CN110251846A - Tumor radiotherapy dedicated positioning device - Google Patents
Tumor radiotherapy dedicated positioning device Download PDFInfo
- Publication number
- CN110251846A CN110251846A CN201910588194.4A CN201910588194A CN110251846A CN 110251846 A CN110251846 A CN 110251846A CN 201910588194 A CN201910588194 A CN 201910588194A CN 110251846 A CN110251846 A CN 110251846A
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- lead screw
- shell
- box body
- positioning device
- expansion plate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
- A61N2005/1051—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using an active marker
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The present invention relates to tumor radiotherapy dedicated positioning device, effectively solve the problems, such as that hand-held setting-out is inconvenient, inaccurate, error-prone；Its solve technical solution be include cylinder type hollow shell；Shell is equipped with graduated scale, and casing center is set with ratchet on lead screw through there is lead screw, there is pawl on shell, positioning disk can be moved up and down by being set on lead screw, and the lower section of positioning disk is connected with support plate through multiple connecting rods, and the lower end surface of support plate is equipped with cross seal；There is cross opening in housing bottom surface；Hingedly there are two symmetrical quadrangle box below sleeve, there is adsorption layer on box body；Multiple spray heads communicated with inside it can be had along the hollow expansion plate of box and telescopic, the upper surface of expansion plate by being equipped on the medial surface of each box body；Pipeline is connected between box body and chamber；After expansion plate compression, the indoor liquid of chamber can be on from spray head to adsorption layer, and the present invention substantially increases the portability and accuracy of positioning setting-out.
Description
Technical field
The present invention relates to oncotherapy technical fields, especially tumor radiotherapy dedicated positioning device.
Background technique
Radiotherapy is exactly radiotherapy, refers to and eliminates lesion with ray, is a kind of physical therapy for tumour.Radiotherapy is made
For an important means for treating malignant tumour, better effects can produce for many cancers.But since radioactive ray are killing
Go out tumour cell while, the inevitably normal tissue of injury or organ.Effectively to kill tumour cell, as far as possible
Ground reduces normal tissue and organ damage, so drawing upper label, on radiation area skin with ink after positioning to work
Personnel's exact operations in Patients During Radiotherapy.Currently, radiotherapy localization setting-out is that doctor is manually drawn lines against laser.
Manually draw lines the experience for needing to have certain, in setting-out, since hand or detail pen can block laser positioning
Line, therefore can not be accurate against laser line-drawing；Simultaneously because human skin has certain radian and comparison is sliding, it is easy to pen
Point skids；Simultaneously because the reasons such as hand shaking, the line straightness that medical staff draws is not enough etc..
Also have at present and assist drawing lines there is close equipment, but the fraud of such equipment is expensive, Partial Hospitals not yet configure
In place, or based on manually drawing lines, therefore being badly in need of one kind at present can quickly and accurately radiotherapeutic positioning device.
Summary of the invention
For above situation, to solve problems of the prior art, the purpose of the present invention is just to provide tumor radiotherapy
Dedicated positioning device holds the problems such as setting-out is inconvenient, inaccurate, error-prone before can effectively solving tumor radiotherapy.
Its solve technical solution be include cylinder type hollow shell；The upper surface of shell is equipped with limbus ruler, shell
There are two baffles up and down in vivo, the sleeve coaxial with shell be installed between upper and lower two baffles, upper and lower two baffles, shell
Inner wall side, sleeve lateral wall constitute a closed chamber；Through there is vertical lead screw, lead screw is able to rotate at the center of shell
And reset, the lower end of lead screw is placed in the inside of sleeve；Fixing sleeve is equipped with ratchet on lead screw, there is the pawl of control ratchet on shell；
Described is set with positioning disk on the lead screw of sleeve inner, and lead screw rotational positioning disk can move down along sleeve
It is dynamic；The lower section of positioning disk is connected with support plate through multiple connecting rods；Support plate is located at the lower section of lead screw lower end；The lower end surface of support plate
Equipped with cross seal；Cross opening corresponding with seal is offered on the bottom surface of shell；
Hingedly there are two symmetrical quadrangle box below the sleeve, the upper surface of box body is equipped with adsorption layer；Side
Shape box body can swing and be reset to horizontal state inwardly, be equipped with and can stretch along the hollow of box and telescopic on the medial surface of each box body
There are multiple spray heads communicated with inside it in contracting plate, the upper surface of expansion plate；Pipeline is connected between box body and chamber；Expansion plate pressure
After contracting, the indoor liquid of chamber can be on from spray head to adsorption layer.
Operation of the present invention is convenient, and clever structure is low in cost, easily manufactured, safely and effectively, substantially increases positioning setting-out
Portability and accuracy, improve speed and setting-out quality.
Detailed description of the invention
Fig. 1 is whole stereoscopic schematic diagram I of the invention.
Fig. 2 is main view sectional view of the invention.
Fig. 3 is broken isometric schematic diagram II of the invention.
Fig. 4 is top view of the invention.
Fig. 5 is bottom view of the invention.
Fig. 6 is the matching relationship schematic diagram of knob of the invention, lead screw, seal, connecting rod, positioning disk.
Fig. 7 is that Fig. 2 is partial enlarged view at A.
Fig. 8 is the top cross-sectional view of Fig. 7.
Specific embodiment
A specific embodiment of the invention is described in further details below in conjunction with attached drawing.
It is provided by Fig. 1 to Fig. 8, the present invention includes cylinder type hollow shell 1；The upper surface of shell 1 is equipped with limbus
Ruler 2 has two baffles 3 up and down in shell 1, is equipped with the sleeve 4 coaxial with shell 1 between upper and lower two baffles 3, and upper and lower two
Baffle 3, the inner wall side of shell 1, sleeve 4 lateral wall constitute a closed chamber 5；The center of shell 1 is vertical through having
Lead screw 6, lead screw 6 is able to rotate and resets, and the lower end of lead screw 6 is placed in the inside of sleeve 4；Fixing sleeve is equipped with ratchet 7 on lead screw 6,
There is the pawl 8 of control ratchet 7 on shell 1；
It is set with positioning disk 9 on the lead screw 6 being located inside sleeve 4,6 rotational positioning disk 9 of lead screw can be along sleeve 4
Lower movement；The lower section of positioning disk 9 is connected with support plate 10 through multiple connecting rods；Support plate 10 is located at the lower section of 6 lower end of lead screw；Support
The lower end surface of disk 10 is equipped with cross seal 11；Cross opening 12 corresponding with seal 11 is offered on the bottom surface of shell 1；
Hingedly there are two symmetrical quadrangle box 13, the upper surface of box body 13 is equipped with absorption for 4 lower section of sleeve
Layer 14；Quadrangle box 13 can swing and be reset to horizontal state inwardly, and being equipped on the medial surface of each box body 13 can be along box body
13 flexible hollow expansion plates 15, there are multiple spray heads 16 communicated with inside it in the upper surface of expansion plate 15；Box body 13 and chamber 5
Between be connected with pipeline 17；After expansion plate 15 compresses, the liquid in chamber 5 can be on from spray head 16 to adsorption layer 14.
For more intelligent positioning, there are four photoelectric sensor 18, light for circumference uniform distribution on the upper surface of the shell 1
Electric transducer 18 controls buzzer through PLC control circuit；When four photoelectric sensors 18 are illuminated simultaneously, buzzer, which issues, to be rung
Sound；The direction of four photoelectric sensors 18 is corresponding with the cross at opening 12 simultaneously.
For the ease of the reset of rotating threaded shaft 6 and lead screw 6, the upper end of the lead screw 6 is equipped with knob 20, on lead screw 6
It is set with the first torsional spring 19；The pawl 8 for controlling the rotation of ratchet 7 simultaneously is pin shape, and the inner end of pin is the tooth form phase with ratchet 7
The wedge shape of cooperation；The pressure spring that pin can be made inwardly to reset is set on pin；The outer end of pin is placed in the outside of shell 1.
In order to preferably compress expansion plate 15, the connecting rod of left and right two that can be contacted with two expansion plates 15 in left and right
Lateral surface is equipped with groove 21；Groove 21 is uniformly multiple from top to bottom；The inner end of expansion plate 15 can be stuck in groove 21.
It is described after seal 11 declines in order to realize the compression of expansion plate 15, push box body 13 and expansion plate 15 to inclining
Oblique state directed downwardly.
In order to realize hydrojet, check valve 22 is installed, the inside of expansion plate 15 is equipped with multiple front and backs on the pipeline 17
The channel 23 being arranged successively, each channel 23 are communicated with a spray head 16；Wedge-shaped catch 24, block 24 are installed in channel 23
Inside is equipped with orbicule 25, and pressure spring is connected between orbicule 25 and the inner wall of expansion plate 15, and pressure spring makes orbicule 25 squeeze gear
Block 24 closes channel 23.
In order to realize the hinged of box body 13, installation is there are two bilateral symmetry in the shell 1 and front-rear direction places
Locating rod 26, the outer end of box body 13 are sleeved in locating rod 26, and the second torsional spring 27 is connected between locating rod 26 and box body 13.
It is moved on the skin for the ease of whole device, the lower circumference of the shell 1 is evenly equipped with multiple balls 28.
For the ease of addition setting-out medicament, setting-out medicament is placed in the inside of the chamber 5, pacifies on the side wall of shell 1
Equipped with the plug 29 communicated with chamber 5.
In order to reduce the friction fit between lead screw 6 and positioning disk 9, the inside fixing sleeve of the positioning disk 9 be equipped with
6 nut of lead screw that lead screw 6 cooperates, cooperates between 6 nut of lead screw and lead screw 6 through ball 28.
For the ease of absorption, the adsorption layer 14 uses sponge or cotton.
The medicament that draws lines is added to the inside of chamber 5 in use, be first turned on plug 29 by the present apparatus, and setting-out medicament is general
Using aldrich mixture.Knob 20 can be then rotated clockwise, makes knob 20 that lead screw 6 be driven to rotate, lead screw 6 rotates, meeting
Ratchet 7 is driven to be rotated, due to being equipped with the first torsional spring 19 between lead screw 6 and shell 1, the first torsional spring 19 can be turned round
Turn, simultaneously because pawl 8 is stuck on ratchet 7, therefore lead screw 6 will not rotate counterclockwise.
Lead screw 6 rotate after, at this time due to be between lead screw 6 and positioning disk 96 nut of lead screw connection type, position simultaneously
Disk 9 can only be moved up and down along sleeve 4；Cooperated by way of key and keyway between positioning disk 9 and the inner sidewall of sleeve 4.
Therefore after lead screw 6 rotates clockwise, positioning disk 9 can be moved up, while drive support plate 10 to also move up by connecting rod,
It move up the seal 11 positioned at 10 lower end surface of support plate also can, seal 11 moves up the inside that can be placed in shell 1.
Since two box bodys 13 in left and right are located at the lower section of sleeve 4, when seal 11 moves down, two boxes in left and right can be stirred
Body 13 rotates, and is similar to double door；Make the expansion plate 15 in box body 13 and box body 13 while in inclination state directed downwardly；Equally
After seal 11 moves up, at this time due to connecting rod be equipped with groove 21, the inner end of expansion plate 15 can be placed in groove 21
It is interior, after connecting rod is moved up with positioning disk 9, connecting rod can 13 counter-clockwise swing of box body with left side, (right side with left side
Symmetric relation is not repeating), during swing, since groove 21 rises, expansion plate 15 will receive extruding, and to
A left side is flexible, and when expansion plate 15 squeezes to the left, the medical fluid inside box body 13 is compressed, and check valve 22 is equipped on pipeline 17,
Therefore medical fluid can only be flowed out out of the right side of expansion plate 15 multiple pipelines 17, and orbicule 25 is pushed to move right, and finally from
(principle and most of pressing shower nozzle 16 to spray at this is consistent) is sprayed at spray head 16.
The medical fluid of ejection can be sprayed on adsorption layer 14, and after positioning disk 9 continues to move up and down, seal 11 can be finally placed in
The top of box body 13, the i.e. top of adsorption layer 14；It at this time can not be in rotation knob 20.
When needing to be marked, laser is projected using CT machine or other tools first at this time, then holds the device,
The present apparatus can also be operated with one-handed performance with both hands.After hand-held device, the ball 28 of bottom of device is placed on skin,
The position for then adjusting device, make the cross hairs of laser projection just with 0 ° on 1 upper surface dial of shell, 90 °, 180 °,
270 ° of four positions are corresponding, while four positions are also just corresponding with the cross opening 12 of bottom, therefore the cross of laser
It is all at this time corresponding with the cross of the cross of bottom opening 12 and seal 11.Since the upper surface of the present apparatus is equipped with four
A photoelectric sensor 18, therefore when the line of laser cross is radiated on four photoelectric sensors 18 simultaneously, with photoelectric sensor
18 corresponding buzzers can issue sound, and position is prompted to correspond to.
It after position corresponds to, keeps whole device motionless at this time, while pulling out pawl 8, ratchet 7 is no longer at this time
It is controlled, therefore lead screw 6 can rotate counterclockwise under the action of the first torsional spring 19；After lead screw 6 rotates counterclockwise, positioning disk 9
It can decline；And drive support plate 10 to decline by connecting rod, and after support plate 10 declines, the seal 11 on 10 lower end surface of support plate
Box body 13 can be squeezed, simultaneously because box body 13 has one layer of adsorption layer 14 above, and adsorption layer 14 had previously been adsorbed with setting-out
Medicament；Therefore for seal 11 during squeezing box body 13, seal 11 can be attached upper setting-out medicament.
After support plate 10 drives seal 11 to continue to move down, seal 11 will push box body 13 and separate, and make at box body 13
In inclination state directed downwardly；Then seal 11 can be stretched out by the cross opening 12 of 1 bottom of shell, and seal 11 is covered in skin
On skin.
Since whole process carries out under the driving of the first torsional spring 19, process speed is fast, can in couple of seconds
It completes, it will not bad student's deviation；After skin upper cover complete cross mark, whole device can be taken away；It can weigh again simultaneously
The step of before multiple, carry out label next time.
By the opening of housing bottom, when seal can be made to mark on the skin, cross marked price is left behind, will not be produced
The lines of other raw interference.
The present apparatus is changed tradition and is marked using detail pen；It is changed to the mode using seal 11, it, can be with by pressing
It is simple and quick, accurately on the skin by cross mark print；It is not straight that setting-out will not be generated, the case where two lines out of plumb；Simultaneously
Can effective surface skin it is wet and slippery caused by draw lines offset the case where；Entire seal decrease speed is suitable, will not be to human body
Discomfort is caused, while printing can also be quickly finished.
The present apparatus is by being arranged graduated scale 2 and photoelectric sensor 18 in the upper end of shell 1 as positioning action；Simultaneously
Be again 1 bottom of shell opening 12 it is corresponding with the position that upper end positions；By manually roll-shell 1, makes 1 upper end of shell and swash
After light is corresponding, 1 lower end of shell can naturally also correspond to automatically；Corresponding mode is simple, assists without complicated support frame, by curing
Operation can be completed in shield personnel's one hand.
The present apparatus uses remaining mobile seal 11 to realize the printing of label；Whole device does not need additional move simultaneously
Power and complicated precision instrument；It only needs using preceding rotation knob 20, after corresponding to well, pulls pawl 8, can realize
Semi-automatic label, it is simple and practical, quickly；Cooperate the swing of upper cartridge body 13 and the automatic spray of medicament simultaneously, can make
Seal 11 has been consistent setting-out medicament；The all complete displays of label each time made.
The present apparatus is easy to operate, clever structure, low in cost, easily manufactured, safely and effectively, substantially increases positioning setting-out
Portability and safety, improve speed and setting-out quality.
Claims (10)
1. tumor radiotherapy dedicated positioning device, including cylinder type hollow shell (1), which is characterized in that on the upper surface of shell (1)
There are two baffles (3) up and down equipped with limbus ruler (2), in shell (1), is equipped between upper and lower two baffles (3) and shell
(1) coaxial sleeve (4), upper and lower two baffles (3), the inner wall side of shell (1), sleeve (4) lateral wall constitute one it is close
The chamber (5) closed；The center of shell (1) is through having vertical lead screw (6), and lead screw (6) is able to rotate and resets, under lead screw (6)
End is placed in the inside of sleeve (4)；Fixing sleeve is equipped with ratchet (7) on lead screw (6), there is the pawl of control ratchet (7) on shell (1)
(8)；
Described being located on sleeve (4) internal lead screw (6) is set with positioning disk (9), and lead screw (6) rotational positioning disk (9) can edge
Sleeve (4) moves up and down；The lower section of positioning disk (9) is connected with support plate (10) through multiple connecting rods；Support plate (10) is located at lead screw
(6) lower section of lower end；The lower end surface of support plate (10) is equipped with cross seal (11)；Offered on the bottom surface of shell (1) with
The corresponding cross opening (12) of seal (11)；
Hingedly there are two symmetrical quadrangle box (13) below the sleeve (4), the upper surface of box body (13), which is equipped with, inhales
Attached layer (14)；Quadrangle box (13) can swing and be reset to horizontal state inwardly, be equipped on the medial surface of each box body (13)
The hollow expansion plate (15) that can be stretched along box body (13), there are multiple spray heads communicated with inside it in the upper surface of expansion plate (15)
(16)；Pipeline (17) are connected between box body (13) and chamber (5)；After expansion plate (15) compression, liquid in chamber (5) can be from
On spray head (16) to adsorption layer (14).
2. tumor radiotherapy dedicated positioning device according to claim 1, which is characterized in that the upper end of the shell (1)
There are four photoelectric sensor (18), photoelectric sensor (18) to control buzzer through PLC control circuit for circumference uniform distribution on face；When four
When photoelectric sensor (18) is illuminated simultaneously, buzzer issues sound；The direction of four photoelectric sensors (18) and opening simultaneously
(12) cross at is corresponding.
3. tumor radiotherapy dedicated positioning device according to claim 1, which is characterized in that the upper end of the lead screw (6)
It is equipped with knob (20), the first torsional spring (19) is set on lead screw (6)；The pawl (8) for controlling ratchet (7) rotation simultaneously is pin
Shape, the inner end of pin are the wedge shape matched with the tooth form of ratchet (7)；The pressure that pin can be made inwardly to reset is set on pin
Spring；The outer end of pin is placed in the outside of shell (1).
4. tumor radiotherapy dedicated positioning device according to claim 1, which is characterized in that described can stretch with controlling two
The lateral surface of two connecting rods in left and right of contracting plate (15) contact is equipped with groove (21)；Groove (21) is uniformly multiple from top to bottom；
The inner end of expansion plate (15) can be stuck in groove (21).
5. tumor radiotherapy dedicated positioning device according to claim 1, which is characterized in that described declines when seal (11)
Afterwards, push box body (13) and expansion plate (15) to tilting state directed downwardly.
6. tumor radiotherapy dedicated positioning device according to claim 1, which is characterized in that installed on the pipeline (17)
Have check valve (22), the inside of expansion plate (15) is equipped with the channel (23) that multiple front and backs are arranged successively, each channel (23) with
One spray head (16) communicates；It is equipped with wedge-shaped catch (24) in channel (23), is equipped with orbicule (25) on the inside of block (24), it is spherical
Pressure spring is connected between body (25) and the inner wall of expansion plate (15), pressure spring makes orbicule (25) to squeeze block (24), makes channel
(23) it closes.
7. tumor radiotherapy dedicated positioning device according to claim 1, which is characterized in that installation in the shell (1)
There are two bilateral symmetry and the locating rod (26) of front-rear direction placement, the outer end of box body (13) are sleeved on locating rod (26), fixed
The second torsional spring (27) are connected between position bar (26) and box body (13).
8. tumor radiotherapy dedicated positioning device according to claim 1, which is characterized in that the bottom of the shell (1)
It is evenly distributed in multiple balls (28).
9. tumor radiotherapy dedicated positioning device according to claim 1, which is characterized in that setting-out medicament is placed in described
The inside of chamber (5) is equipped with the plug (29) communicated with chamber (5) on the side wall of shell (1).
10. tumor radiotherapy dedicated positioning device according to claim 1, which is characterized in that the positioning disk (9) it is interior
Portion's fixing sleeve is equipped with lead screw (6) nut cooperated with lead screw (6), matches between lead screw (6) nut and lead screw (6) through ball (28)
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910588194.4A CN110251846B (en) | 2019-07-02 | 2019-07-02 | Special positioner of tumour radiotherapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910588194.4A CN110251846B (en) | 2019-07-02 | 2019-07-02 | Special positioner of tumour radiotherapy |
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| Publication Number | Publication Date |
|---|---|
| CN110251846A true CN110251846A (en) | 2019-09-20 |
| CN110251846B CN110251846B (en) | 2021-03-12 |
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ID=67923654
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910588194.4A Active CN110251846B (en) | 2019-07-02 | 2019-07-02 | Special positioner of tumour radiotherapy |
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| CN110251846B (en) | 2021-03-12 |
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