CN206730286U - Semi-circular radiotherapy incidence positions fixed mount - Google Patents

Abstract

The utility model provides a kind of semi-circular radiotherapy incidence positioning fixed mount, is made up of gland frame, headrest and head film three parts, using the principle of joinery and its construction, the dual locking of off-centre operation, coordinates special gland film, reach and be accurately positioned.Rise and fall the human body Head And Face to differ greatly particularly suitable for contour curve.The utility model fully achieves the spacing fixation to human body incidence, reaches or close to zero shift.The utility model releases without having to worry about fixation during use；The step locking of semicircle bias locking one, is simplified, and the human body such as pinching incident of injury can be avoided to occur；It can make it that the operation of technician is more simplified and convenient；Efficiently solve all drawbacks and deficiency existing for current head radiotherapy location structure.The utility model is designed reasonably, easy to operate, safe, environmental protection, fixed effect is obvious, and practicality and versatility are all stronger.

Description

Semi-circular radiotherapy incidence positions fixed mount

Technical field

The utility model belongs to radiotherapy field of locating technology, is related to the dress that incidence positions in a kind of radiotherapy Put, more particularly to a kind of semi-circular radiotherapy incidence positioning fixed mount, it is poor to be suitable for human body head, neck and shoulder curves fluctuating The fixation at different larger position, it is the important tool for being accurately positioned, implementing in modern radiotherapy.

Background technology

Low temperature thermo-plastic planking (film) is a kind of macromolecule polyester of special synthesis, is handled through a series of physical and chemical method The new medical material formed, for making materials such as fixation, KAFO, braces outside radiotherapy Postural immobilization, orthopaedics.Due to The material after not absorbing ray, heating and softening with good plastotype effect and specific shape memory function (working as modeling Type can reheating, again plastotype or local heating shape again when dissatisfied) etc. outstanding properties, it is and simple to operate, fixed It is convenient, it is optimal external fixation system in current radiotherapy localization.

At present, the fixation of patient reaches by the way of low temperature thermo-plastic planking combines and is mechanically fixed mostly in clinical radiotherapy To the purpose of positioning.The requirement of the positioning of radiotherapy：Require fixed accurate on the three-dimensional of top to bottom, left and right, front and rear, it is mobile to miss Difference<5MM.Neck position anatomical structure is compact, and various vitals are distributed with.It is fixed by mobilizers such as mandibular, cervical vertebras The limitation of official, and the influence of the physiological activity such as breathing, heartbeat.Control error is fixed in the radiotherapy that factors above causes incidence It is difficult.Detected although mechanical means are various on the market, in practical effect and find displacement error be present mostly.

The deficiency of radiotherapy localization at present：The presence fixed interval (FI) of low temperature thermoplastic film and bottom plate；Locking easily occurs for fixation procedure Come off, fixed failure；Fixation procedure causes (shoulder) skin to squeeze folder injury accident；Standing finish split designs, easy to be lost；It is fixed Locking mechanical structure is stressed directly；It is laborious, cumbersome using operating；Original lock assembly is complicated.Based on more than deficiency and Drawback we devise a radiotherapy localization fixing device, and the related gland film of matched combined use.

The content of the invention

The purpose of this utility model is that solve conventional head radiotherapy localization drawback, there is provided a kind of device of accurate radiotherapy positioning Tool --- semi-circular radiotherapy incidence positions fixed mount.It is spacing solid that the utility model is mainly used in the conformal outline of incidence Determine technology, using the principle of joinery and its construction, the dual locking of off-centre operation, coordinate special gland film, reach and be accurately positioned.Especially It is suitable for the human body Head And Face that contour curve fluctuating differs greatly.

The semi-circular radiotherapy incidence positioning fixed mount of the utility model, by gland frame, headrest and head film three parts Composition, three need to be used cooperatively.

First, gland frame is by bottom plate slope 300, bottom plate positioning hole 299, bottom plate combined positioning hole 301, column type locking Structure 109, position-limit foot hole 297, headrest groove 298, head bottom plate 147 and shoulder bottom plate 290 form.Agent structure is one piece of isosceles trapezoid The head bottom plate 147 and rectangle structure shoulder bottom plate 290 of structure are formed.Rectangular headrest groove 298 is located at the surface of head bottom plate 147 Middle position simultaneously keeps lower edge consistent with it.The long edge in both sides of headrest groove 298 is respectively connected with 3 tool column type locking structures 109, 3 tool column type locking structure, 109 or so the parallel fixation cell walls 19 and cylinder briquetting for being connected as one, forming strip of homonymy 58；The headrest side short side of groove 298 is connected with 2 tool column type locking structures 109 and is connected.Opposite side short side dissociates.I.e.：Two The fixation cell wall 19 of side long side and the fixation cell wall 19 of side short side form the headrest groove 298 of " C " shape；Headrest groove 298 surface Depression forms three position-limit foot holes 297 of conical structure, and positioned at the center of headrest groove 298, triangle disposition arrangement is presented.Four sides The shoulder bottom plate 290 of shape connects the edge with head bottom plate 147, and 2 tool column type locking structures are each provided with its two short edge placement 109, homonymy is connected two-by-two, i.e., both fixation cell walls 19 are connected as a single entity.Distinguish close to fixed cell wall 19 on the surface of shoulder bottom plate 290 Provided with bottom plate combined positioning hole 299 and bottom plate positioning hole 301, the connection of bottom plate slope 300 and the free long side of shoulder bottom plate 290.

Wherein " column type locking structure 109 " is by fixed cell wall 19, fixed tenon 20, fixed bottom plate 25, tenon line 27, compression line 57th, cylinder briquetting 58, connecting pole 59, cylinder axis 60, cylindrical base 61, cylinder spanner 62 and cylinder, which are left blank, 63 collectively constitutes.Gu Sphenoid that cell wall 19 is a upper-thin-lower-thick is determined perpendicular to an edge of fixed bottom plate 25；In the middle part of the other edge of fixed bottom plate 25 Cylindrical base 61 is connected with, one end dissociative and centre, which are run through, cylinder axis 60；The both ends of axle are respectively connected with mobilizable cylinder Briquetting 58；Between two cylinder briquettings 58 by connecting pole 59 with the cylinder spanner 62 of outer rim is static is connected, cylinder is left in centre Leave blank 63, corresponding is the fixation tenon 20 on fixed cell wall 19, there is multi-turn tenon line 27 thereon；The outer of cylinder briquetting 58 It is designed with the fixed phase of cell wall 19 close to place and compresses line 57.

2nd, headrest is made up of headrest seat 135, position-limit foot 146, occipital bone song 292 and cervical flexure 293.Its agent structure is one Individual approximate rectangular parallelepiped structure headrest seat 135, is divided into obverse and reverse two sides.Front is appropriate below towards the one of user to install Face, it is the elastic construction of a wave-like above, there are two crooked radians.Occipital bone song and cervical flexure are followed successively by up and down.Headrest seat 135 Reverse side surface protrude the position-limit foots 146 of three cone shapes, in triangle disposition structure distribution, and with headrest groove 298 Position-limit foot hole 142 it is corresponding.

3rd, head film be by shoulder film 1, shoulder bar 2, the film fourth of the twelve Earthly Branches 3, bar Positioning bean 4, bar handle 5, noodles 6, top bar 7, teleblem gap 9, Cervacoria gap 12, cervacoria 18, facial mask 34 and teleblem 35 collectively form.This film agent structure is by teleblem 35, facial mask 34, cervacoria 18 and four pieces of laminar films of the grade of shoulder film 1 head and the tail be sequentially connected composition.Teleblem 35 is in isosceles trapezoid, and two waist edge are free to form teleblem gap 9.Top edge connects top bar 7, and handing-over marginal center is provided with bar handle 5；One is respectively distributed with through top bar 7 close to the top both ends of bar 7 Borehole structure --- the film fourth of the twelve Earthly Branches 3, bar Positioning bean 4 is positioned at the surface at the middle part of top bar 7.Its lower edge connects with facial mask 34.Facial mask 34 is in Quadrangle, its left and right edges are respectively connected with a noodles 6, and handing-over marginal center is provided with bar handle 5；Three film fourths of the twelve Earthly Branches 3 are equidistantly divided Cloth simultaneously runs through noodles 6, and surface is equidistantly provided with bar Positioning bean 4 between it.The lower edge of facial mask 34 is connected to cervacoria 18.Cervacoria 18 is in Isosceles trapezoid, two waist edge are free to form cervacoria gap 12；Its lower edge is connected with shoulder film 1.Shoulder film 1 is in quadrangle, its left and right two Side is respectively connected with a shoulder bar 2, and handing-over marginal center is respectively provided with a bar handle 5；One is respectively distributed with close to the both ends of shoulder bar 2 to pass through Wear the borehole structure of film bar --- the film fourth of the twelve Earthly Branches 3, bar Positioning bean 4 is positioned at the surface at the middle part of top bar 7.Its lower edge dissociates.

The utility model is that incidence accurate radiotherapy positions fixed system.He can fully achieve the limit to human body incidence Position is fixed, can reach or close to zero shift；The intersection force structure design science of cylinder locking structure and pressing plate, without having to worry about Fixation during use releases；The step locking of semicircle bias locking one, is simplified, and the operation of technician can be caused more to simplify With it is convenient；The application of spill headrest groove can avoid the human body such as pinching incident of injury from occurring；The design of multisection type film bar can be more Add and be adapted to and be attached at the complicated head outline of curved-surface structure；The detailed design of hommization can cause technician operate simplify and It is convenient.Efficiently solve all drawbacks and deficiency existing for current head radiotherapy location structure.The utility model is designed reasonably, behaviour Make convenient, safety, environmental protection, fixed effect is obvious, and practicality and versatility are all stronger.

Brief description of the drawings

Fig. 1 is gland frame structural representation.

Fig. 2 is a membrane structure schematic diagram.

Fig. 3,4 are the structural representations of column type locking structure 109.

Fig. 5, Fig. 6 are headrest features schematic diagrames.

Embodiment

The utility model is further described in conjunction with the accompanying drawings and embodiments.

The semi-circular radiotherapy incidence positioning fixed mount of embodiment 1

Referring to Fig. 1, Fig. 2 and Fig. 5, the utility model is made up of gland frame, head film and headrest three parts, and three needs It is used cooperatively.

Referring to Fig. 1, fixed mount is by bottom plate slope 300, bottom plate positioning hole 299, bottom plate combined positioning hole 301, column type Locking structure 109, position-limit foot hole 297, headrest groove 298, head bottom plate 147 and shoulder bottom plate 290 form.Agent structure is one piece of isosceles The head bottom plate 147 and rectangle structure shoulder bottom plate 290 of trapezium structure are formed.Rectangular headrest groove 298 is located at head bottom plate 147 The middle position on surface simultaneously keeps lower edge consistent with it.The long edge in both sides of headrest groove 298 is respectively connected with 3 tool column type locking knots Structure 109,3 tool column type locking structure, 109 or so the parallel fixation cell walls 19 and cylinder for being connected as one, forming strip of homonymy Briquetting 58；The headrest side short side of groove 298 is connected with 2 tool column type locking structures 109 and is connected.Opposite side short side dissociates. I.e.：The fixation cell wall 19 of both sides long side and the fixation cell wall 19 of side short side form the headrest groove 298 of " C " shape；Cylinder now Formula locking structure 109 is to play the spacing fixation to face and crown position.The headrest depression in the surface of groove 298 forms circle Three position-limit foot holes 297 of cone structure, positioned at the center of headrest groove 298, triangle disposition arrangement is presented.The shoulder bottom plate of quadrangle 290 connect the edge with head bottom plate 147, and 2 tool column type locking structures 109 are each provided with its two short edge placement, homonymy It is connected two-by-two, i.e., both fixation cell walls 19 are connected as a single entity.Column type locking structure 109 now is played to the spacing of shoulder Fixation.The surface of shoulder bottom plate 290 is respectively equipped with bottom plate combined positioning hole 39 and bottom plate positioning hole 37 close to fixed cell wall 19, and two Shoulder bottom plate 290 is run through in hole, limits fixed mount (being subjected to displacement) jointly.Bottom plate slope 300 connects the free length with shoulder bottom plate 290 Side.

Referring to Fig. 3 and 4, " column type locking structure 109 " is by fixed cell wall 19, fixed tenon 20, fixed bottom plate 25, tenon line 27th, compress line 57, cylinder briquetting 58, connecting pole 59, cylinder axis 60, cylindrical base 61, cylinder spanner 62 and cylinder leave blank it is 63 common With composition.Fixed cell wall 19 is the sphenoid of a upper-thin-lower-thick, and it is vertically connected at an edge of fixed bottom plate 25, fixed cell wall The structural form of 19 wedge bodies makes it possible to preferably attach and be suitable for the curved-surface structure of human body.The other edge of fixed bottom plate 25 Middle part is connected with cylindrical base 61, and one end dissociative and centre, which are run through, cylinder axis 60；The both ends of axle are respectively connected with mobilizable Cylinder briquetting 58, can be along pressing plate shaft axial rotation；Pulled between two cylinder briquettings 58 by the cylinder of connecting pole 59 and outer rim Hand 62 is static to be connected, and centre leaves cylinder and leaves blank 63, and corresponding is the fixation tenon 20 on fixed cell wall 19, and fixed tenon 20 is set Count into bottom and slightly push up thin circular cone structure, realize linear fastening；Its surface distributed has the tenon line 27 of a circle circle, can increase the film fourth of the twelve Earthly Branches Frictional force between 3 and fixed tenon 20.The outer of cylinder briquetting 58 is designed with close to place with the fixed phase of cell wall 19 and compresses line 57, uses In increasing the frictional force between cylinder briquetting 58 and film bar etc., fastening locking acts on.

Referring to Fig. 5 and 6, headrest is made up of headrest seat 135, position-limit foot 146, occipital bone song 292 and cervical flexure 293.Its main body Structure is an approximate rectangular parallelepiped structure headrest seat 135, is divided into obverse and reverse two sides.Referring to Fig. 5, front for install it is appropriate after The one side of user is faced, is the elastic construction of a wave-like above, there are two crooked radians.Be followed successively by up and down occipital bone it is bent and Cervical flexure.Referring to Fig. 6, the reverse side surface of headrest seat 135 protrudes the position-limit foot 146 of three cone shapes, in triangle disposition knot Structure is distributed, and corresponding with the position-limit foot hole 142 on headrest groove 298.With the use of can have the function that limit headrest activity.

Referring to Fig. 2, head film is by between shoulder film 1, shoulder bar 2, the film fourth of the twelve Earthly Branches 3, bar Positioning bean 4, bar handle 5, noodles 6, top bar 7, teleblem Gap 9, cervacoria gap 12, cervacoria 18, facial mask 34 and teleblem 35 collectively form.The utility model agent structure is by isosceles trapezoid Four pieces of laminar films such as teleblem 35, the facial mask 34 in quadrangle, the cervacoria 18 in isosceles trapezoid and the shoulder film 1 in quadrangle are first successively Tail, which is connected, to be formed, wherein in the free gap of formation teleblem respectively 9 of teleblem 35 and the waist edge of cervacoria 18 or so two of isosceles trapezoid and neck Intermembrane space 12.The top lower edge of bar 7 connects teleblem 35, and each one of its both ends, can be conformal through borehole structure --- the film fourth of the twelve Earthly Branches 3 of top bar 7 Mutually it is placed on supporting gland frame (bottom plate) and fixes tenon；Two bar Positioning beans 4 are designed between two film fourths of the twelve Earthly Branches 3, it can be with phase Answer accessory to support the use and push up bar 7 in fastening.Two noodles 6 are located at the left and right sides edge of facial mask 34, and three film fourths of the twelve Earthly Branches 3 are equidistantly divided thereon Cloth simultaneously runs through facial mask bar 6, can conformal phase be placed on supporting gland frame (bottom plate) and fix tenon；Surface is equidistantly provided with bar between it Positioning bean 4, it can be supported the use with respective accessory in fastening noodles 6.Two shoulder bars 2 are located at the left and right sides edge of shoulder film 1, and two The individual film fourth of the twelve Earthly Branches 3 is distributed and through the both ends of shoulder bar 2, can conformal phase be placed on supporting gland frame (bottom plate) and fix tenon；Its surface Centre is provided with bar Positioning bean 4, and it can be supported the use with respective accessory in fastening shoulder bar 2.Push up bar 7 and teleblem 35, noodles 6 and face Film 34, shoulder bar 2 and shoulder film 1 join marginal center and are respectively provided with bar handle 5, are easy to the installation of the parts such as a film and supporting base plate and tear open Unload.

Embodiment 2：The utility model application method

The first step：Preparation.The fixed mount is positioned on pendulum position bed, fixed headrest is then put into headrest groove 298, So that fix position-limit foot hole 297 in the embedded groove of position-limit foot 146 on headrest.Patient is advised to lie low on fixed mount so that head is tight Each curved surface of the fixed headrest of patch, i.e.,：Headrest portion tight contacts between occipital bone song 292, and neck tight contacts between strength song 293.

Bis- Walk：Drawing-die.Two people coordinate the common constant temperature water tank for carrying out, the utility model being immersed to 60~70 degrees Celsius, Fully after softening, everyone lifts the film bar handle 5 on respective one side respectively, and being covered in needs fixed head, and by corresponding Film bar stretch softened various pieces head film (such as:Shoulder film 1, cervacoria 18, facial mask 34 and teleblem 35 etc.) so that stretching Overlay length is suitable, i.e.,：Noodles 6, top bar 7 and the position of shoulder bar 2 must reach corresponding column type locking structure on fixed mount 109。

Tri- Walk：Padlock.Referring to Fig. 1 and Fig. 2, the film fourth of the twelve Earthly Branches 3 on the noodles 6 on gland film, top bar 7 and shoulder bar 2 is detained Enter into corresponding fixed falcon 20 on supporting fixation bottom plate, referring to Fig. 3 and Fig. 4, pressing plate 24 is turned upwards by pressing plate shaft 26 It is dynamic, because thin circular cone structure is slightly pushed up at the fixed bottom of tenon 20, both the linear fastenings combined, the knot of multi-turn tenon line 27 can be caused Structure can keep fixation clip static, and first of locking is completed.It is flipped up head on both sides, crown side, the respective circle in shoulder both sides Post briquetting 58, it is rotated up by cylinder axis 60, compresses line 57 and contacted with each other and locking with film bar (fixed object), object structure It will be stopped by cylinder briquetting 58 and be locked in wherein.Due to compressing line 57 to film because the eccentric design of cylinder briquetting 58 forces Bar produces pressure, is then finally fastened and fixed, and second locking is completed.

Treat that low temperature thermo-plastic planking is hardened aftershaping and completed.Follow-up formal therapy is fixed according to the low temperature thermo-plastic planking of shaping Method is consistent.

Embodiment 3 uses the supporting fixed mount of this utility model and the comparison of other modes

Comparative result is shown in Table 1.

Table 1

Claims (4)

1. a kind of semi-circular radiotherapy incidence positioning fixed mount, it is characterised in that by gland frame, headrest and head film three It is grouped into,

Wherein gland frame is by bottom plate slope (300), bottom plate positioning hole (299), bottom plate combined positioning hole (301), column type Locking structure (109), position-limit foot hole (297), headrest groove (298), head bottom plate (147) and shoulder bottom plate (290) composition, it is rectangular Headrest groove (298) is located at the middle position on head bottom plate (147) surface and keeps lower edge consistent with it, and the two of headrest groove (298) The long edge in side is respectively connected with 3 tool column type locking structures (109), and 3 tool column type locking structure (109) left and right of homonymy are parallel to be connected It is integrated, forms the fixation cell wall (19) and cylinder briquetting (58) of strip, headrest groove (298) side short side is connected with 2 tool cylinders Formula locking structure (109) is simultaneously connected, and opposite side short side dissociates, the fixation cell wall (19) of both sides long side and consolidating for side short side Determine the headrest groove (298) that cell wall (19) forms " C " shape, headrest groove (298) depression in the surface forms three limits of conical structure Position pin hole (297), positioned at headrest groove (298) center, present triangle disposition arrangement, quadrangle shoulder bottom plate (290) connection with The edge of head bottom plate (147), 2 tool column type locking structures (109), two two-phases of homonymy are each provided with its two short edge placement Even, i.e., both fixation cell walls (19) are connected as a single entity, and shoulder bottom plate (290) surface is respectively equipped with bottom plate close to fixed cell wall (19) and answered Close positioning hole (299) and bottom plate positioning hole (301), bottom plate slope (300) connection and the free long side of shoulder bottom plate (290)；

Wherein headrest is made up of headrest seat (135), position-limit foot (146), occipital bone bent (292) and cervical flexure (293), its agent structure For an approximate rectangular parallelepiped structure headrest seat (135), it is divided into obverse and reverse two sides, front is appropriate below towards user to install One side, be above a wave-like elastic construction, have two crooked radians, be followed successively by that occipital bone is bent and cervical flexure up and down, headrest The reverse side surface of seat (135) protrudes the position-limit foots (146) of three cone shapes, in triangle disposition structure distribution, and with head The position-limit foot hole (142) rested the head on groove (298) is corresponding；

Wherein head film is by shoulder film (1), shoulder bar (2), the film fourth of the twelve Earthly Branches (3), bar Positioning bean (4), bar handle (5), noodles (6), top bar (7), teleblem gap (9), cervacoria gap (12), cervacoria (18), facial mask (34) and teleblem (35) are formed, and teleblem (35) is in isosceles ladder Shape, two waist edge are free to form teleblem gap (9), and top edge connects top bar (7), and handing-over marginal center is provided with bar handle (5), close to top Bar (7) both ends are respectively distributed with one through the borehole structure film fourth of the twelve Earthly Branches (3) of top bar (7), and bar Positioning bean (4) is in the middle part of top bar (7) Surface, its lower edge connects with facial mask (34), and facial mask (34) is in quadrangle, and its left and right edges is respectively connected with a noodles (6), join marginal center and be provided with bar handle (5), three film fourths of the twelve Earthly Branches (3) are equally spaced and run through noodles (6), and surface is equidistant between it Provided with bar Positioning bean (4), the lower edge of facial mask (34) is connected to cervacoria (18), and cervacoria (18) is in isosceles trapezoid, and two waist edge dissociate Formed cervacoria gap (12), its lower edge is connected with shoulder film (1), and shoulder film (1) is in quadrangle, and its right and left is respectively connected with one Shoulder bar (2), handing-over marginal center are respectively provided with a bar handle (5), and one is respectively distributed with through film bar close to shoulder bar (2) both ends Borehole structure --- the film fourth of the twelve Earthly Branches (3), surface of the bar Positioning bean (4) in the middle part of top bar (7), its lower edge dissociate.

2. a kind of semi-circular radiotherapy incidence positioning fixed mount according to claim 1, it is characterised in that wherein round Pillar locking structure (109) by fixed cell wall (19), fixed tenon (20), fixed bottom plate (25), tenon line (27), compress line (57), Cylinder briquetting (58), connecting pole (59), cylinder axis (60), cylindrical base (61), cylinder spanner (62) and cylinder are left blank (63) group Into, fixed cell wall (19) for a upper-thin-lower-thick sphenoid perpendicular to an edge of fixed bottom plate (25), fixed bottom plate (25) Cylindrical base (61) is connected with the middle part of other edge, one end dissociative and centre, which are run through, cylinder axis (60), and the both ends of axle respectively connect Mobilizable cylinder briquetting (58) is connected to, passes through connecting pole (59) and the cylinder spanner of outer rim between two cylinder briquettings (58) (62) static to be connected, centre is left cylinder and left blank (63), and corresponding is the fixation tenon (20) on fixed cell wall (19), thereon There is multi-turn tenon line (27), the outer of cylinder briquetting (58) is mutually designed with close to place with fixed cell wall (19) and compresses line (57).

A kind of 3. semi-circular radiotherapy incidence positioning fixed mount according to claim 1, it is characterised in that gland The agent structure of frame is the head bottom plate (147) and rectangle structure shoulder bottom plate (290) composition of one piece of isosceles trapezoidal structure.

4. a kind of semi-circular radiotherapy incidence positioning fixed mount according to claim 1, it is characterised in that head film Agent structure is sequentially connected and formed by (1) four piece of teleblem (35), facial mask (34), cervacoria (18) and shoulder film laminar film head and the tail.