CN214050223U

CN214050223U - Head fixing device for radiotherapy

Info

Publication number: CN214050223U
Application number: CN202022744057.6U
Authority: CN
Inventors: 王勇; 应申鹏; 吴波; 陈卫军; 徐计林; 韩建峰
Original assignee: Taizhou Central Hospital Taizhou University Hospital
Current assignee: Taizhou Central Hospital Taizhou University Hospital
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-27
Anticipated expiration: 2030-11-24

Abstract

The utility model provides a head fixing device for radiotherapy, which comprises a supporting rack, the first backup pad of one end fixedly connected with on support frame top, first backup pad one end fixedly connected with T template, the equal fixedly connected with in both sides that first backup pad top is located T template one end rotates the seat, two rotate between the seat and be connected with the second backup pad, the diaphragm top of T template is rotated and is connected with the height-adjusting plate, first backup pad one end fixedly connected with head adjustment mechanism is kept away from on second backup pad top, second backup pad bottom end fixedly connected with actuating mechanism, head adjustment mechanism both sides all are provided with fixture, two fixture respectively with actuating mechanism fixed connection, this scheme: the neck support of the patient is adjusted through the head adjusting mechanism, the head of the patient is rapidly clamped and fixed through the driving mechanism matched with the clamping mechanism, and the situation that the head of the patient moves in the radiotherapy process to cause the irradiation target area to shift is avoided.

Description

Head fixing device for radiotherapy

Technical Field

The utility model belongs to the technical field of radiotherapy equipment, concretely relates to head fixing device for radiotherapy.

Background

The popularization of accurate radiotherapy in the treatment of malignant tumors, the hospitalization experience and the side reaction of normal tissues during the treatment of patients are more and more emphasized, particularly, when the upper clavicle area on the same side of a breast cancer patient or other tumors are transferred to the upper clavicle area on one side and need to be subjected to radiotherapy, the head of the patient needs to rotate to a healthy side for a certain angle to protect the larynx and the adjacent normal tissues from being irradiated as much as possible, the head of the patient needs to rotate for a certain angle during the radiotherapy, then a hydrolytic thermoplastic film fixing technology is used or the patient is instructed to select a reference object to keep still, the tissue in a compression coverage area is tightly fixed after the film is contracted by using the hydrolytic thermoplastic film, the angle stability can be realized when the patient selects the reference object by physiological movement, no support is carried out on the head and the face, and the like, and the neck can not be effectively supported when the patient uses a general or common headrest due to the forward-protruding physiological curvature of the neck, the curvature of the neck is easily deformed, resulting in displacement of the irradiation target area, thereby affecting the therapeutic effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a head fixing device for radiotherapy, which aims to solve the problem that the deflection angle of the head of a patient is not accurate enough when the patient is in radiotherapy in the prior art; when the universal pillow is used, the neck of a patient cannot be effectively supported, and the problem that the irradiation target area is displaced is easily caused.

In order to achieve the above object, the utility model provides a following technical scheme: a head fixing device for radiotherapy comprises a support frame, wherein one end of the top end of the support frame is fixedly connected with a first support plate, one end of the first support plate is fixedly connected with a T-shaped plate, two sides of the top end of the first support plate, which is positioned at one end of the T-shaped plate, are fixedly connected with rotating seats, a second support plate is rotatably connected between the two rotating seats, strip-shaped holes are formed in two sides of the top end of the second support plate, the top end of a transverse plate of the T-shaped plate is rotatably connected with a height adjusting plate, the bottom end of the second support plate, which is positioned at one end of the height adjusting plate, is provided with a plurality of tooth sockets, one end of the top end of the second support plate, which is far away from the first support plate, is fixedly connected with a head adjusting mechanism, two clamping mechanisms are respectively and fixedly connected with a driving mechanism, the supporting frame is characterized in that a switch panel is fixedly connected to the top of one side of the supporting frame, and supporting legs are fixedly connected to four corners of the bottom end of the supporting frame.

In order to facilitate the adjustment of the neck lifting height of a patient, as a preferred aspect of the present invention, the head adjusting mechanism comprises a first adjusting plate fixedly connected to the top end of a second supporting plate, the top end of the first adjusting plate is hinged to a second adjusting plate, both sides of the bottom of one end of the first adjusting plate are fixedly connected to an arc adjusting block, the middle part of the arc adjusting block is provided with a first arc adjusting groove, both sides of the bottom of one end of the arc adjusting block, which are located on the second adjusting plate, are fixedly connected to first limit screws, both sides of the first limit screws respectively pass through the first arc adjusting grooves to be in threaded connection with a fastening nut, the top end of the second adjusting plate is fixedly connected to a fixing plate, the top end of the fixing plate is fixedly connected to a pillow for placing the head, both sides of the top end of the fixing plate, which are close to one end of the arc adjusting block, are fixedly connected to elastic bands, a support block for placing a chin is sewn between the two elastic belts.

In order to make cooperation fixture fix patient's head, conduct the utility model relates to an it is preferred, actuating mechanism includes driving motor, driving motor's connection foot and second backup pad bottom end fixed connection, driving motor's output shaft and driving gear fixed connection, two all rotate in the bar opening and be connected with the conveying track, two one side rotates jointly between the conveying track and is connected with the dwang, the dwang mid-mounting has driven gear, the driving gear is connected with driven gear meshing.

In order to fix the head of the patient, as a preferred mode of the present invention, the holding mechanism comprises a connecting block, the bottom end of the connecting block is fixedly connected with the top end of the conveying crawler belt, the top end of the connecting block is fixedly connected with a fan-shaped adjusting plate, a second arc-shaped adjusting groove is formed at the arc-shaped end of the fan-shaped adjusting plate, a rotating plate is rotatably connected to one side of the top end of the fan-shaped adjusting plate, which is far away from the second arc-shaped adjusting groove, one end of the rotating plate is in threaded connection with a second limiting screw which passes through the second arc-shaped adjusting groove, the top end of the rotating plate is fixedly connected with a slide rail, a slide block is connected in the slide rail in a sliding way, one side of the top end of the slide block is fixedly connected with an electric telescopic rod, the supporting rod is fixedly connected to the top end of a piston rod of the electric telescopic rod, the clamping plate is fixedly connected to one end of the supporting rod, and a third limiting screw is in threaded connection with the other side of the top end of the sliding block.

In order to have good comfort when making patient's head fixed, as the utility model relates to an it is preferred, two equal fixedly connected with sponge in the relative side of grip block.

In order to make accurate adjustment deflection angle, as the utility model relates to an it is preferred, the scale has all been seted up on fan-shaped regulating plate and arc regulating block surface.

In order to make this fixing device normally work, as the utility model relates to an it is preferred, flush mounting plate of switch and external power supply electric connection, driving motor and electric telescopic handle are respectively through driving motor control switch and electric telescopic handle control switch and external power supply electric connection on the flush mounting plate of switch.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the head adjusting mechanism is arranged, a patient lies on the top ends of the first supporting plate and the second supporting plate, the height of the upper body of the patient lying on the top end of the second supporting plate is adjusted by rotating the height adjusting plate and then clamping and connecting the movable end of the height adjusting plate with the tooth grooves formed in the bottom end of the second supporting plate, and the inclination angle of the second adjusting plate is adjusted by adjusting the height of the first limiting screw in the first arc-shaped adjusting groove, so that the neck support can be adjusted according to the neck curvature of the patient;

2) through being equipped with actuating mechanism cooperation fixture, conveying track drive connecting block horizontal slip in the bar trompil, thereby adjust the grip block to patient's head centre gripping angle through adjusting the position that second stop screw is located second arc adjustment tank, one side fixedly connected with sponge of grip block centre gripping patient's head for patient's head has better comfort level by the fixed in-process of centre gripping.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention;

fig. 3 is a schematic structural view of the pressing mechanism of the present invention;

fig. 4 is a schematic structural view of the unwinding mechanism of the present invention;

fig. 5 is the structural schematic diagram of the slitting mechanism of the present invention.

In the figure: 1. a support frame; 2. a first support plate; 3. a T-shaped plate; 4. a rotating seat; 5. a second support plate; 6. forming a strip-shaped hole; 7. a height adjustment plate; 8. a head adjusting mechanism; 81. a first adjusting plate; 82. a second adjusting plate; 83. an arc-shaped adjusting block; 84. a first arc-shaped adjusting groove; 85. fastening a nut; 86. a fixing plate; 87. a pillow pad; 88. an elastic band; 89. a support block; 9. a drive mechanism; 91. a drive motor; 92. a driving gear; 93. a conveying crawler; 94. rotating the rod; 95. a driven gear; 10. a clamping mechanism; 101. connecting blocks; 102. a sector adjusting plate; 103. a second arc-shaped adjusting groove; 104. a rotating plate; 105. a second limit screw; 106. a slide rail; 107. an electric telescopic rod; 108. a support bar; 109. a clamping plate; 11. a switch panel; 12. and (5) supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a head fixing device for radiotherapy comprises a support frame 1, wherein one end of the top end of the support frame 1 is fixedly connected with a first support plate 2, one end of the first support plate 2 is fixedly connected with a T-shaped plate 3, two sides of the top end of the first support plate 2, which is positioned at one end of the T-shaped plate 3, are fixedly connected with rotating seats 4, a second support plate 5 is rotatably connected between the two rotating seats 4, two sides of the top end of the second support plate 5 are respectively provided with a strip-shaped opening 6, the top end of a transverse plate of the T-shaped plate 3 is rotatably connected with a height adjusting plate 7, the bottom end of the second support plate 5, which is positioned at one end of the height adjusting plate 7, is provided with a plurality of tooth sockets, one end of the top end of the second support plate 5, which is far away from the first support plate 2, is fixedly connected with a head adjusting mechanism 8, the bottom end of the second support plate 5 is fixedly connected with a driving mechanism 9, two clamping mechanisms 10 are respectively and fixedly connected with the driving mechanism 9, the top fixedly connected with flush mounting plate of switch 11 in 1 one side of support frame, the equal fixedly connected with supporting leg 12 in four edges in 1 bottom of support frame.

Preferably, head adjustment mechanism 8 includes first regulating plate 81 on fixed connection 5 tops of second backup pad, first regulating plate 81 top articulates there is second regulating plate 82, the equal fixedly connected with arc regulating block 83 in bottom both sides of first regulating plate 81 one end, first arc adjustment tank 84 has been seted up at arc regulating block 83 middle part, second regulating plate 82 is located the equal fixedly connected with first stop screw in arc regulating block 83 one end bottom both sides, two first stop screw pass first arc adjustment tank 84 and fastening nut 85 threaded connection respectively, second regulating plate 82 top fixedly connected with fixed plate 86, fixed plate 86 top fixedly connected with is used for placing the bolster 87 of head, the equal fixedly connected with elasticity band 88 in both sides that fixed plate 86 top is close to arc regulating block 83 one end, it is used for placing the tray 89 of chin to sew up to be connected with between two elasticity bands 88.

When the device is used specifically, a patient lies on the top ends of the first supporting plate 2 and the second supporting plate 5, then the head of the patient is placed on the pillow 87, medical personnel can rotate and lift the movable end of the height adjusting plate 7 and clamp and connect with the tooth socket arranged at the bottom end of the second supporting plate 5, the position of the height adjusting plate 7 in the tooth socket is adjusted according to the condition of each patient, so that the lifting height of the upper body of the patient is adjusted, the medical personnel loosen the fastening nut 85 and lift the first limiting screw, so that the first limiting screw is lifted in the first arc-shaped adjusting groove 84 arranged on the arc-shaped adjusting block 83, then the inclination angle of the second adjusting plate 82 is adjusted, so that the pillow 87 is adjusted according to the neck curvature of the patient to support the neck of the patient, then the fastening nut 85 is screwed with the first limiting screw to fix the second adjusting plate 82, and then the elastic strap 88 is pulled, then will place the tray 89 in patient's chin department, the shrink through elasticity band 88 drives the tray 89 and fixes patient's chin, avoids the patient to carry out radiotherapy in-process chin removal to lead to the target area that shines of radiotherapy for, influence patient's radiotherapy effect, cooperate fixture 10 to fix patient's head through actuating mechanism 9, avoid the patient to lead to the normal tissue to be irradiated by the ray of radiotherapy at radiotherapy in-process head removal.

Preferably, actuating mechanism 9 includes driving motor 91, and driving motor 91's connection foot and 5 bottom fixed connection of second backup pad, driving motor 91's output shaft and driving gear 92 fixed connection all rotate in two bar trompils 6 and are connected with transmission track 93, and one side rotates jointly between two transmission track 93 is connected with dwang 94, and dwang 94 mid-mounting has driven gear 95, and driving gear 92 is connected with driven gear 95 meshing.

Preferably, fixture 10 includes connecting block 101, connecting block 101 bottom and conveying track 93 top fixed connection, connecting block 101 top fixedly connected with fan-shaped regulating plate 102, second arc adjustment tank 103 has been seted up to fan-shaped regulating plate 102's arc end, fan-shaped regulating plate 102 top is kept away from second arc adjustment tank 103 one side and is rotated and be connected with rotor plate 104, rotor plate 104 one end threaded connection has second stop screw 105, second stop screw 105 passes second arc adjustment tank 103 and sets up, rotor plate 104 top fixedly connected with slide rail 106, sliding connection has the slider in the slide rail 106, slider top one side fixedly connected with electric telescopic handle 107, electric telescopic handle's piston rod top fixedly connected with bracing piece 108, bracing piece 108 one end fixedly connected with grip block 109, slider top opposite side threaded connection has the third stop screw.

When the medical telescopic rod is used specifically, the driving gear 92 is driven to rotate through the rotation of the driving motor 91, the driven gear 95 meshed with the driving gear 92 is driven to rotate, the driven gear 95 is installed in the middle of the rotating rod 94, so that the driven gear 95 drives the rotating rod 94 to rotate, the conveying crawler 93 rotates along with the rotation of the rotating rod 94, then the connecting block 101 fixedly connected to the top end of the conveying crawler 93 is driven to slide in the strip-shaped opening 6, medical personnel adjust the offset angle of the clamping plate 109 by adjusting the position of the second limiting screw 105 in the second arc-shaped adjusting groove 103, then the medical personnel fix the rotating plate 104 and the fan-shaped adjusting plate 102 by screwing the second limiting screw 105, loosen the third limiting screw, then adjust the sliding block to be located at the position of the sliding rail 106, then fix the sliding block by screwing the third limiting screw, and adjust the telescopic height of the electric telescopic rod 107, thereby make two grip blocks 109 carry out accurate centre gripping to the patient head and fix, thereby avoid the patient head in radiotherapy process to remove and lead to shining the target area and take place to squint.

Preferably, a sponge is fixedly connected in the opposite sides of the two clamping plates 109.

During the specific use, one side fixedly connected with sponge of the fixed patient head of two grip blocks 109 centre gripping for when carrying out the centre gripping to patient's head fixedly, the patient has better comfort level.

Preferably, the surfaces of the fan-shaped adjusting plate 102 and the arc-shaped adjusting block 83 are provided with scales.

During specific use, the scales arranged on the surfaces of the fan-shaped adjusting plate 102 and the arc-shaped adjusting block 83 enable medical staff to more accurately adjust the inclination angle of the neck support of the patient and the head offset angle of the patient.

Preferably, the switch panel 11 is electrically connected to an external power source, and the driving motor 91 and the electric telescopic rod 107 are electrically connected to the external power source through a driving motor control switch and an electric telescopic rod control switch on the switch panel 11, respectively.

During specific use, medical personnel pass through driving motor control switch and electric telescopic handle control switch on the control switch panel 11 for driving motor 91 drives conveying track 93 and drives connecting block 101 and remove, makes fixture 10 can carry out the centre gripping to the patient of different neck length fixed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a head fixing device for radiotherapy, includes support frame (1), its characterized in that: one end of the top end of the support frame (1) is fixedly connected with a first support plate (2), one end of the first support plate (2) is fixedly connected with a T-shaped plate (3), two sides of the top end of the first support plate (2) at one end of the T-shaped plate (3) are fixedly connected with rotating seats (4), a second support plate (5) is rotatably connected between the two rotating seats (4), strip-shaped holes (6) are respectively formed in two sides of the top end of the second support plate (5), a height adjusting plate (7) is rotatably connected to the top end of a transverse plate of the T-shaped plate (3), a plurality of tooth sockets are formed in one end of the bottom end of the second support plate (5) at the height adjusting plate (7), a head adjusting mechanism (8) is fixedly connected to one end of the second support plate (5) far away from the first support plate (2), and, head adjustment mechanism (8) both sides all are provided with fixture (10), two fixture (10) respectively with actuating mechanism (9) fixed connection, support frame (1) one side top fixedly connected with flush mounting plate of switch (11), equal fixedly connected with supporting leg (12) in four edges of support frame (1) bottom.

2. A head fixation device for radiotherapy according to claim 1, wherein: the head adjusting mechanism (8) comprises a first adjusting plate (81) fixedly connected to the top end of a second supporting plate (5), a second adjusting plate (82) is hinged to the top end of the first adjusting plate (81), arc adjusting blocks (83) are fixedly connected to two sides of the bottom of one end of the first adjusting plate (81), a first arc adjusting groove (84) is formed in the middle of each arc adjusting block (83), the second adjusting plate (82) is located on two sides of the bottom of one end of each arc adjusting block (83), two first limiting screws respectively penetrate through the first arc adjusting grooves (84) to be in threaded connection with fastening nuts (85), a fixing plate (86) is fixedly connected to the top end of the second adjusting plate (82), a pillow cushion (87) used for placing the head is fixedly connected to the top end of the fixing plate (86), an elastic band (88) is fixedly connected to two sides of one end, close to one end of each arc adjusting block (83), of the top end of the fixing plate (86), a support block (89) for placing a chin is sewn between the two elastic belts (88).

3. A head fixation device for radiotherapy according to claim 1, wherein: actuating mechanism (9) include driving motor (91), the connection foot and second backup pad (5) bottom fixed connection of driving motor (91), the output shaft and driving gear (92) fixed connection of driving motor (91), two all rotate in bar trompil (6) and be connected with conveying track (93), two one side rotates jointly between conveying track (93) and is connected with dwang (94), dwang (94) mid-mounting has driven gear (95), driving gear (92) are connected with driven gear (95) meshing.

4. A head fixation device for radiotherapy according to claim 3, wherein: the clamping mechanism (10) comprises a connecting block (101), the bottom end of the connecting block (101) is fixedly connected with the top end of the conveying crawler (93), a fan-shaped adjusting plate (102) is fixedly connected to the top end of the connecting block (101), a second arc-shaped adjusting groove (103) is formed in the arc-shaped end of the fan-shaped adjusting plate (102), one side, away from the second arc-shaped adjusting groove (103), of the top end of the fan-shaped adjusting plate (102) is rotatably connected with a rotating plate (104), one end of the rotating plate (104) is in threaded connection with a second limiting screw (105), the second limiting screw (105) penetrates through the second arc-shaped adjusting groove (103) to be arranged, the top end of the rotating plate (104) is fixedly connected with a sliding rail (106), a sliding block is in the sliding rail (106), an electric telescopic rod (107) is fixedly connected to one side of the top end of the sliding block, and a supporting rod (108) is fixedly connected to the top end of the piston rod of the electric telescopic rod (107), one end of the supporting rod (108) is fixedly connected with a clamping plate (109), and the other side of the top end of the sliding block is in threaded connection with a third limiting screw.

5. The head holder for radiotherapy according to claim 4, wherein: sponges are fixedly connected into the opposite sides of the two clamping plates (109).

6. The head holder for radiotherapy according to claim 4, wherein: scales are arranged on the surfaces of the fan-shaped adjusting plate (102) and the arc-shaped adjusting block (83).

7. The head holder for radiotherapy according to claim 4, wherein: switch panel (11) and external power supply electric connection, driving motor (91) and electric telescopic handle (107) are respectively through driving motor control switch and electric telescopic handle control switch and external power supply electric connection on switch panel (11).