Optical device suitable for endoscope fluorescence camera system

Abstract

The utility model belongs to the technical field of medical auxiliary equipment, and particularly relates to an optical device suitable for an endoscope fluorescence camera system. The light source module comprises a white light source and a fluorescent light source which have light paths in the same direction and are parallel, an integrated lens arranged on the light paths of the white light source and the fluorescent light source, a beam splitter prism arranged on the light path of the white light source, and a total reflection mirror and a semi-transparent semi-reflection mirror which are arranged on the reflection light path of the beam splitter prism; the beam splitter prism is used for reflecting the parallel light passing through the integrated lens to form two beams of parallel light which comprise a main channel and an auxiliary channel and are opposite in direction; the holophote is used for reflecting the parallel light of the secondary channel, focusing through the focusing lens and outputting a secondary light guide beam; the semi-transparent semi-reflecting mirror is used for reflecting the parallel light of the main channel, overlapping the parallel light with the parallel fluorescence emitted by the fluorescence source, and outputting a dominant light beam through focusing of the focusing lens; according to the utility model, the cold light source can be output in two paths, one set of optical device is provided to meet the requirement of a double-mirror combined operation, and the medical cost of the operation is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical auxiliary equipment, and in particular relates to an optical device suitable for an endoscope fluorescence camera system. Background Art

[0002] At present, more and more fluorescence endoscopes are used to observe the activity and metastasis of microscopic molecules such as tumor cells and cancer lesions, which is helpful for the diagnosis and timely treatment of diseases. Excitation fluorescence imaging, as an imaging method, is widely used in photodynamic therapy (PDT).

[0003] Cold light source is an important component of fluorescent endoscope camera system, and its main function is to provide illumination for the camera host. For double-mirror combined surgery, the traditional method is to use two camera hosts and two cold light sources. At the current stage, this method wastes the limited resources of the hospital, and the hospital needs to purchase an extra camera system, which will increase the costs of such surgery. Utility Model Content

[0004] The purpose of the utility model is to provide an optical device suitable for an endoscope fluorescence camera system in order to solve the above-mentioned problem.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] An optical device suitable for an endoscope fluorescence camera system, comprising an outer shell, and a light source module arranged in the outer shell, the light source module comprising a mounting plate, and a white light source and a fluorescent source with the same and parallel optical paths, and an integrated lens arranged on the optical paths of the white light source and the fluorescent source, and a beam splitter prism arranged on the optical path of the white light source, and a total reflection mirror and a semi-transparent half-reflection mirror arranged on the reflected optical path of the beam splitter prism, and a focusing lens arranged on the reflected optical paths of the total reflection mirror and the semi-transparent half-reflection mirror;

[0007] The beam splitter prism is used to reflect the parallel light through the integrated lens to form two beams of parallel light in opposite directions, including a main channel and a sub-channel;

[0008] The total reflection mirror is used to reflect the parallel light of the auxiliary channel and then focus it through a focusing lens to output a secondary light beam;

[0009] The semi-transparent and semi-reflective mirror is used to reflect the parallel light of the main channel and overlap it with the parallel fluorescence emitted by the fluorescence source, and then focus it through a focusing lens to output a leading light beam.

[0010] A further improvement is that the secondary light beam is parallel to the primary light beam.

[0011] A further improvement is that a heat sink is provided inside the outer shell and at the rear ends of the white light source and the fluorescent source.

[0012] A further improvement is that an electric control module electrically connected to the light source module is provided in the outer shell, and a main control screen electrically connected to the electric control module is provided on the outer shell.

[0013] A further improvement is that the outer shell is provided with a sub-guide light beam interface for receiving the sub-guide light beam and a main light beam interface for receiving the main light beam.

[0014] A further improvement is that a focusing point 1 in the auxiliary light beam focused and output by the focusing lens is located in the auxiliary light beam interface, and a focusing point 2 in the main light beam focused and output by the focusing lens is located in the main light beam interface.

[0015] The beneficial effects of the utility model are:

[0016] In the utility model, the light source module reflects the integrated parallel visible light into two halves by using a beam splitter prism, wherein one group of visible light is reflected by a total reflector and then output as a secondary light beam after passing through a focusing lens, and the other group of visible light is refracted by a semi-transparent and semi-reflective mirror to coincide with the parallel fluorescence emitted by the fluorescence source, and then output as a primary light beam after using a focusing lens; the application enables the cold light source to be output in two paths, and provides a set of optical devices to meet the needs of double-mirror combined surgery, thereby reducing the medical costs of such surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of the shell of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the optical module in the utility model;

[0020] Figure 4 It is a top view of the optical module in the utility model;

[0021] Figure 5 It is a schematic diagram of the optical principle of the optical module in the utility model.

[0022] In the figure: 1. outer shell; 2. light source module; 3. electronic control module; 4. secondary light beam interface; 5. primary light beam interface; 6. main control screen; 21. mounting plate; 22. white light source; 23. fluorescent source; 24. heat sink; 25. integrated lens; 26. beam splitter; 27. total reflector; 28. semi-transparent semi-reflector; 29. ​​focusing lens; 30. focusing point one; 31. focusing point two. DETAILED DESCRIPTION

[0023] The present application is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technical personnel in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0024] Example 1

[0025] like Figure 1-5 As shown, in view of the problem that two cold light sources are required in the double-mirror combined surgery in the prior art, this embodiment proposes an optical device suitable for an endoscopic fluorescent camera system, including an outer shell 1, and a light source module 2 arranged in the outer shell 1, the light source module 2 includes a mounting plate 21, and a white light source 22 and a fluorescent source 23 with the same and parallel optical paths, and an integrated lens 25 arranged on the optical paths of the white light source 22 and the fluorescent source 23, and a beam splitter prism 26 arranged on the optical path of the white light source 22, and a total reflection mirror arranged on the reflected optical path of the beam splitter prism 26 27 and a semi-transparent and semi-reflecting mirror 28, and a focusing lens 29 arranged on the reflected light path of the total reflection mirror 27 and the semi-transparent and semi-reflecting mirror 28; the dichroic prism 26 is used to reflect the parallel light passed through the integrating lens 25 to form two parallel light beams in opposite directions including a main channel and a sub-channel; the total reflection mirror 27 is used to reflect the parallel light of the sub-channel and focus it through the focusing lens 29 to output a sub-guide light beam; the semi-transparent and semi-reflecting mirror 28 is used to reflect the parallel light of the main channel and make it overlap with the parallel fluorescence emitted by the fluorescent source 23, and then focus it through the focusing lens 29 to output a dominant light beam.

[0026] In this embodiment, the integrated lens 25 at the output end of the white light source 22 is a white light integrated lens, and the integrated lens 25 at the output end of the fluorescent source 23 is a fluorescent integrated lens; the white light source 22 is specifically a white light lamp bead, and the fluorescent source 23 is specifically a fluorescent lamp bead.

[0027] Working principle of light source module 2: In this embodiment, combined with Figure 5 In this embodiment, the integrated parallel visible light is reflected into two halves by using a beam splitter prism 26, one group of visible light is reflected by a total reflector 27 and then output as a secondary light beam after passing through a focusing lens 29, and the other group of visible light is refracted by a semi-transparent semi-reflector 28 to coincide with the parallel fluorescence emitted by the fluorescence source 23, and then output as a primary light beam after passing through a focusing lens 29. That is, the present application realizes that the cold light source can be output in two ways, and provides a set of optical devices to meet the needs of double-mirror combined surgery.

[0028] Combination Figure 3 , 4 And 5, further preferably, the auxiliary light beam and the main light beam are parallel, that is, the total reflection mirror 27 and the semi-transparent semi-reflection mirror 28 are both placed on the mounting plate 21 at an angle of 45°.

[0029] Combination Figure 2Further preferably, a heat sink 24 is provided in the outer shell 1 and at the rear ends of the white light source 22 and the fluorescent source 23 .

[0030] Combination Figure 1 and 2 Further preferably, an electric control module 3 electrically connected to the light source module 2 is provided in the outer shell 1, and a main control screen 6 electrically connected to the electric control module 3 is provided on the outer shell 1. A sub-beam interface 4 for receiving the sub-beam and a main beam interface 5 for receiving the main beam are provided on the outer shell 1. A focus point 1 30 in the sub-beam focused and output by the focusing lens 29 is located in the sub-beam interface 4, and a focus point 2 31 in the main beam focused and output by the focusing lens 29 is located in the main beam interface 5.

[0031] In some embodiments, the electric control module 3 includes a main control board and a power supply. The main control board is used to be electrically connected to the white light source 22 and the fluorescent source 23 in the light source module 2, and the power supply is used to supply power to the above-mentioned electrical components.

[0032] More specifically, after the light guide interface (sub-light guide interface 4 and main light guide interface 5) and the light source module 2 installation interface are fixed, the light guide interface is plugged in so that its light incident surface is near the focus (focus point 1 30 and focus point 2 31). After the power supply is turned on, the main control screen 6 can adjust the brightness of the two light paths (main light beam and sub-light guide) output and whether to output light by controlling the brightness of the light emitting unit (white light source 22 and fluorescent light source 23) and the number of light emitting units.

[0033] It should be noted that, in this embodiment, the beam splitter prism 26, the total reflection mirror 27, the semi-transparent and semi-reflective mirror 28 and the focusing lens 29 on the mounting plate 21 should all be adaptively mounted by selecting corresponding mounting seats.

[0034] For those skilled in the art, it is obvious that the embodiments of the present invention are not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the embodiments of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the embodiments of the present invention is limited by the attached claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the embodiments of the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved. In addition, it is obvious that the word "including" does not exclude other units or steps, and the singular does not exclude the plural. Multiple units, modules or devices stated in the system, device or terminal claims can also be implemented by the same unit, module or device through software or hardware. The words first, second, etc. are used to indicate the name, and do not indicate any specific order.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An optical device suitable for an endoscope fluorescence camera system, characterized in that: The invention comprises an outer shell (1) and a light source module (2) arranged in the outer shell (1), wherein the light source module (2) comprises a mounting plate (21), a white light source (22) and a fluorescent light source (23) having the same and parallel optical paths, an integrated lens (25) arranged on the optical paths of the white light source (22) and the fluorescent light source (23), a beam splitter prism (26) arranged on the optical path of the white light source (22), a total reflection mirror (27) and a semi-transparent half reflection mirror (28) arranged on the reflected optical path of the beam splitter prism (26), and a focusing lens (29) arranged on the reflected optical path of the total reflection mirror (27) and the semi-transparent half reflection mirror (28); The beam splitter prism (26) is used to reflect the parallel light passing through the integrated lens (25) to form two beams of parallel light in opposite directions, including a main channel and a sub-channel; The total reflection mirror (27) is used to reflect the parallel light of the secondary channel and then focus it through a focusing lens (29) to output a secondary light beam; The semi-transparent and semi-reflective mirror (28) is used to reflect the parallel light of the main channel to overlap with the parallel fluorescence emitted by the fluorescence source (23), and then focus the main light beam through the focusing lens (29).

2. The optical device suitable for an endoscope fluorescence camera system according to claim 1, characterized in that: The secondary light beam is parallel to the primary light beam.

3. The optical device suitable for an endoscope fluorescence camera system according to claim 1, characterized in that: A heat sink (24) is provided inside the outer shell (1) and at the rear ends of the white light source (22) and the fluorescent source (23).

4. The optical device suitable for an endoscope fluorescence camera system according to claim 1, characterized in that: An electric control module (3) electrically connected to the light source module (2) is arranged inside the outer shell (1), and a main control screen (6) electrically connected to the electric control module (3) is arranged on the outer shell (1).

5. The optical device suitable for an endoscope fluorescence camera system according to claim 1, characterized in that: The outer shell (1) is provided with a sub-guide light beam interface (4) for receiving the sub-guide light beam and a main light beam interface (5) for receiving the main light beam.

6. The optical device suitable for an endoscope fluorescence camera system according to claim 5, characterized in that: A focusing point 1 (30) in the auxiliary light beam that is focused and output by a focusing lens (29) is located in the auxiliary light beam interface (4), and a focusing point 2 (31) in the main light beam that is focused and output by a focusing lens (29) is located in the main light beam interface (5).

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