CN218900501U

CN218900501U - Two-way wobbling tracheal catheter core

Info

Publication number: CN218900501U
Application number: CN202221410660.3U
Authority: CN
Inventors: 吴启超; 缪长虹; 郭克芳; 陈万坤; 殷罗悦
Original assignee: Zhongshan Hospital Fudan University
Current assignee: Zhongshan Hospital Fudan University
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2023-04-25
Anticipated expiration: 2032-06-07

Abstract

The utility model relates to a bidirectional swinging tracheal catheter core, and belongs to the technical field of medical appliances. The tracheal catheter tube core comprises a front end protective sleeve, a front end curvature adjusting section, a fixed straight line section and a rear end control part which are sequentially arranged; the front end curvature adjusting section comprises a plurality of rotating joints, a first traction wire and a second traction wire which are sequentially connected; a rotating shaft which enables the rotating joint to rotate left and right is arranged in the rotating joint; the rear end control part is provided with a gear, one end of the first traction wire and one end of the second traction wire, which are close to an operator, are connected and are provided with a plurality of traction balls in a penetrating way, and the traction balls are clamped on the gear; one end of the first traction wire and one end of the second traction wire, which are far away from an operator, are connected with the front end protective sleeve. According to the utility model, through the external operation of the rear end, the bending direction and angle of the front end of the tracheal catheter are changed, the probability of one-time success of difficult airway intubation is increased, the tracheal intubation time is shortened, the life safety of a patient is ensured, and the occupational exposure risk of medical staff is reduced; simple structure and convenient operation.

Description

Two-way wobbling tracheal catheter core

Technical Field

The utility model relates to a bidirectional swinging tracheal catheter core, and belongs to the technical field of medical appliances.

Background

The tracheal tube core used in clinic at present is generally a metal guide wire, is in a one-time molding form, and cannot be subjected to plasticity again through the rear end after being accessed. For the unexpected airway shape, the primary shaping of the catheter tube core often appears inaccurate, the tracheal tube cannot be smoothly pointed to the glottis, and the tracheal tube needs to be taken out of the mouth for secondary shaping. By the operation, the time of the trachea cannula is prolonged, the difficulty of the trachea cannula is increased, the life safety of a patient is endangered, and the occupational exposure risk of medical staff is increased. Therefore, there is a need in the art for an endotracheal tube core that can make the endotracheal tube front end swing in both directions, conveniently change the direction of endotracheal tube front end in the inlet port, increase the disposable success probability of difficult airway endotracheal tube.

Disclosure of Invention

The utility model aims to solve the technical problem of how to obtain a tracheal tube core which can enable the front end of the tracheal tube to swing bidirectionally, is convenient to change the direction of the front end of the tracheal tube in an inlet and increases the probability of one-time success of difficult airway tracheal intubation.

In order to solve the problems, the technical scheme adopted by the utility model is to provide a two-way swinging tracheal catheter tube core, wherein a front end protecting sleeve, a front end curvature adjusting section, a fixed straight line section and a rear end control part are sequentially arranged at one end of the tracheal catheter tube core from one end far away from an operator to one end close to the operator; the front end curvature adjusting section comprises a plurality of rotating joints, a first traction wire and a second traction wire which are sequentially connected; the first traction wire and the second traction wire are arranged on the same plane; a rotating shaft which enables the rotating joint to rotate left and right is arranged in the rotating joint; the plane of the first traction wire and the plane of the second traction wire are perpendicular to the rotating shaft; the rear end control part is provided with a gear, one end of the first traction wire and one end of the second traction wire, which are close to an operator, are connected and are provided with a plurality of traction balls in a penetrating way, and the traction balls are clamped on the gear; one end of the first traction wire and one end of the second traction wire, which are far away from an operator, are connected with the front end protective sleeve.

Preferably, a channel for penetrating the first traction wire and the second traction wire is arranged in the rotary joint, and the channel is arranged in a direction parallel to the central axis of the tracheal catheter tube core.

Preferably, a channel for penetrating the first traction wire and the second traction wire is arranged in the fixed straight-line section, and the channel is arranged in a direction parallel to the central axis of the tracheal catheter tube core.

Preferably, one end of the first traction wire and one end of the second traction wire, which are close to an operator, are connected to form a connecting section, a plurality of traction balls are arranged on the connecting section in a penetrating mode, and the interval distances between the traction balls are equal.

Preferably, the traction ball is provided with a mark.

Preferably, the traction ball is provided with a digital mark.

Preferably, the gear is provided with a handle for rotating the gear.

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

according to the utility model, the finger is used for poking the gear, and the bending direction and angle of the front end of the tracheal catheter are changed through the operation outside the tube core rear end, so that the probability of one-time success of difficult airway intubation is increased. The tracheal catheter does not need to be pulled out again for shaping, the tracheal intubation time is shortened, the life safety of a patient is ensured, and the occupational exposure risk of medical staff is reduced.

The utility model approximately judges the bending degree of the front end of the tube core by marking the position of the traction ball in the gear. Provides a reference for the correct operation of an operator and improves the success probability of the operation.

The utility model has simple and practical structure and is convenient to popularize and apply.

Drawings

Fig. 1 is a schematic diagram of the structure of the die of the present utility model when it is straightened.

Fig. 2 is a schematic diagram of a die of the present utility model in a bent configuration.

Fig. 3 is a schematic view of the structure of the rotary joint according to the present utility model.

Fig. 4 is a schematic view of the structure of the utility model before insertion into a trachea.

Reference numerals: 1. an endotracheal tube; 2. a die; 3. a catheter-fixed plug; 4. a front end protective sleeve; 5. a front end curvature adjusting section; 6. fixing the straight line segment; 7. a rear end control unit; 8. rotating the joint; 9. a rotating shaft; 10. a first traction wire; 11. a second traction wire; 12. a traction ball; 13. a handle; 14. a gear.

Detailed Description

In order to make the utility model more comprehensible, preferred embodiments accompanied with the accompanying drawings are described in detail as follows:

as shown in fig. 1-4, the technical scheme adopted by the utility model is to provide a two-way swinging tracheal catheter tube core 2, wherein the tracheal catheter tube core 2 is sequentially provided with a front end protective sleeve 4, a front end curvature adjusting section 5, a fixed straight line section 6 and a rear end control part 7 from one end far away from an operator to one end close to the operator; the front end curvature adjusting section 5 comprises a plurality of rotary joints 8, a first traction wire 10 and a second traction wire 11 which are sequentially connected; the first traction wire 10 and the second traction wire 11 are arranged on the same plane; the rotary joint 8 is provided with a rotary shaft 9 for rotating the rotary joint 8 left and right; the plane of the first traction wire 10 and the second traction wire 11 is vertical to the rotating shaft 9; the rear end control part 7 is provided with a gear 14, one end, close to an operator, of the first traction wire 10 and one end, close to the operator, of the second traction wire 11 are connected and are provided with a plurality of traction balls 12 in a penetrating mode, and the traction balls 12 are clamped on the gear 14; the end of the first traction wire 10 and the end of the second traction wire 11, which are far away from the operator, are connected with the front end protection sleeve 4. The revolute joint 8 is provided with a channel for penetrating the first traction wire 10 and the second traction wire 11, and the channel is arranged in a direction parallel to the central axis of the tracheal catheter tube core 2. The fixed straight line section 6 is provided with a channel for penetrating the first traction wire 10 and the second traction wire 11, and the channel is arranged in a direction parallel to the central axis of the tracheal catheter tube core 2. The first traction wire 10 and the second traction wire 11 are connected into a whole at one end close to an operator and are a connecting section, a plurality of traction balls 12 are arranged on the connecting section in a penetrating mode, and the interval distances among the traction balls 12 are equal. The traction ball 12 is provided with indicia. The traction ball 12 is provided with a digital marking. The gear 14 is provided with a handle 13 for rotating the gear 14.

The utility model controls the front end of the tracheal tube core 2 to swing bidirectionally through the rear end gear 14, changes the direction of the front end of the tracheal tube 1 in the inlet port, and increases the probability of one-time success of difficult airway tracheal intubation.

Examples

The utility model provides a two-way swinging tracheal catheter tube core 2, wherein the tracheal catheter 1 tube core 2 is sequentially provided with a front end protective sleeve 4, a front end curvature adjusting section 5, a fixed straight line section 6 and a rear end control part 7 from one end far away from an operator to one end close to the operator; the front protective sheath 4 is of flexible plastic construction, thereby protecting the lead front structure and the patient intraoral tissue.

The front end curvature adjusting section 5 comprises a plurality of rotary joints 8, a first traction wire 10 and a second traction wire 11 which are sequentially connected; the first traction wire 10 and the second traction wire 11 are arranged on the same plane; the rotary joint 8 is provided with a rotary shaft 9 for rotating the rotary joint 8 left and right; the plane of the first traction wire 10 and the second traction wire 11 is vertical to the rotating shaft 9; the structure of the part adopts the prior art, and refers to Chinese patent, patent number CN209979936U, patent name: a coiled pipe with adjustable steering and an endoscope; a steerable coil disclosed in the patent wherein the coil is of a bent tube construction; the structure of the front bending adjusting section 5 is consistent with that of the bending pipe. The rotary joint 8 swings left and right around the rotary shaft 9; the front end curvature adjusting section 5 adopts the prior art.

The rear end control part 7 is provided with a gear 14, one end of the first traction wire 10 and one end of the second traction wire 11, which are close to an operator, are connected and are provided with a plurality of traction balls 12 in a penetrating manner, wherein the traction balls 12 are clamped in tooth grooves of the gear 14; the traction balls 12 are successively engaged in successively adjacent tooth grooves.

Transmitting the rotation moment of the gear 14 to the front end of the catheter core 2 through the traction wire; the traction ball 12 is engaged with the tooth socket of the gear 14, and the rotation moment of the gear 14 is transmitted to the front end of the catheter tube core; the handle 13 arranged on the gear 14 rotates the gear 14, so that the traction ball 12 is stirred, the first traction wire 10 and the second traction wire 11 are driven to move left and right, and the bending degree of the front end of the tube core 2 is adjusted. The degree of bending of the front end of the die 2 can be generally determined by the number identified on the traction ball 12.

The moment of rotation of the gear 14 is transmitted to the front end of the catheter tube core 2 through the traction wire, so that the front end bending adjusting section 5 swings, the bending direction and the angle of the front end of the outer tracheal catheter 1 are changed, and the probability of one-time success of difficult airway intubation is increased.

The utility model is used as follows:

A. firstly, a tube core 2 is inserted into a hollow tracheal catheter 1, a truncated cone-shaped catheter fixing plug 3 is arranged at an opening of the tracheal catheter 1 near one end of an operator, and a through hole for passing through the tube core 2 is arranged in the catheter fixing plug 3; after the tube core 2, the catheter fixing plug 3 and the air tube catheter 1 are fixed, the air tube core 2 can be subjected to micro-shaping in advance according to experience;

B. inserting the tracheal tube 1 into the trachea;

C. when the front end of the tracheal catheter 1 can not be guided and inserted into the glottis of a patient, the thumb of an operator drives the gear 14 to rotate by rotating the handle 13, the bending degree of the front end bending adjusting section 5 is adjusted, and the advancing direction of the front end protecting sleeve 4 of the catheter is changed, so that the front end protecting sleeve can be smoothly guided and inserted.

While the utility model has been described with respect to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. Equivalent embodiments of the present utility model will be apparent to those skilled in the art having the benefit of the teachings disclosed herein, when considered in the light of the foregoing disclosure, and without departing from the spirit and scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. The tracheal catheter tube core is characterized in that a front end protecting sleeve, a front end curvature adjusting section, a fixed straight line section and a rear end control part are sequentially arranged from one end far away from an operator to one end close to the operator; the front end curvature adjusting section comprises a plurality of rotating joints, a first traction wire and a second traction wire which are sequentially connected; the first traction wire and the second traction wire are arranged on the same plane; a rotating shaft which enables the rotating joint to rotate left and right is arranged in the rotating joint; the plane of the first traction wire and the plane of the second traction wire are perpendicular to the rotating shaft; the rear end control part is provided with a gear, one end of the first traction wire and one end of the second traction wire, which are close to an operator, are connected and are provided with a plurality of traction balls in a penetrating way, and the traction balls are clamped on the gear; one end of the first traction wire and one end of the second traction wire, which are far away from an operator, are connected with the front end protective sleeve.

2. The bidirectional swinging endotracheal tube core as recited in claim 1 wherein said rotary joint has a passage for threading a first pull wire and a second pull wire, said passages being disposed in a direction parallel to the central axis of the endotracheal tube core.

3. A bi-directional swinging endotracheal tube according to claim 1, wherein said stationary straight section has a passageway therethrough for passing first and second pull wires, said passageway being oriented parallel to the central axis of the endotracheal tube.

4. The two-way swinging endotracheal tube core according to claim 1, wherein one end of the first and second traction wires close to the operator is connected to form a connection section, a plurality of traction balls are arranged on the connection section in a penetrating manner, and the distance between the traction balls is equal.

5. The bi-directional swinging endotracheal tube die of claim 4 wherein said traction ball is provided with indicia thereon.

6. The bi-directional swinging endotracheal tube die of claim 5 wherein said traction ball is provided with a numerical marking.

7. A bi-directional swinging endotracheal tube according to claim 1, wherein said gear is provided with a handle for rotating the gear.