CN201930417U

CN201930417U - Head-body integrating three-dimensional locating frame

Info

Publication number: CN201930417U
Application number: CN2010206891929U
Authority: CN
Inventors: 薛辰全; 韩军; 罗宁
Original assignee: Dalian Modern Hi Tech Development Co Ltd
Current assignee: Dalian Modern High-Tech Group Co.,Ltd.
Priority date: 2010-12-30
Filing date: 2010-12-30
Publication date: 2011-08-17
Anticipated expiration: 2020-12-30

Abstract

The utility model discloses a head-body integrating three-dimensional locating frame which is characterized in that body rulers (6) are arranged at two sides of a carbon fiber locating bed board (2), and a head, neck and shoulder thermoplastic mold clamping slot (3), a head thermoplastic mold clamping slot (4), a headrest clamping slot (5) and a bed board locating and fixing clamping slot (7) are arranged on the carbon fiber locating bed board (2); the carbon fiber locating bed board (2) is connected with a vacuum pad locating strip (8), a body pressing board (9) and a head pressing board (10) through screws; and an arch-shaped ruler (1) consists of a beam and two stand columns, a Z-direction scale (11) is arranged on the two stand columns, a horizontal scale (12) is arranged on the upper surface of the beam, a lateral scale (13) is arranged at the side surface of the beam, and a locating scale (14) and a laser lamp (15) are also arranged on the beam. The head-body integrating three-dimensional locating frame can be used for locating tumors on the whole body of a patient, such as head, head and neck, chest, abdomen and the like. The functions of the currently various locating devices such as a head locating frame, a body locating frame, a head locating bottom board and a head and neck locating bottom board and the like can be realized by the head-body integrating three-dimensional locating frame with lower cost, and the head-body integrating three-dimensional locating frame has high locating precision, low cost, simplicity in operation, good stability and good penetrability of radial rays.

Description

The three-dimensional positioning framework of body one

Technical field:

The present invention relates to a kind of head and body 3 D positioning equipment that is applied in the precise radiotherapy field, in particular, is to be applied to a kind of device that patient body position in the precise radiotherapy field fixed, locatees, put the position.

Technical background:

At present, the precise radiotherapy positioner can be divided into by location technology and product structure: frame-type (Frame) and magic cross formula (Frameless).By using the position difference to be divided into: head stereotactic system and body stereotactic system.The frame-type positioner mainly is a pre-buried video picture mark line in positioner, by technique for fixing patient is fixed on the positioner, by CT scan positioner and patient, image is imported in the radiotherapy treatment planning system, can determine patient and knub position according to the video picture mark line, thereby reach the purpose of accurate positioning tumor position.The positioner of magic cross formula (Frameless) then is to paste the video picture index point at the general knub position of patient before CT scan, then patient is fixed on and carries out CT scan on the positioner, equally image is imported in the radiotherapy treatment planning system, distance according to tumor distance marker point calculates knub position, reaches the purpose of accurate positioning tumor position.Different is the pre-defined unified coordinate system of radiotherapy treatment planning system that frame-type needs positioner and matches and use, and magic cross formula (Frameless) is that relative position does not then need the predefine coordinate system owing to what calculate.

Frame-type (Frame) location, because elements of a fix systems and pendulum position scale are all pre-designed and pay on framework, therefore the precision of the precision of tumor coordinate system and pendulum position scale is not subjected to the influence of other factors, even the precision deficiency of CT bed (or MRI bed) and therapeutic bed also can not influence the foundation of coordinate system of tumor and the precision of pendulum position.But its complex structure, manufacture difficulty is big, the cost height, carrying is inconvenient when location, pendulum position;

Evil spirit cross formula (Frameless) location, simple to operate, the time is short, and cost is low, and is compatible good, but positioning accuracy can be subjected to the precision influence of CT bed (or MRI bed) and therapeutic bed.

Present head positioner and body positioner two products normally because small product size is little, are difficult for fixingly for head location speech, and therefore stability and precision are all difficult with assurance in actual use.

Summary of the invention:

The present invention is directed to the above-mentioned deficiency of prior art, provide a kind of simple in structure, easy to operate, the three-dimensional positioning framework of a body one with low cost.

Technical solution of the present invention is: a kind of the three-dimensional positioning framework of body one, be provided with carbon fiber location bed board, be movably set with arc chi on it, be provided with the body scale in bed board both sides, carbon fiber location, on the bed board of carbon fiber location, be provided with head and neck shoulder thermoplastic mould draw-in groove, head thermoplastic mould draw-in groove, headrest draw-in groove, bed board positioning and fixing draw-in groove; Carbon fiber location bed board is connected with vacuum pad positioning strip, body pressing plate, head pressing plate by screw; Arc chi is made of crossbeam and two root posts, two root posts are connected with carbon fiber location bed board by left and right sides slide block and lock-screw, on two root posts, be provided with Z to scale, upper surface at crossbeam is provided with horizontal scale, be provided with the side direction scale in the side of crossbeam, on crossbeam, also be provided with Position Scale and laser lamp.

The advantage of linking frame posture of the present invention location and magic cross formula locate mode can be used for the tumor-localizing of patient's whole bodies such as head, incidence, chest, abdominal part.This invention realizes the function of multiple positioners such as present head positioning framework, body positioning framework, head positioning plate and incidence positioning plate with lower cost, positioning accuracy height, low, simple to operate, the good stability of cost, and the ray penetrance is good.

Description of drawings:

Fig. 1 is a structural representation of the present invention.

Fig. 2 is Fig. 1 vertical view.

Fig. 3 is a carbon fiber location bed plate structure sketch map of the present invention.

Fig. 4 is the arc chi structural representation of the present invention.

The specific embodiment

Further specify embodiments of the invention below in conjunction with accompanying drawing.

Shown in Fig. 1-4, a kind of the three-dimensional positioning framework of body one, be provided with carbon fiber location bed board 2, be movably set with arc chi 1 on it, be provided with body scale 6 in bed board 2 both sides, carbon fiber location, on the bed board 2 of carbon fiber location, be provided with head and neck shoulder thermoplastic mould draw-in groove 3, head thermoplastic mould draw-in groove 4, headrest draw-in groove 5, bed board positioning and fixing draw-in groove 7; Carbon fiber location bed board 2 is connected with vacuum pad positioning strip 8, body pressing plate 9, head pressing plate 10 by screw; Arc chi 1 is made of crossbeam and two root posts, two root posts are connected with carbon fiber location bed board 2 by left and right sides slide block and lock-screw, on two root posts, be provided with Z to scale 11, upper surface at crossbeam is provided with horizontal scale 12, be provided with side direction scale 13 in the side of crossbeam, on crossbeam, also be provided with Position Scale 14 and laser lamp 15.

As shown in Figure 3, carbon fiber location bed board is as the visual plant of radiotherapy localization and positioning, and the structure of carbon fiber location bed board is most important.The location requirement at positions such as head, head and neck shoulder and body is contained in the present invention.Consider that different location technologies respectively have advantage, compatible negative pressure of vacuum bag of the present invention and various heat shrinkage film position technique for fixing.Whole location bed board with to the X ray permeability preferably carbon fibre material be matrix, and be aided with the high temperature-resistant polymer foam, realize the processing of whole bed board by the mould of superior design, thereby guarantee under its situation that is used for sufficient intensity, weight reduction as much as possible makes things convenient for medical personnel to operate.Whole bed board mainly is made up of body scale, head and neck shoulder thermoplastic mould draw-in groove, head thermoplastic mould draw-in groove, headrest draw-in groove, bed board positioning and fixing draw-in groove.By above-mentioned several sections, can support accurately to move bed, locate modes such as the location of body vacuum pad location, body thermoplastic mould, head and neck shoulder thermoplastic mould location, head triangle facial film location, U-shaped facial film location also can be supported polyurethane headrest, acryl headrest.Can accurately be installed on CT diagnostic bed or the accelerator therapy bed by whole bed board of bed board positioning and fixing draw-in groove.By special sign, can accurately understand patient's position location, make things convenient for medical personnel to realize quick localization and positioning.The vacuum pad pressing plate is mainly used in body and utilizes vacuum pad when location, determines the vacuum pad position; The body pressing plate is to be used for fixing body thermoplastic mould; The head pressing plate is used for fixing U profile film.The three forms by the Polymer Processing of density near body density, can effectively avoid, and uses dog screw to be fixed on the bed board of carbon fiber location respectively.

As shown in Figure 4, arc chi adopts aluminum alloy material, mainly partly is made up of to scale, laser lamp, Position Scale, side direction scale etc. left and right sides slide block, lock-screw, horizontal scale, Z.The design's characteristics be mainly reflected in following some: 1) compatible laser lamp location and scale are located 2 kinds of modes; 2) increase horizontal scale, make things convenient for medical personnel's reading; 3) left and right sides slide block adopts foolproof design, by being the slide rail of left and right sides slider designs different size, cooperates the slideway of different size on the bed board, guarantees that arc chi can not place oppositely, makes to locate and even deviation mistake to occur.

In use, at first, pasting the phenomenon gauge point near patient's tumor according to patient's knub position and the selected suitable fixed form (heat shrinkage film or negative pressure of vacuum bag) of other factors.Then patient is fixed on and carries out image scannings such as CT or nuclear magnetic resonance, NMR on the positioning framework, the doctor determines the relative position of gauge point apart from tumor from scanogram.Afterwards, determine the tumor particular location in conjunction with the three-dimensional coordinate chi on carbon fiber location bed board and the arc chi, by this position patient is carried out precise radiotherapy then according to the position of the relative gauge point of tumor that calculates.

Claims

1. the three-dimensional positioning framework of one kind of body one, be provided with carbon fiber location bed board (2), be movably set with arc chi (1) on it, it is characterized in that: be provided with body scale (6) in bed board (2) both sides, carbon fiber location, on carbon fiber location bed board (2), be provided with head and neck shoulder thermoplastic mould draw-in groove (3), head thermoplastic mould draw-in groove (4), headrest draw-in groove (5), bed board positioning and fixing draw-in groove (7); Carbon fiber location bed board (2) is connected with vacuum pad positioning strip (8), body pressing plate (9), head pressing plate (10) by screw; Arc chi (1) is made of crossbeam and two root posts, two root posts are connected with carbon fiber location bed board (2) by left and right sides slide block and lock-screw, on two root posts, be provided with Z to scale (11), upper surface at crossbeam is provided with horizontal scale (12), be provided with side direction scale (13) in the side of crossbeam, on crossbeam, also be provided with Position Scale (14) and laser lamp (15).