+

WO2008122969A1 - Système de contrôle polyvalent permettant l'approvisionnement d'un milieu fluide à un endoscope - Google Patents

Système de contrôle polyvalent permettant l'approvisionnement d'un milieu fluide à un endoscope Download PDF

Info

Publication number
WO2008122969A1
WO2008122969A1 PCT/IL2007/000438 IL2007000438W WO2008122969A1 WO 2008122969 A1 WO2008122969 A1 WO 2008122969A1 IL 2007000438 W IL2007000438 W IL 2007000438W WO 2008122969 A1 WO2008122969 A1 WO 2008122969A1
Authority
WO
WIPO (PCT)
Prior art keywords
control system
fluid medium
source
fluid
carbon dioxide
Prior art date
Application number
PCT/IL2007/000438
Other languages
English (en)
Inventor
Levin Victor
Amram Aizenfeld
Golan Salman
Shezifi Omer
Oz Dan
Levy Avi
Original Assignee
Stryker Gi Ltd.
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 Stryker Gi Ltd. filed Critical Stryker Gi Ltd.
Priority to PCT/IL2007/000438 priority Critical patent/WO2008122969A1/fr
Publication of WO2008122969A1 publication Critical patent/WO2008122969A1/fr

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
    • A61B1/31—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 rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes
    • 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
    • A61B1/00135—Oversleeves mounted on the endoscope prior to insertion
    • 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
    • A61B1/00142—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 means for preventing contamination, e.g. by using a sanitary sheath
    • 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
    • A61B1/00154—Holding or positioning arrangements using guiding arrangements for insertion
    • 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
    • A61B1/012—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 characterised by internal passages or accessories therefor
    • A61B1/015—Control of fluid supply or evacuation
    • 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
    • A61B1/012—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 characterised by internal passages or accessories therefor
    • A61B1/018—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 characterised by internal passages or accessories therefor for receiving instruments

Definitions

  • the present invention relates generally to the field of endoscopy and specifically to endoscopic apparatus used for endoscopic procedures during which a flexible tube is inserted into the rectum and colon for examination of the colon interior for abnormalities. More particularly, the present invention refers to a control system for supplying a fluid medium, e.g. air, carbon dioxide, water, to the endoscope.
  • a fluid medium e.g. air, carbon dioxide, water
  • Voloshin discloses an endoscope with an endoscopic probe, a bending section for directing the probe within the colon (steering unit), an insertion tube and a flexible covering sleeve or a sheath, which is coupled proximally to the probe.
  • the sleeve is attached to the endoscope in such a manner that its folded section is retained between a cap and an internal spindle, which are located at the rear part of the probe. When inflated, the folded section unfolds over a flange of the internal spindle and an inner portion of the sleeve is pulled behind the steering unit in a distal direction.
  • PCT/IL2003/000661 describes an endoscope employing a flexible inflatable sleeve, which before inflation is retained within a dispenser.
  • the dispenser employed in this endoscope has entry and exit ports, defining a transit passage through which the endoscope may pass.
  • the dispenser is adapted to capture the sleeve as the endoscope is retracted through the transit passage in a proximal direction.
  • the dispenser includes an external sleeve fixed to the dispenser and this external sleeve is adapted to be extended from the dispenser when the endoscope is retracted, so that the external sleeve covers the flexible sleeve.
  • any contamination on the flexible sleeve is retained within the external sleeve and does not contact the endoscope or any other objects or areas outside the patient's body.
  • the endoscope is provided with an internal sleeve, which is also known as a multi-lumen tubing, since it is usually fitted with appropriate passages or lumens as required for irrigation, ventilation, suction and for passing endoscopic tools there through.
  • the proximal end of the multi-lumen tubing is detachably connected via a dedicated connector, or so called hub, to a source of fluid medium and vacuum.
  • a fluid control system is provided, which comprises an external control unit with a pump for supplying compressed air, a flask for supplying water and a pump for producing vacuum.
  • the control unit is provided also with several pinch valves, which control the supply of the compressed air, water and vacuum to the multi-lumen tubing and compressed air to the inflatable sleeve.
  • a new and improved control system and system control unit for supplying fluid medium to the multi-lumen tubing and/or to the inflatable sleeve of an endoscope provided with such a sleeve.
  • This endoscope comprises an operation handle and an insertion tube provided with an insufflation channel, an irrigation channel and a suction channel extending there-along.
  • a system control unit with at least one source of a first fluid medium, a source for a second fluid medium, and a source for a vacuum.
  • a multifunctional connector may be used for bringing the operation handle in fluid and electrical communication with the system control unit.
  • the at least one source of a first fluid medium and the source for the second fluid medium are simultaneously connectable to and disconnectable from the insufflation channel and the irrigation channel.
  • Compressed air is the first fluid medium for insufflation and water is the second fluid medium for irrigation.
  • the compressed air may come from one or more compression pumps.
  • a disadvantage of the device of the parent application is that it is designed to operate solely with compressed air and is not suitable for the inclusion or use of compressed carbon dioxide gas during insufflation, and it operates with compressed air and its attendant risks.
  • control system for supplying fluid medium to the multi-lumen tubing and/or to the inflatable sleeve of an endoscope provided with such a sleeve, wherein, the control system is suitable to control supply of not only compressed air, but also of carbon dioxide.
  • Yet another object of the present invention is to provide a new and improved control system and system control unit, which allows the use either of compressed air or of carbon dioxide gas for insufflation and for irrigation and of compressed air for inflating the sleeve.
  • Fig.l depicts a general view of an endoscopic apparatus employing the control system of the present invention.
  • Fig.2a depicts the control system and system control unit of the present invention.
  • Fig 2b is an enlarged view of a control button.
  • Figs.3a and 3b depict a cross-sectional view of the control button.
  • FIG. 4 shows a top view of a first embodiment of connecting the
  • Fig 5 shows an alternative embodiment of Fig. 4, wherein all inlet and outlet ports are located on a dedicated connection member, which is separate from the cover.
  • Figs 6 and 7 show various configurations of the connecting member.
  • an endoscopic apparatus preferably a colonoscopic apparatus 10
  • the apparatus comprises an endoscope having an insertion tube with its proximal section 12 connected to an operation handle 14 and with its distal section 16 inserted in and protruding from a disposable dispenser 18 in which a disposable inflatable covering sleeve is stored in a folded state before the endoscopic procedure and from which the sleeve feeds out during the endoscopic procedure.
  • An optical head 20 for viewing the interior of the body channel is provided at the distal end of the insertion tube.
  • a disposable inflatable sleeve covers the distal region of the endoscope.
  • This sleeve comprises a frontal non-inflatable portion 22 and a rear folded portion 24.
  • the frontal portion covers the distal section of the endoscope, and does not inflate when the endoscope advances within the colon.
  • the rear portion covers the insertion tube and unfolds from the dispenser when compressed air or other fluid medium inflate the sleeve.
  • the endoscope which can be used with the control system of the present invention, can be of similar type in the sense that it employs the same propelling mechanism, which is based on inflation of the flexible sleeve coupled to the endoscope's distal section. It should be appreciated, however, that the present invention is not limited merely to the colonoscopy field as such or to endoscopes, which are propelled by an inflatable sleeve. It can be employed in any other endoscopic apparatus used for medical procedures requiring insertion of a probe in a body passage for inspection of its interior.
  • Fig.l also depicts an operating handle 14 which is connected by an umbilical cord 26 to a system control unit (SCU) 28, which is deployed on a cart 30.
  • SCU system control unit
  • a flask 32 filled with water, to be supplied under pressure for irrigation of a window for optical lens provided at the disatl end of the optical head.
  • the flask is closed by a detachable cover 34 and is in fluid communication with the SCU and with a sprinkler provided at the distal end of the insertion tube.
  • the sprinkler is designated by reference numeral 36 and is shown in Fig.2.
  • a source of compressed carbon dioxide gas proximate to the cart there is provided a source of compressed carbon dioxide gas.
  • This source can be for example a cylinder 38, which is in fluid communication with the SCU via a line 40 passing through the flask cover.
  • a pressure regulator 42 can be provided in the line 40 for reducing the carbon dioxide pressure to the required level of about 0.5 bar before carbon dioxide enters the SCU.
  • the system control unit of the invention is versatile in the sense that it may use either compressed air or compressed carbon dioxide gas for insufflation of the colon and for irrigation of the window provided at the optical head.
  • the source of this pressure is either compressed air or compressed carbon dioxide.
  • the apparatus is provided with a monitor 44, which is suitable to display images of the body channel viewed by the optical head as well as various information associated with functioning of the control system.
  • the multi-lumen tubing extends through the entire length of the insertion tube, passes the handle and its proximal end 46 is connected to a dedicated connector 48, which is detachably connectable to a lateral port 50 provided on the handle.
  • the connector connects the proximal end of the multi-lumen tubing with so-called multichannel 52 extending along the umbilical cord.
  • the multichannel is fitted with tubes through which fluid media (water, air, carbon dioxide) and vacuum can be supplied from the SCU to the multilumen tubing. This arrangement is disclosed in Bar-On (WO 2005/110200; International application PCT/IL2005/000428). It will be also shown further with reference to Fig.2 that appropriate channels are provided in the multilumen tubing. These channels are in fluid communication with respective tubes of the multichannel.
  • the multichannel and the connector are manufactured from plastic material. It is advantageous if they are cheap, disposable items, which are discarded at the end of the endoscopic procedure after the colonoscope has been evacuated form the body passage. By virtue of this provision, preparation for a new colonoscopic procedure is simple, convenient and fast and it is not associated with spreading of any contamination picked up from the body passage during the previous endoscopic procedure.
  • a preferred embodiment of the fluid control system of the invention is seen.
  • the system has as a main component, i.e. the SCU 28, designated by a dotted line, which schematically delimits the SCU housing.
  • the SCU controls supply of compressed air or carbon dioxide, water and vacuum as required for proper functioning of the colonoscopic apparatus 10.
  • Some external components of the fluid control system namely cylinder 38 of carbon dioxide, flask 32 of water, vacuum pump unit 54 and monitor 44 are also seen, hi practice the flask volume should be sufficient to contain about 300 cc of water.
  • a suitable source of vacuum one could optionally use available hospital equipment capable of producing a vacuum of about -(0.3-0.5bar), preferably -0.4 bar to enable suction from the body passage through the multi-lumen tubing.
  • the vacuum pump should be capable to provide a flow rate of at least 20 liter per minute.
  • a portion of the multi-lumen tubing extending along the operating handle is also seen in Fig.2.
  • the multi-lumen tubing is provided with channels 56, 58 and 60, which are respectively dedicated to supply air (or carbon dioxide), water and vacuum.
  • channels 56, 58 and 60 are respectively dedicated to supply air (or carbon dioxide), water and vacuum.
  • the logic unit comprises a microcontroller. It is not shown specifically, but should be appreciated that appropriate power supply means is also provided within the SCU as required for activation of the valves, pumps, solenoids and energizing the logic unit.
  • a cylinder 38 Externally positioned near the housing of the SCU is a cylinder 38, providing a supply of compressed carbon dioxide at a pressure of about
  • the cylinder is detachably connectable to the cover 32 of the flask
  • a line 70 is provided in the SCU for fluid communication between the SCU and the line 68.
  • the compressed carbon dioxide is supplied to the SCU through line 68 and then through line 70.
  • a first connector 72 and a second connector 74 are provided for fast detachable connecting of the cylinder with the cover and of the cover with the SCU.
  • the logic unit is electrically connected by signal lines 76, 78 to respective control buttons 80, 82 provided at the operating handle.
  • the button 80 enables controlling of suction through channel 60 made in the multi-lumen tubing. This channel functions either as a suction channel
  • the button 82 enables supply of compressed air or compressed carbon dioxide gas to the body passage through a dedicated insufflation channel 56. This button also enables supply of water to the distal end of the endoscope or to the body passage through a dedicated irrigation channel 58 and sprinkler 36.
  • a through going opening 86 is provided in the button 82. This opening can be closed or opened by the doctor's finger 88 during operation of the handle. As will be shown with reference to Fig. 3a and 3b the through going opening is associated with a button mechanism, which resides in the button 82. In Fig.2b the button mechanism is presented schematically.
  • the button mechanism comprises a hollow pin 90, biased by a spring 93, wherein the pin is linearly displaceable with respect to the operating handle when the doctor's finger presses the button.
  • the through going opening 86 extending along the button is in flow communication with a duct 91 provided in the pin 90 and with a lateral duct 92.
  • the opening 86 and the duct 91 is in fluid communication with an insufflation control line 94 through which compressed air or compressed carbon dioxide gas proceeds from the SCU to the operating handle and can be released to the atmosphere through the control button 82 when the opening 86 is open.
  • a micro switch 96 which is actuatable by a shoulder 97, provided laterally at the pin such that the micro switch can close or open a circuit between the signal line 78 and the logic unit 62.
  • the micro switch is actuated when the pin is forcibly displaced by pressing the button.
  • closing and opening of the opening 86 as well as by displacement of the pin 90 one could trigger either the insufflation or the irrigation mode.
  • the opening is closed, but the button is not pressed the insufflation mode is initiated.
  • the irrigation mode is initiated.
  • the components residing within the SCU refer to two main lines for supplying fluid media to the channels of the multilumen.
  • the first line is responsible for insufflation or irrigation and it allows supply of compressed air from the first pump 64, or compressed dioxide gas from cylinder 38 or water from flask 32.
  • the second line is responsible for inflating the sleeve and allows supply of compressed air from the second pump 66.
  • the first pump is preferably controllable by a stepped variation of the voltage supplied thereto so to produce flow of 2-3 1/min at zero pressure or flow of 1.5 1/min at 0.4 bar pressure. These values correspond to those required for insufflation. In other words the pump is deliberately selected in such a manner that its characteristics limit the flow up to certain range and by variation of the voltage supplied to the pump it is possible to vary the flow within the required range.
  • control system further is provided also with a third line for supplying vacuum from the pump 54 to the suction channel 60.
  • the first supply line comprises the first pump 64, an internal supply line 98, a first solenoid valve 100 and an internal supply line 98'.
  • the exit port of the line 98' is in fluid communication with an external channel 102 of the multichannel 52 and is in fluid communication with the insufflation channel 56 via connector 48.
  • the first supply line further comprises a check valve 104 and a safety valve 106 located in series after the first pump.
  • the check valve prevents back flow from the line 98 to the pump .64.
  • the check valve should be selected to create pressure drop of about 0.25 psi. and the safety valve should be selected in order to keep pressure in the system below 0.5 bar.
  • the compressed air produced by the first pump proceeds via an internal supply line 98, then via the solenoid valve 100, via an internal supply line 98' and finally via an external supply line 102 to the insufflation channel 56.
  • the solenoid valve 100 is in electric communication with the logic unit through a signal line 108.
  • the first supply line further comprises a carbon dioxide supply branch 110.
  • This branch is in fluid communication with the line 70 as well as with the internal supply line 98 via a knee 112 and with the insufflation control line 94 via a knee 114.
  • the carbon dioxide supply branch is provided with a first electronic pressure sensor 116 and with the second electronic pressure sensor 118, which are respectively disposed at right and left side of the knee 112. Both pressure sensors are in electric communication with the logic unit by respective signal lines 120, 122.
  • the pressure sensors should be capable to measure pressure in the range of up to 1 bar with accurateness of 1-2%.
  • a check valve 124 is provided in the carbon dioxide supply branch.
  • the check valve is preferably located between the first pressure sensor 116 and the knee 112. The check valve prevents back flow from the
  • the compressed carbon dioxide gas is supplied from cylinder 38 via lines 40, 70 and then through the carbon dioxide branch and knee
  • the first supply line further comprises a second solenoid valve 124, which can be brought in fluid communication with the first solenoid valve 100 via a line 126 and with atmosphere.
  • the second solenoid valve is in electric communication with the logic unit 62 via a signal line 128.
  • the first solenoid valve is in fluid communication with the flask 32 by a line 230.
  • the flask is in fluid communication with the irrigation channel 58 via a channel 232, which is part of the multichannel 52.
  • the valves should be selected in such a manner that they establish a pressure drop of about 1-.5-2 psi, which is sufficient for eliminating the inadvertent activation.
  • the first supply line should provide insufflation flow of about 1-2 1/min, preferably 1.1-1.8 1/min and irrigation flow of about 1-1.5 cc/sec, preferably 1.3 cc/sec.
  • the insufflation flow rate is controllable in accordance with the user's requirements.
  • the second supply line comprises second pump 66, which is in fluid communication via a line 238 with an external channel 240. This channel is in fluid communication with the operating handle 14 and with an inflating channel 242 extending along the insertion tube. Through this channel compressed air is supplied for inflating folded portion 24 of the sleeve.
  • the second supply line further comprises a safety valve 244 and an electronic pressure sensor 246, which is in electric communication with the logic unit 62 via a signal line 248.
  • the second pump should produce flow of compressed air of 8 1/min at zero pressure or flow of 5 1/min at 0.4 bar pressure.
  • the safety valve should limit the pressure in the system under 0.6 bar.
  • a detachable multifunctional connector 250 is provided for connecting the SCU with external lines 94, 240 supplying the fluid media as well as with signal lines 76, 78 .
  • This connector is multifunctional in the sense that it enables not only passing electrical signals between the SCU and the control buttons at the operating handle, but also ensures supplying of compressed air from pumps 64, 66 or compressed carbon dioxide gas from cylinder 38 to the operating handle 14.
  • a branch 252 in the main connector which brings in fluid communication a portion of the channel 240 extending along the connector with a foot pedal 254, which is outside the SCU.
  • the pedal is configured as normally opened switch in the sense that when the pedal is not pressed the compressed air produced by the second pump is released to the atmosphere via line 238, branch 252 and the pedal. Upon pressing the pedal the compressed air proceeds to the external line 240 and then to the handle 14 and to the inflating channel 242.
  • the line for supplying vacuum comprises vacuum pump 54 or any other available source of vacuum and a suction bottle 256, which is detachably connectable with a vacuum supply channel 258.
  • the pinch valve 260 is in electric communication with the logic unit via a signal line 262.
  • the channel 258 is also a part of the multichannel and it is seen in Fig.2 that channels of the multi-lumen tubing are in flow communication with the respective channels of the multichannel by virtue of connector 48 provided at the lateral port 50 of the handle.
  • a common connector 264 without the necessity to connect/disconnect the channels one by one by separate connectors dedicated to each line. This provision renders the set up of the system very simple, convenient and fast. It is not shown specifically, but should be appreciated that, the common connector could be arranged at the flask itself or at its cover.
  • the logic unit is electrically connected by a line 266 with the monitor 44 on which are displayed inter alia current working parameters of the SCU and its mode of operation.
  • the SCU Before activation of any of the desired modes (insufflation, irrigation, suction, inflating) the SCU is turned on and its all relevant components are energized.
  • the SCU When it is required to inflate the sleeve one should press foot pedal 254.
  • a signal is transferred to the logic unit, which, in its turn, generates a control signal that allows compressed air from pump 66 to enter the sleeve via external channel 240, along the handle and then via inflating channel 242 in the insertion tube.
  • the logic unit In order to release the pressure from the sleeve, one should release the foot from the pedal. This releases the compressed air produced by pump 66 to the atmosphere via branch 252 and then via the pedal.
  • control button 80 When suction is required, one should press control button 80. Upon pressing this button, a control signal will be generated by the logic unit to open pinch valve 260 and then vacuum will be allowed to proceed to the body cavity via vacuum supply channel 258 and via suction channel
  • the solenoid valve 100 by default is in the position, in which fluid communication is allowed between the internal supply lines 98 and 98' as well as external supply line 102 and carbon dioxide is allowed to proceed to the insufflation channel 56.
  • the second pressure sensor senses the current pressure of carbon dioxide being supplied for insufflation.
  • the value of the supplied pressure is send by the logic unit to monitor 44, where it is displayed along with a notice that the SCU operates in the insufflation mode.
  • Check valve 104 prevents back flow of air from the SCU.
  • both the insufflation and the irrigation mode can be carried out either by using of compressed carbon dioxide or compressed air.
  • FIG. 4 a first embodiment, in which connection is provided by virtue of an integral cover 34 closing the flask.
  • Fig. 4 depicts a top view of the integral cover. Within the cover are made ducts, terminating by corresponding inlet and outlet ports for fluid communication with the channels, through which fluid medium is supplied to the SCU, from the SCU to the flask and from the cover to the multichannel. So, for example it is seen that the cover is provided with an inlet port 400', which is detachably connectable to the line 40 for supplying compressed carbon dioxide.
  • the inlet port 400' is fluid communication with an outlet port 680, which is connectable to the line 68, through which the compressed carbon dioxide enters the SCU. Furthermore, the cover is provided with an inlet port 980' for connecting to the line 98', through which either compressed air, or compressed carbon dioxide is supplied from the SCU to the insufflation channel of the multichannel and then to multilumen.
  • the inlet port 980' is in fluid communication with an outlet port 1020, which is connectable to the channel 102 of the multichannnel.
  • the multichannel is connectable to the cover by the fast releasable connector 264.
  • the cover is provided further with an inlet port 2300 for supplying compressed air to the bottle via line 230.
  • the cover is provided also with an outlet port 2320 for connecting to the line 232 of the multichannel through which water is supplied to the irrigation channel in the multilumen.
  • check valves can be installed in ports 980' and 2320. Fluid communication between ports 2320, 1020 and the multichannel is enabled by virtue of entering the multichannel in a female part of the connector 264.
  • Fig. 5 is shown an alternative embodiment, in which all inlet and outlet ports are located on a dedicated connection member 268, which is separate from the cover 34.
  • fluid communication with the flask 38 is enabled through tubes 270,272, which are connectable to the connection member through corresponding ports.
  • the connection member is made of plastic, for example by injection molding and is configured as a plate with plurality of ports provided laterally at the upper side of the connection member. Two ports at the lower side of the connection member are provided for connecting with tubes 270, 272. So, for example it is seen that the connecting member is provided with an inlet port 400', which is detachably connectable to the line 40 for supplying compressed carbon dioxide.
  • the inlet port 400' is in fluid communication with an outlet port 680', which is connectable to the line 68, through which the compressed carbon dioxide enters the SCU. Furthermore, the connection member is provided with an inlet port 980" for connecting to the line 98', through which either compressed air, or compressed carbon dioxide is supplied from the SCU to the insufflation channel of the multichannel and then to multilumen.
  • the inlet port 98" is in fluid communication with an outlet port 1020', which is connectable to the channel 102 of the multichannnel.
  • the multichannel is connectable to the appropriated ports of the connector by insertion in the female part 2640 of the fast releasable connector 264.
  • the connecting member has an inlet port 2300' for connecting to the tube 270 for supplying compressed air to the bottle.
  • the connecting member is provided also with an outlet port 2320' for connecting to the tube 272 for sypplying water from the flask to the multichannel and then to the irrigation channel in the multilumen.
  • check valves can be installed in ports 980" and 2320'.
  • FIGs. 6 and 7 there are shown various configurations of the connecting member.
  • the same reference numerals designate similar ports, hi these embodiments the tubes 270, 272 are in fluid communication with the connecting member not via two separate ports, which are remote from each other but through a combined port 274 suitable for tube in tube disposition.

Landscapes

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

Abstract

L'invention concerne un système de contrôle polyvalent permettant l'approvisionnement d'un milieu fluide à un appareil endoscopique. Le système de contrôle comprend : une unité de contrôle (28) du système munie d'une source d'un premier milieu fluide (64, 66, 100), d'une source d'un deuxième milieu fluide (38), d'une source d'un troisième milieu fluide (32), d'une source de vide (54) et d'un raccord libérable (250) réalisant la communication fluide et électrique entre une poignée de commande et l'unité de contrôle du système.
PCT/IL2007/000438 2007-04-10 2007-04-10 Système de contrôle polyvalent permettant l'approvisionnement d'un milieu fluide à un endoscope WO2008122969A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IL2007/000438 WO2008122969A1 (fr) 2007-04-10 2007-04-10 Système de contrôle polyvalent permettant l'approvisionnement d'un milieu fluide à un endoscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IL2007/000438 WO2008122969A1 (fr) 2007-04-10 2007-04-10 Système de contrôle polyvalent permettant l'approvisionnement d'un milieu fluide à un endoscope

Publications (1)

Publication Number Publication Date
WO2008122969A1 true WO2008122969A1 (fr) 2008-10-16

Family

ID=38724385

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2007/000438 WO2008122969A1 (fr) 2007-04-10 2007-04-10 Système de contrôle polyvalent permettant l'approvisionnement d'un milieu fluide à un endoscope

Country Status (1)

Country Link
WO (1) WO2008122969A1 (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8790244B2 (en) 2008-04-16 2014-07-29 Bracco Diagnostics Inc. Gas water bottle adaptor
WO2014177822A1 (fr) * 2013-04-30 2014-11-06 Meditech Endoscopy Limited Récipient
EP2932995A1 (fr) * 2014-03-21 2015-10-21 Storz Endoskop Produktions GmbH Système d'insufflation
US9622647B2 (en) 2009-09-14 2017-04-18 United States Endoscopy Group, Inc. In-line gas adaptor for endoscopic apparatus
US10456014B2 (en) 2012-03-30 2019-10-29 United States Endoscopy Group, Inc. Water bottle cap assemblies for an endoscopic device
WO2020079417A1 (fr) * 2018-10-15 2020-04-23 Meditech Endoscopy Ltd Module de conduite de fluide destiné à être fixé à un endoscope
US10966593B2 (en) 2009-08-31 2021-04-06 United States Endoscopy Group, Inc. In-line gas adaptor for endoscopic apparatus
US11937778B2 (en) 2022-04-27 2024-03-26 Neptune Medical Inc. Apparatuses and methods for determining if an endoscope is contaminated
US11944277B2 (en) 2016-08-18 2024-04-02 Neptune Medical Inc. Device and method for enhanced visualization of the small intestine
US12059128B2 (en) 2018-05-31 2024-08-13 Neptune Medical Inc. Device and method for enhanced visualization of the small intestine
US12082776B2 (en) 2015-09-03 2024-09-10 Neptune Medical Inc. Methods for advancing a device through a gastrointestinal tract
US12121677B2 (en) 2021-01-29 2024-10-22 Neptune Medical Inc. Devices and methods to prevent inadvertent motion of dynamically rigidizing apparatuses
US12193637B2 (en) 2019-04-17 2025-01-14 Neptune Medical Inc. External working channels
US12285571B2 (en) 2018-07-19 2025-04-29 Neptune Medical Inc. Methods of performing vascular procedures using a rigidizing device
US12295550B2 (en) 2017-07-20 2025-05-13 Neptune Medical Inc. Dynamically rigidizing overtube
US12311122B2 (en) 2024-08-20 2025-05-27 Neptune Medical Inc. Rigidizing overtube with hemostasis valve

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800869A (en) * 1987-02-13 1989-01-31 Olympus Optical Co. Ltd. Endoscope
US5301061A (en) * 1989-07-27 1994-04-05 Olympus Optical Co., Ltd. Endoscope system
US6485409B1 (en) 1999-01-29 2002-11-26 Sightline Technologies Ltd. Propulsion of a probe in the colon using a flexible sleeve
WO2004016299A2 (fr) 2002-08-15 2004-02-26 Sightline Technologies Ltd. Distributeur formant manchon pour endoscope
WO2005110200A1 (fr) 2004-05-13 2005-11-24 Stryker Gi Ltd. Raccord pour tubulure a passages multiples
US20060030751A1 (en) * 2004-08-04 2006-02-09 Olympus Corporation Endoscopic system equipped with gas supply apparatus
US20060241348A1 (en) * 2005-03-31 2006-10-26 Fujinon Corporation Endoscope
US20070027359A1 (en) * 2005-07-28 2007-02-01 Stryker Gi Ltd. Improved Control System for Supplying Fluid Medium to Endoscope

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800869A (en) * 1987-02-13 1989-01-31 Olympus Optical Co. Ltd. Endoscope
US5301061A (en) * 1989-07-27 1994-04-05 Olympus Optical Co., Ltd. Endoscope system
US6485409B1 (en) 1999-01-29 2002-11-26 Sightline Technologies Ltd. Propulsion of a probe in the colon using a flexible sleeve
WO2004016299A2 (fr) 2002-08-15 2004-02-26 Sightline Technologies Ltd. Distributeur formant manchon pour endoscope
WO2005110200A1 (fr) 2004-05-13 2005-11-24 Stryker Gi Ltd. Raccord pour tubulure a passages multiples
US20060030751A1 (en) * 2004-08-04 2006-02-09 Olympus Corporation Endoscopic system equipped with gas supply apparatus
US20060241348A1 (en) * 2005-03-31 2006-10-26 Fujinon Corporation Endoscope
US20070027359A1 (en) * 2005-07-28 2007-02-01 Stryker Gi Ltd. Improved Control System for Supplying Fluid Medium to Endoscope

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BRETTHAUER M ET AL: "NORCCAP (Norwegian colorectal cancer prevention): A randomised trial to assess the safety and efficacy of carbon dioxide versus air insufflation in colonoscopy", GUT, BRITISH MEDICAL ASSOCIATION, LONDON,, GB, vol. 50, no. 5, May 2002 (2002-05-01), pages 604 - 607, XP008086102, ISSN: 0017-5749 *

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9049984B2 (en) 2008-04-16 2015-06-09 Bracco Diagnostics Inc. Gas water bottle adaptor
US8790244B2 (en) 2008-04-16 2014-07-29 Bracco Diagnostics Inc. Gas water bottle adaptor
US9907454B2 (en) 2008-04-16 2018-03-06 United States Endoscopy Group, Inc. Gas water bottle adaptor
US10966593B2 (en) 2009-08-31 2021-04-06 United States Endoscopy Group, Inc. In-line gas adaptor for endoscopic apparatus
US10548463B2 (en) 2009-09-14 2020-02-04 United States Endoscopy Group, Inc. In-line gas adaptor for endoscopic apparatus
US9622647B2 (en) 2009-09-14 2017-04-18 United States Endoscopy Group, Inc. In-line gas adaptor for endoscopic apparatus
US10456014B2 (en) 2012-03-30 2019-10-29 United States Endoscopy Group, Inc. Water bottle cap assemblies for an endoscopic device
WO2014177822A1 (fr) * 2013-04-30 2014-11-06 Meditech Endoscopy Limited Récipient
CN105163641A (zh) * 2013-04-30 2015-12-16 美迪泰克内镜检查有限公司 容器
US10357148B2 (en) 2013-04-30 2019-07-23 Meditech Endoscopy Limited Container
US9889262B2 (en) 2014-03-21 2018-02-13 Storz Endoskop Produktions Gmbh Insufflation system and method for operating the insufflation system
EP2932995A1 (fr) * 2014-03-21 2015-10-21 Storz Endoskop Produktions GmbH Système d'insufflation
US12082776B2 (en) 2015-09-03 2024-09-10 Neptune Medical Inc. Methods for advancing a device through a gastrointestinal tract
US11944277B2 (en) 2016-08-18 2024-04-02 Neptune Medical Inc. Device and method for enhanced visualization of the small intestine
US12295550B2 (en) 2017-07-20 2025-05-13 Neptune Medical Inc. Dynamically rigidizing overtube
US12059128B2 (en) 2018-05-31 2024-08-13 Neptune Medical Inc. Device and method for enhanced visualization of the small intestine
US12285571B2 (en) 2018-07-19 2025-04-29 Neptune Medical Inc. Methods of performing vascular procedures using a rigidizing device
US12193649B2 (en) 2018-10-15 2025-01-14 Meditech Endoscopy Ltd Fluid conduit module for attachment to an endoscope
WO2020079417A1 (fr) * 2018-10-15 2020-04-23 Meditech Endoscopy Ltd Module de conduite de fluide destiné à être fixé à un endoscope
US12193637B2 (en) 2019-04-17 2025-01-14 Neptune Medical Inc. External working channels
US12121677B2 (en) 2021-01-29 2024-10-22 Neptune Medical Inc. Devices and methods to prevent inadvertent motion of dynamically rigidizing apparatuses
US12102289B2 (en) 2022-04-27 2024-10-01 Neptune Medical Inc. Methods of attaching a rigidizing sheath to an endoscope
US11937778B2 (en) 2022-04-27 2024-03-26 Neptune Medical Inc. Apparatuses and methods for determining if an endoscope is contaminated
US12311122B2 (en) 2024-08-20 2025-05-27 Neptune Medical Inc. Rigidizing overtube with hemostasis valve

Similar Documents

Publication Publication Date Title
US8152716B2 (en) Versatile control system for supplying fluid medium to endoscope
WO2008122969A1 (fr) Système de contrôle polyvalent permettant l'approvisionnement d'un milieu fluide à un endoscope
US7824329B2 (en) Control system for supplying fluid medium to endoscope
US20070027359A1 (en) Improved Control System for Supplying Fluid Medium to Endoscope
US20070179432A1 (en) Endoscopic Apparatus Provided With Pressure Relief Arrangement
US20070043262A1 (en) Fluid supply for endoscope
JP4149987B2 (ja) 内視鏡装置
EP2016914B1 (fr) Appareil endoscope comprenant un endoscope et un dispositif d'assistance d'insertion
JP4526313B2 (ja) 送気システム
US20060183974A1 (en) Endoscope With Improved Maneuverability
WO2016040451A1 (fr) Capsule endoscopique introduite par hydro-jet et méthodes de dépistage d'un cancer de l'estomac faisant appel à des réglages à faibles ressources
JP2007536977A (ja) 膨張可能な推進スリーブが備え付けられた内視鏡装置
JP2007268147A (ja) 医療装置
US20060252989A1 (en) Endoscopic apparatus provided with inflatable propelling sleeve
JP4727224B2 (ja) 送気装置
JP4885444B2 (ja) 送気装置
CN218922539U (zh) 一种部分可重复性使用的内窥镜

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: 07736178

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 3.2.2010)

122 Ep: pct application non-entry in european phase

Ref document number: 07736178

Country of ref document: EP

Kind code of ref document: A1

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载