WO2020096230A1 - Système d'articulation de connexion de retrait de cathéter - Google Patents

Système d'articulation de connexion de retrait de cathéter Download PDF

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Publication number
WO2020096230A1
WO2020096230A1 PCT/KR2019/013944 KR2019013944W WO2020096230A1 WO 2020096230 A1 WO2020096230 A1 WO 2020096230A1 KR 2019013944 W KR2019013944 W KR 2019013944W WO 2020096230 A1 WO2020096230 A1 WO 2020096230A1
Authority
WO
WIPO (PCT)
Prior art keywords
catheter
conductive member
connector
pullback
electrical signal
Prior art date
Application number
PCT/KR2019/013944
Other languages
English (en)
Korean (ko)
Inventor
김종원
서영석
김정현
백대열
Original Assignee
원텍 주식회사
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 원텍 주식회사 filed Critical 원텍 주식회사
Publication of WO2020096230A1 publication Critical patent/WO2020096230A1/fr

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Classifications

    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0891—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of blood vessels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/445—Details of catheter construction
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0097—Catheters; Hollow probes characterised by the hub
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M2039/1022—Tube connectors; Tube couplings additionally providing electrical connection

Definitions

  • the present invention relates to a catheter pullback connection joint system.
  • IVUS intravascular ultrasound
  • IVUS intravascular ultrasound
  • IVUS intravascular ultrasound
  • the medical image as described above is useful for diagnosis and treatment because it is possible to check the condition in the blood vessels.
  • the diameter of the ultrasound transducer should be within 1 mm, and the frequency used to acquire a high-resolution image should be high frequency in the 20-100 MHz band. That is, the device should be capable of transmitting and receiving ultrasonic waves having a small size and high frequency.
  • the intravascular image can be directly inserted into the blood vessel to visually view the inside of the vessel, so that not only the understanding of the blood vessel but also a more accurate procedure can be performed.
  • the catheter is inserted into the blood vessel and the target region is photographed to accurately diagnose the internal condition of the blood vessel, such as arteriosclerosis and calcification of the blood vessel wall.
  • OCT optical tomography
  • Another technique is a photoacoustic tomography (PhotoAcoustic Tomography) technique that uses a photoacoustic effect to non-invasively image biological tissue. Since the photoacoustic tomography imaging technology converts electromagnetic waves into ultrasonic waves and measures them, it has the advantage of mixing optical image characteristics and ultrasonic image characteristics.
  • Photoacoustic Tomography PhotoAcoustic Tomography
  • the image diagnosis technology as described above has been applied in many fields such as in the digestive system, cardiovascular systems such as coronary arteries, peripheral and neurovascular systems, skin, eyes, genital systems, chest tissue, and liver tissue.
  • cardiovascular systems such as coronary arteries, peripheral and neurovascular systems, skin, eyes, genital systems, chest tissue, and liver tissue.
  • diagnosis of the cardiovascular system using ultrasound images or tomography images is used to determine the structure and composition of arterial plaques.
  • a catheter system equipped with a pullback device is used to diagnose more precise and various lesions in a blood vessel-based image diagnosis by mixing the above-described imaging technology.
  • the catheter transmits and receives optical and ultrasonic signals from the body, and this signal is output through an imaging device through a pullback device that transports and rotates the catheter.
  • an optical fiber or an electric signal line must be used between the catheter and the pullback device for the transmission of the complex optical signal and the ultrasonic signal. It is difficult to place the accessory in a compact space between the catheter and the pullback device. Therefore, the optical fiber and the electric signal line are arranged in the tube along the length of the catheter, thereby increasing the size of the catheter structure to be inserted into the blood vessel. In addition, when the catheter is restricted from rotating and the catheter is rotated forcibly, it is a cause of twisting or disconnection of the optical fiber and the electric signal line, and there is a problem in that a medical accident occurs due to a system malfunction or incorrect signal transmission.
  • the present invention provides a technique that can simplify the connection structure of the catheter and pullback.
  • the catheter pullback connection joint system includes a tube equipped with an electric signal line, a catheter that outputs or receives an electrical signal for an acoustic signal; A connector that is coupled through the tube and includes a first conductive member to exchange electrical signals for sound signals, and wherein the electrical signal line is electrically connected to the first conductive member; And an adapter installed in the pull-back device and provided with an accommodating portion accommodating the connector, wherein the accommodating portion includes a second conductive member, and the connector is fitted to the accommodating portion to be coupled to the first conductive member and the agent. 2 Conductive members may be electrically connected.
  • the first conductive member may be provided on at least one surface of the connector, and the second conductive member may be provided on at least one surface of the receiving portion.
  • the first conductive member may be plated on the outer surface of the connector, and the second conductive member may be plated on the inner surface of the receiving portion.
  • the electrical connection between the pull-back device and the catheter eliminates the need for a separate cable, making the structure compact and stable, making manufacturing easier and reducing manufacturing cost.
  • FIG. 1 is an exploded view of a catheter pullback connection joint system according to the present invention.
  • Figure 2 is a schematic diagram showing the connection of each configuration of the catheter pullback connection joint system according to the present invention.
  • the catheter pullback connection joint system includes a catheter 100, a connector 200 and an adapter 300.
  • the catheter 100 includes a tube 120 provided with an electrical signal line 121 and outputs or receives an electrical signal for a sound wave signal.
  • the catheter 100 may include a body insertion means and an image scanning means, but the catheter 100 of the catheter fullback connection joint system according to an embodiment of the present invention will be described only for the image scanning means.
  • the catheter 100 may include a head (not shown) and a tube 120.
  • the tube 120 extends from the head to the other end and may be provided in the form of a cable including an optical signal line (not shown) and an electrical signal line 121.
  • the tube 120 of the catheter 100 may be provided with at least one tube hole 122 outside the distal end.
  • the electrical signal line 121 is pulled through the tube hole 122 and separated into two parts to be electrically connected to the first conductive member 210 of the connector 200 to be described later. Through this, the connector 200 and the catheter 100 are electrically connected.
  • light and sound wave signals in blood vessels may be output or input through the head.
  • the light transmission unit and the sound transmission unit may be located inside the head.
  • the sound wave transmitting unit is connected to one end of the electric signal line 121 adjacent to one end of the head (not shown) to perform mutual conversion of the electric signal and the sound wave signal, and may output or receive sound wave signals in blood vessels.
  • the sound wave transmitting unit may be provided as an ultrasonic transducer in which variable signal conversion is performed using a piezoelectric effect.
  • the connector 200 includes a first conductive member 210 and a connector housing 220.
  • the connector 200 is penetrated and coupled by the tube 120, and includes a first conductive member 210 on at least one surface of the connector 200 so as to exchange electrical signals for sound wave signals. 1 is electrically connected to the conductive member 210.
  • the connector 200 is accommodated in the connector housing 220, and the connector housing 220 is provided so as to be fitted to fit the receiving portion 310 of the adapter 300 described later.
  • the connector housing 220 protects the connector 200, and is provided so that the first conductive member 210 is perforated so as to be exposed to the outside so as not to interfere with the electrical connection with the adapter 300.
  • the connector 200 serves to structurally and electrically connect the catheter 100 and the adapter 300.
  • Pull-back device is a tube 120 is coupled through, guides the rotation and movement of the catheter 100, it can provide a connection terminal connected to the electrical signal line 121 in the tube 120.
  • the pull-back device includes a rotation driving module, a linear driving module, and a control module.
  • the rotation driving module includes a first motor and a rotation unit.
  • the first motor is for rotational driving
  • the rotating part is coupled through a tube 120 including an optical signal line and an electrical signal line 121, and can rotate in the circumferential direction of the tube 120 by the operation of the first motor.
  • the adapter 300 is installed in the pull-back device and is provided with a receiving portion 310 accommodating the connector.
  • the adapter 300 provides the power supplied from the pullback device to the catheter 100 or the electrical signal received from the catheter 100 to the pullback device. Structurally, it serves to combine the catheter 100 and the connector 200 with a pullback device.
  • the receiving part 310 includes a second conductive member 311 on at least one surface, and the connector housing 210 in which the connector 200 is accommodated is fitted into the receiving part 310 so that the first conductive member 210 and the first 2, the conductive member 311 is electrically connected.
  • the sound wave signal received from the sound wave transmission unit of the catheter 100 is converted into an electrical signal and transmitted along the electrical signal line, and the connector is electrically contacted with the first conductive member 210 of the connector 200 and the electrical signal line Electrical signal is transmitted to (200).
  • an electrical signal may be connected to the adapter 300 and ultimately transmitted to a pullback device and an image output device. . It is obvious that the above-described steps are reversed so that electrical signals can be transmitted to the pullback device and the imaging device (not shown).
  • the above-described electrical signal transmission process may be performed by the catheter pullback connection joint system according to the present invention.
  • the first conductive member 210 and the second conductive member 311 of the catheter pullback connection joint system according to the present invention may be provided in various ways.
  • a thin conductive coating may be provided on the connector 200 and the adapter 300, respectively, and may be provided in the form of a thin conductive metal plate.
  • the first conductive member 210 is plated on the outer surface of the connector 200
  • the second conductive member 311 is plated on the inner surface of the receiving portion 310.
  • each type of the conductive member is sufficient as long as the connector 200 and the adapter 300 can be electrically connected within a narrow structure that connects the catheter 200 and the pullback device, but at least the space is available, and can be freely selected. Do.
  • each configuration such as the catheter 100, the connector 200, and the adapter 300 is standardized, so it may not be easy to modify the shape of each configuration. Therefore, it is necessary to present a compact structure that minimizes the configuration for structural coupling and electrical contact when each configuration is densely structured compared to a general catheter system such as a catheter system in which a fusion image is acquired through ultrasonic and optical signals. There was.
  • the catheter pullback connection joint system it is possible to provide a sufficient space in a portion connecting the pullback device and the catheter 100, so that a more compact structure can be presented, and the system operates stably. And the manufacturing cost is also reduced.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Pulmonology (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

La présente invention concerne un système d'articulation de connexion de retrait de cathéter, qui est une technologie capable de simplifier une structure de connexion d'un cathéter et un retrait, comprenant un premier élément conducteur afin d'être capable d'échanger un signal électrique pour un signal d'onde sonore, et possède une forme qui présente un connecteur à travers lequel une ligne de signal électrique est électriquement reliée au premier élément conducteur et une partie d'accueil qui est disposée dans un dispositif de retrait et qui loge le connecteur à l'intérieur, et qui possède un second élément conducteur dans la partie d'accueil de sorte que le second élément conducteur puisse être électriquement relié au premier élément conducteur, et ainsi la présente invention présente une structure compacte sans câble séparé, peut fonctionner de manière stable, faciliter la fabrication, et réduire un prix d'unité de fabrication.
PCT/KR2019/013944 2018-11-05 2019-10-23 Système d'articulation de connexion de retrait de cathéter WO2020096230A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0134389 2018-11-05
KR1020180134389A KR102018243B1 (ko) 2018-11-05 2018-11-05 카테터 풀백 연결 조인트 시스템

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WO2020096230A1 true WO2020096230A1 (fr) 2020-05-14

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PCT/KR2019/013944 WO2020096230A1 (fr) 2018-11-05 2019-10-23 Système d'articulation de connexion de retrait de cathéter

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WO (1) WO2020096230A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024071526A1 (fr) * 2022-09-30 2024-04-04 울산과학기술원 Endoscope photoacoustique ultrasonore à balayage hélicoïdal

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003070736A (ja) * 2001-09-06 2003-03-11 Pentax Corp 電子内視鏡
JP2005058491A (ja) * 2003-08-13 2005-03-10 Fujinon Corp 内視鏡用コネクタ装置
KR20140004667A (ko) * 2010-12-03 2014-01-13 리써치 트라이앵글 인스티튜트 초음파 장치 및 관련 케이블 어셈블리
US20160001061A1 (en) * 2012-12-21 2016-01-07 Boston Scientific Neuromodulation Corporation Leads with proximal stiffening and related methods of use and manufacture
KR20170110480A (ko) * 2016-03-23 2017-10-11 원텍 주식회사 의료 영상 획득 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002301022A (ja) * 2001-04-04 2002-10-15 Asahi Optical Co Ltd 撮像装置
EP2561796B1 (fr) * 2011-03-15 2016-01-06 Olympus Corporation Endoscope électronique et système d'endoscope

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003070736A (ja) * 2001-09-06 2003-03-11 Pentax Corp 電子内視鏡
JP2005058491A (ja) * 2003-08-13 2005-03-10 Fujinon Corp 内視鏡用コネクタ装置
KR20140004667A (ko) * 2010-12-03 2014-01-13 리써치 트라이앵글 인스티튜트 초음파 장치 및 관련 케이블 어셈블리
US20160001061A1 (en) * 2012-12-21 2016-01-07 Boston Scientific Neuromodulation Corporation Leads with proximal stiffening and related methods of use and manufacture
KR20170110480A (ko) * 2016-03-23 2017-10-11 원텍 주식회사 의료 영상 획득 장치

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