WO2012075706A1 - Système de cholécystoscopie intégrant un dispositif de balayage thermique infrarouge - Google Patents

Système de cholécystoscopie intégrant un dispositif de balayage thermique infrarouge Download PDF

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Publication number
WO2012075706A1
WO2012075706A1 PCT/CN2011/070550 CN2011070550W WO2012075706A1 WO 2012075706 A1 WO2012075706 A1 WO 2012075706A1 CN 2011070550 W CN2011070550 W CN 2011070550W WO 2012075706 A1 WO2012075706 A1 WO 2012075706A1
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WO
WIPO (PCT)
Prior art keywords
infrared thermal
thermal scanning
infrared
gallbladder
gallbladder mirror
Prior art date
Application number
PCT/CN2011/070550
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English (en)
Chinese (zh)
Inventor
乔铁
Original Assignee
广州宝胆医疗器械科技有限公司
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Publication of WO2012075706A1 publication Critical patent/WO2012075706A1/fr

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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
    • A61B1/273—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 for the upper alimentary canal, e.g. oesophagoscopes, gastroscopes
    • A61B1/2733—Oesophagoscopes
    • 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
    • A61B1/00163—Optical arrangements
    • A61B1/00172—Optical arrangements with means for scanning
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
    • A61B5/0086—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters using infrared radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
    • A61B5/4222—Evaluating particular parts, e.g. particular organs
    • A61B5/4233—Evaluating particular parts, e.g. particular organs oesophagus

Definitions

  • the invention belongs to the field of medical instruments, and particularly relates to an integrated infrared thermal scanning gallbladder mirror system with infrared thermal scanning function. current technology
  • infrared imaging comes from military technology. It has been used for more than 40 years. With the development of various technologies such as medicine, infrared imaging and multimedia, the temperature resolution of infrared imaging has reached 0.05 degrees, and the spatial resolution has reached 1.5mrad. The image sharpness has been greatly improved, and the analysis of the results is intuitive and convenient, so its clinical application range is gradually expanding.
  • infrared imaging diagnosis shows certain advantages in the following aspects: 1) judging the location and nature of tissue pain; 2) judging the location, extent and extent of acute and chronic inflammation; 3) monitoring the blood supply function of vascular lesions; 4) Tumor warning instructions, full-course monitoring and efficacy evaluation. It can be seen that infrared imaging is an important supplement to other morphological diagnostic methods such as B-ultrasound, CT, and MR.
  • the object of the present invention is to overcome the deficiencies of the prior art and provide an integrated infrared thermal scanning gallbladder mirror system, which integrates an infrared thermal scanning probe into a gallbladder mirror system through an infrared thermal scanning probe.
  • the stereoscopic scanning of the gallbladder wall tissue, the obtained data is transmitted to the infrared thermal scanning processing system host for image processing, and provides different display mode selections, so that the doctor can analyze the stereoscopic structure of the gallbladder wall tissue according to different display images obtained.
  • Static images of blood vessels have an unexpected diagnostic effect on understanding the function and pathology of the gallbladder.
  • the integrated infrared thermal scanning gallbladder mirror system of the present invention comprises an infrared thermal scanning gallbladder mirror and a cold light source host, a camera host, an endoscope monitor and an infrared thermal scanning system connected thereto, wherein the infrared thermal scanning system comprises Infrared thermal scanning processing system host and infrared thermal scanning system monitor.
  • the infrared thermal scanning gallbladder mirror is divided into the following four forms according to the nature of the working end portion and the optical system used:
  • the first form is: the infrared thermal scanning gallbladder mirror is a rigid gallbladder mirror using an electronic CCD optical system, and has a working end portion, a cold light source connector, a data connector, a linear instrument channel, and a water inlet channel and a water outlet.
  • the working end is made of hard material and has non-bendability.
  • the diameter is 12.0mm and the length is 250mm ⁇ 300mm.
  • the tip end is designed to be blunt; the electronic CCD optical system is set at work.
  • the front end of the end adopts an optical lens with a diameter of 1.5mm ⁇ 3.0mm
  • the CCD chip adopts a CCD with a size of 1/4 ⁇ and at least 480,000 effective pixels, and the lens field of view is above 100°
  • the linear instrument channel The diameter of 3.0mm, the inlet channel and the outlet channel are located on both sides of the gallbladder mirror, and its diameter is 1.0mm.
  • the infrared thermal scanning gallbladder mirror is a rigid gallbladder mirror using a prism optical system, and has a working end portion, a cold light source connector, a data connector, an eyepiece input end, and a water inlet channel and a water outlet channel;
  • the working end is made of hard material, the diameter is 12.0mm, the length is 250mm ⁇ 300mm, the tip end is designed to be blunt;
  • the prism optical system uses an optical lens with a diameter of 1.5mm ⁇ 3.0mm; the water inlet channel and the water outlet channel It is located on both sides of the gallbladder mirror and has a diameter of 1.0 mm.
  • the infrared thermal scanning gallbladder mirror is a soft gallbladder mirror using an electronic CCD optical system, and has a working end portion, a data joint, an operating handle and an instrument passage; the working end is made of soft fiber
  • the material is manufactured with a diameter of 12.0mm and a length of 500mm.
  • the electronic CCD optical system is disposed at the front end of the working end, and adopts an optical lens with a diameter of 1.5mm ⁇ 3.0mm.
  • the CCD chip is 1/4 inch in size and at least 480,000 effective. Pixel CCD with a lens field of view above 100 °; the instrument channel has a diameter of 3.0 mm.
  • the fourth form is: the infrared thermal scanning gallbladder mirror is a soft gallbladder mirror using an optical fiber optical system, and has a working end portion, a data connector, an eyepiece input end, an operating handle and an instrument channel; the working end portion Made of soft fiber material, the diameter is 12.0mm, the length is 500mm; the optical fiber optical system uses an optical lens with a diameter of 1.5mm ⁇ 3.0mm; the diameter of the instrument channel is 3.0mm.
  • the infrared thermal scanning gallbladder mirror integrates an infrared thermal scanning probe, an endoscope lens, and a light guiding optical fiber at a tip end portion of the working end portion thereof.
  • the infrared thermal scanning probe has a diameter of 3.0 mm, an infrared region is disposed therein, and a protective sleeve is disposed outside the infrared region, and at least one infrared device is installed in the infrared region, and the infrared device includes an infrared light source emitter and an infrared receiving lens.
  • the infrared thermal scanning gallbladder mirror may further be provided with a micro motor.
  • the infrared thermal scanning probe can extend from the front end of the gallbladder mirror to a plane of 10 mm to 50 mm under the driving of the micro motor.
  • three sets of identical infrared devices are installed in the infrared region, and the three sets of infrared devices are designed to each other at a 60 degree.
  • the infrared thermal scanning probe can be rotated by the micro motor to perform circular scanning on the scanned object.
  • the infrared thermal scanning system further includes an operation panel, an operation keyboard or a handheld operation device connected to the host of the infrared thermal scanning processing system, and the operation panel and the handheld operation device are provided with a control button.
  • Buttons including switch buttons, mode selection buttons, infrared intensity fine-tuning function buttons, and monitor menu buttons.
  • the mode selection button is used to switch between different display modes, including the normal display mode and the night vision display mode.
  • the normal display mode refers to the display mode of infrared scanning under the illumination of the endoscope cold light source and the infrared light source
  • the night vision display mode refers to Without the endoscope cold light source and the infrared light source, depending on the different radiation intensity of the tissue, the doctor can compare the images in the two modes to obtain a better diagnostic effect from another angle.
  • the infrared panel of the infrared thermal scanning processing system is provided with an output port, and the infrared thermal scanning system monitor, an operating keyboard or a handheld operating device is connected to the output port, and the infrared thermal scanning system monitor scans and infrared heat scans. The scanning of the probes is consistent, enabling simultaneous scanning.
  • the integrated infrared thermal scanning gallbladder mirror system of the present invention has the following working principle: the gallbladder wall is filled with abundant blood vessels, the arterial blood temperature is high, the venous blood temperature is low, and there is some heat exchange mechanism between the two. Both of them radiate infrared rays of different wavelengths.
  • the temperature of the gallbladder wall tissue is not only affected by blood flow in the blood vessels, but also by its own metabolism. Therefore, the temperature of the gallbladder wall tissue is rich or not due to blood vessels and metabolic activity. Different from each other, the wavelength of infrared rays radiated from the outside is also different. For the inflammatory lesions between the walls of the gallbladder, the temperature is significantly higher than normal due to its active metabolism.
  • blood components serum, plasma, hemoglobin, albumin, red blood cells, lymphocytes, platelets
  • infrared rays to the surrounding tissue.
  • the absorption effect is very small, the infrared system has an accuracy of less than or equal to 0.05 degrees, and the spatial resolution is at least 0.8 mrad.
  • the infrared thermal scanning probe scans at a close distance in the gallbladder cavity to obtain a fine and precise infrared image.
  • the integrated infrared thermal scanning gallbladder mirror system of the present invention has the following working processes: the blood flow in the gallbladder blood vessels and the infrared radiation radiated from the gallbladder wall tissue, and the infrared infrared scanning probe into the gallbladder cavity.
  • the processing chip converts the optical signal into an electrical signal, and after preprocessing (such as amplification, filtering, etc.), the preamplifier and the main amplifier are amplified to a certain level and then enter the infrared thermal scanning processing system host.
  • the signal input to the host also has a synchronization signal, a reference black body signal, and the like.
  • the micro-motor After the infrared thermal scanning probe is started, the micro-motor is driven to extend a certain distance from the tip end of the gallbladder mirror, and is rotated by the micro-motor to perform circular scanning on the gallbladder wall, and the data obtained by multi-plane continuous cross-cutting scanning is transmitted to the infrared ray.
  • the main body of the thermal scanning processing system performs image processing and outputs it to the infrared thermal scanning system monitor to clearly display the stereoscopic images of the gallbladder wall.
  • the doctor can find out that the blood vessels in the gallbladder wall are abnormally rich, the blood vessels are abnormally sparse or there are blood vessels. Abnormal conditions such as missing areas provide doctors with immediate diagnosis basis.
  • the integrated infrared thermal scanning gallbladder mirror system of the present invention has the following clinical surgical methods: After the patient disinfects the drape, the doctor makes an incision in the abdominal wall of the patient and passes through the piercing device, and passes through the laparoscope to make a gas. Abdominal, straight in laparoscope The gallbladder is taken out to the outside of the body, and a micro-incision is made at the bottom of the gallbladder, so that the infrared hot-scanning gallbladder mirror enters the gallbladder cavity, the bile is taken out and the saline is filled by the water inlet channel to fill the gallbladder, and the endoscope monitor outputs the gallbladder cavity.
  • the infrared resolution of the current medical infrared imaging technology is very high, and has been widely used in many fields, especially in the medical field.
  • the infrared thermal scanning probe is integrated on the gallbladder mirror, and the infrared thermal scanning probe is rotated by the micro motor to extend the tip end of the gallbladder mirror, and the infrared radiation formed by the temperature difference of the blood flow of the blood vessel of the gallbladder wall is scanned and monitored.
  • the data obtained by the plane continuous cross-cut scan is transmitted to the host of the infrared thermal scanning processing system for image processing, and the stereoscopic blood vessel static image of the gallbladder is clearly displayed, which provides a reliable objective basis for the doctor to judge the gallbladder wall lesion and functional state, and enriches the diagnosis of gallbladder disease. Means to effectively improve the accuracy of the diagnosis.
  • FIG. 1 is a schematic view showing the structure of an integrated infrared thermal scanning gallbladder mirror system according to the present invention.
  • Fig. 2A is a schematic view showing the structure of an infrared thermal scanning hard gallbladder mirror using an electronic CCD optical system.
  • 2B is a schematic view showing the structure of an infrared thermal scanning hard gallbladder mirror using a prism optical system.
  • Fig. 2C is a schematic view showing the structure of an infrared thermal scanning soft gallbladder mirror using an electronic CCD optical system.
  • 2D is a schematic view showing the structure of an infrared thermal scanning soft gallbladder mirror using an optical fiber optical system.
  • Fig. 3A is a schematic view showing the end structure of the infrared thermal scanning hard gallbladder mirror shown in Fig. 2A.
  • Fig. 3B is a schematic view showing the end structure of the infrared thermal scanning hard gallbladder mirror shown in Fig. 2B.
  • Fig. 3C is a schematic view showing the end structure of the infrared thermal scanning soft gallbladder mirror shown in Fig. 2C.
  • Fig. 3D is a schematic view showing the end structure of the infrared thermal scanning soft gallbladder mirror shown in Fig. 2D.
  • FIG. 4 is a schematic view showing the structure of an infrared thermal scanning probe according to the present invention.
  • Fig. 5 is a schematic view showing the surgical method of the integrated infrared thermal scanning gallbladder mirror system according to the present invention. detailed description
  • the integrated infrared thermal scanning gallbladder mirror system of the present invention comprises an infrared thermal scanning gallbladder
  • the mirror 1 the cold light source host 2, the camera host 3, the infrared thermal scanning processing system host 4, the operating keyboard or handheld operating device 5, the infrared thermal scanning system monitor 6 and the endoscope monitor 7.
  • the infrared thermal scanning processing system host 4 is further connected with an operation panel, and the handheld operation device 5 and the operation panel are provided with control buttons such as a switch button, a mode selection button, an infrared intensity fine adjustment function button, and a monitor menu button.
  • FIGS. 1A, 2B, 2C and 2D respectively show the structural diagrams of four different forms of the infrared thermal scanning gallbladder mirror 1, wherein:
  • FIG. 2A is a schematic view showing the structure of an infrared thermal scanning hard gallbladder mirror using an electronic CCD optical system, the infrared thermal scanning hard gallbladder mirror having a rigid working end portion 11, a cold light source connector 12, a data connector 13, and a linear instrument channel. 14. Water inlet channel 15 and water outlet channel 16.
  • the hard working end portion 11 has non-bendability, and has a diameter of 12.0 mm and a length of 250 mm to 300 mm. In order to avoid damage to the mucosal tissue, the tip end portion is designed to be blunt.
  • the electronic CCD optical system is disposed at the front end of the hard working end portion 11, and adopts an optical lens with a diameter of 1.5 mm to 3.0 mm, and the CCD chip adopts a CCD with a size of 1/4 inch and at least 480,000 effective pixels.
  • the field angle is above 100 °.
  • the linear mechanical passage 14 has a diameter of 3.0 mm, and the water inlet passage 15 and the water outlet passage 16 are respectively located on both sides of the infrared thermal scanning hard cholecystoscope, and each has a diameter of 1.0 mm.
  • FIG. 2B is a schematic view showing the structure of an infrared thermal scanning hard gallbladder mirror using a prism optical system, the infrared thermal scanning hard gallbladder mirror having a rigid working end portion 11, a cold light source connector 12, a data connector 13, and an eyepiece input end 17, The water inlet passage 15 and the water outlet passage 16.
  • the hard working end portion 11 has an inflexibility, and has a diameter of 12.0 mm and a length of 250 mm to 300 mm. In order to avoid damage to the mucosal tissue, the tip end portion is designed to be blunt.
  • the prism optical system uses an optical lens having a diameter of 1.5 mm to 3.0 mm.
  • the water inlet channel 15 and the water outlet channel 16 are respectively located on both sides of the infrared scanning hard gallbladder mirror, and the diameters thereof are 1. ( ⁇ 1 ⁇
  • 2C is a schematic view showing the structure of an infrared thermal scanning soft gallbladder mirror using an electronic CCD optical system having a soft working end portion 21, a data connector 22, an operating handle 23, and an instrument channel 24.
  • the soft working end portion 21 has a diameter of 12.0 mm and a length of 500 mm.
  • the electronic CCD optical system is disposed at the front end of the soft working end portion 21, and adopts an optical lens with a diameter of 1.5 mm to 3.0 mm, and the CCD chip adopts a CCD with a size of 1/4 inch and at least 480,000 effective pixels.
  • the field angle is above 100 °.
  • the instrument channel 24 has a diameter of 3.0 mm.
  • 2D is a schematic view showing the structure of an infrared thermal scanning soft gallbladder mirror using an optical fiber optical system having a soft working end portion 21, a data connector 22, an operating handle 23, an instrument channel 24, and an eyepiece. Input terminal 25.
  • the soft working end portion 21 has a diameter of 12.0 mm and a length of 500 mm.
  • the optical fiber optical system uses an optical lens having a diameter of 1.5 mm to 3.0 mm.
  • the instrument channel 24 has a diameter of 3.0 mm.
  • 3A to 3D are respectively a schematic view showing the end structure of the infrared thermal scanning gallbladder mirror shown in Figs. 2A to 2D, wherein:
  • FIG. 3A is a schematic view showing the end structure of the infrared thermal scanning hard gallbladder mirror shown in FIG. 2A.
  • the infrared thermal scanning hard gallbladder mirror has an endoscope lens 131 integrated in the tip end portion 111 of the hard working end portion 11, and infrared thermal scanning.
  • the probe 132 and the light guiding fiber 121 are also provided with an instrument channel outlet 141, a water inlet channel outlet 151 and a water outlet channel outlet 161.
  • the endoscope lens 131 is an optical lens of 1.5 mm to 3.0 mm.
  • the infrared thermal scanning probe 132 has a diameter of 3.0 mm.
  • FIG. 3B is a schematic view showing the end structure of the infrared thermal scanning hard gallbladder mirror shown in FIG. 2B.
  • the infrared thermal scanning hard gallbladder mirror has an endoscope lens 171 and an infrared thermal scanning probe integrated at the tip end portion of the hard working end portion 11. 132 and light guiding fiber 121, and further provided with a water inlet channel outlet 151 and a water outlet channel outlet 161.
  • the endoscope lens 171 is an optical lens of 1.5 mm to 3.0 mm.
  • the infrared thermal scanning probe 132 has a diameter of 3.0 mm.
  • FIG. 3C is a schematic view showing the end structure of the infrared thermal scanning soft gallbladder mirror shown in FIG. 2C.
  • the infrared thermal scanning soft gallbladder mirror has an endoscope lens 221 and an infrared thermal scanning probe integrated at the tip end portion of the soft working end portion 21. 132 and light guiding fiber 222, and an instrument channel outlet 241 is also provided.
  • the endoscope lens 221 is an optical lens of 1.5 mm to 3.0 mm.
  • the infrared thermal scanning probe 132 has a diameter of 3.0 mm.
  • 3D is a schematic view showing the end structure of the infrared thermal scanning soft gallbladder mirror shown in FIG. 2D.
  • the infrared thermal scanning soft gallbladder mirror has an endoscope lens 251 and an infrared thermal scanning probe integrated at the tip end portion of the soft working end portion 21. 132 and light guiding fiber 222, and an instrument channel outlet 241 is also provided.
  • the endoscope lens 251 is an optical lens of 1.5 mm to 3.0 mm.
  • the infrared thermal scanning probe 132 has a diameter of 3.0 mm.
  • the infrared thermal scanning probe 132 is provided with an infrared region 1322.
  • the infrared region 1322 is externally provided with a protective cover 1321, and the infrared region 1322 is provided with an infrared device 1323.
  • the infrared device 1323 includes an infrared light source emitter and an infrared receiving lens. Three sets of the same infrared device 1323 are installed in the infrared region 1322, and the three groups of infrared devices 1323 are designed to be 60 degrees.
  • the infrared thermal scanning probe 132 can be extended by the micro-motor to extend the front end of the infrared thermal scanning gallbladder lens by 10 mm to 50 mm, and rotate in the direction of the N-N' to perform circular scanning on the scanned body.
  • Fig. 5 is a schematic view showing the surgical method of the integrated infrared thermal scanning gallbladder mirror system according to the present invention.
  • the doctor makes an incision in the abdominal wall of the patient and passes through the sputum, through the laparoscopic laparoscopic and pneumoperitoneum, and extracts the gallbladder 8 to the outside of the body under the direct view of the laparoscope, at the bottom of the gallbladder 8.
  • make a small incision make the infrared thermal scanning gallbladder mirror 1 into the gallbladder cavity, extract the bile and use the influent channel 15 to pass the physiological saline to fill the gallbladder.
  • the endoscope monitor 7 outputs a clear image in the gallbladder cavity, through the instrument channel 14
  • the water inlet channel 15 and the water outlet channel 16 introduce various instruments, and can perform intracavitary intracavitary surgery to treat diseases such as stone polyps.
  • the infrared thermal scanning probe 132 located at the tip end portion 111 of the infrared thermal scanning gallbladder mirror 1 can be activated, and the infrared thermal scanning probe 132 is extended to extend a certain distance of the anterior end portion 111 of the gallbladder mirror, and performs infrared thermal scanning for rotating the gallbladder cavity, and outputs infrared heat.
  • the scanning system monitor 6 provides a basis for the doctor to diagnose the condition of the gallbladder wall and surrounding tissue.

Abstract

L'invention concerne un système de cholécystoscopie intégrant un dispositif de balayage thermique infrarouge, qui comprend un cholécystoscope (1) auquel sont reliés le dispositif de balayage thermique infrarouge, une source de lumière froide hôte (2), une caméra hôte (3), un moniteur endoscopique (7) et un système de balayage thermique infrarouge. Le système de balayage thermique infrarouge comprend un système hôte de traitement par balayage thermique infrarouge (4) et un moniteur de système de balayage thermique infrarouge (6). Le système de cholécystoscopie intègre une sonde de balayage thermique infrarouge (132) pouvant effectuer un balayage circulaire tridimensionnel des tissus des parois de la vésicule biliaire. Les données acquises sont transmises au système hôte de traitement par balayage thermique infrarouge (4) pour traitement des images. Le système de traitement par balayage thermique infrarouge offre plusieurs modes de fonctionnement, dont un mode d'affichage normal et un mode d'affichage en vision nocturne.
PCT/CN2011/070550 2010-12-10 2011-01-25 Système de cholécystoscopie intégrant un dispositif de balayage thermique infrarouge WO2012075706A1 (fr)

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CN201010581866.8 2010-12-10
CN2010105818668A CN102100542A (zh) 2010-12-10 2010-12-10 一体化红外线热扫描胆囊镜系统

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CN102551651A (zh) * 2011-12-30 2012-07-11 广州宝胆医疗器械科技有限公司 具有夜视功能的胆囊镜系统
CN102697474A (zh) * 2012-01-18 2012-10-03 广州宝胆医疗器械科技有限公司 一体化oct硬质胆囊镜系统
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