WO2010041629A1 - Bloodstream detecting device - Google Patents

Bloodstream detecting device Download PDF

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Publication number
WO2010041629A1
WO2010041629A1 PCT/JP2009/067348 JP2009067348W WO2010041629A1 WO 2010041629 A1 WO2010041629 A1 WO 2010041629A1 JP 2009067348 W JP2009067348 W JP 2009067348W WO 2010041629 A1 WO2010041629 A1 WO 2010041629A1
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WO
WIPO (PCT)
Prior art keywords
blood flow
information
living body
unit
detection device
Prior art date
Application number
PCT/JP2009/067348
Other languages
French (fr)
Japanese (ja)
Inventor
浩仲 宮木
新一 蔦木
俊広 静
篤 大澤
Original Assignee
オリンパスメディカルシステムズ株式会社
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Application filed by オリンパスメディカルシステムズ株式会社 filed Critical オリンパスメディカルシステムズ株式会社
Publication of WO2010041629A1 publication Critical patent/WO2010041629A1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06—Measuring blood flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/378—Surgical systems with images on a monitor during operation using ultrasound
    • A61B2090/3782—Surgical systems with images on a monitor during operation using ultrasound transmitter or receiver in catheter or minimal invasive instrument
    • A61B2090/3784—Surgical systems with images on a monitor during operation using ultrasound transmitter or receiver in catheter or minimal invasive instrument both receiver and transmitter being in the instrument or receiver being also transmitter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06—Measuring instruments not otherwise provided for

Definitions

  • the present invention relates to a blood flow detection device that detects blood flow in a living body by transmitting and receiving ultrasonic waves to the living body using an ultrasonic transducer.
  • a pulse Doppler method using ultrasonic waves is used as a method for measuring the start of blood flow during thrombus treatment.
  • a surgical treatment when a surgical treatment is performed on a living body with a treatment tool such as a scalpel, the treatment is preferably performed while avoiding blood vessels in the living body.
  • a treatment tool such as a scalpel
  • an ultrasonic diagnostic apparatus that captures an ultrasonic tomographic image of the living body may be used.
  • the present invention has been made in view of the above problems, and a blood flow detection device capable of easily specifying a site with less bleeding when performing treatment on a living body without using an ultrasonic diagnostic apparatus
  • the purpose is to provide.
  • the blood flow detection device includes an ultrasonic transducer, and a probe unit configured to be able to transmit and receive ultrasonic waves to a living body, and by transmitting and receiving ultrasonic waves to and from the living body using the ultrasonic transducer,
  • a blood flow information calculation unit for calculating blood flow information including at least one of a blood flow speed, a blood flow power value, a blood flow volume, and a depth of a region where the blood flow exists, and a change in the blood flow information Is provided as a change in at least one of auditory information, visual information, and tactile information, and is notified to the user.
  • the scale is different for each component in order to make each component large enough to be recognized on the drawing. It is not limited only to the quantity of the component described in the figure, the shape of the component, the ratio of the size of the component, and the relative positional relationship of each component.
  • the blood flow detection device 1 includes an ultrasonic transducer 3 for transmitting and receiving ultrasonic waves, a probe unit 2 including an ultrasonic transducer and configured to transmit and receive ultrasonic waves to a living body, a control unit 10, It comprises.
  • the ultrasonic transducer 3 is disposed in the ultrasonic transmission / reception unit 2 a of the probe unit 2. The operation of the ultrasonic transducer 3 is controlled by the control unit 10 described later.
  • the configuration of the ultrasonic transducer 3 is not particularly limited, for example, a configuration including a piezoelectric element such as piezoelectric ceramics or an electrostrictive element, or a configuration including a capacitive speaker and a capacitive microphone may be considered. It is done.
  • the control unit 10 includes a control circuit unit 13, an ultrasonic transmission / reception circuit unit 11, a blood flow information calculation unit 12, and an information notification unit 20. Further, the control unit 10 is provided with a power supply circuit unit (not shown) that supplies power from an external power supply or a built-in power supply battery to each unit of the blood flow detection device 1.
  • the control circuit unit 13 controls the operation of each circuit in the control unit 10 in response to an instruction input from a user or an external device or automatically.
  • the ultrasonic transmission / reception circuit unit 11 is electrically connected to the ultrasonic transducer 3 provided in the ultrasonic transmission / reception unit 2a.
  • the ultrasonic transmission / reception circuit unit 11 controls transmission of pulsed ultrasonic waves from the ultrasonic transducer 3 into the living body and also controls reception of ultrasonic waves reflected in the living body.
  • the transmission / reception of the ultrasonic wave to the living body by the ultrasonic transducer 3 is not only in a state where the ultrasonic transmission / reception unit 2a is in direct contact with the living body, but also between the ultrasonic transmission / reception unit 2a and the living body such as a fluid or a gel. This is also possible in a state where an ultrasonic transmission medium is arranged.
  • the blood flow information calculation unit 12 is a variable indicating the state of blood flow in the ultrasound transmission / reception region of the living body based on the frequency shift due to the Doppler effect of the ultrasound transmitted / received from the ultrasound transducer 3 to the living body. Calculate some blood flow information. In addition, the calculation of blood flow information by the blood flow information calculation unit 12 is performed in real time.
  • the blood flow information calculation unit 12 calculates the blood flow velocity at a plurality of locations in the depth direction in the ultrasound transmission / reception region of the living body by a so-called pulse Doppler method. Then, the blood flow information calculation unit 12 outputs the maximum value of the calculated blood flow velocities (absolute values) at a plurality of locations to the information notification unit 20 as blood flow information.
  • the information notification unit 20 outputs and notifies information corresponding to the blood flow information to the user.
  • the information notification unit 20 includes an auditory information generation unit 21 and a speaker 22.
  • the information notification unit 20 converts a change in blood flow information into auditory information called a change in sound in the auditory information generation unit 21, and outputs the auditory information from the speaker 22 to notify the user.
  • the auditory information corresponding to the blood flow information output from the speaker 22 refers to at least one of a change in frequency, a change in volume, and a change in intermittent cycle of sound.
  • the greater the maximum value the shorter the intermittent cycle of the sound.
  • a plurality of types of changes in sound may be combined, such as changing the volume of sound emitted from the speaker 22 in accordance with blood flow information.
  • a threshold for blood flow information is set such that the blood flow information does not change when the blood flow information is within a certain range.
  • the used filtering process may be performed. For example, when the blood flow information is smaller than a threshold value, a form in which no sound is generated from the speaker 22 or no change is generated in the sound emitted from the speaker 22 can be considered.
  • the user can change the velocity of the blood flow inside the site where the ultrasonic wave transmitting / receiving unit 2a of the probe unit 2 of the living body is brought into contact with a change in auditory information. You can know the size of. That is, by using the blood flow detection device 1 of the present embodiment, the user can specify a portion with less bleeding when performing treatment on a living body without using an ultrasonic observation device.
  • the blood flow information calculation unit 12 is configured to calculate the blood flow velocity in the ultrasound transmission / reception region of the living body as the blood flow information, but the blood calculated by the blood flow information calculation unit 12
  • the form of flow information is not limited to this. Below, the modification of this embodiment mentioned above is demonstrated.
  • the blood flow information may be a power value indicating the intensity of blood flow in the ultrasound transmission / reception region of the living body.
  • the blood flow information calculation unit 12 is based on the ultrasonic information transmitted / received to / from the living body from the ultrasonic transducer 3, and the depth direction in the ultrasonic transmitting / receiving area of the living body.
  • the blood flow power value at a plurality of locations is calculated.
  • the blood flow information calculation unit 12 outputs the maximum value of the calculated blood flow power values at a plurality of locations to the information notification unit 20 as blood flow information.
  • the information notification unit 20 converts the blood flow information, that is, the change in the maximum value of the blood flow power value into auditory information called a sound change in the auditory information generation unit 21, and outputs the auditory information from the speaker 22. To notify the user.
  • the user can bleed when performing treatment on the living body. A few locations can be identified without using an ultrasonic observation apparatus.
  • the blood flow information may be a blood flow existing volume in the ultrasound transmission / reception region of the living body.
  • the blood flow information calculation unit 12 is based on the ultrasonic information transmitted / received to / from the living body from the ultrasonic transducer 3 and the blood existing in the ultrasonic transmitting / receiving area of the living body. Calculate the existing volume of the flow.
  • the blood flow presence volume is calculated by integrating a region where the absolute value of the blood flow velocity or the power value of the blood flow is equal to or greater than a predetermined value in the ultrasonic transmission / reception region.
  • the blood flow information calculation unit 12 outputs the calculated value of the existing blood flow volume to the information notification unit 20 as blood flow information.
  • the information notification unit 20 converts the blood flow information, that is, the change in the existing volume of the blood flow into auditory information called a sound change in the auditory information generation unit 21, and outputs the auditory information from the speaker 22 to the user. Notify
  • the user can also use the blood flow detection device 1 according to this modification. It is possible to identify a portion with less bleeding when a treatment is performed on a living body without using an ultrasonic observation apparatus.
  • the blood flow information may be the depth of a region where blood flow exists in the ultrasound transmission / reception region of the living body.
  • the blood flow information calculation unit 12 is based on the ultrasonic information transmitted / received to / from the living body from the ultrasonic transducer 3 and the blood existing in the ultrasonic transmitting / receiving area of the living body. Calculate the depth of the region where the flow exists.
  • the depth of the region where the blood flow exists is determined from the ultrasonic transducer 3 in the region where the absolute value of the blood flow velocity or the power value of the blood flow is equal to or greater than a predetermined value in the ultrasonic transmission / reception region. Is the distance.
  • the blood flow information calculation unit 12 outputs the calculated depth value of the region where the blood flow exists to the information notification unit 20 as blood flow information.
  • the information notification unit 20 converts the blood flow information, that is, the change in the depth of the region where the blood flow exists, into auditory information called a sound change in the auditory information generation unit 21, and outputs the auditory information from the speaker 22. And notify the user.
  • the user can know the depth of the region where the blood flow exists, and even by using the blood flow detection device 1 of this modification, the user can It is possible to identify a portion with less bleeding when a treatment is performed on a living body without using an ultrasonic observation apparatus.
  • the blood flow information is described as being constituted by one value, but the blood flow information is constituted by a plurality of variables. It may be a thing. That is, the blood flow information includes two or more of a blood flow speed, a blood flow power value, a blood flow existing volume, and a blood flow depth in the living body ultrasound transmission / reception region. It may be a combination of variables.
  • the blood flow information calculation unit 12 is based on the ultrasonic information transmitted / received to / from the living body from the ultrasonic transducer 3, and the depth direction in the ultrasonic transmitting / receiving area of the living body. The maximum value of the blood flow velocity at a plurality of locations is calculated. Then, the blood flow information calculation unit 12 outputs the maximum value of the blood flow velocity in the transmission / reception region and the depth of the portion where the blood flow velocity is maximum to the information notification unit 20 as blood flow information.
  • the information notification unit 20 converts the blood flow information, that is, the change in the depth of the portion where the blood flow velocity has the maximum value and the blood flow velocity to the auditory information as a sound change in the auditory information generation unit 21.
  • the auditory information is output from the speaker 22 and notified to the user.
  • the information notification unit 20 changes the frequency of the sound output from the speaker 22 according to the change in the maximum value of the blood flow velocity, and changes the depth of the portion where the blood flow velocity is maximum. Accordingly, the intermittent period of the sound output from the speaker 22 is changed.
  • the user can know the depth of the region where the blood flow exists and the speed of the blood flow, and even using the blood flow detection device 1 of the present modification, The user can specify a portion with less bleeding when performing treatment on a living body without using an ultrasonic observation apparatus.
  • the blood flow detection device 1 transmits and receives ultrasonic waves into the living body, and the Doppler effect of the ultrasonic waves.
  • the blood flow velocity, the blood flow power value, the blood flow existence volume, and the depth of the region where the blood flow exists are calculated as blood flow information.
  • the blood-flow detection apparatus 1 which concerns on this invention is a change of the blood-flow information in the information notification part 20, the change of the frequency of the sound output from the speaker 22, the change of a volume, and the change of the period of intermittent sound, Is output as a change in auditory information consisting of at least one of the above and notified to the user.
  • the second embodiment of the present invention will be described below.
  • the second embodiment shows an example of another form of the information notification unit.
  • the second embodiment differs from the first embodiment described above only in the configuration of the information notification unit. Therefore, only this difference will be described below, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
  • the information notification unit 20a in this embodiment includes a visual information generation unit 21a and a display device 22a.
  • the information notification unit 20a converts the change in blood flow information input from the blood flow information calculation unit 12 into visual information in the visual information generation unit 21a, and outputs the visual information from the display device 22a. Notify the user.
  • the form of the display device 22a for visually notifying the user of changes in blood flow information is not particularly limited.
  • the display device 22a includes a pointer-type meter, a multi-segment display device, a dot A display device capable of multi-value display of two or more values, such as a matrix type monochrome or color image display device and a light emitting device capable of changing the frequency (color) of the emitted light, can be considered.
  • the blood flow information is obtained from at least one of the blood flow velocity, the blood flow power value, the blood flow existence volume, and the depth of the region where the blood flow exists. Become.
  • the blood flow information input from the blood flow information calculation unit 12 is the maximum value of the blood flow velocity
  • the display device 22a changes the frequency (color) of the emitted light from green to yellow.
  • the light emitting device is configured and configured.
  • the larger the maximum value of the blood flow velocity the more the information notification unit 20a moves the center frequency of the emitted light of the display device 22a to the yellow side, and the smaller the maximum blood flow velocity value, the more the center of the emitted light. Move the frequency to the green side.
  • the blood flow information includes blood flow velocity, blood flow power value, blood flow existence volume, and blood flow in the ultrasound transmission / reception region in the living body.
  • the information notification unit 20a may notify the user of each of the plurality of variables as visual information.
  • the display device 22a includes a light emitting device capable of changing the frequency (color) of emitted light between green and yellow as described above, the change in the maximum value of the blood flow velocity is changed. Is output as a change in the center frequency of the emitted light, and a change in the depth of the region where the blood flow exists is output as a change in the intermittent period of the emitted light.
  • the information notification unit 20a may be configured to include a plurality of display devices 22a for displaying the state of change of each variable according to the number of variables constituting the blood flow information.
  • the user can obtain blood flow information inside the portion where the ultrasound transmitting / receiving unit 2a of the living body probe unit 2 is in contact with a change in visual information. I can know. That is, by using the blood flow detection device 1 of the present embodiment, the user can specify a portion with less bleeding when performing treatment on a living body without using an ultrasonic observation device.
  • the form provided in the probe part 2 may be sufficient as the display apparatus 22a.
  • the display unit 22a formed of a light emitting device such as an LED is disposed in the vicinity of the ultrasonic transmission / reception unit 2a, the amount of movement of the user's line of sight can be reduced.
  • the third embodiment of the present invention will be described below.
  • the third embodiment shows an example of another form of the information notification unit.
  • the third embodiment is different from the first embodiment described above only in the configuration of the information notification unit. Therefore, only this difference will be described below, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
  • the information notification unit 20b in the present embodiment includes a tactile information generation unit 21b and an actuator 22b.
  • the information notification unit 20b converts the change in blood flow information input from the blood flow information calculation unit 12 into tactile information in the tactile information generation unit 21a, and outputs the tactile information from the actuator 22b for use.
  • the person in charge is the case where the blood flow information calculation unit 12 is calculated into tactile information in the tactile information generation unit 21a.
  • the form of the actuator 22b for notifying the user of a change in blood flow information as a change in tactile sensation is not particularly limited.
  • the actuator 22b may be a vibrator capable of generating vibrations or the user's skin.
  • An apparatus or the like that can apply a pressure to the gas can be considered.
  • the blood flow information is obtained from at least one of the blood flow velocity, the blood flow power value, the blood flow existence volume, and the depth of the region where the blood flow exists. Become.
  • the blood flow information input from the blood flow information calculation unit 12 is the maximum value of the blood flow velocity and the actuator 22b includes a vibrator that can generate vibration.
  • the actuator 22b made of a vibrator is disposed on a member that contacts the operator, such as a grip portion 2b that is gripped by the operator of the probe unit 2 or a wristband that is worn by the operator.
  • the information notification unit 20b shortens the period of vibration generated by the actuator 22b as the maximum value of the blood flow speed increases, and the period of vibration generated by the actuator 22b increases as the maximum value of the blood flow speed decreases. To do.
  • the blood flow information includes blood flow velocity, blood flow power value, blood flow existence volume, and blood flow in the ultrasound transmission / reception region in the living body.
  • the information notification unit 20b may be configured to notify the user of each of the plurality of variables as tactile information.
  • the actuator 22b is configured to include a vibrator as described above
  • the change in the maximum value of the blood flow velocity is output as the change in the vibration cycle, and the change in the depth of the region where the blood flow exists.
  • a mode of outputting as a change in the period of intermittent vibration (ON / OFF of the operation of the vibrator) is conceivable.
  • the information notification unit 20b may be configured to include a plurality of actuators 22b for displaying changes in each variable according to the number of variables constituting the blood flow information.
  • the user can obtain blood flow information inside the part where the ultrasonic wave transmitting / receiving unit 2a of the living body probe unit 2 is in contact with a change in tactile information. I can know. That is, by using the blood flow detection device 1 of the present embodiment, the user can specify a portion with less bleeding when performing treatment on a living body without using an ultrasonic observation device.
  • the information notification unit is described as a mode for notifying the user of changes in blood flow information using auditory information, visual information, or tactile information.
  • the form for notifying the change of the flow information may be configured by a combination of two or more of auditory information, visual information, and tactile information.
  • the fourth embodiment shows an example of another form of the information notification unit.
  • the fourth embodiment differs from the first to third embodiments described above only in the configuration of the information notification unit. Therefore, only this difference will be described below, and the same components as those in the first to third embodiments are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
  • the information notification unit 20c in the present embodiment includes a hearing information generation unit 21 and a speaker 22, and outputs a change in blood flow information as a change in auditory information, a visual information generation unit 21a, and a display. And a device configured to output a change in blood flow information as a change in visual information.
  • the user can reliably and without being affected by changes in the environment around the user due to changes in the two information of auditory information and visual information. It is possible to know blood flow information inside the portion of the living body probe unit 2 where the ultrasonic transmission / reception unit 2a is in contact.
  • the fifth embodiment of the present invention will be described below.
  • the fifth embodiment shows another form of the ultrasonic transducer 3.
  • the fifth embodiment differs from the first embodiment described above only in the configuration of the ultrasonic transducer. Therefore, only this difference will be described below, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
  • the ultrasonic transducer 3a of the present embodiment includes a plurality of ultrasonic transducers. Specifically, as shown in FIG. 6, the ultrasonic transducer 3a includes a diffusion type ultrasonic transducer 3b and a converging type ultrasonic transducer 3c provided around the ultrasonic transducer 3b.
  • the difference between the diffusion-type ultrasonic transducer 3b and the convergence-type ultrasonic transducer 3c is the degree of convergence of the ultrasonic waves transmitted by each.
  • the diffusion ultrasonic transducer 3b can transmit ultrasonic waves in a wider range than the convergent ultrasonic transducer 3c.
  • the ultrasonic transmission / reception circuit unit 11 disposed in the control unit 10 can selectively drive the diffusion type ultrasonic transducer 3b and the convergence type ultrasonic transducer 3c or drive them simultaneously. .
  • the user first operates the ultrasonic transducer 3a so as to be able to transmit ultrasonic waves over a wide range, thereby grasping the rough position of the place where blood flow in the living body exists, Thereafter, by operating the ultrasonic transducer 3a so that the ultrasonic waves can be converged and transmitted, the position where the blood flow exists can be quickly and accurately specified.
  • 6th Embodiment shows another form of the probe part 2 by which the ultrasonic transducer 3 is arrange
  • the probe unit 2 is described as a single unit.
  • the probe unit 2 may be configured as a part of a treatment tool for performing treatment on a living body.
  • the sixth embodiment differs from the above-described embodiment only in the configuration of the probe unit. Therefore, only this difference will be described below, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
  • the probe unit 2 of the present embodiment is provided at the distal end portion 31 of the treatment instrument 30.
  • the form of the treatment tool 30 of this embodiment is not specifically limited, forceps, a puncture needle, a knife, a trocar, etc. may be applied.
  • the treatment tool 30 is a forceps having a double-opening tip 31 as shown in FIG.
  • the treatment instrument 30 shown in FIG. 7 at least a part of the distal end portion 31 of the forceps is configured as the probe portion 2.
  • the user specifies a portion where there is little bleeding of the living body using the treatment tool 30 immediately before using the treatment tool 30. This makes it possible to perform treatment more quickly.
  • the probe part 2 may be provided not only in a treatment tool but in the insertion part of an endoscope.
  • the seventh embodiment of the present invention will be described below.
  • 7th Embodiment shows another form of the probe part 2 by which the ultrasonic transducer 3 is arrange
  • the seventh embodiment differs from the above-described embodiment only in the configuration of the probe unit. Therefore, only this difference will be described below, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
  • the probe portion 2 of the present embodiment is provided at a portion of the distal end portion 41 of the cylindrical sheath 40 that accommodates the treatment instrument 42 that can contact the living body.
  • the form of the treatment instrument 42 and the sheath 40 covering the treatment instrument 42 of the present embodiment is not particularly limited. For example, a forceps, a puncture needle, A scalpel or the like can be applied.
  • the treatment instrument 42 is a knife configured to be able to project and retract from the cylindrical sheath 40 as shown in FIG.
  • the treatment instrument 42 is a knife configured to be able to project and retract from the cylindrical sheath 40 as shown in FIG.
  • at least a part of the distal end portion 41 of the sheath 40 is configured as the probe portion 2.
  • the user accommodates the treatment instrument 42 immediately before using the treatment instrument 42.
  • the sheath 40 it is possible to identify a portion of the living body where there is little bleeding, and it is possible to perform treatment more quickly.
  • the eighth embodiment of the present invention will be described below.
  • the eighth embodiment shows another form of the probe unit 2 in which the ultrasonic transducer 3 is disposed.
  • the eighth embodiment differs from the above-described embodiment only in the configuration of the probe unit. Therefore, only this difference will be described below, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
  • the probe unit 2 of the present embodiment can be inserted into a conduit 51 provided in an insertion portion of an endoscope 50 that can be introduced into a living body, and It is configured to be able to protrude into the living body from the distal end side opening.
  • the form of the endoscope 50 is not particularly limited, and is not limited to an endoscope having a flexible insertion section, and may be a rigid endoscope.
  • the probe unit 2 configured to be able to project and retract into the living body via the conduit 51 provided in the endoscope 50, the user can perform treatment using the endoscope 50 in the living body. Can be performed without using an ultrasonic observation apparatus.
  • the ninth embodiment of the present invention will be described below.
  • the ninth embodiment shows another form of the blood flow detection device 1 of the eighth embodiment.
  • the ninth embodiment is mainly different from the above-described eighth embodiment in the configuration of the control unit 10. Therefore, only this difference will be described below, and the same components as those in the eighth embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
  • the endoscope 50 includes an imaging device 52 that electronically images the inside of a living body, and an in-vivo optical image is generated by an endoscope image generating unit 53 to generate an image. It is displayed on the display device 24.
  • the probe portion 2 can be inserted into a conduit 51 provided in an insertion portion of an endoscope 50 that can be introduced into a living body, as in the eighth embodiment, and the distal end of the conduit 51 It is configured to be able to protrude into the living body from the side opening.
  • the information notification unit 20d of the control unit 10 includes a visual information generation unit 21d and a synthesis circuit unit 23.
  • the visual information generation unit 21 d converts the change in blood flow information input from the blood flow information calculation unit 12 into visual information that can be displayed on the image display device 24, and outputs the visual information to the synthesis circuit unit 23.
  • the synthesizing circuit unit 23 synthesizes blood flow information output from the visual information generating unit 21d with the in-vivo optical image captured by the endoscope 50 and output from the endoscopic image generating unit 53, and is an image display device. 24.
  • blood flow information notified to the user by the blood flow detection device 1 is displayed as visual information on the same display screen as the optical image obtained by the endoscope 50.
  • the display form for visually notifying the user of a change in blood flow information in the image display device 24 is not particularly limited.
  • a bar graph shape whose length changes according to a change in blood flow information is used.
  • a form in which the color changes in accordance with changes in blood flow information is used.
  • FIG. 12 An example of the display form of blood flow information on the image display device 24 will be described with reference to FIG.
  • the optical image 60 captured by the imaging device 52 of the endoscope 50 is displayed on the display unit 24 a of the image display device 24.
  • a bar graph 61 whose vertical length changes in accordance with changes in blood flow information is displayed.
  • the color of the background image 62 changes according to the change in blood flow information.
  • the bar graph 61 extends upward as the blood flow velocity maximum value increases.
  • the background image 62 can change in color between green and yellow, and the color changes to the yellow side as the maximum value of the blood flow speed increases, and the maximum value of the blood flow speed increases. The smaller the is, the more it changes to the green side.
  • the user can detect the ultrasonic waves of the probe unit 2.
  • the treatment is performed on the living body while visually confirming the place where the transmission / reception unit 2a is brought into contact, it is possible to identify a place with less bleeding without using an ultrasonic observation apparatus.
  • the blood-flow detection apparatus of this embodiment may be further equipped with the structure which notifies a user of the change of blood-flow information by the change of auditory information and tactile information.
  • the probe unit 2 is described as a configuration in which only the probe unit 2 is configured to be able to project and retract into the living body via the duct 51 of the endoscope 50. 2 may be configured as a part of a treatment tool for performing treatment on a living body.
  • the tenth embodiment differs from the above-described embodiment only in the configuration of the probe unit. Therefore, only this difference will be described below, and the same components as those in the eighth embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
  • the probe unit 2 of the present embodiment is provided at the distal end portion of a treatment instrument 70 that can be inserted into the duct 51 of the endoscope 50 and can be projected and retracted into the living body.
  • a treatment instrument 70 that can be inserted into the duct 51 of the endoscope 50 and can be projected and retracted into the living body.
  • the form of the treatment tool 70 of this embodiment is not specifically limited, Forceps, a puncture needle, a scalpel, a suture tool, etc. can be applied.
  • the treatment instrument 70 is a forceps having a single-opening tip 71 as shown in FIG.
  • the treatment instrument 70 shown in FIG. 13 at least a part of the distal end portion 71 of the forceps is configured as the probe portion 2.
  • the probe unit 2 is disposed at a portion of the treatment instrument 70 that can be inserted into the duct 51 of the endoscope 50 so as to be in contact with the living body. Since the treatment tool 70 can be used to identify a portion of the living body where there is little bleeding, the treatment can be performed more quickly.
  • the ultrasonic transducer 3 is disposed facing the axial direction at the distal end portion 71 of the treatment instrument 70, but the ultrasonic transducer 3 of the treatment instrument 70 is arranged as shown in FIG. 14.
  • tip part 71 may be sufficient.
  • the probe unit 2 may be inserted into the duct 51 of the endoscope 50 and may be provided at the distal end of a cylindrical sheath that houses the treatment instrument 70.
  • the form of the sheath is not particularly limited, but a form for accommodating a puncture needle, a suture tool, a guide wire, or the like is conceivable.
  • the eleventh embodiment of the present invention will be described below.
  • the eleventh embodiment shows another form of the probe unit 2 in which the ultrasonic transducer 3 is disposed.
  • the eleventh embodiment differs from the tenth embodiment described above only in the configuration of the probe portion. Therefore, only this difference will be described below, and the same components as those in the tenth embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
  • the probe unit 2 is disposed at the distal end portion 71 a of the treatment instrument 70 a that is a guide wire that can be inserted into the duct 51 of the endoscope 50.
  • an electrode 72 electrically connected to the ultrasonic transducer 3 via a conductive wire inserted inside is disposed on the proximal end side of the treatment instrument 70 so as to be exposed on the side surface. ing.
  • the electrode 72 exposed on the side surface of the treatment instrument 70 is electrically connected to the control unit 10 by coming into contact with an electrode 73 disposed inside a clip 74 that removably holds the periphery of the electrode 72. .
  • the clip 74 is attached to the guide wire 70a, and the ultrasonic transmission / reception unit 2a of the probe unit 2 is brought into contact with the living body.
  • the clip 74 is removed from the guide wire 70a.
  • the present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the gist or concept of the invention that can be read from the claims and the entire specification.
  • the detection device is also included in the technical scope of the present invention.

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Abstract

A bloodstream detecting device is provided with an ultrasonic transducer; a probe unit configured such that ultrasonic waves can be transmitted and received to and from a living body; a bloodstream information arithmetic unit which calculates bloodstream information consisting of at least one of the speed of a bloodstream, the power value of the bloodstream, the volume of the bloodstream, or the depth of an area in which the bloodstream exists, by transmitting and receiving the ultrasonic waves to and from the living body by using the ultrasonic transducer; and an information reporting unit which outputs the change of the bloodstream information as at least one of audio information, visual information, or tactile information, and reports thereof to a user.

Description

血流検出装置Blood flow detection device
　本発明は、超音波トランスデューサを用いて超音波を生体に送受することにより生体内の血流を検出する血流検出装置に関する。 The present invention relates to a blood flow detection device that detects blood flow in a living body by transmitting and receiving ultrasonic waves to the living body using an ultrasonic transducer.
　生体内における血流の様子を観察する技術として、生体内に超音波を送受し、当該超音波のドップラ効果による周波数の変化を用いる技術が知られている。このような技術は、例えば日本国特表平８－５０３８６２号公報に開示されている。 As a technique for observing the state of blood flow in a living body, a technique for transmitting and receiving ultrasonic waves in the living body and using a change in frequency due to the Doppler effect of the ultrasonic waves is known. Such a technique is disclosed, for example, in Japanese National Publication No. 8-503862.
　日本国特表平８－５０３８６２号公報に開示されている発明では、血栓治療時における血液の流れ始めを測定する方法として超音波を用いたパルスドプラ法が用いられている。 In the invention disclosed in Japanese Patent Publication No. 8-503862, a pulse Doppler method using ultrasonic waves is used as a method for measuring the start of blood flow during thrombus treatment.
　ところで、生体に対してメス等の処置具により外科的な処置を実施する場合、当該処置は生体内の血管を避けて行われることが好ましい。このような外科的な処置を行う際に生体内の血管の位置を特定する方法として、生体の超音波断層像を撮像する超音波診断装置が用いられる場合がある。 By the way, when a surgical treatment is performed on a living body with a treatment tool such as a scalpel, the treatment is preferably performed while avoiding blood vessels in the living body. As a method of specifying the position of a blood vessel in a living body when performing such a surgical treatment, an ultrasonic diagnostic apparatus that captures an ultrasonic tomographic image of the living body may be used.
　しかしながら、このような生体の超音波断層像を撮像するための超音波診断装置は、専用の機器であり、かつ装置規模が大きいことから、全ての外科的な処置に用いるには手間がかかると言う問題がある。 However, such an ultrasonic diagnostic apparatus for imaging an ultrasonic tomographic image of a living body is a dedicated device and has a large apparatus scale, so that it takes time to use it for all surgical procedures. There is a problem to say.
　本発明は、上記問題点に鑑みてなされたものであり、超音波診断装置を用いることなく生体に対して処置を行う際に出血の少ない箇所を容易に特定することが可能な血流検出装置を提供することを目的とする。 The present invention has been made in view of the above problems, and a blood flow detection device capable of easily specifying a site with less bleeding when performing treatment on a living body without using an ultrasonic diagnostic apparatus The purpose is to provide.
　本発明に係る血流検出装置は、超音波トランスデューサを具備し、生体に超音波を送受可能に構成されたプローブ部と、前記超音波トランスデューサを用いて超音波を前記生体に送受することにより、血流の速度、血流のパワー値、血流のボリューム及び血流が存在する領域の深さの少なくとも１つからなる血流情報を算出する血流情報演算部と、前記血流情報の変化を、聴覚情報、視覚情報及び触覚情報のうちの少なくとも１つの変化として出力し使用者に通知する情報通知部と、を備えることを特徴とする。 The blood flow detection device according to the present invention includes an ultrasonic transducer, and a probe unit configured to be able to transmit and receive ultrasonic waves to a living body, and by transmitting and receiving ultrasonic waves to and from the living body using the ultrasonic transducer, A blood flow information calculation unit for calculating blood flow information including at least one of a blood flow speed, a blood flow power value, a blood flow volume, and a depth of a region where the blood flow exists, and a change in the blood flow information Is provided as a change in at least one of auditory information, visual information, and tactile information, and is notified to the user.
血流検出装置の斜視図である。It is a perspective view of a blood-flow detection apparatus. 血流検出装置の概略的な構成を示すブロック図である。It is a block diagram which shows the schematic structure of a blood-flow detection apparatus. 第２の実施形態の血流検出装置の概略的な構成を示すブロック図である。It is a block diagram which shows the schematic structure of the blood-flow detection apparatus of 2nd Embodiment. 第３の実施形態の血流検出装置の概略的な構成を示すブロック図である。It is a block diagram which shows schematic structure of the blood-flow detection apparatus of 3rd Embodiment. 第４の実施形態の血流検出装置の概略的な構成を示すブロック図である。It is a block diagram which shows the schematic structure of the blood-flow detection apparatus of 4th Embodiment. 第５の実施形態の超音波トランスデューサの構成を示す斜視図である。It is a perspective view which shows the structure of the ultrasonic transducer of 5th Embodiment. 第６の実施形態のプローブ部の構成を示す図である。It is a figure which shows the structure of the probe part of 6th Embodiment. 第７の実施形態のプローブ部の構成を示す図である。It is a figure which shows the structure of the probe part of 7th Embodiment. 第７の実施形態のプローブ部の詳細を示す斜視図である。It is a perspective view which shows the detail of the probe part of 7th Embodiment. 第８の実施形態のプローブ部の構成を示す図である。It is a figure which shows the structure of the probe part of 8th Embodiment. 第９の実施形態の血流検出装置の概略的な構成を示す図である。It is a figure which shows schematic structure of the blood-flow detection apparatus of 9th Embodiment. 第９の実施形態の視覚情報の出力の形態を説明する図である。It is a figure explaining the form of the output of the visual information of 9th Embodiment. 第１０の実施形態のプローブ部の構成を示す図である。It is a figure which shows the structure of the probe part of 10th Embodiment. 第１０の実施形態の変形例を示す図である。It is a figure which shows the modification of 10th Embodiment. 第１１の実施形態のプローブ部の構成を示す図である。It is a figure which shows the structure of the probe part of 11th Embodiment.
　本発明の血流検出装置の好ましい形態について図面を参照して説明する。なお、以下の説明に用いた各図においては、各構成要素を図面上で認識可能な程度の大きさとするため、各構成要素毎に縮尺を異ならせてあるものであり、本発明は、これらの図に記載された構成要素の数量、構成要素の形状、構成要素の大きさの比率、及び各構成要素の相対的な位置関係のみに限定されるものではない。 A preferred embodiment of the blood flow detection device of the present invention will be described with reference to the drawings. In each drawing used for the following description, the scale is different for each component in order to make each component large enough to be recognized on the drawing. It is not limited only to the quantity of the component described in the figure, the shape of the component, the ratio of the size of the component, and the relative positional relationship of each component.
（第１の実施形態）
　以下に、本発明の第１の実施形態を説明する。本実施形態の血流検出装置１は、超音波を送受信するための超音波トランスデューサ３と、超音波トランスデューサを具備し生体に超音波を送受可能に構成されたプローブ部２と、制御部１０とを具備してなる。超音波トランスデューサ３は、プローブ部２の超音波送受部２ａに配設されている。該超音波トランスデューサ３の動作は、後述する制御部１０によって制御される。 (First embodiment)
The first embodiment of the present invention will be described below. The blood flow detection device 1 according to the present embodiment includes an ultrasonic transducer 3 for transmitting and receiving ultrasonic waves, a probe unit 2 including an ultrasonic transducer and configured to transmit and receive ultrasonic waves to a living body, a control unit 10, It comprises. The ultrasonic transducer 3 is disposed in the ultrasonic transmission / reception unit 2 a of the probe unit 2. The operation of the ultrasonic transducer 3 is controlled by the control unit 10 described later.
　なお、超音波トランスデューサ３の構成は特に限定されるものではないが、例えば圧電セラミクス等の圧電素子や電歪素子からなる構成や、静電容量型スピーカー及び静電容量型マイクロホンからなる構成が考えられる。 Although the configuration of the ultrasonic transducer 3 is not particularly limited, for example, a configuration including a piezoelectric element such as piezoelectric ceramics or an electrostrictive element, or a configuration including a capacitive speaker and a capacitive microphone may be considered. It is done.
　制御部１０は、制御回路部１３、超音波送受信回路部１１、血流情報演算部１２及び情報通知部２０を具備して構成されている。また、制御部１０には、血流検出装置１の各部に、外部電源又は内蔵電源電池からの電力を供給する図示しない電源供給回路部が配設されている。 The control unit 10 includes a control circuit unit 13, an ultrasonic transmission / reception circuit unit 11, a blood flow information calculation unit 12, and an information notification unit 20. Further, the control unit 10 is provided with a power supply circuit unit (not shown) that supplies power from an external power supply or a built-in power supply battery to each unit of the blood flow detection device 1.
　制御回路部１３は、使用者や外部機器からの指示の入力に応じて、又は自動で制御部１０内の各回路の動作を制御する。超音波送受信回路部１１は、超音波送受部２ａに設けられた超音波トランスデューサ３に電気的に接続されている。超音波送受信回路部１１は、超音波トランスデューサ３からパルス状の超音波の生体内への送信を制御するとともに、生体内において反射された超音波の受信を制御する。 The control circuit unit 13 controls the operation of each circuit in the control unit 10 in response to an instruction input from a user or an external device or automatically. The ultrasonic transmission / reception circuit unit 11 is electrically connected to the ultrasonic transducer 3 provided in the ultrasonic transmission / reception unit 2a. The ultrasonic transmission / reception circuit unit 11 controls transmission of pulsed ultrasonic waves from the ultrasonic transducer 3 into the living body and also controls reception of ultrasonic waves reflected in the living body.
　なお、超音波トランスデューサ３による生体への超音波の送受信は、超音波送受部２ａを生体に直接当接させた状態だけでなく、超音波送受部２ａと生体との間に流体やジェル等の超音波伝達媒体が配された状態においても可能である。 In addition, the transmission / reception of the ultrasonic wave to the living body by the ultrasonic transducer 3 is not only in a state where the ultrasonic transmission / reception unit 2a is in direct contact with the living body, but also between the ultrasonic transmission / reception unit 2a and the living body such as a fluid or a gel. This is also possible in a state where an ultrasonic transmission medium is arranged.
　血流情報演算部１２は、超音波トランスデューサ３から生体に対して送受信した超音波のドップラ効果による周波数のシフトに基づいて、生体の当該超音波の送受信領域内における血流の状態を示す変数である血流情報を演算する。なお、血流情報演算部１２による血流情報の演算はリアルタイムで行われる。 The blood flow information calculation unit 12 is a variable indicating the state of blood flow in the ultrasound transmission / reception region of the living body based on the frequency shift due to the Doppler effect of the ultrasound transmitted / received from the ultrasound transducer 3 to the living body. Calculate some blood flow information. In addition, the calculation of blood flow information by the blood flow information calculation unit 12 is performed in real time.
　より具体的には、血流情報演算部１２は、いわゆるパルスドプラ法により、生体の超音波の送受信領域内の深さ方向について複数箇所における血流の速度を算出する。そして、血流情報演算部１２は、算出した複数箇所における血流の速度(絶対値)のうちの最大値を血流情報として情報通知部２０へ出力する。 More specifically, the blood flow information calculation unit 12 calculates the blood flow velocity at a plurality of locations in the depth direction in the ultrasound transmission / reception region of the living body by a so-called pulse Doppler method. Then, the blood flow information calculation unit 12 outputs the maximum value of the calculated blood flow velocities (absolute values) at a plurality of locations to the information notification unit 20 as blood flow information.
　情報通知部２０は、使用者に対して血流情報に応じた情報を出力し通知する。情報通知部２０は、聴覚情報生成部２１及びスピーカー２２を具備して構成されている。本実施形態における情報通知部２０は、血流情報の変化を、聴覚情報生成部２１において音の変化という聴覚情報に変換し、該聴覚情報をスピーカー２２から出力して使用者に通知する。 The information notification unit 20 outputs and notifies information corresponding to the blood flow information to the user. The information notification unit 20 includes an auditory information generation unit 21 and a speaker 22. In the present embodiment, the information notification unit 20 converts a change in blood flow information into auditory information called a change in sound in the auditory information generation unit 21, and outputs the auditory information from the speaker 22 to notify the user.
　ここで、スピーカー２２から出力される血流情報に応じた聴覚情報とは、周波数の変化、音量の変化、及び音の断続の周期の変化、のうちの少なくとも１つのことを指す。 Here, the auditory information corresponding to the blood flow information output from the speaker 22 refers to at least one of a change in frequency, a change in volume, and a change in intermittent cycle of sound.
　例えば、血流情報を音の断続の周期の変化によって使用者に通知する場合、血流情報である血流の速度の最大値が小さいほど音の断続の周期を長くし、血流の速度の最大値が大きいほど音の断続の周期を短くする。なお、この場合、同時にスピーカー２２から発せられる音の音量を血流情報に応じて変化させる等、複数種類の音の変化の様態が組み合わされてもよい。 For example, when the blood flow information is notified to the user by the change in the sound intermittent cycle, the smaller the maximum value of the blood flow velocity that is the blood flow information is, the longer the sound intermittent cycle is. The greater the maximum value, the shorter the intermittent cycle of the sound. In this case, a plurality of types of changes in sound may be combined, such as changing the volume of sound emitted from the speaker 22 in accordance with blood flow information.
　また、血流情報と所定のしきい値との大小の比較結果に基づいて、血流情報がある範囲内である場合には聴覚情報に変化を生じさせないといった、血流情報に対するしきい値を用いたフィルタリング処理がなされてもよい。例えば、血流情報がしきい値よりも小さい場合には、スピーカー２２から音を発生しない、もしくはスピーカー２２から発せられる音に変化を生じさせない、といった形態が考えられる。 In addition, based on the result of comparing the blood flow information with a predetermined threshold value, a threshold for blood flow information is set such that the blood flow information does not change when the blood flow information is within a certain range. The used filtering process may be performed. For example, when the blood flow information is smaller than a threshold value, a form in which no sound is generated from the speaker 22 or no change is generated in the sound emitted from the speaker 22 can be considered.
　以上のように構成された血流検出装置１によれば、使用者は、聴覚情報の変化によって、生体のプローブ部２の超音波送受部２ａを当接させた部位の内部における血流の速度の大小を知ることができる。すなわち、本実施形態の血流検出装置１を用いることにより、使用者は、生体に対して処置を行う際に出血の少ない箇所を、超音波観察装置を用いることなく特定することができる。 According to the blood flow detection device 1 configured as described above, the user can change the velocity of the blood flow inside the site where the ultrasonic wave transmitting / receiving unit 2a of the probe unit 2 of the living body is brought into contact with a change in auditory information. You can know the size of. That is, by using the blood flow detection device 1 of the present embodiment, the user can specify a portion with less bleeding when performing treatment on a living body without using an ultrasonic observation device.
　上述した本実施形態では、血流情報演算部１２は、生体の超音波の送受信領域内における血流の速度を血流情報として算出する構成であるが、血流情報演算部１２が算出する血流情報の形態はこれに限られるものではない。以下に、上述した本実施形態の変形例を説明する。 In the above-described embodiment, the blood flow information calculation unit 12 is configured to calculate the blood flow velocity in the ultrasound transmission / reception region of the living body as the blood flow information, but the blood calculated by the blood flow information calculation unit 12 The form of flow information is not limited to this. Below, the modification of this embodiment mentioned above is demonstrated.
（第１の変形例）
　例えば、血流情報は、生体の超音波の送受信領域内における血流の強度を示すパワー値であってもよい。 (First modification)
For example, the blood flow information may be a power value indicating the intensity of blood flow in the ultrasound transmission / reception region of the living body.
　より具体的には、本変形例では、血流情報演算部１２は、超音波トランスデューサ３から生体に対して送受信した超音波の情報に基づいて、生体の超音波の送受信領域内の深さ方向について複数箇所における血流のパワー値を算出する。血流情報演算部１２は、算出した複数箇所における血流のパワー値のうちの最大値を血流情報として情報通知部２０へ出力する。 More specifically, in the present modification, the blood flow information calculation unit 12 is based on the ultrasonic information transmitted / received to / from the living body from the ultrasonic transducer 3, and the depth direction in the ultrasonic transmitting / receiving area of the living body. The blood flow power value at a plurality of locations is calculated. The blood flow information calculation unit 12 outputs the maximum value of the calculated blood flow power values at a plurality of locations to the information notification unit 20 as blood flow information.
　そして、情報通知部２０は、血流情報、すなわち血流のパワー値の最大値の変化を、聴覚情報生成部２１において音の変化という聴覚情報に変換し、該聴覚情報をスピーカー２２から出力して使用者に通知する。 Then, the information notification unit 20 converts the blood flow information, that is, the change in the maximum value of the blood flow power value into auditory information called a sound change in the auditory information generation unit 21, and outputs the auditory information from the speaker 22. To notify the user.
　血流のパワー値が大きい箇所は、太い血管が存在する箇所に対応するため、本変形例の血流検出装置１を用いることでも、使用者は、生体に対して処置を行う際に出血の少ない箇所を、超音波観察装置を用いることなく特定することができる。 Since the location where the power value of the blood flow is large corresponds to the location where the thick blood vessel is present, even when using the blood flow detection device 1 of this modification, the user can bleed when performing treatment on the living body. A few locations can be identified without using an ultrasonic observation apparatus.
（第２の変形例）
　また、血流情報は、生体の超音波の送受信領域内における血流の存在ボリュームであってもよい。 (Second modification)
Further, the blood flow information may be a blood flow existing volume in the ultrasound transmission / reception region of the living body.
　より具体的には、本変形例では、血流情報演算部１２は、超音波トランスデューサ３から生体に対して送受信した超音波の情報に基づいて、生体の超音波の送受信領域内に存在する血流の存在ボリュームを算出する。 More specifically, in the present modification, the blood flow information calculation unit 12 is based on the ultrasonic information transmitted / received to / from the living body from the ultrasonic transducer 3 and the blood existing in the ultrasonic transmitting / receiving area of the living body. Calculate the existing volume of the flow.
　ここで、血流の存在ボリュームは、超音波の送受信領域内において、血流の速度の絶対値または血流のパワー値が所定の値以上である領域を積分することによって算出される。 Here, the blood flow presence volume is calculated by integrating a region where the absolute value of the blood flow velocity or the power value of the blood flow is equal to or greater than a predetermined value in the ultrasonic transmission / reception region.
　血流情報演算部１２は、算出した血流の存在ボリュームの値を血流情報として情報通知部２０へ出力する。 The blood flow information calculation unit 12 outputs the calculated value of the existing blood flow volume to the information notification unit 20 as blood flow information.
　そして、情報通知部２０は、血流情報、すなわち血流の存在ボリュームの変化を、聴覚情報生成部２１において音の変化という聴覚情報に変換し、該聴覚情報をスピーカー２２から出力して使用者に通知する。 Then, the information notification unit 20 converts the blood flow information, that is, the change in the existing volume of the blood flow into auditory information called a sound change in the auditory information generation unit 21, and outputs the auditory information from the speaker 22 to the user. Notify
　血流の存在ボリュームの値が大きい箇所は、太い血管が存在する箇所、もしくは多数の血管が存在する箇所に対応するため、本変形例の血流検出装置１を用いることでも、使用者は、生体に対して処置を行う際に出血の少ない箇所を、超音波観察装置を用いることなく特定することができる。 Since the location where the value of the existing volume of blood flow is large corresponds to a location where a thick blood vessel exists or a location where a large number of blood vessels exist, the user can also use the blood flow detection device 1 according to this modification. It is possible to identify a portion with less bleeding when a treatment is performed on a living body without using an ultrasonic observation apparatus.
（第３の変形例）
　また、血流情報は、生体の超音波の送受信領域内において血流が存在する領域の深さであってもよい。 (Third Modification)
In addition, the blood flow information may be the depth of a region where blood flow exists in the ultrasound transmission / reception region of the living body.
　より具体的には、本変形例では、血流情報演算部１２は、超音波トランスデューサ３から生体に対して送受信した超音波の情報に基づいて、生体の超音波の送受信領域内に存在する血流が存在する領域の深さを算出する。 More specifically, in the present modification, the blood flow information calculation unit 12 is based on the ultrasonic information transmitted / received to / from the living body from the ultrasonic transducer 3 and the blood existing in the ultrasonic transmitting / receiving area of the living body. Calculate the depth of the region where the flow exists.
　ここで、血流が存在する領域の深さは、超音波の送受信領域内において、血流の速度の絶対値または血流のパワー値が所定の値以上である領域の、超音波トランスデューサ３からの距離である。 Here, the depth of the region where the blood flow exists is determined from the ultrasonic transducer 3 in the region where the absolute value of the blood flow velocity or the power value of the blood flow is equal to or greater than a predetermined value in the ultrasonic transmission / reception region. Is the distance.
　血流情報演算部１２は、算出した血流が存在する領域の深さの値を血流情報として情報通知部２０へ出力する。 The blood flow information calculation unit 12 outputs the calculated depth value of the region where the blood flow exists to the information notification unit 20 as blood flow information.
　そして、情報通知部２０は、血流情報、すなわち血流が存在する領域の深さの変化を、聴覚情報生成部２１において音の変化という聴覚情報に変換し、該聴覚情報をスピーカー２２から出力して使用者に通知する。 Then, the information notification unit 20 converts the blood flow information, that is, the change in the depth of the region where the blood flow exists, into auditory information called a sound change in the auditory information generation unit 21, and outputs the auditory information from the speaker 22. And notify the user.
　本変形例の血流検出装置１を用いることで、使用者は血流が存在する領域の深さを知ることができ、本変形例の血流検出装置１を用いることでも、使用者は、生体に対して処置を行う際に出血の少ない箇所を、超音波観察装置を用いることなく特定することができる。 By using the blood flow detection device 1 of this modification, the user can know the depth of the region where the blood flow exists, and even by using the blood flow detection device 1 of this modification, the user can It is possible to identify a portion with less bleeding when a treatment is performed on a living body without using an ultrasonic observation apparatus.
（第４の変形例）
　上述した第１の実施形態及びその第１～第３の変形例では、血流情報は１つの値により構成されるものとして説明しているが、血流情報は、複数の変数により構成されるものであってもよい。すなわち、血流情報は、生体内の超音波の送受信領域内における血流の速度、血流のパワー値、血流の存在ボリューム及び血流が存在する領域の深さのうちの２つ以上の変数の組み合わせであってもよい。 (Fourth modification)
In the first embodiment and the first to third modifications described above, the blood flow information is described as being constituted by one value, but the blood flow information is constituted by a plurality of variables. It may be a thing. That is, the blood flow information includes two or more of a blood flow speed, a blood flow power value, a blood flow existing volume, and a blood flow depth in the living body ultrasound transmission / reception region. It may be a combination of variables.
　より具体的には、本変形例では、血流情報演算部１２は、超音波トランスデューサ３から生体に対して送受信した超音波の情報に基づいて、生体の超音波の送受信領域内の深さ方向について複数箇所における血流の速度のうちの最大値を算出する。そして、血流情報演算部１２は、送受信領域内における血流の速度の最大値、及び当該血流の速度が最大である箇所の深さを血流情報として情報通知部２０へ出力する。 More specifically, in the present modification, the blood flow information calculation unit 12 is based on the ultrasonic information transmitted / received to / from the living body from the ultrasonic transducer 3, and the depth direction in the ultrasonic transmitting / receiving area of the living body. The maximum value of the blood flow velocity at a plurality of locations is calculated. Then, the blood flow information calculation unit 12 outputs the maximum value of the blood flow velocity in the transmission / reception region and the depth of the portion where the blood flow velocity is maximum to the information notification unit 20 as blood flow information.
　そして、情報通知部２０は、血流情報、すなわち血流の速度の最大値及び血流の速度が最大である箇所の深さの変化を、聴覚情報生成部２１において音の変化という聴覚情報に変換し、該聴覚情報をスピーカー２２から出力して使用者に通知する。 Then, the information notification unit 20 converts the blood flow information, that is, the change in the depth of the portion where the blood flow velocity has the maximum value and the blood flow velocity to the auditory information as a sound change in the auditory information generation unit 21. The auditory information is output from the speaker 22 and notified to the user.
　具体的には、情報通知部２０は、血流の速度の最大値の変化に応じてスピーカー２２から出力される音の周波数を変化させ、血流の速度が最大である箇所の深さの変化に応じてスピーカー２２から出力される音の断続の周期を変化させる。 Specifically, the information notification unit 20 changes the frequency of the sound output from the speaker 22 according to the change in the maximum value of the blood flow velocity, and changes the depth of the portion where the blood flow velocity is maximum. Accordingly, the intermittent period of the sound output from the speaker 22 is changed.
　本変形例の血流検出装置１によれば、使用者は血流が存在する領域の深さとその血流の速度を知ることができ、本変形例の血流検出装置１を用いることでも、使用者は、生体に対して処置を行う際に出血の少ない箇所を、超音波観察装置を用いることなく特定することができる。 According to the blood flow detection device 1 of the present modification, the user can know the depth of the region where the blood flow exists and the speed of the blood flow, and even using the blood flow detection device 1 of the present modification, The user can specify a portion with less bleeding when performing treatment on a living body without using an ultrasonic observation apparatus.
　以上の第１の実施形態、及びその第１～第４の変形例に示したように、本発明に係る血流検出装置１は、生体内に超音波を送受し、その超音波のドプラ効果による変化に基づいて血流の速度、血流のパワー値、血流の存在ボリューム及び血流が存在する領域の深さの少なくとも１つを血流情報として算出する。そして、本発明に係る血流検出装置１は、情報通知部２０において血流情報の変化を、スピーカー２２から出力される音の周波数の変化、音量の変化、及び音の断続の周期の変化、のうちの少なくとも１つからなる聴覚情報の変化として出力し、使用者に通知する。 As shown in the first embodiment and the first to fourth modifications, the blood flow detection device 1 according to the present invention transmits and receives ultrasonic waves into the living body, and the Doppler effect of the ultrasonic waves. On the basis of the change, the blood flow velocity, the blood flow power value, the blood flow existence volume, and the depth of the region where the blood flow exists are calculated as blood flow information. And the blood-flow detection apparatus 1 which concerns on this invention is a change of the blood-flow information in the information notification part 20, the change of the frequency of the sound output from the speaker 22, the change of a volume, and the change of the period of intermittent sound, Is output as a change in auditory information consisting of at least one of the above and notified to the user.
（第２の実施形態）
　以下に、本発明の第２の実施形態を説明する。第２の実施形態は、情報通知部の別の形態の例を示すものである。第２の実施形態は、上述した第１の実施形態に対して情報通知部の構成のみが異なる。よって、以下ではこの相違点のみを説明するものとし、また、第１の実施形態と同様の構成要素については同一の符号を付し、その説明を適宜に省略するものとする。 (Second Embodiment)
The second embodiment of the present invention will be described below. The second embodiment shows an example of another form of the information notification unit. The second embodiment differs from the first embodiment described above only in the configuration of the information notification unit. Therefore, only this difference will be described below, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
　本実施形態における情報通知部２０ａは、図３に示すように、視覚情報生成部２１ａ及び表示装置２２ａを具備して構成されている。 As shown in FIG. 3, the information notification unit 20a in this embodiment includes a visual information generation unit 21a and a display device 22a.
　本実施形態における情報通知部２０ａは、血流情報演算部１２から入力される血流情報の変化を、視覚情報生成部２１ａにおいて視覚情報に変換し、該視覚情報を表示装置２２ａから出力して使用者に通知する。 In the present embodiment, the information notification unit 20a converts the change in blood flow information input from the blood flow information calculation unit 12 into visual information in the visual information generation unit 21a, and outputs the visual information from the display device 22a. Notify the user.
　血流情報の変化を視覚的に使用者に通知するための表示装置２２ａの形態は特に限定されるものではないが、例えば表示装置２２ａは、指針式のメータ、多セグメント式の表示装置、ドットマトリクス式のモノクロまたはカラーの画像表示装置、出射光の周波数（色）を変化することが可能な発光装置等の、二値以上の多値の表示が可能な表示装置が考えられる。 The form of the display device 22a for visually notifying the user of changes in blood flow information is not particularly limited. For example, the display device 22a includes a pointer-type meter, a multi-segment display device, a dot A display device capable of multi-value display of two or more values, such as a matrix type monochrome or color image display device and a light emitting device capable of changing the frequency (color) of the emitted light, can be considered.
　ここで、第１の実施形態で述べたように、血流情報は、血流の速度、血流のパワー値、血流の存在ボリューム及び血流が存在する領域の深さの少なくとも１つからなる。 Here, as described in the first embodiment, the blood flow information is obtained from at least one of the blood flow velocity, the blood flow power value, the blood flow existence volume, and the depth of the region where the blood flow exists. Become.
　一例として、血流情報演算部１２から入力される血流情報が血流の速度の最大値であって、表示装置２２ａが出射光の周波数（色）を緑色から黄色の間で変化することが可能な発光装置を具備して構成される場合を説明する。この場合、血流の速度の最大値が大きいほど、情報通知部２０ａは表示装置２２ａの出射光の中心周波数を黄色側に移動させ、血流の速度の最大値が小さいほど、出射光の中心周波数を緑色側に移動させる。 As an example, the blood flow information input from the blood flow information calculation unit 12 is the maximum value of the blood flow velocity, and the display device 22a changes the frequency (color) of the emitted light from green to yellow. A case where the light emitting device is configured and configured is described. In this case, the larger the maximum value of the blood flow velocity, the more the information notification unit 20a moves the center frequency of the emitted light of the display device 22a to the yellow side, and the smaller the maximum blood flow velocity value, the more the center of the emitted light. Move the frequency to the green side.
　なお、上述した第１の実施形態と同様に、血流情報は、生体内の超音波の送受信領域内における血流の速度、血流のパワー値、血流の存在ボリューム及び血流が存在する領域の深さのうちの２つ以上の変数からなり、情報通知部２０ａは、当該複数の変数のそれぞれを視覚情報として使用者に通知するものであってもよい。 As in the first embodiment described above, the blood flow information includes blood flow velocity, blood flow power value, blood flow existence volume, and blood flow in the ultrasound transmission / reception region in the living body. The information notification unit 20a may notify the user of each of the plurality of variables as visual information.
　例えば、上述のように表示装置２２ａが出射光の周波数（色）を緑色から黄色の間で変化することが可能な発光装置を具備して構成される場合、血流の速度の最大値の変化を出射光の中心周波数の変化として出力し、血流が存在する領域の深さの変化を出射光の断続の周期の変化として出力する形態が考えられる。 For example, when the display device 22a includes a light emitting device capable of changing the frequency (color) of emitted light between green and yellow as described above, the change in the maximum value of the blood flow velocity is changed. Is output as a change in the center frequency of the emitted light, and a change in the depth of the region where the blood flow exists is output as a change in the intermittent period of the emitted light.
　もちろん、情報通知部２０ａは、血流情報を構成する変数の数に応じて、それぞれの変数の変化の様子を表示するための複数の表示装置２２ａを具備する構成であってもよい。 Of course, the information notification unit 20a may be configured to include a plurality of display devices 22a for displaying the state of change of each variable according to the number of variables constituting the blood flow information.
　以上のように構成された血流検出装置１によれば、使用者は、視覚情報の変化によって、生体のプローブ部２の超音波送受部２ａを当接させた部位の内部における血流情報を知ることができる。すなわち、本実施形態の血流検出装置１を用いることにより、使用者は、生体に対して処置を行う際に出血の少ない箇所を、超音波観察装置を用いることなく特定することができる。 According to the blood flow detection device 1 configured as described above, the user can obtain blood flow information inside the portion where the ultrasound transmitting / receiving unit 2a of the living body probe unit 2 is in contact with a change in visual information. I can know. That is, by using the blood flow detection device 1 of the present embodiment, the user can specify a portion with less bleeding when performing treatment on a living body without using an ultrasonic observation device.
　なお、表示装置２２ａは、プローブ部２に設けられる形態であってもよい。例えば超音波送受部２ａの近傍にＬＥＤ等の発光装置からなる表示部２２ａを配設すれば、使用者の視線の移動量を少なくすることができる。 In addition, the form provided in the probe part 2 may be sufficient as the display apparatus 22a. For example, if the display unit 22a formed of a light emitting device such as an LED is disposed in the vicinity of the ultrasonic transmission / reception unit 2a, the amount of movement of the user's line of sight can be reduced.
（第３の実施形態）
　以下に、本発明の第３の実施形態を説明する。第３の実施形態は、情報通知部の別の形態の例を示すものである。第３の実施形態は、上述した第１の実施形態に対して情報通知部の構成のみが異なる。よって、以下ではこの相違点のみを説明するものとし、また、第１の実施形態と同様の構成要素については同一の符号を付し、その説明を適宜に省略するものとする。 (Third embodiment)
The third embodiment of the present invention will be described below. The third embodiment shows an example of another form of the information notification unit. The third embodiment is different from the first embodiment described above only in the configuration of the information notification unit. Therefore, only this difference will be described below, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
　本実施形態における情報通知部２０ｂは、図４に示すように、触覚情報生成部２１ｂ及びアクチュエータ２２ｂを具備して構成されている。 As shown in FIG. 4, the information notification unit 20b in the present embodiment includes a tactile information generation unit 21b and an actuator 22b.
　本実施形態における情報通知部２０ｂは、血流情報演算部１２から入力される血流情報の変化を、触覚情報生成部２１ａにおいて触覚情報に変換し、該触覚情報をアクチュエータ２２ｂから出力して使用者に通知する。 In the present embodiment, the information notification unit 20b converts the change in blood flow information input from the blood flow information calculation unit 12 into tactile information in the tactile information generation unit 21a, and outputs the tactile information from the actuator 22b for use. The person in charge.
　血流情報の変化を触覚の変化として使用者に通知するためのアクチュエータ２２ｂの形態は特に限定されるものではないが、例えばアクチュエータ２２ｂは、振動を発生することができるバイブレータや、使用者の皮膚に圧力を加えることができる装置等が考えられる。 The form of the actuator 22b for notifying the user of a change in blood flow information as a change in tactile sensation is not particularly limited. For example, the actuator 22b may be a vibrator capable of generating vibrations or the user's skin. An apparatus or the like that can apply a pressure to the gas can be considered.
　ここで、第１の実施形態で述べたように、血流情報は、血流の速度、血流のパワー値、血流の存在ボリューム及び血流が存在する領域の深さの少なくとも１つからなる。 Here, as described in the first embodiment, the blood flow information is obtained from at least one of the blood flow velocity, the blood flow power value, the blood flow existence volume, and the depth of the region where the blood flow exists. Become.
　一例として、血流情報演算部１２から入力される血流情報が血流の速度の最大値であって、アクチュエータ２２ｂが振動を発生することができるバイブレータからなる場合を説明する。バイブレータからなるアクチュエータ２２ｂは、プローブ部２の操作者が把持する把持部２ｂや、操作者に装着されるリストバンド等、操作者に接触する部材に配設される。 As an example, a case will be described in which the blood flow information input from the blood flow information calculation unit 12 is the maximum value of the blood flow velocity and the actuator 22b includes a vibrator that can generate vibration. The actuator 22b made of a vibrator is disposed on a member that contacts the operator, such as a grip portion 2b that is gripped by the operator of the probe unit 2 or a wristband that is worn by the operator.
　この場合、血流の速度の最大値が大きいほど、情報通知部２０ｂはアクチュエータ２２ｂが発する振動の周期を短くし、血流の速度の最大値が小さいほど、アクチュエータ２２ｂが発する振動の周期を長くする。 In this case, the information notification unit 20b shortens the period of vibration generated by the actuator 22b as the maximum value of the blood flow speed increases, and the period of vibration generated by the actuator 22b increases as the maximum value of the blood flow speed decreases. To do.
　なお、上述した第１の実施形態と同様に、血流情報は、生体内の超音波の送受信領域内における血流の速度、血流のパワー値、血流の存在ボリューム及び血流が存在する領域の深さのうちの２つ以上の変数からなり、情報通知部２０ｂは、当該複数の変数のそれぞれを触覚情報として使用者に通知するものであってもよい。 As in the first embodiment described above, the blood flow information includes blood flow velocity, blood flow power value, blood flow existence volume, and blood flow in the ultrasound transmission / reception region in the living body. The information notification unit 20b may be configured to notify the user of each of the plurality of variables as tactile information.
　例えば、上述のようにアクチュエータ２２ｂがバイブレータを具備して構成される場合、血流の速度の最大値の変化を振動の周期の変化として出力し、血流が存在する領域の深さの変化を振動の断続（バイブレータの動作のＯＮ／ＯＦＦ）の周期の変化として出力する形態が考えられる。 For example, when the actuator 22b is configured to include a vibrator as described above, the change in the maximum value of the blood flow velocity is output as the change in the vibration cycle, and the change in the depth of the region where the blood flow exists. A mode of outputting as a change in the period of intermittent vibration (ON / OFF of the operation of the vibrator) is conceivable.
　もちろん、情報通知部２０ｂは、血流情報を構成する変数の数に応じて、それぞれの変数の変化の様子を表示するための複数のアクチュエータ２２ｂを具備する構成であってもよい。 Of course, the information notification unit 20b may be configured to include a plurality of actuators 22b for displaying changes in each variable according to the number of variables constituting the blood flow information.
　以上のように構成された血流検出装置１によれば、使用者は、触覚情報の変化によって、生体のプローブ部２の超音波送受部２ａを当接させた部位の内部における血流情報を知ることができる。すなわち、本実施形態の血流検出装置１を用いることにより、使用者は、生体に対して処置を行う際に出血の少ない箇所を、超音波観察装置を用いることなく特定することができる。 According to the blood flow detection device 1 configured as described above, the user can obtain blood flow information inside the part where the ultrasonic wave transmitting / receiving unit 2a of the living body probe unit 2 is in contact with a change in tactile information. I can know. That is, by using the blood flow detection device 1 of the present embodiment, the user can specify a portion with less bleeding when performing treatment on a living body without using an ultrasonic observation device.
（第４の実施形態）
　上述した実施形態においては、情報通知部は、聴覚情報、視覚情報または触覚情報により使用者に対して血流情報の変化を通知する形態として説明しているが、情報通知部が使用者に血流情報の変化を通知するための形態は、聴覚情報、視覚情報及び触覚情報のうちの２つ以上の組み合わせにより構成されてもよい。 (Fourth embodiment)
In the above-described embodiment, the information notification unit is described as a mode for notifying the user of changes in blood flow information using auditory information, visual information, or tactile information. The form for notifying the change of the flow information may be configured by a combination of two or more of auditory information, visual information, and tactile information.
　そこで以下に、本発明の第４の実施形態として、このような通知手段の形態を説明する。第４の実施形態は、情報通知部の別の形態の例を示すものである。第４の実施形態は、上述した第１から第３の実施形態に対して情報通知部の構成のみが異なる。よって、以下ではこの相違点のみを説明するものとし、また、第１から第３の実施形態と同様の構成要素については同一の符号を付し、その説明を適宜に省略するものとする。 Therefore, in the following, a form of such a notification means will be described as a fourth embodiment of the present invention. The fourth embodiment shows an example of another form of the information notification unit. The fourth embodiment differs from the first to third embodiments described above only in the configuration of the information notification unit. Therefore, only this difference will be described below, and the same components as those in the first to third embodiments are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
　本実施形態における情報通知部２０ｃは、図５に示すように、聴覚情報生成部２１及びスピーカー２２からなり血流情報の変化を聴覚情報の変化として出力する構成と、視覚情報生成部２１ａ及び表示装置２２ａからなり血流情報の変化を視覚情報の変化として出力する構成とを具備して構成される。 As shown in FIG. 5, the information notification unit 20c in the present embodiment includes a hearing information generation unit 21 and a speaker 22, and outputs a change in blood flow information as a change in auditory information, a visual information generation unit 21a, and a display. And a device configured to output a change in blood flow information as a change in visual information.
　以上のように構成された血流検出装置１によれば、使用者は、聴覚情報及び視覚情報の２つの情報の変化によって、使用者の周囲の環境の変化に影響されることなく、確実に生体のプローブ部２の超音波送受部２ａを当接させた部位の内部における血流情報を知ることができる。 According to the blood flow detection device 1 configured as described above, the user can reliably and without being affected by changes in the environment around the user due to changes in the two information of auditory information and visual information. It is possible to know blood flow information inside the portion of the living body probe unit 2 where the ultrasonic transmission / reception unit 2a is in contact.
（第５の実施形態）
　以下に、本発明の第５の実施形態を説明する。第５の実施形態は、超音波トランスデューサ３の別の形態を示すものである。第５の実施形態は、上述した第１の実施形態に対して超音波トランスデューサの構成のみが異なる。よって、以下ではこの相違点のみを説明するものとし、また、第１の実施形態と同様の構成要素については同一の符号を付し、その説明を適宜に省略するものとする。 (Fifth embodiment)
The fifth embodiment of the present invention will be described below. The fifth embodiment shows another form of the ultrasonic transducer 3. The fifth embodiment differs from the first embodiment described above only in the configuration of the ultrasonic transducer. Therefore, only this difference will be described below, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
　本実施形態の超音波トランスデューサ３ａは、複数の超音波トランスデューサを具備して構成される。具体的には、図６に示すように、超音波トランスデューサ３ａは、拡散型超音波トランスデューサ３ｂと、その周囲に設けられた収束型超音波トランスデューサ３ｃを具備して構成されている。 The ultrasonic transducer 3a of the present embodiment includes a plurality of ultrasonic transducers. Specifically, as shown in FIG. 6, the ultrasonic transducer 3a includes a diffusion type ultrasonic transducer 3b and a converging type ultrasonic transducer 3c provided around the ultrasonic transducer 3b.
　拡散型超音波トランスデューサ３ｂ及び収束型超音波トランスデューサ３ｃの違いは、それぞれが送信する超音波の収束の度合いである。拡散型超音波トランスデューサ３ｂは、収束型超音波トランスデューサ３ｃに比してより広い範囲に超音波を送信可能である。 The difference between the diffusion-type ultrasonic transducer 3b and the convergence-type ultrasonic transducer 3c is the degree of convergence of the ultrasonic waves transmitted by each. The diffusion ultrasonic transducer 3b can transmit ultrasonic waves in a wider range than the convergent ultrasonic transducer 3c.
　そして、図示しない制御部１０に配設された超音波送受信回路部１１は、この拡散型超音波トランスデューサ３ｂ及び収束型超音波トランスデューサ３ｃを選択的に切り替えて駆動または同時に駆動させることが可能である。 The ultrasonic transmission / reception circuit unit 11 disposed in the control unit 10 (not shown) can selectively drive the diffusion type ultrasonic transducer 3b and the convergence type ultrasonic transducer 3c or drive them simultaneously. .
　本実施形態によれば、使用者は、まず広い範囲に超音波を送信可能なように超音波トランスデューサ３ａを動作させることで、生体内の血流が存在する箇所の大まかな位置を把握し、その後に、超音波を収束させて送信可能なように超音波トランスデューサ３ａを動作させることで、血流の存在する位置を素早くかつ正確に特定することができる。 According to the present embodiment, the user first operates the ultrasonic transducer 3a so as to be able to transmit ultrasonic waves over a wide range, thereby grasping the rough position of the place where blood flow in the living body exists, Thereafter, by operating the ultrasonic transducer 3a so that the ultrasonic waves can be converged and transmitted, the position where the blood flow exists can be quickly and accurately specified.
（第６の実施形態）
　以下に、本発明の第６の実施形態を説明する。第６の実施形態は、超音波トランスデューサ３が配設されるプローブ部２の別の形態を示すものである。上述した実施形態においては、プローブ部２が単体として存在する形態として説明しているが、プローブ部２は、生体に処置を施すための処置具の一部として構成されてもよい。 (Sixth embodiment)
The sixth embodiment of the present invention will be described below. 6th Embodiment shows another form of the probe part 2 by which the ultrasonic transducer 3 is arrange | positioned. In the above-described embodiment, the probe unit 2 is described as a single unit. However, the probe unit 2 may be configured as a part of a treatment tool for performing treatment on a living body.
　第６の実施形態は、上述した実施形態に対してプローブ部の構成のみが異なる。よって、以下ではこの相違点のみを説明するものとし、また、第１の実施形態と同様の構成要素については同一の符号を付し、その説明を適宜に省略するものとする。 The sixth embodiment differs from the above-described embodiment only in the configuration of the probe unit. Therefore, only this difference will be described below, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
　本実施形態のプローブ部２は、処置具３０の先端部３１に設けられている。本実施形態の処置具３０の形態は、特に限定されるものではないが、鉗子、穿刺針、メスまたはトロッカー等が適用され得る。 The probe unit 2 of the present embodiment is provided at the distal end portion 31 of the treatment instrument 30. Although the form of the treatment tool 30 of this embodiment is not specifically limited, forceps, a puncture needle, a knife, a trocar, etc. may be applied.
　一例として、図７に示すように処置具３０が、両開き型の先端部３１を有する鉗子である場合を説明する。図７に示す処置具３０では、鉗子の先端部３１の少なくとも一部がプローブ部２として構成される。 As an example, a case will be described in which the treatment tool 30 is a forceps having a double-opening tip 31 as shown in FIG. In the treatment instrument 30 shown in FIG. 7, at least a part of the distal end portion 31 of the forceps is configured as the probe portion 2.
　このように、処置具３０の先端部３１にプローブ部２を配設することにより、使用者は、処置具３０を使用する直前に、当該処置具３０を用いて生体の出血の少ない箇所を特定することができ、より迅速に処置を実施することが可能となる。 As described above, by arranging the probe unit 2 at the distal end portion 31 of the treatment tool 30, the user specifies a portion where there is little bleeding of the living body using the treatment tool 30 immediately before using the treatment tool 30. This makes it possible to perform treatment more quickly.
　なお、プローブ部２は、処置具に限らず、内視鏡の挿入部に設けられてもよい。 In addition, the probe part 2 may be provided not only in a treatment tool but in the insertion part of an endoscope.
（第７の実施形態）
　以下に、本発明の第７の実施形態を説明する。第７の実施形態は、超音波トランスデューサ３が配設されるプローブ部２の別の形態を示すものである。第７の実施形態は、上述した実施形態に対してプローブ部の構成のみが異なる。よって、以下ではこの相違点のみを説明するものとし、また、第１の実施形態と同様の構成要素については同一の符号を付し、その説明を適宜に省略するものとする。 (Seventh embodiment)
The seventh embodiment of the present invention will be described below. 7th Embodiment shows another form of the probe part 2 by which the ultrasonic transducer 3 is arrange | positioned. The seventh embodiment differs from the above-described embodiment only in the configuration of the probe unit. Therefore, only this difference will be described below, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
　本実施形態のプローブ部２は、処置具４２を収容する筒形状のシース４０の先端部４１の生体に当接可能な部位に設けられている。本実施形態の処置具４２及びそれを覆うシース４０の形態は、特に限定されるものではないが、例えば、処置具４２にはシース４０の先端から突没可能に収容された鉗子、穿刺針、メス等が適用され得る。 The probe portion 2 of the present embodiment is provided at a portion of the distal end portion 41 of the cylindrical sheath 40 that accommodates the treatment instrument 42 that can contact the living body. The form of the treatment instrument 42 and the sheath 40 covering the treatment instrument 42 of the present embodiment is not particularly limited. For example, a forceps, a puncture needle, A scalpel or the like can be applied.
　一例として、図８に示すように処置具４２が、筒形状のシース４０から突没可能に構成されたメスである場合を説明する。図８及び図９に示すように、本実施形態では、シース４０の先端部４１の少なくとも一部がプローブ部２として構成される。 As an example, a case will be described in which the treatment instrument 42 is a knife configured to be able to project and retract from the cylindrical sheath 40 as shown in FIG. As shown in FIGS. 8 and 9, in this embodiment, at least a part of the distal end portion 41 of the sheath 40 is configured as the probe portion 2.
　このように、処置具４２を収容するシース４０の生体に当接可能な部位にプローブ部２を配設することにより、使用者は、処置具４２を使用する直前に、当該処置具４２を収容したシース４０を用いて生体の出血の少ない箇所を特定することができ、より迅速に処置を実施することが可能となる。 In this way, by arranging the probe portion 2 at a portion of the sheath 40 that accommodates the treatment instrument 42 that can contact the living body, the user accommodates the treatment instrument 42 immediately before using the treatment instrument 42. Using the sheath 40, it is possible to identify a portion of the living body where there is little bleeding, and it is possible to perform treatment more quickly.
（第８の実施形態）
　以下に、本発明の第８の実施形態を説明する。第８の実施形態は、超音波トランスデューサ３が配設されるプローブ部２の別の形態を示すものである。第８の実施形態は、上述した実施形態に対してプローブ部の構成のみが異なる。よって、以下ではこの相違点のみを説明するものとし、また、第１の実施形態と同様の構成要素については同一の符号を付し、その説明を適宜に省略するものとする。 (Eighth embodiment)
The eighth embodiment of the present invention will be described below. The eighth embodiment shows another form of the probe unit 2 in which the ultrasonic transducer 3 is disposed. The eighth embodiment differs from the above-described embodiment only in the configuration of the probe unit. Therefore, only this difference will be described below, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
　図１０に示すように、本実施形態のプローブ部２は、生体内に導入可能な内視鏡５０の挿入部に設けられた管路５１内に挿通可能であって、かつ該管路５１の先端側開口から生体内に突没可能に構成されている。 As shown in FIG. 10, the probe unit 2 of the present embodiment can be inserted into a conduit 51 provided in an insertion portion of an endoscope 50 that can be introduced into a living body, and It is configured to be able to protrude into the living body from the distal end side opening.
　なお、内視鏡５０の形態は特に限定されるものではなく、可撓性を有する挿入部を有する内視鏡に限らず、硬性鏡であってもよい。 The form of the endoscope 50 is not particularly limited, and is not limited to an endoscope having a flexible insertion section, and may be a rigid endoscope.
　このように、内視鏡５０に設けられた管路５１を介して生体内に突没可能に構成されたプローブ部２を用いることにより、使用者は、内視鏡５０を用いた処置を生体に対して実施する際に、出血の少ない箇所を超音波観察装置を用いることなく特定することができる。 In this way, by using the probe unit 2 configured to be able to project and retract into the living body via the conduit 51 provided in the endoscope 50, the user can perform treatment using the endoscope 50 in the living body. Can be performed without using an ultrasonic observation apparatus.
（第９の実施形態）
　以下に、本発明の第９の実施形態を説明する。第９の実施形態は、第８の実施形態の血流検出装置１の別の形態を示すものである。第９の実施形態は、上述した第８の実施形態に対して制御部１０の構成が主に異なる。よって、以下ではこの相違点のみを説明するものとし、また、第８の実施形態と同様の構成要素については同一の符号を付し、その説明を適宜に省略するものとする。 (Ninth embodiment)
The ninth embodiment of the present invention will be described below. The ninth embodiment shows another form of the blood flow detection device 1 of the eighth embodiment. The ninth embodiment is mainly different from the above-described eighth embodiment in the configuration of the control unit 10. Therefore, only this difference will be described below, and the same components as those in the eighth embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
　図１１に示すように、本実施形態の内視鏡５０は、生体内を電子的に撮像する撮像装置５２を具備し、生体内の光学画像を内視鏡画像生成部５３により生成して画像表示装置２４に表示する。 As shown in FIG. 11, the endoscope 50 according to the present embodiment includes an imaging device 52 that electronically images the inside of a living body, and an in-vivo optical image is generated by an endoscope image generating unit 53 to generate an image. It is displayed on the display device 24.
　一方、プローブ部２は、第８の実施形態と同様に生体内に導入可能な内視鏡５０の挿入部に設けられた管路５１内に挿通可能であって、かつ該管路５１の先端側開口から生体内に突没可能に構成されている。 On the other hand, the probe portion 2 can be inserted into a conduit 51 provided in an insertion portion of an endoscope 50 that can be introduced into a living body, as in the eighth embodiment, and the distal end of the conduit 51 It is configured to be able to protrude into the living body from the side opening.
　また、制御部１０の情報通知部２０ｄは、視覚情報生成部２１ｄ及び合成回路部２３を具備して構成されている。視覚情報生成部２１ｄは、血流情報演算部１２から入力される血流情報の変化を、画像表示装置２４に表示可能な視覚情報に変換し、該視覚情報を合成回路部２３へ出力する。 The information notification unit 20d of the control unit 10 includes a visual information generation unit 21d and a synthesis circuit unit 23. The visual information generation unit 21 d converts the change in blood flow information input from the blood flow information calculation unit 12 into visual information that can be displayed on the image display device 24, and outputs the visual information to the synthesis circuit unit 23.
　合成回路部２３は、内視鏡５０により撮像され内視鏡画像生成部５３から出力された生体内の光学画像に、視覚情報生成部２１ｄから出力された血流情報を合成して画像表示装置２４に出力する。 The synthesizing circuit unit 23 synthesizes blood flow information output from the visual information generating unit 21d with the in-vivo optical image captured by the endoscope 50 and output from the endoscopic image generating unit 53, and is an image display device. 24.
　すなわち、本実施形態においては、血流検出装置１によって使用者に通知される血流情報は、内視鏡５０により得られる光学画像と同一の表示画面上に視覚情報として表示される。 That is, in this embodiment, blood flow information notified to the user by the blood flow detection device 1 is displayed as visual information on the same display screen as the optical image obtained by the endoscope 50.
　画像表示装置２４において血流情報の変化を視覚的に使用者に通知するための表示形態は特に限定されるものではないが、例えば血流情報の変化に応じて長さが変化するバーグラフ状の形態や、血流情報の変化に応じて色が変わる形態等が考えられる。 The display form for visually notifying the user of a change in blood flow information in the image display device 24 is not particularly limited. For example, a bar graph shape whose length changes according to a change in blood flow information is used. Or a form in which the color changes in accordance with changes in blood flow information.
　画像表示装置２４における血流情報の表示の形態の一例を、図１２を参照して説明する。図１２において、画像表示装置２４の表示部２４ａには、内視鏡５０の撮像装置５２によって撮像された光学画像６０が表示される。そして、光学画像６０に隣接して、血流情報の変化に応じて上下方向の長さが変化するバーグラフ６１が表示される。また、さらに血流情報の変化に応じて、背景画像６２の色が変化する。 An example of the display form of blood flow information on the image display device 24 will be described with reference to FIG. In FIG. 12, the optical image 60 captured by the imaging device 52 of the endoscope 50 is displayed on the display unit 24 a of the image display device 24. Then, adjacent to the optical image 60, a bar graph 61 whose vertical length changes in accordance with changes in blood flow information is displayed. Furthermore, the color of the background image 62 changes according to the change in blood flow information.
　例えば血流情報演算部１２から入力される血流情報が血流の速度の最大値である場合、バーグラフ６１は、血流の速度の最大値が大きいほど上方へ伸びる。また、背景画像６２は、その色が緑色から黄色の間で変化することが可能であって、血流の速度の最大値が大きいほど色が黄色側に変化し、血流の速度の最大値が小さいほど、緑色側に変化する。 For example, when the blood flow information input from the blood flow information calculation unit 12 is the maximum value of the blood flow velocity, the bar graph 61 extends upward as the blood flow velocity maximum value increases. Further, the background image 62 can change in color between green and yellow, and the color changes to the yellow side as the maximum value of the blood flow speed increases, and the maximum value of the blood flow speed increases. The smaller the is, the more it changes to the green side.
　このように、内視鏡５０の光学画像を表示する画像表示装置２４の表示部に、同時に血流情報に応じて変化する視覚情報を表示することにより、使用者は、プローブ部２の超音波送受部２ａを当接させる箇所を視覚的に確認しながら、処置を生体に対して実施する際に、出血の少ない箇所を超音波観察装置を用いることなく特定することができる。 In this way, by displaying visual information that changes according to blood flow information on the display unit of the image display device 24 that displays the optical image of the endoscope 50 in this manner, the user can detect the ultrasonic waves of the probe unit 2. When the treatment is performed on the living body while visually confirming the place where the transmission / reception unit 2a is brought into contact, it is possible to identify a place with less bleeding without using an ultrasonic observation apparatus.
　なお、本実施形態の血流検出装置は、聴覚情報及び触覚情報の変化により血流情報の変化を使用者に通知する構成をさらに具備する構成であってもよいことは言うまでもない。 In addition, it cannot be overemphasized that the blood-flow detection apparatus of this embodiment may be further equipped with the structure which notifies a user of the change of blood-flow information by the change of auditory information and tactile information.
（第１０の実施形態）
　以下に、本発明の第１０の実施形態を説明する。第１０の実施形態は、超音波トランスデューサ３が配設されるプローブ部２の別の形態を示すものである。上述した第８の実施形態においては、プローブ部２は、それ単体のみが内視鏡５０の管路５１を介して生体内に突没可能に構成された形態として説明しているが、プローブ部２は、生体に処置を施すための処置具の一部として構成されてもよい。 (Tenth embodiment)
The tenth embodiment of the present invention will be described below. 10th Embodiment shows another form of the probe part 2 by which the ultrasonic transducer 3 is arrange | positioned. In the above-described eighth embodiment, the probe unit 2 is described as a configuration in which only the probe unit 2 is configured to be able to project and retract into the living body via the duct 51 of the endoscope 50. 2 may be configured as a part of a treatment tool for performing treatment on a living body.
　第１０の実施形態は、上述した実施形態に対してプローブ部の構成のみが異なる。よって、以下ではこの相違点のみを説明するものとし、また、第８の実施形態と同様の構成要素については同一の符号を付し、その説明を適宜に省略するものとする。 The tenth embodiment differs from the above-described embodiment only in the configuration of the probe unit. Therefore, only this difference will be described below, and the same components as those in the eighth embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
　本実施形態のプローブ部２は、内視鏡５０の管路５１内に挿通可能であって生体内に突没可能に構成された処置具７０の先端部に設けられている。本実施形態の処置具７０の形態は、特に限定されるものではないが、鉗子、穿刺針、メスまたは縫合具等が適用され得る。 The probe unit 2 of the present embodiment is provided at the distal end portion of a treatment instrument 70 that can be inserted into the duct 51 of the endoscope 50 and can be projected and retracted into the living body. Although the form of the treatment tool 70 of this embodiment is not specifically limited, Forceps, a puncture needle, a scalpel, a suture tool, etc. can be applied.
　一例として、図１３に示すように処置具７０が、片開き型の先端部７１を有する鉗子である場合を説明する。図１３に示す処置具７０では、鉗子の先端部７１の少なくとも一部がプローブ部２として構成される。 As an example, a case will be described in which the treatment instrument 70 is a forceps having a single-opening tip 71 as shown in FIG. In the treatment instrument 70 shown in FIG. 13, at least a part of the distal end portion 71 of the forceps is configured as the probe portion 2.
　このように、内視鏡５０の管路５１に挿通可能な処置具７０の生体に当接可能な部位にプローブ部２を配設することにより、使用者は、処置具７０を使用する直前に、当該処置具７０を用いて生体の出血の少ない箇所を特定することができ、より迅速に処置を実施することが可能となる。 As described above, the probe unit 2 is disposed at a portion of the treatment instrument 70 that can be inserted into the duct 51 of the endoscope 50 so as to be in contact with the living body. Since the treatment tool 70 can be used to identify a portion of the living body where there is little bleeding, the treatment can be performed more quickly.
　なお、図１３においては、超音波トランスデューサ３が処置具７０の先端部７１において軸方向に面して配設されているが、超音波トランスデューサ３は、図１４に示すように、処置具７０の先端部７１の側方に面して配設される構成であってもよい。 In FIG. 13, the ultrasonic transducer 3 is disposed facing the axial direction at the distal end portion 71 of the treatment instrument 70, but the ultrasonic transducer 3 of the treatment instrument 70 is arranged as shown in FIG. 14. The structure arrange | positioned facing the side of the front-end | tip part 71 may be sufficient.
　なお、プローブ部２は、内視鏡５０の管路５１に挿通可能であって、かつ処置具７０を収容する筒形状のシースの先端部に設けられてもよい。この場合、シースの形態は特に限定されるものではないが、穿刺針、縫合具またはガイドワイヤ等を収容する形態が考えられる。 The probe unit 2 may be inserted into the duct 51 of the endoscope 50 and may be provided at the distal end of a cylindrical sheath that houses the treatment instrument 70. In this case, the form of the sheath is not particularly limited, but a form for accommodating a puncture needle, a suture tool, a guide wire, or the like is conceivable.
（第１１の実施形態）
　以下に、本発明の第１１の実施形態を説明する。第１１の実施形態は、超音波トランスデューサ３が配設されるプローブ部２の別の形態を示すものである。第１１の実施形態は、上述した第１０の実施形態に対してプローブ部の構成のみが異なる。よって、以下ではこの相違点のみを説明するものとし、また、第１０の実施形態と同様の構成要素については同一の符号を付し、その説明を適宜に省略するものとする。 (Eleventh embodiment)
The eleventh embodiment of the present invention will be described below. The eleventh embodiment shows another form of the probe unit 2 in which the ultrasonic transducer 3 is disposed. The eleventh embodiment differs from the tenth embodiment described above only in the configuration of the probe portion. Therefore, only this difference will be described below, and the same components as those in the tenth embodiment are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.
　図１５に示すように、第１１の実施形態においては、プローブ部２は、内視鏡５０の管路５１に挿通可能なガイドワイヤである処置具７０ａの先端部７１ａに配設されている。 As shown in FIG. 15, in the eleventh embodiment, the probe unit 2 is disposed at the distal end portion 71 a of the treatment instrument 70 a that is a guide wire that can be inserted into the duct 51 of the endoscope 50.
　本実施形態においては、処置具７０の基端側には、内部に挿通された導電線を介して超音波トランスデューサ３に電気的に接続された電極７２が、側面に露出するように配設されている。 In the present embodiment, an electrode 72 electrically connected to the ultrasonic transducer 3 via a conductive wire inserted inside is disposed on the proximal end side of the treatment instrument 70 so as to be exposed on the side surface. ing.
　処置具７０の側面に露出した電極７２は、当該電極７２の周囲を着脱可能に挟持するクリップ７４の内側に配設された電極７３に当接することで、制御部１０に電気的に接続される。 The electrode 72 exposed on the side surface of the treatment instrument 70 is electrically connected to the control unit 10 by coming into contact with an electrode 73 disposed inside a clip 74 that removably holds the periphery of the electrode 72. .
　本実施形態においては、生体の出血の少ない箇所を特定する場合には、クリップ７４をガイドワイヤ７０ａに装着し、プローブ部２の超音波送受部２ａを生体に当接させる。一方、ガイドワイヤ７０ａを使用する場合には、クリップ７４をガイドワイヤ７０ａから取り外す。 In this embodiment, in order to specify a portion with less bleeding of the living body, the clip 74 is attached to the guide wire 70a, and the ultrasonic transmission / reception unit 2a of the probe unit 2 is brought into contact with the living body. On the other hand, when using the guide wire 70a, the clip 74 is removed from the guide wire 70a.
　なお、本発明は、上述した実施形態に限られるものではなく、請求の範囲及び明細書全体から読み取れる発明の要旨或いは思想に反しない範囲で適宜変更可能であり、そのような変更を伴う血流検出装置もまた本発明の技術的範囲に含まれるものである。 The present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the gist or concept of the invention that can be read from the claims and the entire specification. The detection device is also included in the technical scope of the present invention.
　本出願は、２００８年１０月７日に日本国に出願された特願２００８－２６０９２６号を優先権主張の基礎として出願するものであり、上記の開示内容は、本願明細書、請求の範囲、図面に引用されたものとする。 This application is filed on the basis of the priority claim of Japanese Patent Application No. 2008-260926 filed in Japan on October 7, 2008, and the above disclosure is disclosed in the present specification, claims, It shall be cited in the drawing.

Claims (7)

  1. 　超音波トランスデューサを具備し、生体に超音波を送受可能に構成されたプローブ部と、
    　前記超音波トランスデューサを用いて超音波を前記生体に送受することにより、血流の速度、血流のパワー値、血流のボリューム及び血流が存在する領域の深さのうちの少なくとも１つからなる血流情報を算出する血流情報演算部と、
    　前記血流情報の変化を、聴覚情報、視覚情報及び触覚情報のうちの少なくとも１つの変化として出力し使用者に通知する情報通知部と、
    　を備えることを特徴とする血流検出装置。     A probe unit comprising an ultrasonic transducer and configured to transmit and receive ultrasonic waves to a living body;
    By transmitting and receiving ultrasonic waves to the living body using the ultrasonic transducer, from at least one of blood flow velocity, blood flow power value, blood flow volume, and depth of the region where the blood flow exists A blood flow information calculation unit for calculating blood flow information,
    An information notification unit that outputs the change in the blood flow information as a change in at least one of auditory information, visual information, and tactile information and notifies the user;
    A blood flow detection device comprising:
  2. 　前記プローブ部は、前記生体に処置を施すための処置具の先端部に配設されることを特徴とする請求項１に記載の血流検出装置。 2. The blood flow detection device according to claim 1, wherein the probe portion is disposed at a distal end portion of a treatment tool for performing treatment on the living body.
  3. 　前記プローブ部は、前記生体に処置を施すための処置具を収容する筒形状のシースの先端部に配設されることを特徴とする請求項１に記載の血流検出装置。 2. The blood flow detection device according to claim 1, wherein the probe portion is disposed at a distal end portion of a cylindrical sheath that houses a treatment tool for performing treatment on the living body.
  4. 　前記プローブ部は、前記生体内に導入可能な内視鏡の先端部に設けられた管路から前記生体内に突没可能であることを特徴とする請求項１に記載の血流検出装置。 The blood flow detection device according to claim 1, wherein the probe part can project and retract into the living body from a conduit provided at a distal end portion of an endoscope that can be introduced into the living body.
  5. 　前記プローブ部は、前記生体内に導入可能な内視鏡の先端部に設けられた管路から前記生体内に突没可能な処置具の先端部に配設されることを特徴とする請求項１に記載の血流検出装置。 The probe section is disposed at a distal end portion of a treatment tool that can project and retract into the living body from a conduit provided at a distal end portion of an endoscope that can be introduced into the living body. 1. The blood flow detection device according to 1.
  6. 　前記プローブ部は、前記生体内に導入可能な内視鏡の先端部に設けられた管路から前記生体内に突没可能であって、かつ処置具を収容する筒形状のシースの先端部に配設されることを特徴とする請求項１に記載の血流検出装置。 The probe portion can be projected and retracted into a living body from a pipe line provided at a distal end portion of an endoscope that can be introduced into the living body, and is attached to a distal end portion of a cylindrical sheath that accommodates a treatment instrument. The blood flow detection device according to claim 1, wherein the blood flow detection device is disposed.
  7. 　前記情報通知部は、前記視覚情報を前記内視鏡により撮像された光学画像と合成して表示部に出力する合成回路部を具備することを特徴とする、請求項５または６に記載の血流検出装置。 The blood according to claim 5 or 6, wherein the information notification unit includes a combining circuit unit that combines the visual information with an optical image captured by the endoscope and outputs the combined image to a display unit. Flow detection device.
PCT/JP2009/067348 2008-10-07 2009-10-05 Bloodstream detecting device WO2010041629A1 (en)

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