CN216148004U

CN216148004U - Disposable medical electronic endoscope with light-conducting water channel

Info

Publication number: CN216148004U
Application number: CN202122232257.8U
Authority: CN
Inventors: 陈虞祥
Original assignee: Shenzhen Sima Instrument Co ltd
Current assignee: Shenzhen Sima Instrument Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-04-01
Anticipated expiration: 2031-09-15

Abstract

A disposable medical electronic endoscope with a light-conducting water channel is disclosed, which mainly comprises an inner tube for taking a picture and an outer tube of the endoscope. Compared with the prior art, the endoscope has the advantages that the volume of the endoscope is reduced, the influence of heat generated by the light source on a patient is avoided, and the risk of infection of the patient is reduced. The inner tube of making a video recording mainly is fixed in proper order by unable adjustment base, inner tube body, light source, camera lens, circuit joint wire. The inner tube body is made of stainless steel and is integrally injection-molded with the fixed base. The camera shooting outer tube is of a hollow structure and is used for the camera shooting inner tube to penetrate through, the outer tube body is made of high-light-transmittance materials and is provided with a water inlet and a water outlet, and a gap between the camera shooting inner tube and the endoscope outer tube is a water channel, so that the volume of the endoscope is reduced. The inner tube of making a video recording is connected into an organic whole component through fixed connector with the endoscope outer tube, and light sees through the body and propagates to the endoscope front end, provides annular illumination light to the heat of avoiding the light source production causes the influence and reduces the risk that the patient infects to the patient.

Description

Disposable medical electronic endoscope with light-conducting water channel

Technical Field

The utility model relates to the field of medical instruments, in particular to a disposable medical electronic endoscope with a light-conducting water channel.

Background

An endoscope is a common medical instrument and enters the human body from a natural duct or an operation incision of the human body to directly peen changes of relevant parts. At present, endoscopes have been developed from the early first generation hard tube endoscope and the second generation fiber endoscope to the third generation electronic endoscope, and are characterized in that an image sensor and a light source are arranged at the front end of the endoscope, optical signals are converted into electric signals, and the electric signals are transmitted to a computer for processing and displaying in a digital image mode, so that the operation is simple and convenient.

In the known existing endoscope, a special water channel is required to be matched for washing a lens and sucking liquid in the operation process, so that the observation or the operation is facilitated. The traditional endoscope is not suitable for certain narrow channels or wounds due to the fact that the water channel is separately arranged, and meanwhile, the adopted heat light source is located at the front end of the endoscope and enters a patient to generate heat seriously, discomfort and pain are brought to the patient, and the risk of operation is increased.

In order to solve the pain points, the utility model provides a disposable medical electronic endoscope with a light-conducting water channel, the endoscope adopts a light-conducting pipe to replace the traditional water channel, the water channel and the endoscope are integrated into a whole, the volume of the endoscope is further reduced, meanwhile, the endoscope light source is positioned outside the body of a patient, the light is transmitted through the light-conducting pipe to improve the illumination, and the pain of the patient and the risk of the operation can be effectively reduced.

Disclosure of Invention

In view of the above situation, the present invention provides a disposable medical electronic endoscope with a light-guiding water channel, which solves the problem of heat generation of a light source in a patient, reduces the volume of the endoscope, relieves the pain of the patient, and reduces the risk of operation.

The technical scheme is as follows: the utility model provides a disposable medical electronic endoscope with a light-conducting water channel, which comprises an inner camera tube and an outer endoscope tube, wherein the inner camera tube comprises a circuit connector, a fixed base, a light source, an inner tube body, a camera and a lens, and the outer endoscope tube comprises a water inlet/outlet, a water flow switch, a fixed connecting piece and an outer tube body.

Preferably, the inner pipe body and the fixed base are integrally formed by injection molding to form a fixed part which is of a hollow structure.

Furthermore, the fixed base is provided with a slot position for a lead to pass through and be connected with a circuit connector.

Furthermore, the camera and the lens are arranged at the front end of the inner tube body.

Preferably, the inner tubular body is made of stainless steel.

Furthermore, the front end of the inner pipe body can be set to be an inclined opening or a flat opening according to requirements.

Furthermore, the camera shooting inner tube and the endoscope outer tube are connected through a fixed connecting piece to form a fastening component.

Preferably, fixed connector divide into two parts, and upper portion fixed connector inboard is provided with the screw thread, and the inside and outside two-way screw thread that is provided with respectively of lower part fixed connector, inner wall screw thread and unable adjustment base go up screw-thread fit, and outer wall screw thread and upper portion mounting cooperation have buckle and outer tube body front end buckle cooperation on the inner wall simultaneously. The lower part fixed connecting piece is connected with the fixed base through threads, the outer tube body is fastened with the fixed base through a buckle, and the upper part fixed connecting piece is connected with the lower part fixed connecting piece through threads and is fixed by glue dripping between the threads. Because the screw thread is two-way setting, upper portion fixed connector can fasten outer tube body and unable adjustment base once more in the installation.

Furthermore, the outer tube of the endoscope is of a hollow structure, and high-transmittance materials such as PC, PMMA, glass and the like can be adopted.

Furthermore, a gap is formed between the camera shooting inner tube and the endoscope outer tube, and water can flow through the gap.

Furthermore, the light source is fixed on the fixed base, and light is transmitted to the front end through the wall of the outer tube of the endoscope to provide illumination for the camera to collect images, so that the effect of isolating the heat source is achieved.

Preferably, the outer pipe of the endoscope with the water outlet and the water inlet can be of an integrally formed structure, and an independent pipe fitting can be inserted into and fixed with the outer pipe of the endoscope.

The utility model has the advantages and characteristics that compared with the prior art, the utility model has the following advantages and characteristics

1. The light-permeable hard hollow outer tube is adopted to replace a hard straight tube of a water channel on a traditional endoscope, light is generated by a light source at the fixed base and is transmitted to the front end of the camera shooting assembly through the tube body of the outer tube of the endoscope, sufficient light is provided for a camera to collect images, and meanwhile, the effect of isolating heat generated by the light source is achieved;

2. the light-permeable hard hollow outer tube replaces a hard straight tube on the traditional endoscope, and a light source rear-mounted design replaces a light source channel on the traditional endoscope, so that cables passing through a pipe fitting are reduced, and the volume of the endoscope is reduced;

3. the endoscope of the utility model is a disposable replaceable component, reduces the risk of infection of patients, adopts the design of the plug-in connector, is simple and convenient to assemble and disassemble, and is convenient for doctors to use.

Drawings

FIG. 1 is a block diagram of the present invention

FIG. 2 is a partial enlarged view of part A of the present invention

FIG. 3 is a partial enlarged view of part B of the present invention

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings. The lower definition is defined herein as the front end near the camera and the back end far from the camera.

Referring to fig. 1, the disposable electronic endoscope with a light-guiding water channel provided by the utility model is mainly divided into an image-taking inner tube 1 and an endoscope outer tube 2. The camera shooting inner tube 1 mainly comprises a fixed base 11, a circuit connector 12, a lead 13, a light source 14, an inner tube body 16, a lens 17 and a camera 18. The inner tube body 16 is a rigid straight tube, can be made of stainless steel, and is integrally injection-molded with the fixed base 11. The endoscope outer tube 2 is composed of an outer tube body 23, a water inlet and outlet 22, a water flow switch 21 and a fixed connecting piece 24. The outer tube body 23 is a rigid straight tube and is made of high-transmittance materials such as PC, PMMA, glass and the like. The water inlet and outlet 22 is connected with an external water supply system and a water absorption system pipeline, the water flow switch 21 is arranged on the water inlet and outlet 22 and used for controlling the on-off of water flow, the water inlet and outlet 22 is symmetrically arranged, and a doctor can hold the component to control the direction and water flow of the endoscope in the using process. Preferably, the inlet/outlet 22 is integrally formed with the outer tube 23, or is separately manufactured and connected to the outer tube to form a fixing member. The light source 14 is arranged at the front end of the fixed base 11 in an annular arrangement and is matched with the endoscope outer tube 2, the light source 14 can be a patch type LED light source, light generated by the light source 14 is transmitted to the front end of the endoscope outer tube 2 through the outer tube body 23, and annular illumination is provided for the camera 18 to collect image signals.

The lens 17 is arranged at the front end of the camera shooting inner tube 1 and sealed by glue, and the camera 18 is arranged behind the lens 17 in the inner tube body 16. The lead wire 13 is passed through the inner tubular body 16 and the hollow portion of the fixing base 11, and connected to the circuit terminal 12. The circuit connector 12 is installed at the rear end of the fixed base 11, and converts a conducting wire into a circuit interface, such as type-c, micro-USB, aviation plug and the like, so that the plug-in type quick connection with external equipment is realized, and the disassembly and the assembly are simple and convenient.

As shown in fig. 2, the imaging inner tube 1 and the endoscope outer tube 2 are connected by a fixed connector 24 to form a fastening member. The fixed connecting piece 24 is divided into an upper fixed connecting piece 241 and a lower fixed connecting piece 242, threads are arranged on the inner side of the upper fixed connecting piece 241, two-way threads are arranged on the inner side and the outer side of the lower fixed connecting piece 242 respectively, inner wall threads are in threaded fit with the rear end of the fixed base 11, outer wall threads are in fit with the upper fixed piece 241, and meanwhile, buckles are arranged on the inner wall and are in fit with the front end of the outer pipe body 23. The lower fixing connector 242 is connected with the fixing base 11 by a screw thread, the outer tube body 23 is fastened with the fixing base 11 by a buckle, and the upper fixing connector 241 is connected with the lower fixing connector 242 by a screw thread and fixed by dropping glue between the screw threads. Because the threads are bi-directional, the upper fixing connector 241 can re-fasten the outer tubular body 23 to the fixing base 11 during installation. A slot is arranged in the fixed base 11 for the lead 13 to pass through and be connected with each component. And a waterproof rubber ring 15 is arranged between the camera shooting inner tube 1 and the endoscope outer tube 2 and used for blocking water flow and protecting electronic elements.

As shown in fig. 3, a gap is provided between the imaging inner tube 1 and the endoscope outer tube 2, through which water flows. Light propagates through the outer tube body 23 to the front end, providing annular illumination for the camera 18 to collect image signals.

The working principle and the process are as follows: the utility model provides a disposable electronic endoscope with a light-conducting water channel, which is connected with an upper computer through a fixed base 11 in a plug-in mode, and a doctor holds a water inlet/outlet 22 part to control the visual field direction and the water flow of the front end endoscope. A gap is arranged between the camera shooting inner tube 1 and the endoscope outer tube 2, and water can flow through the gap. The camera 18 collects front-end image signals and transmits the image signals to the upper computer for display through the internal lead 13. Because the endoscope outer tube body 23 is made of high-transmittance materials such as PC, PMMA, glass, and the like, light emitted by the light source 14 can be transmitted to the front end of the endoscope through the outer tube body 23 to provide annular illumination light for the camera 18. Therefore, the water channel and the light channel in the traditional endoscope are combined, the size of the endoscope is reduced, heat generated by the light source is isolated, and pain and risk of a patient in the operation process are relieved.

In conclusion, the light guide channel and the water inlet and outlet channel in the traditional endoscope are combined, so that the light channel does not need to be arranged independently, and members and cables entering the human body part on the endoscope are reduced, so that the volume of the endoscope can be greatly reduced, heat generated by a light source is isolated, and the pain of a patient is reduced. Meanwhile, the utility model adopts the plug-in connection mode with the external equipment, is simple and convenient to operate, is designed into a disposable component and reduces the risk of infection of patients.

The above embodiments are not intended to limit the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A disposable medical electronic endoscope with a light-conducting water channel is characterized by comprising an image pickup inner tube (1) and an endoscope outer tube (2), wherein the image pickup inner tube (1) comprises a fixed base (11), a circuit connector (12), a lead (13), a light source (14), an inner tube body (16), a lens (17) and a camera (18), and the endoscope outer tube (2) comprises an outer tube body (23), a water inlet/outlet (22), a water flow switch (21) and a fixed connecting piece (24);

the inner pipe body (16) and the outer pipe body (23) are hard straight pipes;

the outer tube body (23) is made of high-light-transmittance materials, and comprises PC, PMMA and glass;

the camera shooting inner tube (1) and the endoscope outer tube (2) are mutually connected through a fixed connecting piece (24) to form a fastener;

the fixed connecting piece (24) consists of an upper fixed connecting piece (241) and a lower fixed connecting piece (242), wherein the inner side of the upper fixed connecting piece (241) is provided with threads, and the inner side and the outer side of the lower fixed connecting piece (242) are respectively provided with two-way threads;

the inner pipe body (16) and the fixed base (11) are manufactured by injection molding and integral molding;

the water inlet and outlet (22) is arranged in a central symmetry mode by taking the camera shooting inner pipe (1) as an axis;

the water inlet and outlet (22) and the outer pipe body (23) are manufactured by injection molding and integral molding;

the circuit connector (12) is arranged at the rear end of the fixed base (11), and the circuit connector (12) converts the conducting wire (13) into a circuit interface;

the light source (14) is a patch type LED light source and is annularly arranged, fixed in a groove of the fixed base (11) and tightly attached to the bottom of the endoscope outer tube (2).

2. The disposable medical electronic endoscope with the light guide water channel as claimed in claim 1, wherein a waterproof rubber ring (15) is arranged between the image pickup inner tube (1) and the endoscope outer tube (2).

3. The disposable medical electronic endoscope with the light guide water channel as claimed in claim 1, characterized in that the fixing base (11) and the fixing connector (24) are made of polyetheretherketone.

4. The disposable medical electronic endoscope with the light guide water channel as claimed in claim 1, characterized in that the front ends of the image pick-up inner tube (1) and the endoscope outer tube (2) are straight.

5. A disposable medical electronic endoscope with light conductive water channel according to claim 1, characterized in that the circuit connector (12) adopts type-c, micro-USB, aviation plug type interface.