CN220459727U

CN220459727U - Trachea cannula replacement guide wire

Info

Publication number: CN220459727U
Application number: CN202320631259.0U
Authority: CN
Inventors: 韩嫱
Original assignee: Tongji Hospital Affiliated To Tongji Medical College Of Huazhong University Of Science & Technology
Current assignee: Tongji Hospital Affiliated To Tongji Medical College Of Huazhong University Of Science & Technology
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2024-02-09
Anticipated expiration: 2033-03-27

Abstract

The utility model provides a trachea cannula replacement guide wire, which relates to the technical field of medical appliances and comprises a hose body, wherein a fixed tube is arranged in the hose, the peripheral wall of the fixed tube is connected with the inner wall of the hose through a plurality of partition layers, the space between the hose and the fixed tube is divided into a plurality of independent spaces by the partition layers, and a hand piece is detachably arranged at one end of the hose; the handheld piece is provided with a plurality of mounting holes, and the mounting holes penetrate through two ends of the handheld piece and are communicated with a plurality of independent spaces and the fixed pipes in a one-to-one correspondence manner to form a plurality of channels; the side wall of part of the channel is provided with a through hole; a visual component is arranged in one mounting hole. When the tracheal catheter needs to be replaced, medical staff can temporarily replace the tracheal catheter by using the replacement guide wire, so that the patient can still breathe normally when the tracheal catheter is replaced. The visualization component can clearly determine the position of the tracheal catheter and observe the internal condition of the trachea.

Description

Trachea cannula replacement guide wire

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a trachea cannula replacement guide wire.

Background

The tracheal cannula exchange guide wire has a guiding effect mainly in clinic when the tracheal catheter is replaced, particularly for patients with difficult tracheal cannula, the exchange guide wire is used for guiding, the failure of cannula when the tracheal catheter is pulled out and then the tracheal catheter is inserted is avoided, and the tracheal cannula can be inserted smoothly.

Most of the existing trachea cannula exchange guide wires have only guiding function, have single function or are hollow tubes, and can be used for sucking, but the hollow tubes are not enough in hardness, and cannot play a supporting role when the tracheal catheter is difficult to replace. If an emergency situation occurs, the tracheal catheter cannot be successfully inserted into the trachea, emergency ventilation cannot be realized, and the patient may have hypoxia. Moreover, the existing exchange guide wires have no visual construction and cannot help to confirm the position of the tracheal catheter in the trachea.

Disclosure of Invention

The utility model aims to provide a trachea cannula replacement guide wire, which comprises a hose body, wherein a fixed tube is arranged in the hose, the peripheral wall of the fixed tube is connected with the inner wall of the hose through a plurality of partition layers, the space between the hose and the fixed tube is divided into a plurality of independent spaces by the partition layers, and a hand piece is detachably arranged at one end of the hose; the handheld piece is provided with a plurality of mounting holes, and the mounting holes penetrate through two ends of the handheld piece and are communicated with a plurality of independent spaces and the fixed pipes in a one-to-one correspondence manner to form a plurality of channels; the side wall of part of the channel is provided with a through hole; one of the mounting holes is internally provided with a visual component. When the tracheal catheter needs to be replaced, medical staff can insert the replacement guide wire into the tracheal catheter, connect the oxygen therapy machine, external negative pressure equipment or drug delivery equipment with a channel with a through hole on the side wall through the mounting hole, then separate the hand piece from the hose, take down the tracheal catheter from the hose, sleeve a new tracheal catheter outside the hose, then install the hand piece on the hose, and insert the new tracheal catheter into the trachea. Thereby ensuring that the patient is still able to breathe normally when the endotracheal tube is replaced. In addition, doctor can also observe the condition in the trachea and confirm the position of endotracheal tube through visual subassembly, is favorable to doctor's observation, judgement and operation.

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

the tracheal intubation replacement guide wire comprises a hose body, wherein a fixed tube is arranged in the hose, the peripheral wall of the fixed tube is connected with the inner wall of the hose through a plurality of partition layers, the space between the hose and the fixed tube is divided into a plurality of independent spaces by the partition layers, and a hand piece is detachably arranged at one end of the hose; the handheld piece is provided with a plurality of mounting holes, the mounting holes penetrate through two ends of the handheld piece and are communicated with a plurality of independent spaces and the fixed pipes in a one-to-one correspondence manner to form a plurality of channels, and through holes are formed in the side walls of part of the channels; one of the mounting holes is internally provided with a visual component.

Preferably, the length of the fixing tube is smaller than that of the hose, one end of the fixing tube is aligned with one end of the hose, the other end of the fixing tube is located in the hose, and one end of the hand piece extends into the hose to be connected with one end of the fixing tube in a sealing mode.

Further, an illumination assembly is disposed in one of the mounting holes, and one end of the illumination assembly extends into an independent space in communication with the mounting hole.

Further, the visualization component comprises an imaging optical fiber, one end of the imaging optical fiber is provided with a cold light source interface, and the other end of the imaging optical fiber stretches into the independent space.

Further, one end of the partial mounting hole is provided with a connecting piece, and the handheld piece is externally connected with equipment through the connecting piece.

Further, one end of the hose, which is far away from the handheld piece, is provided with an air bag, clean harmless gas is arranged in the air bag, and the diameter of the air bag is smaller than or equal to that of the hose.

Further, the fixed pipe is of a solid structure or a hollow structure.

The utility model has at least the following advantages or beneficial effects:

1. when the tracheal catheter needs to be replaced, medical staff can insert the replacement guide wire into the tracheal catheter, connect the oxygen therapy machine, external negative pressure equipment or drug delivery equipment with a channel with a through hole on the side wall through the mounting hole, then separate the hand piece from the hose, take down the tracheal catheter from the hose, sleeve a new tracheal catheter outside the hose, then install the hand piece on the hose, and insert the new tracheal catheter into the trachea. Thereby ensuring that the patient is still able to breathe normally when the endotracheal tube is replaced. In addition, doctor can also observe the condition in the trachea and confirm the position of endotracheal tube through visual subassembly, is favorable to doctor's observation, judgement and operation.

2. The lamp panel is installed on the hand-held piece, and the hand-held piece is located the trachea outside, and light passes through the optical fiber bundle and propagates to the trachea in, and the optical fiber bundle can not produce heat when propagating light, has avoided the heat that produces when the lamp panel illumination to burn the trachea.

3. The hose stretches into tracheal one end and is provided with the gasbag, and the gasbag is the inflation state, and under the inside atmospheric pressure effect, its week wall not only has certain hardness, and certain elasticity still, when inserting gas conduit, can play the shaping effect, can also avoid the gasbag to extrude the tracheal tube and touch the tracheal wall, causes the damage to the tracheal wall.

4. The gasbag seals the one end of hose, and the liquid in the trachea can't get into in the passageway that does not set up the through-hole on the lateral wall, and in the liquid can't flow into this part passageway, causes the pollution to this part passageway.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of an endotracheal tube replacement guide wire provided by the present utility model;

FIG. 2 is a schematic view of the structure of the hose according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure shown at I in FIG. 4;

fig. 4 is a schematic view of the internal structure of a tracheal cannula replacement guide wire provided by the utility model.

Icon: 101-an air bag; 110-hose; 111-fixing the tube; 113-isolating layers; 115-a through hole; 117-independent space; 130-a handpiece; 131-mounting holes; 133-connectors; 135-annular boss; 137-limiting blocks; 150-an illumination assembly; 151-lamp panels; 153-bundle of optical fibers; 155-a switch top cover; 171-imaging fiber; 173-cold light source interface.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Referring to fig. 1 and 2, an endotracheal tube replacement guide wire includes a tube 110 body, and the tube 110 is made of transparent tube material. The hose 110 is provided with a fixing tube 111 therein, the circumferential wall of the fixing tube 111 is connected to the inner wall of the hose 110 through a plurality of barrier layers 113, the barrier layers 113 are provided along the axial direction of the fixing tube 111, and the barrier layers 113 are hermetically connected to both the outer circumferential wall of the fixing tube 111 and the inner circumferential wall of the hose 110. The length of the partition 113 is the same as the length of the fixed pipe 111. The partition 113 divides the space between the hose 110 and the fixed tube 111 into a plurality of independent spaces 117, and in the present embodiment, into four independent spaces 117. The isolating layer 113 and the fixing tube 111 can provide support for the hose 110, so that the problem that the tracheal catheter cannot be smoothly inserted into the trachea due to insufficient hardness of the hose 110 is avoided. In the present embodiment, the fixing tube 111 has a solid structure, and in other embodiments, may have a hollow structure.

In addition, a hand piece 130 is provided at one end of the hose 110, and the hand piece 130 is screwed or clamped with the hose 110. The hand piece 130 is provided with a plurality of mounting holes 131, the mounting holes 131 penetrate through two ends of the hand piece 130 and are communicated with the independent spaces 117 and the fixing tube 111 in a one-to-one correspondence manner to form a plurality of channels, the side wall of part of the channels is provided with through holes 115, the channels provided with the through holes 115 are connected with an external oxygen therapy machine, a drug delivery device or a negative pressure suction machine through the mounting holes 131 connected with the channels, and external liquid medicine or gas and liquid in the air tube can enter or be discharged outside the body through the through holes 115, the channels and the mounting holes 131. In the case of replacement of an endotracheal tube, a replacement guidewire may be inserted into the endotracheal tube and an external device may be connected to handpiece 130 to deliver oxygen or a medical fluid into the trachea or to aspirate the fluid from the trachea through hose 110. The handpiece 130 is then separated from the hose 110, the old endotracheal tube is removed from the hose, a new endotracheal tube is sleeved on the hose 110, the handpiece 130 is then mounted on the hose 110, and finally the replacement of the endotracheal tube is completed after the new endotracheal tube is inserted into the trachea through the hose 110. In addition, be provided with visual subassembly in one of them mounting hole 131, visual subassembly includes imaging fiber 171, and imaging fiber's one end is located the mounting hole 131 outside, and installs cold light source interface 173, can be connected with current imager through cold light source interface 173, and the doctor can confirm the position of endotracheal tube through the image, also can observe the intratracheal condition through the image, and the doctor of being convenient for operates.

Preferably, the length of the fixing tube 111 is smaller than that of the hose 110, one end of the fixing tube 111 is aligned with one end of the hose 110, the other end of the fixing tube 111 is positioned in the hose 110, and one end of the hand piece 130 extends into the hose 110 to be connected with one end of the fixing tube 111 in a sealing manner. In this embodiment, the hose 110 and the handpiece 130 are in an interference connection. One end of the partial installation hole 131 is provided with a connection piece 133, and the hand piece 130 is externally connected with equipment through the connection piece 133. The end of the connector 133 to which the external device is connected is shaped and sized to match the interface of the desired connection device.

Referring to fig. 3, preferably, one of the mounting holes 131 is provided therein with a lighting assembly 150, and a portion of the lighting assembly 150 is located in the independent space 117 communicating with the mounting hole 131, and the lighting assembly 150 can illuminate the tracheal wall through the hose 110, thereby increasing the brightness in the trachea, facilitating observation, judgment and operation by a doctor.

Specifically, the lighting assembly 150 includes a lamp panel 151, a fiber optic bundle 153, and a switch cover 155. The optical fiber bundle 153 is partially located in the independent space 117, one end of the optical fiber bundle 153 is located in the mounting hole 131, an annular boss 135 and a limiting block 137 are arranged in the mounting hole 131, an avoidance groove is formed in the periphery of the lamp panel 151, the limiting block 137 can penetrate through the avoidance groove, and after the lamp panel 151 is rotated, the lamp panel 151 can be clamped with the hole wall of the mounting hole 131. One end of the optical fiber bundle 153 located in the mounting hole 131 is located between the annular boss 135 and the lamp plate 151, and the optical fiber bundle 153 can be limited between the annular boss 135 and the lamp plate 151. One side of the lamp plate 151 is provided with a power supply positive electrode connecting plate, and the power supply positive electrode connecting plate is connected with the positive electrode of the lamp plate 151. The switch top cover 155 is in threaded connection with the hole wall of the mounting hole 131, one end of the switch top cover 155, which is close to the lamp plate 151, is provided with a power negative electrode connecting plate, and the power negative electrode connecting plate is connected with the negative electrode of the lamp plate 151. The power supply is installed between the lamp panel 151 and the switch top cover 155. By pressing the switch top cover 155, the lamp panel 151 can be controlled to be opened or closed, and the light emitted by the lamp panel 151 can be transmitted to the periphery of the hose 110 through the optical fiber bundles 153, so that the light can be irradiated on the wall of the tracheal through the hose 110, and the light intensity in the tracheal is improved. In addition, the heat generated by the illumination of the lamp panel 151 is only present in the mounting hole 131, and the optical fiber bundle 153 does not generate heat when light is transmitted, that is, the air tube is not contacted with the heat source, so that burn of the air tube wall is avoided.

Referring to fig. 4, an air bag 101 is disposed at one end of the hose 110 far away from the hand-held member 130, clean harmless gas is disposed inside the air bag 101, when the air bag 101 is in an inflated state, the outer wall of the air bag 101 has a certain hardness and a certain elasticity, and in a tube replacement operation, the hardness of the air bag 101 is utilized to enable a replacement guide wire to be smoothly inserted into an endotracheal tube, and also prevent the end portion of the replacement guide wire from extruding the endotracheal tube, so that the endotracheal tube extrudes the tracheal tube, causing discomfort or injury to a patient.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The tracheal intubation replacement guide wire comprises a hose body, and is characterized in that a fixed tube is arranged in the hose, the peripheral wall of the fixed tube is connected with the inner wall of the hose through a plurality of partition layers, the partition layers divide the space between the hose and the fixed tube into a plurality of independent spaces, and a hand piece is detachably arranged at one end of the hose; the handheld piece is provided with a plurality of mounting holes, the mounting holes penetrate through two ends of the handheld piece and are communicated with a plurality of independent spaces and the fixed pipe in a one-to-one correspondence manner to form a plurality of channels, and through holes are formed in the side walls of part of the channels; one of the mounting holes is internally provided with a visual component.

2. The endotracheal tube replacement guidewire of claim 1 wherein the length of the tube is less than the length of the tube, one end of the tube being aligned with one end of the tube, the other end of the tube being located within the tube, one end of the handpiece extending into the tube in sealing engagement with one end of the tube.

3. An endotracheal tube replacement guidewire as claimed in claim 2 wherein a lighting assembly is disposed within one of said mounting holes, one end of said lighting assembly extending into said separate space communicating with said mounting hole.

4. The endotracheal tube replacement guidewire of claim 1 wherein the visualization assembly includes an imaging fiber optic, one end of the imaging fiber optic being provided with a cold light source interface, the other end of the imaging fiber optic extending into the separate space.

5. An endotracheal tube replacement guidewire as claimed in claim 2, wherein a portion of said mounting hole is provided at one end thereof with a connector by which said handpiece is externally connected to a device.

6. The endotracheal tube replacement guidewire of claim 1 wherein the end of the tube remote from the handpiece is provided with a balloon, the balloon being internally of a clean, harmless gas, the balloon having a diameter less than or equal to the diameter of the tube.

7. The endotracheal tube replacement guidewire of claim 1 wherein the tube is a solid or hollow structure.