CN217338517U

CN217338517U - Wide-spectrum fluorescence endoscope device

Info

Publication number: CN217338517U
Application number: CN202220515479.2U
Authority: CN
Inventors: 王强斌; 张叶俊; 吴峰
Original assignee: Suzhou Institute of Nano Tech and Nano Bionics of CAS
Current assignee: Suzhou Institute of Nano Tech and Nano Bionics of CAS
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-09-02
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a wide-spectrum fluorescence endoscope device. The broad spectrum fluorescence endoscope apparatus includes: the device comprises a shell capable of being held and a flexible detection tube, wherein a first end of the detection tube is connected with the shell, a second end of the detection tube is a detection end capable of being placed in a region to be detected, and the second end of the detection tube is provided with more than two imaging objective lenses; the infrared light source, the visible light source, the image detection mechanism and the control mechanism are arranged in the shell, the infrared light source and the visible light source are respectively connected with at least one imaging objective lens through optical fiber cables, and the control mechanism is respectively connected with the image detection mechanism, the display mechanism, the infrared light source and the visible light source. The embodiment of the utility model provides a wide spectrum fluorescence endoscope device can realize higher space-time resolution.

Description

Wide-spectrum fluorescence endoscope device

Technical Field

The utility model relates to an endoscope device, in particular to wide spectrum fluorescence endoscope device belongs to check out test set technical field.

Background

The medical endoscope is widely used for clinical detection and operation at present, integrates multiple subjects such as optics, imaging, human engineering and the like, provides a reliable image basis which is difficult to provide for in vitro diagnosis for clinical diagnosis, and provides a solution for diagnosis and treatment of various diseases such as digestive tract diseases, vascular systems, otolaryngology diseases, abdominal cavity system diseases and the like.

Over the centuries, endoscopes have proposed many advanced endoscope designs in addition to the ever-increasing imaging resolution of many brands, such as olympus, Xion, germany, and the like, in japan. Such as the double-color narrow-bandwidth endoscope of olympus, limits light with different wavelengths and only leaves red, green and blue narrow-band light waves. The narrow-band light waves penetrate through gastrointestinal mucosa at different depths, so that blood vessels at different depths are penetrated. The German Xion 3D imaging hard lens realizes real-time three-dimensional image imaging through double-optical-path design, improves the stereoscopic impression of endoscopic images, and is favorable for clinicians to observe the tissue depth in the endoscopic images.

However, the optical imaging wavelengths of the current endoscope are basically based on the visible light region (400-. And the short-wave infrared (900-2500nm) fluorescence imaging has lower tissue scattering and absorption and higher penetration depth, so that the short-wave infrared endoscope optical imaging system has higher space-time resolution and detection depth, and has better and wider application prospect.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide a wide-spectrum fluorescence endoscope device to overcome the disadvantages of the prior art.

For realizing the purpose of the utility model, the utility model discloses a technical scheme include:

the embodiment of the utility model provides a wide spectrum fluorescence endoscope device, include:

the device comprises a shell capable of being held and a flexible detection tube, wherein a first end of the detection tube is connected with the shell, a second end of the detection tube is a detection end capable of being placed in a region to be detected, and the second end of the detection tube is provided with more than two imaging objective lenses;

the infrared light source, the visible light source, the image detection mechanism, the control mechanism and the display mechanism are arranged in the shell, the infrared light source and the visible light source are respectively connected with at least one imaging objective lens through optical fiber cables, and the control mechanism is respectively connected with the image detection mechanism, the display mechanism, the infrared light source and the visible light source;

the image detection mechanism can respectively and correspondingly convert short wave infrared fluorescence formed by the region to be detected under the irradiation of the infrared exciting light and visible light reflected by the region to be detected into a short wave infrared fluorescence image signal and a visible light image signal; the display mechanism is used for displaying the visible light image signal and the short wave infrared fluorescence image signal in a manner that the visible light image signal and the short wave infrared fluorescence image signal are visible to human eyes; the control mechanism is used for regulating and controlling the infrared light source and the visible light source.

Compared with the prior art, the utility model has the advantages that: the wide-spectrum fluorescence endoscope device provided by the embodiment of the utility model has simple structure and simple and convenient operation; the embodiment of the utility model provides a wide spectrum fluorescence endoscope device, adopt to include the infrared light source that can provide infrared excitation light and the visible light source that can provide visible light as the light source, can realize higher spatial and temporal resolution; and, the embodiment of the utility model provides a wide-spectrum fluorescence endoscope device has telescopic bellows structure in the flexible detecting tube of adoption for can be more nimble when concrete operation, further improve the degree of depth that detects.

Drawings

FIG. 1 is a schematic diagram of a broad spectrum fluorescence endoscope apparatus provided in an exemplary embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure of the light source, the optical fiber cable and the controller of a broad-spectrum fluorescence endoscope apparatus according to an exemplary embodiment of the present invention;

fig. 3 is a schematic flow chart of imaging with a broad spectrum fluorescence endoscope apparatus provided in an exemplary embodiment of the present invention.

Detailed Description

In view of the deficiencies in the prior art, the inventor of the present invention has made extensive studies and practices to provide the technical solution of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.

The embodiment of the utility model provides a wide spectrum fluorescence endoscope device, wide spectrum fluorescence wherein indicates 350 and supplyes 2500nm wave band, preferably 350 and supplyes 1700 nm's fluorescence, the utility model discloses stretch into being detected the cavity with slender structure (promptly the detecting tube, the biggest external diameter of detecting tube is 1.2-15mm) inside, make the detected position that is marked by fluorescence probe realize 350 and supplyes 2500nm wave band's fluorescence excitation to will be aroused 350 and supplyes 2500nm (preferably 350 and supplyes 1700nm) wave band fluorescence image and present with the mode of image.

Endoscopes are devices that are used by physicians to view the inside of a patient without the need for exploratory surgery, and typically are imaging devices having an insertion tube that is inserted into the patient through a small incision, the imaging device providing a view from the tip of the insertion tube ("distal end"), which may be opposite the hand-held portion of the endoscope ("proximal end"), and displaying that view, for example, on the physician's monitor, and an imaging system that may provide a view of the region of interest to the viewer.

Indocyanine green (ICG) is a dye that binds to proteins in plasma. When excited by light around 808nm, ICG emits fluorescence with a wavelength range of 810nm to 1400 nm. ICG may be injected into the bloodstream and during surgery ICG fluorescence may be imaged to show blood perfusion and vasculature. In endoscopic surgery, a surgeon inserts an endoscope (having a camera and an illumination source at the distal end of the endoscope) to image a surgical area of interest in real time. The embodiment of the utility model provides a pair of wide-spectrum fluorescence endoscope device can help solving in the visible reflection image of real-time acquisition rule, obtains the problem of the infrared fluorescence image of high penetration depth high resolution shortwave in order to show ICG's spatial distribution. ICG near-infrared zone II fluorescence images can provide contrast information that can be used by surgeons to better resolve differences between various body structures. ICG can be replaced by other clinical fluorescent probes with near infrared II region fluorescence.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. One skilled in the relevant art will recognize, however, that the techniques described herein can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring certain aspects.

Reference throughout this specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

the detection device comprises a shell capable of being held and a flexible detection tube, wherein a first end of the detection tube is connected with the shell, a second end of the detection tube is a detection end capable of being placed in a region to be detected, and the second end of the detection tube is provided with more than two imaging objective lenses;

In one embodiment, the visible light source and the infrared light source are independently connected to the control mechanism and can be independently controlled.

In a specific embodiment, the optical fiber cable includes a light guide bundle and an image transmission bundle disposed in parallel in the detection tube, and the light guide bundle and the image transmission bundle can transmit optical signals in the wavelength band of 350-.

In a specific embodiment, the imaging objective lens comprises a plurality of micro lenses sequentially arranged along the transmission direction of light, wherein the diameter of the imaging objective lens is 0.4-10 mm.

In a specific embodiment, the first end of the probe tube has an internal thread structure, the housing has an external thread structure matching the internal thread structure, and the first end of the probe tube is connected with the housing by a threaded connection.

In a specific embodiment, a portion of the probe tube near the first end has a bellows structure capable of being stretched and restored along a length direction thereof by an external force.

In a specific embodiment, the second end of the probe tube is provided with a probe head, the probe head is connected with the probe tube in a threaded connection manner and can be detached, wherein a plurality of cylindrical accommodating cavities are arranged in parallel in the probe head, and each imaging objective lens is correspondingly embedded in one of the accommodating cavities.

In a specific embodiment, the image detection mechanism comprises a camera, the camera is a wide-spectrum sensing camera capable of detecting visible light and short-wave infrared fluorescence simultaneously, or the image detection mechanism comprises a visible light image camera for detecting visible light and a short-wave infrared image camera for detecting short-wave infrared fluorescence.

In one embodiment, the camera includes a detector, and imaging optics and filtering means disposed at a receiving end of the detector for filtering out at least the infrared excitation light, the imaging optics for collecting at least the reflected visible light and the short wave infrared fluorescence and focusing the collected reflected visible light and short wave infrared fluorescence on the detector to form an optical image.

In a specific embodiment, the display mechanism includes a display for displaying the visible light image and the short wave infrared fluorescence image.

The technical solution, the implementation process and the principle thereof will be further explained with reference to the specific implementation examples and the accompanying drawings, and unless otherwise specified, the controller, the laser, the display, the optical fiber cable, the optical lens, the camera and the like used in the embodiments of the present invention are known to those skilled in the art, and are commercially available, and the specific structure and model thereof are not limited herein.

The embodiment of the utility model provides a wide spectrum fluorescence endoscope device, the distal end of this wide spectrum fluorescence endoscope device (this tip inserts in the operation region) have two discrete laser sources and 350-; light of 350-2500nm can be transmitted from a discrete laser source at the proximal end to the distal end through a fiber optic cable (transmission wavelength is preferably 350-1700 nm).

The embodiment of the utility model provides a wide-spectrum fluorescence endoscope device adopts and is used for handling the data of detector output and all can obtain through the market with this data transmission to computer monitor, software, laser instrument, imaging lens, image detector etc. of display, do not do special restriction and explanation to it here, it needs to explain that, the embodiment of the utility model provides a intend to explain this wide-spectrum fluorescence endoscope device's structural component, its imaging principle and imaging process are the same basically with the current endoscope device that technical personnel in the field know, wherein, the utility model provides a wide-spectrum fluorescence endoscope device can be used for diagnosing or the purpose of non-diagnosing.

Example 1

Referring to fig. 1, a wide-spectrum fluorescence endoscope apparatus includes a main body 10 capable of being held, a flexible detection tube 17, an optical fiber cable 11, a visible light source 12, an infrared light source 13, an image detector 14, a controller 15 and a computer system 16, where the main body 10 includes a hard shell, the visible light source 12, the infrared light source 13, the image detector 14 and the controller 15 are enclosed inside the hard shell, the optical fiber cable 11 is disposed in the flexible detection tube 17, one end of the optical fiber cable 11 is connected to the visible light source 12 and the infrared light source 13, the other end is connected to an imaging objective lens located in the detection tube 17, and the controller 15 is connected to the image detector 14, a display, the computer system 16, the visible light source 12 and the infrared light source 13, respectively.

In this embodiment, the image detector 14 can correspondingly convert the short-wave infrared fluorescence formed by the region to be detected under the irradiation of the infrared excitation light and the visible light reflected by the region to be detected into a short-wave infrared fluorescence image signal and a visible light image signal respectively; the controller 14 is used for controlling the infrared light source and the visible light source.

In the present embodiment, the broad spectrum fluorescence endoscope apparatus includes a proximal end (hand-held) and a distal end (an end of the optical fiber cable 11 opposite to the proximal end), the visible light source 12 and the infrared light source 13 are optically coupled to the proximal end of the optical fiber cable 11 to emit light provided by the visible light source 12 and the infrared light source 13 into the optical fiber cable 11 and output from the distal end; wherein the optical fiber cable 11 is configured as a double optical fiber and can transmit both visible light and infrared excitation light at the same time, and the wavelength of the infrared excitation light is outside the wavelength spectrum of the visible light.

In this embodiment, the infrared light source 13 and the visible light source 12 may be an infrared laser and a visible laser with a wavelength of about 808nm, respectively, and the infrared light source 13 may also be replaced by other wavelength lasers, such as: 750nm, 760nm, 780nm, 980nm, 1064nm, 1200nm, 1250nm, 1530nm, etc. The filter may block almost all excitation light at a wavelength around 808nm, but pass light at other wavelengths. The excitation light with the wavelength of about 808nm and the excitation light with the visible wavelength work simultaneously. Excitation light with a wavelength of about 808nm can cause ICG dye in an interested operation region to fluoresce in a short-wave infrared region, and visible light is reflected by organs and the like in an operation region (namely a region to be detected, the same below); visible light is imaged by a visible light detector, short-wave infrared fluorescence is imaged by a short-wave infrared fluorescence detector, two imaging pictures can be separated and can be superposed through a software algorithm, and it is worth noting that the visible light and the short-wave infrared fluorescence can be detected by respective detectors and also can be detected by a wide-spectrum camera, the light sensing range of the wide-spectrum camera comprises the visible light and the short-wave infrared light, if the wide-spectrum camera is selected, the shot picture is a superposed picture of the visible light and the short-wave infrared light, and the two lights can be decomposed through the software algorithm. Note that the software algorithm and the like are commercially available.

It should be noted that fluorescent probes with different wavelengths and excitation light wavelengths can be used, and in addition, more detectors of the same type can be used in the wide-spectrum fluorescence endoscope device for stereo imaging.

In this embodiment, the image detector 14 is coupled to the optical fiber cable 11, and can receive the visible light reflected by the region to be detected and the short-wave infrared fluorescence that has blocked the infrared excitation light to the image detector 14 by the filter, while transmitting most of the reflected visible light and the short-wave infrared fluorescence to the image detector 14.

Referring to fig. 2, fig. 2 shows a structure of a light source in an embodiment of the present invention, the light source includes a visible light source 12 and an infrared light source 13, the visible light source 12 may include one or more visible light lasers, the infrared light source 13 may include one or more infrared lasers, the visible light is emitted from the one or more visible light lasers, and infrared excitation light is emitted from the one or more infrared lasers, the wavelength of the infrared excitation light is longer than the wavelength spectrum of the visible light, the visible light laser and the infrared laser may be a single laser diode capable of emitting light of multiple wavelengths or may be a plurality of independent laser diodes, each laser diode emits light of different wavelengths.

In this embodiment, as shown in fig. 2, the light source may be optically coupled to the optical fiber cable 11 to guide the visible light and the infrared excitation light to the proximal end of the optical fiber cable 11. Thus, the light is transmitted into the fiber optic cable 11 and the light is totally internally reflected within the fiber optic cable 11 until it reaches the distal end from which it is emitted.

In this embodiment, the controller 15 is coupled to the visible light source 12 and the infrared light source 13 to adjust the output of the visible light source 12 and the infrared light source 13, wherein the controller 15 may be part of the processor system, or the controller 15 may be a separate controller for controlling the output of the visible light source 12 and the infrared light source 13; the controller 15 may independently control the intensity of each laser source to balance the amount of infrared excitation light and visible light emitted, and in one embodiment, the visible light source 12 and infrared light source 13 may have any number of light sources (including lasers and/or light emitting diodes).

In this embodiment, the fiber optic cable 11 may include a cladding to promote total internal reflection (e.g., the cladding may include a reflective metal, or a material having a lower index of refraction than the body of the fiber optic cable 11) or contain a plurality of optical fibers.

In this embodiment, the optical fiber cable 11 includes a light guide bundle and an image transmission bundle disposed in parallel in the detection tube, and the light guide bundle and the image transmission bundle can transmit optical signals in the wavelength bands of 350 and 2500 nm.

In this embodiment, the first end of detecting tube has internal thread structure, the shell have with internal thread structure assorted external thread structure, the first end of detecting tube with the shell passes through threaded connection's mode and connects, and, the detecting tube is close to the part of first end has can be under the exogenic action along the bellows structure that self length direction is stretched, is resumeed, when using, can just extend through tensile detecting tube the length of detecting tube to improve the degree of depth and the detection scope of surveying under the condition that does not increase the whole volume of broad spectrum fluorescence endoscope device, make the control of detecting tube more nimble changeable.

It should be noted that the bellows structure is a part of the body of the detection tube, and the bellows structure may be provided with one section or multiple sections arranged at intervals.

In this embodiment, a second end of the probe tube is provided with a probe head, the probe head is connected with the probe tube in a threaded connection manner and can be detached, wherein a plurality of cylindrical accommodating cavities are arranged in parallel in the probe head, an imaging objective lens is arranged in each accommodating cavity in a pair manner, and the imaging objective lens is coupled with the optical fiber cable.

In this embodiment, the imaging objective lens includes a plurality of micro lenses sequentially arranged along the light transmission direction, wherein the diameter of the imaging objective lens is 0.4-10 mm.

In the present embodiment, the wavelength of the short wave infrared fluorescence is 900-2500nm, and the infrared excitation light can be any light having a lower energy than the short wave infrared fluorescence, and it is noted that while in the depicted embodiment, the infrared excitation light and the short wave infrared fluorescence are relatively monochromatic, in other embodiments, the emission profiles of these light sources can be wider such that they include multiple wavelengths of light (and can even include multiple emission peaks).

In this embodiment, the reflected visible light and the short wave infrared fluorescence form image data in the image detector 14, the image data may be separated in real time by the processing system into visible image data and short wave infrared fluorescence image data, in this embodiment, the visible image data substantially corresponds to the reflected visible light received by the image detector 14, and the short wave infrared fluorescence image data substantially corresponds to the short wave infrared fluorescence received by the image detector 14.

In this embodiment, if a wide-spectrum camera is employed, the combined image data may be separated into visible image data and short-wave infrared fluorescence image data; and if the combination of the visible light camera and the short wave infrared camera is adopted, the visible image data and the short wave infrared fluorescence image data can be fused and superposed through a software algorithm.

It is noted that one of ordinary skill in the art will appreciate that all portions of the depicted methods and processes can occur in a processor/controller coupled to or included in an endoscopic device. Further, the endoscope may communicate with the local or remote processor via wireless or wired communication. In some embodiments, the processor/controller may be a distributed system (e.g., in embodiments where large amounts of data need to be processed, such as high definition video). It should be understood that the depicted embodiment illustrates the case where the infrared excitation light is around 808nm and the short-wave infrared fluorescence is 900-2500nm, but in other embodiments, infrared excitation light sources of other wavelengths may be used.

Fig. 3 illustrates a method for medical imaging by a broad spectrum fluorescence endoscope apparatus provided in accordance with an embodiment of the present invention, and some or all of the sequences shown in fig. 3 in which the method occurs should not be considered limiting. Rather, persons of ordinary skill in the art having benefit of the present disclosure will appreciate that some of the methods may be performed in a variety of orders not shown, or even in parallel.

A method of medical imaging with a broad spectrum fluorescence endoscopic device may comprise:

1) simultaneously emitting visible light and infrared excitation light from a distal end of a fiber optic cable of an endoscope, the excitation light having a wavelength outside a wavelength spectrum of the visible light in one embodiment (e.g., the excitation light has a longer wavelength than the visible light);

2) the reflected visible light is received with an image detector, and in one embodiment, the infrared excitation light is blocked by a filter and not absorbed by the image detector. In some embodiments, it may be a notch filter, or any other wavelength selective filtering;

3) short-wave infrared fluorescence emitted from a plurality of dye molecules is received with an image detector and emitted in response to absorption of infrared excitation light by the plurality of dye molecules. The short wave infrared fluorescence may have a longer wavelength than visible or excitation light. The image detector receives the reflected visible light and the short-wave infrared fluorescence simultaneously. The reflected visible light and the short wave infrared fluorescence simultaneously form combined image data in an image detector;

4) separating the combined image data into visible image data; the visible image data is commensurate with reflected visible light received by the image detector;

5) separating the combined image data into short wave infrared fluorescence image data; the short wave infrared fluorescence image data is commensurate with the short wave infrared fluorescence light received by the image detector, and in one embodiment, if a wide spectrum camera is employed, the combined image data is separated into visible image data and short wave infrared fluorescence image data. In one embodiment, if a combination of a visible light camera and a short wave infrared camera is used, the visible image data and the short wave infrared fluorescence image data can be fused and superposed through a software algorithm.

In an embodiment, the visible image data and the short wave infrared fluorescence image data may be used to form a segmented image or may be a superimposed image, which allows the physician to clearly identify different regions of the body during surgery.

The wide-spectrum fluorescence endoscope device provided by the embodiment of the utility model has simple structure and simple and convenient operation; the embodiment of the utility model provides a wide spectrum fluorescence endoscope device, adopt to include the infrared light source that can provide infrared excitation light and the visible light source that can provide visible light as the light source, can realize higher spatial and temporal resolution; and, the embodiment of the utility model provides a pair of broad spectrum fluorescence endoscope device has telescopic bellows structure in the flexible detecting tube of adoption for can be more nimble when concrete operation, further improved the degree of depth that detects.

The above description of illustrated embodiments of the invention, including what is described in the abstract, is not intended to be exhaustive or to limit the invention to the precise forms disclosed. While specific embodiments of, and examples for, the invention are described herein for illustrative purposes, various modifications are possible within the scope of the invention, as those skilled in the relevant art will recognize.

It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, and therefore, the protection scope of the present invention should not be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A broad spectrum fluorescence endoscopic device, comprising:

the image detection mechanism can respectively and correspondingly convert short wave infrared fluorescence formed by the to-be-detected region under the irradiation of the infrared exciting light and visible light reflected by the to-be-detected region into a short wave infrared fluorescence image signal and a visible light image signal; the display mechanism is used for displaying the visible light image signal and the short wave infrared fluorescence image signal in a human eye visible mode; the control mechanism is used for regulating and controlling the infrared light source and the visible light source.

2. The broad spectrum fluorescence endoscopic device of claim 1, wherein: the visible light source and the infrared light source are respectively and independently connected with the control mechanism and can be independently controlled.

3. The broad spectrum fluorescence endoscopic device of claim 1, wherein: the optical fiber cable comprises a light guide beam and an image transmission beam which are arranged in parallel in the detection pipe, and the light guide beam and the image transmission beam can transmit optical signals in the wave band of 350-2500 nm.

4. The broad spectrum fluorescence endoscopic device of claim 1, wherein: the imaging objective lens comprises a plurality of micro lenses which are sequentially arranged along the transmission direction of light, wherein the diameter of the imaging objective lens is 0.4-10 mm.

5. The broad spectrum fluorescence endoscopic device of claim 1, wherein: the first end of detecting tube has internal thread structure, the shell have with internal thread structure assorted external screw thread structure, the first end of detecting tube with the shell passes through threaded connection's mode and is connected.

6. The broad spectrum fluorescence endoscope apparatus of claims 1 or 5, wherein: the part of the detection tube close to the first end is provided with a corrugated tube structure which can be stretched and restored along the length direction of the detection tube under the action of external force.

7. The broad spectrum fluorescence endoscope apparatus of claims 1 or 5, wherein: the second end of the detecting tube is provided with a detecting head, the detecting head is connected with the detecting tube in a threaded connection mode and can be detached, a plurality of cylindrical containing cavities which are arranged in parallel are arranged in the detecting head, and each imaging objective lens is correspondingly embedded in one containing cavity.

8. The broad spectrum fluorescence endoscopic device of claim 1, wherein: the image detection mechanism comprises a camera, the camera is a wide-spectrum sensing camera capable of detecting visible light and short-wave infrared fluorescence simultaneously, or the image detection mechanism comprises a visible light image camera for detecting visible light and a short-wave infrared image camera for detecting short-wave infrared fluorescence.

9. The broad spectrum fluorescence endoscopic device of claim 8, wherein: the camera comprises a detector, and an imaging optical device and a filtering mechanism which are arranged at the receiving end of the detector, wherein the filtering mechanism is at least used for filtering infrared exciting light, the imaging optical device is at least used for collecting reflected visible light and short wave infrared fluorescence, and focusing the collected reflected visible light and short wave infrared fluorescence on the detector to form an optical image.

10. The broad spectrum fluorescence endoscopic device of claim 1, wherein: the display mechanism comprises a display, and the display is used for displaying a visible light image and a short wave infrared fluorescence image.