[go: up one dir, main page]

WO2021233873A1 - Dispositif d'assistance à l'éclairage et à la représentation des limites anatomiques lors d'interventions médicales - Google Patents

Dispositif d'assistance à l'éclairage et à la représentation des limites anatomiques lors d'interventions médicales Download PDF

Info

Publication number
WO2021233873A1
WO2021233873A1 PCT/EP2021/063074 EP2021063074W WO2021233873A1 WO 2021233873 A1 WO2021233873 A1 WO 2021233873A1 EP 2021063074 W EP2021063074 W EP 2021063074W WO 2021233873 A1 WO2021233873 A1 WO 2021233873A1
Authority
WO
WIPO (PCT)
Prior art keywords
hollow tube
light
channel
light sources
lumen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2021/063074
Other languages
German (de)
English (en)
Inventor
Helmut Neumann
Oliver MUENSTERER
Sara MAHLER
Andreas Lindner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johannes Gutenberg Universitaet Mainz
Universitaetsmedizin der Johannes Gutenberg-Universitaet Mainz
Original Assignee
Johannes Gutenberg Universitaet Mainz
Universitaetsmedizin der Johannes Gutenberg-Universitaet Mainz
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johannes Gutenberg Universitaet Mainz, Universitaetsmedizin der Johannes Gutenberg-Universitaet Mainz filed Critical Johannes Gutenberg Universitaet Mainz
Publication of WO2021233873A1 publication Critical patent/WO2021233873A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • A61B1/005—Flexible endoscopes
    • 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
    • A61B1/0615—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 for radial illumination
    • 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
    • A61B1/0684—Endoscope light sources using light emitting diodes [LED]
    • 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
    • A61B1/07—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 using light-conductive means, e.g. optical fibres
    • 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
    • A61B1/00082—Balloons
    • 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
    • A61B1/00147—Holding or positioning arrangements
    • A61B1/00158—Holding or positioning arrangements using magnetic field

Definitions

  • the present invention relates to a device for supporting the illumination and the anatomical border display in medical interventions, in particular in the context of endoscopy, laparoscopy and / or diaphanoscopy.
  • Endoscopes and their wide range of applications have become indispensable in modern medicine. In the course of surgical interventions or therapies, it is possible to penetrate into the interior of people or animals.
  • the light source required for an examination or inspection is usually realized via a connected light guide which transports light to the tip of the endoscope, for example via a glass fiber bundle.
  • Such endoscopes or probes equipped with a light guide are described, for example, in WO 2019/185645 A1, DE 4340 997 A1 or WO 01/87416 A1.
  • US Patent 5,588,952 describes a flexible probe equipped with a light source and a light guide. The disadvantage of such systems is that the illumination only takes place in the direction in which the imaging lens of the endoscope is also pointing.
  • DE 10 2006 001 736 A1 proposes a device equipped with several light sources for applying monochromatic light in the wavelength range from 600 nm to 380 nm in body orifices.
  • the device comprises a hollow cylinder, in the interior of which several light sources are arranged in such a way that they can emit their light to the outside and the top and bottom of which are hermetically sealed.
  • the light sources can be fed with one or more batteries located in a shaft.
  • the light sources are, for example, laser diodes. This enables other regions that are not directly illuminated by the imaging endoscope to be made visible.
  • US 2004/0093044 A1 describes a catheter system in which a light guide is provided in the catheter shaft in order to guide light from a light source to the proximal end of the catheter.
  • the catheter is also equipped with a balloon adjacent to the lighting zone.
  • EP 2 111 896 A1 describes a probe made of silicone or a silicone-like material which is transparent to light.
  • a light guide is inserted into the probe, which emits light over a large part of its length.
  • the probe provides two channels (lumina), a light guide being inserted into one channel. Different wavelengths can be emitted.
  • the lumen of the probe which is not occupied by a light guide, can be used for the discharge or supply of fluid. Similar variants of such lighting devices are described in US 2007/177008 A1 or US 2005/099824 A1.
  • WO2017 / 011085 A1 describes a gastric tube equipped with a light source which comprises a gastric bougie and a catheter.
  • the light source comprises an optical light string, but can also consist of individual light point sources.
  • US 2018/0049902 A1 describes a device for gastrectomy which comprises a hollow tube in which a number of LED light sources are arranged. These are used to illuminate the surgical site in the course of a stomach removal.
  • the object of the present invention to provide an alternative device for supporting the illumination during medical interventions, in particular in the context of endoscopy, laparoscopy and / or diaphanoscopy, in order to improve the lighting situation in endoscopic applications or surgical measures.
  • the device according to the invention enables anatomical target structures or objects to be illuminated with the aid of further light sources, which has many advantages in endoscopic or laparoscopic surgery.
  • the device according to the invention enables the illumination of hollow organs, a transillumination of tissues, a better delimitation of anatomical boundaries or also an exact placement of surgical instruments or fluorescent markings.
  • the device according to the invention enables, for example, precise intraluminal positioning, while in the case of surgical preparations of hollow organs the anatomical boundaries can be identified better and more reliably.
  • a suction and / or rinsing function is also integrated in the device, or also additional functional elements which give the device the function of a retractor or a preparation aid.
  • the device in its basic form, comprises a hollow tube with a proximal end and a distal end.
  • the proximal end denotes the part of the hollow tube that points towards the body of a patient (ie closer to the body), while the distal end is the opposite (ie more distant from the body) section of the hollow tube.
  • the distal end of the hollow tube is used, for example, to supply energy to the light sources (electrical wiring), to supply or discharge fluids (e.g. via suction or rinsing lines) or to operate control elements (e.g. setting the wavelength or the intensity of the light sources).
  • a lumen is formed in the interior of the hollow tube, ie a cavity in which a separate light cord is guided.
  • the length of the light string is equipped with one or more light sources connected in series.
  • the light cord is preferably flexible and its shape follows the shape of the hollow tube, but it can also be designed to be rigid if the Hollow hose should have a certain rigidity in a certain application, depending on the respective area of use.
  • Active or passive light sources are preferably used in the device according to the invention. Active light sources independently generate light to illuminate their surroundings. Passive light sources emit light by reflecting received light, i.e. they pass on light from another light source without emitting light energy themselves.
  • the active light sources are preferably luminescence diodes (LEDs), although other lighting means that are suitable for the purpose according to the invention can also be used.
  • LEDs are preferably arranged along the light string in order to obtain as large an area as possible, but at the same time also targeted illumination.
  • the LEDs in the individual design variants are preferably designed in different colors and arranged at defined intervals on the light string.
  • the light sources can also be formed by the ends of different light guides which guide the light from the outside to the desired light source position. This has the advantage that no electrical connection lines have to be routed to the cranial section of the device.
  • one or more glass fibers or other light guides can be used as the light source.
  • individual or all light sources of the light string can be regulated individually or collectively in terms of their wavelength, frequency and / or intensity via a control unit.
  • the term “intensity” is understood to mean either the irradiance or the illuminance.
  • the luminous intensity indicates the luminous flux related to the solid angle.
  • light sources are used which emit in a wavelength range from approximately 380 nm to 780 nm.
  • the preferred wavelength is in the range from 400 nm to 700 nm
  • the red LEDs preferably in the range 700 to 630 nm
  • the orange LEDs preferably in the range 630 to 590 nm
  • the yellow LEDs preferably in the range 590 to 560 nm
  • the green LEDs preferably emit in the range 560 to 490 nm
  • the blue LEDs preferably emit in the range 490 to 450 nm
  • the violet LEDs preferably emit in the range 450 to 400 nm.
  • the individual wavelength of a light source can be regulated via a control unit independently of the selected wavelength of the other light sources.
  • all the light sources of the light string can be regulated synchronously or individually in terms of their wavelength, frequency and / or intensity.
  • the central component of the device according to the invention is thus a flexible hollow tube which is transparent at least in the area of the light sources.
  • the hollow tube For use in endoscopy, laparoscopy and / or diaphanoscopy, it is necessary according to the invention for the hollow tube to be flexibly malleable and to be transparent in the area of the light sources.
  • the entire hollow tube is translucent from the inside to the outside.
  • the hollow tube is preferably a tube or a tube piece made of silicone, a silicone-like material or another biocompatible material.
  • other synthetic polymers can also be used as the hollow tube, which are at least partially transparent to the required wavelength range.
  • Preferred plastics for the hollow tube or its coating are, for example, cyclo-olefin copolymers, polycarbonates, polyethylene teraphthalates, perfluoroalkoxy polymers, polyvinylidene fluorides, polymethyl methacrylates, polymethyl methacrylimides, acrylstyrene-acrylonitrile copolymers, silicones, epoxy casting resins or epoxy adhesives , thermally or UV-crosslinking acrylate casting resins, polyurethane casting resins, polyester casting resins or mixtures and / or combinations thereof.
  • cyclo-olefin copolymers polycarbonates, polyethylene teraphthalates, perfluoroalkoxy polymers, polyvinylidene fluorides, polymethyl methacrylates, polymethyl methacrylimides, acrylstyrene-acrylonitrile copolymers, silicones, epoxy casting resins or epoxy adhesives , thermally or UV-crosslinking acrylate casting resins, polyurethane casting
  • the lumen of the hollow tube comprises its own channel for conveying fluids (e.g. liquids, gases or body secretions) which is separated from the lumen for guiding the light cord.
  • fluids e.g. liquids, gases or body secretions
  • the separation can take place, for example, via a partition.
  • the lumen for the light cord and the channel for guiding fluids are formed by separate tubes which are inserted inside the hollow tube. These tubes can either be fixedly connected to the raw tube or, in another variant of the invention, can be displaced in the longitudinal direction within the hollow tube.
  • the channel for fluid provided in the hollow tube is preferably used for sucking liquids from the body or for rinsing the examination region.
  • the channel is preferably connected to a suction device and / or a pump.
  • One or more intermediate containers are provided, for example collecting containers or containers for the provision of rinsing liquid or air.
  • the channel comprises one or more openings in its longitudinal extension for the entry or exit of fluids in order to achieve the suction or flushing effect.
  • This opening is preferably located at the proximal end of the hollow tube, either on its end face or at a point on the radially extending hollow tube wall.
  • a plurality of openings can either be arranged in the longitudinal extension of the hollow tube or can also be arranged radially circumferentially. The arrangement of the openings can either be uniform or staggered.
  • a connection for the suction device or the pump is preferably provided at the opposite distal end. Alternatively, the connection can be equipped with a bladder syringe.
  • the LEDs of the light string should be electrically isolated.
  • the energy supply takes place via a line which preferably leaves the hollow tube on the face of the distal end and is coupled to the control unit.
  • the control unit comprises several operating elements such as a control for adjusting the wavelength, frequency or intensity, a switch for switching the light sources on and off or dimming and, if necessary, display elements.
  • the medical device according to the invention comprises a further function, for example to mobilize tissue or organs for illumination.
  • a further function for example to mobilize tissue or organs for illumination.
  • the hollow tube which is flexible in itself, is transformed into a rigid retractor which, however, also illuminates the area of use due to the light cord that is also integrated.
  • hemispheres in a section of the lumen of the hollow tube there are several hemispheres arranged in a row, which can be fixed in their position via a fixing element extending in the longitudinal direction of the hollow tube.
  • the ball centers are connected via the fixing element (e.g. a fixing thread).
  • the hemispheres preferably have a concave and a convex side, which preferably have a 3-D profile, for example in the form of a three-dimensional grain on their surface, so that the hollow tube can be held in a certain position when the fixing element is actuated.
  • the hollow tube comprises additional control elements, which also extend in the longitudinal direction of the hollow tube and on the Front side of the proximal end of the hollow tube are connected to the hollow tube at anchor points.
  • anchor points are preferably distributed evenly spaced at the proximal end of the hollow tube.
  • four control elements are provided which, for example, are connected to the proximal end of the hollow tube at the 3, 6, 9 and 12 position as an anchor point.
  • the individual control elements can be operated via the distal end of the hollow tube.
  • the control elements are preferably control threads which run through the hemispheres and open into a control thread bundle at the distal end of the hollow tube. Due to this construction, it is possible to change the shape of the hollow tube, for example to prevent organs or tissue from shifting in front of the field of vision, while the position of the hollow tube is held by the control elements and the hemispheres connected in series.
  • an outwardly extending gripper is formed at the distal end of the hollow tube, which gripper can be operated through the hollow tube via a control element extending therein.
  • This is preferably an atraumatic gripper with which it is possible, for example, to hold the gastric mucosa away from an endoscope, but at the same time also to build up a certain amount of tension on the tissue. This is particularly helpful during an endoscopic G-POEM operation.
  • the device according to the invention is guided in addition to an endoscope via the patient's esophagus into the stomach. The desired point in the gastric mucosa is grasped with the gripper and then stiffened with the aid of the fixing element and the operating element provided for this purpose.
  • the surgical site is illuminated with different colors, so that the surgeon has a better orientation while he is performing an intervention between the gastric mucosa and the surrounding muscle layer.
  • the hollow tube according to the invention additionally comprises a balloon, so that the device can be used as a catheter, for example as a urinary catheter.
  • the balloon is expediently located in a proximal section, preferably at the proximal end of the hollow tube.
  • the light cord is guided in a separate lumen of the hollow tube.
  • a separate filling channel is provided for inflating or deflating the balloon, through which the filling fluid for filling the balloon is passed or through which the filling fluid can be discharged again when the balloon is deflated.
  • connection for the balloon fluid preferably a connection for the balloon fluid, a line guide for the light cord and a connection for a fluid, for example a connection for a urine bag or a Bladder syringe.
  • a connection for a fluid for example a connection for a urine bag or a Bladder syringe.
  • the distal end of the hollow tube is closed and there is an opening at its proximal end, so that the esophagus can be illuminated, similar to a gastric tube, albeit illuminated.
  • the hollow tube can also be open at the end, for example to suck off gastric juice into a secretion bag or a syringe.
  • a magnet or a magnetic element is located in the hollow tube so that the device can be brought to the desired position with a magnetic auxiliary tool.
  • the device can again be easily removed from the patient's body using the magnetic auxiliary tool.
  • a hollow tube can be used as an auxiliary tool, in which a magnet of opposite polarity, for example a bar magnet, is located.
  • a plastic rod e.g. silicone rod
  • the magnetic coupling makes it possible to position the lighting device according to the invention precisely or to get it out of the body.
  • Fig. 1 shows a variant embodiment of a lighting device according to the invention
  • FIG. 2 shows a further development of the embodiment shown in Fig. 1,
  • Fig. 3 shows an alternative embodiment
  • FIG. 4 shows an embodiment which is suitable for laparoscopic interventions
  • Fig. 5 shows a further development of the variant of Fig. 4,
  • FIG. 6 shows an embodiment variant designed as a catheter
  • Fig. 7 shows a variant which can be used as a gastric tube
  • FIG. 8 shows a variant embodiment which enables positioning by means of one or more magnets.
  • a first embodiment of the medical lighting device is shown.
  • This consists of a hollow tube made of silicone or a silicone-like material.
  • tubes coated with PVC or Teflon are preferred in order to protect the working channel of the endoscope.
  • the outside diameter is between 2.0 and 4.0 mm, preferably 2.8 mm.
  • a luminous cord 3 which consists of several light sources 4 (LEDs) arranged in a row, is guided within the hollow tube 1. The LEDs are arranged at regular intervals of approx. 1 cm, starting from the proximal end 21 of the hollow tube 1.
  • the distances between the LEDs vary depending on the intended use and are up to 40 cm for a gastric tube, up to 110 cm for a tube for a colonoscopy and up to 61 cm for a tube for a gastroscopy.
  • the light cord 3 is connected via a line 5 for the energy supply.
  • the hollow tube 1 is completely waterproof, flexible and translucent.
  • the light sources 4 are regulated by a control unit 6 with which various parameters of the light sources 4, such as intensity or wavelength, can be set via a control 7.
  • LEDs with different colors or wavelengths are integrated as light sources 4 in the light string 3 and are arranged at regular intervals from one another. Due to this construction, an optimal illumination of the target area is made possible.
  • the control unit 6 there is also a switch 8 for switching the light sources 4 on and off and a switch 9 for switching to the flash mode (pulsing).
  • the LEDs are preferably operated via a battery, the electrical wiring being carried out via an electrical line 5 which is inserted into the lumen 2 via the distal end 22 of the hollow tube 1.
  • the light cord 3 is either fixed or displaceable within the hollow tube 1 in the lumen 2.
  • certain guide aids are then required as auxiliary tools.
  • FIG. 2 shows a further development in which, in addition to the luminous cord 3, a channel 10 is also integrated in the lumen 2 of the hollow tube 1.
  • the channel 10 can be used to suck in fluid (liquids or gases) from a region of the body or to flush fluid into the target region.
  • at least one opening is provided on the end face of the proximal end 21 of the hollow tube 1.
  • Body fluids or secretions for example, can be transported via the channel 10 via a suction channel 17 into a collecting container 12 by means of a suction device 13. This can be regulated via a valve 11.
  • fluids for example liquids
  • a fluid container 15 by means of a pump 14 via a flushing channel 16 and the channel 10 located in the hollow tube 1.
  • the whole thing is very gentle on the tissue and enables fluids to be removed or rinsed with saline solution during a surgical procedure.
  • a channel 10 is also provided in the lumen 2 of the hollow tube 1, which forms its own lumen and through which fluids such as liquids or gases can be passed, for example by pumping or suction.
  • openings 20 are provided in the wall of the hollow tube 1, which open the channel 10 to the outside world and enable fluid to be transported.
  • the distal end of the channel 10 can, for example, be provided with a connection for a suction device or a bladder syringe.
  • the hollow tube 1 is introduced into the patient, for example via a trocar, and gently brought into the desired position.
  • a light cord 3 with several light sources 4 arranged in series is located in the lumen 2 within the hollow tube 1 (FIG. 4B).
  • additional elements are provided in order to give the device the function of a retractor (FIG. 4A).
  • the fixing element 31 can for example be a fixing thread.
  • the proximal end of the fixing element 31 cooperates with control elements 33 (in the variant, three control elements 33.1, 33.2, 33.3 are shown, which are designed as control threads), the ends of which with anchor points 34 (in the variant there are three Anchor points 34.1, 34.2, 34.3 shown) are connected to the proximal end 21 of the hollow tube 1.
  • the individual control elements 33 can be steered centrally via a control thread bundle 32 at the distal end.
  • the concave and convex sides of the half-shells 30 have a three-dimensional profile on their surface so that they can be fixed in a certain position by actuating the fixing element 31.
  • more than three, for example four or six control elements 33 or anchor points 34 can be implemented.
  • the arrangement of the half-shells 30 gives the hollow tube 31 a rigidity, which, for example, makes it possible to retain tissues or organs at the surgical site.
  • the light cord 3 enables the OP area to be illuminated.
  • FIG. 5 shows a further development of the variant from FIG. 4.
  • the mentioned half-shells 30 with the control elements 33 which are fastened with the proximal end 21 to anchor points 34, can be seen (FIG. 5A).
  • the light cord 3 required for the illumination and an additional atraumatic gripper 40 which can be operated via a control element 41.
  • a variant is also conceivable in which only the gripper 40 with the control element 41 is arranged in the lumen 2 of the hollow tube 1, that is to say a variant that manages without half-shells 30.
  • the gastric mucous membrane is pressed lightly in order to build up a certain amount of tension on the tissue.
  • the hollow tube 1 is passed through the patient's esophagus together with an endoscope into the stomach.
  • the desired point in the gastric mucosa is then grasped with the gripper 40 under an endoscopic view.
  • the surgeon By illuminating the luminous cord 3 by means of light sources 4, the surgeon has a much better orientation than would be the case with a conventional endoscope. He can even recognize subtle differences between the gastric mucosa and the muscle layer.
  • it has a scaling through possible colored LEDs that are arranged at a defined distance.
  • the hollow tube 1 comprising at least one inflatable balloon 51 which can be filled via a filling channel 50.
  • This variant is suitable, for example, as a urinary catheter for illuminating or displaying the urethra.
  • the device is pushed through the urethra into the bladder and then the balloon 51 in the bladder is inflated by passing liquid or a gas mixture through the filling channel 50 into the balloon 51.
  • the channel 10 ends at the proximal end 21 in an opening 52 in order to either suck in / drain off liquid or to flush it into the region to be treated.
  • Various connections are provided at the distal end 22. So ends the channel 10 into a connection 53 for the fluid, for example a connection for a urine bag or a bladder syringe.
  • the filling channel 50 opens into a connection 54 for the balloon fluid.
  • the light sources (LEDs) 4 of the luminous cord 3 shine in the variant shown in different colors, which makes it possible to estimate the distance and to define anatomical boundaries.
  • the control is preferably carried out outside the body. This is particularly useful for corrective operations on the genital area, such as flypospadia correction, and makes preparation easier.
  • a variant is shown which is suitable as a gastric tube.
  • the channel 10 comprises an opening 52, the distal end of the channel 10 opening into a connection 55 for a secretion bag.
  • the hollow tube 1 is positioned by means of one or more magnets 61.
  • the magnet 61 enables the device to be positioned at the target location.
  • the energy store (battery 62) is also integrated in the hollow tube 1.
  • the switching of the light sources 4 of the light cord 3 takes place via a switch 60.
  • the positioning by means of magnets 61 takes place via an auxiliary tool which has a magnet of opposite polarity (not shown).
  • the lighting device according to the invention provides an additional light source in endoscopy or laparoscopy, it being possible for additional different wavelengths to be applied in order to also enable fluorescence examinations, for example.
  • fuzzy borders but also very small, difficult-to-identify tissue structures can be recognized and prepared accordingly.
  • the device enables such transitions to be made more easily recognizable for the surgeon, while at the same time the risk of injury to adjacent tissue structures is significantly reduced.
  • the description shows the wide range of applications in different areas of medicine. List of reference symbols:

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Endoscopes (AREA)

Abstract

L'invention concerne un dispositif d'assistance à l'éclairage et à la représentation des limites anatomiques lors d'interventions médicales, en particulier dans le cadre d'une endoscopie, d'une laparoscopie et/ou d'une diaphanoscopie, comprenant un tuyau creux (1) pourvu d'une extrémité proximale (21) et d'une extrémité distale (22) et d'un cordon lumineux (3) séparé qui est guidé dans une lumière (2) du tuyau creux (1) et qui présente sur sa longueur une ou plusieurs sources lumineuses (4) montées en série dont la longueur d'onde, la fréquence et/ou l'intensité sont régulables individuellement ou conjointement par l'intermédiaire d'une unité de commande (6), le tuyau creux (1) pouvant être mis en forme de manière flexible et étant transparent au moins dans la zone des sources lumineuses (4).
PCT/EP2021/063074 2020-05-19 2021-05-18 Dispositif d'assistance à l'éclairage et à la représentation des limites anatomiques lors d'interventions médicales Ceased WO2021233873A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020113465.7 2020-05-19
DE102020113465.7A DE102020113465A1 (de) 2020-05-19 2020-05-19 Vorrichtung zur Unterstützung der Ausleuchtung und der anatomischen Grenzdarstellung bei medizinischen Eingriffen

Publications (1)

Publication Number Publication Date
WO2021233873A1 true WO2021233873A1 (fr) 2021-11-25

Family

ID=76355444

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/063074 Ceased WO2021233873A1 (fr) 2020-05-19 2021-05-18 Dispositif d'assistance à l'éclairage et à la représentation des limites anatomiques lors d'interventions médicales

Country Status (2)

Country Link
DE (1) DE102020113465A1 (fr)
WO (1) WO2021233873A1 (fr)

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4340997A1 (de) 1993-12-02 1995-06-22 Alexander Wunsch Vorrichtung zur Inkorporation elektromagnetischer Wellen
US5588952A (en) 1993-08-02 1996-12-31 Dandolu; Bhaktavathsala R. Intracardiac illuminator with suction
WO2001087416A1 (fr) 2000-05-17 2001-11-22 Kent Crossley Procede et dispositif servant a empecher des infections
US20040093044A1 (en) 2002-08-05 2004-05-13 Rychnovsky Steven J. Light delivery catheter
EP1076580B1 (fr) * 1998-05-05 2004-08-11 Syncro Medical Innovations, Inc. Catheter pour l'intubation d'un patient
US20050099824A1 (en) 2000-08-04 2005-05-12 Color Kinetics, Inc. Methods and systems for medical lighting
DE102006001736A1 (de) 2006-01-13 2007-07-26 Margull, Matthias, Dipl.-Ing. Vorrichtung zur Applikation von monochromatischem Licht in Körperöffnungen
US20070177008A1 (en) 2005-01-05 2007-08-02 Avantis Medical, Inc. Endoscope with an imaging catheter assembly and method of configuring an endoscope
EP2111896A1 (fr) 2008-04-21 2009-10-28 N.V. Nutricia Dispositif pour rayonnement médical
US20100016844A1 (en) * 2008-07-21 2010-01-21 Patel Jr Manoj B Transilluminating foley catheter to facilitate prostate and bladder surgery
EP2060225B1 (fr) * 2007-11-13 2014-01-15 Covidien LP Système pour rigidifier des instruments médicaux flexibles
US20140235942A1 (en) * 2011-09-30 2014-08-21 Percuvision, Llc Medical device and method for internal healing and antimicrobial purposes
WO2017011085A1 (fr) 2015-07-15 2017-01-19 Cook Medical Technologies Llc Ensemble dispositif médical gastrique éclairé et procédé correspondant
US20180049902A1 (en) 2013-11-08 2018-02-22 Covidien Lp Devices and methods for facilitating sleeve gastrectomy procedures
WO2019185645A1 (fr) 2018-03-29 2019-10-03 Schott Ag Élément conducteur de lumière ou d'image pour endoscope jetable

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5588952A (en) 1993-08-02 1996-12-31 Dandolu; Bhaktavathsala R. Intracardiac illuminator with suction
DE4340997A1 (de) 1993-12-02 1995-06-22 Alexander Wunsch Vorrichtung zur Inkorporation elektromagnetischer Wellen
EP1076580B1 (fr) * 1998-05-05 2004-08-11 Syncro Medical Innovations, Inc. Catheter pour l'intubation d'un patient
WO2001087416A1 (fr) 2000-05-17 2001-11-22 Kent Crossley Procede et dispositif servant a empecher des infections
US20050099824A1 (en) 2000-08-04 2005-05-12 Color Kinetics, Inc. Methods and systems for medical lighting
US20040093044A1 (en) 2002-08-05 2004-05-13 Rychnovsky Steven J. Light delivery catheter
US20070177008A1 (en) 2005-01-05 2007-08-02 Avantis Medical, Inc. Endoscope with an imaging catheter assembly and method of configuring an endoscope
DE102006001736A1 (de) 2006-01-13 2007-07-26 Margull, Matthias, Dipl.-Ing. Vorrichtung zur Applikation von monochromatischem Licht in Körperöffnungen
EP2060225B1 (fr) * 2007-11-13 2014-01-15 Covidien LP Système pour rigidifier des instruments médicaux flexibles
EP2111896A1 (fr) 2008-04-21 2009-10-28 N.V. Nutricia Dispositif pour rayonnement médical
US20100016844A1 (en) * 2008-07-21 2010-01-21 Patel Jr Manoj B Transilluminating foley catheter to facilitate prostate and bladder surgery
US20140235942A1 (en) * 2011-09-30 2014-08-21 Percuvision, Llc Medical device and method for internal healing and antimicrobial purposes
US20180049902A1 (en) 2013-11-08 2018-02-22 Covidien Lp Devices and methods for facilitating sleeve gastrectomy procedures
WO2017011085A1 (fr) 2015-07-15 2017-01-19 Cook Medical Technologies Llc Ensemble dispositif médical gastrique éclairé et procédé correspondant
WO2019185645A1 (fr) 2018-03-29 2019-10-03 Schott Ag Élément conducteur de lumière ou d'image pour endoscope jetable

Also Published As

Publication number Publication date
DE102020113465A1 (de) 2021-11-25

Similar Documents

Publication Publication Date Title
US10750934B2 (en) Endoscopic system for optimized visualization
DE69717606T2 (de) Vorrichtung für die durchführung einer ballontamponadeeinrichtung für die speiseröhre und/oder den magen
DE69516147T2 (de) Endoskopisches instrument zum erstellen einer ligatur
EP2329776B1 (fr) Manipulateur pour utérus
EP0632706B1 (fr) Dispositif permettant de deplacer un endoscope a travers une cavite similaire a un canal
DE10126062B4 (de) Haube für ein Endoskop
DE3504292C1 (de) Instrument fuer endoskopische Eingriffe,insbesondere zur perkutanen Gallensteinentfernung oder Gallenblasenveroedung
DE3689711T2 (de) Medizinisches Instrument mit zugehöriger Leuchte.
DE69833869T2 (de) Chirurgische endoskopische schneidvorrichtung
DE3917328A1 (de) Bipolares koagulationsinstrument
DE10018383B4 (de) Selbsthaltendes Endoskop
DE19962209A1 (de) Spitze für ein Ultraschallendoskop
JP2002514099A (ja) 一人の手術者により交換可能な胆管カテーテル
EP2482912A1 (fr) Drainage par éponge sous vide
DE29801204U1 (de) Jejunaler Nahrungszufuhrschlauch
WO2020178634A1 (fr) Endoscope pourvu de tubes à changement rapide
EP3082560A1 (fr) Tube de réception et de commande de la partie d'introduction flexible d'un endoscope
DE102010045384A1 (de) Vorrichtung zur Reinigung von Abszesshöhlen
DE202014000037U1 (de) Endoskopievorrichtung
DE112018004635T5 (de) Ophthalmisches mikrochirurgisches Instrument
EP1774898A1 (fr) Rectoscope avec des éléments émettant de la lumière
WO2021233873A1 (fr) Dispositif d'assistance à l'éclairage et à la représentation des limites anatomiques lors d'interventions médicales
DE112022004573T5 (de) Modulare systeme und verfahren für endoskopisch abblidende führungsdrähte
DE102014224012A1 (de) Medizinisches Produkt sowie medizinisches Kit zur Ableitung von pathologischen Fluidansammlungen
WO2009000854A1 (fr) Appareil chirurgical

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21731047

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 21731047

Country of ref document: EP

Kind code of ref document: A1