WO2007025438A1 - Appareil de traitement ultrasonique pour maladie de la prostate - Google Patents

Appareil de traitement ultrasonique pour maladie de la prostate Download PDF

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Publication number
WO2007025438A1
WO2007025438A1 PCT/CN2006/001718 CN2006001718W WO2007025438A1 WO 2007025438 A1 WO2007025438 A1 WO 2007025438A1 CN 2006001718 W CN2006001718 W CN 2006001718W WO 2007025438 A1 WO2007025438 A1 WO 2007025438A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
ultrasonic
cavity
imaging device
treatment
Prior art date
Application number
PCT/CN2006/001718
Other languages
English (en)
Chinese (zh)
Inventor
Zhibiao Wang
Yi Tong
Zhilong Wang
Fucheng Sun
Xianglin Xiao
Original Assignee
Chongqing Haifu (Hifu) Technology 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 Chongqing Haifu (Hifu) Technology Co., Ltd. filed Critical Chongqing Haifu (Hifu) Technology Co., Ltd.
Publication of WO2007025438A1 publication Critical patent/WO2007025438A1/fr

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Classifications

    • 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
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00274—Prostate operation, e.g. prostatectomy, turp, bhp treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00547—Prostate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/378—Surgical systems with images on a monitor during operation using ultrasound

Definitions

  • the invention belongs to the technical field of ultrasonic treatment, and relates to an ultrasonic treatment device, in particular to an ultrasonic treatment device suitable for treating prostate diseases. Background technique
  • Prostatitis is a common disease in adult males.
  • the general statistics account for about 25% to 30% of urological outpatient diseases.
  • Prostatitis about 40% to 60% of young and middle-aged men over 20 years old suffer from chronic diseases.
  • Prostatitis about 60°/m for men over 50 years old. More than 80% of older men over the age of 60 have prostate hyperplasia to varying degrees.
  • the therapeutic device focuses the ultrasound on the prostate lesion through an ultrasonic concentrating probe placed in the rectal cavity of the patient, and utilizes the characteristics of ultrasonic penetration, directionality, and good focusing to cause irreversible thermal coagulative necrosis instantaneously.
  • the necrotic tissue is absorbed, dissolved and excreted to achieve a therapeutic effect.
  • the ultrasonic image device and the piezoelectric transducer Image interference occurs between units; Like a small transducer, the entire prostate can not be confirmed, which is not conducive to timely detection of changes in other tissues (such as seminal vesicles) after treatment.
  • the technical problem to be solved by the present invention is to provide the ultrasonic wave treatment of the prostate disease which has a simple structure and does not cause image interference between the ultrasonic image device and the piezoelectric transducer, in view of the above disadvantages of the prior art ultrasonic treatment device. Device.
  • the ultrasonic treatment device for the prostate disease comprises an ultrasonic monitoring and treatment unit, a motion unit for making the ultrasonic monitoring treatment unit to move in all directions, a driving unit for driving the ultrasonic monitoring treatment unit, and a moving unit.
  • the ultrasonic monitoring treatment unit comprises a cavity, a piezoelectric transducer in the cavity, an ultrasonic imaging device, the ultrasonic imaging device is connected to the image display unit, and the cavity includes an outer cavity And the inner cavity, the outer cavity is sleeved on the inner cavity, the outer cavity is provided with a window, the piezoelectric transducer and the ultrasonic imaging device are respectively embedded in the inner cavity, and the ultrasonic imaging device and the piezoelectric transducer are composed Alternate work structure.
  • the alternate working structure of the ultrasonic imaging device and the piezoelectric transducer adopts a rotary structure, that is, the inner and outer cavities are both cylindrical, and the piezoelectric transducer and the ultrasonic imaging device respectively surround the inner cavity ring
  • the surface is embedded parallel to the inner cavity wall, and can work corresponding to the window on the outer cavity, and the inner cavity can serve as a rotating shaft in the outer cavity.
  • each piezoelectric transducer has a different focal length and frequency.
  • two piezoelectric transducers are used, two piezoelectric transducers are symmetrically arranged, and the piezoelectric transducer and the ultrasonic imaging device can be respectively embedded in the inner cavity wall around the annular surface of the inner cavity, and the piezoelectric The transducer and the ultrasound imaging device have an angular range of 60°-150. .
  • the inner cavity can also serve as a carrier for axial movement in the outer cavity, piezoelectric transducers and Both of the ultrasonic imaging devices are axially embedded in the inner cavity wall, and the piezoelectric transducer and the ultrasonic imaging device can respectively correspond to the windows on the outer cavity during operation.
  • the treatment device may further comprise a cooling unit, the ultrasonic monitoring treatment unit has a built-in temperature sensor, and the channel is provided with a channel and a cooling unit at the same time, and the channel in the cavity may be multiple, which is used to cool the heat generated by the piezoelectric transducer.
  • the waterway avoids overheating of the ultrasound monitoring treatment device during treatment.
  • This channel can also be used as a conduit for other devices that need to be mounted to the cavity.
  • the channel includes a water inlet channel and a water return channel, and the water inlet channel and the water return channel communicate with the cooling unit through a flexible wire, and the flexible wire includes a water inlet pipe and a water return pipe, and one end of the water inlet pipe and the cavity body enter
  • the water passage is connected, and the other end is connected to the cooling unit through a water pump; one end of the return water line is connected to the return water passage in the chamber, and the other end is connected to the cooling unit.
  • the flexible cable also has a coaxial cable and a multi-core signal line, one end of the coaxial cable is connected to the driving unit, and the other end is connected with the ultrasonic monitoring treatment unit; one end of the multi-core signal line is connected with the control unit, and the other end is connected Connected to an ultrasound imaging device.
  • the cord becomes the electric transmission channel of the present invention at the same time.
  • a rectal guiding area having a conical front end and a small rear end at the front end of the outer cavity.
  • the piezoelectric transducer and the ultrasonic imaging device work alternately, no image disturbance occurs, and the therapeutic device is positioned accurately.
  • the rotary structure of the cavity can adjust the position of the piezoelectric transducer at any time through the control unit, thereby increasing the range of the piezoelectric transducer and better meeting the needs of the treatment.
  • the invention also has the advantages of simple structure and low cost. DRAWINGS
  • FIG. 1 is a block diagram of the structure of the present invention
  • FIG. 2 is a schematic structural view of an ultrasound monitoring and treatment unit 1 of the present invention
  • FIG. 3 is a schematic structural view of the inner cavity 16 of the present invention.
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 3
  • Figure 5 is a diagram of the ultrasound monitoring treatment unit 1 of the present invention after entering the human anus 17 Schematic diagram of the structure like positioning
  • FIG. 6 is a schematic view showing the structure of the ultrasonic monitoring and treatment unit 1 of the present invention after entering the human anus 17
  • Figure 7 is a schematic view showing the treatment mode of the embodiment 1 of the present invention.
  • FIG. 8 is a schematic structural view of the cord 61 of the present invention.
  • FIG. 9 is a schematic view showing the structure of an inlet and outlet channel and an electrical connection channel in Embodiment 1 of the present invention.
  • the ultrasonic treatment apparatus of the present invention comprises an ultrasonic monitoring treatment unit 1, a motion unit 2, a control unit 5, a driving unit 4, and an image display unit 51.
  • the ultrasonic monitoring treatment unit 1 includes a cavity having piezoelectric transducers A12, B13 and an ultrasonic imaging device 15. There is a sound-permeable watertight sleeve outside the chamber.
  • the motion unit 2 can drive the ultrasonic monitoring treatment unit 1 to perform precise positioning of the telescopic motion, the front and rear translation and the rotational motion, that is, the three-dimensional motion of the X, ⁇ , ⁇ and the rotational motion about the X-axis; the control unit 5 can be based on the ultrasound
  • the gradation change of the imaging device 15 controls the movement of the ultrasound monitoring treatment unit 1 and the emission of ultrasonic waves; the drive unit 4 supplies the ultrasonic transducers to the piezoelectric transducers A12 or B13 and the ultrasound imaging device 15 under the control of the control unit 5.
  • the ultrasound imaging device 15 can employ a linear array transducer having a length comparable to the left and right prostate diameters.
  • a bed (not shown) is connected to the treatment device of the present invention, and the bed is divided into a patient treatment area and an ultrasound monitoring treatment unit installation area.
  • the patient treatment area is designed according to the human body structure.
  • the ultrasound monitoring treatment unit installation area can be adjusted up and down according to different postures of different patients.
  • the ultrasonic imaging device 15 and the piezoelectric transducer form an alternating working structure.
  • the alternate working structure adopts a rotary structure, that is, the inner cavity 16 serves as a rotating shaft in the outer cavity 10, and the piezoelectric transducer and the ultrasonic imaging device 15 respectively surround the inner cavity 16 toroidal surface. Parallelly embedded in the wall of the inner cavity.
  • the outer cavity 10 is a sleeve of the inner cavity 16, and the inner cavity 16 is rotatable within the outer cavity 10.
  • the invention further comprises a cooling unit 3, the ultrasound monitoring treatment unit 1 has a built-in temperature sensor, and a channel is provided in the cavity at the same time to communicate with the cooling unit 3.
  • the cooling unit 3 controls the water pump and the channel provided in the ultrasonic monitoring treatment unit 1 according to the temperature sensor in the ultrasonic monitoring treatment unit 1.
  • the circulating water flows through the channel to cool the piezoelectric transducer, thereby cooling the rectal wall to avoid Damage to the rectal wall due to excessive temperature.
  • a multi-channel flexible wire 61 can be embedded in the inner cavity 16, and a channel disposed in the cavity communicates with the flexible wire 61.
  • the flexible wire 61 includes a circuit channel and an inlet and outlet water passage.
  • the front end of the inner cavity 16 has a rectal guiding region 11 having a conical front end and a small rear end.
  • the ultrasound monitoring treatment unit 1 enters the human anus 17 under the guidance of the ultrasound imaging device 15 and under the control of the motion unit 2 to reach the designated treatment area to treat the body part of the prostate 18.
  • the ultrasonic treatment apparatus includes an ultrasonic monitoring treatment unit 1, a motion unit 2, a driving unit 4, a control unit 5, and an image display unit 51.
  • the ultrasonic monitoring treatment unit 1 includes an outer cavity 10 and an inner cavity 16, and the inner cavity 16 includes a piezoelectric transducer, an ultrasonic imaging device 15, and a sound transmission over the inner cavity 16.
  • the piezoelectric transducer is composed of a single wafer or an array of multi-chips.
  • the piezoelectric transducer uses two single-wafer transducers, namely a piezoelectric transducer A12 and a voltage.
  • the electric transducer B13, and the piezoelectric transducer A12 and the piezoelectric transducer B13 have different focal lengths and frequencies.
  • the piezoelectric transducer A12 has a focal length of 30, and the frequency is 2M; the piezoelectric transducer B13 has a focal length of 40, and the frequency is 1M, which can be adjusted by using different piezoelectric transducers according to the needs of treatment.
  • the size of the piezoelectric transducer focus and focal length.
  • the ultrasonic imaging apparatus 15 employs a B-ultrasound.
  • the shape of the inner and outer cavities is a cylindrical shape adapted to the inner wall of the rectum 19, and the outer cavity 10 is sleeved on the inner cavity 16, and the outer cavity 10 has a window.
  • the inner cavity 16 acts as a rotating shaft within the outer cavity 10.
  • the piezoelectric transducers A12, B13 and the ultrasonic imaging device 15 are circumferentially embedded in the wall of the inner cavity 16 at a position corresponding to the window on the outer cavity 10.
  • the piezoelectric transducer and the ultrasonic imaging device 15 have an angular range of 60 ° - 150 °, preferably 90 ° in this embodiment. After the angle is fixed, the focus is fixed and the depth of treatment is achieved by changing the piezoelectric transducer according to the rotating inner cavity 16.
  • an aperture is drilled in the inner cavity 16 for use as a passage for the water in the cooling unit 3, in which the circuit of the drive unit 4 and the control unit 5 and associated sensors can also be mounted.
  • a four-way flexible wire 61 is embedded in the inner cavity 16, and the flexible wire 61 includes four passages: the first conduit and the second conduit constitute the electrical transmission passage of the embodiment, and the third The pipe and the fourth pipe constitute the water transport passage of the present embodiment.
  • the first conduit 62 has a sheathed coaxial cable 63. One end of the coaxial cable 63 is connected to the driving unit 4, and the other end is connected to the ultrasonic monitoring treatment unit 1 for supplying energy to the piezoelectric transducer A12.
  • the electric transducer B13 and the ultrasonic imaging device 15; the second pipeline 64 has a multi-core signal line 65, the multi-core signal line 65-terminal is connected to the control unit 5, and the other end is connected to the sensor and the ultrasonic imaging device 15 for
  • the third pipeline 66 is a water supply pipeline, and a water inlet soft joint 67 is installed at one end of the third pipeline 66, and a water outlet soft joint 68 is installed at the other end, wherein the water in the cooling unit 3 passes through
  • the connected water pump 72 and the water inlet soft joint 67 connected to the water pump 72 are fed into the third line 66 of the four-way flexible wire 61.
  • the water is sent to the ultrasonic monitoring treatment unit 1 through the water outlet soft joint 68 placed in the third line 66 of the four-way flexible wire 61; the fourth line 69 is a return water passage for the third line 66 discharged water is refluxed.
  • the water return outlet soft joint 70 and the return water inlet soft joint 71 are respectively installed at both ends of the fourth pipeline 69, and one end of the return water inlet soft joint 71 is sealedly connected with one end of the fourth pipeline 69, and the other end is Ultrasound monitoring treatment unit 1 is sealed,
  • the water for returning through the water outlet soft joint 68 of the third conduit 66 after entering the ultrasonic monitoring treatment unit 1 is returned, and one end of the return water outlet soft joint 70 is sealingly connected with the other end of the fourth pipeline, and the water is returned.
  • the other end of the outlet soft joint 70 is sealingly connected to the cooling unit 3.
  • the water outlet soft joint 68 of the third conduit 66 enters the ultrasonic monitoring treatment unit 1, and then the water that has been refluxed after ultrasonic monitoring of the treatment unit 1 is discharged into the cooling unit 3 through the fourth conduit 69.
  • FIG. 5 and 6 are schematic views showing the working state of the ultrasonic treatment apparatus according to Embodiment 1 of the present invention.
  • the treatment process of the present invention will be described in detail below with reference to FIG.
  • the operator immerses the patient after the enema in the treatment area of the bed.
  • the bed and the movement unit 2 are adjusted, and the ultrasound monitoring treatment unit 1 is aimed at the patient's anus 17, ready for treatment.
  • the operator activates the cooling unit 3 and the drive unit 4 through the control unit 5, and under the guidance of the ultrasonic imaging device 15, manually operates the motion unit 2 to insert the ultrasound monitoring treatment unit 1 into the rectum 19 to reach the deepest treatment area. At this point, as the starting point of treatment.
  • the ultrasound imaging device 15 operates in synchronization with the motion unit 2, pre-scanning the entire treatment zone in the X direction and recording the stratification of the treatment zone. After the pre-scanning is completed, under the control of the control unit 5, the ultrasound monitoring treatment unit 1 returns to the position of the starting plane of the above treatment, and is ready to activate the piezoelectric transducer A12 or the piezoelectric transducer B13.
  • the motion unit 2 drives the inner cavity 16 to rotate exactly 90° so that the focal center planes of the piezoelectric transducer A12 or the piezoelectric transducer B13 coincide (i.e., coincide with the starting surface).
  • the drive unit 4 and the motion unit 2 drive the piezoelectric transducer A12 or the piezoelectric transducer B13 to perform linear treatment on the starting surface.
  • the motion unit 2 drives the inner cavity 16 to rotate to the initial state of treatment, so that the fan-sweep center surface coincides with the treatment plane, and the treatment is observed. If no treatment is needed, the exercise unit 2 proceeds to the next treatment plane according to the pre-scan procedure until the end of treatment.
  • the piezoelectric transducer A12 or B13 and the ultrasonic imaging device 15 are alternately driven by the motion unit 2 and the drive unit 4 throughout the treatment process. working.
  • the operator manually manipulates the motion unit 2 under the guidance of the ultrasonic imaging device 15 to cause the ultrasonic monitoring treatment unit 1 to exit the rectum 17 and return to the original position.

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

Abstract

Un appareil de traitement ultrasonique comprend une unité de traitement de surveillance ultrasonique, une unité mobile, une unité d’entraînement, et une unité d’affichage d’image. L’unité de traitement de surveillance ultrasonique comprend une chambre et un piézotransducteur, et un moyen d'imagerie ultrasonique est disposé dans la chambre. Le moyen d'imagerie est connecté à l'unité d'affichage d'image. La chambre comprend une chambre externe et une chambre interne, et la chambre externe recouvre la chambre interne. Une fenêtre est installée sur la chambre externe. Le piézotransducteur et le moyen d'imagerie sont encastrés dans la chambre interne respectivement et constituent une structure à mode de fonctionnement alterné. La structure à mode de fonctionnement alterné peut être une structure rotative, c’est-à-dire que la chambre interne est de forme cylindrique. Le piézotransducteur et le moyen d'imagerie sont encastrés en parallèle dans la paroi de chambre interne le long de la surface de forme annulaire de la chambre pour correspondre à la fenêtre. La chambre interne peut être l’axe rotatif de la chambre externe. Il n’y aura pas d’interférence d’image entre le moyen d'imagerie et le transducteur.
PCT/CN2006/001718 2005-08-30 2006-07-17 Appareil de traitement ultrasonique pour maladie de la prostate WO2007025438A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200510093457.2 2005-08-30
CNA2005100934572A CN1923315A (zh) 2005-08-30 2005-08-30 前列腺疾病的超声波治疗装置

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WO2007025438A1 true WO2007025438A1 (fr) 2007-03-08

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PCT/CN2006/001718 WO2007025438A1 (fr) 2005-08-30 2006-07-17 Appareil de traitement ultrasonique pour maladie de la prostate

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WO (1) WO2007025438A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115920167A (zh) * 2023-03-15 2023-04-07 四川大学华西医院 一种智慧灌肠超声治疗仪及其使用方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102397647A (zh) * 2011-11-24 2012-04-04 何伟宗 超声波结合脱肛药物治疗脱肛的方法及装置
CN104013432A (zh) * 2014-06-12 2014-09-03 苏州森斯凌传感技术有限公司 超声波探头的冷却系统
CN106890010A (zh) * 2015-12-18 2017-06-27 牛晓尧 一种外科手术用器械
CN109011226A (zh) * 2018-08-28 2018-12-18 何维冲 一种超声波美容仪治疗枪

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Publication number Priority date Publication date Assignee Title
US5471988A (en) * 1993-12-24 1995-12-05 Olympus Optical Co., Ltd. Ultrasonic diagnosis and therapy system in which focusing point of therapeutic ultrasonic wave is locked at predetermined position within observation ultrasonic scanning range
CN2271908Y (zh) * 1996-03-29 1998-01-07 西安工业学院 高频超声波前列腺治疗仪
US5720287A (en) * 1993-07-26 1998-02-24 Technomed Medical Systems Therapy and imaging probe and therapeutic treatment apparatus utilizing it
US5762066A (en) * 1992-02-21 1998-06-09 Ths International, Inc. Multifaceted ultrasound transducer probe system and methods for its use

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
US5762066A (en) * 1992-02-21 1998-06-09 Ths International, Inc. Multifaceted ultrasound transducer probe system and methods for its use
US5720287A (en) * 1993-07-26 1998-02-24 Technomed Medical Systems Therapy and imaging probe and therapeutic treatment apparatus utilizing it
US5471988A (en) * 1993-12-24 1995-12-05 Olympus Optical Co., Ltd. Ultrasonic diagnosis and therapy system in which focusing point of therapeutic ultrasonic wave is locked at predetermined position within observation ultrasonic scanning range
CN2271908Y (zh) * 1996-03-29 1998-01-07 西安工业学院 高频超声波前列腺治疗仪

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115920167A (zh) * 2023-03-15 2023-04-07 四川大学华西医院 一种智慧灌肠超声治疗仪及其使用方法

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