WO2007051381A1

WO2007051381A1 - Ultrasound treatment apparatus for prostate disease

Info

Publication number: WO2007051381A1
Application number: PCT/CN2006/001721
Authority: WO
Inventors: Zhilong Wang; Zhibiao Wang; Yi Tong; Fucheng Sun; Xianglin Xiao
Original assignee: Chongqing Haifu (Hifu) Technology Co., Ltd.
Priority date: 2005-11-07
Filing date: 2006-07-17
Publication date: 2007-05-10
Also published as: CN100594046C; CN1961991A

Abstract

An ultrasound treatment apparatus comprises an ultrasound monitoring treatment unit, a moving unit for moving the ultrasound monitoring treatment unit, a driving unit, a controlling unit for controlling the ultrasound monitoring treatment unit, and an image display unit. The ultrasound monitoring treatment unit comprises a chamber and a piezo transducer, and an ultrasound imaging means are provided in the chamber. The imaging means is connected to the image display unit. Wherein, the Chamber has a structure with two operating mode, an open mode and a close mode. In the open mode, the ultrasound transducer opens and extends to the lateral sides and locates on the two sides of the apparatus. There will not be any image interference between the imaging means tand the transducer, and the rectum will not be injured during treating.

Description

Ultrasonic treatment device for treating prostate diseases

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. In recent years, according to the statistics of authoritative departments, young and middle-aged men over 20 years old

40% - 60% suffer from chronic prostatitis, about 60% of men over 50 years old, and about 80% of older men over 60 years old have prostatic hyperplasia.

There are currently three main methods for treating prostate diseases, namely, medical treatment, surgical treatment, and physical therapy. These three treatment methods have their own shortcomings: 1. Drug treatment: Because the prostate body has a dense capsule, the drug is not easy to penetrate, so the treatment effect is not satisfactory; 2. Surgical treatment: Prostatic hyperplasia can be surgically removed, but a section After time, there will be hyperplasia, and there are certain risks in surgery. 3. Physical therapy: Physical therapy is a conservative treatment for prostate patients, but it is mostly a physiotherapy method and cannot be cured. Therefore, these methods are not effective treatments and can not alleviate the pain of prostate patients.

In recent years, high-intensity focused ultrasound has been widely used in cancer therapy, and it has become the most advanced non-invasive treatment in the world, and it has also made it possible to use ultrasound technology to treat prostate diseases. 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 focused ultrasound therapy device for treating the prostate disclosed in U.S. Patent No. 5,676,692, US Pat. No. 5,676, 992, U.S. Patent No. 5,762, 066, and EP 0 552 995, the following problems are common: 1. Due to the limitation of the position of the rectum, the focus angle of the ultrasonic transducer unit is small, to achieve For the purpose of treatment, the ultrasound energy must be increased, which is easy to cause rectal injury; 2. The ultrasound transducer unit is simultaneously emitted with the ultrasound graphic device, because the interval is small, the ultrasound image Image interference occurs between the device and the ultrasound transducer unit; 3. The image transducer is small, and 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 ultrasonic treatment device disclosed in Chinese Patent Publication No. CN1342057A can observe the entire appearance of the prostate from different angles, and can be accurately positioned, but the implementation cost is high and the equipment is complicated. In addition, the focus angle of the ultrasonic transducer unit is still small, although the corresponding measures have been taken, the rectal injury cannot be avoided in the actual implementation process. Summary of the invention

The technical problem to be solved by the present invention is to provide the above-mentioned shortcomings of the ultrasonic treatment device in the prior art, and to provide an image interference between the ultrasonic image device and the ultrasonic transducer, which is relatively simple in structure and does not cause rectal damage. Ultrasonic treatment device.

The technical solution adopted to solve the technical problem of the present invention is that the ultrasonic treatment device for treating prostate diseases includes an ultrasonic monitoring and treatment unit, a motion unit for moving the ultrasonic monitoring treatment unit, a control unit for controlling the ultrasonic monitoring treatment unit, a driving unit, and an image. The display unit, the ultrasonic monitoring treatment unit comprises a cavity, the cavity comprises an ultrasonic transducer and an ultrasonic imaging device, and the ultrasonic imaging device is connected to the image display unit, wherein the cavity adopts an opening and closing structure, that is, the cavity has two kinds of opening and closing. In the structural form, the ultrasonic transducer is deployed to both sides of the cavity when opened, and placed on both sides of the ultrasonic imaging device.

When the cavity is closed, the ultrasonic transducer is located above the ultrasonic imaging device, and the ultrasonic transducer and the ultrasonic imaging device together form a closed curve of the cavity section, and the cavity has an opening and closing motion mechanism for causing the cavity to open and close. The moving mechanism is connected to the ultrasonic transducer. The opening and closing motion mechanism comprises a micro motor and a retractable connecting mechanism driven by a micro motor, the connecting mechanism comprises a screw rod, a connecting rod and a nut connected with the micro motor, and the nut is set on the screw rod, and one end of the connecting rod is The nut is connected and the other end is connected to the ultrasonic transducer.

Preferably, the cavity is cylindrical, and when the cavity is closed, the ultrasonic transducer and the ultrasonic imaging device together form a circular closed curve of the cavity section, and the ultrasonic transducer and the ultrasonic imaging device are tiling when the cavity is opened arrangement. In this way, the ultrasonic transducer and the ultrasonic imaging device are circumferentially distributed in the cavity when the cavity is closed, and the ultrasonic transducer and the ultrasonic imaging device are arranged in a tile shape when opening, which can increase the emission area of the ultrasonic wave, increase the energy absorption ratio, and simultaneously focus. Size and coke The distance is controllable.

When the patient is treated, the ultrasonic transducer and the ultrasound imaging device have an angle ranging from 100° to 160°.

In order to achieve a better therapeutic effect without damaging the rectum, there are at least two ultrasound transducers, and each ultrasound transducer has a different focal length and frequency.

In order to guide the ultrasound monitoring treatment unit to smoothly enter the rectum, thereby reducing the pain of the patient during treatment, a rectal guiding area having a conical front end and a small rear end may be provided at the front end of the cavity, and the opening and closing motion mechanism may be located in the rectal guide. In the gap inside the area.

The ultrasonic treatment device may further comprise a cooling unit, wherein the hole in the cavity communicates with the cooling unit, and the hole in the cavity may be a plurality of holes, which is used as a water path for cooling the heat generated by the ultrasonic transducer to avoid the temperature being too high. Caused by damage to the rectal wall. This hole can also be used as a conduit for other devices that need to be mounted to the cavity.

The invention enables the ultrasonic transducer to be alternately operated with the ultrasonic imaging device, so that no image interference occurs and the therapeutic device is positioned accurately. At the same time, the cavity is opened and closed, the ultrasonic transducer can be deployed to both sides of the cavity, and the position of the ultrasonic transducer can be adjusted by the control unit, thereby increasing the range of the ultrasonic transducer, which is better. The ground meets the needs of treatment, increases the emission area of the ultrasound, increases the energy absorption ratio, and avoids causing rectal injury. DRAWINGS

Figure 1 is a block diagram of the structure of the present invention

Figure 2 is an outline view of the ultrasonic monitoring and treatment unit 1 of the present invention

FIG. 3A is a structural diagram of the ultrasonic monitoring and treatment unit 1 of the present invention after entering the human anus 17 and the cavity is closed.

FIG. 3B is a structural diagram of the image monitoring when the ultrasound monitoring and treatment unit 1 of the present invention enters the human anus 17

FIG. 3C is a structural diagram of the ultrasound monitoring and treatment unit 1 of the present invention after being positioned and treated.

4 is a schematic view of a treatment mode according to Embodiment 1 of the present invention;

5A is a schematic structural view of a four-way flexible wire 61 according to Embodiment 1 of the present invention. FIG. 5B is a schematic structural view of an inlet and outlet water passage and an electrical connection passage in Embodiment 1 of the present invention. Figure

6A is a schematic structural view of a cavity when the cavity is opened according to Embodiment 1 of the present invention;

6B is a schematic structural view of the cavity in the first embodiment of the present invention (without the rectal guide zone 11)

In the figure: 1 - Ultrasound monitoring treatment unit 2 - Motion unit 3 - Cooling unit 4 - Driving unit 5 - Control unit 51 - Image display unit 11 Always intestine guiding area 12 - First ultrasonic transducer 13 - Second ultrasonic transduction 14 a sound-transmissive film 15 - ultrasonic imaging device 16 - cavity 17 - anus 18 - prostate 19 continuous intestine 20 - seminal vesicle 21 - bladder 22 - urethra 61 - four-way flexible wire 62 - first channel 63 - coaxial cable 64 - second channel 65 - multi-core signal line 66 - third channel 67 - water inlet soft joint 68 - water outlet soft joint 69 - fourth channel 70 - water pump 71 - return water outlet soft joint 72 - return water inlet soft joint 73 - micro motor 74 - screw rod 75 - nut 76 - connecting rod 77 - treatment starting plane 78 - fan sweep center plane / focus center plane

The present invention will be further described in detail below with reference to the embodiments and the accompanying drawings.

As shown in FIG. 1, the ultrasonic treatment apparatus of the present invention comprises an ultrasound monitoring treatment unit 1, a motion unit 2 for moving the ultrasound monitoring treatment unit 1, a driving unit 4, a control unit 5 for controlling the ultrasound monitoring treatment unit 1, and an image display unit. 51.

The motion unit 2 can drive the ultrasonic monitoring treatment unit 1 for precise positioning of the telescopic motion, the front and rear translation and the rotational motion; the control unit 5 can control the motion of the ultrasound monitoring treatment unit 1 and the emission of the ultrasound according to the grayscale variation of the ultrasound imaging device 15. The drive unit 4 supplies an ultrasonic transmission source to the first ultrasonic transducer 12 and/or the second ultrasonic transducer 13 and the ultrasonic imaging device 15 under the control of the control unit 5.

As shown in FIG. 2, the ultrasound monitoring treatment unit 1 includes a cavity 16 having an ultrasonic transducer therein for bonding or otherwise securing the first ultrasonic transducer 12 and the second ultrasonic transducer 13 The sound permeable membrane 14 on the upper, the ultrasonic imaging device 15.

The cavity 16 is opened and closed, that is, the cavity 16 has two structural forms of opening and closing. When closed, the ultrasonic transducer is located above the ultrasonic imaging device 15, and the ultrasonic transducer is turned on when opened. The expander is deployed to both sides of the cavity 16. This open-close configuration of the cavity 16 allows the ultrasonic imaging device 15 to alternate with the ultrasonic transducer. After the ultrasonic transducer is deployed to both sides of the cavity 16, the position of the ultrasonic transducer can be adjusted by the control unit 5 as needed, thereby increasing the range of motion of the ultrasonic transducer and avoiding damage to the rectum.

The opening and closing movement of the cavity 16 is realized by an opening and closing movement mechanism at the front end of the cavity. As shown in FIG. 6B, the opening and closing movement mechanism includes a micro motor 73 and a retractable connecting mechanism driven by the micro motor 73. The connecting mechanism is fixedly connected to the cavity 16.

In order to guide the ultrasound monitoring treatment unit 1 to smoothly enter the rectum, thereby reducing the patient's pain during treatment, the front end of the cavity 16 has a rectal guiding area 11 having a conical front end and a small rear end, and the opening and closing motion mechanism is located in the rectal guide. In the internal space of the zone 11.

The ultrasonic treatment apparatus of the present invention may further include a cooling unit 3 having a hole in the cavity 16 communicating with the cooling unit 3. There may be a plurality of holes in the cavity 16 for use as a water path for cooling the heat generated by the ultrasonic transducer to avoid damage to the rectal wall due to excessive temperature. The hole can also be used as a passage for other devices that need to be mounted to the cavity, such as the circuit in which the drive unit 4 is mounted. A multi-channel cord may be embedded in the rear end of the cavity 16, which may include an electrical passage and an inlet and outlet passage.

When 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 exercise unit 2, the body portion of the prostate 18 can be treated after reaching the designated treatment area. The following examples are non-limiting examples of the invention.

Example 1

As shown in Fig. 1, in the present embodiment, 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. A bed (not shown) is connected to the ultrasonic 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. In order to fix the height of the ultrasound monitoring treatment unit 1, the treatment can be better, and the ultrasonic monitoring treatment unit installation area can be adjusted up and down according to different postures of different patients.

As shown in Fig. 2, the ultrasonic monitoring treatment unit 1 includes a cavity 16 having an ultrasonic transducer, a sound-permeable membrane 14 bonded to the ultrasonic transducer, and an ultrasonic imaging device 15. The ultrasonic transducer is a piezoelectric transducer, and the piezoelectric transducer is composed of a single wafer or an array of multi-chips. In this embodiment, the ultrasonic transducer uses two single-wafer transducers, that is, the first ultrasonic transducer. The first ultrasonic transducer 12 and the second ultrasonic transducer 13 have different focal lengths and frequencies, and the first ultrasonic transducer 12 has a focal length of 30 匪 at a frequency of At 2 MHz, the second ultrasonic transducer 13 has a focal length of 40 imn and a frequency of lfflz. The ultrasonic imaging apparatus 15 employs a B-ultrasound.

Wherein, the shape of the cavity 16 is a cylindrical shape adapted to the inner wall of the rectum 19, and the cavity adopts an open-close structure, that is, the cavity has two structural forms of opening and closing, as shown in FIG. 3A, 3B, and 3C, the cavity When the 16 is closed, the first ultrasonic transducer 12 and the second ultrasonic transducer 13 are located above the ultrasonic imaging device 15, and the three are circumferentially distributed in the cavity 16, which together form a circular closed section of the cylindrical cavity 16. Curve; when the cavity 16 is open, the first ultrasonic transducer 12 and the second ultrasonic transducer 13 are respectively unfolded from the cavity 16 toward both sides of the cavity. In order to increase the emission area and increase the energy-concentration ratio, the ultrasonic transducer and the ultrasonic imaging device 15 are arranged in a tile shape. In this embodiment, the angle between the ultrasonic transducer and the ultrasonic imaging device 15 is 110 °. When the angle is fixed, the focus position is fixed.

As shown in Fig. 6A, at the front end of the cavity 16, there is a rectal guiding area 11 having a conical front end and a small rear end to guide the ultrasonic monitoring treatment unit 1 into the rectum smoothly, thereby reducing the pain of the patient during treatment.

As shown in Fig. 6B, the opening and closing motion of the cavity 16 is achieved by opening and closing the motion mechanism. The opening and closing movement mechanism includes a micro motor located in the inner space of the rectal guiding area 11

73 and a retractable connection mechanism. The micromotor 73 is used to drive a retractable connection mechanism that is fixedly coupled to the micromotor 73 and the cavity 16. The connecting mechanism comprises a screw rod 74, a nut 75 and two connecting rods 76. The screw rod 74 is fixedly connected with the micro motor 73. The nut 75 is fixedly connected with the two connecting rods 76. The connecting rod 76 and the cavity 16 are mounted with two ultrasonic waves. The inner wall of the transducer is fixedly connected. Under the driving of the micro motor 73, the screw 74 rotates, so that the nut 75 moves back and forth on the screw 74. Since the connecting rod 76 is connected to the inner wall of the cavity 16, the cavity 16 is driven to perform the kneading motion. When the nut 75 moves forward, the cavity 16 slowly closes; when the nut 75 moves rearward, the cavity 16 slowly opens.

At the same time, the cavity 16 is also drilled with a hole path, which communicates with the cooling unit 3, and serves as a cooling sheet. The channel of element 3, the circuit of the mounting drive unit 4, and the like.

As shown in FIG. 5B, the inner and rear ends of the cavity 16 are respectively drilled with a hole path, and a four-way flexible wire 61 is embedded in the rear end hole of the cavity 16. As shown in Fig. 5A, the four-way cord 61 includes four channels. The first passage 62 is internally provided with a sheathless 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 first ultrasonic transducer 12. The second ultrasonic transducer 13 and the ultrasonic imaging device 15; the second channel 64 is internally provided with 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 ultrasonic imaging device 15 for The third channel 66 is a water supply channel, and the water inlet port 67 is installed at one end of the third channel 66, and the water outlet soft connector 68 is installed at the other end. The water in the cooling unit 3 passes through the water pump connected thereto. 70 and the water inlet soft joint 67 connected to the water pump 70 are fed into the third passage 66 of the four-way flexible wire 61. Next, the water is sent to the ultrasonic monitoring treatment unit 1 through the water outlet soft joint 68 of the third passage 66 of the four-way cord 61 installed in the cavity 16; the fourth passage 69 is a return passage for the third The water discharged from the passage 66 is returned. The water return outlet soft joint 71 and the return water inlet soft joint 72 are respectively installed at both ends of the fourth passage 69, and one end of the return water inlet soft joint 72 is sealedly connected with one end of the fourth passage 69, and the other end and the ultrasonic monitoring The treatment unit 1 is sealingly connected to receive water that has flowed back through the water outlet soft joint 68 of the third passage 66 into the ultrasonic monitoring treatment unit 1, and one end of the return water outlet soft joint 71 and the other end of the fourth passage 69 Sealed connection, the other end of the return water outlet soft joint 71 is sealingly connected to the cooling unit 3. Thus, the water outlet soft joint 68 of the third passage 66 enters the ultrasonic monitoring treatment unit 1, and then the ultrasound treatment unit 1 is ultrasonically monitored, and then the water is returned to the fourth passage 69, and then discharged to the cooling unit 3 through the fourth passage 69. in.

In this embodiment, a temperature sensor may be installed in the cavity as needed. When the temperature sensor detects that the temperature of the ultrasonic monitoring treatment unit 1 is too high and may damage the rectal wall, the cooling unit may be activated to cool the ultrasonic monitoring treatment unit 1.

3A, 3B and 3C are schematic views showing the working state of the ultrasonic treatment apparatus of the embodiment. The treatment process of the present invention will be described in detail below with reference to Figs. 3A, 3B, 3C, and Fig. 4: First, the operator performs anesthesia by placing the patient after enema in the treatment area of the bed. At the same time, according to the patient's position, adjust the bed and movement unit 2, so that ultrasound monitoring treatment Unit 1 is aimed at the patient's anus 17 and is ready for treatment.

When the preparation is ready, as shown in Fig. 3A, the operator activates the cooling unit 3 and the drive unit 4 through the control unit 5, and manually operates the motion unit 2 to insert the ultrasonic monitoring treatment unit 1 into the rectum 19. After passing through the narrow zone of the anus 17, as shown in FIG. 3B, the operator controls the micromotor 73 to drive the telescopic connection mechanism to open the cavity 16 through the control unit 5, the first ultrasonic transducer 12 and the second ultrasonic transducer 13 is opened, and the subject is irradiated by the ultrasonic imaging device 15, and then the image information is fed back to the image display unit 51, and the operator controls the ultrasonic monitoring treatment unit 1 after obtaining the image information from the image display unit 51. Guided to the deepest point of the treatment area and used as the starting plane 77 for treatment. As shown in Fig. 4, from the starting plane 77 of the treatment, the ultrasound imaging device 15 operates in synchronization with the motion unit 2, pre-scanning the entire treatment area in the X direction and recording the stratification of the treatment area. 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 77 of the above treatment, ready to activate the first ultrasonic transducer 12 and/or the second ultrasonic transducer 13.

The operator freezes the initial B-ultrasound image, activates the cooling unit 3, and initiates treatment of the starting plane 77 of the treatment. As shown in FIG. 3C, the motion unit 2 controls the micro motor 73 to drive the retractable connection mechanism such that the first ultrasonic transducer 12 and/or the second ultrasonic transducer 13 perform an opening and closing motion, so that the two ultrasonic transducers are 110. °, the focal center plane of the two ultrasonic transducers coincides with the linear B-ultrasonic sweep center plane 78, and the above preset angle is achieved by setting the angle parameter of the ultrasonic transducer in the control unit 5. According to the patient's treatment needs, the driving unit 4 and the motion unit 2 drive the first ultrasonic transducer 12 and/or the second ultrasonic transducer 13 to perform linear treatment on the starting surface, and during the treatment, the cooling unit passes through the cavity The holes in the 16 provide water to cool the heat generated by the ultrasonic transducer.

After the treatment is completed, the B-mode image is released from freezing, and the motion unit 2 drives the first ultrasonic transducer 12 and/or the second ultrasonic transducer 13 to return to the initial state of treatment, so that the fan sweep center surface 78 coincides with the treatment plane, and observes the treatment. Happening. 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 first ultrasonic transducer 12 and/or the second ultrasonic transducer 13 and the ultrasonic imaging device 15 alternately operate under the drive of the motion unit 2 and the drive unit 4 throughout the treatment.

After the treatment is completed, the operator manually controls the operation under the guidance of the ultrasonic imaging device 15. The moving unit 2, after the micro motor 73 drives the connecting mechanism to close the cavity 16, the first ultrasonic transducer 12 and the second ultrasonic transducer 13 return to the original position, so that the ultrasonic monitoring treatment unit 1 withdraws from the rectum 17, and stops The ultrasonic transducer provides cooling water.

Claims

Claim

1. An ultrasonic treatment device for treating prostate diseases, comprising an ultrasound monitoring treatment unit, a motion unit for moving the ultrasound monitoring treatment unit, a control unit for controlling the ultrasound monitoring treatment unit, a driving unit, an image display unit, and an ultrasound monitoring treatment unit The invention comprises a cavity, the cavity comprises an ultrasonic transducer and an ultrasonic imaging device, and the ultrasonic imaging device is connected with the image display unit, wherein the cavity adopts an opening and closing structure, that is, the cavity has a structure of opening and closing, opening The ultrasonic transducer is deployed to both sides of the cavity and placed on either side of the ultrasound imaging device.

2. The ultrasonic treatment apparatus for treating prostate diseases according to claim 1, wherein the ultrasonic transducer is located above the ultrasonic imaging device when the cavity is closed, and the ultrasonic transducer and the ultrasonic imaging device together form a closed curve of the cavity section. The opening and closing movement mechanism for causing the cavity to open and close is also connected to the ultrasonic transducer.

3. The ultrasonic treatment apparatus for treating prostate diseases according to claim 2, wherein the opening and closing movement mechanism comprises a micro motor and a retractable connection mechanism driven by the micro motor, and the connection mechanism comprises a micro motor. The connected screw rod, connecting rod, nut and nut are set on the screw rod, one end of the connecting rod is connected with the nut, and the other end is connected with the ultrasonic transducer.

4. The ultrasonic treatment apparatus for treating prostate diseases according to claim 2, wherein the cavity is cylindrical, and when the cavity is closed, the ultrasonic transducer and the ultrasonic imaging device together form a circular closed curve of the cavity section. When the cavity is opened, the ultrasonic transducer and the ultrasonic imaging device are arranged in a tile shape.

5. The ultrasonic treatment apparatus for treating prostate diseases according to claim 1, wherein the ultrasonic transducers are at least two.

6. The ultrasonic treatment device for treating prostate diseases according to claim 5, It is characterized in that each ultrasonic transducer has a different focal length and frequency.

The ultrasonic therapeutic apparatus for treating prostate diseases according to any one of claims 1 to 6, wherein the ultrasonic transducer and the ultrasonic imaging apparatus have an angle ranging from 100 ° to 160 ° during the treatment.

The ultrasonic treatment apparatus for treating prostate diseases according to any one of claims 1 to 6, wherein the ultrasonic treatment apparatus further comprises a cooling unit, wherein the cavity has a hole passage communicating with the cooling unit.

The ultrasonic treatment apparatus for treating prostate diseases according to any one of claims 1 to 6, wherein the front end of the cavity has a rectal guiding area having a conical front end and a small rear end.

The ultrasonic treatment apparatus for treating prostate diseases according to any one of claims 1 to 6, wherein the ultrasonic imaging apparatus employs a B-ultrasound.