Device for percutaneous tracheotomy

Abstract

The percutaneous tracheotomy device comprises an expansion assembly, a tracheotomy guide wire assembly, a plugging device, a tracheotomy sleeve assembly and a one-way inflation valve, the expansion assembly comprises an expander and a skin expansion air bag, the expander comprises an extending part, a connecting body and a flaring part which are connected in sequence, the skin expansion air bag is arranged on the connecting body in a sleeved mode, and the expanding part is connected with the connecting body in a sleeved mode. The stretching-in part and the flaring part stretch out of the skin expanding air bag, the tracheostomy guide wire assembly comprises a core, the tracheostomy sleeve assembly comprises a tracheostomy sleeve, and the dilator and the tracheostomy sleeve are each provided with a channel. The skin expanding air bag is communicated with the one-way inflation valve through an inflation catheter, the stretching-in part is communicated with one end of the tracheostomy tube, the other end of the tracheostomy tube is communicated with the plugging device, the plugging device can adjust the size of an inlet, and when the other end of the tracheostomy tube is opened, one end of the core can sequentially penetrate through a channel of the plugging device to enter a channel of the tracheostomy tube, and then the core can be inserted into the channel of the tracheostomy tube. And the air penetrates out of the channel of the dilator. The device for the percutaneous tracheotomy can improve the operation efficiency and is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to a device for percutaneous tracheostomy. BACKGROUND

[0002] Tracheal intubation refers to a technique of placing a specially designed endotracheal tube into the trachea through the glottis, which is called tracheal intubation. This technique can provide the best conditions for airway patency, ventilation and oxygen supply, respiratory tract suction and prevention of aspiration. Emergency tracheal intubation technology has become an important measure in the rescue process of cardiopulmonary resuscitation and critically ill patients with respiratory dysfunction. Tracheal intubation is an important rescue technique commonly used in first aid work, is one of the most widely used, most effective and fastest means in respiratory tract management, and is a basic skill that medical personnel must master. It plays a crucial role in rescuing patients' lives and reducing mortality. However, the tracheostomy cannula device used in the percutaneous tracheostomy surgery in the prior art has low working efficiency and is inconvenient to use. SUMMARY

[0003] The utility model aims at providing a new technical scheme of a device for percutaneous tracheostomy, which can at least solve the technical problem of low working efficiency of the existing tracheal intubation.

[0004] The utility model provides a device for percutaneous tracheostomy, including dilatation subassembly, gas cutting guide wire subassembly, plugging ware, gas cutting sleeve pipe subassembly and one way inflation valve, the dilatation subassembly includes dilator and dilatation balloon, the dilator includes the extension part, the connecting body and the flared portion that connect gradually, one end of connecting body connects the extension part, the other end of connecting body connects the flared portion, the dilatation balloon is sleeved in the connecting body, the extension part and the flared portion are respectively extended the dilatation balloon, the gas cutting guide wire subassembly includes core, the gas cutting sleeve pipe subassembly includes gas cutting sleeve pipe, the dilator and the gas cutting sleeve pipe have passageway respectively, wherein, the dilatation balloon is communicated with one way inflation valve through inflation catheter, the extension part is communicated with one end of the gas cutting sleeve pipe, the other end of the gas cutting sleeve pipe is communicated with the plugging ware, and the plugging ware can adjust the import size, when the other end of the gas cutting sleeve pipe is opened, one end of the core can pass through the passageway of the plugging ware and enter the passageway of the gas cutting sleeve pipe in turn and then be taken out from the passageway of the dilator.

[0005] Optionally, the flared portion is a tapered structure with threads.

[0006] Optionally, the connecting body is not provided with threads and is connected with the dilatation balloon.

[0007] Optionally, the dilator further comprises a handle portion between the connecting portion and the extending portion, the handle portion having a radial dimension greater than the radial dimension of the connecting portion and the extending portion.

[0008] Optionally, at least one of the handle portion and the extending portion is provided with a thread structure extending in the axial direction of the dilator.

[0009] Optionally, the tracheostomy guide wire assembly comprises a support member comprising a head end, an intermediate section and a tail end, the intermediate section connecting the head end and the tail end, the head end, the intermediate section and the tail end being in communication with each other, a circular recess being formed in the inner wall of the tail end, one end of the core being fixed in the recess, the other end of the core extending into the head end through the tail end and the intermediate section.

[0010] Optionally, the inner wall surface of the tail end is provided with a convex point to limit the core.

[0011] Optionally, the intermediate section is coaxially arranged with the head end, and the inner diameter of the intermediate section is smaller than the inner diameter of the head end.

[0012] Optionally, at least a portion of the outer surface of the occluder has a water-soluble coating.

[0013] Optionally, the occluder comprises a plastic soft plug.

[0014] The percutaneous tracheostomy device according to the embodiments of the present application improves the working efficiency and the operation effect through the cooperation of the dilating assembly, the tracheostomy guide wire assembly, the occluder, the tracheostomy cannula assembly and the one-way inflation valve.

[0015] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments thereof, taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings incorporated in and forming a part of the specification, illustrate embodiments of the present application and, together with the description, serve to explain the principles of the application.

[0017] Figure 1 is a partial exploded view of a percutaneous tracheostomy device according to an embodiment of the present application.

[0018] Reference Signs:

[0019] A percutaneous tracheostomy device 100;

[0020] A dilating assembly 10;

[0021] Dilator 11; extension 111; connecting body 112; flared portion 113; handle portion 114;

[0022] Skin expander balloon 12;

[0023] Tracheostomy guide wire assembly 20; core 21; head end 22; middle section 23; tail end 24;

[0024] Occluder 30;

[0025] Tracheostomy cannula assembly 40;

[0026] One-way inflation valve 50;

[0027] Inflation catheter 60. DETAILED DESCRIPTION

[0028] Various exemplary embodiments of the present application will now be described in detail with reference to the drawings. It should be noted that the relative arrangements, numerical expressions, and numerical values of the components and steps set forth in these embodiments are not limiting to the scope of the present application unless otherwise specifically stated.

[0029] The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the scope of the application, its application, or uses.

[0030] Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail herein. However, where appropriate, such techniques, methods, and apparatus should be considered as part of the description of the present application.

[0031] In all of the examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not limiting. Thus, other examples of the exemplary embodiments can have different values.

[0032] It should be noted that like references and characters herein relate to like items throughout the figures, and once an item is defined in one figure, it need not be discussed further in subsequent figures.

[0033] A percutaneous tracheostomy device 100 according to embodiments of the present application will now be described in detail with reference to the accompanying drawings.

[0034] According to an embodiment of the present invention, a percutaneous tracheostomy device 100 includes an expansion assembly 10, a tracheostomy guidewire assembly 20, an occluder 30, a tracheostomy cannula assembly 40, and a one-way inflation valve 50. The expansion assembly 10 includes an expander 11 and a skin-expanding balloon 12. The expander 11 includes an insertion part 111, a connecting body 112, and a flaring part 113 connected in sequence. One end of the connecting body 112 is connected to the insertion part 111, and the other end of the connecting body 112 is connected to the flaring part 113. The skin-expanding balloon 12 is sleeved on the connecting body 112. The insertion part 111 and the flaring part 113 extend out of the skin-expanding balloon 12, respectively. The tracheostomy guidewire assembly 20 includes a core 21, and the tracheostomy cannula assembly 40 includes a tracheostomy cannula. The expander 11 and the tracheostomy cannula each have a channel.

[0035] The expander bladder 12 is connected to the one-way inflation valve 50 via an inflation conduit 60, allowing inflation of the expander bladder 12. The insertion part 111 is connected to one end of the tracheostomy tube, and the other end of the tracheostomy tube is connected to the occluder 30. The occluder 30 can adjust the inlet size. When the other end of the tracheostomy tube is opened, one end of the core 21 can pass through the channel of the occluder 30 into the channel of the tracheostomy tube and then exit from the channel of the expander 11.

[0036] In other words, the percutaneous tracheotomy device 100 according to the present invention combines an expansion component 10, a tracheotomy guidewire component 20, an occluder 30, a tracheotomy cannula component 40, and a one-way inflation valve 50, which is conducive to performing efficient and safe percutaneous tracheotomy surgery, is easy to use, and improves surgical efficiency.

[0037] According to one embodiment of the present invention, the flared portion 113 is a tapered structure with threads. That is, the expander 11 has a tapered flared portion 113 at one end along its own length direction, and the outer surface of the flared portion 113 has a threaded structure, which can improve the flaring efficiency.

[0038] In some specific embodiments of this utility model, the connector 112 is not threaded and is connected to the expander airbag 12, which facilitates the installation of the expander airbag 12 and makes the expander airbag 12 less prone to movement.

[0039] According to one embodiment of the present invention, the expander 11 further includes a handle portion 114, which is located between the connecting body 112 and the extension portion 111. The radial dimension of the handle portion 114 is larger than the radial dimensions of the connecting body 112 and the extension portion 111, making it easy to rotate by hand. That is, the handle portion 114 is provided on the connecting body 112 and can be used to drive the expander 11 to rotate around its own axis. Optionally, the flared portion 113, the connecting body 112, and the handle portion 114 are coaxially arranged, which facilitates setting and controlling the rotation direction.

[0040] In some specific embodiments of the utility model, at least one of handle part 114 and extension part 111 is provided with a threaded structure extending along the axial direction of dilator 11, wherein the threaded structure provided on handle part 114 can prevent sliding and improve the degree of rotation control; the threaded structure provided on extension part 111 facilitates the installation of extension part 111. Optionally, the outer surface of flared part 113 and the outer surface of connecting body 112 are both provided with a water-soluble coating to improve the lubricating effect.

[0041] According to one embodiment of the utility model, the air cutting guide wire assembly 20 comprises a support, and the support can store and limit the core 21. The support comprises a head end 22, an intermediate section 23 and a tail end 24, the intermediate section 23 connects the head end 22 and the tail end 24, the head end 22, the intermediate section 23 and the tail end 24 are in communication with each other, a circular groove is formed in the inner wall of the tail end 24, and one end of the core 21 is fixed in the groove, for example, welded in the groove. The other end of the core 21 extends into the head end 22 after passing through the tail end 24 and the intermediate section 23. Optionally, the tail end 24 is in the shape of a hexagonal column, which facilitates the setting of the groove and the accommodation of the core 21. In this embodiment, the air cutting guide wire assembly 20 comprises the head end 22, the intermediate section 23 and the tail end 24, which is conducive to controlling the orderly movement of the core 21.

[0042] In some specific embodiments of the utility model, the inner wall surface of the tail end is provided with a protrusion to limit the core 21, and the protrusion can limit the movement of the core 21 and make the core 21 in the groove orderly.

[0043] According to one embodiment of the utility model, the intermediate section 23 is coaxially arranged with the head end 22, and the inner diameter of the intermediate section 23 is smaller than that of the head end 22, which can limit the position of the core 21 and is conducive to making the core 21 in the head end 22 located at the center of the head end 22.

[0044] In some specific embodiments of the utility model, at least a part of the outer surface of the occluder 30 is provided with a water-soluble coating, which can have a hydrophilic lubricating effect.

[0045] According to one embodiment of the utility model, the occluder 30 comprises a plastic soft plug, which is light in weight and easy to control. Optionally, the occluder 30 further comprises a fixed wing and the like, which can realize a locking function.

[0046] Although some specific embodiments of the utility model have been described in detail through examples, those skilled in the art should understand that the above examples are only for illustration, but not for limiting the scope of the utility model. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. A device (100) for percutaneous tracheostomy, characterized in that, The device comprises a dilating assembly (10), a balloon guide wire assembly (20), a plug (30), a balloon guide tube assembly (40) and a one-way inflation valve (50), the dilating assembly (10) comprises a dilator (11) and a balloon (12), the dilator (11) comprises a penetrating part (111), a connecting part (112) and an expanding part (113) connected in sequence, one end of the connecting part (112) is connected with the penetrating part (111), the other end of the connecting part (112) is connected with the expanding part (113), the balloon (12) is sleeved on the connecting part (112), the penetrating part (111) and the expanding part (113) respectively extend out of the balloon (12), the balloon guide wire assembly (20) comprises a core (21), the balloon guide tube assembly (40) comprises a balloon guide tube, the dilator (11) and the balloon guide tube each have a channel; The balloon (12) and the one-way inflation valve (50) are communicated through an inflation conduit (60), the penetrating part (111) is communicated with one end of the balloon guide tube, the other end of the balloon guide tube is communicated with the plug (30), the plug (30) can adjust the size of the inlet, when the other end of the balloon guide tube is opened, one end of the core (21) can pass through the channel of the plug (30) and the channel of the balloon guide tube in sequence and then extend out of the channel of the dilator (11).

2. The apparatus (100) for percutaneous tracheostomy according to claim 1, characterized in that The expanding part (113) is a tapered structure with threads.

3. The apparatus (100) for percutaneous tracheostomy according to claim 1, characterized in that The connecting part (112) is not provided with threads and is connected with the balloon (12).

4. The apparatus (100) for percutaneous tracheostomy according to claim 1, characterized in that The dilator (11) further comprises a handle part (114) between the connecting part (112) and the penetrating part (111), the radial dimension of the handle part (114) is greater than the radial dimension of the connecting part (112) and the penetrating part (111).

5. The device (100) for percutaneous tracheostomy according to claim 4, characterized in that At least one of the handle part (114) and the penetrating part (111) is provided with a thread structure extending along the axial direction of the dilator (11).

6. The apparatus (100) for percutaneous tracheostomy according to claim 1, characterized in that The balloon guide wire assembly (20) comprises a support, The support comprises a head end (22), an intermediate section (23) and a tail end (24), the intermediate section (23) connects the head end (22) and the tail end (24), the head end (22), the intermediate section (23) and the tail end (24) are communicated with each other, a circular groove is formed in the inner wall of the tail end (24), one end of the core (21) is fixed in the groove, the other end of the core (21) extends into the head end (22) through the tail end (24) and the intermediate section (23).

7. The device (100) for percutaneous tracheostomy according to claim 6, characterized in that The inner wall surface of the tail end is provided with a convex point to limit the core (21).

8. The apparatus (100) for percutaneous tracheostomy according to claim 6, characterized in that The intermediate section (23) is coaxially arranged with the head end (22), and the inner diameter of the intermediate section (23) is smaller than the inner diameter of the head end (22).

9. The apparatus (100) for percutaneous tracheostomy according to claim 1, characterized in that At least a part of the outer surface of the plug (30) is provided with a water-soluble coating.

10. The apparatus (100) for percutaneous tracheostomy according to claim 1, characterized in that The plug (30) comprises a plastic soft plug.

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