CN218961523U

CN218961523U - Adjustable trachea cannula fixing device

Info

Publication number: CN218961523U
Application number: CN202221643852.9U
Authority: CN
Inventors: 张瑜; 郑莉
Original assignee: Anhui Provincial Hospital First Affiliated Hospital of USTC
Current assignee: Anhui Provincial Hospital First Affiliated Hospital of USTC
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2023-05-05
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses an adjustable trachea cannula fixing device which comprises an arc-shaped fixing plate and a fixing belt, wherein the arc-shaped fixing plate is connected with a sliding connecting seat which slides along an arc-shaped frame of the arc-shaped fixing plate and is fixed through fixing bolts, a cylindrical clamping sleeve is arranged on the sliding connecting seat, two rolling assemblies which are respectively contacted with teeth of the upper jaw and the lower jaw of a patient are symmetrically arranged on the cylindrical clamping sleeve, a catheter for fixing the trachea cannula is clamped inside the cylindrical clamping sleeve, the fixing bolts are used for fixing the position of the sliding connecting seat, the problems that the catheter of the trachea cannula is slipped and shifted are avoided, and the two sides of the cylindrical clamping sleeve are provided with carrier rollers which are contacted with the teeth, so that rolling friction is generated between the carrier rollers and the teeth when the sliding connecting seat is moved, the resistance of the sliding connecting seat is reduced, the damage to the patient caused by the excessive force pulling the catheter action of the trachea cannula is avoided, and the problems that the sliding friction is hard to cause the patient and the cylindrical clamping sleeve is worn are avoided.

Description

Adjustable trachea cannula fixing device

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an adjustable trachea cannula fixing device.

Background

The tracheal intubation is a technology for placing a special endotracheal tube into the trachea through the glottis, and the technology can provide optimal conditions for the smooth airway, ventilation and oxygen supply, the suction of the respiratory tract, the prevention of aspiration and the like, is an important measure for rescuing patients with respiratory dysfunction, and is used for effectively carrying out the direct relation of the success or failure of the rescue of the artificial or mechanical ventilation and the safe transfer and the prognosis of the patients.

When the trachea cannula is used, the trachea cannula is generally fixed, the trachea cannula is prevented from slipping, shifting or damaging due to the action of external force, the dental pad and the trachea cannula are bundled in parallel and are fixed on the cheek of a patient in a crossed manner by the adhesive tape in the traditional mode, but the oral cavity of the patient needs to be cleaned regularly due to physiological problems, the trachea cannula fixed by the adhesive tape is inconvenient to clean the oral cavity, the existing fixing device is used for fixing the trachea cannula on the fixing device in the sleeve, then the fixing device is fixed on the head of the patient, the sleeve is movable relative to the fixing device under the pushing of the external force, and the oral cavity can be cleaned only by adjusting the position of the sleeve to one side and fixing the sleeve, so that the problems of shifting, slipping and the like of the trachea cannula are avoided.

However, when the fixing device is used for fixing, the sleeve can be in direct contact with teeth of the upper jaw and the lower jaw of a patient, when the position of the sleeve is adjusted in a sliding manner, friction between the sleeve and the teeth can cause more difficult patients, friction damage to the sleeve can be caused, and the sleeve can be greatly hindered from moving, so that medical staff is difficult to grasp the force and exert excessive force to cause the sleeve to move too quickly to collide with the other side of the oral cavity and cause damage to the patient due to the fact that the catheter is involved

Disclosure of Invention

The utility model aims to provide an adjustable trachea cannula fixing device, which solves the problems that when the existing trachea cannula catheter is fixed by the fixing device, friction occurs between a movable sleeve and teeth, so that a patient is uncomfortable, the sleeve is worn, the movement of the sleeve is blocked, the force of medical staff is too high, and the traction catheter acts to cause injury to the patient.

In order to solve the technical problems, the utility model specifically provides the following technical scheme:

the utility model provides an adjustable trachea cannula fixing device, includes the arc fixed plate that laminates with patient's face, and sets up the one end of arc fixed plate and pass through the fixed band that the buckle is connected with the other end, sliding connection has on the arc fixed plate along the arc frame slip of arc fixed plate and pass through the fixed connection seat of fixing bolt, be provided with on the sliding connection seat and be used for inserting to establish in the patient's mouth and block the inside cylindricality cutting ferrule of pipe that fixes the trachea cannula, the symmetry is provided with two rolling assemblies that contact with patient's upper and lower jaw's tooth respectively on the cylindricality cutting ferrule;

the rolling assembly comprises a strip-shaped groove which is arranged on the cylindrical clamping sleeve and communicated with the inside of the cylindrical clamping sleeve, a plurality of carrier rollers are connected to two opposite side walls of the strip-shaped groove in a rotating mode at equal intervals along a straight line, the axes of the carrier rollers are parallel to the axes of the cylindrical clamping sleeve, and the carrier rollers are propped against teeth of the upper jaw and the lower jaw of a patient along the straight line.

As a preferable scheme of the utility model, the section of the cylindrical cutting sleeve along the direction vertical to the axis is square, and the two strip-shaped grooves are respectively arranged on two side walls of the cylindrical cutting sleeve opposite to the upper jaw and the lower jaw of the patient.

As a preferable scheme of the utility model, the carrier roller comprises a roller body and connecting shafts rotatably connected to two ends of the roller body, each connecting shaft is fixedly connected with a connecting rod in the radial direction, the end part of each connecting rod is fixedly connected with a retaining plate used for contacting with a catheter of an endotracheal tube, and the sum of the length of the connecting rod and the radius of the connecting shaft is equal to the diameter of the roller body.

As a preferable mode of the utility model, the side of the retaining plate contacted with the catheter of the tracheal cannula is provided with an elastic pad.

As a preferable scheme of the utility model, the cylindrical clamping sleeve comprises an elastic hollow column with two open ends, one side of the elastic hollow column is provided with a notch for the inlet and outlet of a catheter of an air supply pipe cannula along the axis direction of the hollow column, one end of the hollow column, which is used for being placed outside the mouth of a patient, is provided with a limiting belt, and the limiting belt is used for being wound on the catheter of the air pipe cannula and is stuck and fixed on the sliding connecting seat through a magic tape.

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

the utility model uses the cylindrical cutting sleeve to clamp and fix the catheter of the trachea cannula to the inside, and the fixing bolt is used for fixing the position of the sliding connecting seat, so that the problems of slipping, shifting and the like of the catheter of the trachea cannula are avoided, and the carrier rollers are arranged on two sides of the cylindrical cutting sleeve to be in contact with teeth, so that the carrier rollers and the teeth are in rolling friction when the sliding connecting seat is moved, the resistance of the sliding connecting seat to movement is reduced, the damage to a patient caused by the action of the catheter of the trachea cannula due to overlarge force is avoided, and the problems of difficult patient and abrasion of the cylindrical cutting sleeve caused by the sliding friction are avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

Fig. 1 is a schematic structural view of an adjustable tracheal cannula fixing device according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a carrier roller according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of an elastic hollow column according to an embodiment of the present utility model.

Reference numerals in the drawings are respectively as follows:

1-an arc-shaped fixing plate; 2-fixing bands; 3-a sliding connecting seat; 4-a cylindrical ferrule; 5-a rolling assembly;

401-elastic hollow column; 402-notch; 403-a limit belt;

501-a bar-shaped groove; 502-carrier roller; 503-roller body; 504-a connecting shaft; 505-connecting rod; 506-a retaining plate; 507-resilient pads.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the present utility model provides an adjustable tracheal cannula fixing device, comprising an arc-shaped fixing plate 1 attached to the face of a patient, and a fixing strap 2 arranged at one end of the arc-shaped fixing plate 1 and connected with the other end through a buckle, wherein a sliding connecting seat 3 sliding along an arc-shaped frame of the arc-shaped fixing plate 1 and fixed through a fixing bolt is slidingly connected to the arc-shaped fixing plate 1, a cylindrical clamping sleeve 4 for inserting a catheter for fixing the tracheal cannula into the mouth of the patient is arranged on the sliding connecting seat 3, and two rolling assemblies 5 respectively contacting with teeth of the upper jaw and the lower jaw of the patient are symmetrically arranged on the cylindrical clamping sleeve 4;

the rolling assembly 5 comprises a strip-shaped groove 501 which is arranged on the cylindrical clamping sleeve 4 and is communicated with the interior of the cylindrical clamping sleeve 4, a plurality of carrier rollers 502 are connected to two opposite side walls in the strip-shaped groove 501 in a rotating mode at equal intervals along a straight line, the axes of the carrier rollers 502 are parallel to the axis of the cylindrical clamping sleeve 4, and the carrier rollers 502 which are arranged along the straight line are respectively propped against teeth of the upper jaw and the lower jaw of a patient.

When the utility model is used, the arc-shaped fixing plate 1 is attached to the cheek of a patient and is fixed by a buckle after encircling the brain of the patient through the fixing belt 2.

Then establish the pipe card of trachea cannula and fix in cylindricality cutting ferrule 4 and through the fixed position of fixing bolt fixed sliding connection seat 3, avoided trachea cannula's pipe to appear slipping and shift scheduling problem to avoid causing the injury to the patient to influence patient's operation effect and postoperative recovery speed.

When the trachea cannula's pipe is fixed to cylindricality cutting ferrule 4 card, a plurality of bearing rollers 502 contact with the tooth of upper and lower jaw respectively, when unscrewing the restriction of fixing bolt contact sliding connection seat 3, promote sliding connection seat 3 to drive cylindricality cutting ferrule 4 and slide along arc fixed plate 1 in order to adjust one side in the position oral cavity of trachea cannula's pipe, the position of fixing sliding connection seat 3 is screwed up to the rethread fixing bolt, and the oral cavity has sufficient space to clear up this moment, has improved the convenience of use.

Rolling friction occurs between the carrier roller 502 and the teeth, so that the problems that the teeth abrade the surface of the carrier roller 502 and the patient is uncomfortable due to sliding friction are avoided, the moving resistance of the sliding connecting seat 3 is reduced, and the problem that the patient is injured due to the action of a catheter which is used for dragging an endotracheal tube due to overlarge operation force of medical staff is avoided.

The provision of the strip-shaped groove 501 serves to reduce the spacing between the two rolling elements 5, thereby reducing the volume occupied by the cylindrical ferrule 4 and the rolling elements 5, reducing the angle of opening the mouth of the patient and improving the comfort of use by the patient.

Secondly, the carrier rollers 502 are arranged along a straight line, so that a plurality of carrier rollers on the same rolling assembly 5 are all arranged on the same plane, and are contacted with teeth to generate rolling friction.

The cylindrical ferrule 4 has a square cross section perpendicular to the axial direction, and two strip-shaped grooves 501 are provided on two side walls of the cylindrical ferrule 4 opposite to the upper and lower jaws of the patient, respectively.

The radial section of the cylindrical ferrule 4 is square, so that the strip-shaped groove 501 can be smoothly arranged at one side of the cylindrical ferrule 4 and a plurality of carrier rollers 502 are mounted.

The carrier roller 502 includes roll body 503 and connecting axle 504 of swivelling joint in roll body 503 both ends, all radially fixedly connected with connecting rod 505 on each connecting axle 504, and the tip of each connecting rod 505 all fixedly connected with is used for the butt plate 506 that contacts with the pipe of trachea cannula, and the length of connecting rod 505 and the radial sum of connecting axle 504 equals with the diameter of roll body 503.

The trachea cannula's pipe is inserted to inside the cylindricality cutting ferrule 4 and is blocked and establish between a plurality of butt plates 506 for do not take place to contact between trachea cannula's pipe and the bearing roller 502, can not produce sliding friction to trachea cannula's pipe when having avoided the bearing roller 502 roll of upper and lower both sides, thereby avoided producing wearing and tearing to trachea cannula's pipe and reduced the resistance when sliding connection seat 3 moves.

The connecting shaft 504 is fixedly connected with the inner wall of the strip-shaped groove 501, so that the connecting rod 505 fixedly connected with the connecting shaft 504 and the retaining plate 506 fixedly connected with the connecting rod 505 are kept from relative displacement with the tracheal cannula, and the roller body 503 is rotationally connected on the connecting shaft 504, thereby ensuring rolling friction between the roller body 503 and teeth when the sliding connecting seat 3 is moved.

The sum of the length of the connecting rod 505 and the radius of the connecting shaft 504 is equal to the diameter of the roller bodies 503, i.e. only the distance between the abutment plates from the connecting shaft 504 is made as small as possible to ensure that the space inside the cylindrical ferrule 4 is as large as possible, and the distance between the two abutment plates 506 on the two rolling assemblies 5 is made smaller than the distance between the corresponding two roller bodies 503 to avoid contact of the endotracheal tube with the roller bodies 503.

The side of the abutment plate 506 in contact with the catheter of the endotracheal tube is provided with a resilient pad 507.

The elastic pad 507 is provided for protecting the catheter of the endotracheal tube.

The cylindrical clamping sleeve 4 comprises an elastic hollow column 401 with two open ends, a notch 402 for allowing a catheter of an air supply pipe to enter and exit is formed in one side of the elastic hollow column 401 along the axis direction of the elastic hollow column, a limit belt 403 is arranged at one end, which is used for being placed outside the mouth of a patient, of the hollow column 401, and the limit belt 403 is used for being wound on the catheter of the tracheal cannula and is fixed on the sliding connecting seat 3 through sticking of a magic tape.

When the cylindrical clamping sleeve 4 is used, the notch 402 is broken to two sides for a certain distance, then the catheter of the tracheal cannula is clamped into the elastic hollow column 401 from the notch 402, and the elastic hollow column 401 is restored to deform, so that the catheter position of the tracheal cannula is limited to be positioned in the elastic hollow column 401.

Then the limiting belt 401 is wound on the tracheal cannula catheter, and one end of the limiting belt is stuck on the fixed connecting seat 3, so that the tracheal cannula catheter position is completely fixed, and the problems of slipping, shifting and the like of the tracheal cannula catheter are avoided.

Further, the side of the limiting belt 403 contacted with the trachea cannula is sticky, so that the limiting belt 403 is stuck on the trachea cannula, and the fixing effect of the trachea cannula is further improved.

The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements may be made to the present application by those skilled in the art, which modifications and equivalents are also considered to be within the scope of the present application.

Claims

1. The utility model provides an adjustable trachea cannula fixing device which characterized in that, include arc fixed plate (1) with patient's facial laminating, and set up one end of arc fixed plate (1) and pass through buckle and fixed band (2) that the other end is connected, sliding connection has on arc fixed plate (1) along the arc frame of arc fixed plate (1) slides and passes through fixed bolt fixed slip connecting seat (3), be provided with on slip connecting seat (3) and be used for inserting to patient's mouth and block and establish the pipe of fixed trachea cannula to inside cylindricality cutting ferrule (4), cylindricality cutting ferrule (4) are last to be provided with two respectively with patient's upper and lower jaw's tooth contact roll subassembly (5);

the rolling assembly (5) comprises a strip-shaped groove (501) which is arranged on the cylindrical clamping sleeve (4) and is communicated with the interior of the cylindrical clamping sleeve (4), a plurality of carrier rollers (502) are connected to two opposite side walls of the strip-shaped groove (501) in a rotating mode at equal intervals along a straight line, the axes of the carrier rollers (502) are parallel to the axes of the cylindrical clamping sleeve (4), and the carrier rollers (502) are respectively propped against teeth of the upper jaw and the lower jaw of a patient along the straight line.

2. An adjustable tracheal cannula fixation device as claimed in claim 1, wherein the cylindrical ferrule (4) is square in cross-section perpendicular to the axis, and two of the strip grooves (501) are provided on two side walls of the cylindrical ferrule (4) opposite the patient's upper and lower jaws, respectively.

3. An adjustable tracheal intubation fixing device according to claim 1, wherein the carrier roller (502) comprises a roller body (503) and connecting shafts (504) rotatably connected to two ends of the roller body (503), each connecting shaft (504) is fixedly connected with a connecting rod (505) along the radial direction, the end part of each connecting rod (505) is fixedly connected with a resisting plate (506) for contacting with a tracheal intubation catheter, and the sum of the length of the connecting rod (505) and the radius of the connecting shaft (504) is equal to the diameter of the roller body (503).

4. An adjustable endotracheal tube fixing device according to claim 3, characterized in that the side of the abutment plate (506) in contact with the tube of the endotracheal tube is provided with an elastic pad (507).

5. An adjustable tracheal cannula fixing device according to claim 2, characterized in that the cylindrical clamping sleeve (4) comprises an elastic hollow column (401) with two open ends, a notch (402) for the inlet and outlet of a catheter of a tracheal cannula is arranged on one side of the elastic hollow column (401) along the axis direction of the hollow column, a limit belt (403) is arranged on one end of the hollow column (401) which is used for being placed outside the mouth of a patient, and the limit belt (403) is used for being wound on the catheter of the tracheal cannula and is fixed on the sliding connecting seat (3) through sticking of a magic tape.