CN221130669U

CN221130669U - Bite-preventing trachea cannula tooth pad

Info

Publication number: CN221130669U
Application number: CN202322180143.2U
Authority: CN
Inventors: 杨永锋; 邝嘉敏
Original assignee: Sun Yat Sen University Cancer Center
Current assignee: Sun Yat Sen University Cancer Center
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-06-14
Anticipated expiration: 2033-08-14

Abstract

The utility model relates to the technical field of bite-blocks and discloses an anti-bite tracheal intubation bite-block, which comprises a bite-block body, wherein a plurality of clamping pieces are fixedly connected to the inner wall of the bite-block body, a catheter is connected between the clamping pieces, one side, away from the clamping pieces, of the bite-block body is connected with two limiting assemblies, a catheter is connected between the two limiting assemblies, and the other end of the catheter penetrates through the bite-block body and is positioned against the clamping pieces. This kind of prevent trachea cannula bite-block of bite through setting up a plurality of clamping pieces and pipe in the inside of bite-block body to set up spacing subassembly in the outside of bite-block body, when the inside at the pipe insertion bite-block body, can be in the centre by a plurality of clamping pieces centre gripping, because have certain extrusion force and frictional force between the inside part of bite-block body and a plurality of clamping pieces of pipe, and the pipe is located the one end of bite-block body outer wall and can be spacing by spacing subassembly again, makes the pipe unable follow the outside landing in patient's oral cavity, labour saving and time saving.

Description

Bite-preventing trachea cannula tooth pad

Technical Field

The utility model relates to the technical field of bite-blocks, in particular to an anti-bite trachea cannula bite-block.

Background

The trachea cannula tooth pad is fixed on the teeth of the oral cavity together with the catheter of the trachea cannula. The trachea cannula is a method for placing a catheter into trachea or bronchus to provide oxygen and promote the respiratory tract to be unobstructed, and the bite block aims at preventing a patient from biting the catheter, placing the catheter at the center of an oral cavity, placing the bite block between upper molar teeth and lower molar teeth, and fixing the catheter and the bite block by using rubberized fabric.

The patent with the publication number of CN208741687U is searched and authorized to disclose a dental pad for an endoscope operation cannula, which comprises a fixed cover piece and a hollow pressure-bearing column which are integrally manufactured, wherein the fixed cover piece is arranged into an arc shape matched with the oral cavity structure of a human body, and the hollow pressure-bearing column is fixedly connected to the middle position of the fixed cover piece; two ends of the fixed cover piece are respectively provided with a perforation for the anesthesia cannula to pass through, and the perforation is abutted against the hollow pressure-bearing column; the two sides of the hollow pressure-bearing column, which are respectively close to the perforation, are inwards recessed to form an arc-shaped guide groove matched with the outer wall of the cannula; the device also comprises an elastic belt, wherein two ends of the elastic belt are respectively fixedly or adjustably connected to the two perforations. According to the utility model, the fixing cover piece and the hollow pressure-bearing column are arranged on the bite block, so that the fixing effect of the bite block for a patient is better, the perforation is arranged on the fixing cover piece for the anesthesia cannula to pass through and fix, and the arc-shaped guide groove matched with the outer wall of the anesthesia cannula is arranged on the hollow pressure-bearing column, so that the bite block has the advantages of good guiding performance and good fixing effect.

However, the above-mentioned conventional bite block still has the following problems:

the prior trachea cannula tooth pad and the prior trachea cannula tooth pad are separated, have no connectivity, are only stuck on the face of a patient through adhesive tapes, are easy to have unstable connection, and even influence the breathing of the patient in operation.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the bite-preventing trachea cannula dental pad, and medical staff can have a certain extrusion force between the dental pad body and the catheter after putting the dental pad body and the catheter into the oral cavity of a patient, so that the dental pad body and the catheter are connected more stably.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an prevent trachea cannula bite-block of bite-block, including the bite-block body, the inner wall fixedly connected with of bite-block body is a plurality of clamping pieces, be connected with the pipe between a plurality of clamping pieces, one side that the clamping piece was kept away from to the bite-block body is connected with two spacing subassemblies, be connected with the pipe between two spacing subassemblies, the other end of pipe runs through the bite-block body and is located a plurality of clamping pieces and offset, two spacing subassemblies all include the shell, spacing ring and two elastic component, one side of two shells all is kept away from one side fixed connection of clamping piece with the bite-block body, accomodate the chamber has all been seted up to one side adjacent to two shells, the outer wall of spacing ring and the inner wall sliding connection who accomodates the chamber, the both ends of spacing ring are connected with two elastic component respectively, the same one side that the elastic component was kept away from to the spacing ring is all run through the shell with the pipe connection, two elastic component all include extrusion spring and slide bar, the same end of two extrusion spring and two slide bar respectively with spacing ring's both ends fixed connection, two extrusion spring all are connected with accomodate the chamber, and two extrusion spring cover respectively and establish at two slide bar outer walls, the other end that the slide bar is kept away from the shell.

Further, one end of the two sliding rods penetrating through the shell is fixedly connected with a pull rod.

Further, the middle part fixedly connected with pull ring of pull rod.

Further, the outer wall of the catheter is provided with a plurality of limit grooves, and one side of the limit ring, which is far away from the shell, is propped against the limit grooves.

Further, spring cavities are formed in two sides of the storage cavity, the two elastic assemblies are located in the two spring cavities respectively, and one end, away from the limiting ring, of the extrusion spring is fixedly connected with the top surface of the spring cavity.

Compared with the prior art, the utility model has the following beneficial effects:

This kind of prevent trachea cannula bite-block of bite through setting up a plurality of clamping pieces and pipe in the inside of bite-block body to set up spacing subassembly in the outside of bite-block body, when the inside at the pipe insertion bite-block body, can be in the centre by a plurality of clamping pieces centre gripping, because have certain extrusion force and frictional force between the inside part of bite-block body and a plurality of clamping pieces of pipe, and the pipe is located the one end of bite-block body outer wall and can be spacing by spacing subassembly again, makes the pipe unable follow the outside landing in patient's oral cavity, labour saving and time saving.

Drawings

FIG. 1 is a schematic view of the overall appearance of the present utility model;

FIG. 2 is a schematic view of the whole appearance of another view angle of the present utility model;

FIG. 3 is an exploded view of the present utility model based on FIG. 2;

FIG. 4 is an exploded view of the spacing assembly and the elastic assembly of the present utility model;

FIG. 5 is a schematic cross-sectional view of a spacing assembly and an elastic assembly of the present utility model;

Fig. 6 is an exploded view of the present utility model based on fig. 5.

In the figure: 1. a bite-block body; 2. a conduit; 201. a limit groove; 3. a housing; 301. a spring cavity; 302. a storage chamber; 4. a pull rod; 5. a pull ring; 6. a clamping piece; 7. a limiting ring; 8. extruding a spring; 9. and a slide bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-6, an anti-bite trachea cannula bite-block comprises a bite-block body 1, wherein a plurality of clamping pieces 6 are fixedly connected to the inner wall of the bite-block body 1, a catheter 2 is connected between the clamping pieces 6, one side, away from the clamping pieces 6, of the bite-block body 1 is connected with two limiting assemblies, a catheter 2 is connected between the two limiting assemblies, and the other end of the catheter 2 penetrates through the bite-block body 1 and is located against the clamping pieces 6.

The bite-preventing dental pad for the tracheal cannula has a similar structure to the existing dental pad for the tracheal cannula, and the dental pad for the endoscopic surgery disclosed in the patent with the publication number of CN208741687U is mainly improved in that: after the dental pad body 1 and the catheter 2 are placed in the oral cavity of a patient, medical staff can have certain extrusion force between the dental pad body 1 and the catheter 2, so that the dental pad body 1 and the catheter 2 are connected more stably. As shown in fig. 1 to 6, when the bite-preventing trachea cannula bite-block of the present utility model is used, firstly, disinfection and other works are performed according to the procedure of performing an operation, then the catheter 2 is inserted from the oral cavity of a patient, then one end of the catheter 2 positioned outside is connected with other external medical equipment and the like, while the catheter 2 is inserted, the bite-block body 1 is inserted into the oral cavity of the patient together, and because the oral cavity depth of each patient is different, at this time, two limiting components on the bite-block body 1 positioned outside the oral cavity can be separated from the catheter 2, and then the catheter 2 is pulled out along the interior of the bite-block body 1 for a distance or inserted for a distance to complete adjustment; and when the pipe 2 inserts inside the bite-block body 1, because the inside clamping piece 6 that is provided with a plurality of slopes of bite-block body 1, when pipe 2 is located the bite-block body 1, the outer wall of pipe 2 can offset with a plurality of clamping pieces 6 to can be held in the centre by a plurality of clamping pieces 6, because pipe 2 is located the inside part of bite-block body 1 and has certain extrusion force and frictional force between a plurality of clamping pieces 6, and pipe 2 is located the one end of bite-block body 1 outer wall and can be spacing by spacing subassembly again for pipe 2 can't outwards slide from the patient's oral cavity, labour saving and time saving.

As shown in fig. 1-6, the two limiting assemblies comprise a housing 3, a limiting ring 7 and two elastic assemblies, one sides of the two housings 3 are fixedly connected with one side of the bite-block body 1, which is far away from the clamping piece 6, the adjacent sides of the two housings 3 are provided with a storage cavity 302, the outer wall of the limiting ring 7 is slidably connected with the inner wall of the storage cavity 302, two ends of the limiting ring 7 are respectively connected with the two elastic assemblies, the same ends of the two elastic assemblies penetrate through the housing 3, and one side of the limiting ring 7, which is far away from the elastic assemblies, is connected with the guide pipe 2.

More specifically, when the position of the guide tube 2 and the bite block body 1 is directly required to be adjusted, the elastic components penetrating through the housing 3 on both sides of the stop collar 7 are lifted upwards, and the stop collar 7 slides upwards in the accommodating cavity 302 while being lifted upwards, so that the connection between the stop collar 7 and the guide tube 2 can be canceled.

As shown in fig. 4-6, the two elastic components comprise extrusion springs 8 and slide bars 9, the same ends of the two extrusion springs 8 and the two slide bars 9 are fixedly connected with two ends of the limiting ring 7 respectively, the other ends of the two extrusion springs 8 are connected with the storage cavity 302, the two extrusion springs 8 are sleeved on the outer walls of the two slide bars 9 respectively, and the other ends of the two slide bars 9 away from the limiting ring 7 penetrate through the shell 3.

More specifically, when the position of the catheter 2 and the bite block body 1 is directly required to be adjusted, the two sliding rods 9 are pulled upwards firstly, and the two sliding rods 9 slide upwards together with the lower limiting ring 7, so that the extrusion spring 8 is compressed, after the position is adjusted, the sliding rods 9 are released, and the sliding rods 9 push the limiting ring 7 back to the original position under the driving of the extrusion spring 8 to be propped against the catheter 2 again.

As shown in fig. 1-6, two sliding rods 9 are fixedly connected with a pull rod 4 penetrating through one end of the shell 3. Two slide bars 9 can be pulled simultaneously by arranging the pull rod 4, which is more convenient.

As shown in fig. 1-6, the middle part of the pull rod 4 is fixedly connected with a pull ring 5. By providing the pull ring 5, the pull rod 4 can be pulled more conveniently.

As shown in fig. 1-3, the outer wall of the catheter 2 is provided with a plurality of limit grooves 201, and one side of the limit ring 7 away from the housing 3 abuts against the limit grooves 201. The limiting ring 7 is inserted into the limiting groove 201 to complete limiting, so that the guide tube 2 can be prevented from sliding in the dental pad body 1; it should be specifically noted that, the side of the limiting groove 201, which is close to the bite-block body 1, is a straight edge, and the side of the limiting groove, which is far away from the bite-block body 1, is a bevel edge, so that the step of pulling the limiting component is omitted when the catheter 2 is pushed inwards, and the catheter 2 cannot fall out under the propping action of the limiting ring 7 and the right-angle edge after the catheter 2 is connected with the bite-block body 1.

As shown in fig. 4-6, spring cavities 301 are formed on two sides of the storage cavity 302, two elastic components are respectively located in the two spring cavities 301, and one end, far away from the limiting ring 7, of the extrusion spring 8 is fixedly connected with the top surface of the spring cavity 301. By providing the spring cavity 301, the spring assembly can be made to be vertically upward, which is more convenient to pull.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent trachea cannula bite-block, includes bite-block body (1), its characterized in that: the inner wall fixedly connected with a plurality of clamping pieces (6) of the tooth cushion body (1), be connected with pipe (2) between a plurality of clamping pieces (6), one side that clamping piece (6) was kept away from to the tooth cushion body (1) is connected with two spacing subassemblies, be connected with pipe (2) between two spacing subassemblies, the other end of pipe (2) runs through tooth cushion body (1) and is located a plurality of clamping pieces (6) and offset, two spacing subassemblies all include shell (3), spacing ring (7) and two elastic subassemblies, one side of two shell (3) all keeps away from one side fixed connection of clamping piece (6) with tooth cushion body (1), accomodate chamber (302) have all been seted up to one side that two shell (3) are adjacent, the outer wall of spacing ring (7) and the inner wall sliding connection of accomodate chamber (302), the both ends of spacing ring (7) are connected with two elastic subassemblies respectively, the same one end of two elastic subassemblies all runs through shell (3), one side that spacing ring (7) was kept away from elastic subassemblies is connected with pipe (2), two elastic subassemblies all include extrusion spring (8) and slide bar (9), the both ends that two extrusion spring (8) and two extrusion ring (9) are the both ends of two extrusion ring (8) are connected with two slide bar (302) are the both ends of the same and are connected with two extrusion chamber (8 respectively, and two extrusion springs (8) are respectively sleeved on the outer walls of two sliding rods (9), and the other ends of the two sliding rods (9) far away from the limiting ring (7) penetrate through the shell (3).

2. An anti-bite tracheal cannula bite block as in claim 1, wherein: one end of the two sliding rods (9) penetrating through the shell (3) is fixedly connected with a pull rod (4).

3. An anti-bite tracheal cannula bite block as in claim 2, wherein: the middle part of the pull rod (4) is fixedly connected with a pull ring (5).

4. A bite-block tracheal cannula bite-block according to claim 1, 2 or 3, wherein: the outer wall of the guide pipe (2) is provided with a plurality of limit grooves (201), and one side, far away from the shell (3), of the limit ring (7) is propped against the limit grooves (201).

5. A bite-block tracheal cannula bite-block according to claim 1, 2 or 3, wherein: spring cavities (301) are formed in two sides of the storage cavity (302), two elastic assemblies are located in the two spring cavities (301) respectively, and one end, away from the limiting ring (7), of the extrusion spring (8) is fixedly connected with the top surface of the spring cavity (301).

6. An anti-bite tracheal cannula bite block as in claim 4, wherein: spring cavities (301) are formed in two sides of the storage cavity (302), two elastic assemblies are located in the two spring cavities (301) respectively, and one end, away from the limiting ring (7), of the extrusion spring (8) is fixedly connected with the top surface of the spring cavity (301).