CN215995200U

CN215995200U - Adjustable tracheal catheter fixing device in total laryngectomy

Info

Publication number: CN215995200U
Application number: CN202121829007.6U
Authority: CN
Inventors: 钟静; 缪长虹; 闫文
Original assignee: Zhongshan Hospital Fudan University
Current assignee: Zhongshan Hospital Fudan University
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-03-11
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses an adjustable tracheal catheter fixing device in total laryngectomy, which is characterized by comprising a back plate, a side plate, a length adjusting mechanism and a caliber adjusting mechanism for clamping tracheal catheters with different calibers, wherein the length adjusting mechanism comprises a fixed rod and a telescopic rod, the caliber adjusting mechanism comprises a fixed claw and a movable claw, one end of the back plate is fixedly connected with one end of the side plate, the other end of the side plate is fixedly connected with one end of the fixed rod, the other end of the fixed rod is telescopically and movably connected with one end of the telescopic rod, the other end of the telescopic rod is fixedly connected with one end of the fixed claw, and the other end of the fixed claw is movably connected with one end of the movable claw. The fixing device is convenient and safe to use, and can effectively fix the tracheal catheter of the transotomy in the operation, thereby reducing the possibility that the tracheal catheter in the operation moves and falls off, ensuring the ventilation of the patient in the operation and improving the safety in the operation.

Description

Adjustable tracheal catheter fixing device in total laryngectomy

Technical Field

The utility model relates to a fixing device, in particular to an adjustable tracheal catheter fixing device in total laryngectomy, and belongs to the technical field of medical equipment.

Background

Malignant tumors of the laryngeal mucosa are collectively called laryngeal carcinoma, and the most common pathologically is squamous cell carcinoma, accounting for 90% of all laryngeal carcinoma types. The laryngeal cancer treatment method mainly comprises operation treatment, radiotherapy, chemotherapy, targeted treatment and the like, and the laryngeal cancer of middle and late stages is required to be comprehensively treated, so that the 5-year survival rate of the laryngeal cancer can be improved, the vocal function of the larynx of a patient is retained to the maximum extent, and the life quality of the patient is improved. And (3) surgical treatment: different surgical methods can be adopted according to different cancer parts. Comprises (1) a supporting laryngoscope resection, (2) a partial larynx resection, (3) a total laryngectomy and (4) a robot operation. The operation treatment needs to use endotracheal tube to carry out general anesthesia, and total laryngectomy needs to change endotracheal tube in the operation, inserts endotracheal tube through the gas incision in the art and carries out the transition and ventilate, and at this moment, endotracheal tube only is simply fixed or unfixed through the ligature, at the operation in-process, can have endotracheal tube to shift the risk that drops even from patient's gas incision, and then threatens patient life safety.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: how to fix the tracheal catheter inserted into the tracheostoma and replaced in the total laryngectomy, and avoid the risk of displacement of the tracheal catheter and even falling off from the tracheostoma of a patient.

In order to solve the technical problem, the utility model provides an adjustable tracheal catheter fixing device in total laryngectomy, which is characterized by comprising a back plate, a side plate, a length adjusting mechanism and a caliber adjusting mechanism for clamping tracheal catheters with different calibers, wherein the length adjusting mechanism comprises a fixed rod and a telescopic rod, the caliber adjusting mechanism comprises a fixed claw and a movable claw, one end of the back plate is fixedly connected with one end of the side plate, the other end of the side plate is fixedly connected with one end of the fixed rod, the other end of the fixed rod is telescopically and movably connected with one end of the telescopic rod, the other end of the telescopic rod is fixedly connected with one end of the fixed claw, and the other end of the fixed claw is movably connected with one end of the movable claw.

Preferably, at least one of the telescopic rod and the fixed rod is uniformly provided with a plurality of threaded holes along the axial direction, at least one threaded hole is formed in the other one of the telescopic rod and the fixed rod, the telescopic rod and the fixed rod are mutually sleeved, and the telescopic rod and the fixed rod are fixedly connected through the threaded holes in the telescopic rod and the threaded holes in the fixed rod through screws.

Preferably, one of the telescopic rod and the fixed rod is provided with a channel, and the other one is arranged in the channel.

Preferably, the fixed claw is provided with a through hole, a worm capable of rotating relative to the fixed claw is arranged in the through hole, the movable claw is provided with a rack, the inner side wall of the movable claw is provided with a channel, the rack penetrates through the channel and then is connected with the worm in a rotating mode, and teeth on the rack are meshed with worm teeth on the worm.

Preferably, the worm is arranged in the through hole and rotates around the central shaft of the worm.

Preferably, the fixed claw and the movable claw are provided with concave arc structures at two opposite sides of the movable claw in the moving direction relative to the fixed claw.

Preferably, a rotating interval limiting device for limiting the distance between the movable claw and the fixed claw is arranged between the movable claw and the fixed claw.

Preferably, the rotation interval limiting device comprises a limiting lug located in the movement direction of the rack.

The fixing device is convenient and safe to use, and can effectively fix the tracheal catheter of the transotomy in the operation, thereby reducing the possibility that the tracheal catheter moves and falls off in the operation, ensuring the ventilation of a patient in the operation and improving the safety of the operation. The fixing device of the utility model is used for fixing the replaced tracheal catheter inserted into the tracheostoma in the total laryngectomy, thereby obtaining the adjustable tracheal catheter fixing device in the total laryngectomy, which can avoid the displacement or the falling off of the tracheal catheter.

The adjustable tracheal catheter fixing device in the total laryngectomy has the following technical advantages: due to the adjustability of the telescopic rod, the telescopic rod can be extended and contracted according to the actual position of a patient in the operation process, so that the position of a caliber adjusting mechanism for fixing the tracheal catheter is changed; due to the adjustability of the movable claws, the tracheal catheter can be fixed according to the caliber of the ventilation catheter in the operation process, and the tracheal catheter is ensured to be fixed. The adjustable full laryngectomy device is simple in structure, convenient to operate and use, particularly suitable for fixing the ventilation and anesthesia catheter in the adjustable full laryngectomy, and greatly improves the operation safety; has good economic benefit and social benefit.

Drawings

FIG. 1 is a schematic view of an adjustable total laryngectomy endotracheal tube securement device;

FIG. 2 is a schematic view of a length adjustment mechanism;

fig. 3 is a schematic view of the caliber adjusting mechanism.

Detailed Description

In order to make the utility model more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.

The utility model provides an adjustable tracheal catheter fixing device in total laryngectomy, which is used for fixing a tracheal catheter in total laryngectomy, and is shown in figure 1, it includes backplate 1, curb plate 2, length adjustment mechanism 50 and bore adjustment mechanism 10, length adjustment mechanism 50 mainly comprises dead lever 3 and telescopic link 4, bore adjustment mechanism 10 mainly comprises stationary dog 6 and

movable claw

7, 1 one end of backplate and 2 one end fixed connection of curb plate, the 2 other ends of curb plate and 3 one end fixed connection of dead lever, the 3 other ends of dead lever and 4 one end swing joint of telescopic link, telescopic link 4 can be relative concertina movement with dead lever 3, the 4 other ends of telescopic link are fixed continuous with stationary dog 6 one end, the 6 other ends of stationary dog and 7 one end swing joint of movable claw, through stationary dog 6 and the cooperation of movable claw 7, can snatch the endotracheal tube of different bores.

As shown in fig. 1 and 2, a plurality of threaded holes 5 are uniformly distributed on the telescopic rod 4 along the axial direction thereof, at least one threaded hole 5 is provided on the fixing rod 3 (in this embodiment, two threaded holes 5 are provided on the fixing rod 3), the threaded holes 5 on the fixing rod 3 correspond to the threaded holes 5 on the telescopic rod 4 in a one-to-one fit manner, a first passage 51 is provided in the fixing rod 3, and the telescopic rod 4 is fixed on the fixing rod 3 by a screw 52 passing through the threaded hole 5 after passing through the first passage 51.

As shown in fig. 3, a through hole 30 is provided on the fixed jaw 6, a rack 20 is provided on the movable jaw 7, a worm 31 capable of rotating relative to the fixed jaw 6 is provided in the through hole 30, the worm 31 is capable of rotating around a central axis of the worm 31 in the through hole 30, a second channel 42 is provided on an inner side wall 41 (a side wall close to the movable jaw 7) of the movable jaw 7, the rack 20 is rotatably connected with the worm 31 after passing through the second channel 42, and teeth on the rack 20 are meshed with worm teeth on the worm 31. The worm 31 rotates to drive the movable claw 7 to move relative to the fixed claw 6, so that the caliber is adjusted. Wherein, the relative both sides that lie in the relative stationary dog 6 moving direction of movable claw 7 on stationary dog 6 and the movable claw 7 all are equipped with the arc structure of indent, prevent that the endotracheal tube of centre gripping from droing.

A rotating interval limiting device is arranged between the movable claw 7 and the fixed claw 6; the rotation interval limiting device comprises a limiting lug 21 positioned in the moving direction of the rack 20 of the movable claw 7, and in order to prevent the interval between the movable claw 7 and the fixed claw 6 from being too small, the tracheal catheter is clamped flat and is not beneficial to ventilation of a patient.

The using process of the utility model is as follows:

in the process of operation, the length adjusting mechanism 50 can be extended and contracted according to the actual position of the patient, so that the position of the caliber adjusting mechanism 10 is changed, and the caliber adjusting mechanism 10 is adjusted to the position of the tracheal catheter of the patient. Then, according to the caliber of the tracheal catheter, the tracheal catheter is fixed between the movable claw 7 and the fixed claw 6 by adjusting the distance between the movable claw 7 and the fixed claw 6 on the caliber adjusting mechanism 10, so that the tracheal catheter is ensured to be fixed.

Claims

1. The utility model provides an endotracheal tube fixing device in adjustable total laryngectomy, a serial communication port, including backplate (1), curb plate (2), length adjustment mechanism (50) and caliber adjustment mechanism (10) that are used for the endotracheal tube of the different bore sizes of centre gripping, length adjustment mechanism (50) include dead lever (3) and telescopic link (4), caliber adjustment mechanism (10) are including stationary dog (6) and movable claw (7), backplate (1) one end and curb plate (2) one end fixed connection, curb plate (2) other end and dead lever (3) one end fixed connection, the flexible swing joint of the dead lever (3) other end and telescopic link (4) one end, the telescopic link (4) other end is fixed continuous with stationary dog (6) one end, stationary dog (6) other end and movable claw (7) one end swing joint.

2. The adjustable total laryngectomy endotracheal tube fixing device as claimed in claim 1, wherein at least one of the telescopic rod (4) and the fixing rod (3) is uniformly provided with a plurality of threaded holes (5) along the axial direction thereof, the other one is provided with at least one threaded hole (5), the telescopic rod (4) and the fixing rod (3) are mutually sleeved, and the telescopic rod (4) and the fixing rod (3) are fixedly connected through the threaded holes (5) on the telescopic rod (4) and the fixing rod (3) by screws (52).

3. The adjustable total laryngectomy endotracheal tube fixing device as claimed in claim 1 or 2, characterized in that one of the telescopic rod (4) and the fixing rod (3) is provided with a first channel (51) therein, and the other is provided in the first channel (51).

4. The adjustable tracheostomy tracheal catheter fixing device of claim 1, wherein a through hole (30) is formed in the fixed jaw (6), a worm (31) capable of rotating relative to the fixed jaw (6) is arranged in the through hole (30), a rack (20) is arranged on the movable jaw (7), a second channel (42) is formed in the inner side wall (41) of the movable jaw (7), the rack (20) is rotatably connected with the worm (31) after penetrating through the second channel (42), and teeth on the rack (20) are meshed with worm teeth on the worm (31).

5. The adjustable total laryngectomy endotracheal tube fixing device as recited in claim 4, wherein said worm (31) is provided in the through hole (30) and rotates around a central axis of the worm (31).

6. The adjustable total laryngectomy endotracheal tube fixing device as recited in claim 4, characterized in that the fixed jaw (6) and the movable jaw (7) are provided with concave arc structures at opposite sides of the movable jaw (7) in the moving direction relative to the fixed jaw (6).

7. The endotracheal tube fixing device in the adjustable total laryngectomy as claimed in claim 1, characterized in that a rotation interval limiting device for limiting the distance between the movable claw (7) and the fixed claw (6) is arranged between the movable claw (7) and the fixed claw (6).

8. The adjustable total laryngectomy endotracheal tube fixing device according to claim 7, characterized in that said rotation range limiting means comprises a limiting projection (21) located in the moving direction of the rack (20).