both end portions of the rod-shaped body 31, respectively. Therefore, the guide piece 3 can be bent, the guide piece 3 can be inserted into the outer sleeve 1, so that the outer sleeve 1 is deformed, the outer sleeve 1 is assisted to be placed into a trachea, the guiding effect can be achieved, and the blocking test can be performed through the raised head 32 when a patient is improved or recovered.

The length of the guide 3 is longer than the outer sleeve 1, and the nose 32 can protrude beyond the end of the outer sleeve 1 when the outer sleeve 1 is guided.

Preferably, the inner sleeve 2 and the first fixing portion 12 of the outer sleeve 1 may be made of hard siliconized PVC, and the first tube portion 11 of the outer sleeve 1 may be a silicone tube.

The utility model provides a tracheotomy tube with a novel structure, wherein an inner tube 2 of the tracheotomy tube is detachably sleeved in an outer tube 1 and can prop open the outer tube 1, so that the tracheotomy tube is of a tube structure with adjustable tube diameter, and the inner tubes 2 with different specifications can be replaced according to the change of the state of an illness, and the outer tube 1 is not required to be taken out, so that the risk of tube detachment is reduced, the inner tube 2 is convenient to replace, can be taken out and cleaned, and the blockage of sputum crust is effectively avoided; in addition, the guide piece 3 can guide the extension direction of the outer sleeve 1, so that the requirement of no use is met.

Example 2

Fig. 7 schematically illustrates a tracheostomy tube according to another embodiment of the utility model.

The tracheostomy tube has substantially the same structure as in example 1, except that: the tracheostomy tube of this embodiment further comprises a balloon 4.

As shown in fig. 7, the balloon 4 is sleeved on the outer sleeve 1. The air bag 4 can be connected with an external air supply source through a pipeline to realize swelling or shrinkage. Therefore, when the air bag 4 bulges, the gap between the outer sleeve 1 and the air passage can be closed, and further, the patient can be effectively prevented from inhaling by mistake.

Example 3

Fig. 8 schematically illustrates a tracheostomy tube according to another embodiment of the utility model.

As shown in fig. 8, the tracheostomy tube has substantially the same structure as in embodiment 1, except that: the first fixing portion 12 is different in structure.

As shown in fig. 8, an annular positioning groove 122 is formed on the upper end surface of the first fixing portion 12 in the present embodiment, and a positioning member 221 matched with the positioning hole 121 is formed on the bottom of the second fixing portion 22; the positioning member 221 is an annular protrusion that mates with the positioning groove 122.

Example 4

Fig. 9-10 schematically illustrate a tracheostomy tube according to yet another embodiment of the utility model.

As shown in fig. 9 to 10, the tracheostomy tube has substantially the same structure as in example 2, except that: the tracheostomy tube of this embodiment further comprises an inflation tube 6, a suction tube 7 and a drum 5.

As shown in fig. 9, the air bag 4 of the present embodiment is connected to the inflation tube 6, the drum 5 is sleeved on the outer sleeve 1 and located at the inner side of the air bag 4, the side wall of the drum 5 is provided with a grating 51, the inside of the drum 5 is a cavity, and the suction tube 7 is inserted into the inside or inner side of the grating 51. Therefore, the utility model is provided with the drum 5 and the suction tube 7, and can suck out the mistaken suction objects which cannot be automatically cleared on the air bag 4 through the negative pressure effect, thereby avoiding blockage; in addition, set up grid 51 on the drum 5, soft tissue can not block the passageway on grid 51 when adopting negative pressure to attract the mistake to inhale the thing, avoids producing the circumstances that sucks the mistake and inhale the thing inefficacy because of the jam to reach smooth and easy suction mistake and inhale the thing effect that has promoted and has cleared the mistake and inhale the thing.

The grille 51 is constituted by a plurality of apertures 511, and the drum 5 is provided with circular holes 52 for the suction tube 7 to pass through. Thereby, the round hole 52 of the drum 5 is used for penetrating the suction tube 7, so that one end part of the suction tube 7 is positioned in the inner cavity of the drum 5; since the grille 51 is opened to the outer wall (curved surface) of the drum 5, the grille 51 is arched (circular arc shape) without corners, and does not irritate the tracheal soft tissue mucosa.

The side wall of the outer sleeve 1 is attached with an inflation tube 6 and a suction tube 7, and the inflation tube 6 and the suction tube 7 penetrate through the fixing plate 2.

As shown in fig. 10, the two ports of the drum 5 are circular, and the inside of the drum 5 is a cavity. The port diameter of the drum 5 is adapted to the outer diameter of the outer sleeve 1. The grille 51 is composed of more than 2 holes 511, the round holes 52 are of a through structure, the grille 51 is close to the air bag 4, and the grille 51 is used for blocking soft tissues. After the drum 5 is assembled with the insertion end of the outer sleeve 1, a storage chamber is formed between the inner wall of the drum 5 and the outer wall of the outer sleeve 1, and the storage chamber is communicated with the suction tube 7. Since the grille 51 is opened at the curved surface (curved wall) of the drum 5, the grille 51 is arched (circular arc shape) without corners, and does not irritate the tracheal soft tissue mucosa.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims

1. The utility model provides a tracheotomy sleeve pipe, its characterized in that, includes outer tube (1), interior sleeve pipe (2) and guide (3), first central passageway (111) have been seted up to outer tube (1), second central passageway (211) have been seted up to interior sleeve pipe (2), outer tube (1) are soft plasticity sleeve pipe, interior sleeve pipe (2) are hardness is greater than the stereoplasm sleeve pipe of outer tube (1), interior sleeve pipe (2) can suit in first central passageway (111) of outer tube (1), and can make the size of first central passageway (111) follows its external diameter size and changes, guide (3) with outer tube (1) cooperate, its one end can stretch into to in first central passageway (111), and make outer tube (1) warp.

2. Tracheostomy tube according to claim 1, characterized in that the outer sleeve (1) comprises a first tube part (11) and a first fixation part (12), the first tube part (11) being mounted to the first fixation part (12) and extending in a direction away from the first fixation part (12).

3. Tracheostomy tube according to claim 2, characterised in that the inner sleeve (2) comprises a second tube portion (21) and a second fixation portion (22), the second tube portion (21) being mounted to the second fixation portion (22) and extending in a direction away from the second fixation portion (22).

4. A tracheostomy tube according to claim 3, wherein the first fixing section (12) is provided with a positioning hole (121) or a positioning groove (122), and the second fixing section (22) is provided with a positioning piece (221) matching with the positioning hole (121) or the positioning groove (122);

or, a positioning piece (221) is arranged on the first fixing part (12), and a positioning hole (121) or a positioning groove (122) matched with the positioning piece (221) is arranged on the second fixing part (22).

5. Tracheostomy tube according to any one of claims 2 to 4, characterised in that the first fixing section (12) is provided with mounting holes (123).

6. Tracheostomy tube according to any one of claims 1 to 4, further comprising a balloon (4), the balloon (4) being sheathed on the outer sleeve (1).

7. The tracheostomy tube of claim 6, further comprising an inflation tube (6), a suction tube (7) and a drum (5), wherein the balloon (4) is communicated with the inflation tube (6), the drum (5) is sleeved on the outer sleeve (1) and located on the inner side of the balloon (4), a grating (51) is arranged on the side wall of the drum (5), the inside of the drum (5) is a cavity, and the suction tube (7) is inserted into the inside or the inner side of the grating (51).

8. Tracheostomy tube according to claim 7, characterised in that the grille (51) is constituted by a plurality of apertures (511), the drum (5) being provided with circular holes (52) for threading the suction tube (7).

9. A tracheostomy tube according to any one of claims 1 to 4, wherein the guide member (3) comprises a rod-shaped body (31) of titanium alloy, and a nose (32) and a pinching handle (33) provided at both ends of the rod-shaped body (31), respectively.