CN111407301A

CN111407301A - Remote positioning system for CT system

Info

Publication number: CN111407301A
Application number: CN202010281626.XA
Authority: CN
Inventors: 贡程; 杨海粟; 王宁
Original assignee: Suzhou Boying Medical Technology Co ltd
Current assignee: Suzhou Boying Medical Technology Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-07-14

Abstract

The invention discloses a remote positioning system for a CT system, which is characterized in that: the system mainly comprises a monitoring device and a positioning control device, wherein the monitoring device comprises a positioning probe device for monitoring the positioning condition of a patient and a display device for receiving and displaying images acquired by the positioning probe device in real time; the positioning control device comprises a remote positioning box arranged in an operating room, a motion control system for controlling the motion of a scanning bed in the CT system, and a communication system for connecting the remote positioning box and the motion control system; the remote positioning box mainly comprises a box body, a plurality of control buttons and a control circuit for converting actions of the control buttons into control signals, and the control signals are sent to the motion control system through the communication system. The invention realizes the remote control of the scanning bed, is convenient to position and can effectively avoid cross infection between doctors and patients.

Description

Remote positioning system for CT system

Technical Field

The invention relates to medical equipment, in particular to a device for a CT system, and particularly relates to a system capable of realizing remote positioning on the CT system.

Background

A ct (computed tomography) system, i.e. an electronic computed tomography system, is a device for providing high-resolution sectional images of a human body, has the characteristics of fast scanning time, clear images and the like, and can be used for the examination of various diseases.

The complete CT system mainly includes two areas, namely an operating room and a shielding room, wherein the operating room is mainly used for loading protocols and controlling exposure by an operator, and the shielding room is also called a scanning room and is mainly used for exposing a patient lying on a scanning bed. Wherein, a computer system is arranged in the operation room and mainly comprises a data acquisition system, a central processing system, an operation desk and the like; and the scanning protocol is loaded and the exposure is controlled through a user interaction interface. The X-ray tomography scanning device is arranged in the shielding room and mainly comprises a high-voltage generator, a bulb tube, a detector, a scanning bed and the like, wherein the scanning bed is a tool for carrying a detected person to complete a scanning task and is provided with a vertical motion control system and a horizontal motion control system. Before scanning, the operator needs to enter the scanning room in the prior art, and the scanning bed is moved to a proper detection starting position under the control of the vertical motion control system and the horizontal motion control system through a button arranged on the machine frame, namely, manual positioning is carried out.

Since the recent new coronavirus is abused, epidemic prevention becomes the biggest task in China, and the lung CT can diagnose the new coronavirus 2019-nCoV at early stage at present, but the situation that the new coronavirus is transmitted by people appears at present, and the virus can be transmitted to medical staff by the patients possibly during the positioning process of the medical staff, so that the large-scale cross infection is caused.

Therefore, how to avoid cross infection caused by the medical staff during the positioning process and the contact of the patients in the CT diagnosis process is a problem to be solved.

Disclosure of Invention

The invention aims to provide a remote positioning system for a CT system, which is used for isolating medical staff and patients and avoiding cross infection.

In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a remote positioning system for a CT system mainly comprises a monitoring device and a positioning control device, wherein the monitoring device comprises a positioning probe device for monitoring the positioning condition of a patient and a display device for receiving and displaying images acquired by the positioning probe device in real time; the positioning control device comprises a remote positioning box arranged in an operating room, a motion control system for controlling the motion of a scanning bed in the CT system, and a communication system for connecting the remote positioning box and the motion control system; the remote positioning box mainly comprises a box body, a plurality of control buttons and a control circuit for converting actions of the control buttons into control signals, and the control signals are sent to the motion control system through the communication system.

In the technical scheme, the positioning probe monitors the positioning condition of the patient and outputs the condition to the display device in an image form. The position of a patient in the shielding room can be conveniently and intuitively displayed in real time by setting the visual field of the positioning probe at the initial position of the exposure of the CT ray window in the shielding room in advance. Medical personnel realize long-range position through the motion of long-range position box control scanning bed in the control chamber.

In the technical scheme, the positioning probe device consists of one or more video probes, and can observe the area of a patient on a scanning bed and the positioning auxiliary laser line of a CT system; the display device is located in an operation room of the CT system, and the positioning probe is connected to the display device in a wired or wireless mode.

In the technical scheme, the control button on the remote positioning box mainly comprises a direction control button and a position moving button, the direction control button comprises an ascending moving button, a descending moving button, a forward moving button and a backward moving button, and the position moving button is at least one preset initial inspection position button.

According to a further technical scheme, a plurality of the part moving buttons are arranged, and the preset initial examination positions corresponding to the part moving buttons are preferably 7 parts, namely, the head, the neck, the chest, the abdomen, the basin, the lower limbs and the upper limbs. Other initial inspection positions can be set according to actual operation requirements. By presetting an initial examination position for each position moving button, the scanning bed can move to the corresponding preset initial examination position after pressing any position moving button. The medical personnel only need to monitor during the process and make small distance adjustments near the location.

According to the technical scheme, the operation habit of medical personnel can be adapted through software setting. For example, when the part moving button is pressed, the scanning bed starts to move to a preset initial examination position, and when the part moving button is released, the scanning bed immediately stops moving.

According to a further technical scheme, a release button is arranged, after the examination of a patient is finished, when the part release button is pressed down, the scanning bed starts to move to a preset initial position, and when the release button is released, the scanning bed stops moving immediately.

In the technical scheme, the communication system in the positioning control device consists of a signal sending module arranged in the remote positioning box, a signal receiving module connected with a motion control system of a scanning bed of the CT system and a transmission line.

Preferably, the signal sending module and the signal receiving module are ethernet wired network modules, and the transmission line is a network cable.

Or the signal sending module and the signal receiving module are Ethernet wireless network modules, and an antenna connected with the signal receiving module is positioned below the wire arranging lead plate of the shielding room.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

1. according to the invention, the remote positioning box is arranged, and the monitoring device is matched, so that medical staff can conveniently control the positioning of a patient in the operation room, the medical staff does not need to enter the shielding room, the close-range contact between the medical staff and the patient is avoided, and the cross infection between doctors and patients can be effectively avoided;

2. in the prior art, a scanning bed motion control signal in the CT system is transmitted through a CAN bus and cannot be connected to an operation room, and the remote control of the scanning bed is realized by arranging an Ethernet communication system;

3. according to the invention, the plurality of part moving buttons are arranged, so that the initial examination swing bed positions of a plurality of parts can be preset, and medical personnel can move the scanning bed to the position nearby the required position only by one-key operation, thereby facilitating the operation and saving the swing time.

Drawings

Fig. 1 is a schematic structural diagram of a wired remote positioning system according to a first embodiment of the present invention;

FIG. 2 is a schematic diagram of a remote positioning process according to a first embodiment;

FIG. 3 is a schematic view of an auxiliary positioning laser line in a CT system;

FIG. 4 is a schematic diagram of signal transmission in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a wireless remote positioning system according to a second embodiment of the present invention.

Wherein: 1. positioning the probe; 2. a display device; 3. an operation chamber; 4. a remote positioning box; 5. scanning the bed; 6. a shielding chamber; 7. a direction control button; 8. a part moving button; 9. a laser line; 10. a computer system; 11. an antenna.

Detailed Description

The invention is further described with reference to the following figures and examples:

the first embodiment is as follows:

as shown in fig. 1, a remote positioning system for a CT system is mainly composed of a monitoring device and a positioning control device. The CT system comprises a scanning system, a scanning bed 5 and a computer system 10.

In the figure, the monitoring device is composed of 3 setup probes 1 to form a setup probe set (only the connecting wires of the middle probes are shown), and the transmission signals are connected to a display device 2 for displaying the image of the patient area.

The positioning control device comprises a remote positioning box 4 arranged in an operation room 3, a motion control system for controlling the motion of a scanning bed 5 in the CT system, and a communication system for connecting the remote positioning box 4 and the motion control system. In this embodiment, wired ethernet connection communication is adopted. The wired connection mode can be started from the remote positioning box 4, and the wire is connected to the inside of the CT machine through the middle of the operation room 3 and the shielding room 6.

The remote positioning box 4 mainly comprises a box body, a plurality of control buttons and a control circuit for converting the actions of the control buttons into control signals, and the control signals are sent to the motion control system through the communication system. In this embodiment, the control buttons on the remote positioning box 4 are mainly composed of a direction control button 7 and a position moving button 8, the direction control button 7 includes an ascending moving button, a descending moving button, a forward moving button and a backward moving button, the number of the position moving buttons 8 is preferably 8, which are respectively labeled as A, B, C, D, E, F, G, H, and the buttons can be preset according to requirements during actual use. One solution is that the 7 buttons correspond to the head, neck, chest, abdomen, pelvis, lower limb and upper limb respectively, and the 8 th button is used as a release button.

When the position moving button is pressed, the scanning bed starts to move to a preset initial inspection position, and when the position moving button is released, the scanning bed stops moving immediately; a release button is also provided which is depressed after the patient examination has been completed in order for the patient to get out of bed. When the release button is pressed, the scanning bed moves to a preset position, and when the release button is released, the scanning bed stops moving immediately.

The state signal of the button is converted into a control signal by the control circuit, then converted into an Ethernet signal by the signal sending module, and sent to the signal receiving module connected with the motion control system of the CT system scanning bed.

Fig. 2 is a schematic flow chart of the remote positioning operation performed in this embodiment, and as shown in the figure, the operation flow of the present invention includes:

s101, medical staff guide a patient to enter a shielding room and then close a shielding door;

wherein, the shielding chamber comprises a CT machine, wherein the CT machine comprises a scanning bed;

s102, an operator loads a 'conventional chest spiral-first supine' protocol in an operation room computer, meanwhile, a laser lamp of the CT machine is turned on, and a control button of a corresponding part on a remote positioning box is highlighted;

the 'conventional spiral of chest-supine first' protocol can be any protocol, and is generally determined according to the examination part suggested by a doctor;

the laser positioning lamp is used for assisting positioning;

wherein, the highlighted part control button on the remote positioning box prompts an operator to carry out preliminary positioning;

s103, the patient lies on the scanning bed according to the voice prompt of the operator;

s104, the operator presses the control button of the highlighted part on the remote positioning box to move the scanning bed to the corresponding position;

wherein, the control button can be released in the middle of pressing, and the scanning bed can be stopped;

after the bed is moved to the corresponding position, the bed can be adjusted according to the real-time position setting condition in the display device, so that the position setting is more accurate;

s105, the operation technician judges whether the positioning requirement is met or not according to the positioning;

s106, if the positioning requirement is not met, the adjustment can be carried out again;

the positioning requirement is that the position to be scanned is operated within the scannable range of the CT system by adjusting the relative position between the scanning bed and the CT rotating frame according to the position to be scanned of the patient.

S107, if the positioning requirement is met, the positioning is not needed again, and the next positioning image exposure operation can be carried out;

and S108, starting the scanning of the patient positioning image.

Fig. 3 is a schematic view of a laser line 9 on a patient, by which the positioning of the patient can be determined.

FIG. 4 is a schematic diagram of signal transmission, as shown

S401, pressing a button on the remote positioning box

S402, the signal transmission device generates a signal

S403, connecting in a wired/wireless way

S404, transmitting the signals to a signal transmission device in the CT machine

And S405, controlling the motion of the scanning bed.

Therefore, the embodiment conveniently realizes the remote positioning of the CT system patient.

Example two: referring to fig. 5, a wireless connected remote positioning system comprises:

the remote positioning box 4 is provided with a position moving button 8 and a direction moving button 7 for indicating up-down and front-back movement;

a display device 2;

a computer system 10;

the remote positioning box 4, the display device 2 and the computer system 10 are arranged in the operation room 3;

the shielding chamber 6 comprises a CT complete machine, a positioning probe and the like;

wherein, the antenna 11 is positioned below the flat cable lead plate of the shielding chamber 6;

the remote positioning box 4 transmits signals to the antenna 11, and then the antenna 11 transmits signals to the motion control system of the scanning bed 5.

The positioning probe can transmit signals to the display device in a wired connection mode.

The wireless connection mode can receive wireless signals by adding the antenna, and the antenna can be positioned below the lead plate to avoid the influence of shielding on the signals, so that the movement of the scanning bed is controlled.

The control method of the present embodiment is similar to the embodiment.

Claims

1. A remote positioning system for a CT system, comprising: the system mainly comprises a monitoring device and a positioning control device, wherein the monitoring device comprises a positioning probe device for monitoring the positioning condition of a patient and a display device for receiving and displaying images acquired by the positioning probe device in real time; the positioning control device comprises a remote positioning box arranged in an operating room, a motion control system for controlling the motion of a scanning bed in the CT system, and a communication system for connecting the remote positioning box and the motion control system; the remote positioning box mainly comprises a box body, a plurality of control buttons and a control circuit for converting actions of the control buttons into control signals, and the control signals are sent to the motion control system through the communication system.

2. The telematic positioning system for CT systems of claim 1, wherein: the positioning probe device consists of one or more video probes and can observe the patient on the scanning bed and the area where the positioning auxiliary laser line of the CT system is located; the display device is located in an operation room of the CT system, and the positioning probe is connected to the display device in a wired or wireless mode.

3. The telematic positioning system for CT systems of claim 1, wherein: the control button on the remote positioning box mainly comprises a direction control button and a position moving button, the direction control button comprises an ascending moving button, a descending moving button, a forward moving button and a backward moving button, and the position moving button is at least one preset initial inspection position button.

4. The telematic positioning system for a CT system of claim 3, wherein: the part moving buttons are arranged in a plurality, and the corresponding preset initial examination positions are the head, the neck, the chest, the abdomen, the basin, the lower limbs and the upper limbs.

5. The telematic positioning system for a CT system of claim 3, wherein: when the position moving button is pressed, the scanning bed starts to move to a preset initial examination position, and when the position moving button is released, the scanning bed stops moving immediately.

6. The telematic positioning system for a CT system of claim 3, wherein: the scanning bed is provided with a release button, when the release button is pressed down, the scanning bed starts to move to a preset initial position, and when the release button is released, the scanning bed stops moving immediately.

7. The telematic positioning system for CT systems of claim 1, wherein: the communication system in the swing control device consists of a signal sending module arranged in a distance swing box, a signal receiving module connected with a motion control system of a CT system scanning bed and a transmission line.

8. The telematic positioning system for CT systems of claim 1, wherein: the signal sending module and the signal receiving module are Ethernet wired network modules, and the transmission line is a network cable.

9. The telematic positioning system for CT systems of claim 1, wherein: the signal transmitting module and the signal receiving module are Ethernet wireless network modules, and an antenna connected with the signal receiving module is positioned below the wire arranging lead plate of the shielding chamber.