CN217566014U

CN217566014U - Disposable double-lumen tube visible laryngoscope

Info

Publication number: CN217566014U
Application number: CN202221169445.9U
Authority: CN
Inventors: 王锦; 李心怡; 宋学敏
Original assignee: Zhongnan Hospital of Wuhan University
Current assignee: Zhongnan Hospital of Wuhan University
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-10-14
Anticipated expiration: 2032-05-16

Abstract

The utility model relates to a fibre laryngoscope technical field just discloses disposable double lumen pipe visual laryngoscope, including the handle of one end fixed mounting eyepiece, the one end threaded connection of handle surface has the holding ring that is used for fixing, the inner wall of holding ring is pegged graft and is had the pipe that is used for the protection, the protective sheath that is used for the protection has been cup jointed to the surface of pipe, the top fixedly connected with of handle surface is used for the positioning seat of installation, the both sides that the handle surface is located the positioning seat are all pegged graft and are had the gas-supply pipe that is used for conveying gas. This disposable double-chamber tube visual laryngoscope sets up through the cooperation of gas transmission hole and gas-supply pipe, can be very convenient aerify to pipe inside to utilize the gas expansion's characteristic to keep the holistic shape of pipe, thereby effectively avoid the pipe to buckle, thereby protect optic fibre, and according to the difference of both sides aeration capacity, can be that the pipe is crooked toward the direction of difference, thereby make things convenient for objective to observe.

Description

Disposable double-lumen visual laryngoscope

Technical Field

The utility model relates to the technical field of fiber laryngoscopes, in particular to a disposable double-cavity tube visible laryngoscope.

Background

Because the throat position is deep, the physiological structure is complex, direct peeping can not be realized, and special examination methods such as indirect laryngoscope, direct laryngoscope, fiber laryngoscope, electronic laryngoscope, stroboscopic laryngoscope, ultra-high speed cinematography, sonogram or glottigram are needed in the process of throat examination.

Chinese patent publication No. CN201505123U discloses a guide type fiber laryngoscope, including handle portion, flexion and video system, the one end of handle portion is connected with the one end of flexion, the video system includes eyepiece, optical fiber and light source, the other end at handle portion is established to the eyepiece, optical fiber establishes the inside of handle portion and flexion, the side surface at handle portion is established to the light source, a serial communication port, handle portion with the inside cavity of flexion and constitute the guide passageway, and side surface opening at handle portion and constitute the guide entry of guide passageway, the other end of flexion constitutes the guide export of guide passageway, the utility model discloses a guide type fiber laryngoscope device has convenient to use, and is amazing little to the oropharyngeal throat, characteristics such as application scope is wide.

However, the utility model is not convenient to adjust the bending direction of the catheter in practical use, and also can not facilitate the operation of the surgical forceps and other tools extending into the throat along the catheter, thereby being inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a disposable double-lumen visual laryngoscope, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a disposable double-cavity tube visible laryngoscope comprises a handle, wherein an ocular lens is fixedly arranged at one end of the handle, a positioning ring for fixing is connected to one end of the outer surface of the handle in a threaded manner, a catheter for protecting is inserted into the inner wall of the positioning ring, a protective sleeve for protecting is sleeved on the outer surface of the catheter, a positioning seat for installing is fixedly connected to the top of the outer surface of the handle, gas pipes for conveying gas are inserted into two sides of the outer surface of the handle, which are located on the positioning seat, respectively, and a gas conveying hole for conveying gas is formed in one end of the catheter.

Optionally, an optical fiber for transmission is inserted into one end of the handle, and an objective lens for sampling is fixedly mounted at the other end of the optical fiber.

Optionally, the inner wall of the positioning ring is provided with a limiting groove for limiting, one end of the outer surface of the conduit is sleeved with a limiting ring for limiting, and the outer surface of the limiting ring is clamped with the inner wall of the limiting groove.

Optionally, the outer surface of the positioning seat is fixedly connected with a connecting band for connection and fixation, and one end of the connecting band is fixedly connected with a sealing plug for sealing.

Optionally, a mounting hole for mounting is formed below one end of the conduit, and the inner wall of the mounting hole is sleeved with the outer surface of the optical fiber.

Optionally, a guide hole for assisting sliding is formed above one end of the guide pipe, and an inner wall of the guide hole is communicated with an inner wall of the positioning seat.

(III) advantageous effects

The utility model provides a disposable double lumen tube visual laryngoscope possesses following beneficial effect:

1. this disposable double-chamber tube visual laryngoscope sets up through the cooperation of gas transmission hole and gas-supply pipe, can be very convenient aerify to pipe inside to utilize the gas expansion's characteristic to keep the holistic shape of pipe, thereby effectively avoid the pipe to buckle, thereby protect optic fibre, and according to the difference of both sides aeration capacity, can be that the pipe is crooked toward the direction of difference, thereby make things convenient for objective to observe.

2. This disposable double lumen pipe visual laryngoscope through the setting of positioning seat, can be directly insert treatment instrument such as operation pincers into the pipe to treat the operation to patient's throat, through the setting of holding ring, can finish the back at the device, split pipe and optic fibre, thereby can be very convenient change the pipe.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the explosion structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the positioning ring of the present invention;

fig. 4 is a schematic view of the handle structure of the present invention.

In the figure: 1. a handle; 2. an eyepiece; 3. an optical fiber; 4. an objective lens; 5. a positioning ring; 6. a conduit; 7. a limiting ring; 8. a protective sleeve; 9. positioning seats; 10. a connecting belt; 11. a sealing plug; 12. a gas delivery pipe; 13. mounting holes; 14. a guide hole; 15. and (7) an air delivery hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the disposable double-lumen tube visible laryngoscope comprises a handle 1, one end of which is fixedly provided with an ocular 2, one end of the handle 1 is inserted with an optical fiber 3 for transmission, and the other end of the optical fiber 3 is fixedly provided with an objective lens 4 for sampling;

wherein, one end of the outer surface of the handle 1 is in threaded connection with a positioning ring 5 for fixing, a conduit 6 for protection is inserted into the inner wall of the positioning ring 5, the inner wall of the positioning ring 5 is provided with a limiting groove for limiting, one end of the outer surface of the conduit 6 is sleeved with a limiting ring 7 for limiting, the outer surface of the limiting ring 7 is clamped with the inner wall of the limiting groove, the conduit 6 can be installed and fixed through the arrangement of the positioning ring 5, and the conduit 6 can be conveniently fixed by means of the matching arrangement of the limiting groove and the limiting ring 7, so that the stability of the conduit 6 is ensured, and when the conduit 6 needs to be replaced, the conduit 6 can be conveniently replaced only by taking down the positioning ring 5;

the outer surface of the catheter 6 is sleeved with a protective sleeve 8 for protection, the top of the outer surface of the handle 1 is fixedly connected with a positioning seat 9 for installation, the outer surface of the positioning seat 9 is fixedly connected with a connecting belt 10 for connection and fixation, one end of the connecting belt 10 is fixedly connected with a sealing plug 11 for sealing, the outer surface of the catheter 6 can be protected through the arrangement of the protective sleeve 8, the optical fiber 3 is prevented from being directly extruded by teeth of a patient, so that the optical fiber 3 is prevented from being broken, the positioning seat 9 can be sealed through the arrangement of the sealing plug 11, and treatment tools such as surgical forceps and the like can be directly inserted into the catheter 6 through the arrangement of the positioning seat 9, so that the throat of the patient is treated;

wherein, 1 surface of handle is located the both sides of positioning seat 9 and all pegs graft and have the gas-supply pipe 12 that is used for conveying gas, the mounting hole 13 that is used for the installation is seted up to the below of 6 one end of pipe, the inner wall of mounting hole 13 cup joints with optic fibre 3's surface, cooperation through gas transmission hole 15 and gas-supply pipe 12 sets up, can be very convenient aerify 6 insides of pipe, thereby utilize the holistic shape that gas inflation's characteristic kept the pipe, thereby effectively avoid pipe 6 to buckle, thereby protect optic fibre 3, and according to the difference of both sides inflation volume, can be that pipe 6 bends toward different directions, thereby make things convenient for objective 4 to observe

Wherein, the top of pipe 6 one end is seted up and is used for assisting gliding guiding hole 14, and the inner wall of guiding hole 14 link up mutually with the inner wall of positioning seat 9, and the one end of pipe 6 is seted up and is used for conveying gaseous gas transmission hole 15, sets up through guiding hole 14, can directly insert instruments such as operation pincers to more convenient wearing out pipe 6.

The utility model discloses in, the device's working procedure as follows:

1. firstly unscrewing a positioning ring 5, inserting an optical fiber 3 and an objective lens 4 into a mounting hole 13 of a catheter 6, sleeving the positioning ring 5 on the other end of the catheter 6, screwing one end of a handle 1, and sleeving a protective sleeve 8 on the catheter 6;

2. respectively filling air into the air transmission holes 15 through the air transmission pipe 12, and controlling different air pressures of the two air transmission holes 15 to change the bending direction of the device;

3. when the surgical forceps are required to be used, the sealing plug 11 is opened, the surgical forceps are inserted into the positioning seat 9 and penetrate into the guide hole 14, and then the surgical forceps can extend out of the other end of the catheter 6 to perform treatment operation;

4. after the use, unscrew the holding ring 5, split catheter 6 and optic fibre 3, change catheter 6, disinfect to optic fibre 3 and objective 4 can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Disposable double lumen tube visual laryngoscope includes handle (1) that one end fixed mounting has eyepiece (2), its characterized in that: the utility model discloses a handle, including handle (1), locating ring (5), pipe (9), locating seat (1), handle (1), the one end threaded connection of handle (1) surface has locating ring (5) that are used for fixing, the inner wall of locating ring (5) is pegged graft and is used for the pipe (6) of protection, the surface of pipe (6) has cup jointed protective sheath (8) that are used for the protection, the top fixedly connected with of handle (1) surface is used for positioning seat (9) of installation, the both sides that handle (1) surface is located positioning seat (9) all are pegged graft and are used for conveying gaseous gas pipe (12), gas transmission hole (15) that are used for conveying gaseous are seted up to the one end of pipe (6).

2. A disposable dual lumen visual laryngoscope as claimed in claim 1 wherein: one end of the handle (1) is inserted with an optical fiber (3) for transmission, and the other end of the optical fiber (3) is fixedly provided with an objective lens (4) for sampling.

3. A disposable dual lumen visual laryngoscope as claimed in claim 1, wherein: the inner wall of holding ring (5) is seted up and is used for spacing groove, the one end of pipe (6) surface has cup jointed spacing ring (7) that are used for spacing, the surface of spacing ring (7) and the inner wall joint of spacing groove.

4. A disposable dual lumen visual laryngoscope as claimed in claim 1, wherein: the outer fixed surface of positioning seat (9) is connected with and is used for connecting fixed connecting band (10), the one end fixedly connected with of connecting band (10) is used for sealed sealing plug (11).

5. A disposable dual lumen visual laryngoscope as claimed in claim 1 wherein: and a mounting hole (13) for mounting is formed below one end of the guide pipe (6), and the inner wall of the mounting hole (13) is sleeved with the outer surface of the optical fiber (3).

6. A disposable dual lumen visual laryngoscope as claimed in claim 1 wherein: a guide hole (14) used for assisting sliding is formed in the upper portion of one end of the guide pipe (6), and the inner wall of the guide hole (14) is communicated with the inner wall of the positioning seat (9).