CN203447652U - Height adjustment device used in a mask fixation support - Google Patents
Height adjustment device used in a mask fixation support Download PDFInfo
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- CN203447652U CN203447652U CN201320511206.1U CN201320511206U CN203447652U CN 203447652 U CN203447652 U CN 203447652U CN 201320511206 U CN201320511206 U CN 201320511206U CN 203447652 U CN203447652 U CN 203447652U
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- screw rod
- jib
- height
- pillow plate
- base
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Abstract
The utility model provides a height adjustment device used in a mask fixation support. The height adjustment device is applied in the field of radiation treatment. The height adjustment device includes a bottom seat, a base plate, a screw rod, two heads of which are provided with threads, a round fixation knob group, and two internally rotated support arms, wherein scale marks are marked at two sides of a horizontal bottom seat in two ways, and the scale marks are respectively used for marking an adjustment angle and an adjustment height. Two sides of the horizontal bottom seat are connected by the screw rod with threads at two heads, so that an effect of adjusting two side support arms synchronously and stabling the entire device are obtained. The internally rotated support arms employ rotation toward an internal lower side, the movement range is defined in the fixation device, so as to support and adjust the mask arranged on the internally rotated support arms, so that positioning lasers are prevented from being shielded since the support arms protrude out of the entire fixation device. The two sides of the support arms are respectively connected with the screw rod with threads at two heads for fixation and adjustment. The height adjustment device is stable, since the entire device is in a triangle shape.
Description
Technical field
A kind of arrangement for adjusting height that will use when this utility model relates to and will put accurately when radiotherapy, belongs to medical instruments field.
Background technology
X-ray equipment has been indispensable main equipment in modern medical service, no matter is aspect patient's diagnosis, or aspect patient's treatment, x-ray equipment is all being brought into play very important effect.Conventional diagnostic device such as CT, stomach and intestine machine, therapeutic equipment such as linear accelerator etc. are all to utilize the X ray of different-energy patient is diagnosed and treat.But well-known, X ray more or less all human body is existed to certain injury effect, the dosage that is irradiated to the X ray on human body is larger, also just larger to the injury of human body, the injury of the x-ray bombardment of same dose when human body different parts is also not quite similar.
Clinac is as the most general current radiotherapy equipment, applied in the medical institutions that great majority have radiotherapy function.It not only can provide different-energy level other X ray, also can provide different-energy level other electric wire, and therefore, we must go as much as possible to protect the normal structure of human body when utilizing linear accelerator to disease treatment.Clinac, can be for former or the secondary tumor at the positions such as head and neck, thoracic cavity, pelvic cavity, extremity when carrying out conventional radiotherapy, and the treatment of postoperative residual tumor and preoperative oncotherapy etc.
When utilizing linear accelerator to treat patient, of paramount importance step is that patient's the therapentic part that is subject to is put to position, guarantees that actual therapeutic position and dosage can reach the setting for the treatment of plan, therefore with this, pendulum position accurately whether, will directly affect radiocurable effect.In addition,, when design radiotherapy treatment planning, while particularly designing three-dimensional conformal and intensity modulated radiation therapy plan, the simulation degree of accuracy in target region shape region is also directly being determined to the quality of radiotherapy treatment planning itself.Comprehensive above 2 can illustrate, an outstanding clinac, not only to make the X ray and the electric wire that produce reach dosage accurately and stablize, on also will be fixing to the simulating shape at exposure position and position, reach very high degree of accuracy, could carry out correct treatment to patient's the therapentic part of answering.
Pendulum position is as radiocurable important step, and mode is simpler, and it is easier to operate, and the accuracy of pendulum position is also just higher.At present, in radiation therapy process, pendulum position device, according to the difference of therapentic part, can be divided into the fixtures such as the headstock, phantom, web, face shield.Common pendulum position mode is to allow be placed in the cross laser line of linear accelerator both sides and dead ahead, and 3 coincidences of existing telltale mark point on face shield or phantom, just can confirm as pendulum position correctly.Telltale mark point is definite center, target area gauge point behind previous CT location and analog machine location, and the central point of three cross laser lines coincides with under the collimator of linear accelerator.
For the radiotherapy of incidence, in order better accurately to locate, usually need a mask fixing device, bear head weight, adjust head inclination angle, face shield is connect fixing simultaneously.But existing fixture usually runs into following defect and problem: location and the adjusting of (1) height are inconvenient, because it is to carry out adjusting angle by turn adjusting knob, again regulated angle is identified to the side of jib, directly perceived so not, be also inconvenient to regulate; (2), owing to being the support of circular arc, if fixing not firm, when pressure is slightly large, easily down sliding, causes larger position error; (3) problem that locating laser line is blocked by the jib structure of existing mask fixing device, this brings negative effect to the degree of accuracy of pendulum position, also to clinical position, brings many difficulty.
Practical fresh content
For the problems referred to above, this utility model a kind of radiotherapy mask fixing device of inward turning type, radiotherapy arrangement for adjusting height, the both sides of device identify respectively the graduation mark of height and angle, to cater to different doctors' the scale of seeing, be accustomed to, and adopt this rock-steady structure of triangle to make device more stable, adopt inward turning mode to avoid blocking laser positioning line behind its outstanding top.
In order to achieve the above object, can use following scheme:
This utility model provides a kind of arrangement for adjusting height for face shield fixed mount, comprise: the be rectangle base of hollow out of centre, the be rectangle pillow plate of hollow out of centre, the screwed screw rod in two ends, for fixing a pair of knob and jib, form, one end that the lower end of pillow plate is supported on base forms around the free end with base rotation, the both sides that the centre of base is the part of hollow out are respectively arranged with chute, the screwed two ends of screw rod are respectively through chute, the lower end of jib is fixed on the two ends of screw rod, knob is arranged on respectively the two ends of screw rod, and match with the screw thread at screw rod two ends, the upper end of jib is combined and is formed the free end rotating with the upper end of pillow plate, wherein, unclamp knob, movement by screw rod on chute is for the angle of inclination of adjusting pillow plate and the height of jib, tightening knob fixes jib and the position of pillow plate.
Further, in the both sides of base, be provided with on the relative position of chute and be respectively arranged with angle index sign and height identification, when resting the head on plate and adjusting certain angle, the height that corresponding pillow plate and the place, top that jib is connected are located.
The effect of utility model and effect
A kind of arrangement for adjusting height for face shield fixed mount that this utility model provides, movement by screw rod on chute is for the angle of inclination of adjusting pillow plate and the height of jib, adopt inner-rotary type regulative mode, can avoid jib evagination to block the problem of position line.Height and angle are all directly marked on base, can be so that regulate more convenient, adopt a screwed screw rod in two ends to connect the jib of both sides, by tightening the circular fixed knob of both sides, make base and jib clamp and be fixed on regulated scale place, this triangle fixed form, makes whole device more firm.In the process for the treatment of and plan, the arrangement for adjusting height of face shield fixed mount can play support fixation, by regulate the obliquity of top pillow plate simultaneously, regulates the height of head position.With existing device comparison, this device is having greatly improved aspect the intuitive of stability and scale.Adopt two kinds of scale markers to facilitate different medical workers' custom reading mode, also removed the miscellaneous work of the conversion between angle and height simultaneously from.Adopt the jib of the synchronous both sides of screw rod, guarantee that the height and the angle that regulate are corresponding.In addition, jib employing inward turning mode can be so that position line be blocked.
Accompanying drawing explanation
Fig. 1 is the oblique view of the arrangement for adjusting height of face shield fixed mount.
The specific embodiment
Below in conjunction with accompanying drawing, the detail of the related a kind of arrangement for adjusting height for face shield fixed mount of this utility model has been done to detailed explanation.
Fig. 1 is the oblique view of the arrangement for adjusting height of face shield fixed mount.
As shown in Figure 1, the arrangement for adjusting height 100 of face shield fixed mount comprises: be rectangle main the rising of base 101 of hollow out of centre connects and supporting function, the be rectangle pillow plate 102 of hollow out of centre, be used for laying pillow bracket, the screwed screw rod 103 in two ends, for fixing a pair of knob 104 and jib 105, form, one end that the lower end of pillow plate 102 is supported on base 101 forms around the free end with base 101 rotations, the both sides that the centre of base 101 is the part of hollow out are respectively arranged with chute, the screwed two ends of screw rod 103 are respectively through chute, the lower end of jib 105 is fixed on the two ends of screw rod 103, knob 104 is arranged on respectively the two ends of screw rod, and match with the screw thread at screw rod two ends, the upper end of jib 105 is combined and is formed the free end rotating with the upper end of pillow plate 102.Due to the geometrical relationship of pillow plate 102 with jib 105, determined the scope of the anglec of rotation and the altitude range of jib 105 stretching, extensions of pillow plate 102.When unclamping knob 104, the movement by screw rod 103 on chute is for the angle of inclination of adjusting pillow plate 102, thus the height of adjusting jib 105.Tighten knob 104 and make to compress jib 105, base 101, thereby jib 105 is fixed with the position of pillow plate 102.By mobile screw 103, the angle of inclination of resting the head on plate 102 is changed, thereby the height of jib 105 also changes thereupon, the adjusting of the arrangement for adjusting height 100 of face shield fixed mount partly adopts the mode of inward turning, be the method for inward collapsible, can be not projected into whole fixture 100 outsides and block the puzzlement of locating laser line for radiotherapy so that do not have jib 105 with this regulative mode.
What because the arrangement for adjusting height 100 of face shield fixed mount is whole, adopt is exactly triangular structure, and this structure can not slided easily.Make in the process of simulation location and treatment locating effect better, treatment degree of accuracy is higher.In the both sides of base 101, be provided with on the relative position of chute, the position with respect to pillow plate 102 is respectively arranged with angle index sign and height identification, while resting the head on plate adjustment certain angle, and the height at the place, place, top that corresponding pillow plate and jib are connected.
Scale marker is on the position of the both sides in horizontal base 101, the definite of angle index is based on: pillow plate 102 is often raised 1 degree angle, pillow plate 102 drives the linear slide variable in distance of screw rod 103 in chute groove by jib 105, this variation length is just reflected in distance corresponding on base, 1 degree that is angle with regard to marking.Height identification according to being: according to pillow plate 102, often raise the height of 1 centimetre, the distance of institute's screw rod that drives 103 movement on base, marking is highly 1 centimetre.
In radiotherapy, be applied to the concrete implementation and operation process of the arrangement for adjusting height 100 of face shield fixed mount, be divided into following step:
Step S1-101:
The arrangement for adjusting height of face shield fixed mount 100 is fixed on to therapeutic bed front end.
Step S1-102:
While needing to adjust the angle of pillow plate 102, the circular fixed knob 104 of both sides is unscrewed.
Step S1-103:
With two handss, grab the knob 104 of both sides, simultaneously horizontal turn drives the movement of screw rod 102 to regulate height simultaneously.
Step S1-104:
When indicatrix indicating graduation reaches needed numerical value, stop resting the head on raising of plate 102.
Step S1-105:
Screw the circular fixed knob 104 of base 101 both sides, compress jib 105, base 101.While not needing adjusting pillow plate 102 angle, directly fixed knob 104 is screwed.
Step S1-106:
Pillow bracket is put into the groove of pillow plate 102, after the best position of patient sets, face shield is fixed on pillow plate 102 by pillow bracket.If do not need face shield, need not fix, but will guarantee that patient exposure position remains static.
Step S1-107
Whether the arrangement for adjusting height 100 that checks whole face shield fixed mount is fixing, if fixing, can use.
Claims (2)
1. the arrangement for adjusting height for face shield fixed mount, comprise: the be rectangle base of hollow out of centre, the be rectangle pillow plate of hollow out of centre, the screwed screw rod in two ends, for fixing a pair of knob and jib, one end that the lower end of described pillow plate is supported on base forms around the free end with base rotation, the both sides that the centre of described base is the part of hollow out are respectively arranged with chute, the screwed two ends of described screw rod are respectively through described chute, the lower end of described jib is fixed on the two ends of described screw rod, described knob is arranged on respectively the two ends of described screw rod, and match with the screw thread at described screw rod two ends, the free end that forms rotation is combined in the upper end of described jib with the upper end of described pillow plate, and face shield is fixed on to described pillow plate,
Wherein, unclamp described knob, the movement by described screw rod on described chute is for regulating the angle of inclination of described pillow plate and the height of jib; Tighten described knob, make knob compress described jib and described base, thereby the position of jib and pillow plate is fixed.
2. arrangement for adjusting height according to claim 1, is characterized in that:
Wherein, be provided with on the relative position of chute be respectively arranged with angle index sign and height identification in the both sides of described base, height identification be when described pillow plate is adjusted certain angle, the height that the place, top that corresponding pillow plate and jib are connected is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320511206.1U CN203447652U (en) | 2013-08-21 | 2013-08-21 | Height adjustment device used in a mask fixation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320511206.1U CN203447652U (en) | 2013-08-21 | 2013-08-21 | Height adjustment device used in a mask fixation support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203447652U true CN203447652U (en) | 2014-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320511206.1U Expired - Fee Related CN203447652U (en) | 2013-08-21 | 2013-08-21 | Height adjustment device used in a mask fixation support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203447652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107981765A (en) * | 2017-12-30 | 2018-05-04 | 沈阳工业大学 | Hand self energy rotational energy is anteflexion back-rubbing machine |
| CN112837607A (en) * | 2021-01-06 | 2021-05-25 | 朱剑蓉 | Multi-adjustment symmetrical book labeling device |
-
2013
- 2013-08-21 CN CN201320511206.1U patent/CN203447652U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107981765A (en) * | 2017-12-30 | 2018-05-04 | 沈阳工业大学 | Hand self energy rotational energy is anteflexion back-rubbing machine |
| CN112837607A (en) * | 2021-01-06 | 2021-05-25 | 朱剑蓉 | Multi-adjustment symmetrical book labeling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20140821 |
|
| EXPY | Termination of patent right or utility model |