[go: up one dir, main page]

WO2022108115A1 - Cathéter à ballonnet pour le traitement des voies nasales et de la trompe d'eustache - Google Patents

Cathéter à ballonnet pour le traitement des voies nasales et de la trompe d'eustache Download PDF

Info

Publication number
WO2022108115A1
WO2022108115A1 PCT/KR2021/014027 KR2021014027W WO2022108115A1 WO 2022108115 A1 WO2022108115 A1 WO 2022108115A1 KR 2021014027 W KR2021014027 W KR 2021014027W WO 2022108115 A1 WO2022108115 A1 WO 2022108115A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
balloon catheter
balloon
optical fiber
guide
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/KR2021/014027
Other languages
English (en)
Korean (ko)
Inventor
주돈수
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.)
Imedicom Co Ltd
Original Assignee
Imedicom Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Imedicom Co Ltd filed Critical Imedicom Co Ltd
Publication of WO2022108115A1 publication Critical patent/WO2022108115A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • A61M25/10—Balloon catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/24—Surgical instruments, devices or methods for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers
    • 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
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/20—Ear surgery
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/77—Suction-irrigation systems
    • 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
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/008—Strength or flexibility characteristics of the catheter tip
    • 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
    • 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
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • 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
    • A61M25/10—Balloon catheters
    • A61M25/1027—Making of balloon catheters
    • A61M25/1034—Joining of shaft and balloon
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/008—Strength or flexibility characteristics of the catheter tip
    • A61M2025/0081—Soft tip
    • 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
    • A61M25/10—Balloon catheters
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1093—Balloon catheters with special features or adapted for special applications having particular tip characteristics
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
    • A61M2205/587—Lighting arrangements

Definitions

  • the present invention relates to a balloon catheter, and more particularly, to a balloon catheter used for treatment of the sinuses and otitis.
  • sinusitis There are several spaces in the facial bones of our body, and these empty spaces are called sinuses. And when bacteria or viruses penetrate into the space called the sinuses and cause inflammation, it is called sinusitis.
  • a balloon catheter operation method As a method for treating such sinusitis, a balloon catheter operation method is used, and this method has the advantage of faster recovery after the operation than the conventional surgical method.
  • Sinusitis surgery using a balloon catheter is performed by first inserting a catheter into the nasal cavity, and then expanding the balloon located at the end of the catheter at the entrance to the sinus to remove inflammation and secretions from the inside of the sinus.
  • FIG. 13 shows a balloon catheter that can be used for sinusitis surgery disclosed in Korean Patent Application Laid-Open No. 10-2018-0113660.
  • FIG. 13 corresponds to FIG. 1 of the Korean Patent Application Laid-Open, and for convenience, reference numerals and the like are indicated without modification.
  • the conventional balloon catheter is easy to insert in a straight direction, but difficult to enter in a bent direction.
  • the irrigation fluid injection tube 120 in order for the balloon catheter to enter the maxillary sinus of the sinus, the irrigation fluid injection tube 120 must be bent at least about 110° in a straight state.
  • patients with severe lesions had a problem in performing balloon catheterization because the entrance to the sinuses was narrow, making it difficult to enter the balloon 130 .
  • the present invention is to solve the problems of the prior art as described above, and an object of the present invention is to enter the sinuses while efficiently securing straightness, and to minimize the size at the time of entry. to provide a catheter.
  • the balloon catheter for sinus and ear canal treatment is provided with a body portion having a guide port mounting portion, a balloon, and relatively movable to the body portion.
  • a balloon catheter assembly coupled to the body portion, a guide port detachably coupled to the guide port mounting portion, and a first tube having one end coupled to the guide port and the other end extending in a direction away from the guide port, the first A second tube coupled to the inner wall of the tube and extending to protrude from the other end of the first tube, a guide portion having a soft tip coupled to the end of the second tube, and mounted on the body portion, comprising an optical fiber It is characterized in that it comprises an optical fiber lighting unit.
  • the hardness of the soft tip is smaller than that of the second tube, and the hardness of the second tube is smaller than that of the first tube.
  • annular groove forming a step is formed on the inner wall of the guide port, and one end of the first tube is positioned in the annular groove.
  • the second tube is characterized in that the other end is provided with a plurality of bent at different predetermined angles.
  • the second tube for maxillary sinus surgery has the predetermined angle of 110°
  • the second tube for sphenoid sinus surgery has the predetermined angle of 0°
  • the second tube for frontal sinus surgery has the predetermined angle of 70 It is characterized as °.
  • one end of the balloon catheter assembly is inserted into the balloon and fused to the distal portion of the balloon, and the other end is an inner tube extending in a direction away from the balloon, the inner tube and the inner tube with a predetermined gap and wraps around the inner tube,
  • An outer tube whose one end is fused to the proximal portion of the balloon, a guide tube that surrounds the outer tube and is fused to the outer tube, a cover tube that surrounds the guide tube and is fused to the guide tube, and an inner tube to which the other end of the inner tube is fixed
  • the body portion is characterized in that it includes an opening through which the sliding pressing portion is seated so as to slide in the front and rear directions of the body portion.
  • the balloon catheter assembly is provided with an optical fiber holding part at the rear end of the inner tube holder, the optical fiber is inserted through the optical fiber holding part, the optical fiber holding part is made of silicone, pulling or pushing with a force greater than a predetermined force When the optical fiber is characterized in that it can be moved relative to the optical fiber holding part.
  • the balloon catheter assembly is moved relative to the guide portion, characterized in that the balloon is inserted into the interior of the second tube may not be exposed to the outside.
  • the balloon catheter according to an embodiment of the present invention having the above configuration has the following effects.
  • the straightness of the balloon catheter can be secured by selecting an appropriate guide part 3 at the operation site.
  • the balloon catheter assembly when the user holds the body part equipped with the guide part and moves the sliding subscription part in the right direction (based on FIG. 1), the balloon catheter assembly also moves in the right direction in conjunction with it, and through this, the guide part into the second tube inside The balloon is inserted so that the balloon is not exposed to the outside.
  • the diameter (size) of the balloon catheter inserted into the lesion of the patient can be greatly reduced, and the entry into the lesion of the patient becomes easy.
  • the optical fiber is fixed at a specific position during use of the balloon catheter, so the light emitted from the end of the optical fiber The position can be easily fixed to a specific position.
  • the present invention also includes other effects that can be expected from the above-described configuration.
  • FIG. 1 shows a balloon catheter for treatment of the sinus and ear canals according to an embodiment of the present invention.
  • Figure 2 is a cross-sectional view of the balloon catheter of Figure 1.
  • Figure 3 is a cross-sectional view of the body portion of the balloon catheter of Figure 1.
  • Figure 4 shows the balloon catheter assembly of the balloon catheter of Figure 1.
  • Figure 5 is a cross-sectional view of the balloon catheter assembly of Figure 4.
  • Figure 6 shows the guide portion of the balloon catheter of Figure 1.
  • FIG. 7 shows various modifications of the guide part of FIG. 6 .
  • FIG. 8 is a cross-sectional view of the guide part of FIG. 6 .
  • FIG. 9 is an enlarged view of part A of FIG. 8 .
  • FIG. 10 is a cross-sectional view in the direction P-P of FIG. 1 .
  • FIG. 11 is a perspective view of the body of FIG. 1 as viewed from above.
  • Figure 12 shows the main configuration of the optical fiber lighting unit of the balloon catheter of Figure 1.
  • FIG. 13 is a view showing a conventional balloon catheter.
  • FIG. 1 shows a balloon catheter (hereinafter, simply referred to as a 'balloon catheter') for treatment of the sinus and ear canals according to an embodiment of the present invention.
  • a balloon catheter hereinafter, simply referred to as a 'balloon catheter'
  • this balloon catheter is a main configuration, including a body portion (1), a balloon catheter assembly (2), a guide portion (3), and an optical fiber illumination portion (4).
  • the body portion 1 is provided with a guide port mounting portion 11 at its distal end. And the body portion 1 includes an opening 11 that allows the sliding pressing portion 28 of the balloon catheter assembly 2 to be described later to be seated and slide in the front-rear direction of the body portion 1 .
  • the opening 11 is formed to be elongated in the longitudinal direction of the body portion 1 as shown in FIG. 11 .
  • the balloon catheter coupling body (2) is coupled to the body part (1) to be movable relative to the body part (1).
  • the balloon catheter assembly 2 is a balloon 21, an inner tube 22, an outer tube 23, a guide tube 24, a cover tube 27, It has an inner tube holder 25, a Y port 26, and a pressing part 28 for sliding.
  • One end of the inner tube 22 is inserted into the balloon 21 and fused to the distal portion 211 of the balloon 21 , and the other end extends in a direction away from the balloon 21 .
  • the outer tube 23 surrounds the inner tube 22 with a predetermined gap (through this, a fluid for balloon inflation is inserted) with the inner tube 22, and one end is fused to the proximal portion 212 of the balloon 21.
  • the guide tube 24 may surround the outer tube 23 and be fused to the outer tube 23 .
  • the cover tube 27 may surround the guide tube 24 and be fused to the guide tube 24 .
  • the other end of the inner tube 22 is fixed to the inner tube holder 25 .
  • the Y port 26 has a first port 261 for fluid input, a second port 262 to which the inner tube holder 25 is fixed, and a front through hole 263 to which the cover tube 27 is fixed. do.
  • the sliding pressing unit 28 is fixed to the outer wall of the first port 261 .
  • the user may apply a force to the sliding pressing unit 28 to relatively move the balloon catheter assembly 2 to the body unit 1 in the longitudinal direction (horizontal direction based on FIG. 1) of the balloon catheter.
  • the guide part 3 includes a guide port 31 , a first tube 32 , a second tube 33 , and a guide part 3 as shown in FIGS. 6 to 8 . .
  • the guide port 31 is detachably coupled to the guide port mounting part 11 .
  • the second half of the inner diameter of the guide port 31 is gradually enlarged in diameter, and the outer diameter of the guide port mounting portion 11 is gradually enlarged, so that the outer diameter of the guide port mounting portion 11 is equal to the inner diameter of the guide port 31 They can be fitted to each other.
  • annular groove 311 forming a step is formed on the inner wall of the guide port 31 , and one end of the first tube 32 is positioned in the annular groove 311 while being positioned at the step. by the guide port 31 is supported on the inner wall.
  • One end of the second tube 33 may also extend to one end of the first tube 32 .
  • the first tube 32 has one end coupled (eg, bonding) to the first half of the inner diameter of the guide port 31, and the other end is in a direction away from the guide port 31 (the front of the catheter, the left direction of FIG. 1 ) is extended
  • the first tube 32 is made of, for example, stainless steel, and has a higher hardness than the second tube 33 to secure the ductility.
  • the second tube 33 is coupled (eg, bonded) to the inner wall of the first tube 32 and extends to protrude from the other end of the first tube 32 .
  • the second tube 33 is made of, for example, a material having a hardness of 72D or higher to maintain straightness.
  • the second tube 33 may be provided with a plurality of sets, the other ends of which are bent at different predetermined angles.
  • the second tube 33 for maxillary sinus surgery has a predetermined angle of 110° (Fig. 7 (a)), and the second tube 33 for sphenoid sinus treatment has a predetermined angle of 0° (Fig. 7). (f)), the second tube 33 for frontal sinus surgery may have a predetermined angle of 70° ((c) of FIG. 7). Therefore, the user can solve the problem that the patient with severe lesion is difficult to enter with the conventional catheter because the sinus entrance is narrow, and can effectively perform the procedure using the balloon catheter.
  • the soft tip 34 is coupled to the end of the other end of the second tube 33 .
  • the soft tip 34 may be made of a hardness of, for example, 35D so that it is not sharp even when approaching the patient's lesion and thus does not get hurt.
  • the hardness of the soft tip 34 is smaller than the hardness of the second tube 33
  • the hardness of the second tube 33 is formed to be smaller than the hardness of the first tube 32, for example, a balloon catheter in the nasal cavity. It is possible to effectively treat the patient by maintaining straightness without injuring the patient's lesion during insertion.
  • the optical fiber lighting unit 4 is mounted on the body unit 1 .
  • the optical fiber lighting unit 4 includes a power source 41, an optical fiber 42 that emits light by receiving power from the power source 41, and a power blocking plate 43 that is detachably mounted and can cut off power from the power source 41.
  • the optical fiber 42 is inserted into the second port 262 and the inner tube 22 to protrude to the distal part 211 of the balloon 21 by the user to hold the optical fiber 42 . can be pushed or pulled.
  • the balloon catheter assembly 2 has an optical fiber holding part 29 at the rear end of the inner tube holder 25 , and the optical fiber 42 passes through the optical fiber holding part 29 . to be inserted.
  • the optical fiber holding part 29 is made of, for example, silicon, so that the optical fiber 42 can be moved relative to the optical fiber holding part 29 when pulling or pushing with a force greater than or equal to a predetermined force, and less than the predetermined force The force of can prevent this movement from occurring. Therefore, if the user pushes or pulls the optical fiber 42 more than a predetermined force in order to move the optical fiber 42 to a specific position, and then removes the force, the optical fiber 42 is fixed at a specific position during use of the balloon catheter. Therefore, the position of the light emitted from the end of the optical fiber 42 can be fixed to a specific position.
  • the balloon catheter assembly 2 is moved relative to the guide portion 3, that is, the guide portion 3 is mounted.
  • the balloon catheter assembly 2 also works in conjunction and moves in the right direction, and through this, the guide The balloon 21 is inserted into the second tube 33 of the part 3 so that the balloon 21 is not exposed to the outside.
  • the diameter (size) of the balloon catheter inserted into the lesion of the patient can be greatly reduced, and the entry into the lesion of the patient becomes easy.
  • the position of the distal end can be adjusted and fixed by appropriately pulling or pushing the optical fiber 42, thereby making it easier to enter the lesion of the patient.
  • the guide part 3 in which the second tube 33 is bent at 110° is connected to the guide port mounting part 11 of the body part 1, and when entering the sphenoid sinus, the second The tube 33 connects the guide part 3, which is straight at 0°, to the guide port mounting part 11 of the body part 1, and also, when entering the frontal sinus, the second tube 33 is a straight line bent at 70°
  • the present invention can be used in a balloon catheter used for the treatment of the sinus and ear canals.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Otolaryngology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Child & Adolescent Psychology (AREA)
  • Dentistry (AREA)
  • Optics & Photonics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Acoustics & Sound (AREA)
  • Psychology (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

L'invention concerne, selon un mode de réalisation, un cathéter à ballonnet pour le traitement des voies nasales et de la trompe d'eustache comprenant : une partie corps présentant une partie de montage d'orifice de guidage ; une structure de couplage de cathéter à ballonnet comprenant un ballonnet, et un couplage à la partie de corps pour être mobile par rapport à la partie de corps ; une partie de guidage présentant un orifice de guidage, qui est couplée de façon détachable à la partie de montage de port de guidage, un premier tube, dont une extrémité est couplée à l'orifice de guidage et l'autre extrémité s'étend dans une direction s'éloignant de l'orifice de guidage, un second tube, qui est couplé à la paroi interne du premier tube et s'étend en saillie à partir de l'autre extrémité du premier tube, et une pointe souple qui est couplée à une extrémité du second tube ; et une partie d'éclairage à fibre optique montée sur la partie de corps et comprenant une fibre optique.
PCT/KR2021/014027 2020-11-19 2021-10-12 Cathéter à ballonnet pour le traitement des voies nasales et de la trompe d'eustache Ceased WO2022108115A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2020-0155761 2020-11-19
KR1020200155761A KR20220069172A (ko) 2020-11-19 2020-11-19 부비관 및 이관 치료용 풍선카테터

Publications (1)

Publication Number Publication Date
WO2022108115A1 true WO2022108115A1 (fr) 2022-05-27

Family

ID=81709168

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2021/014027 Ceased WO2022108115A1 (fr) 2020-11-19 2021-10-12 Cathéter à ballonnet pour le traitement des voies nasales et de la trompe d'eustache

Country Status (2)

Country Link
KR (1) KR20220069172A (fr)
WO (1) WO2022108115A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120012796A (ko) * 2009-03-20 2012-02-10 아클라런트, 인코포레이션 흡인력을 갖는 가이드 시스템
KR20150144392A (ko) * 2014-06-16 2015-12-28 (주)태연메디칼 풍선 방향제어 기능을 갖는 카테터
KR101802317B1 (ko) * 2016-11-25 2017-11-29 (의료)길의료재단 굽힘각과 풍선 위치 조절이 가능한 부비동용 풍선 카테터
KR20170139589A (ko) * 2015-04-22 2017-12-19 아클라런트, 인코포레이션 가단성 내부 가이드를 갖춘 벌룬 확장 시스템
KR20200041845A (ko) * 2020-04-02 2020-04-22 (주)메가메디칼 흡입 각도 변경이 가능한 수술 가이드 연동 풍선 카테터

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180113660A (ko) 2017-04-06 2018-10-17 (주)메가메디칼 풍선 카테터 및 이를 이용한 수술 항법 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120012796A (ko) * 2009-03-20 2012-02-10 아클라런트, 인코포레이션 흡인력을 갖는 가이드 시스템
KR20150144392A (ko) * 2014-06-16 2015-12-28 (주)태연메디칼 풍선 방향제어 기능을 갖는 카테터
KR20170139589A (ko) * 2015-04-22 2017-12-19 아클라런트, 인코포레이션 가단성 내부 가이드를 갖춘 벌룬 확장 시스템
KR101802317B1 (ko) * 2016-11-25 2017-11-29 (의료)길의료재단 굽힘각과 풍선 위치 조절이 가능한 부비동용 풍선 카테터
KR20200041845A (ko) * 2020-04-02 2020-04-22 (주)메가메디칼 흡입 각도 변경이 가능한 수술 가이드 연동 풍선 카테터

Also Published As

Publication number Publication date
KR20220069172A (ko) 2022-05-27

Similar Documents

Publication Publication Date Title
US5377668A (en) Apparatus and method for endoscopic diagnostics and therapy
US5197457A (en) Deformable and removable sheath for optical catheter
US5643175A (en) Sterilizable endoscope with separable disposable tube assembly
CA2143639C (fr) Endoscope sterilisable dote de tubes jetables et separables
EP0280384B1 (fr) Endoscope avec un oculaire détachable
US8333691B2 (en) Endoscope comprising a flexible probe
ES2983728T3 (es) Acople de ultrasonido direccionable para endoscopio
EP0336399A1 (fr) Endoscope destiné à l'examen des voies biliaires et pancréatiques
EP2103248A3 (fr) Endoscope miniature avec système d'imagérie par fibre optique
WO2003051183A3 (fr) Gaine destinee a guider des instruments d'imagerie
KR20070110830A (ko) 보호용 슬리브를 가진 내시경
WO2013179217A1 (fr) Cathéter à dilatation de ballonnet pour le traitement de sinusites paranasales
WO2012030101A2 (fr) Cathéther de pose d'endoprothèses
EP2428157A1 (fr) Système d'endoscopie intuitif, ergonomique, multifonctionnel équipé d'une gaine présentant différentes élasticités et d'une pointe complémentaire aux orifices naturels
WO1992003963A1 (fr) Gaine deformable et amovible pour catheter optique
WO2019190061A1 (fr) Endoscope et endoscope entrant dans le sinus
CN1771012A (zh) 泪囊鼻腔吻合术的装置和方法
WO2022108115A1 (fr) Cathéter à ballonnet pour le traitement des voies nasales et de la trompe d'eustache
KR100673413B1 (ko) 삽입부 교체가 용이한 의료용 내시경
JP2000014634A (ja) 内視鏡システム
JP3034641B2 (ja) 内視鏡
JP2970887B2 (ja) 内視鏡用ガイドカテーテル
WO2021080302A2 (fr) Dispositif d'insertion de tube thoracique en utilisant un guide endoscopique
WO2013027940A1 (fr) Monorail
WO2016068425A1 (fr) Cathéter pour fonctionnement d'endoprothèse

Legal Events

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

Ref document number: 21894887

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21894887

Country of ref document: EP

Kind code of ref document: A1