WO2014081050A1 - Protection membranaire utilisée dans un équipement médical à ultrasons, anneau de guidage, et tête de traitement comprenant celle-ci - Google Patents

Protection membranaire utilisée dans un équipement médical à ultrasons, anneau de guidage, et tête de traitement comprenant celle-ci Download PDF

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Publication number
WO2014081050A1
WO2014081050A1 PCT/KR2012/009855 KR2012009855W WO2014081050A1 WO 2014081050 A1 WO2014081050 A1 WO 2014081050A1 KR 2012009855 W KR2012009855 W KR 2012009855W WO 2014081050 A1 WO2014081050 A1 WO 2014081050A1
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WO
WIPO (PCT)
Prior art keywords
membrane
transducer
treatment head
main body
guard
Prior art date
Application number
PCT/KR2012/009855
Other languages
English (en)
Korean (ko)
Inventor
김대승
박현수
Original Assignee
알피니언메디칼시스템 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 알피니언메디칼시스템 주식회사 filed Critical 알피니언메디칼시스템 주식회사
Priority to PCT/KR2012/009855 priority Critical patent/WO2014081050A1/fr
Priority to PCT/KR2013/007298 priority patent/WO2014081108A1/fr
Publication of WO2014081050A1 publication Critical patent/WO2014081050A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N7/02—Localised ultrasound hyperthermia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/225—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
    • A61B17/2251—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves characterised by coupling elements between the apparatus, e.g. shock wave apparatus or locating means, and the patient, e.g. details of bags, pressure control of bag on patient

Definitions

  • the present invention relates to a membrane guard, a guide ring and a treatment head comprising the same. More particularly, the present invention relates to a membrane guard and guide ring included in an ultrasonic medical device for use in treating a patient and a treatment head including the same.
  • HIFU High Intensity Focused Ultrasound
  • HIFU High Intensity Focused Ultrasound
  • Focusing ultrasound waves about 100,000 times stronger than the ultrasound intensity used for diagnosis generates heat at the focal spot, which is similar to the heat generated at the focal spot when sun light is collected by the convex lens.
  • Ultrasound itself is harmless to the human body and heat is generated only at the focal point where the ultrasound is concentrated, so it is possible to treat lesions in the body without the need for general anesthesia without using a knife or needle.
  • HIFU device configuration is largely divided into a base, a treatment head (Treatmemt Head) and the base, and can be divided into a support structure for supporting the treatment head.
  • the treatment head includes a transducer for converting electrical energy into ultrasonic energy and collecting it at a desired tumor site (focus), and a membrane for containing a liquid for cooling the high temperature generated when the transducer irradiates the ultrasonic wave. do.
  • the membrane is a fluid membrane that attaches to the treatment head while wrapping the transducer, and the high heat generated when the transducer irradiates ultrasound can damage the membrane membrane.
  • directing the treatment head directly to the patient's skin may cause burns due to the high temperature of the transducer.
  • Treatment with the HIFU device should be performed continuously for a certain time, but in order to avoid such burns, it is difficult to treat the treatment by removing the device from the skin and contacting it again.
  • the focus of the ultrasound that is irradiated from the transducer to a point has a focal depth, and the treatment becomes difficult when the target treatment area is out of the focal depth.
  • the prior art is to replace the support member to maintain the gap between the transducer and the patient's skin, such that the treatment site is located inside the focal depth, but this method is very cumbersome.
  • the present invention requires an apparatus having a novel structure that forms a space between the membrane and the transducer attached to the treatment head to solve the above problems.
  • One embodiment of the present invention includes a first opening surrounding a portion of the treatment head including a transducer and a membrane surrounding the transducer; A second opening having a smaller cross-sectional area than the first opening; And a membrane guard surrounding the membrane and including an inclined surface connecting the first opening and the second opening.
  • One embodiment of the invention the main body; A transducer mounted to the main body to generate ultrasonic waves; A membrane surrounding a portion of the body and the transducer and attached to the body; And a guide ring provided at an outside of the transducer to form a space between the membrane for generating the ultrasonic wave of the transducer and the membrane.
  • One embodiment of the invention the main body; A transducer mounted to the main body; A treatment head surrounding a portion of the body and the transducer, a membrane attached to the body, and a membrane guard surrounding the membrane and movably connected to the body in a first direction are provided. do.
  • One embodiment of the invention the main body; A transducer mounted to the main body to generate ultrasonic waves; A membrane surrounding a portion of the body and the transducer and attached to the body; A membrane guard surrounding the membrane and movably connected to the body in a first direction, and to form a space between the ultrasonic wave generating portion of the transducer and the membrane; It provides a treatment head including a guide ring provided on the outside.
  • One embodiment of the invention the base; An articulation device having one end mounted to the base and having a plurality of articulating arms; And a treatment head connected to the other end of the articular tooth,
  • the treatment head includes a main body; A transducer mounted to the main body; Ultrasonic waves surrounding the part of the main body and the transducer, the membrane is attached to the main body and the membrane, the membrane guard (Membrane Guard) is movably connected to the body in a first direction Provide medical devices.
  • a transducer mounted to the main body; Ultrasonic waves surrounding the part of the main body and the transducer, the membrane is attached to the main body and the membrane, the membrane guard (Membrane Guard) is movably connected to the body in a first direction Provide medical devices.
  • One embodiment of the invention the base; One end mounted to the base, the articulating device having a plurality of articulating arms and a treatment head connected to the other end of the articular tooth,
  • the treatment head includes a main body; A transducer mounted to the main body to generate ultrasonic waves; A guide ring is formed on the outer side of the transducer to surround a portion of the main body and the transducer and form a predetermined space between the membrane attached to the main body, the ultrasonic wave generating part, and the membrane. It provides an ultrasonic medical device comprising a.
  • FIG. 1 shows a membrane guard according to this embodiment.
  • FIG 2 shows a treatment head (Treatmemt Head) provided with a membrane guard according to the present embodiment.
  • FIG 3 illustrates a state in which the membrane guard is inserted into the treatment head and a state in which the membrane guard is drawn out from the treatment head.
  • FIG 4 illustrates a portion in which a diffuse reflection pattern is formed on the surface of the membrane according to the present embodiment.
  • FIG 5 illustrates a state in which a guide ring is attached to the transducer of the treatment head according to the present embodiment.
  • FIG. 1 shows a membrane guard according to this embodiment.
  • FIG. 2 shows a treatment head (Treatmemt Head) provided with a membrane guard according to the present embodiment.
  • 3 illustrates a state in which the membrane guard is inserted into the treatment head and a state in which the membrane guard is drawn out from the treatment head.
  • FIG. 4 illustrates a portion in which a diffuse reflection pattern is formed on the surface of the membrane according to the present embodiment.
  • 5 shows a state in which the guide ring is attached to the transducer of the treatment head according to the present embodiment.
  • the treatment head 10 includes a main body 11, a transducer 12, and a membrane 13.
  • the transducer 12 is attached to one side of the main body 11 and generates ultrasonic waves.
  • the membrane 13 is a fluid membrane and is attached to the main body 11 to enclose a portion of the main body 11 in which the transducer 12 and the transducer 12 are installed, and contain a liquid for cooling the transducer 12. Can be.
  • One role of this liquid is to lower this temperature as the temperature of the transducer 12 itself rises when the transducer 12 generates ultrasonic waves.
  • the liquid may be water.
  • the membrane guard 20 includes a first opening 21, a second opening 22, and an inclined surface 23.
  • the first opening 21 surrounds the transducer 12 and the membrane 13 surrounding the transducer 12 and is connected to one side of the treatment head 10.
  • the second opening 22 has a smaller cross-sectional area than the first opening 21.
  • the first opening 21 and the second opening 22 may have a circular shape.
  • the diameter of the second opening 22 is smaller than the diameter of the first opening 21.
  • the second opening 22 is a portion in contact with the skin when the treatment head 10 touches a human body or an animal that is the treatment target 30.
  • the inclined surface 23 surrounds the membrane 13 and is a circumferential surface connecting the first opening 21 and the second opening 22.
  • the membrane 13 naturally forms along the shape of the cross-sectional area of the inclined surface 23 and the second opening 22 when the membrane guard 20 touches a human body or an animal that is the treatment object 30.
  • the diameters of the first opening 21 and the second opening 22 are similar, and the circumferential surface connecting the first opening 21 and the second opening 22 is not the inclined surface 23. Therefore, since the membrane 13 does not form a balanced shape in the membrane guard 20, the liquid contained in the membrane 13 does not uniformly exchange heat with the transducer 12. However, according to the embodiment of the present invention, since the membrane guard 20 has the inclined surface 23, the membrane 13 has a balanced shape inside the membrane guard 20, and the liquid contained in the membrane 13 is treated. It is possible to cool the transducer 12 for a time sufficient for the treatment head 10 to perform a therapeutic action.
  • the membrane guard 20 of this embodiment is demonstrated in more detail.
  • the membrane guard 20 of this embodiment is movably connected to the treatment head 10 in the first direction (X direction).
  • the upper end located on the side of the first opening 21 of the inclined surface 23 for this movement forms a cylindrical shape in which the inclined surface 23 is bent.
  • This cylindrical portion 23a is connected to the treatment head 10 while wrapping a portion of the treatment head 10.
  • a connection portion (not shown) is formed inside the cylindrical portion 23a so as to be slidable on the treatment head 10.
  • the connection part may be a groove part and a protrusion part extending in the first direction (X direction). Grooves may be formed in portions in contact with the membrane guard 20 on the treatment head 10. In this case, the protrusion may be formed at a portion in contact with the treatment head 10 on the membrane guard 20 of the present embodiment.
  • the grooves may be formed on the membrane 13, in which case the protrusions may be formed on the treatment head 10.
  • Ultrasound irradiated from the transducer 12 has a focal depth (F).
  • Ultrasound irradiated from the transducer 12 has a focus that converges to one point, and the distance from the transducer 12 to the focus is variable.
  • the length between the shortest focal length and the longest focal length of the ultrasonic wave is the focal depth F.
  • the shortest focal length A of the ultrasonic wave generated by the transducer 12 may be 60 mm
  • the longest focal length B may be 110 mm.
  • the focal depth F is 50 mm.
  • the membrane guard 20 touches the skin of the human or animal subject to treatment 30, the targeted treatment site 31 located within the skin is located within 60 mm of the transducer 12.
  • Treatment is difficult because it is out of the focal depth (F).
  • the membrane guard 20 is moved in the first direction (X direction) from the front of the transducer 12 by sliding, the target treatment site 31 enters into the focal depth F and can be treated. Done.
  • the prior art has the hassle of having to replace the membrane guard 20 in order to position the treatment area 31 into the focal depth (F).
  • the membrane guard 20 of the present embodiment is slidable in the treatment head 10, the treatment area 31 can be easily positioned into the focal depth F.
  • the second opening 22 protrudes more than the transducer 12. This protrusion forms a first space 24 between the transducer 12 and the membrane 13 in contact with the skin when the membrane guard 20 comes into contact with the human body or animal, which is the treatment object 30. Liquid, which serves to cool the transducer 12, may remain in the first space 24.
  • the first space 24 can keep the liquid that performs the cooling function in front of the transducer 12
  • the temperature rise of the transducer 12 can be slowed down when the treatment head 10 is operated.
  • the treatment head 10 may increase the time for treating the treatment target 30.
  • a second space 25 is formed between a portion of the treatment head 10 wrapped by the first opening 21 and a membrane 13 surrounding the portion of the treatment head 10. Liquid, which also serves to cool the transducer 12, may remain in the second space 25.
  • the first space 24 and the second space 25 are not separate spaces but are connected to each other. Therefore, the liquid can move between the first space 24 and the second space 25.
  • the liquid heated in the first space 24 by this movement can move to the second space 25, the low-temperature liquid in the second space 25 can move to the first space 24, so the transducer It becomes possible to increase the time for cooling (12).
  • the central portion of the membrane 13 protrudes more than the second opening 22.
  • the membrane 13 naturally follows the shape of the cross-sectional area of the inclined surface 23 and the second opening 22 when the membrane guard 20 comes into contact with a human body or an animal that is the treatment object 30. Form.
  • Treatment head 10 wraps the main body 11, the transducer 12 mounted on the main body 11, a part of the main body 11 and the transducer 12, the main body 11 ) And the membrane guard 20 described above. Since the membrane guard 20 has been described above, the description is omitted here.
  • the inner surface of the membrane 13 attached to the treatment head 10 of the present embodiment may have a diffuse reflection pattern for diffuse reflection of a part of the ultrasonic waves generated by the transducer 12.
  • the diffuse reflection pattern may be formed of a plurality of alphabet “J-shaped protrusions, or may be in the form of shark skin or other sandpaper.
  • Ultrasonic waves irradiated from the transducer 12 are mostly irradiated to the target site, but some of them are ultrasonic waves going in the wrong direction without being irradiated to the target site.
  • Ultrasound irradiated from the transducer 12 is most accurately irradiated to the target treatment site of the patient, but some of them are irradiated in the wrong direction without being irradiated to the target site. This is also true for ultrasonic waves emitted from an imaging probe to obtain an image.
  • the ultrasonic wave irradiated to the target site is defined as normal ultrasonic wave
  • the ultrasonic wave irradiated in the wrong direction is defined as abnormal ultrasonic wave.
  • the position where the diffuse reflection pattern is formed is preferably formed in the remaining portion 40 except for the portion of the inner surface of the membrane 13 to which the ultrasonic wave is irradiated by the transducer 12 and the portion to which the ultrasonic wave is irradiated to obtain an image image.
  • the focal point of the ultrasonic wave generated by the transducer 12 is located at the longest focal length B in the focal depth F, it is preferable that the ultrasonic wave is formed at a portion except for the portion passing through the membrane 13. .
  • Abnormal ultrasonic waves that do not go to the target portion of the ultrasonic waves irradiated from the transducer 12 may pass through the membrane 13 and be partially reflected by the membrane 13 to return to the transducer 12.
  • the reflected ultrasonic waves are returned to increase the temperature of the transducer 12, and shorten the treatment time of the treatment head 10.
  • the diffuse reflection pattern formed inside the membrane guard 20 when the abnormal ultrasonic waves pass through the membrane 13, the diffuse reflection causes the ultrasonic waves that do not pass through the membrane 13 to return to the transducer 12.
  • the temperature of the transducer 12 can be suppressed from rising, and the treatment time of the treatment head 10 can be extended.
  • the diffuse reflection pattern improves the imaging effect of the ultrasonic imaging apparatus which is installed together on the treatment head 10.
  • Treatment head 10 is mounted to the main body 11, the main body 11, the transducer 12 for generating an ultrasonic wave, a part of the main body 11 and the transducer 12 It wraps around, and includes a membrane 13 and a guide ring 50 attached to the main body 11.
  • the guide ring 50 is provided on the outside of the transducer 12.
  • the transducer 12 may be in the shape of a disc, and in this case, the guide ring 50 may be attached to the edge of the transducer 12 in the form of a ring, and the shape of the cross section may be a circle.
  • the guide ring 50 may be integrally formed with the main body 11 provided with the transducer 12.
  • the guide ring 50 performs a function similar to the membrane guard 20. That is, by forming a space 51 between the membrane 13 and the ultrasonic wave generating portion of the transducer 12, the membrane 13 when the treatment head 10 comes into contact with a human body or an animal that is a treatment object 30. It prevents direct contact with the transducer 12 and serves to protect the membrane 13. In addition, since the liquid can stay in the space 51, there is an effect of lowering the temperature of the transducer 12. According to an embodiment, a movement passage (not shown) may be formed in the guide ring 50 so that the liquid may move. The passage can be, for example, a hole or a groove.
  • a diffuse reflection pattern may be formed inside the membrane 13. Since the diffuse reflection pattern has been described above, a detailed description thereof will be omitted.
  • Treatment head 10 may include both the membrane guard 20 and the guide ring (50) according to the present embodiment described above.
  • the guide ring 50 may maximize the effect of the membrane guard 20.
  • Ultrasound medical device 60 is a base 61, one end is installed in the base 61, the joint device 62 having a plurality of articulating arms and the other end of the joint tooth It includes a treatment head 10 to be connected.
  • the treatment head 10 surrounds the main body 11, the transducer 12 mounted to the main body 11, a part of the main body 11 and the transducer 12, and is attached to the main body 11.
  • a membrane guard 20 surrounding the membrane 13 and the membrane 13 and movably connected to the main body 11 in a first direction (X direction) is included. Since the membrane guard 20 has been described above, a detailed description thereof will be omitted.
  • Ultrasound medical device 60 according to an embodiment of the present invention, the base 61, one end is installed on the base 61, the other end of the joint device 62 and the joint device 62 having a plurality of articulating arms Treatment head 10 is connected to.
  • the treatment head 10 is attached to the main body 11, the main body 11, and surrounds the transducer 12, a part of the main body 11 and the transducer 12 that generate ultrasonic waves, and the main body 11.
  • it comprises a guide ring 50 provided on the outside of the transducer (12).
  • the above-mentioned diffuse reflection pattern may be formed on an inner surface of the membrane 13 attached to the treatment head 10.
  • the device according to the embodiment according to the invention can be applied to any HIFU device having a transducer, water or the like and a membrane surrounding it.
  • One embodiment of the present invention can be used in a medical device that obtains an image by irradiating ultrasound or treats a patient.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Vascular Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgical Instruments (AREA)

Abstract

Un mode de réalisation de la présente invention concerne une protection de membrane comprenant : une première partie d'ouverture couvrant une partie d'une tête de traitement comprenant un transducteur et une membrane recouvrant le transducteur ; une deuxième partie d'ouverture ayant une aire de section transversale qui est inférieure à celle de la première partie d'ouverture ; et une surface inclinée entourant la membrane et reliant la première partie d'ouverture et la deuxième partie d'ouverture.
PCT/KR2012/009855 2012-11-21 2012-11-21 Protection membranaire utilisée dans un équipement médical à ultrasons, anneau de guidage, et tête de traitement comprenant celle-ci WO2014081050A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/KR2012/009855 WO2014081050A1 (fr) 2012-11-21 2012-11-21 Protection membranaire utilisée dans un équipement médical à ultrasons, anneau de guidage, et tête de traitement comprenant celle-ci
PCT/KR2013/007298 WO2014081108A1 (fr) 2012-11-21 2013-08-13 Protection membranaire pour équipement médical à ultrasons, anneau de guidage, et tête de traitement comprenant celle-ci

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2012/009855 WO2014081050A1 (fr) 2012-11-21 2012-11-21 Protection membranaire utilisée dans un équipement médical à ultrasons, anneau de guidage, et tête de traitement comprenant celle-ci

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WO2014081050A1 true WO2014081050A1 (fr) 2014-05-30

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PCT/KR2012/009855 WO2014081050A1 (fr) 2012-11-21 2012-11-21 Protection membranaire utilisée dans un équipement médical à ultrasons, anneau de guidage, et tête de traitement comprenant celle-ci
PCT/KR2013/007298 WO2014081108A1 (fr) 2012-11-21 2013-08-13 Protection membranaire pour équipement médical à ultrasons, anneau de guidage, et tête de traitement comprenant celle-ci

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Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
CN107441640B (zh) * 2017-09-11 2019-06-07 邹进华 聚焦超声波多层次刺激皮下胶原再生紧肤去皱美容仪器
CN107441639B (zh) * 2017-09-11 2019-06-07 邹进华 一种可精准定位的聚焦超声波紧肤祛皱美容仪
KR102538149B1 (ko) * 2020-05-08 2023-05-31 (주)아이엠지티 초음파 치료 헤드 및 이를 이용한 초음파 이미징 및 치료 방법
WO2021225368A1 (fr) * 2020-05-08 2021-11-11 (주)아이엠지티 Tête de traitement ultrasonore et procédé d'imagerie et de traitement ultrasonore l'utilisant
KR102494475B1 (ko) * 2021-04-06 2023-02-07 (주)아이엠지티 초음파 헤드
KR102486574B1 (ko) * 2021-12-08 2023-01-11 (주)아이엠지티 집속 초음파 장치 및 영상 트랜스듀서 보호 방법

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JP3483053B2 (ja) * 1994-12-01 2004-01-06 株式会社日立メディコ 針状超音波探触子およびこれを用いる超音波画像診断装置
US20060149329A1 (en) * 2004-11-24 2006-07-06 Abraham Penner Implantable medical device with integrated acoustic
KR20060130093A (ko) * 2003-12-30 2006-12-18 리포소닉스 인코포레이티드 일회용 트랜스듀서 씰
US8241219B2 (en) * 2005-07-25 2012-08-14 U-Systems, Inc. Compressive surfaces for ultrasonic tissue scanning
KR20120101661A (ko) * 2009-11-27 2012-09-14 테라끌리옹 에스아에스 커버, 치료 장치 및 이러한 장치를 이용하는 방법

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KR100698582B1 (ko) * 2006-02-15 2007-03-21 주식회사 에이치엔티메디칼 충격파 생성 장치 및 이를 포함하는 충격파 치료기
AU2010282256A1 (en) * 2009-08-14 2012-03-01 Ethicon Endo-Surgery, Inc. Ultrasonic surgical apparatus and silicon waveguide and methods for use thereof
EP2332614A1 (fr) * 2009-12-10 2011-06-15 Theraclion SAS Dispositif de traitement ultrasonore

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Publication number Priority date Publication date Assignee Title
JP3483053B2 (ja) * 1994-12-01 2004-01-06 株式会社日立メディコ 針状超音波探触子およびこれを用いる超音波画像診断装置
KR20060130093A (ko) * 2003-12-30 2006-12-18 리포소닉스 인코포레이티드 일회용 트랜스듀서 씰
US20060149329A1 (en) * 2004-11-24 2006-07-06 Abraham Penner Implantable medical device with integrated acoustic
US8241219B2 (en) * 2005-07-25 2012-08-14 U-Systems, Inc. Compressive surfaces for ultrasonic tissue scanning
KR20120101661A (ko) * 2009-11-27 2012-09-14 테라끌리옹 에스아에스 커버, 치료 장치 및 이러한 장치를 이용하는 방법

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