CN106308727A - Endoscope with sterilization function and control method thereof - Google Patents
Endoscope with sterilization function and control method thereof Download PDFInfo
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- CN106308727A CN106308727A CN201610639568.7A CN201610639568A CN106308727A CN 106308727 A CN106308727 A CN 106308727A CN 201610639568 A CN201610639568 A CN 201610639568A CN 106308727 A CN106308727 A CN 106308727A
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- light source
- ultraviolet light
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- imaging system
- endoscope
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 50
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003384 imaging method Methods 0.000 claims abstract description 111
- 238000005286 illumination Methods 0.000 claims abstract description 64
- 208000015181 infectious disease Diseases 0.000 claims abstract description 21
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 46
- 238000001914 filtration Methods 0.000 claims description 13
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 7
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003902 lesion Effects 0.000 abstract 1
- 238000007689 inspection Methods 0.000 description 8
- 239000013307 optical fiber Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000012782 phase change material Substances 0.000 description 5
- 230000000249 desinfective effect Effects 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 230000004075 alteration Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001839 endoscopy Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 210000001364 upper extremity Anatomy 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000036285 pathological change Effects 0.000 description 2
- 231100000915 pathological change Toxicity 0.000 description 2
- 210000002784 stomach Anatomy 0.000 description 2
- 241000204031 Mycoplasma Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004280 Sodium formate Substances 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 210000000436 anus Anatomy 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- QHFQAJHNDKBRBO-UHFFFAOYSA-L calcium chloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Ca+2] QHFQAJHNDKBRBO-UHFFFAOYSA-L 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 229940047908 strontium chloride hexahydrate Drugs 0.000 description 1
- AMGRXJSJSONEEG-UHFFFAOYSA-L strontium dichloride hexahydrate Chemical compound O.O.O.O.O.O.Cl[Sr]Cl AMGRXJSJSONEEG-UHFFFAOYSA-L 0.000 description 1
- 208000008918 voyeurism Diseases 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00096—Optical elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
- A61B1/00137—End pieces at either end of the endoscope, e.g. caps, seals or forceps plugs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0676—Endoscope light sources at distal tip of an endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/0613—Apparatus adapted for a specific treatment
- A61N5/0624—Apparatus adapted for a specific treatment for eliminating microbes, germs, bacteria on or in the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
- A61N2005/0661—Radiation therapy using light characterised by the wavelength of light used ultraviolet
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Radiology & Medical Imaging (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Optics & Photonics (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention provides an endoscope with a sterilization function. The endoscope comprises a controller, an illumination light source, an ultraviolet source and an imaging system, wherein the illumination light source, the ultraviolet source and the imaging system are connected with the controller and are controlled by the controller; the structure is simple; the imaging system obtains human body internal tissue images, so that the lesion examination is convenient; ultraviolet light generated by the ultraviolet source can achieve a sterilization effect on the human body internal tissues to kill harmful microbes and treat tissue infection; the use is convenient and fast. A control method of the endoscope with the sterilization function comprises the following steps of performing starting-up; performing examination; controlling the illumination light source and the imaging system to work by the controller; obtaining tissue images of each region of tissues to be examined by the imaging system; controlling the ultraviolet source to perform the radiation on the tissues in the infection region by the controller; turning off the endoscope after the examination is completed. The infection tissues examined by the endoscope can be subjected to ultraviolet radiation; the examination and the infection tissue sterilization can be completed in one step; the sterilization by additional sterilization equipment is not needed; the operation is simple and convenient; the time is saved; the examination and sterilization efficiency is high; only the infection tissues are sterilized; safety and reliability are realized.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to an endoscope with a sterilization function and a control method thereof.
Background
The endoscope is a common medical apparatus, including wire, lighting source, imaging system and controller, etc., the imaging system includes pick-up unit and monitor, the pick-up unit includes imaging lens, image sensor, etc., while using, introduce the anterior extremity of the endoscope into the organ to be examined (such as stomach) in the human body through the natural pore canal (such as mouth, nose, anus, etc.) of the human body or small incision made by operation, the illuminating light that the lighting source sends shines the internal tissue of the human body through the anterior end cap of the anterior extremity of the endoscope, reflect the internal tissue of the human body, reflect the illuminating light and return to the anterior extremity of the endoscope, the internal tissue of the human body is imaged through the pick-up unit of the imaging system, and display the picture on the monitor; the quality of the image directly affects the use effect of the endoscope. The existing endoscope has no sterilization function and can not kill harmful microorganisms in the body. When ultraviolet light enters an imaging system, aberration or interference can be generated, and the color, the definition and the three-dimensional layering of an image acquired by the imaging system are influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing an endoscope with a sterilization function, which has a simple structure and is convenient and fast to use.
In order to solve the technical problems, the endoscope with the sterilization function adopts the technical scheme that:
the endoscope with the sterilization function comprises a controller, an illumination light source and an imaging system, wherein the illumination light source and the imaging system are connected with and controlled by the controller; the endoscope also comprises an ultraviolet light source which can generate ultraviolet light for sterilizing the endoscopic tissue, and the ultraviolet light source is connected with and controlled by the controller.
Further, the ultraviolet light filtering structure is used for filtering ultraviolet light for the imaging system.
The imaging system further comprises a front end cover capable of transmitting illumination light and ultraviolet light, wherein the light transmission tail end of the ultraviolet light source, the light transmission tail end of the illumination light source and the observation tail end of the imaging system are all arranged in the front end cover; the imaging system being capable of imaging by intercepting ultraviolet light, or
The front end cover comprises an ultraviolet filter part and an ultraviolet light transmission part, and the ultraviolet filter part is opposite to the observation tail end of the imaging system.
Further, the ultraviolet filter portion and/or the ultraviolet transmitting portion may be configured to transmit illumination light.
Further, the ultraviolet light source is a parallel light source, or
The ultraviolet light source is a scattering light source, and a convex lens capable of converting scattering ultraviolet light into parallel ultraviolet light is arranged between the ultraviolet light source and the front end cover.
Further, the illumination light source and/or the ultraviolet light source are/is arranged in the front end cover; or
The lighting source and/or the ultraviolet light source are/is arranged outside the front end cover, and the light source is connected with a light transmission channel capable of transmitting light into the front end cover.
Further, the light transmission end of the ultraviolet light source is farther than the distance from the observation end of the imaging system to the front end face of the front end cover, and the light transmission end of the ultraviolet light source is closer than the distance from the light transmission end of the illumination light source to the axis of the observation end of the imaging system; or,
further, the light transmission end of the ultraviolet light source is closer than the distance from the observation end of the imaging system to the front end face of the front end cover, and the light transmission end of the ultraviolet light source is farther than the distance from the light transmission end of the illumination light source to the axis of the observation end of the imaging system.
Further, the ultraviolet light source is arranged in the front end cover, and the ultraviolet light source is far away from the front end face of the front end cover or close to the front end face of the front end cover.
Further, the ultraviolet light source is connected with a radiator.
Furthermore, the radiator comprises a radiating pipe capable of containing a radiating medium, the radiating pipe comprises a medium input pipe and a medium output pipe which are mutually communicated, and the medium input pipe and the medium output pipe are both connected with the ultraviolet light source; the heat dissipation medium is a material capable of absorbing and releasing heat through reversible physical changes or reversible chemical changes.
Further, the wavelength of the ultraviolet light generated by the ultraviolet light source is 230-280 nm.
The endoscope with the sterilization function provided by the invention has the beneficial effects that:
simple structure, through controller control imaging system, ultraviolet source, illumination light source work, imaging system acquires the image of human internal tissue and is convenient for inspect pathological change, and the ultraviolet light that ultraviolet source produced disinfects human internal tissue, eliminates harmful microorganism, and the treatment tissue infects, and it is convenient to use.
Another object of the present invention is to provide a method for controlling an endoscope having a sterilization function, which is easy and safe to operate and can sterilize an infected tissue during an endoscopic examination.
In order to solve the technical problems, the control method of the endoscope with the sterilization function adopts the technical scheme that:
a method for controlling an endoscope having a sterilization function, comprising the steps of:
s1, starting up;
s2, checking: the controller controls the illumination light source and the imaging system to work, and the imaging system acquires tissue images of all areas of the tissue to be detected; the controller controls the ultraviolet light source to radiate tissues in an infected area;
and S3, shutting down.
Further, the step of irradiating the tissue in the affected area in step S2 is performed after acquiring the tissue image of the corresponding area: the imaging system feeds back the obtained tissue image to the controller, the controller analyzes the tissue image and judges the infection degree of the tissue in the shooting area,
if the tissue is healthy tissue, the controller controls the imaging system to continuously acquire a tissue image of the next area,
if the tissue is infected tissue, the controller firstly controls the ultraviolet light source to emit radiation with preset dose according to the infection degree, then closes the ultraviolet light source, and then controls the imaging system to continuously acquire a tissue image of the next area; or
The step of irradiating the tissue in the affected area in step S2 is performed after the tissue images of the respective areas are acquired: the imaging system feeds back the obtained tissue image to the controller, the controller analyzes the tissue image and judges the infection degree of the tissue in the shooting area,
if the tissue is healthy tissue, the controller controls the imaging system to continuously acquire a tissue image of the next area,
if the tissue is the infected tissue, the controller records the position information and the infection degree of the infected area of the tissue in the shooting area, the controller controls the imaging system to continuously acquire the tissue image of the next area,
after the imaging system acquires the tissue images of the areas, the controller controls the ultraviolet light source to emit radiation with preset dose to the corresponding infected areas according to the position information and the infection degree of the infected areas.
The control method of the endoscope with the sterilization function provided by the invention has the beneficial effects that: the endoscope can carry out ultraviolet radiation on the inspected infected tissue in the endoscopic inspection process, can finish inspection and infected tissue sterilization at one time, does not need additional sterilization equipment to carry out sterilization work, is simple and convenient to operate, saves time, has high inspection and sterilization efficiency, and is safe and reliable only for sterilizing the infected tissue.
Drawings
FIG. 1 is a schematic structural diagram of an endoscope provided by an embodiment of the present invention;
FIG. 2 is a schematic sectional view of the front end of an endoscope provided by an embodiment of the present invention;
FIG. 3 is a schematic structural view of a front end cap of an endoscope provided by an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an ultraviolet optical portion of an endoscope provided by an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an endoscope provided by an embodiment of the present invention;
the system comprises an illumination light source 1, an ultraviolet light source 2, an imaging system 3, an imaging lens 31, an image sensor 32, a monitor 33, a signal transmission line 34, a front end cover 4, an ultraviolet filtering part 41, an ultraviolet light transmitting part 42, a convex lens 5, an illumination optical fiber 6, an ultraviolet optical fiber 7, a radiating pipe 8, a medium input pipe 81 and a medium output pipe 82.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 5, the endoscope with sterilization function provided by the embodiment of the present invention includes a controller, and an illumination light source 1 and an imaging system 3 connected to and controlled by the controller; and the ultraviolet light source 2 can generate ultraviolet light for sterilizing the endoscopic tissue, and the ultraviolet light source 2 is connected with and controlled by the controller. The endoscope of this embodiment, moreover, the steam generator is simple in structure, add the ultraviolet light source 2 that can produce the ultraviolet light that is used for disinfecting to human internal tissue on the basis of current endoscope, it is convenient to use, stretch into the human body with the endoscope, for example in stomach, intestines or other human tissues, through controller control imaging system 3, ultraviolet light source 2, illumination light source 1 work, imaging system 3 acquires the image of human internal tissue and is convenient for inspect pathological change, when carrying out endoscopy, the ultraviolet light that can produce with ultraviolet light source 2 shines infected tissue, disinfect (including various viruses, bacteria, microorganisms such as mycoplasma), eliminate harmful microorganism, treatment tissue infection, collect endoscopy and internal treatment of disinfecting in an organic whole, safety and reliability. The illumination light source 1 may be a white light source, specifically, a white light LED (such as RGB three-color LED), the ultraviolet light source 2 may be an ultraviolet LED, a mercury lamp, or the like, the imaging system 3 may include an imaging lens 31, an image sensor 32, a monitor 33, and the like, the image sensor 32 and the monitor 33 are connected by a signal transmission line 34, and the image sensor may be a CCD or CMOS element. Preferably, the endoscope comprises more than two ultraviolet light sources 2 or the ultraviolet light sources 2 comprise more than two light transmission ends, comprises more than two illumination light sources 1 or the illumination light sources 1 comprise more than two light transmission ends, and preferably, the more than two ultraviolet light sources 2 (or the illumination light sources 1)/the more than two corresponding light transmission ends are uniformly arranged outside the observation end of the imaging system 3, as shown in fig. 2, so as to realize more uniform illumination.
Further, as an embodiment of the present invention, the endoscope further includes an ultraviolet filtering structure for filtering ultraviolet light for the imaging system 3. The ultraviolet filtering structure can filter ultraviolet light, so that the probability of the ultraviolet light entering the imaging system (or the probability of the ultraviolet light passing through the imaging lens 31) is reduced, aberration or interference is avoided, and the imaging system 3 can acquire human body internal tissue images with good color, high definition and strong three-dimensional layering sense. The uv filtering structure may be a structure on the imaging system 3, or may be a structure independent from the imaging system 3, such as a structure disposed between the uv light source 2 and the imaging system 3.
Further, as shown in fig. 1 and 5, as an embodiment of the present invention, the endoscope further includes a front end cap 4 capable of transmitting the illumination light and the ultraviolet light, and the light transmission end of the ultraviolet light source 2, the light transmission end of the illumination light source 1, and the observation end of the imaging system 3 are provided in the front end cap 4; the imaging system 3 can block the ultraviolet light for imaging, or the front end cap 4 includes an ultraviolet filter portion 41 and an ultraviolet light transmitting portion 42 (as shown in fig. 3), and the ultraviolet filter portion 41 faces the observation end of the imaging system 3. If the illumination light source 1 is integrated in the front end cover 4, the light transmission end of the illumination light source 1 is referred to as the illumination light source 1, and if the illumination light source 1 is disposed outside the front end cover 4, the light transmission end of the illumination light source 1 is referred to as the end of the light transmission path of the illumination light (the end of the illumination optical fiber 6); if the ultraviolet light source 2 is integrated in the front end cover 4, the light transmission end of the ultraviolet light source 2 is referred to as the ultraviolet light source 2, and if the ultraviolet light source 2 is arranged outside the front end cover 4, the light transmission end of the ultraviolet light source 2 is referred to as the end of an ultraviolet light transmission channel (the end of an ultraviolet optical fiber 7); the viewing end of the imaging system 3, i.e. the end at which the imaging lens of the imaging system 3 is located. The front end cover 4 is arranged to conveniently restrain the irradiation area of the illumination light and the ultraviolet light and the observation area of the imaging system 3. The imaging system 3 can intercept ultraviolet light for imaging (i.e. the imaging system has an ultraviolet filtering structure), can isolate ultraviolet light (i.e. filter ultraviolet light), avoid producing aberration or interference, make the imaging system 3 able to obtain human internal tissue images with good color, high definition and strong three-dimensional stereovision, at this moment, the light-transmitting part of the front end cover 4 can be made of the same material (for example, when the illumination light source is a white light source, the light-transmitting part can be made of sapphire or quartz glass, etc.), and simultaneously transmit illumination light and ultraviolet light, or can be made of two materials, and a part of the light-transmitting part transmits illumination light and a part of the ultraviolet light; specifically, the imaging system 3 may use an imaging lens 31 (e.g., a lens made of ordinary glass) capable of blocking ultraviolet light, the imaging lens 31 is an ultraviolet filtering structure, an additional independent structure is not required to be provided to serve as the ultraviolet filtering structure, the structure is simplified, and of course, an ultraviolet filter (e.g., a filter made of ordinary glass) located between the imaging lens 31 and the front end cover 4 may also be provided as the ultraviolet filtering structure in the imaging system 3. The front end cover 4 is arranged to comprise an ultraviolet filter part 41 and an ultraviolet light transmission part 42, the ultraviolet filter part 41 is opposite to the observation tail end of the imaging system 3, the ultraviolet filter part is used as an ultraviolet filter structure, an additional independent structure is not required to be arranged to serve as the ultraviolet filter structure, ultraviolet light can be filtered, the probability that the ultraviolet light passes through the imaging lens 31 is reduced, and the definition of the imaging system 3 for obtaining images is improved; specifically, the ultraviolet filter portion 41 and/or the ultraviolet light transmission portion 42 are/is a structure capable of transmitting illumination light, and it is not necessary to additionally provide a structure capable of transmitting illumination light, so that the structure is simplified, especially, both the ultraviolet filter portion 41 and the ultraviolet light transmission portion transmit illumination light to enable the illumination light to be diffused as much as possible, the amount of reflected light entering the imaging system 3 is increased, the definition of imaging and the utilization rate of the illumination light are increased, the ultraviolet light transmission portion 41 transmits illumination light, the ultraviolet light transmission portion and the illumination light transmission portion can be separated, and ultraviolet interference imaging is avoided.
Further, as an embodiment of the endoscope of the present invention, the ultraviolet light source 2 is a collimated light source, or the ultraviolet light source 2 is a scattering light source, and a convex lens 5 (as shown in fig. 4) capable of converting scattered ultraviolet light into collimated ultraviolet light is provided between the ultraviolet light source 2 and the front end cap 4. The ultraviolet light source 2 is a parallel light source or the ultraviolet light source 2 is a scattering light source matched with a convex lens 5 capable of converting scattering ultraviolet light into parallel ultraviolet light, so that total reflection can be reduced, the output quantity of the ultraviolet light is improved, the energy in unit area is improved, and more efficient sterilization is realized.
Further, as an embodiment of the endoscope of the present invention, when the distance from the light transmission end of the ultraviolet light source 2 to the front end surface of the front end cap 4 is longer (or equal) than the distance from the observation end of the imaging system 3, it is preferable that the light transmission end of the ultraviolet light source 2 is shorter (as shown in fig. 1 and 2) than the distance from the light transmission end of the illumination light source 1 to the axis of the observation end of the imaging system 3, and in the endoscope with such a structure, the ultraviolet light source 2 does not block the reflected illumination light from entering the imaging system 3, and the light transmission end of the ultraviolet light source 2 is selected to be closer to the axis of the imaging system 3, so that the ultraviolet sterilization is performed in the illumination range of the illumination light, the illumination range of the ultraviolet light is determined, and the doctor can know that the working effective area is substantially located in. When the distance from the light transmission end of the ultraviolet light source 2 to the front end face of the front end cover 4 is shorter than the distance from the observation end of the imaging system 3, preferably, the distance from the light transmission end of the ultraviolet light source 2 to the axis of the observation end of the imaging system 3 is longer than the distance from the light transmission end of the illumination light source 1 (as shown in fig. 5), so as to avoid the influence on imaging caused by shielding of the illumination light reflected by the internal tissue of the human body by the ultraviolet light source 2.
Further, as an embodiment of the endoscope of the present invention, the illumination light source 1 and/or the ultraviolet light source 2 are provided in the front end cover 4, and the illumination light source 1 and/or the ultraviolet light source 2 are integrated in the front end cover 4 (as shown in fig. 5), so that the structure can be simplified; of course, the illumination light source 1 and/or the ultraviolet light source 2 may also be disposed outside the front end cover 4 (as shown in fig. 1 and 5), and the light source is connected to a light transmission channel capable of transmitting light into the front end cover 4; corresponding light transmission channel can be for illumination optic fibre 6 (corresponding light source 1), ultraviolet optic fibre 7 (corresponding ultraviolet light source 2), and light source 1 and/or ultraviolet light source 2 set up outside front end housing 4, and the equipment of being convenient for on the one hand, maintenance, on the other hand can prevent that the heat that the light source work produced from concentrating on front end housing 4 in and the heating that leads to. In order to prevent the illumination source 1 and/or the uv light source 2 integrated in the front end cap 4 from overheating, a heat sink may be connected to the light source. When the ultraviolet light source 2 is arranged in the front end cover 4, the ultraviolet light source 2 can be far away from the front end face of the front end cover 4, and preferably, the ultraviolet light source 2 is close to the front end face of the front end cover 4, so that the ultraviolet light source is more beneficial to concentrating the energy of ultraviolet light for sterilization. The heat sink preferably connected to the ultraviolet light source 2 (illumination light source 1) includes a heat dissipating pipe 8 capable of containing a heat dissipating medium, the heat dissipating pipe 8 includes a medium input pipe 81 and a medium output pipe 82 which are communicated with each other, and both the medium input pipe 81 and the medium output pipe 82 are connected to the ultraviolet light source 2 (illumination light source 1), as shown in fig. 5; the structure is simple, the heat generated by the ultraviolet light source 2 can be transferred into the heat dissipation medium, and the heat is taken out through the flow of the heat dissipation medium in the heat dissipation pipe 8; because ultraviolet light source (for example deep ultraviolet LED) produces a large amount of heats when working, the time of carrying out endoscopy is not very long, mostly within 10 minutes, the time of ultraviolet light source in vivo work is not too long, can save this part of heat earlier temporarily, therefore it is the material that can absorb, release the heat through reversible physical change or reversible chemical change to prefer the heat dissipation medium, for example phase change material, the heat dissipation medium circulates in cooling tube 8, absorb heat, can save the heat temporarily in medium output tube 82, make the temperature of the front end of endoscope in reasonable range.
Further, as an embodiment of the endoscope of the present invention, the phase change material may be an organic phase change material, or an inorganic phase change material; such as an inorganic phase change material containing the following substances in mass ratio: 26% of calcium chloride hexahydrate, 23.5% of strontium chloride hexahydrate, 7.5% of maleic anhydride, 6.5% of sodium formate, 7.5% of sodium chloride, 3.5% of potassium persulfate and 25.5% of water, wherein the phase-change temperature of the inorganic phase-change material is 38.2 ℃, the phase-change latent heat is 203kJ/kg, and the reversible phase-change process can be recycled for more than ten thousand times.
Further, as an embodiment of the endoscope of the present invention, the wavelength of the ultraviolet light generated by the ultraviolet light source 2 is 230-280 nm; the deep ultraviolet light of this wave band, not only luminous efficiency is high, can disinfect, can also prolong ultraviolet radiator's life. Preferably 265nm deep ultraviolet light, and improves the sterilization efficiency.
Further, the endoscope also includes a housing connected to the front end cap 4. The front end cover is matched with the shell to package one end of the illuminating light source, the ultraviolet light source, the imaging lens, the image sensor, the signal transmission line, the convex lens, at least one end of the illuminating optical fiber, at least one end of the ultraviolet optical fiber, one end of the medium input tube and one end of the medium output tube (if related structures are arranged) in the inner space of the front end cover and the shell, so that the inner structure is protected, and the use is convenient.
As an embodiment of the present invention, the method for controlling an endoscope having a sterilization function includes:
s1, starting up;
s2, checking: the controller controls the illumination light source and the imaging system to work, and the imaging system acquires tissue images of all areas of the tissue to be detected; the controller controls the ultraviolet light source to radiate tissues in the infected area;
and S3, shutting down. Can carry out ultraviolet radiation to the infected tissue who inspects at peeping the in-process of inspection, once only accomplish the inspection and infect the tissue and disinfect, need not extra sterilizing equipment and carry out the work of disinfecting, easy and simple to handle saves time, and inspection, the efficiency of disinfecting is high, only disinfects infected tissue, avoids unnecessary radiation, prevents to kill too much beneficial bacterium (if the full range is disinfected, can lead to the death in a large number of beneficial bacterium, and influence health), more safe and reliable.
Further, the step of irradiating the tissue of the affected area in step S2 is performed after acquiring the tissue image of the corresponding area: the imaging system feeds back the obtained tissue image to the controller, the controller analyzes the tissue image and judges the infection degree of the tissue in the shooting area,
if the tissue is healthy tissue, the controller controls the imaging system to continuously acquire the tissue image of the next area,
if the tissue is infected, the controller firstly controls the ultraviolet light source to emit radiation with preset dose according to the infection degree, then closes the ultraviolet light source, and then controls the imaging system to continuously acquire the tissue image of the next area. The control method can synchronously complete the examination of each area of the tissue to be detected and the sterilization of infected tissue, the ultraviolet light source is in a closed state when the imaging system acquires the tissue image, the ultraviolet light source is in a non-continuous working state, the operation of starting the ultraviolet light source twice at least separates the time of acquiring the image by the imaging system once, and the heating problem caused by the continuous and working heat accumulation of the ultraviolet light source can be avoided.
Further, the step of irradiating the tissue in the affected area in step S2 is performed after the tissue images of the respective areas are acquired: the imaging system feeds back the obtained tissue image to the controller, the controller analyzes the tissue image and judges the infection degree of the tissue in the shooting area,
if the tissue is healthy tissue, the controller controls the imaging system to continuously acquire the tissue image of the next area,
if the tissue is the infected tissue, the controller records the position information and the infection degree of the infected area of the tissue in the shooting area, the controller controls the imaging system to continuously acquire the tissue image of the next area,
after the imaging system acquires the tissue images of the areas, the controller controls the ultraviolet light source to emit radiation with preset dose to the corresponding infected areas according to the position information and the infection degree of the infected areas. The sterilization operation is carried out in the process of endoscopic inspection, and the inspection and sterilization are carried out in stages, so that the control process is simpler, and the influence on the service life of the ultraviolet light source caused by the frequent switching of the ultraviolet light source is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (13)
1. The endoscope with the sterilization function comprises a controller, an illumination light source and an imaging system, wherein the illumination light source and the imaging system are connected with and controlled by the controller, and the endoscope is characterized in that: the endoscope also comprises an ultraviolet light source which can generate ultraviolet light for sterilizing the endoscopic tissue, and the ultraviolet light source is connected with and controlled by the controller.
2. The endoscope with sterilization function according to claim 1, characterized in that: the ultraviolet light filtering structure is used for filtering ultraviolet light for the imaging system.
3. The endoscope with sterilization function according to claim 1, characterized in that: the light transmission tail end of the ultraviolet light source, the light transmission tail end of the illumination light source and the observation tail end of the imaging system are all arranged in the front end cover;
the imaging system being capable of imaging by intercepting ultraviolet light, or
The front end cover comprises an ultraviolet filter part and an ultraviolet light transmission part, and the ultraviolet filter part is opposite to the observation tail end of the imaging system.
4. The endoscope with sterilization function according to claim 3, characterized in that: the ultraviolet filter portion and/or the ultraviolet light transmitting portion are/is configured to transmit illumination light.
5. The endoscope with sterilization function according to claim 3, characterized in that: the ultraviolet light source is a parallel light source, or
The ultraviolet light source is a scattering light source, and a convex lens capable of converting scattering ultraviolet light into parallel ultraviolet light is arranged between the ultraviolet light source and the front end cover.
6. The endoscope with sterilization function according to claim 3, characterized in that: the lighting source and/or the ultraviolet light source are/is arranged in the front end cover; or
The lighting source and/or the ultraviolet light source are/is arranged outside the front end cover, and the light source is connected with a light transmission channel capable of transmitting light into the front end cover.
7. The endoscope with sterilization function according to claim 3, characterized in that: the distance from the light transmission end of the ultraviolet light source to the front end face of the front end cover is longer than that from the observation end of the imaging system, and the distance from the light transmission end of the ultraviolet light source to the axis of the observation end of the imaging system is shorter than that from the light transmission end of the illumination light source; or,
the light transmission end of the ultraviolet light source is closer than the distance from the observation end of the imaging system to the front end face of the front end cover, and the light transmission end of the ultraviolet light source is farther than the distance from the light transmission end of the illumination light source to the axis of the observation end of the imaging system.
8. The endoscope with sterilization function according to claim 3, characterized in that: the ultraviolet light source is arranged in the front end cover, and the ultraviolet light source is far away from the front end face of the front end cover or close to the front end face of the front end cover.
9. The endoscope with sterilization function according to claim 8, characterized in that: the ultraviolet light source is connected with a radiator.
10. The endoscope with sterilization function according to claim 9, characterized in that: the radiator comprises a radiating pipe capable of containing a radiating medium, the radiating pipe comprises a medium input pipe and a medium output pipe which are mutually communicated, and the medium input pipe and the medium output pipe are both connected with the ultraviolet light source; the heat dissipation medium is a material capable of absorbing and releasing heat through reversible physical changes or reversible chemical changes.
11. The endoscope with sterilization function according to claim 1, characterized in that: the wavelength of the ultraviolet light generated by the ultraviolet light source is 230-280 nm.
12. A control method of an endoscope having a sterilization function according to any one of claims 1 to 11, characterized in that: the method comprises the following steps:
s1, starting up;
s2, checking: the controller controls the illumination light source and the imaging system to work, and the imaging system acquires tissue images of all areas of the tissue to be detected; the controller controls the ultraviolet light source to radiate tissues in an infected area;
and S3, shutting down.
13. The method of controlling an endoscope having a sterilization function according to claim 12, characterized in that: the step of irradiating the tissue in the affected area in step S2 is performed after acquiring the tissue image of the corresponding area: the imaging system feeds back the obtained tissue image to the controller, the controller analyzes the tissue image and judges the infection degree of the tissue in the shooting area,
if the tissue is healthy tissue, the controller controls the imaging system to continuously acquire a tissue image of the next area,
if the tissue is infected tissue, the controller firstly controls the ultraviolet light source to emit radiation with preset dose according to the infection degree, then closes the ultraviolet light source, and then controls the imaging system to continuously acquire a tissue image of the next area; or
The step of irradiating the tissue in the affected area in step S2 is performed after the tissue images of the respective areas are acquired: the imaging system feeds back the obtained tissue image to the controller, the controller analyzes the tissue image and judges the infection degree of the tissue in the shooting area,
if the tissue is healthy tissue, the controller controls the imaging system to continuously acquire a tissue image of the next area,
if the tissue is the infected tissue, the controller records the position information and the infection degree of the infected area of the tissue in the shooting area, the controller controls the imaging system to continuously acquire the tissue image of the next area,
after the imaging system acquires the tissue images of the areas, the controller controls the ultraviolet light source to emit radiation with preset dose to the corresponding infected areas according to the position information and the infection degree of the infected areas.
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| CN201610639568.7A CN106308727A (en) | 2016-08-05 | 2016-08-05 | Endoscope with sterilization function and control method thereof |
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| CN201610639568.7A CN106308727A (en) | 2016-08-05 | 2016-08-05 | Endoscope with sterilization function and control method thereof |
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| JP2018187376A (en) * | 2017-05-02 | 2018-11-29 | コヴィディエン リミテッド パートナーシップ | Infection detection devices and methods |
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| WO2018170903A1 (en) * | 2017-03-24 | 2018-09-27 | Covidien Lp | Endoscopes and methods of treatment |
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| WO2019127427A1 (en) * | 2017-12-29 | 2019-07-04 | 深圳前海小有技术有限公司 | Rhinitis therapeutic device and sterilization method thereof |
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| CN110227212A (en) * | 2019-05-06 | 2019-09-13 | 中国人民解放军总医院 | A kind of endoscopic fiber-ultraviolet treatment equipment |
| CN110433403A (en) * | 2019-08-26 | 2019-11-12 | 林军 | Stomach and intestine LED matrix light source sterilization and disinfection system |
| CN112438683A (en) * | 2019-08-30 | 2021-03-05 | 深圳迈瑞生物医疗电子股份有限公司 | Endoscope camera and endoscope camera system |
| WO2021157769A1 (en) * | 2020-02-03 | 2021-08-12 | 삼성메디슨 주식회사 | Ultrasonic probe |
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Application publication date: 20170111 |