CN1990062B - MRI/CT device guided high intensity ultrasound therapy system - Google Patents

Abstract

The invention belongs to the technical field of ultrasonic treatment, and relates to a high-intensity ultrasonic treatment system guided by an MRI/CT device, which includes an MRI/CT device and a movable ultrasonic treatment device. The MRI/CT device includes a treatment bed and a movable ultrasonic treatment device. The ultrasonic treatment unit includes an ultrasonic treatment unit, and the ultrasonic treatment unit includes an ultrasonic transducer. The movable ultrasonic treatment equipment also includes a patient accommodation unit and a movable unit. The patient accommodation unit includes a bed body and a bed support under the bed body. device, the bed has a small hole, the ultrasonic transducer is placed at the corresponding position below the small hole, the bed support device is fixed on the movable unit, the movable unit adopts a pulley mechanism, and the ultrasonic treatment unit is movably connected with the bed or Fixedly connected, the bed supporting device is provided with a hole through which the treatment bed in the MRI/CT device can pass. The ultrasonic therapy equipment of the present invention is convenient and flexible to move, so the patient does not need to be moved back and forth, which reduces the pain of the patient's treatment.

Description

MRI/CT device-guided high-intensity ultrasound therapy system

technical field

The invention belongs to the technical field of ultrasonic treatment, and relates to a high-intensity ultrasonic treatment system guided by an MRI/CT device.

Background technique

High-intensity focused ultrasound therapy technology can form high-intensity and continuous ultrasonic energy on the lesion by focusing the ultrasound, thereby producing transient high-temperature effects (60°C to 100°C), cavitation effects, mechanical effects, and sonochemical effects, making the cell membrane , Nuclear membrane rupture, protein coagulation, selective coagulation necrosis of the lesion tissue, so that the lesion loses the ability to proliferate, infiltrate and metastasize. As a new technology for the treatment of tumors and other diseases, high-intensity focused ultrasound therapy has been clinically recognized and is widely used in the treatment of various tumors and non-tumor diseases.

The existing technology is used for ultrasonic treatment equipment, such as the "ultrasonic focused tumor ablation machine" produced by Shanghai Aishen Technology Development Co., Ltd., etc. During treatment, the patient is placed on a fixed treatment bed, and the patient is placed above the patient The ultrasonic therapy device treats the lesion. Before the treatment, the patient is generally sent from the mobile bed to the treatment bed of the ultrasonic treatment equipment, and the patient needs to be moved; after the treatment, the patient needs to be moved from the treatment bed of the ultrasonic treatment equipment to the mobile bed. Sending back to the ward, moving back and forth like this is very painful for the patient, and also delays precious treatment time.

Contents of the invention

The technical problem to be solved by the present invention is to provide an MRI/CT device-guided high-intensity ultrasonic treatment system that does not need to move the patient back and forth and can perform high-quality ultrasonic treatment on the patient for the above-mentioned shortcomings of the ultrasonic treatment equipment in the prior art. .

The technical solution adopted to solve the technical problem of the present invention is that the high-intensity ultrasonic therapy system guided by the MRI/CT device includes an MRI/CT device and a movable ultrasonic therapy device, the MRI/CT device includes a treatment bed, and the movable The mobile ultrasonic treatment equipment includes an ultrasonic treatment unit, and the ultrasonic treatment unit includes an ultrasonic transducer, wherein the mobile ultrasonic treatment equipment also includes a patient accommodation unit and a movable unit, and the patient accommodation unit includes a bed and the bed supporting device under the bed, the bed is provided with a small hole, the ultrasonic transducer is placed at the corresponding position below the small hole, the bed supporting device is fixed on the movable unit, and the movable The unit adopts a pulley mechanism, and the ultrasonic therapy unit is movably connected or fixedly connected with the bed body, and the bed support device is provided with a hole through which the treatment bed in the MRI/CT device can pass.

Wherein, the patient accommodating unit may include a bed body and a bed body support device under the bed body. There are slide rails on the bed body support device. Sliding up and down, it is convenient for the operator to perform manual operation during the treatment process.

In order to precisely control the ultrasonic transducer and provide high-quality treatment to patients, the ultrasonic treatment unit may further include a movement mechanism of the ultrasonic transducer and a control system thereof.

A small hole is opened on the bed body, and the ultrasonic transducer is placed at a corresponding position below the small hole.

Preferably, there is an ultrasonic conducting medium containing device at the lower part of the small hole, the ultrasonic transducer is placed in the device, and the ultrasonic conducting medium containing device can be filled with degassed water. Wherein, the ultrasonic conduction medium containing device may adopt an open water bag.

Since the ultrasonic treatment unit can be movably or fixedly connected to the patient accommodation unit, when the ultrasonic treatment unit is movably connected to the patient accommodation unit, if the treatment equipment needs to be moved, the ultrasonic treatment unit can be removed from the patient accommodation unit; Reconnect during treatment.

The connection between the ultrasonic transducer and its motion mechanism and control system can also be set as a fixed connection or a detachable connection. When the connection is detachable, if the ultrasonic transducer is placed in the ultrasonic conductive medium containment device, the ultrasonic treatment equipment needs to be moved when the patient is transported. At this time, the movement mechanism, control system and ultrasonic transducer can be combined. Disconnect and remove it from the patient accommodating unit; reconnect with the ultrasound transducer for treatment. In addition, the motion mechanism and control system can also be placed outside the patient accommodation unit and only connected to the ultrasonic transducer.

The patient accommodating unit has holes through which diagnostic imaging equipment can pass. The holes are used to facilitate the passage of treatment beds for equipment such as CT machines and MRI (Magnetic Resonance Imaging) devices, and to enhance the compatibility between the ultrasonic treatment device and diagnostic imaging equipment.

The mobile ultrasonic treatment equipment of the present invention has an integrated design of the ultrasonic treatment device and the movable mechanism, so that the patient can be directly accommodated on the equipment for treatment, avoiding the pain caused by moving back and forth and moving the bed body, and also Saves treatment time.

A diagnostic imaging equipment-guided high-intensity ultrasonic treatment system including the above-mentioned movable ultrasonic treatment equipment, including the diagnostic imaging equipment, the patient accommodating unit of the movable ultrasonic treatment equipment can be placed in the imaging area of the diagnostic imaging equipment .

The system of high-intensity ultrasound therapy guided by the diagnostic imaging equipment can perform more precise treatment on patients. Wherein, the diagnostic imaging equipment can be a B-ultrasound machine, a CT machine, an X-ray machine or an MRI device. Since there is a hole on the bed support device through which diagnostic imaging equipment can pass, the hole is convenient for the treatment bed of equipment such as a CT machine and an MRI (Magnetic Resonance Imaging) device to pass through the diagnostic imaging equipment. The compatibility between the inventive diagnostic imaging equipment and the movable ultrasonic treatment equipment is good.

Description of drawings

Fig. 1 is the structural representation of movable ultrasonic treatment equipment of the present invention

Fig. 2 is a schematic structural diagram of a high-intensity ultrasound treatment system guided by diagnostic imaging equipment in Embodiment 1 of the present invention (the movable ultrasound treatment equipment is combined with the MRI/CT device)

Fig. 3 is a schematic structural diagram of a high-intensity ultrasound treatment system guided by diagnostic imaging equipment in Embodiment 2 of the present invention (the mobile ultrasound treatment equipment is combined with an X-ray machine)

In the figure: 1-bed body 2-bed body support device 3-small hole 4-ultrasonic transducer 5-hole circuit 6-movement mechanism 7-control system 8-pulley 9-water bag 10-MRI/CT device 11- (MRI/CT) treatment bed 12-X-ray machine

Detailed ways

As shown in Figures 1-3, the mobile ultrasonic treatment device of the present invention includes an ultrasonic treatment unit and a movable mechanism, wherein the ultrasonic treatment unit and the movable mechanism can be combined into one body.

The movable mechanism includes a patient accommodating unit and a movable unit, the patient accommodating unit is fixed on the movable unit, and the ultrasonic treatment unit is movably connected or fixedly connected with the patient accommodating unit. The ultrasonic treatment unit can use an ultrasonic transducer 4 , the patient accommodating unit has a small hole 3 , and the ultrasonic transducer 4 is located below the small hole 3 and corresponding to the small hole 3 .

The patient accommodating unit includes a bed body 1 and a bed body supporting device 2 for supporting the bed body 1 under the bed body 1. The bed body supporting device 2 is fixed on a movable unit, and the movable unit may adopt a pulley mechanism.

The lower part of the small hole 3 can also have an ultrasonic conducting medium containing device, which can adopt an open water bag 9, which is filled with fluid, used as a couplant for ultrasonic treatment and cooling the heat generated by the ultrasonic transducer, so as to ensure high strength Ultrasound therapy safety and ideal therapeutic effect.

Preferably, the treatment device of the present invention may further include a movement mechanism 6 for moving the ultrasonic transducer 4 in all directions in space and a control system 7 for controlling the movement of the ultrasonic transducer 4 . The motion mechanism 6 and the control system 7 can be set to be fixed on the movable ultrasonic therapy device of the present invention, and be fixedly connected with the ultrasonic transducer 4; they can also be arranged outside the movable ultrasonic therapeutic device of the present invention, connected to the ultrasonic transducer 4 to form a detachable connection.

The ultrasonic transducer 4, the moving mechanism 6, and the control system 7 are sequentially connected. Under the control of the control system 7, the moving mechanism 6 drives the ultrasonic transducer 4 to move, so that the ultrasonic waves emitted by the ultrasonic transducer 4 are most properly focused on the patient lesion.

In order to understand the situation of the lesion before, during and after the treatment, the treatment equipment of the present invention can also be compatible with the diagnostic imaging equipment to form a high-intensity ultrasonic treatment system guided by the diagnostic imaging equipment. Wherein, the diagnostic imaging equipment can be an existing B-ultrasound machine, CT machine, X-ray machine or MRI device or other diagnostic imaging equipment that will appear in the future.

In order to avoid the impact of the movable ultrasonic treatment equipment on the imaging of the diagnostic imaging equipment, the bed body 1 and the bed body supporting device 2 in the movable mechanism are made of materials compatible with the diagnostic imaging equipment. In order to be better compatible with the diagnostic imaging equipment, The bed supporting device 2 has a hole 5 through which the diagnostic imaging equipment or its components pass.

During treatment, under the control of the control system 7, the movement mechanism 6 drives the ultrasonic transducer 4 to move, so that the ultrasonic waves emitted by the ultrasonic transducer 4 intersect with the imaging area of the diagnostic imaging equipment at the lesion treatment target area.

Below in conjunction with embodiment and accompanying drawing, the present invention is further described in detail.

The following examples are non-limiting examples of the invention.

Example 1:

As shown in Figures 1 and 2, the mobile ultrasonic treatment equipment of the present invention includes an ultrasonic treatment device and a movable mechanism. Wherein, the ultrasonic therapy device includes an ultrasonic transducer 4 , its motion mechanism 6 and a control system 7 . The movable mechanism includes a patient accommodating unit and a movable unit. In this embodiment, the patient accommodating unit includes a bed body 1 and a bed body supporting device 2 at the lower part of the bed body 1 . A slide rail is arranged on the bed supporting device 2, and a chute matched with the slide rail is arranged at the bottom of the bed body 1. The movable unit is a pulley 8 installed on the bottom of the bed support device 2 .

As shown in Fig. 1, a small hole 3 is opened at the protruding end of the bed body 1, and the ultrasonic conductive medium containing device is fixed on the lower part of the small hole 3 by bonding or other means. In this embodiment, the ultrasonic conductive medium containing device adopts an open Type flexible water bag 9, wherein the filling fluid is degassed water, ultrasonic transducer 4 is placed in water bag 9, degassed water is used as the couplant of ultrasonic treatment and the heat that cooling ultrasonic transducer 4 produces.

The ultrasonic transducer 4, the motion mechanism 6, and the control system 7 are connected sequentially, and the motion mechanism 6 and the control system 7 are fixedly connected to the lower part of the bed body 1. A hole 5 through which diagnostic imaging equipment can pass is reserved on the bed support device 2 .

As shown in Fig. 2, the diagnostic imaging equipment and the movable ultrasonic treatment equipment of the present invention constitute a high-intensity ultrasonic treatment system guided by the diagnostic imaging equipment of the present invention. In this embodiment, the diagnostic imaging equipment is an existing MRI/CT apparatus 10 .

In order to prevent the ultrasonic treatment equipment of the present invention from affecting the imaging quality of the MRI/CT apparatus 10, the bed 1 and the bed support device 2 in the present invention are made of nickel-zinc-copper alloy.

When using the movable high-intensity ultrasonic treatment equipment of the present invention to perform ultrasonic treatment, the patient is first placed on the bed body 1, and then the treatment equipment of the present invention is pushed to the front of the MRI/CT device 10, so that the inherent treatment bed 11 of the MRI just passes through Hole Road 5. Under the control of the control system 7, the movement mechanism 6 drives the ultrasonic transducer 4 to move, so that the ultrasonic waves emitted by the ultrasonic transducer 4 intersect with the imaging area of the MRI in the lesion treatment target area for treatment.

Example 2:

As shown in Figure 3, the diagnostic imaging equipment and the movable ultrasonic treatment equipment of the present invention constitute a high-intensity ultrasonic treatment system guided by the diagnostic imaging equipment of the present invention, wherein the diagnostic imaging equipment is an X-ray machine.

Other structures and treatment methods of this embodiment are the same as those of Embodiment 1.

Claims (4)

1. the high intensity ultrasound treatment system of a MRI/CT device guiding comprises MRI/CT device and removable ultrasonic therapeutic apparatus, includes therapeutic bed in the said MRI/CT device; Comprise the ultrasonic therapeutic unit in the said removable ultrasonic therapeutic apparatus, the ultrasonic therapeutic unit includes ultrasonic transducer, it is characterized in that also including in the removable ultrasonic therapeutic apparatus patient's accommodating unit, removable unit; Said patient's accommodating unit includes the bed body supporting device under a body and the bed body; Have aperture on the said bed body, ultrasonic transducer places the relevant position of aperture below, and said bed body supporting device is fixed on the removable unit; Said removable unit adopts pulley mechanism; The ultrasonic therapeutic unit flexibly connects or is fixedly connected with said bed body, and bed body supporting device is provided with the Kong Lu that the therapeutic bed in the MRI/CT device can pass through, and slide rail is arranged on the bed body supporting device; The chute that cooperates with slide rail is arranged at bed body bottom, and the bed body can slidably reciprocate on bed body supporting device.

2. high intensity ultrasound treatment according to claim 1 system is characterized in that said ultrasonic therapeutic unit also includes the motion and the control system thereof of ultrasonic transducer.

3. high intensity ultrasound treatment according to claim 1 system is characterized in that ultrasonic conducting medium accommodating device is arranged at said aperture bottom, and ultrasonic transducer places this device.

4. high intensity ultrasound treatment according to claim 3 system is characterized in that full in the said ultrasonic conducting medium accommodating device de aerated water being arranged.

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