CN218552856U - Tracheal cannula - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, a tracheal cannula is disclosed, including outer tube, interior sleeve pipe, chuck, connection cap and tube core, the outer tube adopts metal or silica gel to make, interior sleeve pipe adopts silica gel to make, outer tube detachably cover is located outside the endotheca pipe, tube core detachably with interior bushing connection locates interior sheathed tube inside, the chuck cover is located the upper end of outer tube, the connection cap cover is located interior sheathed tube upper end and with interior sleeve pipe rotates to be connected, the connection cap with chuck detachably connects. The utility model discloses tracheal cannula can adapt to different machining error's inside and outside sheathed tube installation, and is good to the interior sheathed tube wildcard nature of difference.

Description

Tracheal cannula

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a tracheal cannula.

Background

Tracheal tubes are tools that are placed into the anterior wall of the neck trachea through a tracheotomy, allowing the patient to breathe through the re-established passageway. The tracheal cannula is generally divided into a plastic type and a metal type, the plastic tracheal cannula is generally disposable, has short service life, needs to be replaced frequently, and is not suitable for patients needing to retain the tracheal cannula for a long time. The metal type tracheal cannula is provided with an inner cannula and an outer cannula, the outer cannula can be kept in the body of a patient, the inner cannula can be disassembled, replaced and disinfected, and another inner cannula can be inserted into the outer cannula kept in the body of the patient during disinfection of the inner cannula, so that the metal type tracheal cannula is suitable for the patient needing to keep the tracheal cannula.

However, because there is always a certain error in the processing of the inner and outer sleeves of the metal tracheal tube, the outer sleeve which is left on the patient in a different inner sleeve fitting manner often has insufficient assembly precision, so that the inner sleeve is difficult to be matched with the outer sleeve when the inner sleeve is replaced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: different inner sleeves and outer sleeves left on the body of a patient are difficult to match the replaced inner sleeves and the replaced outer sleeves when the inner sleeves are disinfected due to assembly errors.

In order to solve the technical problem, the utility model provides a tracheal cannula, including outer tube, interior sleeve pipe, chuck, connection cap and tube core, the outer tube adopts metal or silica gel to make, interior sleeve pipe adopts silica gel to make, outer tube detachably cover is located outside the endotheca pipe, tube core detachably with interior bushing connection locates interior sheathed tube inside, the chuck cover is located the upper end of outer tube, the connection cap cover is located interior sheathed tube upper end and with interior sleeve pipe rotates the connection, the connection cap with chuck detachably connects.

Further, the outer sleeve, the inner sleeve and the tube core are respectively arc-shaped.

Furthermore, the lower extreme of connecting the cap is equipped with the edge connect the flange that the edge of cap extends, be equipped with the draw-in groove on the flange, the upper surface of chuck is equipped with the fixture block, the fixture block with the draw-in groove joint.

Furthermore, two lacing holes which are oppositely arranged are arranged on the chuck.

Furthermore, the tube core comprises a core head, a core rod and a core cap which are connected in sequence.

Furthermore, the tracheal tube also comprises a tube plug connected with the connecting cap.

Furthermore, the pipe plug comprises a plug body and an edge covering connected with the plug body, the plug body extends into the opening of the connecting cap, and the edge covering is sleeved on the peripheral surface of the connecting cap.

Furthermore, a concave ring is arranged on the outer peripheral surface of the connecting cap, and a convex ring matched with the concave ring is arranged on the inner wall surface of the wrapping edge.

Furthermore, a first air dispersing hole is formed in the wall surface of the lower end of the outer sleeve, and a second air dispersing hole corresponding to the first air dispersing hole is formed in the wall surface of the lower end of the inner sleeve.

Further, the first air dispersing holes are provided with a plurality of air dispersing holes which are distributed circumferentially.

Compared with the prior art, the tracheal cannula provided by the technical scheme has the beneficial effects that: put into the human body through the outer tube that will adopt metal or silica gel to make, interior sleeve pipe adopts the silica gel material to make, certain elastic deformation performance has, the installation of the equal adaptable outer tube of interior sleeve pipe of different machining errors, and conveniently clear up and disinfect, when the outer tube was made for the metal, the less easy to assemble of frictional force between the interior sleeve pipe of the outer tube of metal and silica gel, and it is good to the leading to joining in marriage nature of metal outer tube, put into the outer tube with the interior sleeve pipe of other replacements easily when changing to the inner tube disinfection and cooperate rather than in the outer tube.

Drawings

Fig. 1 is a schematic structural view of a tracheal cannula according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a chuck according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a connection cap according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a plug according to an embodiment of the present invention.

Wherein, 1-outer sleeve, 11-first air-diffusing hole, 2-inner sleeve, 21-second air-diffusing hole, 3-chuck, 31-clamping block, 32-tying hole, 4-connecting cap, 41-flange, 42-clamping groove, 43-concave ring, 5-tube core, 51-core head, 52-core rod, 53-core cap, 6-tube plug, 61-plug body, 62-edge covering and 63-convex ring.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. in the present invention are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 4, the utility model provides a trachea cannula of preferred embodiment, including outer tube 1, interior sleeve pipe 2, chuck 3, connection cap 4 and tube core 5, outer tube 1 adopts plastics to make, interior sleeve pipe 2 adopts the metal to make, outer tube 1 detachably cover is located outside interior sleeve pipe 2, tube core 5 detachably is connected with interior sleeve pipe 2 and is located the inside of sleeve pipe 2, the upper end of outer tube 1 is located to chuck 3 cover, connect cap 4 cover locate the upper end of interior sleeve pipe 2 and rotate with interior sleeve pipe 2 and be connected, connect cap 4 with chuck 3 detachably connects.

Based on above-mentioned scheme, it is internal to put into the human body through the outer tube 1 that will adopt metal or silica gel to make, interior sleeve pipe 2 adopts the silica gel material to make, certain elastic deformation performance has, the installation of the equal all adaptable outer tube 1 of interior sleeve pipe 2 of different machining error, and conveniently clear up and disinfect, when outer tube 1 was made for the metal, the less easy to assemble of frictional force between the interior sleeve pipe 2 of the outer tube 1 of metal and silica gel, different interior sleeve pipe 2 is good to the general compatibility of metal outer tube 1, put into outer tube 1 with the interior sleeve pipe 2 of other replacements easily when changing the disinfection of inner tube 2 in rather than the cooperation.

Specifically, the connecting cap 4 is used for being connected with an external respirator, and the respirator ventilates the human body through the inner sleeve 2; the tube core 5 is arranged in the inner tube before the tracheal cannula is used, so that the tracheal cannula can conveniently penetrate through soft tissues of the skin of a patient, and the tube core 5 is taken out after the tracheal cannula is placed in a human body, so that the patient can smoothly breathe.

As shown in fig. 1, the outer sleeve 1, the inner sleeve 2 and the tube core 5 are respectively arc-shaped, specifically quarter arc-shaped, so that the tracheal tube can be conveniently bent and inserted into the trachea of a patient and can be attached to the trachea of the patient, thereby avoiding air leakage in the using process of the respirator.

As shown in fig. 1 and 3, in the present embodiment, a flange 41 extending along an edge of the connecting cap 4 is disposed at a lower end of the connecting cap 4, a locking groove 42 is disposed on the flange 41, a locking block 31 is disposed on an upper surface of the chuck 3, and the locking block 31 is locked with the locking groove 42. During installation, after the inner sleeve 2 is inserted into the outer sleeve 1, the connecting cap 4 is rotated to enable the clamping groove 42 to be aligned to the clamping block 31 for clamping connection, and installation and fixation are facilitated.

As shown in fig. 2, in order to make the tracheal cannula more stable after being inserted into the human body, two opposite tying holes 32 are formed in the chuck 3, and a tying band is passed through the two tying holes 32 and tied to the back neck of the patient to prevent the tracheal cannula from moving.

Specifically, as shown in fig. 1, the tube core 5 comprises a core print 51, a core rod 52 and a core cap 53 which are connected in sequence, wherein the core print 51 is in a bullet-shaped structure, so as to conveniently penetrate through the soft tissue of the human body, prevent the soft tissue of the human body from entering the inner cavity of the inner sleeve 2 during intubation to increase friction force, and reduce the damage to the patient; the core cap 53 is detachably connected with the connecting cap 4, and the core 5 is taken out after the inner sleeve 2 is inserted; the curvature of the core rod 52 is the same as that of the inner jacket tube 2.

As shown in fig. 4, the tracheal cannula of this embodiment further includes a tube plug 6 connected to the connection cap 4, specifically, the tube plug 6 is detachably connected to the connection cap 4, and the tube plug 6 is used for plugging the tracheal cannula when the patient tries to plug the tube before drawing the tube, and then drawing the tube after the trial plugging is successful.

As shown in fig. 4, in the present embodiment, the pipe plug 6 includes a plug body 61 and a covered edge 62 connected to the plug body 61, the plug body 61 extends into the opening of the connecting cap 4, and the covered edge 62 is fitted over the outer circumferential surface of the connecting cap 4. The edge 62 and the plug body 61 are connected to the inner side and the outer side of the connecting cap 4, and the connection is stable.

Further, as shown in fig. 4, a concave ring 43 is provided on the outer circumferential surface of the connecting cap 4, a convex ring 63 matching with the concave ring 43 is provided on the inner wall surface of the covering edge 62, and after the pipe plug 6 is connected with the connecting cap 4, the convex ring 63 is placed in the concave ring 43, thereby further increasing the stability of the connection. Specifically, the pipe plug 6 is made of rubber materials, has certain elastic deformation capacity and is convenient to install.

As shown in fig. 1, in the present embodiment, the wall surface of the lower end of the outer tube 1 is provided with first air-diffusing holes 11, and the wall surface of the lower end of the inner tube 2 is provided with second air-diffusing holes 21 corresponding to the first air-diffusing holes 11. The gas can enter the human body after passing through the second air dispersing holes 21 and the first air dispersing holes 11 at the lower end of the tracheal cannula, and not only flows out from the opening at the lower end of the inner cannula 2; the second air-dispersing holes 21 and the first air-dispersing holes 11 are provided to improve the uniformity of air entering the human body.

The number of the first air dispersing holes 11 is three, and the first air dispersing holes 11 are uniformly distributed around the axis of the outer sleeve 1 in the circumferential direction, and correspondingly, the number of the second air dispersing holes 21 is also three.

To sum up, the embodiment of the utility model provides a tracheal cannula conveniently clears up and disinfect to inner cannula 2, and interior sleeve pipe 2 of silica gel material has certain elastic deformation performance, can adapt to the installation of outer tube 1, and interior sleeve pipe 2 of difference is good to outer sleeve pipe 1's logical joining in marriage nature.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (7)

1. A tracheal cannula is characterized by comprising an outer cannula, an inner cannula, a chuck, a connecting cap and a tube core, wherein the outer cannula is made of metal or silica gel, the inner cannula is made of silica gel, the outer cannula is detachably sleeved outside the inner cannula, the tube core is detachably connected with the inner cannula and arranged inside the inner cannula, the chuck is sleeved at the upper end of the outer cannula, the connecting cap is sleeved at the upper end of the inner cannula and rotatably connected with the inner cannula, and the connecting cap is detachably connected with the chuck;

the pipe plug is connected with the connecting cap;

the pipe plug comprises a plug body and a covered edge connected with the plug body, the plug body extends into the opening of the connecting cap, and the covered edge is sleeved on the peripheral surface of the connecting cap;

the outer peripheral surface of the connecting cap is provided with a concave ring, and the inner wall surface of the covered edge is provided with a convex ring matched with the concave ring.

2. The tracheal tube of claim 1, wherein the outer tube, the inner tube, and the tube core are each arcuate.

3. The tracheal cannula according to claim 1, wherein the lower end of the connection cap is provided with a flange extending along the edge of the connection cap, the flange is provided with a clamping groove, the upper surface of the chuck is provided with a clamping block, and the clamping block is clamped with the clamping groove.

4. The tracheal tube of claim 1 wherein the chuck has two oppositely disposed tether holes.

5. The tracheal tube of claim 1 wherein said tubular core comprises a core head, a core rod, and a core cap, connected in series.

6. The tracheal tube of claim 1, wherein the outer tube has a first air diffusing hole on the wall of the lower end thereof, and the inner tube has a second air diffusing hole on the wall of the lower end thereof corresponding to the first air diffusing hole.

7. The tracheal tube of claim 6 wherein said first plurality of air holes is circumferentially spaced.

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