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WO2018004019A1 - Instrument médical de déplacement de fluide à profondeur réglable utilisant un capteur de distance à lumière réfléchie et son procédé de commande - Google Patents

Instrument médical de déplacement de fluide à profondeur réglable utilisant un capteur de distance à lumière réfléchie et son procédé de commande Download PDF

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Publication number
WO2018004019A1
WO2018004019A1 PCT/KR2016/006845 KR2016006845W WO2018004019A1 WO 2018004019 A1 WO2018004019 A1 WO 2018004019A1 KR 2016006845 W KR2016006845 W KR 2016006845W WO 2018004019 A1 WO2018004019 A1 WO 2018004019A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle
distance sensor
depth
distance
fluid movement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2016/006845
Other languages
English (en)
Korean (ko)
Inventor
김창석
정명영
김도원
김규정
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University Industry Cooperation Foundation of Pusan National University
Original Assignee
University Industry Cooperation Foundation of Pusan National University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University Industry Cooperation Foundation of Pusan National University filed Critical University Industry Cooperation Foundation of Pusan National University
Priority to PCT/KR2016/006845 priority Critical patent/WO2018004019A1/fr
Publication of WO2018004019A1 publication Critical patent/WO2018004019A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/46—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for controlling depth of insertion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/48—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for varying, regulating, indicating or limiting injection pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • G01C3/06—Use of electric means to obtain final indication

Definitions

  • the present invention relates to a medical device, and more specifically, to a depth-controlled fluid movement medical tool using a reflected light distance sensor that allows the insertion of a needle to an accurate depth based on information of a distance measured by light reflected from a biological boundary membrane. And a control method thereof.
  • a medical device including a syringe is used in the medical field for treatment or biopsy.
  • the practitioner must determine the insertion position and the degree of insertion of the syringe needle in accordance with personal judgment according to the experience of the treatment. Therefore, if a medical practitioner lacks medical experience, the syringe needle may be inserted into the patient several times without finding the exact location to inject, which causes pain to the patient.
  • a medical accident can be caused by a wrong decision of a medical person.
  • treating or diagnosing a patient is a very important task directly related to the patient's life. Therefore, it is very difficult to accurately insert a needle into a patient because it requires considerable experience and skills from a medical practitioner.
  • Korean Patent Publication No. 10-2009-0114102 discloses a method of inserting a syringe needle by grafting a medical image, which requires a control unit to be combined with an image of a needle, thereby causing a large amount of data and a high recognition rate of 3D information. There is.
  • Korean Patent Publication No. 10-2013-0092560 is possible to correct the movement of the surgical instruments outside the biological boundary through the surface tracking, but there is a problem that does not apply to the internal insertion of the syringe needle.
  • the present invention is to solve the problem of the insertion position control technology of the prior art syringe needle, it is possible to insert the injection needle to the correct depth based on the information of the distance measured by the light reflected from the biological boundary membrane It is an object of the present invention to provide a depth control fluid movement medical tool using a reflected light distance sensor and a control method thereof.
  • the present invention can be inserted to the needle to the correct depth, and using the reflected light distance sensor to safely insert the external liquid or gas into the living body through the needle or to safely collect the liquid or gas inside the living body to the outside It is an object of the present invention to provide a depth control fluid movement medical tool and a control method thereof.
  • the present invention configures a syringe including a distance sensor optical fiber and controls the movement of the fluid inside and through the needle through the needle for fluid movement, and inserts the injection needle to the correct depth and safely inserts the liquid or gas into the living body.
  • An object of the present invention is to provide a depth control fluid movement medical tool and a control method thereof using a reflected light distance sensor that can be collected outside.
  • the present invention comprises an optical fiber attached to the needle having a fixed distance to the most end of the needle and is composed of the end of the needle and the in vivo boundary using the end of the optical fiber located outside the outer boundary membrane SUMMARY OF THE INVENTION
  • An object of the present invention is to provide a depth control fluid movement medical tool using a reflected light distance sensor that outputs a signal measuring a relative distance of a membrane, and a control method thereof.
  • Depth control fluid movement medical tool using a reflected light distance sensor is a handpiece for injecting or extracting fluid; a needle fixed to the handpiece is inserted into the living body one end exposed; Distance sensor optical fiber having a fixed distance to the most end of the needle and attached to the needle to measure the axial distance according to the insertion of the needle; For fluid movement to control the movement of the fluid and the inside of the living body through the needle A pressure sensor; A distance sensor measuring unit for outputting a signal for measuring the relative distance between the end of the needle and the in vivo boundary membrane located in the ex vivo boundary membrane by using the optical fiber end located outside the ex vivo boundary membrane through the distance sensor optical fiber. Characterized in that.
  • the handpiece is directly attached to the needle, characterized in that for adjusting the axial depth of the end of the needle with the movement of the hand based on the signal output from the distance sensor measuring unit.
  • the handpiece may be attached through a needle and a drive assembly, and adjust the axial depth of the tip of the needle to the movement of the drive assembly based on a signal output from the distance sensor measuring unit.
  • a drive controller in communication with the drive assembly to move the needle.
  • the drive assembly is characterized in that it comprises a piezo-electric micro motor.
  • a data processor communicating with the distance sensor measuring unit so as to receive a signal output from the distance sensor measuring unit for measuring the distance, wherein the data processor is configured to determine the distance measurement result from the distance sensor measuring unit. The axial depth of the needle tip is adjusted accordingly.
  • the fluid moving pressure unit may be used as a means for applying a pressure for injecting a fluid into a living body or for applying a pressure for collecting a fluid out of a living body.
  • the distance sensor measuring unit may further include a light source optically connected to the distance sensor optical fiber and an optical detector optically connected to the distance sensor optical fiber.
  • the light source may be a super light emitting diode.
  • the light source may be a wavelength swept laser
  • the light detector may be a photodetector
  • the light detector is characterized in that the spectrometer.
  • the fluid is characterized in that it comprises a gas or a liquid or a gas and a liquid.
  • the control method of the depth-controlled fluid movement medical tool using the reflected light distance sensor according to the present invention for achieving another object is a distance sensor optical fiber located outside the outer boundary of the membrane, while inserting a syringe including a needle and the distance sensor optical fiber to the living body Measuring the relative distance between the tip of the needle located in the ex vivo boundary membrane and the in vivo boundary membrane by adjusting the axial depth of the tip of the needle based on the signal output from the distance sensor measurement unit; Determining whether the needle is inserted to a desired depth based on the signal output from the distance sensor measuring unit; injecting the fluid into the body through the needle or injecting the fluid, if it is determined that the needle is inserted to a desired depth; It is characterized in that it comprises a; extracting in vitro.
  • the depth adjustment of the needle characterized in that for adjusting the axial depth of the end of the needle with the movement of the operator's hand based on the signal output from the distance sensor measuring unit.
  • the depth of the needle may be adjusted by adjusting the axial depth of the tip of the needle by the movement of the driving assembly based on the signal output from the distance sensor measuring unit.
  • the depth control fluid movement medical tool and the control method using the reflected light distance sensor according to the present invention has the following effects.
  • the injection needle can be inserted to the correct depth based on the information of the distance measured by the light reflected from the biological boundary membrane.
  • the needle can be inserted to the correct depth, and the needle can safely insert the external liquid or gas into the living body or collect the liquid or gas inside the living body.
  • syringe including a distance sensor optical fiber and through the injection of the fluid movement to adjust the movement of the fluid and the inside of the body through the injection needle to enable the insertion of the injection needle to the correct depth.
  • the output signal to measure the relative distance between the end of the needle and the border of the border inside the outer border can be increased safety.
  • FIG. 1 is a block diagram of a depth control fluid movement medical tool using a reflected light distance sensor according to the present invention
  • Figure 2 is an overall configuration of the depth control fluid movement medical tool using a reflected light distance sensor according to the present invention
  • Figure 3 is a flow chart for the control of the depth control fluid movement medical tool using the reflected light distance sensor according to the present invention
  • FIG. 1 is a block diagram of a depth control fluid movement medical tool using a reflected light distance sensor according to the present invention
  • Figure 2 is an overall configuration of the depth control fluid movement medical tool using a reflected light distance sensor according to the present invention.
  • the present invention is to safely control the depth when the needle is inserted into the living body can be inserted into the needle to the correct depth based on the information of the distance measured by the light reflected from the biological boundary membrane, through the needle It is designed to safely insert external liquids or gases into the living body or to safely collect liquids or gases inside the living body.
  • the depth adjusting syringe system is a syringe comprising a hand piece and a needle, and the needle and the hand piece to move the needle in the axial direction with respect to the hand piece. And a drive assembly for connecting.
  • Such a depth-controlled syringe system also includes a distance sensor that includes an optical fiber, one end of which is fixed to the most end of the needle and attached to the needle.
  • the distance sensor outputs a signal for measuring the distance from the most end of the scanning needle to the object.
  • the depth control fluid movement medical tool using the reflected light distance sensor is fixed to the handpiece 11 and the handpiece 11 constituting the syringe body, as shown in FIGS.
  • Distance sensor optical fiber that is attached to the needle 10 through the optical fiber attachment portion 12 of the needle 10 and the needle 10 exposed at one end to measure the distance according to the insertion of the needle 10 (13), the fluid movement pressure portion 14 for controlling the movement of the fluid and the inside of the living body through the needle 10, and the needle having a fixed distance from the most end of the needle 10 ( 10) the end of the needle and the inside boundary membrane (B) (C) located in the outside boundary membrane (A) by using the optical fiber tip located outside the outside boundary membrane (A) through the distance sensor optical fiber 13 attached to the 10).
  • Distance sensor measuring unit 15 for outputting a signal for measuring the relative distance of the Include.
  • the handpiece 11 is directly attached to the needle 10 to adjust the axial depth of the tip of the needle 10 by the movement of the hand using the signal output from the distance sensor measuring unit 15. It is for.
  • the handpiece 11 is attached to the needle 10 through the driving assembly and moves the driving assembly to the axial depth of the tip of the needle 10 by using the signal output from the distance sensor measuring unit 15. It is also possible to configure to adjust.
  • a drive controller in communication with the drive assembly to move the needle 10 of the depth control fluid movement medical tool using the reflected light distance sensor according to the present invention.
  • Such a drive assembly preferably comprises a piezo-electric micro motor.
  • the depth control fluid movement medical tool using the reflected light distance sensor communicates with the distance sensor measuring unit 15 to receive a signal output from the distance sensor measuring unit 15 to measure the distance. It is also possible to further include a data processor.
  • the data processor communicates with the drive assembly and the drive controller to adjust the axial depth of the needle tip in accordance with the measurement result of the distance.
  • the fluid moving pressure unit 14 may be used as a means for applying a pressure for injecting a fluid into a living body or for applying a pressure for collecting a fluid out of a living body.
  • the distance sensor measuring unit 15 further includes a light source optically connected to the distance sensor optical fiber 13 and a light detector optically connected to the distance sensor optical fiber 13.
  • the light source is preferably a super light emitting diode, but is not limited thereto.
  • the light source is a wavelength swept laser
  • the photo detector is a photodetector
  • the said photodetector is a spectrometer.
  • the injection needle 10 may be used to insert an external fluid into the ex vivo boundary membrane, or may be used to collect an internal fluid out of the ex vivo boundary membrane, but is not limited thereto.
  • the fluid includes gas or liquid or gas and liquid.
  • the control method of the depth control fluid movement medical tool using the reflected light distance sensor according to the present invention having such a configuration is as follows.
  • FIG. 3 is a flow chart for the control of the depth adjustment fluid movement medical tool using the reflected light distance sensor according to the present invention.
  • the axial depth of the tip of the injection needle 10 is adjusted based on the signal output from the distance sensor measuring unit 15 to be inserted into the living body.
  • the fluid moving pressure unit 14 is driven to apply a pressure to inject the fluid into the living body (S306).
  • the fluid moving pressure unit 14 is driven to apply a pressure to collect the fluid out of the living body (S308).
  • the depth of the needle 10 is adjusted by the operator by moving the handpiece 11 to change the axial depth of the tip of the needle 10 on the basis of the signal output from the distance sensor measuring unit 15. If the drive assembly is configured, or the drive assembly is configured based on the signal output from the distance sensor measuring unit 15 to adjust the axial depth of the end of the needle 10 to the movement of the drive assembly.
  • the depth control fluid movement medical tool and the control method thereof using the reflected light distance sensor according to the present invention as described above are for safely controlling the depth when the needle is inserted into the living body. Based on the information, the needle can be inserted to a precise depth, and the needle can safely insert an external liquid or gas into the living body or safely collect the liquid or gas inside the living body.
  • the present invention relates to a depth control fluid movement medical tool using a reflected light distance sensor and a method of controlling the same, which allow the injection needle to be inserted to an accurate depth based on the information of the distance measured by the light reflected from the biological boundary membrane.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Vascular Medicine (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

La présente invention concerne un instrument médical de déplacement de fluide à profondeur réglable utilisant un capteur de distance à lumière réfléchie capable d'introduire une aiguille de seringue à une profondeur précise sur la base d'informations de distance mesurées par la lumière réfléchie depuis une membrane délimitant un corps biologique, et un procédé de commande associé. L'instrument médical de déplacement de fluide à profondeur réglable comprend : une pièce à main pour injecter ou prélever un fluide ; une aiguille de seringue fixée à la pièce à main et dont une extrémité latérale est destinée à être insérée dans un corps biologique mis à nu ; une fibre optique de capteur de distance, fixée à l'aiguille de seringue à une distance fixe d'une partie terminale de l'aiguille de seringue, pour mesurer une distance axiale en fonction de l'insertion de l'aiguille de seringue ; une partie de pression pour déplacement de fluide qui va réguler le déplacement du fluide et l'intérieur du corps biologique à travers l'aiguille de seringue ; et une partie de mesure de capteur de distance qui produit un signal mesurant une distance relative entre la pointe de l'aiguille de seringue située à l'intérieur d'une membrane de délimitation externe et une membrane de délimitation interne du corps biologique en utilisant une extrémité de la fibre optique située à l'extérieur de la membrane de délimitation externe du corps biologique par l'intermédiaire de la fibre optique du capteur de distance.
PCT/KR2016/006845 2016-06-27 2016-06-27 Instrument médical de déplacement de fluide à profondeur réglable utilisant un capteur de distance à lumière réfléchie et son procédé de commande Ceased WO2018004019A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2016/006845 WO2018004019A1 (fr) 2016-06-27 2016-06-27 Instrument médical de déplacement de fluide à profondeur réglable utilisant un capteur de distance à lumière réfléchie et son procédé de commande

Applications Claiming Priority (1)

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PCT/KR2016/006845 WO2018004019A1 (fr) 2016-06-27 2016-06-27 Instrument médical de déplacement de fluide à profondeur réglable utilisant un capteur de distance à lumière réfléchie et son procédé de commande

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WO2018004019A1 true WO2018004019A1 (fr) 2018-01-04

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004503291A (ja) * 2000-06-13 2004-02-05 エスディージーアイ・ホールディングス・インコーポレーテッド 経皮的注射針の位置決めシステム
US20080306391A1 (en) * 2001-09-04 2008-12-11 Bioluminate, Inc. Multisensor probe for tissue identification
JP2009072425A (ja) * 2007-09-21 2009-04-09 Fuji Denki F-Tech Kk 歯科麻酔用注射器
KR20130092560A (ko) * 2010-07-20 2013-08-20 더 존스 홉킨스 유니버시티 표면 추적 및 움직임 보정 수술 도구 시스템
US20160100797A1 (en) * 2007-03-19 2016-04-14 University Of Virginia Patent Foundation Access needle with direct visualization and related methods

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004503291A (ja) * 2000-06-13 2004-02-05 エスディージーアイ・ホールディングス・インコーポレーテッド 経皮的注射針の位置決めシステム
US20080306391A1 (en) * 2001-09-04 2008-12-11 Bioluminate, Inc. Multisensor probe for tissue identification
US20160100797A1 (en) * 2007-03-19 2016-04-14 University Of Virginia Patent Foundation Access needle with direct visualization and related methods
JP2009072425A (ja) * 2007-09-21 2009-04-09 Fuji Denki F-Tech Kk 歯科麻酔用注射器
KR20130092560A (ko) * 2010-07-20 2013-08-20 더 존스 홉킨스 유니버시티 표면 추적 및 움직임 보정 수술 도구 시스템

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