CN212939731U - Large-aperture CT machine with safe collision-preventing function - Google Patents
Large-aperture CT machine with safe collision-preventing function Download PDFInfo
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- CN212939731U CN212939731U CN202020683932.1U CN202020683932U CN212939731U CN 212939731 U CN212939731 U CN 212939731U CN 202020683932 U CN202020683932 U CN 202020683932U CN 212939731 U CN212939731 U CN 212939731U
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Abstract
The utility model provides a large aperture CT machine with function of colliding is prevented safely, through setting up CT host computer, CT scanning bed main part, bedstand, near-end button operating panel, pedal operating panel, CT scanning bed main part, travel switch, distance switch, proximity sensor etc.. That is, based on the CT host, the CT scanning bed main body, the bed base, the near-end key operation panel, the pedal operation panel, the CT scanning bed main body, the travel switch, the distance switch, the proximity sensor and the like are used at the adaptive position, when a doctor operates the CT device to perform positioning, resetting and scanning motion control, when the detected object is not in the device safety detection range, the CT device can actively stop moving, the detected object is prevented from being accidentally injured, and the safety of the detected object and the device is ensured. Avoid surpassing spacingly, make CT scanning bed main part remove in safety range, supplementary doctor detects, guarantees that the testing process goes on safely.
Description
Technical Field
The utility model relates to a diagnose type medical detection equipment field, especially relate to a large aperture CT machine with function is attacked to safety.
Background
Medical CT is one of the most commonly used conventional detection devices in clinical medicine today, and has been widely used in many clinical medicine fields such as disease detection, angiography, cardiac imaging, interventional therapy, and the like.
In the use process of CT, the CT scanning bed is responsible for lifting a patient to a certain height in the vertical direction and then placing the patient in the bore of the CT scanning frame, after the scanning is finished, the patient needs to move back the bed and out of the bore of the scanning frame and then to fall the bed to a certain height, for the scanning of certain vertebral body parts, the middle of the CT scanning bed needs to be inclined, and a doctor can observe and sketch certain parts conveniently.
The bed position needs to be adjusted, the position detected, etc. before the detection by the CT machine. And the position is also required to be adjusted sometimes in the detection process, so that the detection can meet the requirement. Each operation device that the CT machine relates to need keep certain safe distance, and the position control process before detecting in addition, perhaps detect the well position control process, all need keep safe distance, just so can guarantee that the testing process goes on smoothly, if the removal process surpassed the spacing that the CT machine set up, caused equipment to damage, still caused the injury to patient's health easily.
SUMMERY OF THE UTILITY MODEL
In order to overcome not enough among the above-mentioned prior art, the utility model provides a large aperture CT machine with function is attacked to safety is provided, include: a CT host and a CT scanning bed main body; a main body cover is covered outside the CT host;
the CT host is provided with a detection position; the position of the CT scanning bed main body is matched with the detection position;
the CT scanning bed main body is connected with a bed seat through a sliding mechanism, and a scanning bed cover is arranged at the bottom of the bed seat;
two end parts of the bed seat are respectively provided with a travel switch for controlling the movement limit of the CT scanning bed main body;
a plurality of scanning bed distance switches used for sensing the moving position of the CT scanning bed main body are uniformly distributed on the bed seat;
the distance switch is arranged at the lower part of the detection position of the main body housing;
the upper end and the lower end of the detection position are respectively provided with a proximity sensor;
the main body housing is provided with a near-end key operation panel.
According to the technical scheme, the utility model has the advantages of it is following:
the CT scanning bed main body in the CT equipment is guaranteed to move back and forth and upgrade during movement or obliquely move by using the travel switch, the distance switch, the proximity sensor, the control circuit and other elements in a combined mode, so that the CT scanning bed main body is prevented from exceeding a limit position, the CT scanning bed main body moves within a safety range, a doctor is assisted in detecting, and the detection process is guaranteed to be carried out safely. And the position adjustment process before detection or during detection needs to keep a safe distance, so that the detection process is ensured to be carried out smoothly.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a large-aperture CT machine with a safe anti-collision function;
fig. 2 is a control schematic diagram of a large-aperture CT machine with a safe anti-collision function;
FIG. 3 is a schematic view of a CT scanning bed;
FIG. 4 is a diagram of an embodiment of a control circuit.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
The utility model provides a large aperture CT machine with function of colliding is prevented safely, as shown in fig. 1 to 4, include: a CT host computer 15, a CT scanning bed main body 5 and a control device; the main body cover 3 is covered outside the CT host 15;
the CT host 15 is provided with a detection position; the position of the CT scanning bed main body 5 is matched with the detection position;
the CT scanning bed main body 5 is connected with a bed base 16 through a sliding mechanism 23, and the bottom of the bed base 16 is provided with a scanning bed cover 8; a lifting mechanism 24 is arranged in the scanning bed cover 8, and the top end of the lifting mechanism is connected with the bottom of the bed base 16; two end parts of the bed seat 16 are respectively provided with a travel switch 6 for controlling the movement limit of the CT scanning bed main body 5; a plurality of scanning bed distance switches 7 for sensing the moving position of the CT scanning bed main body 5 are uniformly distributed on the bed base 16; a lifting travel switch 25 for controlling lifting limit and a lifting distance switch 26 for sensing a lifting position are arranged in the scanning bed housing 8; the upper end and the lower end of the main body housing 3 of the detection position are respectively provided with a proximity sensor 1 for sensing the CT scanning bed main body 5 entering the detection position of the CT host computer 15; the control device includes: a near-end key operation panel 4, a control circuit 22 and a controller 21; the controller 21 is respectively connected with the sliding mechanism 23 and the lifting mechanism 24 through a control circuit 22; the controller acquires a movement control instruction by connecting a near-end key operation panel and respectively controls the sliding mechanism and the lifting mechanism to operate; the distance switch 2 is arranged at the lower part of the detection position of the main body housing 3; the distance switch 2 detects the state information of the CT scanning bed main body 5 approaching the detection position.
The travel switch 6, the scanning bed distance switch 7, the lifting travel switch 25, the lifting distance switch 26, the distance switch 2 and the proximity sensor 1 are respectively connected with the controller.
In a preferred embodiment, the CT scanning bed main body 5 may be provided with a tilt driving mechanism inside the scanning bed housing 8 according to actual use requirements, so that the CT scanning bed main body 5 can be tilted to the left or right according to requirements. Of course, the detection direction can be adjusted to meet the detection requirement by adjusting the detection position of the CT host 15 without setting the inclination.
As the utility model, a near-end key operation panel 4 can be arranged, namely, the operation is carried out in the detection room, and a far-end control button can also be arranged; the remote control button is in communication with the controller. The remote control button is arranged in the operating room and is communicated in a line or wireless communication mode, so that the remote control mode is met, and the situation that detection personnel are radiated in the detection room for a long time is avoided. Can also play a role in convenient operation. The remote control buttons may be controlled using a computer.
The controller adopts ATmega32 and peripheral circuits thereof, or STM32FI03ZET6 controller, or 51 series controller and peripheral circuits thereof. The controller can also adopt a computer or a notebook computer and a computing terminal device.
As convenience of operation, the scanning bed housing 8 is provided with a pedal operation panel 10; the foot operation panel 10 is in communication connection with the controller. The foot operation panel 10 can be used for horizontal movement of the CT scanning bed main body 5, and can also be used for lifting and lowering the CT scanning bed main body 5, and the specific operation function is not limited. This frees the hands of the medical staff for other operations.
In the present invention, the sliding mechanism includes a rack 31 provided on the bed 16; a driven gear and a driving gear which are meshed with the rack 31 are arranged on the side edge of the CT scanning bed main body 5; the driving gear is connected with a sliding driving motor; the middle part of the CT scanning bed main body 5 is provided with a plurality of clamping rings; the snap rings are uniformly distributed along the length of the CT scanning bed main body 5; the bed base 16 is provided with a smooth rod 32 which is matched with the snap ring. The optical sliding rod 32 can be provided with a plurality of optical sliding rods, so that the optical sliding rod can play a role in guiding and can also play a role in supporting. The slide driving motor can be arranged at the side or the bottom of the CT scanning bed main body 5. The slide driving motor may employ a servo motor.
The lifting mechanism adopts a hydraulic lifting mechanism or a motor lifting driving mechanism. The lifting mechanism is arranged inside the scanning bed housing 8, and the outer part of the scanning bed housing 8 can be provided with a housing package. The lifting mechanism can be in the form of a scissor frame and can also be in the form of a supporting column. The lifting mechanism lifts the bed base 16 to further enable the CT scanning bed main body 5 to be in a lifting condition, and the requirement of the detection position is met.
The front and back movement of the CT scanning bed main body 5 can be used for sending a patient into a detection position and returning after the detection is finished.
In order to facilitate the position detection, the top and the bottom of the CT host detection position are preferably provided with a host distance switch 2 respectively. This makes it possible to acquire the state of the CT scanning bed main body 5 entering or exiting from the detection position.
As a preferred embodiment of the present invention, the control circuit includes: a first control contactor KM1, a second control contactor KM2, a first control switch SB1, a second control switch SB2, a first travel switch SQ1 and a second travel switch SQ 2;
the first end of the normally open contact of the first control contactor KM1 and the first end of the normally open contact of the second control contactor KM2 are respectively connected with a power supply; the second end of the normally open contact of the first control contactor KM1 and the second end of the normally open contact of the second control contactor KM2 are respectively connected with a motor; the first control switch SB1, the normally closed end of the second control contactor KM2, the first stroke switch SQ1 and the coil of the first control contactor KM1 form a first control loop; the second control switch SB2, the normally closed end of the first control contactor KM1, the second stroke switch SQ2 and the coil of the second control contactor KM2 form a second control loop.
In normal operation, the manual operation buttons SB1 and SB2 can realize the normal and reverse rotation operation of the motor. When the first stroke switch SQ1 or the second stroke switch SQ2 is operated, the operation of the motor can be stopped immediately.
The control circuit can be used for the lifting mechanism, the sliding mechanism and the lifting mechanism.
Other circuit forms commonly used in the art may of course also be used.
That is, a motor control circuit and the like can be adopted, and after the controller receives a control command, the sliding mechanism and the lifting mechanism are directly controlled to operate through the motor control circuit.
The near-end key operation panel 4 may be a touch screen for operation and can display the current status parameters of the CT host.
The travel switch adopts a common travel switch and comprises a mechanical switch, a photoelectric switch and a proximity switch. The range switch adopts a common range sensor, including ultrasonic range measurement, infrared range measurement, radar range measurement and the like. The proximity sensor is a common proximity sensor, and includes a pressure-sensitive sensor, a resistive proximity sensor, a capacitive proximity sensor, an inductive proximity sensor, a magnetic sensor, and the like.
The distance switch ensures that the CT scanning bed main body exits from the CT host detection position, and the travel switch avoids moving beyond the limit.
The main machine distance switch is a common distance measuring sensor without visible light, the distance between the CT scanning bed main body and the CT main machine detection position is detected in real time, when a doctor operates the CT scanning bed main body to stretch into the CT main machine detection position through the key operation panel, and the bed is descended to move, the main machine distance switch detects the safe distance between the CT scanning bed main body and the detection position cover in real time, and when the safe distance is exceeded, the controller controls the lifting mechanism to stop running.
If the CT scanning bed main body has the tilting function, the host distance switch detects the safe distance between the CT scanning bed main body and the detection position cover in real time when the CT scanning bed main body tilts, and when the safe distance is exceeded, the controller controls the lifting mechanism to stop running.
Therefore, the CT scanning bed main body in the CT equipment is enabled to move back and forth and avoid exceeding limit during upgrading movement or inclined movement through the combined use of elements such as the travel switch, the distance switch, the proximity sensor and the control circuit, so that the CT scanning bed main body moves in a safety range to assist a doctor in detection and ensure the safe proceeding of the detection process. And the position adjustment process before detection or during detection needs to keep a safe distance, so that the detection process is ensured to be carried out smoothly.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A large aperture CT machine with function of preventing collision safely, characterized by comprising: a CT host (15) and a CT scanning bed main body (5); a main body cover shell (3) is covered outside the CT host (15);
the CT host (15) is provided with a detection position; the position of the CT scanning bed main body (5) is matched with the detection position;
the CT scanning bed main body (5) is connected with a bed seat (16) through a sliding mechanism (23), and the bottom of the bed seat (16) is provided with a scanning bed cover (8);
two end parts of the bed seat (16) are respectively provided with a travel switch (6) for controlling the movement limit of the CT scanning bed main body (5);
a plurality of scanning bed distance switches (7) used for sensing the moving position of the CT scanning bed main body (5) are uniformly distributed on the bed seat (16);
the distance switch (2) is arranged at the lower part of the detection position of the main body housing (3);
the upper end and the lower end of the detection position are respectively provided with a proximity sensor (1);
the main body cover (3) is provided with a near-end key operation panel (4).
2. The large-aperture CT machine with the safety anti-collision function according to claim 1, wherein,
further comprising: a control device;
a lifting mechanism (24) is arranged in the scanning bed cover (8), and the top end of the lifting mechanism is connected with the bottom of the bed base (16);
a lifting travel switch (25) for controlling lifting limit and a lifting distance switch (26) for sensing a lifting position are arranged in the scanning bed housing (8);
the control device includes: a control circuit (22) and a controller (21);
the controller (21) is respectively connected with the sliding mechanism (23) and the lifting mechanism (24) through a control circuit (22);
the controller acquires a movement control instruction by connecting a near-end key operation panel and respectively controls the sliding mechanism and the lifting mechanism to operate;
the travel switch (6), the scanning bed distance switch (7), the lifting travel switch (25), the lifting distance switch (26) and the proximity sensor (1) are respectively connected with the controller.
3. The large-aperture CT machine with the safety anti-collision function according to claim 2, wherein,
the sliding mechanism comprises a rack (31) arranged on the bed base (16);
a driven gear and a driving gear which are meshed with the rack (31) are arranged on the side edge of the CT scanning bed main body (5);
the driving gear is connected with a sliding driving motor;
the middle part of the CT scanning bed main body (5) is provided with a plurality of clamping rings;
the clamping rings are uniformly distributed along the length of the CT scanning bed main body (5);
a smooth sliding rod (32) matched with the clamping ring is arranged on the bed seat (16).
4. The large-aperture CT machine with the safety anti-collision function according to claim 2, wherein,
the lifting mechanism adopts a hydraulic lifting mechanism or a motor lifting driving mechanism.
5. The large-aperture CT machine with the safety anti-collision function according to claim 2, wherein,
the control circuit includes: a first control contactor KM1, a second control contactor KM2, a first control switch SB1, a second control switch SB2, a first travel switch SQ1 and a second travel switch SQ 2;
the first end of the normally open contact of the first control contactor KM1 and the first end of the normally open contact of the second control contactor KM2 are respectively connected with a power supply; the second end of the normally open contact of the first control contactor KM1 and the second end of the normally open contact of the second control contactor KM2 are respectively connected with a motor;
the first control switch SB1, the normally closed end of the second control contactor KM2, the first stroke switch SQ1 and the coil of the first control contactor KM1 form a first control loop;
the second control switch SB2, the normally closed end of the first control contactor KM1, the second stroke switch SQ2 and the coil of the second control contactor KM2 form a second control loop.
6. The large-aperture CT machine with the safety anti-collision function according to claim 2, wherein,
the scanning bed cover (8) is provided with a pedal operation panel (10).
7. The large-aperture CT machine with the safety anti-collision function according to claim 2, wherein,
the control device further includes: a remote control button;
the remote control button is in communication with the controller.
8. The large-aperture CT machine with the safety anti-collision function according to claim 2, wherein,
the controller adopts ATmega32 and peripheral circuits thereof, or STM32FI03ZET6 controller, or 51 series controller and peripheral circuits thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020683932.1U CN212939731U (en) | 2020-04-28 | 2020-04-28 | Large-aperture CT machine with safe collision-preventing function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020683932.1U CN212939731U (en) | 2020-04-28 | 2020-04-28 | Large-aperture CT machine with safe collision-preventing function |
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| CN212939731U true CN212939731U (en) | 2021-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425323A (en) * | 2021-08-10 | 2021-09-24 | 明峰医疗系统股份有限公司 | Control system and method of CT diagnosis bed |
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2020
- 2020-04-28 CN CN202020683932.1U patent/CN212939731U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425323A (en) * | 2021-08-10 | 2021-09-24 | 明峰医疗系统股份有限公司 | Control system and method of CT diagnosis bed |
| CN113425323B (en) * | 2021-08-10 | 2023-07-25 | 明峰医疗系统股份有限公司 | Control system and method of CT diagnosis bed |
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