CN208852266U - The full-automatic gamma knife alpha ray shield instrument of double control-type - Google Patents
The full-automatic gamma knife alpha ray shield instrument of double control-type Download PDFInfo
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- CN208852266U CN208852266U CN201721307642.1U CN201721307642U CN208852266U CN 208852266 U CN208852266 U CN 208852266U CN 201721307642 U CN201721307642 U CN 201721307642U CN 208852266 U CN208852266 U CN 208852266U
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- guide rail
- gamma knife
- alpha ray
- shield
- instrument
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- 230000005260 alpha ray Effects 0.000 title claims abstract description 94
- 230000005855 radiation Effects 0.000 claims abstract description 67
- 230000002285 radioactive effect Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 9
- 230000001225 therapeutic effect Effects 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 7
- 230000005251 gamma ray Effects 0.000 description 6
- 238000012216 screening Methods 0.000 description 4
- 238000002560 therapeutic procedure Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000009198 gamma knife radiosurgery Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 101000773907 Archaeoglobus fulgidus (strain ATCC 49558 / DSM 4304 / JCM 9628 / NBRC 100126 / VC-16) Acetate-CoA ligase [ADP-forming] I Proteins 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000009098 adjuvant therapy Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009093 first-line therapy Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000005355 lead glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000003537 radioprotector Effects 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Radiation-Therapy Devices (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The utility model discloses a kind of full-automatic gamma knife alpha ray shield instrument of double control-type, before alpha ray shield instrument is installed on gamma knife radioactive source emergent ray shield door, it can be moved left and right along gamma knife head, dentation guide rail both ends are arranged on the column of two sides, dentation guide rail forms gear with carrying pulley and connect, carrying pulley, which is connected to the motor, to be connect, and dentation guide rail is run under motor drag；Cover board is arranged above dentation guide rail, covers dentation guide rail and hanging piece slideway；The lower section of dentation guide rail is arranged in hanging piece slideway, radiation shield suspender member and combination hanging piece are respectively slidably arranged on hanging piece slideway, radiation shield suspender member is connected with combination hanging piece, combination hanging piece is connected by connection guide rail with dentation guide rail, and radiation shield is hung below radiation shield suspender member；Motor is electrically connected with automatic controller, and switch button is electrically connected with automatic controller, and emergency stop button is electrically connected with motor.
Description
Technical field
The utility model relates to alpha ray shield instrument fields, in particular to a kind of full-automatic gamma knife ray of double control-type
Shield instrument.
Background technique
In the prior art, in the Chinese literature about ray irradiation protective device, report intervening equipment X-ray production apparatus more
Additional radiation protector, the device for often including are as follows: traditional lead protection articles, such as apron,lead, lead muffler, lead cap, lead
Glasses；Easy lead protection device, such as protecting screen, bed are hung oneself curtain and lead screen on bedside lead curtain, bed；Equipped with mechanically and electrically
The protective device of dynamic device, such as mobile X-ray protecting screen.
The said goods in existing are only for additional radiation protector designed by X-ray production apparatus, since gamma-rays is worn
Saturating power is strong, and it is just very faint that the said goods issue gamma-ray shield effectiveness to gamma knife, and effectively radiation is not achieved at all and prevents
The purpose of shield yet there are no the report using gamma knife gamma-rays radioprotector in conjunction in the domestic document published.
Currently, gamma knife has become the indispensable indispensable adjuvant treatment equipment of neurosurgery, and in radiotherapy field
Status and act on it is also more and more important, treatment technology is very mature, has become one for the treatment of method of international standard, especially
It is as the disease incidence of malignant tumour rises year by year, and using gamma knife treatment, patient populations quickly increase, this is just obvious to increase
Add the dose of radiation that medical worker is received, and domestic gamma knife still manually checks and approves target coordinate and treats patient, every verification is primary
Therapy target, medical staff will be primary into computer room, usually obtain within one day and enter more than 100 times, must enter more than 30000 times within 1 year,
Then the X-ray receiving amount of medical worker will obviously increase, and for the dose of radiation for being further reduced staff, protect it from overdose
Irradiation, guarantees that its radiation safety, external radiation safeguard procedures are essential.
Utility model content
The utility model provides a kind of full-automatic gamma knife alpha ray shield instrument of double control-type, exists in the prior art to overcome
At least one problem.
A kind of in order to achieve the above object, the utility model provides full-automatic gamma knife alpha ray shield instrument of double control-type, it is described
It before alpha ray shield instrument is installed on gamma knife radioactive source emergent ray shield door, can be moved left and right along gamma knife head, the ray screen
Cover instrument include: radiation shield, switch button, emergency stop button, cover board, column, carrying pulley, motor, automatic controller,
Dentation guide rail, limit switch, radiation shield suspender member, connection guide rail, pendant slideway and the anti-drift block of radiation shield,
In:
Dentation guide rail both ends are arranged on the column of two sides, and the dentation guide rail is formed with the carrying pulley
Gear connection, the carrying pulley are connected with the motor, and the dentation guide rail is run under the motor drag；
The cover board is arranged above the dentation guide rail, covers the dentation guide rail and hanging piece slideway；
The lower section of the dentation guide rail is arranged in the hanging piece slideway, and the radiation shield suspender member and the combination are hung
Part is respectively slidably arranged on the hanging piece slideway, and the radiation shield suspender member is connected with combination hanging piece, described
Combination hanging piece is connected by the connection guide rail with the dentation guide rail, and the radiation shield hanging is in the radiation protection
Shield below suspender member；
The motor is electrically connected with the automatic controller, and the switch button is electrically connected with the automatic controller, institute
Emergency stop button is stated to be electrically connected with the motor；
The limit switch has 2, is separately positioned on the both ends of the hanging piece slideway；
(built-in pulley prevents front and back drift in radiation shield operational process to the anti-drift block 1 of radiation shield
Move), it is arranged in the upper end of intermediate short column (gamma knife treatment bed right side), is clipped in the lower end of radiation shield.
Further, the full-automatic gamma knife alpha ray shield instrument of above-mentioned double control-type further include: infrared ray safety sensor and
Infrared ray safety sensor transmitting terminal and receiving end, infrared ray safety sensor setting upper end cover board side and with
The automatic controller electrical connection, the infrared ray safety sensor transmitting terminal and receiving end are arranged on the column.
Further, the automatic controller is arranged in the cover board.
Further, the switch button is arranged on the column of side.
Further, the emergency stop button is arranged on the column of side.
Further, the state of the shielding door opening and closing state in gamma knife equipment and the limit switch passes through external relay
Collectively as the ACS controller of an input signal access gamma knife equipment after device realization logical AND operation.
Further, the radiation shield uses the stereotype of tenth-value layer thickness.
The utility model benefit is mainly manifested in the following aspects: 1. devices are furnished with enough lead equivalents (mmPb),
Radiation-screening is carried out as radiation shield using tenth-value layer (TVL) thickness stereotype (i.e. stereotype is with a thickness of 10mm),
Alpha ray shield effect is strong, overcomes existing lead protection device very faint to gamma ray shielding effect, and it is anti-that effectively radiation is not achieved
The shortcomings that shield 2., can be such that the gamma-ray dose of radiation of gamma knife leakage significantly reduces, through X, gamma meter measurement away from γ knife
Neutron Ambient Dose Equivalent rate at radioactive source protective shielding surface 5cm and 1m, by 20 μ of gamma knife alpha ray shield instrument closed state
Sv/h；7.2 μ Sv/h are reduced to 3.3 μ Sv/h of gamma knife alpha ray shield instrument open state respectively；2.3 μ Sv/h, are able to achieve most
Reduce to limits the dose of radiation of medical staff.3. automatic controller is used, to accurately control the accurate operation of the device.4.
Itself be equipped with safety device-infrared ray safety sensor, emergency stop button (STOP) etc., meanwhile, and by the device with
The control circuits such as gamma knife shield door, therapeutic bed are connected to form security protection interlock system, to achieve the purpose that double control, really
Protect being perfectly safe for hospitalized patients.
In terms of economic benefit: currently, the gamma knife quantity applied all over the world is very huge, only different type gal at home
The operation quantity of Ma knife just more than 400, installs about 300,000 yuan/platform of gamma knife alpha ray shield instrument expense, then its city at home
About 1.2 hundred million yuan of market share or so, undoubtedly the patent achievement conversion application prospect it is very vast, have good social benefit and
Economic benefit.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Spatial position schematic diagram when Fig. 1 is the alpha ray shield instrument standard-sized sheet of the utility model one embodiment；
Fig. 2 is the spatial position schematic diagram when alpha ray shield instrument of the utility model one embodiment closes entirely；
Fig. 3 is the front view of the alpha ray shield instrument of the utility model one embodiment；
Fig. 4 is the right side view of the alpha ray shield instrument of the utility model one embodiment；
Fig. 5 is the top view of the alpha ray shield instrument of the utility model one embodiment；
Fig. 6 is the panoramic view of the alpha ray shield instrument of the utility model one embodiment；
Fig. 7 is partial sectional view inside the alpha ray shield instrument upper cover plate of the utility model one embodiment.
Fig. 8 is the alpha ray shield instrument control principle drawing of one embodiment of the invention.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model innovatively devises a kind of new alpha ray shield instrument --- full-automatic gamma knife ray screen of double control-type
Cover instrument, which are mainly applied in gamma knife radiosurgery equipment, being a kind of additional ray irradiation safeguard procedures, with protection due to
The shield effectiveness of gamma knife equipment itself is limited, still has sub-fraction ray to pass through the slit of gamma knife shield door and cause to radiate
Leakage has avoided its rasdiation damage, has guaranteed its radiation safety to reduce the dose of radiation of medical worker to the maximum extent.
The utility model is strong for gamma-rays penetration power, the high feature of radiation protective requirement, and innovative design is a kind of new
The full-automatic gamma knife alpha ray shield instrument of radiation shield equipment-double control-type.Firstly, the device is furnished with enough lead equivalents (mmPb),
Radiation-screening is carried out as radiation shield using tenth-value layer (TVL) thickness stereotype (i.e. stereotype is with a thickness of 10mm), it can
Make gamma knife leak out gamma-ray dose of radiation to reduce up to 90% or more, existing lead protection device is overcome to imitate gamma ray shielding
The shortcomings that fruit is very faint, and effective radioactive protection is not achieved, to ensure that the radiation safety of medical worker.Secondly, to ensure
The accuracy of device run action itself, the device use automatic controller；It is infrared that itself is equipped with safety device-
Line safety sensor, emergency stop button (STOP) etc., meanwhile, and the device and gamma knife shield door, therapeutic bed etc. are controlled
Circuit is connected to form security protection interlock system, to achieve the purpose that double control, it is ensured that hospitalized patients are perfectly safe.Again
Secondary, although device the whole series weight is up to 200kg, its operation is light, flexible, realizes automatically, can be widely used in
It is clinical.
Specific embodiment of the utility model is discussed in detail below in conjunction with attached drawing.
The alpha ray shield instrument structure of the utility model one embodiment is as shown in FIG. 1 to FIG. 7.Fig. 1 is shown as alpha ray shield
Spatial position when instrument standard-sized sheet, alpha ray shield instrument is in off position at this time, can star gamma knife equipment, carries out treatment disease
People；Fig. 2 is shown as spatial position when alpha ray shield instrument closes entirely, and alpha ray shield instrument is in running order at this time, radiation protection
Screen just runs on the front of gamma knife head, can further block the ray that the slit of gamma knife shield door leaks out, medical matters people
Member can enter computer room and carry out checking and approving therapy target coordinate, and patient puts position, to be further reduced the X-ray receiving amount of medical worker；Fig. 3,
Fig. 4, Fig. 5 show the front view of alpha ray shield instrument, right side view and top view respectively；Fig. 6 shows the panorama of alpha ray shield instrument
View, the automatic control device assembly of upper cover plate inside setting alpha ray shield instrument；Fig. 7 shows alpha ray shield instrument upper cover plate
Internal partial sectional view shows the automatic control device assembly of alpha ray shield instrument.
Each component part of alpha ray shield instrument structural schematic diagram is as follows: A is gamma knife treatment bed；The gamma knife treatment bed head protection of B
Cover；C gamma knife head (built-in radioactive source)；The radiation shield of D alpha ray shield instrument；The infrared ray of E alpha ray shield instrument passes safely
Sensor transmitting terminal and receiving end；The switch button of F alpha ray shield instrument；The emergency stop button (STOP) of G alpha ray shield instrument；H is penetrated
The column of line shielding instrument；The indicator light of I alpha ray shield instrument；J alpha ray shield instrument upper end cover board (built-in alpha ray shield instrument it is automatic
Controller assemblies)；K gamma knife shield door (is divided into two fan up and down, centre has the gap, can sand permeation)；L alpha ray shield instrument is held
Carry pulley；The motor (motor) of M alpha ray shield instrument；The automatic controller of N-ray shielding instrument；The infrared ray of O alpha ray shield instrument is pacified
Full sensor；The dentation guide rail of P alpha ray shield instrument；The limit switch of Q alpha ray shield instrument；The radiation shield of R alpha ray shield instrument
Suspender member；The connection guide rail and radiation shield of S alpha ray shield instrument combine suspender member；T pendant slideway；U alpha ray shield instrument is penetrated
The anti-drift block of line protecting screen (built-in pulley prevents front and back drift in radiation shield operational process).
In the present embodiment, dentation guide rail both ends are arranged on the column of two sides, and dentation guide rail and carrying pulley form gear
Connection, carrying pulley, which is connected to the motor, to be connect, and dentation guide rail is run under motor drag；
Cover board is arranged above dentation guide rail, covers dentation guide rail and hanging piece slideway；Hanging piece slideway is arranged in dentation guide rail
Lower section, radiation shield suspender member and combination hanging piece be respectively slidably arranged on hanging piece slideway, radiation shield hanging
Part is connected with combination hanging piece, and combination hanging piece is connected by connection guide rail with dentation guide rail, and radiation shield is hung in ray
Below protecting screen suspender member；Motor is electrically connected with automatic controller, and switch button is electrically connected with automatic controller, and emergency braking is pressed
Button is electrically connected with motor；Limit switch has 2, is separately positioned on the both ends of hanging piece slideway；The anti-drift block of radiation shield
Setting is in the upper end of (built-in pulley prevents drift before and after radiation shield) intermediate short column (gamma knife treatment bed right side), folder
In the lower end of radiation shield.
The full-automatic gamma knife alpha ray shield instrument of double control-type is to be added to full-automatic spoke in existing gamma-knife on head equipment
Shielding device is penetrated, i.e., is a suspension type radiation protection before the alpha ray shield instrument being installed on gamma knife radioactive source emergent ray shield door
Device is moved left and right along gamma knife head, and the device can automatically move out when patient treats, when patients stopping treatment the device can from
Dynamic to move into the slit for blocking gamma knife shield door emergent ray, then medical worker enters computer room and operates, and subtracts it significantly
Few ray radiation.The device is furnished with enough lead equivalents (mmPb), using tenth-value layer (TVL) thickness stereotype (i.e. stereotype
With a thickness of 10mm) as radiation shield carry out radiation-screening, can make to leak out gamma-ray dose of radiation reduce up to 90% with
On；For the accuracy for ensuring device run action itself, computerized auto-controller is used；Itself it is equipped with security protection dress
- infrared ray safety sensor, emergency stop button (STOP) etc. are set, meanwhile, and by the device and gamma knife shield door, therapeutic bed
Etc. control circuits be connected to form security protection interlock system, to achieve the purpose that double control, it is ensured that the abampere of hospitalized patients
Entirely.Therefore the addition of the device, while not only ensure that gamma knife treatment process is gone on smoothly, and effectively reduces and treated
Radiation hazradial bundle of the journey China and foreign countries leak ray to medical staff.
It is mounted with limit switch respectively in the two sides (see the position Q of Fig. 7) of alpha ray shield instrument upper cover plate inner races.When
When alpha ray shield instrument is in full off-position or standard-sized sheet position, limit switch then issues a high level signal and inputs to alpha ray shield instrument
Automatic controller, while being also fed into gamma knife ACS controller, one of judgement signal when as System self-test or work.
In gamma knife equipment, control is completed by four axis controller ACS, and 4 control channels of the controller have been used
Yu Yuanti, the movement for collimating body, shield door and therapeutic bed, therefore the alpha ray shield instrument needs to carry out by independent executing agency
Control (itself installation automatic controller, can independent operating).The column that this alpha ray shield instrument is fixedly secured by being located at both ends
On guide rail, by motor (motor) drag run.When needing motor (motor) to run, pass through given rate signal control screen
Cover instrument switch operation.The stopping of system or operation by its limit switch or operating room operation button and gamma knife device mask
The states such as door, therapeutic bed codetermine.
The automatic controller that the alpha ray shield instrument control principle can be installed by alpha ray shield instrument itself, complete independently, together
When again by the standard-sized sheet position of the automatic controller of alpha ray shield instrument itself and full off-position signal access gamma knife ACS controller, ginseng
It is controlled with equipment, as shown in Figure 8.
Shielding door opening and closing state in gamma knife equipment and limit switch (see the position Q in Fig. 7) shape in alpha ray shield instrument
State realizes the operation of logical AND by external relay in the case where ACS I/O port has taken, defeated collectively as one
Enter signal to enter in ACS controller.The alpha ray shield instrument control system on the basis of realizing its function of shielding, be able to achieve with
Lower virtual protection:
It is chain that alpha ray shield instrument and gamma knife shield door, therapeutic bed form security protection, alpha ray shield instrument and gamma knife screen
Door is covered not while in standard-sized sheet position, and therapeutic bed cannot be into bed.
Alpha ray shield instrument is not in standard-sized sheet position, cannot start gamma knife treatment.
Gamma knife treatment bed to be in initial bit, alpha ray shield instrument just allows to open
Gamma knife shield door, which completely closes to fully open with alpha ray shield instrument, just to allow to treat.
Forbid the operation to alpha ray shield instrument in therapeutic process.
Alpha ray shield instrument access UPS power supply module ensure that system handles the erroneous judgement that alternating current powers off.
The control to alpha ray shield instrument can be completed in gamma knife operating room and computer room.
The full-automatic gamma knife alpha ray shield instrument of double control-type can be completed by following two mode:
1. the automatic controller installed by alpha ray shield instrument itself, complete independently: after gamma knife completes treatment once,
Medical worker, which opens gamma knife computer room protective door, can directly press the switch button of radiation shield instrument (see in Fig. 1 into computer room
F), then automatic controller (see N in Fig. 7) receives enabling signal, controls motor operation (see M in Fig. 7), to tow alpha ray shield
The radiation shield (see D in Fig. 1) of instrument is moved automatically into front of gamma knife shield door with certain speed, and alpha ray shield instrument is then located
In Quan Guanwei (see Fig. 2), to block the leakage ray of gamma knife shield door slit, medical worker starts to check and approve therapy target seat
Mark, patient put position, after, then the switch button of radiation shield instrument is pressed again, and alpha ray shield instrument automatically moves out, and runs to complete
Open position (see Fig. 1) closes gamma knife computer room protective door, starts to start gamma knife treatment.
2. by the way that the standard-sized sheet position signal of the automatic controller of alpha ray shield instrument itself and full off-position signal are accessed gamma knife
ACS controller (see Fig. 8), complete control in gamma knife operating room to alpha ray shield instrument: when gamma knife completes seance
Afterwards, gamma knife equipment detects that therapeutic bed is in initial bit, which is transmitted to alpha ray shield by gamma knife control system (ACS)
Instrument controller, at this moment operator can alpha ray shield instrument in operating room on pushing operation platform for switch button, alpha ray shield instrument
It closes the door, and runs to full off-position (see Fig. 2), to block the leakage ray of gamma knife shield door slit, medical worker can enter
Carry out checking and approving therapy target coordinate to gamma knife computer room, patient puts position, after return to operating room, shut the anti-of gamma knife computer room
Door is protected, presses alpha ray shield instrument for switch button, alpha ray shield instrument automatically moves out, it runs to standard-sized sheet position (see Fig. 1), meanwhile, entirely
Open position signal is sent into the ACS controller of gamma knife, and starting gamma knife carries out next treatment.Wherein, T_Ax is the time in Fig. 8
Axis, Z_Ax are Z axis, and Y_Ax is Y-axis, and X_Ax is X-axis.
Illustrate: 1. the alpha ray shield instrument uses computerized auto-controller, to accurately control the accurate operation of the device.②.
For the safe operation for guaranteeing alpha ray shield instrument, on the one hand, the device itself has outfit safety device-infrared ray and passes safely
Sensor, emergency stop button (STOP) etc., on the other hand, and by the control circuits such as the device and gamma knife shield door, therapeutic bed
It is connected to form security protection interlock system, to achieve the purpose that double control, it is ensured that hospitalized patients are perfectly safe.
To sum up, the alpha ray shield instrument of the utility model -- the full-automatic gamma knife alpha ray shield instrument of double control-type, main application
In in gamma knife radiosurgery equipment, being a kind of additional ray irradiation safeguard procedures, to protect gamma knife equipment itself to shield
Effect is limited, still has sub-fraction ray to pass through gamma knife shield door slit and lead to radiation leakage, and penetrate for gamma-rays
Power is strong, the high feature of radiation protective requirement.Make the device equipped with enough lead equivalents (mmPb), using tenth-value layer (TVL)
Thickness stereotype carries out radiation-screening as radiation shield, so that gamma knife is leaked out gamma Rays dosage and reduces up to 90% or more；
Using full automatic controller, it is equipped with safety device-infrared ray safety sensor, emergency stop button (STOP) etc., together
When, and the control circuits such as the device and gamma knife shield door, therapeutic bed are connected to form security protection interlock system, to reach double
The purpose controlled again, it is ensured that hospitalized patients are perfectly safe, to reduce the dose of radiation of medical worker to greatest extent, exempt from it
By undue exposure, guarantee its radiation safety.Its operation is light, flexible, realizes automatically, can be widely applied to clinic.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic
Replacement；And these are modified or replaceed, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (7)
1. a kind of full-automatic gamma knife alpha ray shield instrument of double control-type, which is characterized in that the alpha ray shield instrument is installed on gamma knife
It before radioactive source emergent ray shield door, can be moved left and right along gamma knife head, the alpha ray shield instrument includes: radiation shield, opens
Close button, emergency stop button, cover board, column, carrying pulley, motor, automatic controller, dentation guide rail, limit switch, ray
Protecting screen suspender member, connection guide rail, pendant slideway and the anti-drift block of radiation shield, in which:
Dentation guide rail both ends are arranged on the column of two sides, and the dentation guide rail and the carrying pulley form gear
Connection, the carrying pulley are connected with the motor, and the dentation guide rail is run under the motor drag；
The cover board is arranged above the dentation guide rail, covers the dentation guide rail and hanging piece slideway；
The lower section of the dentation guide rail is arranged in the hanging piece slideway, and the radiation shield suspender member and combination hanging piece respectively can
It is slidably arranged on the hanging piece slideway, the radiation shield suspender member is connected with the combination hanging piece, the combination
Hanging piece is connected by the connection guide rail with the dentation guide rail, and the radiation shield hanging is hung in the radiation shield
Below pendant；
The motor is electrically connected with the automatic controller, and the switch button is electrically connected with the automatic controller, described tight
Anxious stop button is electrically connected with the motor；
The limit switch has 2, is separately positioned on the both ends of the hanging piece slideway；
Anti- drift block 1 of the radiation shield, built-in pulley prevent front and back drift in radiation shield operational process, if
It sets in the upper end of intermediate short column, is clipped in the lower end of radiation shield.
2. the full-automatic gamma knife alpha ray shield instrument of double control-type according to claim 1, which is characterized in that further include: it is infrared
Line safety sensor and infrared ray safety sensor transmitting terminal and receiving end, the infrared ray safety sensor are arranged described
Upper end cover board side is simultaneously electrically connected with the automatic controller, and the infrared ray safety sensor transmitting terminal and receiving end setting exist
On the column.
3. the full-automatic gamma knife alpha ray shield instrument of double control-type according to claim 1, which is characterized in that the automatic control
Device is arranged in the cover board.
4. the full-automatic gamma knife alpha ray shield instrument of double control-type according to claim 1, which is characterized in that the switch button
It is arranged on the column of side.
5. the full-automatic gamma knife alpha ray shield instrument of double control-type according to claim 1, which is characterized in that the emergency braking
Button is arranged on the column of side.
6. the full-automatic gamma knife alpha ray shield instrument of double control-type according to claim 1, which is characterized in that in gamma knife equipment
Shielding door opening and closing state and the limit switch state by external relay realize logical AND operate after collectively as one
The ACS controller of a input signal access gamma knife equipment.
7. the full-automatic gamma knife alpha ray shield instrument of double control-type according to claim 1, which is characterized in that the radiation protection
Screen uses the stereotype of tenth-value layer thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721307642.1U CN208852266U (en) | 2017-10-11 | 2017-10-11 | The full-automatic gamma knife alpha ray shield instrument of double control-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721307642.1U CN208852266U (en) | 2017-10-11 | 2017-10-11 | The full-automatic gamma knife alpha ray shield instrument of double control-type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208852266U true CN208852266U (en) | 2019-05-14 |
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ID=66409688
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721307642.1U Expired - Fee Related CN208852266U (en) | 2017-10-11 | 2017-10-11 | The full-automatic gamma knife alpha ray shield instrument of double control-type |
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| CN (1) | CN208852266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107648750A (en) * | 2017-10-11 | 2018-02-02 | 哈尔滨医科大学 | The full-automatic gamma knife alpha ray shield instrument of double control-type |
-
2017
- 2017-10-11 CN CN201721307642.1U patent/CN208852266U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107648750A (en) * | 2017-10-11 | 2018-02-02 | 哈尔滨医科大学 | The full-automatic gamma knife alpha ray shield instrument of double control-type |
| CN107648750B (en) * | 2017-10-11 | 2023-10-27 | 哈尔滨医科大学 | Double-control type full-automatic gamma knife ray shielding instrument |
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Granted publication date: 20190514 |