CN113069692B - Vacuum pad combined thermoplastic membrane fixing device for breast tumor radiotherapy - Google Patents
Vacuum pad combined thermoplastic membrane fixing device for breast tumor radiotherapy Download PDFInfo
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- CN113069692B CN113069692B CN202110287157.7A CN202110287157A CN113069692B CN 113069692 B CN113069692 B CN 113069692B CN 202110287157 A CN202110287157 A CN 202110287157A CN 113069692 B CN113069692 B CN 113069692B
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- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
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Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to a vacuum pad and thermoplastic film combined fixing device for breast tumor radiotherapy, which comprises a fixing mechanism, an adjusting mechanism, a vacuum pad and a thermoplastic film; according to the invention, the holding part is provided for the patient by arranging the holding rod and the first sliding groove, so that the patient can open the chest cavity conveniently, the positioning precision of the completely unfolded chest cavity can be obviously improved, meanwhile, the vacuum pad and the thermoplastic body film are connected through the fixing plate, so that the thermoplastic body film and the vacuum pad are positioned, and then the neck pillow and the positioning plate on the fixing plate are utilized to provide an auxiliary positioning function for the thermoplastic body film and the vacuum pad, so that the fitting effect of the thermoplastic body film and the vacuum pad and the body of the patient can be effectively enhanced, the vacuum pad and the thermoplastic body film can be more conveniently and rapidly fitted when being reused, and the use convenience of the vacuum pad and the thermoplastic body film can be effectively enhanced.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a vacuum pad and thermoplastic film combined fixing device for breast tumor radiotherapy.
Background
In the prior art, tumor radiotherapy is a longer process, a patient needs to carry out repeated positioning treatment for many times, a body position fixing technology is a key factor for ensuring the accuracy of radiotherapy, particularly, the body position of a patient with a breast and abdomen tumor is influenced by multiple factors, and the selection of a proper fixing technology is particularly important; the body position is fixed by adopting a simple body membrane, the skin on the back of a patient cannot be fully contacted with the bottom plate of the fixed body membrane, the body of the patient can be rotated while the body membrane is buckled, and the left and right positioning errors are large; however, in the prior art, the matching and use of the vacuum pad and the thermoplastic film are performed separately from each other, and the matching and fixing effects of the vacuum pad and the thermoplastic film cannot be fully exerted effectively.
A thorax radiotherapy that chinese patent issued combines thermoplastic membrane fixing device with vacuum pad, application number: CN2019101306229 comprises a fixed bottom plate, a vacuum pad and a thermoplastic film, wherein a rectangular through hole is formed in the center of the fixed bottom plate, organic glass strips are longitudinally arranged in the middle of the front end and the rear end of the fixed bottom plate, a movable buckle, a scale and a sliding groove are formed in the fixed bottom plate, and the movable buckle is clamped on the sliding groove; the vacuum pad is provided with an inflation inlet, a sealing cover is movably arranged on the inflation inlet, and the vacuum pad is used for being laid on the fixed bottom plate to fix the body position of the radiotherapy patient; the thermoplastic film is provided with a connecting plate, the connecting plate is provided with a fixed clamping hole, and the thermoplastic film is connected with the movable buckle through the connecting plate; according to the invention, the vacuum pad and the thermoplastic film are connected by using the movable buckle, and since the arm lamp which is not positioned by the patient cannot be controlled in the positioning process, the error of the patient caused by the self-posture adjustment of the patient in the repetitive operation process is increased, and the positioning accuracy is lower.
In view of the above, the present invention provides a vacuum pad and thermoplastic film combined fixing device for breast tumor radiotherapy to solve the above technical problems.
Disclosure of Invention
The invention provides a vacuum pad and thermoplastic film combined fixing device for breast tumor radiotherapy, which aims to make up the defects of the prior art and solve the problems that in the prior art, the matching and use of a vacuum pad and a thermoplastic film are operated separately at intervals, the matching and fixing effect of the vacuum pad and the thermoplastic film cannot be effectively and completely exerted, and errors are caused by variable postures of a patient.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a vacuum pad and thermoplastic film combined fixing device for breast tumor radiotherapy, which comprises a fixing mechanism, an adjusting mechanism, a vacuum pad and a thermoplastic film;
the fixing mechanism comprises a fixing plate, a neck pillow and a holding rod; the fixed plate is a rectangular plate-shaped structural body; the bottom of the fixed plate is provided with a mounting groove; the length direction of the mounting groove penetrates through the fixing plate; the mounting groove is used for placing a vacuum pad; the surface of the fixed plate is provided with a conduction groove; the conduction groove penetrates through the fixing plate and extends into the mounting groove; one end of the conduction groove in the length direction is open, and the other end of the conduction groove is designed in a step shape; one side of the fixed plate, which is close to the conduction groove, is fixedly connected with a supporting rod; the supporting rods are designed in a plurality of parallel ways; the supporting rods are all in arc design and extend to the upper space of the conduction groove; the neck pillow is arranged above the conduction groove and is fixedly connected with the fixed plate through the supporting rod; the neck pillow is a rectangular structure body with an arc-shaped groove on the upper surface; a headrest is fixedly connected to one side of the fixing plate, which is close to the neck pillow, and is used for supporting the head of a patient; the fixing plate is positioned on two sides of the headrest and is provided with first sliding chutes which are symmetrically designed; the holding rod is connected with the surface of the fixing plate in a sliding manner through a first sliding chute; one end of the holding rod, which is positioned in the first sliding chute, is elastically connected with one side of the first sliding chute, which is far away from the conduction groove, through a spring; one end of the holding rod, far away from the first sliding chute, is designed in an arc shape, and the surface of the holding rod is sleeved with a rubber sleeve, so that a patient can conveniently grasp the holding rod manually;
the adjusting mechanism comprises a positioning plate, a connecting plate and a connecting buckle; a second sliding groove is formed in one side, away from the headrest, of the neck pillow; a sliding rod is connected in the second sliding groove in a sliding manner; the sliding rod extends out of the second sliding groove, and one end of the sliding rod, which is positioned outside the second sliding groove, is fixedly connected with a positioning plate; one end of the sliding rod, which is positioned in the second sliding groove, is elastically connected with the second sliding groove through a spring; connecting grooves are formed in the two sides of the conducting groove of the fixing plate; a connecting plate is connected in the connecting groove in a sliding manner; the upper end of the connecting plate extends out of the connecting groove; the connecting plate is fixedly connected with the positioning plate through a guide rod; the connecting plate is provided with connecting holes which are uniformly distributed; the length of the connecting plate is consistent with the width of the thermoplastic film; the thermoplastic film is fixedly connected with a connecting buckle for connecting with a connecting plate;
in the prior art, tumor radiotherapy is a longer process, a patient needs to carry out repeated positioning treatment for many times, a body position fixing technology is a key factor for ensuring the accuracy of radiotherapy, particularly, the body position of a patient with a breast and abdomen tumor is influenced by multiple factors, and the selection of a proper fixing technology is particularly important; the body position is fixed by adopting a simple body membrane, the skin on the back of a patient cannot be fully contacted with the bottom plate of the fixed body membrane, the body of the patient can be rotated while the body membrane is buckled, and the left and right positioning errors are large; the vacuum pad and the thermoplastic film are adopted to fix the patient, soft tissues on the back and two sides of the body of the patient can be in full contact with the vacuum pad without moving, the upper limbs, the head and the lower limbs are properly supported and fixed, the posture is kept unchanged in the irradiation process, not only are surrounding normal tissues and organs protected, but also the dosage of a target area is further improved, the dosage of the surrounding normal tissues is obviously reduced, and a good effect of radiotherapy is achieved, so the vacuum pad and the thermoplastic film are worthy of popularization and application in clinic, but the matching and use of the vacuum pad and the thermoplastic film in the prior art are operated separately at intervals, and the matching and fixing effect of the vacuum pad and the thermoplastic film cannot be effectively and completely exerted;
when the invention works, the vacuum cushion for breast tumor radiotherapy and the thermoplastic film fixing device are combined to be placed on a treatment bed, the vacuum cushion is placed in the mounting groove, a patient naturally lies in the conduction groove on the fixing plate, the neck and the head are respectively placed on the neck pillow and the headrest, the patient lifts the two hands and grips the rubber sleeves on the holding rods, the two arms naturally open outwards, the two arms press the positioning plate in the opening process of the two arms, so that the positioning plate pushes the sliding rod to slide in the second sliding groove, the positioning plate is fixedly connected with the connecting plate through the guide rod, the connecting plate is driven to move in the connection groove in the moving process of the positioning plate, the connecting plate is aligned with the shoulder edge of the patient, and the vacuum cushion is connected with the vacuum machine, vacuumizing the vacuum pad, further reducing the thickness of the vacuum pad, extruding the vacuum pad by the fixed plate and a patient, forming a groove matched with the fixed plate and the patient on the vacuum pad, simultaneously placing a thermoplastic film in hot water at 70 ℃ for soaking and softening, fixedly connecting one end of the thermoplastic film with the connecting plate through a connecting buckle, flatly paving the thermoplastic film on the chest of the patient, connecting the other end of the thermoplastic film with the connecting plate after the thermoplastic film is attached to the chest of the patient, completing the curing of the vacuum pad and the thermoplastic film after the thermoplastic film is completely cured, positioning and marking the treatment position of the thermoplastic film and the vacuum pad by adopting light, separating the vacuum pad and the thermoplastic film from the fixed plate, providing a holding part for the patient by arranging a holding rod and a first chute, further facilitating the patient to open the chest, obviously improving the positioning precision of the completely unfolded chest, and simultaneously connecting the vacuum pad and the thermoplastic film through the fixed plate, and then fix a position thermoplastic body membrane and vacuum pad, then utilize neck pillow and locating plate on the fixed plate to provide the assistance-localization real-time effect to thermoplastic body membrane and vacuum pad, can effectual reinforcing thermoplastic body membrane and vacuum pad and the laminating effect of patient's health, make vacuum pad and the thermoplastic body membrane of making can be more convenient, swift when reusing laminate, and then the use convenience of effectual reinforcing vacuum pad and thermoplastic body membrane.
Preferably, the sliding rod is contracted in the second sliding groove under the action of a spring in an initial state; an expansion bag is fixedly connected between the second sliding chute and the sliding rod; the inner part of the arc-shaped groove on the upper surface of the neck pillow is fixedly connected with a squeezing bag; the extrusion bag and the expansion bag are communicated;
when in work, the inflatable bag and the pressing bag are arranged, when the neck of a patient presses on the neck pillow, the pressing bag transmits the gas inside to the inflatable bag under the pressure action, thereby extending the expansion bag, pushing the sliding rod to move outwards the second sliding chute, further attaching the positioning plate to the shoulders of the patient, because the length of the neck of the patient is different, the positioning plate which automatically extends outwards is attached to the patient, compared with the method that the patient moves on the vacuum pad by oneself to attach, the difficulty of positioning the patient can be effectively reduced, simultaneously initial state contracts down, the locating plate of laminating on the neck pillow compares in the locating plate that stretches out, can also effectually avoid forming the hindrance to the patient at the in-process that the patient lies down, thereby the side causes uncomfortable sense to the patient and still can make the locating plate atress produce deformation easily simultaneously, leads to the location effect of device to reduce.
Preferably, the fixing plates are positioned on two sides of the headrest and are fixedly connected with symmetrically designed positioning blocks; an elastic groove is formed in the upper surface of the positioning block; a hooking plate is inserted in the elastic groove; the hooking plates are all designed in an inverted J shape; one end of the hooking plate, which is positioned in the elastic groove, is fixedly connected with the bottom of the elastic groove through an elastic belt; limiting rods are fixedly connected to the edges of the two sides of the fixing plate corresponding to the positioning blocks; the limiting rod is used for being connected with the hooking plate;
during operation, collude even board and gag lever post through the setting, lie when the patient is flat, both hands are after tightly holding the holding rod, link the board through colluding of accomodating in the elastic groove under with initial condition and take out, and draw and stretch outward, the elastic band that makes collude even board rear end articulates on the limiting plate after hugging closely patient's arm, and then utilize the elasticity of elastic band to carry out the downward constraint with patient's both arms, effectual supplementary patient outwards opens both arms, and then make the thorax expansion, the reinforcing is to the accurate location of chest, simultaneously compare in patient opens both arms by oneself, use the elastic band to retrain the stability that can effectual reinforcing patient's limbs, avoid in the location, the in-process patient arm shake of mark, and then lead to chest skin to pile up, and then lead to positioning accuracy to reduce.
Preferably, the fixed plate is fixedly connected with a bearing pad between the limiting rod and the positioning block; the bearing pad is made of elastic rubber material; the upper surface of the bearing pad is inclined, and the inclined directions of the upper surface and the lower surface of the bearing pad face the positioning block;
the during operation, through setting up the bearing pad, use the elastic band to tie patient's both arms, and then when opening patient's thorax, the bearing pad is located patient arm below, for patient's arm provides the support, the setting for of bearing pad upper surface slope simultaneously is convenient for contact with patient's arm, and then effectually provides the strong point for patient's arm, reduces the burden that patient's arm was when being in the state of opening for a long time to the muscle to the reinforcing patient is at the fixed in-process comfort of position.
Preferably, the two sides of the fixing plate, which are positioned in the mounting groove, are both provided with lifting grooves; lifting plates are connected in the lifting grooves in a sliding manner; the lower surfaces of the lifting plates are fixedly connected with sliding wheels which are uniformly distributed; the upper surface of the lifting plate is hinged with a lifting rod; the middle part of the lifting rod is hinged with a supporting rod; pulleys are hinged to one end, away from the lifting plate, of the lifting rod and to two ends of the supporting rod; a lead screw is rotationally connected in the lifting groove; the lead screw is rotatably connected with a sliding block; the sliding block is fixedly connected with one side of the supporting rod, which is close to the lifting plate, through a guide rod; the screw penetrates through the fixed plate and is fixedly connected with a rotating disc at one end of the outer side of the fixed plate;
when the vacuum pad is in work, because the thickness of the vacuum pad which is not pumped to a vacuum state is higher, and the fixed plate is required to be pressed on the vacuum pad to form a groove matched with the vacuum pad during vacuum pumping, the lifting groove and the lifting plate are arranged, the rotating disc is rotated to further rotate the screw rod in an initial state, so that the sliding block on the screw rod slides, and thrust is further formed on the supporting rod, the angle of the supporting rod is changed, the supporting rod is hinged with the lifting rod, so that the X structure formed by the supporting rod and the lifting rod is raised, the lifting plate and the sliding wheel are further pushed to move towards the outer direction of the lifting groove, the fixed plate is further raised relative to the treatment bed, a gap between the mounting groove on the upwardly raised fixed plate and the treatment bed surface is enlarged, and the vacuum pad is convenient to mount, and when the vacuum pad is mounted, the rotating disc is reset, so that the fixed plate is pressed on the vacuum pad, when the vacuum pumping is performed for positioning, the gravity of the fixing plate can be utilized to compress the vacuum pad, so that the subsequent accurate positioning of the vacuum pad and the fixing plate is facilitated.
Preferably, the fixing plate is provided with accommodating grooves at two sides of the conduction groove; the containing grooves are all rotatably connected with a tightening shaft through guide rods; the two tightening shafts are wound with elastic nets together; the elastic net is formed by weaving carbon fiber yarns with smooth surfaces, high strength and strong flexibility; a first through groove is formed between the accommodating groove and the lifting groove; the screw rod and the tightening shaft are fixedly connected with gears, and the two gears are connected through a belt; the rotation directions of the lead screws positioned at the two sides of the conduction groove are opposite;
the during operation, through setting up elastic net and tightening shaft, when rotating the rolling disc, the rotation of lead screw drives tightening shaft and rotates, the left and right sides tightening shaft is reverse to be tightened up, and then make two tightening shaft go up common winding elastic net and tighten, when there is great difference in the position at the vacuum pad of patient, can be through rotating the rolling disc, utilize the elasticity net that tightens up to take up the patient when making the fixed plate rise, simultaneously after confirming the position, through resetting the rolling disc, the elastic net is stretched, comparatively soft under the effect of people's weight, frivolous elastic net can not form the hindrance to the location of patient with the vacuum pad.
The invention has the following beneficial effects:
1. according to the vacuum pad and thermoplastic film combined fixing device for thoracic tumor radiotherapy, the holding part is provided for a patient by arranging the holding rod and the first sliding groove, so that the patient can open the thoracic cavity conveniently, the positioning precision can be obviously improved when the thoracic cavity is completely unfolded, meanwhile, the vacuum pad and the thermoplastic film are connected through the fixing plate, the thermoplastic film and the vacuum pad are positioned, and then the neck pillow and the positioning plate on the fixing plate are utilized to provide an auxiliary positioning effect for the thermoplastic film and the vacuum pad, so that the fitting effect of the thermoplastic film and the vacuum pad and the body of the patient can be effectively enhanced, the manufactured vacuum pad and the thermoplastic film can be more conveniently and quickly fitted when being reused, and the use convenience of the vacuum pad and the thermoplastic film is effectively enhanced.
2. According to the vacuum pad combined thermoplastic membrane fixing device for breast tumor radiotherapy, the hooking plate and the limiting rod are arranged, when a patient lies down, the holding rod is tightly held by two hands, the hooking plate which is initially accommodated in the elastic groove is taken out and pulled outwards to stretch, the elastic belt at the rear end of the hooking plate is tightly attached to the arm of the patient and then hung on the limiting plate, the two arms of the patient are restrained downwards by the aid of elasticity of the elastic belt, the patient is effectively assisted in stretching the two arms outwards to expand the thoracic cavity and enhance accurate positioning of the chest, meanwhile, compared with the situation that the patient stretches the two arms by itself, stability of the limb of the patient can be effectively enhanced by restraining the elastic belt, arm shaking of the patient in the positioning and marking processes is avoided, and accordingly chest skin stacking is caused, and positioning accuracy is reduced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a partial block diagram of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view of the neck pillow;
in the figure: the device comprises a fixing plate 1, a mounting groove 11, a conduction groove 12, a connecting rod 13, a neck pillow 14, a headrest 15, a first sliding groove 16, a holding rod 17, a second sliding groove 2, a sliding rod 21, a positioning plate 22, a connecting groove 23, a connecting plate 24, an expansion bag 25, an extrusion bag 26, a positioning block 3, an elastic groove 31, a hooking plate 32, a limiting rod 33, a bearing pad 34, a lifting groove 4, a lifting plate 41, a sliding wheel 42, a lifting rod 43, a supporting rod 44, a screw rod 45, a sliding block 46, a rotating disc 47, a storage groove 5, a tightening shaft 51, an elastic net 52 and a first through groove 53.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the vacuum pad and thermoplastic film combined fixing device for thoracic tumor radiotherapy in the invention comprises a fixing mechanism, a regulating mechanism, a vacuum pad and a thermoplastic film;
the fixing mechanism comprises a fixing plate 1, a neck pillow 14 and a holding rod 17; the fixed plate 1 is a rectangular plate-shaped structure; the bottom of the fixed plate 1 is provided with a mounting groove 11; the mounting groove 11 penetrates through the fixing plate 1 in the length direction; the mounting groove 11 is used for placing a vacuum pad; a conduction groove 12 is formed in the surface of the fixing plate 1; the conduction groove 12 penetrates through the fixing plate 1 and extends into the mounting groove 11; one end of the conduction groove 12 in the length direction is open, and the other end is designed in a step shape; one side of the fixed plate 1 close to the conduction groove 12 is fixedly connected with a connecting rod 13; the connecting rods 13 are designed in a plurality and parallel to each other; the connecting rods 13 are all designed in an arc shape, and the connecting rods 13 all extend to the upper space of the conduction groove 12; the neck pillow 14 is arranged above the conduction groove 12 and is fixedly connected with the fixed plate 1 through a connecting rod 13; the neck pillow 14 is a rectangular structure body with an arc-shaped groove on the upper surface; a headrest 15 is fixedly connected to one side of the fixing plate 1 close to the neck pillow 14 and used for supporting the head of a patient; the fixing plate 1 is provided with first sliding chutes 16 which are symmetrically designed and are positioned at two sides of the headrest 15; the holding rod 17 is connected with the surface of the fixing plate 1 in a sliding way through a first sliding chute 16; one end of the holding rod 17, which is positioned in the first sliding chute 16, is elastically connected with one side of the first sliding chute 16, which is far away from the conduction groove 12, through a spring; the holding rod 17 is in an arc design at one end far away from the first sliding chute 16, and a rubber sleeve is sleeved on the surface of the holding rod, so that a patient can conveniently grasp the holding rod;
the adjusting mechanism comprises a positioning plate 22, a connecting plate 24 and a connecting buckle; a second chute 2 is arranged on one side of the neck pillow 14 far away from the headrest 15; a sliding rod 21 is connected in the second sliding chute 2 in a sliding manner; the sliding rod 21 extends out of the second sliding chute 2, and one end of the sliding rod, which is positioned outside the second sliding chute 2, is fixedly connected with a positioning plate 22; one end of the sliding rod 21, which is positioned in the second sliding chute 2, is elastically connected with the second sliding chute 2 through a spring; connecting grooves 23 are formed in the two sides of the fixing plate 1, which are positioned in the conduction groove 12; a connecting plate 24 is connected in the connecting groove 23 in a sliding manner; the upper end of the connecting plate 24 extends out of the connecting groove 23; the connecting plate 24 is fixedly connected with the positioning plate 22 through a guide rod; the connecting plate 24 is provided with connecting holes which are uniformly distributed; the length of the connecting plate 24 is consistent with the width of the thermoplastic film; the thermoplastic film is fixedly connected with a connecting buckle for connecting with a connecting plate 24;
in the prior art, tumor radiotherapy is a longer process, a patient needs to carry out repeated positioning treatment for many times, a body position fixing technology is a key factor for ensuring the accuracy of radiotherapy, particularly, the body position of a patient with a breast and abdomen tumor is influenced by multiple factors, and the selection of a proper fixing technology is particularly important; the body position is fixed by adopting a simple body membrane, the skin on the back of a patient cannot be fully contacted with the bottom plate of the fixed body membrane, the body of the patient can be rotated while the body membrane is buckled, and the left and right positioning errors are large; the vacuum pad and the thermoplastic film are adopted to fix the patient, soft tissues on the back and two sides of the body of the patient can be in full contact with the vacuum pad without moving, the upper limbs, the head and the lower limbs are properly supported and fixed, the posture is kept unchanged in the irradiation process, not only are surrounding normal tissues and organs protected, but also the dosage of a target area is further improved, the dosage of the surrounding normal tissues is obviously reduced, and a good effect of radiotherapy is achieved, so the vacuum pad and the thermoplastic film are worthy of popularization and application in clinic, but the matching and use of the vacuum pad and the thermoplastic film in the prior art are operated separately at intervals, and the matching and fixing effect of the vacuum pad and the thermoplastic film cannot be effectively and completely exerted;
when the device works, the fixing mechanism, the adjusting mechanism, the vacuum pad and the thermoplastic film are arranged, when the body position is fixed, the vacuum pad for breast tumor radiotherapy is firstly placed on a treatment bed in combination with the thermoplastic film fixing device, the vacuum pad is placed in the mounting groove 11, a patient naturally lies in the conduction groove 12 on the fixing plate 1, the neck and the head are respectively placed on the neck pillow 14 and the head pillow 15, the patient lifts up with two hands and grips the rubber sleeve on the holding rod 17, naturally opens two arms outwards, the two arms exert the extrusion effect on the positioning plate 22 during the opening process of the two arms, so that the positioning plate 22 pushes the sliding rod 21 to slide in the second sliding groove 2, at the moment, the positioning plate 22 is fixedly connected with the connecting plate 24 through the guide rod, the connecting plate 24 is driven to move in the connecting groove 23 during the moving process of the positioning plate 22, so that the connecting plate 24 is flush with the shoulder edge of the patient, at the moment, the vacuum pad is connected with a vacuum machine, the vacuum pad is vacuumized, the thickness of the vacuum pad is further reduced, the fixed plate 1 and a patient can extrude the vacuum pad, a groove matched with the fixed plate 1 and the patient is formed on the vacuum pad, meanwhile, a thermoplastic film is placed in hot water of 70 ℃ for soaking and softening, one end of the thermoplastic film is fixedly connected with a connecting plate 24 through a connecting buckle and then is flatly paved on the chest of the patient, the other end of the thermoplastic film is connected with the connecting plate 24 after being attached to the chest of the patient, the curing of the vacuum pad and the thermoplastic film is completed after the thermoplastic film is completely cured, the vacuum pad and the thermoplastic film can be separated from the fixed plate 1 after the treatment positions of the thermoplastic film and the vacuum pad are positioned and marked by adopting light, a holding rod 17 and a first sliding chute 16 are arranged for providing a holding part for the patient, so that the patient can conveniently open the chest, and the positioning precision of the completely unfolded chest can be obviously improved, simultaneously with vacuum pad and thermoplastic body membrane through fixed plate 1 connect, and then fix a position thermoplastic body membrane and vacuum pad, then utilize neck pillow 14 and locating plate 22 on fixed plate 1 to provide the assistance-localization real-time effect to thermoplastic body membrane and vacuum pad, can effectual reinforcing thermoplastic body membrane and vacuum pad and the laminating effect of patient's health, make vacuum pad and the thermoplastic body membrane of making can be convenient more when reuse, swift laminating, and then the use convenience of effectual reinforcing vacuum pad and thermoplastic body membrane.
As an embodiment of the present invention, the sliding rod 21 is contracted in the second sliding chute 2 by a spring in an initial state; an expansion bag 25 is fixedly connected between the second sliding chute 2 and the sliding rod 21; a squeezing bag 26 is fixedly connected in the arc-shaped groove on the upper surface of the neck pillow 14; the extrusion bag 26 is communicated with the expansion bag 25;
when the neck pillow is in operation, the expansion bag 25 and the squeezing bag 26 are arranged, when the neck of a patient presses on the neck pillow 14, the squeezing bag 26 is under the action of pressure to convey the internal gas into the expansion bag 25, so that the expansion bag 25 is extended, the sliding rod 21 is pushed to move towards the outside of the second sliding groove 2, and the positioning plate 22 is attached to the shoulder of the patient, because the length of the neck of the patient is different, the positioning plate 22 automatically extending outwards is attached to the patient, compared with the case that the patient moves on a vacuum cushion by itself to attach, the difficulty in positioning the patient can be effectively reduced, meanwhile, the positioning plate 22 which is contracted and attached to the neck pillow 14 in the initial state is compared with the extended positioning plate 22, the patient can be effectively prevented from being blocked in the process that the patient lies down, on one hand, the patient can feel uncomfortable and also easily press the positioning plate 22 to deform, resulting in a reduced positioning effect of the device.
As an embodiment of the present invention, the fixing plate 1 is fixedly connected with symmetrically designed positioning blocks 3 on both sides of the headrest 15; an elastic groove 31 is formed in the upper surface of the positioning block 3; a hooking plate 32 is inserted into the elastic groove 31; the hooking plates 32 are all designed in an inverted J shape; one end of the hook connecting plate 32, which is positioned in the elastic groove 31, is fixedly connected with the bottom of the elastic groove 31 through an elastic band; the two side edges of the fixed plate 1 are fixedly connected with limit rods 33 corresponding to the positioning blocks 3; the limiting rod 33 is used for being connected with the hooking plate 32;
during operation, collude even board 32 and gag lever post 33 through the setting, lie when the patient is flat, both hands are after tightly holding rod 17, even board 32 takes out through colluding of accomodating in elastic groove 31 under with initial condition, and draw and stretch outward, the elastic band that makes colluding even board 32 rear end is hugged closely behind the patient's arm and is hung on the limiting plate, and then utilize the elasticity of elastic band to tie down patient's both arms, effectual supplementary patient outwards opens both arms, and then make the thorax expansion, the reinforcing is to the accurate location of chest, compare simultaneously and open both arms in the patient by oneself, use the elastic band to tie the stability that can effectual reinforcing patient's limbs, avoid in the location, the in-process patient arm shake of mark, and then lead to chest skin to pile up, and then lead to positioning accuracy to reduce.
As an embodiment of the invention, a bearing pad 34 is fixedly connected between the limiting rod 33 and the positioning block 3 of the fixing plate 1; the bearing pad 34 is made of elastic rubber material; the upper surface of the bearing pad 34 is inclined and the inclined directions are both designed towards the positioning block 3;
the during operation, through setting up bearing pad 34, use the elastic band to tie patient's both arms, and then when opening patient's thorax, bearing pad 34 is located patient arm below, support for patient's arm provides, the setting for of bearing pad 34 upper surface slope simultaneously is convenient for contact with patient's arm, and then the effectual fulcrum that provides for patient's arm, reduce the burden to the muscle when patient's arm is in the state of opening for a long time, thereby strengthen the patient at the fixed in-process comfort of position.
As an embodiment of the present invention, the fixed plate 1 is provided with lifting grooves 4 at both sides of the mounting groove 11; the lifting grooves 4 are all connected with lifting plates 41 in a sliding manner; the lower surfaces of the lifting plates 41 are fixedly connected with sliding wheels 42 which are uniformly distributed; the upper surface of the lifting plate 41 is hinged with a lifting rod 43; the middle part of the lifting rod 43 is hinged with a supporting rod 44; pulleys are hinged to one end, away from the lifting plate 41, of the lifting rod 43 and two ends of the supporting rod 44; a screw rod 45 is rotatably connected in the lifting groove 4; a sliding block 46 is rotatably connected to the screw rod 45; the sliding block 46 is fixedly connected with one side of the supporting rod 44 close to the lifting plate 41 through a guide rod; the screw rod 45 penetrates through the fixed plate 1, and a rotating disc 47 is fixedly connected to one end of the outer side of the fixed plate 1;
when the vacuum pad is in operation, because the thickness of the vacuum pad which is not pumped to a vacuum state is higher, and when the vacuum pad is required to be pumped, the fixing plate 1 presses a groove matched with the vacuum pad, the lifting groove 4 and the lifting plate 41 are arranged, the screw 45 is rotated by rotating the rotating disc 47 in an initial state, the sliding block 46 on the screw 45 slides to form thrust on the supporting rod 44, so that the angle of the supporting rod 44 is changed, the X structure formed by the supporting rod 44 and the lifting rod 43 is raised due to the hinging of the supporting rod 44 and the lifting rod 43, so that the lifting plate 41 and the sliding wheel 42 are pushed to move towards the outer direction of the lifting groove 4, so that the fixing plate 1 is raised upwards relative to a treatment bed, the gap between the mounting groove 11 on the upwards-raised fixing plate 1 and the treatment bed surface is enlarged, so that the vacuum pad can be mounted conveniently, and meanwhile, after the vacuum pad is mounted, the rotating disc 47 is reset, and then make fixed plate 1 oppress on the vacuum pad, can utilize the gravity of fixed plate 1 to form the oppression to the vacuum pad when carrying out the evacuation and fixing a position, and then be convenient for follow-up vacuum pad and fixed plate 1's accurate location.
As an embodiment of the present invention, the fixing plate 1 is provided with receiving grooves 5 on both sides of the conduction groove 12; the containing grooves 5 are all rotatably connected with tightening shafts 51 through guide rods; an elastic net 52 is wound on the two tightening shafts 51 together; the elastic net 52 is formed by weaving carbon fiber yarns with smooth surfaces, high strength and strong flexibility; a first through groove 53 is formed between the accommodating groove 5 and the lifting groove 4; the screw rod 45 and the tightening shaft 51 are fixedly connected with gears, and the two gears are connected through a belt; the rotation directions of the lead screws 45 positioned at the two sides of the conduction groove 12 are opposite;
the during operation, through setting up elastic net 52 and tightening shaft 51, when rotating rolling disc 47, the rotation of lead screw 45 drives tightening shaft 51 and rotates, left and right sides tightening shaft 51 is reverse to be tightened up, and then make two tightening shaft 51 go up common winding elastic net 52 and stretch tightly, when there is great difference in the position at the vacuum pad of patient, can be through rotating rolling disc 47, utilize the elastic net 52 that tightens up to take the patient up when making fixed plate 1 rise, after confirming the position simultaneously, through resetting rolling disc 47, elastic net 52 stretches out, it is comparatively soft under the effect of people's weight, frivolous elastic net 52 can not form the hindrance to the location of patient with the vacuum pad.
The specific implementation flow is as follows:
when the device works, the fixing mechanism, the adjusting mechanism, the vacuum pad and the thermoplastic film are arranged, when the body position is fixed, the vacuum pad for breast tumor radiotherapy is firstly placed on the treatment bed in combination with the thermoplastic film fixing device, the vacuum pad is placed in the mounting groove 11, a patient naturally lies in the conduction groove 12 on the fixing plate 1, the neck and the head are respectively placed on the neck pillow 14 and the head pillow 15, the patient lifts up with both hands and grips the rubber sleeve on the holding rod 17, naturally opens both arms outwards, and during the opening process of both arms, both arms exert the extrusion effect on the positioning plate 22, so that the positioning plate 22 pushes the sliding rod 21 to slide in the second sliding groove 2, at the moment, the positioning plate 22 is fixedly connected with the connecting plate 24 through the guide rod, the connecting plate 24 is driven to move in the connection groove 23 during the movement of the positioning plate 22, so that the connecting plate 24 is flush with the shoulder edge of the patient, at the moment, the vacuum pad is connected with a vacuum machine, the vacuum pad is vacuumized, the thickness of the vacuum pad is reduced, the vacuum pad is extruded by the fixing plate 1 and a patient, grooves matched with the fixing plate 1 and the patient are formed on the vacuum pad, meanwhile, the thermoplastic film is placed in hot water of 70 ℃ to be soaked and softened, one end of the thermoplastic film is fixedly connected with the connecting plate 24 through a connecting buckle and then is flatly paved on the chest of the patient, the other end of the thermoplastic film is connected with the connecting plate 24 after being attached to the chest of the patient, the vacuum pad and the thermoplastic film are cured after the thermoplastic film is completely cured, the treatment positions of the thermoplastic film and the vacuum pad are positioned and marked by adopting light, and the vacuum pad and the thermoplastic film can be separated from the fixing plate 1.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a chest tumour radiotherapy is with vacuum pad joint thermoplasticity membrane fixing device which characterized in that: comprises a fixing mechanism, an adjusting mechanism, a vacuum pad and a thermoplastic film;
the fixing mechanism comprises a fixing plate (1), a neck pillow (14) and a holding rod (17); the fixing plate (1) is a rectangular plate-shaped structural body; the bottom of the fixed plate (1) is provided with a mounting groove (11); the mounting groove (11) penetrates through the fixing plate (1) in the length direction; the mounting groove (11) is used for placing a vacuum pad; a conduction groove (12) is formed in the surface of the fixing plate (1); the conduction groove (12) penetrates through the fixing plate (1) and extends into the mounting groove (11); one end of the conduction groove (12) in the length direction is open, and the other end is designed in a step shape; one side of the fixed plate (1) close to the conduction groove (12) is fixedly connected with a connecting rod (13); the connecting rods (13) are designed in a plurality and parallel to each other; the connecting rods (13) are all in arc design, and the connecting rods (13) extend to the upper space of the conduction groove (12); the neck pillow (14) is arranged above the conduction groove (12) and is fixedly connected with the fixing plate (1) through a connecting rod (13); the neck pillow (14) is a rectangular structure body with an arc-shaped groove on the upper surface; one side of the fixing plate (1) close to the neck pillow (14) is fixedly connected with a head pillow (15) for supporting the head of a patient; the fixing plate (1) is positioned at two sides of the headrest (15) and is provided with first sliding chutes (16) which are symmetrically designed; the holding rod (17) is in sliding connection with the surface of the fixing plate (1) through a first sliding chute (16); one end of the holding rod (17) positioned in the first sliding groove (16) is elastically connected with one side of the first sliding groove (16) far away from the conducting groove (12) through a spring; one end of the holding rod (17) far away from the first sliding chute (16) is designed in an arc shape, and the surface of the holding rod is sleeved with a rubber sleeve;
the adjusting mechanism comprises a positioning plate (22), a connecting plate (24) and a connecting buckle; a second sliding groove (2) is formed in one side, away from the headrest (15), of the neck pillow (14); a sliding rod (21) is connected in the second sliding chute (2) in a sliding way; the sliding rod (21) extends out of the second sliding chute (2) and one end of the sliding rod, which is positioned outside the second sliding chute (2), is fixedly connected with a positioning plate (22); one end of the sliding rod (21) positioned in the second sliding chute (2) is elastically connected with the second sliding chute (2) through a spring; connecting grooves (23) are formed in the two sides of the conducting groove (12) of the fixing plate (1); a connecting plate (24) is connected in the connecting groove (23) in a sliding manner; the upper end of the connecting plate (24) extends out of the connecting groove (23); the connecting plate (24) is fixedly connected with the positioning plate (22) through a guide rod; the connecting plate (24) is provided with connecting holes which are uniformly distributed; the length of the connecting plate (24) is consistent with the width of the thermoplastic film; the thermoplastic film is fixedly connected with a connecting buckle for connecting with a connecting plate (24);
the sliding rod (21) is contracted in the second sliding chute (2) under the action of a spring in an initial state; an expansion bag (25) is fixedly connected between the second sliding chute (2) and the sliding rod (21); a squeezing bag (26) is fixedly connected in the arc-shaped groove on the upper surface of the neck pillow (14); the extrusion bag (26) is communicated with the expansion bag (25);
the fixing plate (1) is positioned on both sides of the headrest (15) and is fixedly connected with symmetrically designed positioning blocks (3); an elastic groove (31) is formed in the upper surface of the positioning block (3); a hook plate (32) is inserted in the elastic groove (31); the hooking plates (32) are all designed in an inverted J shape; one end of the hook connecting plate (32) positioned in the elastic groove (31) is fixedly connected with the bottom of the elastic groove (31) through an elastic band; the edges of the two sides of the fixed plate (1) are fixedly connected with limit rods (33) corresponding to the positioning blocks (3); the limiting rod (33) is used for being connected with the hooking plate (32).
2. The vacuum pad and thermoplastic film combined fixing device for breast tumor radiotherapy as claimed in claim 1, wherein: a bearing pad (34) is fixedly connected between the limiting rod (33) and the positioning block (3) of the fixing plate (1); the bearing pad (34) is made of elastic rubber material; the upper surface of the bearing pad (34) is inclined and the inclined direction of the upper surface of the bearing pad faces the positioning block (3).
3. The vacuum pad and thermoplastic film combined fixing device for breast tumor radiotherapy as claimed in claim 1, wherein: the fixed plate (1) is provided with lifting grooves (4) on two sides of the mounting groove (11); lifting plates (41) are connected in the lifting grooves (4) in a sliding manner; the lower surfaces of the lifting plates (41) are fixedly connected with sliding wheels (42) which are uniformly distributed; the upper surface of the lifting plate (41) is hinged with a lifting rod (43); the middle part of the lifting rod (43) is hinged with a support rod (44); pulleys are hinged to one end, away from the lifting plate (41), of the lifting rod (43) and two ends of the supporting rod (44); a screw rod (45) is rotationally connected in the lifting groove (4); the lead screw (45) is rotatably connected with a sliding block (46); the sliding block (46) is fixedly connected with one side, close to the lifting plate (41), of the supporting rod (44) through a guide rod; the screw rod (45) penetrates through the fixing plate (1) and a rotating disc (47) is fixedly connected to one end of the outer side of the fixing plate (1).
4. The vacuum pad and thermoplastic film combined fixing device for breast tumor radiotherapy as claimed in claim 3, wherein: the fixing plate (1) is provided with accommodating grooves (5) at two sides of the conduction groove (12); the containing grooves (5) are all rotatably connected with tightening shafts (51) through guide rods; an elastic net (52) is wound on the two tightening shafts (51) together; the elastic net (52) is formed by weaving carbon fiber yarns with smooth surfaces, high strength and strong flexibility; a first through groove (53) is formed between the accommodating groove (5) and the lifting groove (4); the screw rod (45) and the tightening shaft (51) are fixedly connected with gears, and the two gears are connected through a belt; the rotation directions of the lead screws (45) positioned at the two sides of the conduction groove (12) are opposite.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110287157.7A CN113069692B (en) | 2021-03-17 | 2021-03-17 | Vacuum pad combined thermoplastic membrane fixing device for breast tumor radiotherapy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110287157.7A CN113069692B (en) | 2021-03-17 | 2021-03-17 | Vacuum pad combined thermoplastic membrane fixing device for breast tumor radiotherapy |
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| CN113069692B true CN113069692B (en) | 2021-12-21 |
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| CN113521567B (en) * | 2021-07-18 | 2022-10-04 | 上海市肺科医院 | Radiotherapy body membrane and low temperature thermoplastic film applying device |
| CN113616940B (en) * | 2021-08-10 | 2024-01-30 | 张蕴蕴 | Device for assisting tumor radiotherapy positioning |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203235154U (en) * | 2012-10-23 | 2013-10-16 | 上海交通大学医学院附属新华医院崇明分院 | Thoraco-abdominal tumor radiotherapy positioning plate |
| CN205163926U (en) * | 2015-10-26 | 2016-04-20 | 上海市肺科医院 | Accurate radiotherapy fixing device of somatic part |
| CN109731239B (en) * | 2018-12-06 | 2020-06-30 | 中国人民解放军总医院 | Chest radiotherapy positioner |
| CN109663226A (en) * | 2019-02-21 | 2019-04-23 | 遵义医学院附属医院 | A kind of thoracic cavity radiotherapy combines thermoplastic body film with vacuum pad and fixes device |
| CN111672032A (en) * | 2020-06-12 | 2020-09-18 | 上海市质子重离子医院有限公司 | Posture fixing device and method for breast cancer ion radiotherapy |
| CN112473023B (en) * | 2020-11-27 | 2022-11-08 | 中国人民解放军总医院第五医学中心 | Tumor radiation positioning device |
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