Improved tracheostomy sleeve

Abstract

The utility model relates to an improved tracheostomy tube which comprises an outer tube, an inner tube and a tube core. The first end of the outer tube is provided with a blocking piece, the first end of the inner tube is provided with a fixing part, the fixing part is rotationally connected with the inner tube, the outer tube is nested outside the inner tube, the fixing part is located on the outer side of the outer tube, the middle part of the outer tube and the middle part of the inner tube are provided with telescopic sections, and the telescopic sections can stretch out and draw back according to the condition of a patient. The inner tube and the outer tube extend into proper positions in the trachea of a patient; the tube core is used for being placed in the outer tube, then the outer tube extends into the trachea of a patient, and after the outer tube is placed in, the inner tube is placed in the outer tube to be fixed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to an improved tracheostomy cannula. BACKGROUND

[0002] The tracheostomy cannula is also called as a tracheal cannula; at present, some patients with severe lung infection and patients with upper airway stenosis caused by various reasons often need tracheostomy, even emergency tracheostomy, and the tracheostomy cannula needs to be used in the operation, in order to reduce the compression of the fixed bottom plate on the wound, gauze or dressing is often added under the bottom plate in clinic, so that a part of the cannula protrudes out of the body, and the length of the part in the body is insufficient; and the tracheostomy cannula with the same mode and arc may not be inserted into the suitable position in the trachea of the patient when being used by patients with different body types and disease states.

[0003] At present, the baffle wings and fixed parts of the outer tube of the tracheostomy cannula used in hospitals are relatively narrow, the stress area is small, the pressure on the wound around the patient is large, the wound is compressed, and the secretions are easy to contaminate the fixing rope, and it is inconvenient to clean.

[0004] The utility model provides an improved tracheostomy cannula aiming at the above problems. UTILITY MODEL CONTENTS

[0005] In order to overcome the problems in the background art, the utility model adopts the following technical scheme:

[0006] An improved tracheostomy cannula, which comprises an outer tube, an inner tube and a tube core; the first end of the outer tube is provided with a baffle, the first end of the inner tube is provided with a fixed part, the fixed part is rotationally connected with the inner tube, the outer tube is nested outside the inner tube, the fixed part is located outside the outer tube, and the middle part of the outer tube and the inner tube is provided with an expansion section, which can be expanded or contracted according to the condition of the patient, so that the inner tube and the outer tube can be inserted into the suitable position in the trachea of the patient; the tube core is used when intubation, the tube core is inserted into the outer tube, then the outer tube is inserted into the trachea of the patient, after the outer tube is inserted, the inner tube is inserted into the outer tube for fixation.

[0007] Further, the main body of the baffle is an oval plate, the baffle is provided with fixed wings at both ends, the fixed wings are provided with openings, the fixed rope is arranged in the openings, and the fixed rope fixes the whole device on the neck of the patient; the above arrangement ensures that the contact area of the baffle with the wound around the patient is large, the wound of the patient is not compressed, the fixed rope is far away from the wound of the patient, and the fixed rope is not contaminated.

[0008] Further, the fixed wing is an arc plate, and the fixed wing is matched with the neck of the patient.

[0009] Further, the inner side surface of the baffle is provided with a soft pad to prevent the skin around the wound of the patient from being pressed.

[0010] Further, the baffle top is provided with a circular tube, and a thread is arranged outside the circular tube.

[0011] Further, the outer tube is in a circular arc structure, and the inner tube is matched with the outer tube.

[0012] Further, the telescopic section comprises at least two protruding parts, and the width of the protruding part and the width between the protruding parts are adjustable.

[0013] Further, a convex ring is arranged at the first end of the inner tube, and the inner tube is fixedly connected with the convex ring.

[0014] Further, a through hole is arranged at the center of the fixed part, the through hole is communicated with the inner tube, a circular groove is arranged in the through hole, the circular groove is matched with the convex ring, the convex ring is arranged in the circular groove, and the arrangement ensures that the fixed part and the inner tube can rotate relative to each other.

[0015] Further, a thread is arranged in the through hole close to the baffle side of the fixed part, and the thread in the fixed part is matched with the thread outside the circular tube, so that the outer tube and the inner tube can be fixed through thread cooperation.

[0016] Further, the tube core comprises a tube head, a connecting rod and an operation part, the first end of the connecting rod is fixedly connected with the tube head, the second end of the connecting rod is fixedly connected with the operation part, the tube core can be placed into the outer tube, and the tube core can be used to dredge after the tube is blocked.

[0017] The utility model discloses the beneficial effect that: the utility model discloses reasonable structure, through setting up telescopic section, have ensured that even in the bottom plate under increase gauze or dressing, also can not cause the problem of insufficient length in the body, and can adjust length according to the condition of patient, make the outer tube and inner tube reach suitable position, through setting up fixed wing and soft pad, have ensured that the contact area of baffle and fixed wing and the skin around the incision of patient is big, reduce pressure, prevent pressure sore, and patient uses more comfortable, through the threaded connection of outer tube and inner tube, have ensured that the inner tube and outer tube are more convenient and firm and fixed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is structural schematic view of the utility model outer tube and inner tube fixed structure;

[0019] Figure 2 It is structural schematic view of the utility model outer tube first visual angle;

[0020] Figure 3 It is structural schematic view of the utility model outer tube second visual angle;

[0021] Figure 4 It is structural schematic view of the utility model inner tube;

[0022] Figure 5 is a sectional view structure schematic diagram of a fixed part and an inner tube connection part of the utility model;

[0023] Figure 6 is a structure schematic diagram of the outer tube and the tube core cooperation of the utility model;

[0024] Figure 7 is a structure schematic diagram of the tube core of the utility model;

[0025] Figure 8 is a structure schematic diagram of one of the inner tubes of the utility model;

[0026] In the figure, 1, outer tube; 2, inner tube; 201, notch; 3, baffle; 4, fixed part; 5, telescopic section; 6, fixed wing; 7, soft pad; 8, round tube; 9, convex annular ring; 10, circular groove; 11, tube head; 12, connecting rod; 13, operating part. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be described clearly and completely below through specific, concrete embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. The utility model can also be implemented or applied through other different, specific embodiments. In the case of no conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Embodiment 1

[0029] Please refer to Figures 1-7 The improved tracheal cannula in the embodiment comprises an outer tube 1, an inner tube 2 and a tube core. The outer tube 1 is provided with a baffle 3 at the first end, and the inner tube 2 is provided with a fixed part 4 at the first end. The fixed part 4 is rotationally connected with the inner tube 2. The outer tube 1 is nested outside the inner tube 2, and the fixed part 4 is located outside the outer tube 1. Telescopic sections 5 are arranged in the middle part of the outer tube 1 and the inner tube 2. The telescopic sections 5 can be telescoped according to the condition of the patient, so that the inner tube 2 and the outer tube 1 are telescoped into the appropriate position in the trachea of the patient. The tube core is used when intubation. The tube core is placed into the outer tube 1, and then the outer tube 1 is telescoped into the trachea of the patient. After the outer tube 1 is placed, the inner tube 2 is placed into the outer tube 1 for fixation. The telescopic section 5 comprises at least two raised parts. The width of the raised part and the width between the raised parts can be adjusted.

[0030] Embodiment 2

[0031] Please refer to Figures 1-3, 6, on the basis of embodiment 1, this embodiment increases the following technical features: (the structure of the outer tube 1 and the baffle is as follows) the main body of the baffle is an oval plate, fixed wings 6 are arranged at both ends of the baffle, openings are arranged on the fixed wings 6, fixed ropes are arranged in the openings, and the fixed ropes fix the entire device on the neck of the patient; the above arrangement ensures that the contact area of the baffle with the surrounding of the incision of the patient is large, and the incision of the patient is not pressed, and at the same time, the fixed rope is far away from the incision of the patient, so as not to contaminate the fixed rope.

[0032] The fixed wing 6 is an arc-shaped plate, and the fixed wing 6 is adapted to the neck of the patient; the length of the fixed wing 6 is 2-5 cm. The inner side of the baffle is provided with a soft pad 7 to prevent the skin around the incision of the patient from being pressed and injured; preferably, the material of the soft pad 7 is selected from silicone or rubber.

[0033] A circular tube 8 is arranged at the top of the baffle, and threads are arranged on the outer side of the circular tube 8; the inner diameter of the circular tube 8 is the same as that of the outer appearance. The outer tube 1 is in a circular arc structure, and the inner tube 2 is matched with the outer tube 1.

[0034] Embodiment 3

[0035] Please refer to Figure 1 , 4-5, on the basis of embodiments 1-2, this embodiment increases the following technical features (the structure of the inner tube 2 is as follows): a protruding ring 9 is arranged at the first end of the inner tube 2, and the inner tube 2 is fixedly connected with the protruding ring 9. A through hole is arranged at the center of the fixed part 4, the through hole is in communication with the inside of the inner tube 2, a circular groove 10 is arranged in the through hole, the circular groove 10 is matched with the protruding ring 9, and the protruding ring 9 is arranged in the circular groove 10 and can rotate relatively. Threads are arranged in the through hole on the side of the fixed part 4 close to the baffle 3, the threads in the fixed part 4 are matched with the threads on the outer side of the circular tube 8, and the outer tube 1 and the inner tube 2 can be fixed by thread cooperation. In some embodiments, the fixed part 4 is in a cylindrical shape, and the middle part of the outer side is concave inward, which is convenient for medical staff to operate.

[0036] Embodiment 4

[0037] Please refer to Figure 6 、 7 , on the basis of embodiments 1-3, this embodiment increases the following technical features (the structure of the tube core is as follows): the tube core includes a tube head 11, a connecting rod 12 and an operating part 13; the first end of the connecting rod 12 is fixedly connected with the tube head 11, and the second end of the connecting rod 12 is fixedly connected with the operating part 13; the tube core is inserted into the outer tube 1 to place the tube, and after the tube is blocked, the tube core can be used to dredge.

[0038] In use, the tube core is first installed into the outer tube 1, the length of the outer tube 1 and the inner tube 2 is adjusted according to the body type of the patient, then the outer tube 1 is placed into the trachea through the incision on the neck of the patient, after the placement is completed, the tube core is taken out, the inner tube 2 is placed into the outer tube 1, the fixing part 4 on the inner tube 2 is rotationally fixed with the round pipe 8 on the blocking piece 3 of the outer tube 1, then the fixing rope is passed through the opening of the fixing wing 6, and the whole device is tied and fixed on the neck of the patient.

[0039] Embodiment 5

[0040] Please refer to Figure 1 , 8 Unlike the above embodiment, in this embodiment, the end of the inner tube 2 away from the fixing part 4 is provided with a notch 201, the shape of the notch 201 is semicircular, and the edge of the inner tube 2 at the notch 201 is provided with a round corner, which can effectively reduce the sharpness of the notch 201 and the end of the inner tube 2 away from the fixing part 4. Correspondingly, the outer tube 1 is also provided with an opening at the position corresponding to the notch 201 when cooperating with the inner tube 2, which makes the inner tube 2 and the outer tube 1 can reduce the stimulation to the throat and trachea of the patient when placed into the patient's body, avoid causing damage to the throat tissue of the patient, have a safer use effect, and also be beneficial to optimizing the use experience of the patient.

[0041] The above description of the embodiments is only for understanding the present application. It should be noted that for those skilled in the art, without departing from the principles of the present application, the present application can be improved in several ways, and these improvements will also fall within the protection scope of the claims of the present application.

Claims

1. A modified tracheal cannula, characterized by, It includes outer tube, inner tube and tube core; the outer tube first end is equipped with baffle, the inner tube first end is equipped with fixed part, the fixed part is rotatably connected with inner tube, the outer tube is nested in the outside of inner tube, the fixed part is located in the outside of outer tube, the middle part of outer tube and inner tube sets up telescopic section.

2. The modified tracheostomy tube of claim 1, wherein, The baffle is provided with fixed wing on both ends, and the fixed wing is provided with opening.

3. The modified tracheostomy tube of claim 2, wherein, The fixed wing is arc-shaped plate, and the fixed wing is adapted to the neck of patient.

4. The modified tracheostomy tube of claim 1, wherein, The inner side of the baffle is provided with soft pad.

5. The modified tracheostomy tube of claim 4, wherein, The top of the baffle is provided with circular tube, and the outer side of the circular tube is provided with screw thread.

6. The modified tracheostomy tube of claim 1, wherein, The outer tube is circular arc structure, and the inner tube is matched with the outer tube.

7. The modified tracheostomy tube of claim 1, wherein, The telescopic section includes at least two bulges, and the width of the bulges and the width between the bulges are adjustable.

8. The modified tracheostomy tube of claim 1, wherein, The first end of the inner tube is provided with convex ring, and the inner tube is fixedly connected with the convex ring; the center of the fixed part is provided with through hole, the through hole is communicated with the inside of the inner tube, the through hole is provided with circular groove, the circular groove is adapted to the convex ring, and the convex ring is arranged in the inside of the circular groove.

9. The modified tracheostomy tube of claim 5, wherein, The through hole near the baffle side of the fixed part is provided with screw thread, and the screw thread in the fixed part is adapted to the screw thread on the outer side of the circular tube.

10. The modified tracheal tube according to any one of claims 1 to 9, wherein The tube core includes tube head, connecting rod and operation part; the first end of the connecting rod is fixedly connected with the tube head, and the second end of the connecting rod is fixedly connected with the operation part.

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