CN107007297B - Protection device based on computed tomography scanner - Google Patents
Protection device based on computed tomography scanner Download PDFInfo
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- CN107007297B CN107007297B CN201710185282.0A CN201710185282A CN107007297B CN 107007297 B CN107007297 B CN 107007297B CN 201710185282 A CN201710185282 A CN 201710185282A CN 107007297 B CN107007297 B CN 107007297B
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- air
- control unit
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- pressure detection
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
Abstract
The invention discloses a protective device based on a computed tomography scanner, which has the technical scheme that the protective device is characterized by comprising a detection plate, a buffer assembly, a driving member and a control unit, wherein the detection plate is divided into a plurality of mutually-spaced detection areas, and each detection area is provided with a pressure detection point; the control unit is used for recording the number of triggered pressure detection points in all the detection areas, and when the number of triggered pressure detection points is smaller than a first preset number and larger than a second preset number, the control unit controls the driving component to start so that the trachea extends out of the channel to enter a preparation state; when the number of the triggered pressure detection points is less than a second preset number, the control unit controls the opening of the inflating electromagnetic valve to inflate the air bag through the inflator pump; the air bag type buffer can buffer a patient through the air bag, and has the characteristic of high safety.
Description
Technical Field
The invention relates to the field of protective equipment, in particular to a protective device based on a computed tomography scanner.
Background
The computerized tomography scanner includes penetrating type and emitting type, and the emitting type computerized tomography scanner, named ECT, is one examination method with radioactive nuclide.
The ECT is a probe special for detecting nuclear rays (gamma rays), a bracket for fixing the probe and rotating in all directions, and a central console (a high-performance electronic computer capable of operating at high speed and processing and storing a large amount of data, 16-64 bits) provided with a system program. Under the control of the acquisition program, the probe collects gamma rays emitted from a target organ, the gamma rays are amplified by crystal light (converted into visible light) and guided to a cathode (50-107 pieces are frequently arranged on a light guide surface on the surface of the crystal) of a photomultiplier (P.M.T), the gamma rays are converted into electric pulse signals, the electric pulse signals are transmitted to a computer according to the appointed position of a position decoder, and the computer converts the signals into digital signals through analog/digital (A/D) conversion and stores the digital signals. Under the control of the processing program, the computer will perform digital/analog (D/A) conversion and project an image on the screen according to the pixel (pixel) points in the direction of the signal source stroke mark.
An ECT bed in an existing hospital is a flat bed examination bed, a patient lies on the examination bed for ECT examination, the width of the ECT examination bed is narrow, the ECT examination belongs to radiation examination, medical staff need to remotely control the ECT examination bed to enable the patient carried by the examination bed to be fed into a scanner for examination, and for some special patients, such as mentally handicapped people, the ECT examination bed is prone to rolling off from the ECT examination bed due to the fact that own behaviors cannot be controlled.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a protective device based on a computed tomography scanner, which has the characteristic of high safety.
The technical purpose of the invention is realized by the following technical scheme:
a protector based on computed tomography scanner, includes the inspection bed, the inspection bed includes bed board and base, and this protector still includes:
the detection board is arranged on the bed board to be in contact with a human body and is divided into a plurality of mutually-spaced detection areas, and each detection area is provided with a pressure detection point;
the buffer assembly is symmetrically arranged in the base and comprises a hollow supporting tube, a plurality of air tubes communicated with the supporting tube and a plurality of air bags respectively sleeved and fixed on each air tube, a plurality of channels opposite to the air tubes are arranged on the base, air holes communicated with the air bags are arranged on the air tubes, the supporting tube is communicated with an inflation electromagnetic valve through a first hose, and the inflation electromagnetic valve is connected with an inflator pump;
a driving member connected to the support tube for driving the support tube to move so that the trachea extends out of the passageway;
the control unit is used for recording the number of triggered pressure detection points in all the detection areas, and when the number of triggered pressure detection points is smaller than a first preset number and larger than a second preset number, the control unit controls the driving component to start so that the trachea extends out of the channel to enter a preparation state; when the number of the triggered pressure detection points is less than a second preset number, the control unit controls the opening of the inflating electromagnetic valve to inflate the air bag through the inflator pump.
According to the technical scheme, after a patient lies on a detection plate and a computer tomography scanner enters scanning detection work, a control unit controls the detection plate, a buffer component and a driving component to enter a working state, at the moment, the patient is in contact with the detection plate, the number of areas occupied by the patient on the detection plate is large, pressure detection points of corresponding detection areas are triggered, at the moment, the number of triggered pressure detection points is recorded by the control unit, and if the patient moves on the detection plate, the number of pressure detection points of the detection areas is changed, so that when the number of triggered pressure detection points is smaller than a first preset number and larger than a second preset number, an air pipe extends out of a channel to enter a buffer preparation state, and at the moment, if the movement action of the patient is reset to be consistent with the original number, the air pipe retracts under the action of the driving component;
when the number that is triggered at the pressure detection point is less than the second and predetermines the number, it indicates that the patient falls from the pick-up plate when being detected the scanning, and the control unit will control inflation solenoid valve and open, and at this moment, the pump inflates the gasbag through the stay tube for the gasbag expands outside the base and cushions in order to the patient that drops, reaches the purpose of protection patient, has the high characteristics of security.
Preferably, the driving member comprises a cylinder fixed in the base, and an output rod of the cylinder is connected to the support pipe.
Through above-mentioned technical scheme, the mode that the cylinder drive stay tube removed for the speed that the trachea stretches out is faster.
Preferably, the driving member comprises a servo motor, an output shaft of the servo motor is connected with a screw rod through a coupler, and a thread block in threaded fit with the screw rod is arranged on the outer wall of the supporting tube.
Through the technical scheme, the servo motor drives the screw rod to rotate, and the screw rod is matched with the thread block to enable the supporting pipe to move so as to achieve the purpose of stable movement of the supporting pipe.
Preferably, the support tube is connected with an air exhaust solenoid valve through a second hose, the air exhaust solenoid valve is connected with an air exhaust pump, and the control unit is used for controlling the air exhaust solenoid valve to be opened after the air bag is inflated for a preset time.
Through the technical scheme, after the air bag is inflated to finish buffering work of a patient, the control unit controls the air exhaust electromagnetic valve to be opened, the air exhaust pump works to extract air in the air bag, and therefore when the support rod is reset by the driving component, the air bag which is expanded is prevented from influencing an air pipe accommodating channel.
Preferably, the trachea is coated with a silica gel sleeve, and the silica gel sleeve is provided with an air passage opposite to the air hole.
Through above-mentioned technical scheme, the silica gel cover has the characteristics of high elasticity, and the cladding can avoid causing the injury through personnel's shank when the trachea stretches out the passageway at the silica gel cover outside the trachea.
Preferably, the open end of the balloon is fixed to the trachea by a clamp.
Through above-mentioned technical scheme, the open end of gasbag passes through the clamp to be fixed on the trachea, reaches the gasbag and changes the convenience, characteristics that airtight is good.
In summary, compared with the prior art, the beneficial effects of the invention are as follows:
when the patient enters into the computed tomography scanner on the examining table to carry out detection scanning, the position of the patient on the examining table is detected in real time, when the patient drops from the examining table, the air bag is inflated by the inflator pump, so that the air bag expands outside the base to buffer the falling patient, the purposes of protecting the patient and preventing the patient from falling to the ground and being injured are achieved, and the safety is high.
Drawings
FIG. 1 is a schematic illustration of an installation of an embodiment;
FIG. 2 is a schematic structural view of a detection plate;
FIG. 3 is a schematic view of one embodiment of a drive member;
FIG. 4 is a schematic structural view of another embodiment of the drive member;
FIG. 5 is a schematic view of the buffer assembly with the air tube extending out of the passage;
FIG. 6 is a system block diagram of one embodiment of a drive member;
FIG. 7 is a system block diagram of another embodiment of a drive member.
Reference numerals: 1. an examination bed; 101. a bed board; 102. a base; 103. a lifting platform; 104. a sliding table; 2. a central console; 3. detecting a plate; 301. detecting a region; 302. a pressure detection point; 4. a buffer assembly; 401. supporting a tube; 402. an air tube; 403. an air bag; 404. clamping a hoop; 405. a silica gel sleeve; 406. air holes; 407. a channel; 408. an inflation solenoid valve; 409. an inflator pump; 410. an air exhaust electromagnetic valve; 411. an air pump; 412. a first hose; 413. a second hose; 5. a drive member; 510. a cylinder; 520. a servo motor; 521. a coupling; 522. a screw; 523. a thread block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a protection device based on a computed tomography scanner includes an examination couch 1, the examination couch 1 includes a couch plate 101 and a base 102, a lifting platform 103 is disposed on the base 102, the lifting platform 103 is used for driving the couch plate 101 to lift up and down, wherein a sliding platform 104 for driving the couch plate 101 to move back and forth is disposed on the lifting platform 103, so that the couch plate 101 can enter the computed tomography scanner under the action of the sliding platform 104. The computer tomography scanner is connected with a central console 2, and in the embodiment, the central console 2 adopts a high-performance electronic computer which can run at a high speed and process and store a large amount of data. Under the control of the collecting program, the probe collects the gamma ray emitted from the target organ, the gamma ray is amplified by the crystal light and guided to the cathode of the photomultiplier to be converted into an electric pulse signal, the electric pulse signal is transmitted to the central console 2 according to the designated position of the position decoder, and the central console 2 converts the signal into a digital signal through A/D (analog/digital) conversion and stores the digital signal. Under the control of the processing program of the central console 2, the central console 2 performs D/A conversion and projects an image on the screen according to the pixel points in the direction of the signal source.
The guard further comprises a sensing plate 3, a damping assembly 4, a drive member 5 and a control unit.
As shown in fig. 2, the detection board 3 is mounted on the bed plate 101 to contact with a human body, the detection board 3 is divided into a plurality of detection areas 301 spaced from each other, each detection area 301 is provided with a pressure detection point 302, and in this embodiment, each pressure detection point 302 is provided with a piezoelectric ceramic or a force sensitive resistor for detecting the pressure of a patient on the detection board 3. When a patient lies on the detection plate 3, the body of the patient contacts each detection area 301 in the detection plate 3, the detection areas 301 are spaced from each other, therefore, two adjacent detection areas 301 do not interfere with each other, and the pressure detection point 302 in each detection area 301 irradiated by the body of the patient can detect the pressure of the body of the patient.
As shown in fig. 3, two buffer assemblies 4 are provided in this embodiment, two buffer assemblies 4 are symmetrically installed in the base 102, and each buffer assembly 4 includes a hollow support tube 401, a plurality of air tubes 402 communicated with the support tube 401, and a plurality of air bags 403 respectively sleeved and fixed on each air tube 402. The number of the air pipes 402 is four, the four air pipes 402 are distributed at equal intervals along the length direction of the support pipe 401, the number of the air bags 403 corresponds to the number of the air pipes 402, the open ends of the air bags 403 are fixed on the air pipes 402 through the clamping bands 404, wherein the air pipes 402 are provided with air holes 406 communicated with the air bags 403, the air pipes 402 are coated with the silica gel sleeves 405, and the silica gel sleeves 405 are provided with air passages opposite to the air holes 406.
A plurality of channels 407 opposite to the air pipe 402 are arranged on the base 102, wherein one end of the support pipe 401 is communicated with an inflation solenoid valve 408 through a first hose 412, and the inflation solenoid valve 408 is connected with an inflation pump 409; the other end of the support tube 401 is connected to an air-extracting solenoid valve 410 through a second hose 413, and the air-extracting solenoid valve 410 is connected to an air-extracting pump 411.
As shown in fig. 3, a driving member 5 is connected to the support tube 401 for driving the support tube 401 to move so that the air tube 402 extends out of the passage 407; in one embodiment, the driving means 5 comprises a cylinder 510 fixed in the base 102, the output rod of the cylinder 510 being connected to the support tube 401; in another embodiment, referring to fig. 4, the driving member 5 includes a servo motor 520, a screw 522 is connected to an output shaft of the servo motor 520 through a coupling 521, and a screw block 523 in threaded engagement with the screw 522 is provided on an outer wall of the support tube 401.
Referring to fig. 2, 6 and 7, the control unit is configured to record the number of triggered pressure detection points 302 in all detection areas 301, and when the number of triggered pressure detection points 302 is smaller than a first preset number and larger than a second preset number, the control unit controls the driving member 5 to start to make the air tube 402 extend out of the passage 407 to enter a preparation state; when the number of the triggered pressure detection points 302 is less than the second preset number, the control unit controls the inflation solenoid valve 408 to open to inflate the airbag 403 through the inflator 409.
The working process of the protection device is as follows:
after the control unit detects that the computed tomography scanner enters the scanning detection work, the control unit controls the detection plate 3, the buffer assembly 4 and the driving member 5 to enter the working state;
at this time, the patient contacts the detection plate 3, the number of detection areas 301 irradiated by the patient on the detection plate 3 is large, the pressure detection points 302 of the corresponding detection areas 301 are triggered, at this time, the control unit records the number of triggered pressure detection points 302, and if the patient moves on the detection plate 3, such as turns, lifts hands and the like, the number of pressure detection points 302 of the detection areas 301 is changed, so that when the number of triggered pressure detection points 302 is smaller than the first preset number and larger than the second preset number, the air pipe 402 extends out of the channel 407 to enter a buffer preparation state;
if the patient's movement is reset to be consistent with the original movement, the trachea 402 will be retracted under the action of the driving means 5;
when the number of the triggered pressure detection points 302 is less than the second preset number, it indicates that the patient is not located on the detection plate 3 during the detection scanning, and the number of the pressure detection points 302 on the detection plate 3 is too small or equal to zero, at this time, it is determined that the patient falls from the detection plate 3, the control unit controls the inflation solenoid valve 408 to be opened, at this time, the inflator 409 starts to operate, and the gas enters the trachea 402 through the inflation solenoid valve 408, the first hose 412, and the support tube 401, and enters the airbag 403 through the gas hole 406 of the trachea 402, because in the ready state, the trachea 402 has already extended out of the channel 407, as shown in fig. 5, the inflated airbag 403 will expand out of the base 102 to cushion the falling patient, so as to achieve the purpose of protecting the patient, and has the characteristic of high safety.
It should be noted that, after the control unit controls the charging solenoid valve to open so as to inflate the air bag 403, the control unit is provided with a delay circuit, and after a preset time, the control unit will control the air exhaust solenoid valve 410 to open, control the air exhaust pump 411 to start so as to exhaust the air in the air bag 403, and control the driving member 5 to start so as to accommodate the air tube 402 into the base 102 again, so as to enter the preparation state for buffering the patient next time.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (6)
1. A protection device based on a computed tomography scanner, comprising an examination couch (1), the examination couch (1) comprising a couch plate (101) and a base (102), characterized in that the protection device further comprises:
the detection board (3) is arranged on the bed board (101) to be in contact with a human body, the detection board (3) is divided into a plurality of detection areas (301) which are mutually spaced, and each detection area (301) is internally provided with a pressure detection point (302);
the buffer assembly (4) is symmetrically arranged in the base (102), the buffer assembly (4) comprises a hollow supporting tube (401), a plurality of air tubes (402) communicated with the supporting tube (401), and a plurality of air bags (403) which are respectively sleeved and fixed on each air tube (402), a plurality of channels (407) opposite to the air tubes (402) are arranged on the base (102), air holes (406) communicated with the air bags (403) are arranged on the air tubes (402), the supporting tube (401) is communicated with an inflation electromagnetic valve (408) through a first hose (412), and the inflation electromagnetic valve (408) is connected with an inflation pump (409);
a driving member (5) connected to the support tube (401) for driving the support tube (401) to move so that the air tube (402) extends out of the passage (407);
the control unit is used for recording the number of triggered pressure detection points (302) in all the detection areas (301), and when the number of triggered pressure detection points (302) is smaller than a first preset number and larger than a second preset number, the control unit controls the driving component (5) to start so that the air pipe (402) extends out of the channel (407) to enter a preparation state; when the number of the triggered pressure detection points (302) is less than a second preset number, the control unit controls the inflation solenoid valve (408) to be opened so as to inflate the air bag (403) through the inflator (409).
2. A ct scanner-based shielding device according to claim 1, wherein the driving member (5) comprises a cylinder (510) fixed in the base (102), the output rod of the cylinder (510) being connected to the support tube (401).
3. The computed tomography scanner-based protective device according to claim 1, wherein the driving member (5) comprises a servo motor (520), an output shaft of the servo motor (520) is connected with a screw rod (522) through a coupling (521), and a thread block (523) in threaded fit with the screw rod (522) is arranged on the outer wall of the support tube (401).
4. The computed tomography scanner-based shielding apparatus as claimed in claim 1, wherein the supporting tube (401) is connected to a suction solenoid valve (410) through a second hose (413), the suction solenoid valve (410) is connected to a suction pump (411), and the control unit is configured to control the suction solenoid valve (410) to open after a preset time after the air bag (403) is inflated.
5. The computed tomography scanner-based protective device as claimed in claim 1, wherein the air tube (402) is covered with a silicone sleeve (405), and the silicone sleeve (405) is provided with an air passage opposite to the air hole (406).
6. A ct scanner-based shielding device according to claim 1, characterized in that the open end of the balloon (403) is fixed to the trachea (402) by means of a clamp (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710185282.0A CN107007297B (en) | 2017-03-25 | 2017-03-25 | Protection device based on computed tomography scanner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710185282.0A CN107007297B (en) | 2017-03-25 | 2017-03-25 | Protection device based on computed tomography scanner |
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| CN107007297A CN107007297A (en) | 2017-08-04 |
| CN107007297B true CN107007297B (en) | 2020-06-26 |
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| CN201710185282.0A Active CN107007297B (en) | 2017-03-25 | 2017-03-25 | Protection device based on computed tomography scanner |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202490128U (en) * | 2012-03-26 | 2012-10-17 | 李建军 | Flexible force-sensitive sensing cushion |
| CN203204788U (en) * | 2013-04-28 | 2013-09-18 | 贝辛电子科技（上海）有限公司 | Off-bed monitoring alarm system |
| CN203659162U (en) * | 2013-12-04 | 2014-06-18 | 北京科迪盛业技术服务有限公司 | Pedestrian state detection system with pressure sensors |
| CN205214795U (en) * | 2015-12-16 | 2016-05-11 | 四川华象林产工业有限公司 | Intelligent child bed |
| CN105705091A (en) * | 2014-06-02 | 2016-06-22 | 住友理工株式会社 | Orientation determination device and orientation determination method |
| CN106388418A (en) * | 2015-07-28 | 2017-02-15 | 由田新技股份有限公司 | Fall arrest device and method of operating same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10004430B2 (en) * | 2014-12-29 | 2018-06-26 | Lg Cns Co., Ltd. | Apparatus and method for detecting a fall |
-
2017
- 2017-03-25 CN CN201710185282.0A patent/CN107007297B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202490128U (en) * | 2012-03-26 | 2012-10-17 | 李建军 | Flexible force-sensitive sensing cushion |
| CN203204788U (en) * | 2013-04-28 | 2013-09-18 | 贝辛电子科技（上海）有限公司 | Off-bed monitoring alarm system |
| CN203659162U (en) * | 2013-12-04 | 2014-06-18 | 北京科迪盛业技术服务有限公司 | Pedestrian state detection system with pressure sensors |
| CN105705091A (en) * | 2014-06-02 | 2016-06-22 | 住友理工株式会社 | Orientation determination device and orientation determination method |
| CN106388418A (en) * | 2015-07-28 | 2017-02-15 | 由田新技股份有限公司 | Fall arrest device and method of operating same |
| CN205214795U (en) * | 2015-12-16 | 2016-05-11 | 四川华象林产工业有限公司 | Intelligent child bed |
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