CN210931302U

CN210931302U - Endoscope and cold light source thereof

Info

Publication number: CN210931302U
Application number: CN201920707693.6U
Authority: CN
Inventors: 王超; 缪兴彬; 蔡志权
Original assignee: Zhuhai Seesheen Medical Technology Co ltd
Current assignee: Zhuhai Seesheen Medical Technology Co ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-07-07
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a cold light source for an endoscope, which comprises a light source mounting seat component and a cold light source module arranged on the light source mounting seat component; the cold light source module comprises a cold film reflector, a switch, a light source shell, an LED lamp and an anode thimble; the switch is arranged on the outer surface of the light source shell, the cold film reflector is arranged in the light source shell, the LED lamp is arranged at the focus of the cold film reflector, and the positive thimble can be arranged on the light source mounting seat component; the utility model has the advantages of small, the portability is high, simple structure, low in manufacturing cost, the device is luminous concentrated simultaneously, and illuminance is strong, has promoted the illumination efficiency of optical fiber coupling part to solved cold light source host computer area too big and with the optical fiber coupling part problem of inefficiency.

Description

Endoscope and cold light source thereof

Technical Field

The utility model relates to an endoscope field especially relates to an endoscope and cold light source thereof.

Background

The light source is an indispensable component of the medical endoscope and is also a main influence factor of the imaging quality of the endoscope, and along with the rapid development of the electronic endoscope, the application occasions of the electronic endoscope are more and more popular; most cold light sources are independent host computers at present, the luminous area of the host computer of the cold light source is too large, the coupling part of the host computer and the optical fiber is low in efficiency, the illumination intensity is not high, the host computer is large in size and high in cost, a light guide beam needs to be connected to the handle during use, and the flexibility of the endoscope is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of limited use place and large volume of a cold light source, and provides an endoscope and a cold light source thereof.

The utility model discloses a realize through following technical scheme:

according to a first aspect of the present invention, there is provided a cold light source, comprising a light source mounting base assembly and a cold light source module mounted on the light source mounting base assembly; the cold light source module comprises a cold film reflector, a switch, a light source shell, an LED lamp and an anode thimble; the switch is arranged on the outer surface of the light source shell, the cold film reflector is arranged in the light source shell, the LED lamp is arranged at the focus of the cold film reflector, and the positive thimble can be arranged on the light source mounting seat component; the positive thimble, the LED lamp, the switch and the light source shell are sequentially connected in series, or the positive thimble, the switch, the LED lamp and the light source shell are sequentially connected in series.

As a further improvement of the above scheme, the light source mounting seat assembly comprises a positive contact piece, a light source mounting seat and a light guide beam structure; the light guide beam structure and the positive contact piece are arranged inside the light source mounting seat, the light guide beam structure and the positive contact piece are arranged along the axial direction of the light source mounting seat, the positive contact piece is provided with a through hole, and the center of the through hole and the center of the light guide beam structure are positioned on the same straight line; the positive contact piece outputs an electric signal to the positive thimble, and the electric signal flows through the LED lamp and the switch and then is output to the light source mounting seat from the light source shell.

As a further improvement of the above scheme, the light guide beam structure comprises a light guide beam, a filter and a fixed base; one end of the fixed base is provided with an optical filter, and the other end of the fixed base is provided with a light guide beam; the light source passes through the optical filter and then is collected into the light guide beam.

As a further improvement of the above scheme, the light guide bundle structure further comprises a light guide bundle compression screw, a mounting hole is formed in the side face of the fixing base, and the light guide bundle compression screw fixes the light guide bundle on the fixing base through the mounting hole

As a further improvement of the above scheme, the cold light source module further comprises a sealing ring; the sealing ring is arranged on the outer side surface of the light source shell.

According to a second aspect of the present invention, there is provided a portable endoscope, comprising the above-mentioned cold light source, wherein the light source mounting base assembly is connected to the endoscope main body, and the endoscope main body provides a power supply for the cold light source; the LED lamp emits light, and the light is reflected by the cold film reflector and enters the endoscope main body through the light guide beam.

As a further improvement of the scheme, the light source mounting seat further comprises a disinfection choke plug which is detachably arranged on the light source mounting seat component.

Has the advantages that: the utility model discloses the device has realized luminous effect concentrated, that illumination intensity is high through the cold light source module that adopts to have the switch as the endoscope light source, has promoted the illumination efficiency of optical fiber coupling part from this to increase the security when the switch has promoted the endoscope use, the device simple structure, portable, low in manufacturing cost has solved the bulky problem of cold light source host computer.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:

FIG. 1 is an exploded view of a cold light source;

FIG. 2 is a diagram of a cold light source module;

FIG. 3 is an exploded view of the light source mount assembly;

FIG. 4 is a structural diagram of a light guide bundle;

FIG. 5 is a schematic circuit diagram of a first embodiment of a cold light source module;

fig. 6 is a circuit diagram of a second embodiment of a cold light source module.

Detailed Description

A cold light source for an endoscope, referring to fig. 1 and 2, comprises a cold light source module 1 and a light source mounting seat assembly 2; the cold light source module 1 comprises a cold film reflector 15, a switch 11, a light source shell 12, an LED lamp 14, an anode thimble 16 and a sealing ring 13; the switch 11 is arranged on the outer surface of the light source shell 12 and can control the on-off of the LED lamp 14, the cold film reflector 15 is arranged in the light source shell 12, the LED lamp 14 is arranged on the focus of the cold film reflector 15 and can collect light emitted by the LED lamp 14, the positive thimble 16 is arranged on the light source shell 12, the positive thimble 16, the LED lamp 14, the switch 11 and the light source shell 12 are sequentially connected in series, and the electric connection positions of the LED lamp 14 and the switch 11 can be mutually exchanged; in order to prevent the light source at the front end of the endoscope insertion tube from emitting human eyes by mistake, the light source can be controlled to be turned on and off by pressing the switch 11, the LED lamp 14 is a high-brightness lamp, the cold film reflector 15 can filter out infrared rays which generate heat in illuminating light rays, so that most of the infrared rays are removed by the irradiated light, the positive thimble 16 is an electric signal input end, the light source shell 12 is an electric signal output end, the sealing ring 13 is arranged on the outer side surface of the light source shell 12, and when the endoscope is disinfected, the sealing ring 13 can realize the disinfection of the cold light source module 1, the light source mounting seat assembly 2 and the endoscope main body, so that the effect of preventing disinfectant from overflowing.

Preferably, the LED lamp 14 is placed at one focal point of the cold film reflector 15, and according to the optical characteristics of the cold film reflector 15, any light projected from one focal point to the surface of the cold film reflector 15 is reflected and then necessarily converged at the other focal point without spherical aberration, so that the cold film reflector 15 realizes the function of converging light, thereby improving the utilization efficiency of the light source.

Preferably, referring to fig. 3, the light source mounting base assembly 2 includes a positive contact piece 21, a light source mounting base 22 and a light guide beam structure 23; the positive contact piece 21 is axially arranged in the light source mounting seat 22, and the light source mounting seat 22 is connected with the light guide beam structure 23 through a threaded knob; the positive contact piece 21 outputs the electric signal to the positive thimble 16 of the cold light source module 1, and the electric signal flows through the cold light source module 1 and is output from the light source shell 12 to the light source mounting seat 22; the light source mounting base assembly 2 realizes transmission of electric energy and light energy, and directly conducts the cold light source to the light guide beam 232.

Preferably, referring to fig. 4, the light guide structure 23 includes a light guide compression screw 231, a light guide 232, a light filter 233 and a fixing base 234; the fixed base 234 is provided with a middle through hole, the light guide beam 232 is fixed on the fixed base 234 by the light guide beam compression screw 231 through the middle through hole, the fixed base 234 is provided with the optical filter 233, after most of infrared rays of the light source are filtered by the cold film reflector 15, the residual infrared rays can be filtered through the optical filter 233, and the heat of the light source is reduced again; the light source passes through the filter 233 and then is transmitted into the light guide 232.

A cold light source for an endoscope operates on the principle of: referring to fig. 5, when the switch 11 outside the light source housing 12 is closed, an electrical signal is transmitted from the positive contact piece 21 of the light source mounting base assembly 2, is output to the positive thimble 16 of the cold light source module 1, then flows through the LED lamp 14 inside the light source housing 12 and the switch 11 outside the light source housing 12, and is finally output from the light source housing 12 to the light source mounting base 22; or referring to fig. 6, when the switch 11 outside the light source housing 12 is closed, the electrical signal is transmitted from the positive contact piece 21 of the light source mounting base assembly 2, and is output to the positive thimble 16 of the cold light source module 1, then flows through the switch 11 outside the light source housing 12 and the LED lamp 14 inside the light source housing 12, and is finally output from the light source housing 12 to the light source mounting base 22, at this time, the LED lamp 14 is on; when the switch 11 outside the light source housing 14 is turned off, the positive electrode thimble 16, the LED lamp 14, the switch 11 and the light source housing 14 are connected in series, so that the electrical signal cannot form a loop, and the LED lamp 14 is not turned on.

Referring to fig. 1, a portable endoscope adopts the cold light source as a light emitting source, the light source mounting base assembly 2 is connected with an endoscope main body, and the endoscope main body provides power for the cold light source; the light path from the LED lamp 14 is reflected by the cold film mirror 15 and enters the endoscope body through the light guide 232 of the light source mount assembly 2.

Preferably, the endoscope further comprises a disinfection choke plug 3, and the disinfection choke plug 3 can be mechanically connected with the light source mounting seat assembly 2; the disinfection choke plug 3 is used for disinfecting the endoscope, the cold light source module 1 is taken away during disinfection, the disinfection choke plug 3 is in threaded connection with the light source mounting seat assembly 2, and disinfectant can be prevented from overflowing during disinfection of the endoscope.

The above embodiments are not limited to the embodiments themselves, and the embodiments may be combined with each other to form a new embodiment. The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered within the scope of the technical solutions of the present invention.

Claims

1. A cold light source for an endoscope is characterized by comprising a light source mounting seat assembly (2) and a cold light source module (1) arranged on the light source mounting seat assembly (2); the cold light source module (1) comprises a cold film reflector (15), a switch (11), a light source shell (12), an LED lamp (14) and an anode thimble (16); the switch (11) is arranged on the outer surface of the light source shell (12), the cold film reflector (15) is arranged in the light source shell (12), the LED lamp (14) is arranged on the focus of the cold film reflector (15), and the positive thimble (16) can be installed on the light source installation seat assembly (2); the positive thimble (16), the LED lamp (14), the switch (11) and the light source shell (12) are sequentially connected in series, or the positive thimble (16), the switch (11), the LED lamp (14) and the light source shell (12) are sequentially connected in series.

2. A cold light source according to claim 1, wherein the light source mount assembly (2) comprises a positive contact piece (21), a light source mount (22) and a light guiding beam structure (23); the light guide beam structure (23) and the positive contact piece (21) are arranged inside the light source mounting seat (22), the light guide beam structure (23) and the positive contact piece (21) are arranged along the axial direction of the light source mounting seat (22), the positive contact piece (21) is provided with a through hole, and the center of the through hole and the center of the light guide beam structure (23) are positioned on the same straight line; the positive contact piece (21) outputs an electric signal to the positive thimble (16), and the electric signal flows through the LED lamp (14) and the switch (11) and then is output to the light source mounting seat (22) from the light source shell (12).

3. The cold light source according to claim 2, wherein the light guiding beam structure (23) comprises a light guiding beam (232), a light filter (233) and a fixation base (234); one end of the fixed base (234) is provided with an optical filter (233), and the other end is provided with a light guide beam (232); when the circuit is connected, the light source passes through the filter (233) and is collected in the light guide beam (232).

4. The cold light source of claim 3, wherein the light guide structure (23) further comprises a light guide compression screw (231), a mounting hole is provided on the side of the fixing base (234), and the light guide compression screw (231) fixes the light guide (232) on the fixing base (234) through the mounting hole.

5. A cold light source according to claim 1, wherein said cold light source module (1) further comprises a sealing ring (13); the sealing ring (13) is arranged on the outer side surface of the light source shell (12).

6. An endoscope, characterized in that, comprising the cold light source of claims 1-4, the light source mount assembly (2) is connected to an endoscope body, which supplies power to the cold light source; the LED lamp (14) emits light, and the light is reflected by the cold film reflector (15) and enters the endoscope body through the light guide beam (232).

7. The endoscope of claim 6, further comprising a disinfection bulkhead (3), the disinfection bulkhead (3) being removably mounted on the light source mount assembly (2).