CN117339126B - Head fixing device for radiotherapy department - Google Patents
Head fixing device for radiotherapy department Download PDFInfo
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- CN117339126B CN117339126B CN202311658620.XA CN202311658620A CN117339126B CN 117339126 B CN117339126 B CN 117339126B CN 202311658620 A CN202311658620 A CN 202311658620A CN 117339126 B CN117339126 B CN 117339126B
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- baffle
- connecting arm
- baffle plate
- slide rail
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- 238000001959 radiotherapy Methods 0.000 title claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 claims abstract description 56
- 230000033001 locomotion Effects 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 3
- 238000003745 diagnosis Methods 0.000 abstract description 2
- 230000001755 vocal effect Effects 0.000 abstract 1
- 210000003128 head Anatomy 0.000 description 66
- 230000000694 effects Effects 0.000 description 11
- 210000004556 brain Anatomy 0.000 description 5
- 210000001202 rhombencephalon Anatomy 0.000 description 3
- 210000001061 forehead Anatomy 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 208000014829 head and neck neoplasm Diseases 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
-
- 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
- A61N2005/1092—Details
- A61N2005/1097—Means for immobilizing the patient
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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 invention provides a head fixing device for radiotherapy department, and relates to the technical field of surgical diagnosis and treatment equipment. Wherein, radiotherapy branch of academic or vocational study is with head fixing device includes: the rack is movably provided with a baffle and a connecting arm, and the baffle is positioned below the connecting arm; the baffle plate has a movement trend of reciprocating movement in the height direction, a bearing part is arranged on one surface of the baffle plate, and the bearing part is used for bearing the head when the baffle plate moves to a first preset displacement value; the connecting arm has a movement trend of horizontally moving towards the surface direction of the baffle plate with the bearing part, and one end of the connecting arm, which is away from the rack, is provided with an abutting part; when the bearing part bears the head, the connecting arm moves a second preset displacement value to enable the abutting part to abut against the head of the person. In the application, the abutting part and the bearing part can be subjected to displacement adjustment in the use process, so that the abutting part and the bearing part can still be abutted against the corresponding area of the head after the patient turns over.
Description
Technical Field
The invention relates to the technical field of surgical diagnosis and treatment equipment, in particular to a head fixing device for radiotherapy department.
Background
The head and neck anatomy structure is complicated and fine, therefore, the head and neck tumor treatment adopts accurate radiotherapy more, in the radiotherapy process, need fix a position patient's head, because there is pain when the treatment, the patient can unconsciously remove the head so can influence the effect of treatment, in the prior art, head fixing device independently sets up in the one end of sick bed, when the people lie in the sick bed, the head pillow of people in the bearing portion of head fixing device, head fixing device adopts cylinder drive back cushion to press at the forehead more, can also install the integrated configuration of cylinder and back cushion additional in the side of head even, further increase the head fixation effect.
In practical application, because the driving distance and the holding position of the headrest are fixed relative to the head of a person, after the person turns over, a phenomenon is easy to occur: the headrest which is tightly matched with the forehead has poor effect of tightly matching with the back brain spoon of a person, and even the phenomenon that the back brain spoon is not completely pressed by the headrest occurs. The root cause of this problem is that the shape of the face is different from that of the hindbrain scoop, and the feeding distance and position of the headrest are fixed, and cannot be adjusted at will in the height direction and the horizontal direction according to different brain shapes and then are abutted against the head.
Disclosure of Invention
The invention aims to provide a head fixing device for radiotherapy department, and aims to solve the technical problem that the head fixing device in the prior art cannot be closely matched with human brain after a person turns over.
In order to achieve the above object, the present invention provides a head fixing device for radiotherapy department, comprising:
the rack is movably provided with a baffle and a connecting arm, and the baffle is positioned below the connecting arm;
in the height direction, the baffle plate has a movement trend of reciprocating movement in a first displacement range value, a bearing part is arranged on one surface of the baffle plate, a plurality of different first preset displacement values are arranged in the first displacement range value, and when the baffle plate moves according to one of the first preset displacement values, the bearing part is used for bearing the head;
in the horizontal direction, the connecting arm has a movement trend of horizontally moving towards the surface direction of the baffle plate with the bearing part in a second displacement range value, one end of the connecting arm, which is away from the rack, is provided with an abutting part, and a plurality of different second preset displacement values are arranged in the second displacement range value; when the bearing part bears the head, the connecting arm is moved according to one of the second preset displacement values, and then the abutting part abuts against the head of the person;
and the locking mechanism is arranged on the frame, and is used for locking the baffle plate on the frame when the bearing part bears the head.
Optionally, two connecting arms are provided, the two connecting arms are arranged on the frame at intervals, and two ends of the abutting part are respectively connected with the two connecting arms.
Optionally, along the direction of motion of linking arm, the frame is equipped with first slide rail, first slide rail orientation the baffle deviates from a surface of bearing portion, first slide rail is movably to be equipped with the bottom plate, the bottom plate corresponds a surface of first slide rail is equipped with first slider, first slider connect in first slide rail, the linking arm is located the bottom plate deviates from a surface of first slide rail.
Optionally, the head fixation device further comprises a horizontal drive mechanism;
one surface of the bottom plate is provided with a detachable structure, the detachable structure is connected to the driving end of the horizontal driving mechanism, and the horizontal driving mechanism drives the bottom plate to reciprocate in the second displacement range value.
Optionally, the horizontal driving mechanism includes first motor, drive belt and driven pulley, first motor pass through the frame install in the frame, the spindle of first motor is equipped with the driving pulley, driven pulley pass through the wheel seat install in the frame, the drive belt winds to the driving pulley with driven pulley is closed ring structure, detachable construction connect in the partial structure of drive belt.
Optionally, along the motion direction of the baffle, the frame is provided with a second slide rail, the baffle is provided with a second slide block corresponding to the surface area of the second slide rail, and the second slide block is connected with the second slide rail.
Optionally, the frame includes the stand that two intervals set up, the second slide rail has two, two the second slide rail one-to-one is located the stand, the second slide rail orientation the baffle is equipped with the surface of supporting portion, the second slider is located the baffle is equipped with the surface of supporting portion.
Optionally, along the movement direction of the baffle, a rack is further arranged on one surface of the upright post provided with the second sliding rail;
the locking mechanism comprises a second motor and a transmission shaft, the second motor is installed on the baffle plate and deviates from the surface of the bearing portion, the baffle plate is further convexly provided with a bearing assembly on the surface of the bearing portion, the transmission shaft is rotatably arranged on the bearing assembly, first driven gears are arranged at two ends of the transmission shaft and meshed with the racks, a shaft body of the transmission shaft is provided with a second driven gear, a shaft of the second motor is provided with a driving gear, and the driving gear is meshed with the second driven gear.
Optionally, a through hole is formed in the surface of the supporting portion, and the through hole faces towards the neck of the person.
Optionally, two convex parts are formed on a surface of the abutting part facing the head part, and the surface of the convex part facing the head part is an inclined surface.
In practical application, this application can use with the sick bed combination among the prior art, specifically, can be according to the height of sick bed, upwards or the first displacement value of predetermineeing of downward control baffle removal earlier, and its aim at guarantees that the head can be supported by supporting portion when patient's face lies in the sick bed in the face up. After the head position is pre-fixed by the bearing part, the connecting arm is controlled to horizontally move by a second preset displacement value, so that the abutting part abuts against the surface of the head of a person, such as the area of the brain, and the head fixing function is realized. After the human body is changed, the baffle plate can be controlled to move upwards or downwards by a first preset displacement value according to the relative distance between the head and the abutting part, so that the head can be supported by the supporting part, the supporting part is used for pre-fixing the position of the head, and then the connecting arm is controlled to horizontally move by a second preset displacement value, so that the abutting part abuts against the head of the human body, such as the surface of a hindbrain spoon area, and the head fixing effect is achieved. It is worth reminding that the first preset displacement value generated by the upward face of the person is different from or the same as the first preset displacement value generated by the downward face of the person, and of course, the numerical value difference degree depends on the head shape difference of different people; similarly, the second preset displacement value generated by the upward face is different from or the same as the second preset displacement value generated by the downward face. Of course, when the device is used by persons of different body types, the second preset displacement value is different (i.e., the displacement distance between the connecting arm and the abutting portion is different) even if the first preset distance value is the same (i.e., the horizontal height of the supporting portion is the same when the device is used by persons of different body types). In the application, the abutting part and the bearing part can be subjected to displacement adjustment in the use process, so that the abutting part and the bearing part can still be abutted against the corresponding area of the head after the patient turns over.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of an embodiment of a head restraint for radiotherapy in accordance with the present invention;
FIG. 2 is a schematic perspective view of an embodiment of a head restraint for radiotherapy in accordance with the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B;
fig. 5 is a schematic view of a portion of the structure of fig. 1.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1 to 5, fig. 1 is a schematic perspective view illustrating an embodiment of a head fixing device for radiotherapy according to the present invention; FIG. 2 is a schematic perspective view of an embodiment of a head restraint for radiotherapy in accordance with the present invention; FIG. 3 is an enlarged schematic view of the structure of FIG. 2A; FIG. 4 is an enlarged schematic view of the structure of FIG. 2B; fig. 5 is a schematic view of a portion of the structure of fig. 1.
The invention provides a head fixing device for radiotherapy department, comprising: the device comprises a rack 1, wherein the rack 1 is movably provided with a baffle 11 and a connecting arm 12, and the baffle 11 is positioned below the connecting arm 12; in the height direction, the baffle 11 has a motion trend of reciprocating movement within a first displacement range, a bearing part 111 is arranged on one surface of the baffle 11, a plurality of different first preset displacement values are arranged within the first displacement range, and when the baffle 11 moves according to one of the first preset displacement values, the bearing part 111 is used for bearing the head; in the horizontal direction, the connecting arm 12 has a movement trend of horizontally moving towards the surface direction of the baffle 11 with the bearing part 111 within a second displacement range value, one end of the connecting arm 12, which is away from the frame 1, is provided with an abutting part 121, and a plurality of different second preset displacement values are arranged within the second displacement range value; when the supporting portion 111 supports the head, the connecting arm 12 moves according to one of the second preset displacement values, and then the abutting portion 121 abuts against the head of the person; and a locking mechanism 2, wherein the locking mechanism 2 is provided on the frame 1, and the locking mechanism 2 is used for locking the baffle 11 on the frame 1 when the supporting part 111 supports the head.
In practical application, the present application may be used in combination with a hospital bed (not shown in the drawings) in the prior art, specifically, the baffle 11 may be controlled to move upward or downward by a first preset displacement value according to the height of the hospital bed, which aims to ensure that the head can be supported by the supporting portion 111 when the patient lies on the hospital bed with his face facing upward, and of course, it is preferable that the supporting surface (the surface contacting the head) of the supporting portion 111 is flush with the supporting surface (the surface contacting the human body) of the hospital bed. After the head position is pre-fixed by the supporting part 111, the connecting arm 12 is controlled to horizontally move by a second preset displacement value, so that the abutting part 121 abuts against the surface of the head of the person, such as the area of the ventricle, and the function of fixing the head is achieved. In order to turn over the patient in situ from the lying state (without withdrawing the patient along the length direction of the sickbed and then placing the head on the supporting part 111), the abutting part 121 can be moved away from the head or the baffle plate 11 can be controlled to move downwards, so that the head of the patient is away from the abutting part 121, thus being convenient for turning over the patient in situ, the face of the patient lies down on the sickbed, of course, after the face of the patient faces the supporting part 111, the baffle plate 11 can be controlled to move upwards or downwards by a first preset displacement value according to the relative distance between the head and the abutting part 121 in the height direction, the head can be supported by the supporting part 111, the head position is pre-fixed by the supporting part 111, then the connecting arm 12 is controlled to horizontally move by a second preset displacement value, so that the abutting part 121 abuts against the head of the patient, such as the surface of the hindbrain area, and the effect of fixing the head is achieved. It is worth reminding that the first preset displacement value generated by the upward face of the person is different from or the same as the first preset displacement value generated by the downward face of the person, and of course, the numerical value difference degree depends on the head shape difference of different people; similarly, the second preset displacement value generated by the upward face is different from or the same as the second preset displacement value generated by the downward face, and the degree of the numerical difference is of course dependent on the difference of the head shapes of different people.
As described above, the supporting surface (the surface contacting the head) of the supporting portion 111 is preferably flush with the supporting surface (the surface contacting the human body) of the hospital bed, and of course, the second preset displacement value may be different even if the first preset displacement value is the same for people of different sizes (i.e. the horizontal height of the supporting portion 111 is the same for people of different sizes).
The utility model has the advantages of this application, when the people lie prone, through nimble high low position of adjusting supporting portion 111, can make the neck of people keep straight state, make the skin of neck expose completely, the radiotherapy equipment high efficiency of being convenient for acts on the neck, can not influence treatment effeciency and effect because of skin fold.
The crown can be abutted against the surface of the baffle 11 provided with the supporting part 111 to play a role in the predetermined positioning no matter when a person lies down or lies down, and of course, the structure arrangement plays a role in guiding and indicating the feeding distance of the connecting arm 12.
When the user adjusts the relative position between the abutting portion 121 and the supporting portion 111 according to the patient position, the user can adjust the relative position gradually by the judgment of the eyes, so that the abutting portion 121 effectively abuts against the head. Of course, the baffle 11 and the connecting arm 12 are also mechanically controllable to increase the automation degree of the present application, and of course, the present application also proposes a corresponding automation driving mechanism for the baffle 11 and the connecting arm 12, and the locking mechanism 2 is also formed in the automation driving mechanism, as described in detail below.
Preferably, the baffle 11 moves in a straight line in the height direction.
The structure is provided, so that the baffle 11 is conveniently arranged, the structural design is simplified, and the details are described below.
Preferably, the connecting arm 12 moves in a straight line in the horizontal direction.
This type of structural arrangement facilitates the deployment of the connecting arms 12, simplifying the structural design, as described in more detail below.
Further, the support part 111 may be provided with a headrest to increase comfort in use.
Referring to fig. 1 and 2, in this embodiment, there are two connecting arms 12, the two connecting arms 12 are disposed on the frame 1 at intervals, and two ends of the abutting portion 121 are respectively connected to the two connecting arms 12.
The structure is provided, the two connecting arms 12 can obviously increase the movement stability of the abutting part 121, and can also increase the pressure stability of the abutting part 121 to a human body. On the other hand, the radiotherapy equipment can pass through the gap between the two connecting arms 12 and act on the human body, so that the radiotherapy equipment has higher structural compactness.
Referring to fig. 1 and 2, in this embodiment, along the movement direction of the connecting arm 12, the frame 1 is provided with a first sliding rail 13, the first sliding rail 13 faces the baffle 11 and faces away from a surface of the supporting portion 111, the first sliding rail 13 is movably provided with a bottom plate 131, a surface of the bottom plate 131 corresponding to the first sliding rail 13 is provided with a first sliding block 1311, the first sliding block 1311 is connected to the first sliding rail 13, and the connecting arm 12 is disposed on a surface of the bottom plate 131 facing away from the first sliding rail 13.
The first sliding rail 13 faces to a surface of the baffle 11 facing away from the supporting portion 111, and is aimed at yielding a sickbed placement area and facilitating the patient to get on bed. Of course, the combination of the slider and the slide rail is used to achieve the movable connection of the connection arm 12 with the frame 1 and to increase the flexibility of movement of the connection arm 12.
Optionally, in this embodiment, the head fixing device further comprises a horizontal driving mechanism 3; a detachable structure 1312 is disposed on a surface of the bottom plate 131, the detachable structure 1312 is connected to the driving end of the horizontal driving mechanism 3, and the horizontal driving mechanism 3 drives the bottom plate 131 to reciprocate within the second displacement range.
The horizontal driving mechanism 3 drives the base plate 131 and the connecting arm 12 to horizontally move within the second displacement range value according to actual use requirements, so that the effect of effectively abutting and fixing the head is achieved. The purpose of the detachable structure 1312 is to facilitate the disassembly and replacement of the base plate 131 and the detachable structure 1312, and to increase the flexibility of use.
Referring to fig. 1 to 3, in this embodiment, the horizontal driving mechanism 3 includes a first motor 31, a driving belt 32 and a driven pulley 33, the first motor 31 is mounted on the frame 1 through a stand (not shown), a shaft (not shown) of the first motor 31 is provided with a driving pulley 311, the driven pulley 33 is mounted on the frame 1 through a wheel seat (not shown), the driving belt 32 is wound around the driving pulley 311 and the driven pulley 33 to form a closed ring structure, and the detachable structure 1312 is connected to a part of the driving belt 32.
The bottom plate 131 and the connecting arm 12 are driven to horizontally move by the driving belt 32 assembly, so that the connecting arm 12 is controlled in a stepwise manner, namely, the second displacement range value is determined by the drivable distance of the driving belt 32, and the starting and stopping of the driving belt 32 are flexibly controlled by a motor so as to obtain a plurality of different second preset displacement values. In practical applications, the first motor 31 may be a brushless motor, so as to increase the flexibility and accuracy of controlling the start and stop of the structure. The detachable structure 1312 may include a fixing portion (not shown) and a connecting portion (not shown), where the fixing portion is connected to the bottom plate 131, the connecting portion is connected to the fixing portion by a screw, a groove adapted to be connected to the tooth-shaped structure of the driving belt 32 is formed on the surface of the fixing portion, and after the connecting portion is connected to the fixing portion, a part of the structure of the driving belt 32 can be clamped between the fixing portion and the connecting portion.
Referring to fig. 1 and 2, in the present embodiment, along the moving direction of the baffle 11, the rack 1 is provided with a second slide rail 141, a second slider 112 is disposed in a surface area of the baffle 11 corresponding to the second slide rail 141, and the second slider 112 is connected to the second slide rail 141.
Of course, the combination of the slider and the slide rail is used to realize the movable connection of the baffle 11 and the frame 1, and increase the flexibility of movement of the baffle 11.
Referring to fig. 2 and 4, in the present embodiment, the frame 1 includes two columns 14 disposed at intervals, two second sliding rails 141 are disposed on the columns 14 in a one-to-one correspondence manner, the second sliding rails 141 face the surface of the baffle 11, on which the bearing portion 111 is disposed, and the second sliding block 112 is disposed on the surface of the baffle 11, on which the bearing portion 111 is disposed. In a further embodiment, along the movement direction of the baffle 11, a surface of the upright 14 provided with the second sliding rail 141 is further provided with a rack 142; the locking mechanism 2 comprises a second motor 21 and a transmission shaft 22, the second motor 21 is installed on the surface of the baffle 11, which is away from the bearing portion 111, is further provided with a bearing assembly 113 in a protruding mode, the transmission shaft 22 is rotatably arranged on the bearing assembly 113, both ends of the transmission shaft 22 are respectively provided with a first driven gear 221, the first driven gears 221 are in meshed connection with the rack 142, a shaft body of the transmission shaft 22 is provided with a second driven gear 222, a shaft of the second motor 21 is provided with a driving gear (not shown in the figure), and the driving gear is in meshed connection with the second driven gear 222.
The baffle 11 is driven to move through the combined structure of the motor, the transmission shaft 22 and the gear rack 142, so that the staged control of the movement of the baffle 11 is realized, namely, the first displacement range value can be determined by the height value of the rack 142 (the vertical guide of the rack 142), and the start and stop of the baffle 11 are flexibly controlled through the motor so as to obtain a plurality of different first preset displacement values. In practical applications, the second motor 21 may be a brushless motor, so as to increase the flexibility and accuracy of controlling the start and stop of the structure. Specifically, the shaft and the driving gear of the second motor 21 rotate forward, so that the second driven gear 222, the transmission shaft 22 and the first driven gear 221 can be driven to rotate reversely, to drive the baffle 11 to move vertically downwards, whereas the baffle 11 can be driven to move vertically upwards, and of course, the locking effect of the locking mechanism 2 is mainly formed by the motor stopping and the meshing effect of the first driven gear 221 and the rack 142, that is, the gears are meshed and connected with the rack 142 under the condition of no rotation under the motor stopping and the meshing effect, so that the baffle 11 can be prevented from moving randomly.
One surface of the baffle 11 provided with the bearing part 111 faces the sickbed, and the rack 142 and the slide rail on the upright post 14 for supporting the baffle 11 to move are away from the sickbed, so that the structural compactness and the aesthetic feeling are improved.
Referring to fig. 1, in this embodiment, a through hole 1111 is formed on the surface of the supporting portion 111, and the through hole 1111 faces the neck of the person.
The radiotherapy equipment can act on the neck from the lower part of the sickbed through the through hole 1111, so that the flexibility of radiotherapy use is improved. And when the person lies prone, the human nose can pass through the through hole 1111 and is not extruded, so that the use comfort is improved.
Referring to fig. 5, in this embodiment, two protrusions 1211 are formed on a surface of the abutment portion 121 facing the head, and the surface of the protrusions 1211 facing the head is a slope.
In practical applications, the protruding portion 1211 abuts against the head of the person, and the protruding portion 1211 may be made of soft material such as silica gel, so as to increase the adaptability to the head and comfort in use. The purpose of the two protruding parts 1211 arranged at intervals is that the gap between the two protruding parts 1211 can avoid the neck skin, so that the ventilation effect is improved.
Referring to fig. 5, in this embodiment, a groove (not shown) is formed on the surface of the connecting arm 12; a side surface of the connecting arm 12 facing the abutting portion 121 is provided with a connecting hole communicated with the groove, and a screw (not shown) connected with the abutting portion 121 is provided in the connecting hole.
The connecting arm 12 and the abutting part 121 can be connected through screws, the grooves can be convenient for installing screws, and the edges of the grooves can be convenient for a patient to grasp and lift.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. A head restraint for use in radiotherapy, comprising:
the rack is movably provided with a baffle and a connecting arm, and the baffle is positioned below the connecting arm;
in the height direction, the baffle plate has a movement trend of reciprocating movement in a first displacement range value, a bearing part is arranged on one surface of the baffle plate, a plurality of different first preset displacement values are arranged in the first displacement range value, and when the baffle plate moves according to one of the first preset displacement values, the bearing part is used for bearing the head;
in the horizontal direction, the connecting arm has a movement trend of horizontally moving towards the surface direction of the baffle plate with the bearing part in a second displacement range value, one end of the connecting arm, which is away from the rack, is provided with an abutting part, and a plurality of different second preset displacement values are arranged in the second displacement range value; when the bearing part bears the head, the connecting arm is moved according to one of the second preset displacement values, and then the abutting part abuts against the head of the person;
and the locking mechanism is arranged on the frame, and is used for locking the baffle plate on the frame when the bearing part bears the head.
2. The head fixing device for radiotherapy department according to claim 1, wherein two of the connecting arms are arranged at intervals on the frame, and two ends of the abutting portion are respectively connected with the two connecting arms.
3. The head fixing device for radiotherapy department according to claim 2, wherein along the movement direction of the connecting arm, the frame is provided with a first slide rail, the first slide rail faces towards the baffle plate and faces away from a surface of the bearing portion, the first slide rail is movably provided with a bottom plate, a first slide block is arranged on a surface of the bottom plate corresponding to the first slide rail, the first slide block is connected to the first slide rail, and the connecting arm is arranged on a surface of the bottom plate, which faces away from the first slide rail.
4. The radiotherapy head restraint of claim 3, further comprising a horizontal drive mechanism;
one surface of the bottom plate is provided with a detachable structure, the detachable structure is connected to the driving end of the horizontal driving mechanism, and the horizontal driving mechanism drives the bottom plate to reciprocate in the second displacement range value.
5. The head restraint for radiotherapy department according to claim 4, wherein the horizontal driving mechanism comprises a first motor, a driving belt and a driven belt wheel, the first motor is mounted on the frame through a stand, a shaft of the first motor is provided with a driving belt wheel, the driven belt wheel is mounted on the frame through a wheel seat, the driving belt wheel and the driven belt wheel are in a closed annular structure, and the detachable structure is connected to a part of the driving belt wheel.
6. The head fixation device for radiotherapy department according to claim 1, wherein along the movement direction of the baffle, the frame is provided with a second slide rail, the baffle is provided with a second slide block corresponding to the surface area of the second slide rail, and the second slide block is connected to the second slide rail.
7. The head fixation device for radiotherapy department according to claim 6, wherein the frame comprises two stand columns arranged at intervals, the two second slide rails are arranged on the stand columns in a one-to-one correspondence manner, the second slide rails face the surface of the baffle plate, the bearing portion is arranged on the surface of the baffle plate, and the second slide block is arranged on the surface of the bearing portion.
8. The head restraint for the radiology department of claim 7, wherein a surface of the upright post provided with the second slide rail is further provided with a rack along a movement direction of the baffle;
the locking mechanism comprises a second motor and a transmission shaft, the second motor is installed on the baffle plate and deviates from the surface of the bearing portion, the baffle plate is further convexly provided with a bearing assembly on the surface of the bearing portion, the transmission shaft is rotatably arranged on the bearing assembly, first driven gears are arranged at two ends of the transmission shaft and meshed with the racks, a shaft body of the transmission shaft is provided with a second driven gear, a shaft of the second motor is provided with a driving gear, and the driving gear is meshed with the second driven gear.
9. The head restraint for radiology department according to any one of claims 1 to 8, wherein a through hole is provided in a surface of the support portion, the through hole being directed toward a neck of a person.
10. The head fixation device for radiotherapy department according to any one of claims 1 to 8, wherein a surface of the abutment portion facing the head is formed with two convex portions provided at intervals, and a surface of the convex portion facing the head is a slope.
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| CN202311658620.XA CN117339126B (en) | 2023-12-06 | 2023-12-06 | Head fixing device for radiotherapy department |
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| CN202311658620.XA CN117339126B (en) | 2023-12-06 | 2023-12-06 | Head fixing device for radiotherapy department |
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| CN117339126B true CN117339126B (en) | 2024-02-23 |
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| CN117339126A (en) | 2024-01-05 |
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