Respiratory gating system device for radiotherapy positioning CT (Computed Tomography) end

Abstract

The invention discloses a respiratory gating system device for a radiotherapy positioning CT end, and relates to the technical field of positioning CT corollary equipment, the respiratory gating system device for the radiotherapy positioning CT end comprises a limiting assembly installed on a bed board of a scanning bed, a sliding assembly comprises a track and a telescopic rod, the track is installed on a ceiling, and the telescopic rod is installed on the track in a sliding mode; the camera collection assembly comprises a camera, one end of the camera is detachably installed on the limiting assembly, the other end of the camera is fixedly installed on the sliding assembly, a cable of the camera collection assembly is installed on the sliding assembly, the camera collection assembly is rapidly fixed to the tail end of the CT scanning bed by hoisting the upper end of the camera collection assembly and limiting and fixing the lower end of the camera collection assembly, and the fixing efficiency is improved; the operation process is reduced, the cable is arranged on the sliding assembly, the influence of the cable on personnel or articles is reduced, and the use safety of the cable is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of positioning CT matching equipment, in particular to a respiratory gating system device for a radiotherapy positioning CT end. BACKGROUND

[0002] In precise radiotherapy, respiratory motion is a key factor affecting the positioning and irradiation accuracy of chest and abdominal tumor targets. Clinically, cameras are usually used to monitor the dynamic changes of markers placed on the human body surface to indirectly track the respiratory signs of the human body, and to manage the respiratory motion of patients.

[0003] The respiratory gating system device at the positioning CT end in radiotherapy is usually installed at the tail end of the CT scanning bed. In addition, not all patients need respiratory motion management when performing tumor positioning scanning. Generally, it is mainly for patients with chest and abdominal tumors, and the respiratory motion has a greater impact on the position and shape of the tumor. For other patients such as cranium and limbs, the impact is smaller, and respiratory motion management is not necessary. Therefore, the respiratory gating system device installed at the tail end of the CT scanning bed will be changed according to the actual needs of the patients, i.e., installed or removed.

[0004] Usually, a first-line technician needs to manually install or remove cables, manually tighten the fixing screws of the respiratory gating system device, and manually arrange or store the respiratory gating system device and the corresponding cables when installing or removing the respiratory gating system device at the tail end of the CT scanning bed. The process is very complicated.

[0005] In addition, the installation of the respiratory gating system device at the tail end of the CT end causes the problem of exposed lines on the ground. The exposed lines on the ground move with the bed plate, and the cables will stretch or move. On the one hand, the movement of the cables will cause damage to the cables or unstable connection. On the other hand, the movement of the ground cables will cause obstacles to the equipment site personnel and the moving trolley, which may increase the risk of injury or damage to personnel or goods, such as technicians or patients tripping over the cables, medical moving trolleys tilting and damaging the goods on the trolley, etc. In addition, it will also cause the ground to be obviously unattractive. SUMMARY

[0006] Therefore, the purpose of the present application is to provide a respiratory gating system device for a radiotherapy positioning CT end. The camera acquisition assembly is suspended at the upper end and fixed at the lower end, which realizes the quick fixation of the camera acquisition assembly at the tail end of the CT scanning bed, improves the fixation efficiency, reduces the operation process, and at the same time realizes the installation of the cable in the sliding assembly, reduces the influence of the cable on personnel or goods, and improves the safety of the cable use.

[0007] To achieve the above-mentioned purpose, the present application provides a respiratory gating system device for a radiotherapy positioning CT end, comprising:

[0008] A limiting component is installed on the bed plate of the scanning bed.

[0009] A sliding assembly, comprising a track and a telescopic rod, the track is used for being mounted on a ceiling, the telescopic rod is slidingly mounted on the track;

[0010] A camera collecting assembly, comprising a camera, one end of the camera is detachably mounted with the limiting assembly, the other end of the camera is fixedly mounted with the sliding assembly, a cable of the camera collecting assembly is mounted on the sliding assembly.

[0011] Preferably, the limiting assembly comprises a bed-mounted base and a fixing piece, the bed-mounted base is fixedly mounted on a bed plate of the scanning bed through the fixing piece.

[0012] Preferably, the fixing piece comprises two, the bed-mounted base is provided with a clamping groove.

[0013] Preferably, the camera collecting assembly further comprises a camera support and a connecting rod, the camera is mounted on an upper end of the camera support, a clamping block is mounted on a lower end of the camera support, the clamping block is matched with the clamping groove, one end of the connecting rod is fixedly mounted on a middle part of the camera support, and the other end of the connecting rod is fixedly mounted on the telescopic rod.

[0014] Preferably, the number of the track is two, and the direction of the track is consistent with the moving direction of the scanning bed.

[0015] Preferably, a sliding block is slidingly mounted on the track, and the telescopic rod is fixedly mounted on the sliding block.

[0016] Preferably, the camera is provided with an infrared camera and a near-infrared LED light source.

[0017] Preferably, the telescopic rod is an electrically-controlled telescopic rod.

[0018] Preferably, the control module comprises a remote controller and a control console, the remote controller controls the telescoping of the telescopic rod, and the control console is electrically connected with the telescopic rod and the camera.

[0019] Preferably, the power module comprises a power plugboard, the power module supplies power to the telescopic rod, the camera and the control console through a cable, and the cables of the telescopic rod and the camera are fixedly mounted on the sliding assembly.

[0020] With respect to the above background, the radiotherapy positioning CT end respiratory gating system device provided by the present application, the camera acquisition assembly in the device is fixed by hanging at the upper end and limiting at the lower end. Compared with the traditional method of fixing only at the lower end, the camera acquisition assembly in the device has strong fixing stability and is convenient to install and disassemble. At the same time, the camera acquisition assembly adopts the fixing method of hanging at the upper end of the sliding assembly, so that the wire harness of the camera acquisition assembly can be arranged upwards along the sliding assembly, avoiding the influence of the ground wire harness on the staff, improving the work efficiency of the staff, and reducing the safety hidden danger. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the provided drawings.

[0022] Figure 1 The structure diagram of the radiotherapy positioning CT end respiratory gating system device of the embodiments of the present application.

[0023] Among them: 1, limiting component; 2, sliding assembly; 3, camera acquisition assembly; 101, bed base; 102, fixing piece; 103, clamping groove; 201, track; 202, telescopic rod; 203, sliding block; 301, camera support; 302, connecting rod; 303, clamping block; 304, camera; 4, cable; 5, bed board. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] In order to enable those skilled in the art to better understand the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0026] It should be noted that the orientation words such as "upper end", "lower end", "left side" and "right side" in the following text are defined based on the drawings in the specification.

[0027] Please refer to Figure 1 The radiotherapy positioning CT end respiratory gating system device provided by the embodiments of the present application, the limiting component 1, the sliding assembly 2 and the camera acquisition assembly 3.

[0028] The limiting assembly 1 is installed on the bed plate 5 of the scanning bed;

[0029] The sliding assembly 2 comprises a track 201 and a telescopic rod 202, the track 201 is used for being installed on the ceiling, and the telescopic rod 202 is slidingly installed on the track 201;

[0030] The camera acquisition assembly 3 comprises a camera 304, one end of the camera 304 is detachably installed with the limiting assembly 1, and the other end is fixedly installed with the sliding assembly 2, and the cable 4 of the camera acquisition assembly 3 is installed on the sliding assembly 2.

[0031] The installation positions of the limiting assembly 1 and the sliding assembly 2 are that the sliding assembly 2 is installed on the ceiling of the hospital, and the limiting assembly 1 is installed on the bed plate 5 of the scanning bed placed on the ground, so as to form a distribution pattern that the limiting assembly 1 is below and the sliding assembly 2 is above.

[0032] The camera acquisition assembly 3 is the main working assembly, is installed between the limiting assembly 1 and the sliding assembly 2, and the lower end of the camera acquisition assembly 3 is detachably installed with the limiting assembly 1, so that the camera assembly can be quickly detached when not in use, the upper end of the camera acquisition assembly 3 is installed on the sliding assembly 2, and after the lower end of the camera acquisition assembly 3 is separated from the limiting assembly 1, the camera acquisition assembly 3 can slide with the sliding assembly 2 to realize storage of the camera acquisition assembly 3.

[0033] In the device, the camera acquisition assembly 3 is fixed in a mode that the upper end is hung and fixed and the lower end is limited, compared with the mode that only the lower end is fixed, the camera acquisition assembly 3 has high fixing stability and is convenient to install and detach.

[0034] The camera acquisition assembly 3 is fixed in a mode that the upper end is hung on the sliding assembly 2, so that the wire harness of the camera acquisition assembly 3 can be arranged upwards along the sliding assembly 2, ground wire harness is avoided to affect the staff, the working efficiency of the staff is improved, and safety hazards are reduced.

[0035] On the basis of any of the above embodiments, the limiting assembly 1 comprises a bed-mounted base 101 and a fixing piece 102, and the bed-mounted base 101 is fixedly installed on the bed plate 5 of the scanning bed through the fixing piece 102.

[0036] In this embodiment, it is specifically disclosed that the limiting assembly 1 comprises the bed-mounted base 101 and the fixing piece 102, the bed-mounted base 101 is a bed-mounted sheet metal base, can provide good support and limiting effect, and can meet the requirement of long-time use.

[0037] The bed-mounted base 101 is installed on the bed plate 5 of the CT scanning bed through the fixing buckle, avoiding opening holes on the bed plate 5 of the CT scanning bed, avoiding the need for the engineer of the respiratory gating system device manufacturer to perform a punching modification operation on the bed plate 5 of the CT scanning bed in the prior art solution, and therefore the CT equipment manufacturer needs to be authorized to provide the structure information of the bed plate 5 of the CT scanning bed. The problem of long time-consuming and many inconveniences in the prior art opening installation is effectively solved.

[0038] On the basis of any of the above embodiments, the fixing member 102 comprises two, and the bed-mounted base 101 is provided with a clamping groove 103.

[0039] The bed-mounted base 101 is fixed by the fixing member 102, which can meet the limiting and fixing requirements of the bed-mounted base 101.

[0040] Optionally, the fixing member 102 is a cable tie or a clamp or a clamping strip. The fixing member 102 is a general-purpose member, which is convenient to obtain.

[0041] The clamping groove 103 provided on the bed-mounted base 101 facilitates the detachable and plug-in fixing of the subsequent camera 304 and the bed-mounted base 101.

[0042] On the basis of any of the above embodiments, the camera acquisition assembly 3 further comprises a camera support 301 and a connecting rod 302, the camera 304 is installed at the upper end of the camera support 301, the lower end of the camera support 301 is provided with a clamping block 303, the clamping block 303 is adapted to the clamping groove 103, one end of the connecting rod 302 is fixed to the middle part of the camera support 301, and the other end is fixed to the telescopic rod 202.

[0043] The camera acquisition assembly 3 further comprises a camera support 301 for installing the camera 304, and the camera support 301 and the connecting rod 302 form a T-shaped structure that is inclined counterclockwise by 90 degrees, wherein the camera 304 is fixed to the upper end of the T-shaped structure, the clamping block 303 is fixed to the lower end of the T-shaped structure, and the right end of the T-shaped structure is fixedly connected to the lower end of the telescopic rod 202.

[0044] After the T-shaped structure formed by the camera support 301 and the connecting rod 302 supports and installs the camera 304, there is no obstruction in front of the lens of the camera 304, and the camera angle of the camera 304 has obvious advantages.

[0045] Meanwhile, the T-shaped structure is provided with a clamping block 303 adapted to the clamping groove 103, and the clamping groove 103 and the clamping block 303 can be quickly connected to realize the quick detachable connection of the camera support 301 and the bed-mounted base 101, i.e., the limiting assembly 1, which is fast in connection and disconnection, convenient to operate, and high in connection stability.

[0046] The clamping block 303 is connected with the connecting rod 302 at an angle of 90 degrees in the T-shaped structure, the clamping groove 103 and the clamping block 303 form a staggered support with the telescopic rod 202, which can guarantee the efficient positioning and support of the limiting assembly 1 and the sliding assembly 2 on the camera shooting assembly 3.

[0047] On the basis of any of the above embodiments, the number of tracks 201 is two, and the direction of the tracks 201 is consistent with the moving direction of the scanning bed.

[0048] The number of tracks 201 is set to two, and the two tracks 201 are arranged in parallel at intervals. The double-track 201 arrangement can significantly improve the sliding stability of the sliding assembly 2.

[0049] The direction of the track 201 is consistent with the moving direction of the scanning bed. When the scanning bed is in use, it will move in cooperation with the CT machine. The direction of the track 201 is consistent with the moving direction of the scanning bed, which can ensure that the entire device can move with the scanning bed and maintain good support during the movement, and ensure that the camera 304 always maintains a stable working state.

[0050] On the basis of any of the above embodiments, a sliding block 203 is slidably installed on the track 201, and the telescopic rod 202 is fixed to the sliding block 203.

[0051] The telescopic rod 202 is slidably installed on the track 201 by setting the sliding block 203. The setting of the sliding block 203 further enhances the stability of the telescopic rod 202 sliding, and the stable sliding of the telescopic rod 202 provides stable support for the camera 304, ensuring that the camera 304 can work continuously and stably.

[0052] On the basis of any of the above embodiments, an infrared camera and a near-infrared LED light source are provided on the camera 304.

[0053] The camera 304 is also used with a marking module. The marking module is placed in the area with obvious respiratory characteristics on the chest and abdomen of the patient. The near-infrared LED light source projects near-infrared light onto the surface of the human body, which is reflected by the special fluorescent marker points of the marking module and received by the near-infrared camera.

[0054] On the basis of any of the above embodiments, the telescopic rod 202 is an electrically controlled telescopic rod 202.

[0055] The telescopic rod 202 is an electrically controlled telescopic rod 202, which can be more accurately controlled by electric drive control, and the operation is more convenient. When the telescopic rod 202 is controlled to stretch or retract, the hands can be freed, and the operation difficulty is reduced. Because the telescopic rod 202 is slidably installed on the track 201 on the ceiling, the telescopic rod 202 is high in position and is not convenient for manual operation. The problem of inconvenient operation of the telescopic rod 202 can be well solved by remote control electric drive control.

[0056] On the basis of any of the above embodiments, a control module is further included, the control module including a remote controller and a control console, the remote controller controlling the telescopic rod 202 to stretch or retract, and the control console being electrically connected with the telescopic rod 202 and the camera 304.

[0057] The telescopic rod 202 can be controlled wirelessly by the remote controller or can be controlled by the control console. The two control modes of the telescopic rod 202 provide multiple choices for the control of the telescopic rod 202, so that the telescopic rod 202 can be effectively driven in any control failure condition, and the device can continue to work stably.

[0058] On the basis of any of the above embodiments, a power module is further included, the power module including a power board, the power module supplying power to the telescopic rod 202, the camera 304 and the control console through the cable 4, and the cable 4 of the telescopic rod 202 and the camera 304 being fixed to the sliding assembly 2.

[0059] The power module supplies power to the electrical equipment, including the camera 304 power DC 24V, the control console computer power AC 220V, the telescopic rod 202 power DC 24V, etc.

[0060] The control console is arranged at the CT scanning bed position, and the cable 4 is arranged without affecting the overall CT room layout. The cable 4 of the camera 304 and the telescopic rod 202 mainly affects the CT room layout.

[0061] Therefore, the device supports the cable 4 through the sliding assembly 2, moves the cable 4 upward and fixes the cable 4 to the ceiling, so that the cable 4 originally arranged on the ground of the CT room is effectively regularized, the workload of manually installing or removing, arranging and storing the cable 4 of the camera 304 of the CT end breath gating system device is effectively reduced, the work efficiency of the technician is improved, and the cable 4 is prevented from being lost due to improper storage.

[0062] The specific use process of the device is as follows:

[0063] The marker module is placed in the area where the patient's chest and abdomen have obvious breathing characteristics. The near-infrared LED light source projects near-infrared light onto the surface of the human body, which is reflected by the special fluorescent marker points of the marker module and then received by the near-infrared camera. After image processing, a series of marker module spatial position information is output in real time to the console, and the console fits the patient's breathing curve based on the above spatial position information changes and displays it on the UI interface.

[0064] The universal bed plate 5 fixing part 102 is a bed plate 5 fixing clamping strip of a CT scan bed available on the market. The bed-mounted metal base is fixedly installed on the two fixing clamping strips by screws and connected with the bed plate 5 of the CT scan bed through clamping of the clamping strips.

[0065] The camera 304 of the respiratory gating system device is installed on the camera support 301, and the camera support 301 is connected with the clamping block 303. During installation, the clamping block 303 is quickly connected with the clamping groove 103 on the bed-mounted metal base through buckling, so that the camera of the respiratory gating system device can be quickly fixed on the bed plate 5 of the CT scan bed.

[0066] In addition, the camera support 301 is connected with the electric telescopic rod 202 in the sliding assembly 2 through the connecting rod 302. When the camera is installed and fixed on the bed plate 5 and moves with the bed plate 5, the sliding assembly 2 will move, and the camera cable 4 will not move or stretch.

[0067] When the camera of the respiratory gating system device needs to be removed from the CT bed plate 5, the electric telescopic rod 202 in the sliding assembly 2 is retracted to lift the camera away from the CT bed plate 5 through the connecting rod 302, so as to realize the suspension storage of the camera and the cable 4.

[0068] The track 201 is fixedly installed on the hospital ceiling, and the sliding block 203 is installed on the track 201. The sliding block 203 can slide along the track 201, and the telescopic rod 202 is installed on the sliding block 203 and can be controlled to lift and stretch through a remote controller. The lower end of the telescopic rod 202 is connected with the connecting rod 302, which is connected with the camera support 301, so that the camera can be lifted and stretched with the telescopic rod 202.

[0069] In addition, when the camera is fixed to the CT scan bed plate 5, the CT scan bed plate 5 enters and exits the aperture of the CT device, and the connecting rod 302 can drive the telescopic rod 202 to slide on the track 201 through the sliding block 203, so that the camera cable 4 fixedly installed at the tail end of the respiratory gating system device does not move or stretch when the bed plate 5 of the CT scan bed moves.

[0070] When a technician controls the camera's raising and lowering via remote control, the control signal is transmitted into the air in the form of electromagnetic waves through the remote control's wireless signal transmitter. The telescopic rod 202 is equipped with an MCU control terminal. The communication unit of the MCU control terminal receives the aforementioned wireless control signal, decodes it, and after parsing out the corresponding control command, controls the telescopic rod 202 to perform the corresponding raising and lowering movement. At the same time, the technician can also operate the camera's raising and lowering by clicking software buttons on the console module's UI software. The control signal will be sent to the MCU via wired communication. After receiving the aforementioned control signal, the MCU controls the electric raising mechanism to perform the corresponding operation.

[0071] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0072] The above provides a detailed description of the respiratory gating system device for radiotherapy positioning CT provided in this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The descriptions of the embodiments above are merely for the purpose of helping to understand the solution and core ideas of this application. It should be noted that those skilled in the art can make various improvements and modifications to this application without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this application.

Claims

1. A respiratory gating system device for radiotherapy positioning CT, characterized in that, include: Limiting component (1), the limiting component (1) is installed on the bed plate (5) of the scanning bed; A sliding assembly (2) includes a track (201) and a telescopic rod (202), the track (201) being mounted on the ceiling and the telescopic rod (202) being slidably mounted on the track (201). The camera acquisition component (3) includes a camera (304), one end of which is detachably installed with the limiting component (1), and the other end is fixedly installed with the sliding component (2). The cable (4) of the camera acquisition component (3) is installed on the sliding component (2).

2. The respiratory gating system device for radiotherapy positioning CT end according to claim 1, characterized in that, The limiting component (1) includes a bed base (101) and a fixing member (102), wherein the bed base (101) is fixedly installed on the bed board (5) of the scanning bed via the fixing member (102).

3. The respiratory gating system device for radiotherapy positioning CT end according to claim 2, characterized in that, The fastener (102) includes two parts, and the bed base (101) is provided with a slot (103).

4. The respiratory gating system device for radiotherapy positioning CT end according to claim 3, characterized in that, The camera acquisition component (3) also includes a camera bracket (301) and a connecting rod (302). The camera (304) is mounted on the upper end of the camera bracket (301). A locking block (303) is installed on the lower end of the camera bracket (301). The locking block (303) is adapted to the locking slot (103). One end of the connecting rod (302) is fixed to the middle of the camera bracket (301), and the other end is fixed to the telescopic rod (202).

5. The respiratory gating system device for radiotherapy positioning CT end according to claim 1, characterized in that, There are two tracks (201), and the direction of the tracks (201) is consistent with the direction of movement of the scanning bed.

6. The respiratory gating system device for radiotherapy positioning CT end according to claim 5, characterized in that, A slider (203) is slidably mounted on the track (201), and the telescopic rod (202) is fixed to the slider (203).

7. The respiratory gating system device for radiotherapy positioning CT end according to claim 1, characterized in that, The camera (304) is equipped with an infrared camera and a near-infrared LED light source.

8. The respiratory gating system device for radiotherapy positioning CT end according to any one of claims 1-7, characterized in that, The telescopic rod (202) is an electrically controlled telescopic rod (202).

9. The respiratory gating system device for radiotherapy positioning CT end according to claim 8, characterized in that, It also includes a control module, which includes a remote controller and a console. The remote controller controls the extension and retraction of the telescopic pole (202), and the console is electrically connected to the telescopic pole (202) and the camera (304).

10. The respiratory gating system device for radiotherapy positioning CT end according to claim 9, characterized in that, It also includes a power module, which includes a power socket and supplies power to the telescopic rod (202), the camera (304) and the console via cables (4). The cables (4) of the telescopic rod (202) and the camera (304) are fixed to the sliding assembly (2).

Images