CN113040803A - CT detects head stop device - Google Patents

Abstract

Translated fromChinese

本发明涉及CT检测设备领域，更具体地说，涉及一种CT检测头部限位装置，包括头部限位托架、可调支撑架、定位安装架、脖颈托放架和脖颈防护罩；所述头部限位托架固定连接在所述可调支撑架上；所述可调支撑架配合连接在所述定位安装架上；所述脖颈托放架的一端固定连接在所述定位安装架上，所述脖颈托放架的另一端活动连接在所述头部限位托架上；所述脖颈托放架上配合连接有脖颈防护罩。本发明的一种CT检测头部限位装置，内部设有头部限位托架，头部限位托架可以对患者的头部进行托放并对头部的两侧进行限位，防止检测过程中头部晃动影响CT检测效果。

The invention relates to the field of CT detection equipment, and more particularly, to a CT detection head limiting device, comprising a head limiting bracket, an adjustable support frame, a positioning mounting frame, a neck support rack and a neck protective cover; The head limit bracket is fixedly connected to the adjustable support frame; the adjustable support frame is matched and connected to the positioning installation frame; one end of the neck support bracket is fixedly connected to the positioning installation The other end of the neck support rack is movably connected to the head limiting bracket; the neck support rack is matched and connected with a neck protective cover. A head limiting device for CT detection of the present invention is provided with a head limiting bracket inside, and the head limiting bracket can hold the patient's head and limit both sides of the head, preventing Head shaking during the detection process affects the CT detection effect.

Description

CT detects head stop device

Technical Field

The invention relates to the field of CT detection equipment, in particular to a head limiting device for CT detection.

Background

The brain CT examination is widely applied, provides more and more important auxiliary functions for medical diagnosis, has high examination speed and high sensitivity to fresh bleeding, and can display important pathological changes such as edema, intracranial pressure increase, secondary cerebral hernia and the like; brain CT is also suitable for diagnosing skull fracture, especially depressed fracture and skull base fracture.

When the patient is subjected to flat scanning, the head of the patient needs to be kept still, but part of the patients often lose mobility during detection, the stability of the head cannot be guaranteed, and diagnosis is seriously influenced.

Disclosure of Invention

The invention aims to provide a head limiting device for CT detection, which can support and limit the head of a patient and prevent the unstable head from influencing the CT detection effect in the detection process.

In order to achieve the purpose, the application provides a head limiting device for CT detection, which comprises a head limiting bracket, an adjustable supporting frame, a positioning and mounting frame, a neck supporting frame and a neck protecting cover; the head limiting bracket is fixedly connected to the adjustable supporting frame; the adjustable support frame is connected to the positioning mounting frame in a matching manner; one end of the neck supporting frame is fixedly connected to the positioning mounting frame, and the other end of the neck supporting frame is movably connected to the head limiting bracket; the neck supporting frame is connected with a neck protective cover in a matching way.

Optionally, the head limiting bracket comprises a head supporting plate, a memory cotton head pad, a first bidirectional screw and a head limiting stop lever; the head supporting plate is fixedly connected to the adjustable supporting frame; the middle of the top surface of the head supporting plate is fixedly connected with a memory cotton head pad; two ends of the first bidirectional screw are rotatably matched at the left end and the right end of the head supporting plate; the outer end of the first bidirectional screw is fixed with a screwing block; the running fit of first two-way screw is in two inside and outside slides at both ends about head layer board top surface, the spacing pin of head is equipped with two, and two spacing pin sliding fit of head are in two inside and outside slides, and two spacing pin of head pass through screw-thread fit at the both ends of first two-way screw.

Optionally, the head limiting stop lever comprises an L-shaped stop lever, a lifting support plate, a sliding support plate, a height-adjusting screw, a linkage transverse plate and a fixing transverse plate; the lower end of the sliding support plate is in sliding fit in the inner and outer slideways and is in threaded fit on the first bidirectional screw; the lower end of the lifting support plate is in sliding fit with the longitudinal slide way at the upper end of the sliding support plate, the top end of the lifting support plate is fixedly connected with a transverse plate of the L-shaped stop lever, a vertical plate of the L-shaped stop lever is positioned at the inner side of the sliding support plate, and a rubber pad is bonded on the vertical plate of the L-shaped stop lever; one end of the heightening screw rod is rotatably connected to the fixed transverse plate, the fixed transverse plate is fixed to the sliding support plate, the middle of the heightening screw rod is in threaded fit with the outer end of the linkage transverse plate, the middle of the linkage transverse plate is in sliding fit with the side sliding channel of the sliding support plate, and the inner end of the linkage transverse plate is fixed to the lower end of the lifting support plate.

Optionally, the head limiting stop lever further comprises a limiting pressure plate, a turning shaft, a worm wheel and a worm; one end of the limiting pressure plate is fixed on the turnover shaft, and the turnover shaft is rotatably connected to a transverse plate of the L-shaped stop lever through a bearing seat; one end of the turnover shaft is fixedly connected with a worm wheel; the worm is in meshed transmission connection with the worm wheel, and the worm is rotatably connected to the transverse plate of the L-shaped stop lever.

Optionally, the adjustable support frame comprises an adjusting rotary block, an adjusting screw, a movable transverse frame plate, a vertical strut and a guide sliding shaft; the adjusting rotating block is fixed on the adjusting screw rod; the middle part of the adjusting screw is in threaded fit with the movable cross frame plate, and the bottom of the adjusting screw is rotatably connected to the positioning mounting frame; two ends of the top surface of the movable transverse frame plate are respectively and fixedly connected with a vertical strut, and the upper ends of the two vertical struts are fixedly connected with a head supporting plate; two ends of the bottom surface of the movable transverse frame plate are respectively and fixedly connected with a guide sliding shaft, and the two guide sliding shafts are in sliding fit with the positioning mounting frame.

Optionally, the positioning and mounting frame comprises a base, a chute frame, a sliding frame, a rotating screw, a screwing wheel and a positioning assembly; the bottom of the adjusting screw rod is rotatably connected to the base; the two guide sliding shafts are in sliding fit in the longitudinal sliding grooves of the base; the chute frame is fixedly connected to one end of the base; the inner end of the sliding frame is in sliding fit with the horizontal slide way of the sliding chute frame, and the outer end of the sliding frame is in matching connection with the positioning assembly; the inner end of the rotary screw is rotatably connected to the base; the middle part of the rotating screw is in threaded transmission connection with a sliding frame so as to drive the sliding frame to horizontally slide in a horizontal slide way of the sliding chute frame; the outer end of the rotary screw is fixedly connected with a screwing wheel.

Optionally, the positioning assembly comprises a centering frame, a second bidirectional screw, a sliding clamping stop rod, a side clamping rod, a linkage sliding block, an outer baffle, a lower clamping plate, a regulating screw and a tensioning spring; the bottom surface of the centering frame is coplanar with the bottom surface of the base; the inner end of the middle frame is fixed at the outer end of the sliding frame; the left end and the right end of the middle frame are respectively matched with a sliding clamping stop rod in a sliding mode, the inner ends of the two sliding clamping stop rods are respectively fixed with a linkage sliding block, and the two linkage sliding blocks are oppositely matched with the two ends of the second bidirectional screw rod through threads; two ends of the second bidirectional screw are in rotating fit with two ends of the sliding frame, and a control rotating wheel is fixed in the middle of the second bidirectional screw; the outer end of the sliding clamping stop rod is provided with a side clamping rod; the outer end fixed connection of frame in the middle of is equipped with a plurality of vertical spouts on the outer baffle in the upper end of outer baffle, the outer end sliding fit of lower plate is in a plurality of vertical spouts, and the lower plate passes through screw-thread fit at the middle part of regulation and control screw rod, and the both ends normal running fit of regulation and control screw rod is at the inside upper and lower both ends of a vertical spout, and the cover is equipped with the tensioning spring on the bidirectional screw rod of second, the one end and the lower plate fixed connection of tensioning spring, the other end of tensioning spring and one side fixed connection of vertical spout.

Optionally, the neck supporting frame comprises a turnover supporting plate and a fixing supporting plate; one end of the overturning supporting plate is rotatably connected with one end of the fixed supporting plate; the other end of the fixed support plate is fixedly connected with one end of the base; the other end of the turnover supporting plate is provided with two side slideways, the left end and the right end of the head supporting plate are respectively provided with a side cross shaft, and the two side cross shafts are in sliding fit in the two side slideways; the overturning supporting plate is bonded with a memory cotton pad.

Optionally, the neck protection cover comprises a left protection cover, a left rack, a left limiting plate, a left transverse shaft, a left return spring, a left bearing plate, a rotating gear, a right protection cover, a right rack, a right limiting plate, a right transverse shaft, a right return spring and a right bearing plate; the outer end of the left protective cover is fixed at the outer end of the left rack, the left rack is in sliding fit in a transverse slideway in the middle of the turnover supporting plate, the inner end of the left rack is fixedly connected with a left limiting plate, the left limiting plate is in sliding fit in the middle of a left transverse shaft, and two ends of the left transverse shaft are respectively fixed at two ends in the transverse slideway through a left bearing plate; a left return spring is sleeved on the left transverse shaft, one end of the left return spring is fixed with the left limiting plate, and the other end of the left return spring is fixedly connected with a left bearing plate; the left rack is in meshed transmission connection with one side of a rotating gear, and the rotating gear is in running fit with the center inside the transverse slideway through a wheel shaft; the other side of the rotating gear is engaged with a right rack in a transmission way, the outer end of the right rack is fixedly connected with a right protective cover, and the right protective cover and the left protective cover are oppositely arranged on two sides of the turnover supporting plate; the inner end of the right rack is fixedly connected with a right limiting plate, the right limiting plate is in sliding fit with the middle of the right transverse shaft, and two ends of the right transverse shaft are respectively fixed at two ends of the inner part of the transverse slideway through a right bearing plate; a right reset spring is sleeved on the right transverse shaft, one end of the right reset spring is fixed with the right limiting plate, and the other end of the right reset spring is fixedly connected with a right bearing plate; the right limiting plate and the left limiting plate are respectively blocked at two ends of the rotating gear.

Optionally, the right protective cover and the left protective cover are respectively connected with an adjusting ejector rod through thread fit, and a rubber ejector block is fixed at one end of the adjusting ejector rod close to the head supporting plate.

The invention has the beneficial effects that:

according to the head limiting device for CT detection, the head limiting bracket is arranged in the head limiting device, the head of a patient can be supported by the head limiting bracket, the two sides of the head are limited, and the head is prevented from shaking in the detection process to influence the CT detection effect; the adjustable support frame capable of adjusting the height is adopted in the head limiting bracket, the horizontal height of the head limiting bracket can be properly adjusted, and the head of a patient is adjusted to the most comfortable position; the positioning mounting frame which can be fixed on the detection table is adopted inside, so that the invention is convenient to mount and dismount and is convenient to disinfect, sterilize or replace.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a first general schematic diagram provided in accordance with an embodiment of the present invention;

FIG. 2 is a second overall view provided in accordance with an embodiment of the present invention;

FIG. 3 is a first schematic view of a head restraint bracket according to an embodiment of the present invention;

FIG. 4 is a second schematic view of a head restraint bracket according to an embodiment of the present invention;

FIG. 5 is a first schematic view of a head restraint bar according to an embodiment of the present invention;

fig. 6 is a second schematic view of the head limiting stop lever according to the embodiment of the present invention;

FIG. 7 is a schematic view of an adjustable support stand according to an embodiment of the present invention;

FIG. 8 is a schematic view of a positioning mount provided by an embodiment of the present invention;

FIG. 9 is a schematic view of a positioning assembly provided in accordance with an embodiment of the present invention;

fig. 10 is a schematic view of a neck support frame according to an embodiment of the present invention;

fig. 11 is a schematic view of a neck guard according to an embodiment of the present invention.

Icon: a head limit bracket 1; ahead support plate 101; amemory foam pad 102; a firstbidirectional screw 103; ahead restraint bar 104; an L-shaped stop lever 104 a; thelifting plate 104 b; a slide plate 104 c; the height-adjustingscrew 104 d; alinkage cross plate 104 e; afixed cross plate 104 f; alimiting pressure plate 104 g; aturnover shaft 104 h; aworm gear 104 i; aworm 104 j; anadjustable support frame 2; an adjustingrotating block 201; an adjustingscrew 202; a movablecross frame plate 203; avertical support 204; aguide slide shaft 205; positioning themounting frame 3; abase 301; achute frame 302; acarriage 303; rotating thescrew 304; ascrewing wheel 305; apositioning component 306; acenter frame 306 a; a secondbidirectional screw 306 b; a slide catch lever 306 c; side clamping bar 306 d; alinkage slide 306 e; an outer baffle 306 f; a lower clamp plate 306 g; regulating and controlling thescrew 306 h; a tension spring 306 i; aneck support frame 4; turning over the supportingplate 401; astationary support plate 402; aneck protecting cover 5; aleft shield 501; aleft rack 502; aleft limit plate 503; a leftlateral axis 504; aleft return spring 505; aleft bearing plate 506; arotary gear 507; aright shield 508; aright rack 509; aright limit plate 510; a rightlateral axis 511; aright return spring 512; a right bearingplate 513; thepushrod 514 is adjusted.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present application, and changes or modifications in the relative relationship may be made without substantial technical changes.

The invention is described in further detail below with reference to fig. 1-11.

The first embodiment is as follows:

as shown in fig. 1-11, the head limiting device for CT detection comprises a head limiting bracket 1, anadjustable support frame 2, apositioning mounting frame 3, aneck supporting frame 4 and aneck protecting cover 5; the head limiting bracket 1 is fixedly connected to the adjustable supportingframe 2; theadjustable support frame 2 is connected to thepositioning mounting frame 3 in a matching manner; one end of theneck supporting frame 4 is fixedly connected to thepositioning mounting frame 3, and the other end of theneck supporting frame 4 is movably connected to the head limiting bracket 1; theneck supporting frame 4 is matched and connected with a neckprotective cover 5. When the head limiting device for CT detection is used, the whole body of the head limiting device can be arranged on a detection table through thepositioning mounting frame 3, so that the head limiting device is convenient to install and disassemble; during detection, the head of a patient is supported on the head limiting bracket 1, the head limiting bracket 1 can support the head of the patient and limit the two sides of the head, and the influence of head shaking on CT detection accuracy in the detection process is prevented; theadjustable support frame 2 capable of adjusting the height is adopted in the head limiting bracket, the horizontal height of the head limiting bracket 1 can be properly adjusted, and the head of a patient is adjusted to the most comfortable position; theneck protection cover 5 capable of protecting the neck of the patient is adopted inside, so that the influence of radioactive substances generated during head CT detection on cells inside the neck is reduced.

The second embodiment is as follows:

as shown in fig. 1 to 11, the head restraint bracket 1 includes ahead supporting plate 101, amemory foam pad 102, a firstbidirectional screw 103, and ahead restraint bar 104; thehead supporting plate 101 is fixedly connected to the adjustable supportingframe 2; the middle of the top surface of thehead supporting plate 101 is fixedly connected with a memorycotton head pad 102; two ends of the firstbidirectional screw 103 are rotatably matched at the left end and the right end of thehead supporting plate 101; a screwing block is fixed at the outer end of the firstbidirectional screw 103; the running fit of first two-way screw 103 is in two inside and outside slides at both ends abouthead layer board 101 top surface, headlimit stop lever 104 is equipped with two, and two head limit stop levers 104 sliding fit are in two inside and outside slides, and two head limit stop levers 104 pass through screw-thread fit at the both ends of first two-way screw 103. The cotton headrest ofmemory 102 has bonded on the insidehead layer board 101 of head stop bracket 1, can improve the travelling comfort when putting the head support, rotates firstbidirectional screw 103 and can adjust two the position ofhead stop lever 104 controls twohead stop levers 104 and is in two inside and outside slide relative sliding ofhead layer board 101 top surface or deviate from the slip to press from both sides in the both sides of patient's head through twohead stop levers 104, carry on spacingly to the both sides of patient's head, prevent that the patient from rocking the influence testing result in carrying out CT testing process head.

The head limitingstop lever 104 comprises an L-shaped stop lever 104a, alifting support plate 104b, a sliding support plate 104c, a height-adjustingscrew 104d, a linkagetransverse plate 104e and a fixingtransverse plate 104 f; the lower end of the sliding support plate 104c is in sliding fit in the inner and outer slideways, and is in threaded fit on the firstbidirectional screw 103; the lower end of thelifting support plate 104b is in sliding fit with the longitudinal slide way at the upper end of the sliding support plate 104c, the top end of thelifting support plate 104b is fixedly connected with a transverse plate of the L-shaped stop lever 104a, a vertical plate of the L-shaped stop lever 104a is positioned at the inner side of the sliding support plate 104c, and a rubber pad is bonded on the vertical plate of the L-shaped stop lever 104 a; one end of the height-adjustingscrew 104d is rotatably connected to the fixedtransverse plate 104f, the fixedtransverse plate 104f is fixed to the sliding support plate 104c, the middle of the height-adjustingscrew 104d is in threaded fit with the outer end of the linkagetransverse plate 104e, the middle of the linkagetransverse plate 104e is in sliding fit with the side sliding channel of the sliding support plate 104c, and the inner end of the linkagetransverse plate 104e is fixed to the lower end of thelifting support plate 104 b.

The riser of the L-shaped stop lever 104a inside the head limitingstop lever 104 is used for limiting and fixing the side of the head of a patient, the height of the L-shaped stop lever 104a can be adjusted by rotating the heighteningscrew 104d, the contact position of the L-shaped stop lever and the linkagetransverse plate 104e can be changed by rotating theheightening screw 104d, the linkagetransverse plate 104e drives thelifting support plate 104b to slide up and down in the longitudinal slide way at the upper end of the sliding support plate 104c, so that the L-shaped stop lever is convenient for patients with different brain shapes to use, and the L-shaped stop lever can be clamped on the side of the head of the patient according.

The head limitingstop lever 104 further comprises a limitingpressure plate 104g, aturnover shaft 104h, aworm wheel 104i and aworm 104 j; one end of the limiting pressingplate 104g is fixed on the turningshaft 104h, and the turningshaft 104h is rotatably connected to a transverse plate of the L-shapedstop lever 104a through a bearing seat; one end of theturning shaft 104h is fixedly connected with aworm gear 104 i; theworm 104j is engaged with theworm wheel 104i in a transmission connection mode, and theworm 104j is rotatably connected to the transverse plate of the L-shaped stop lever 104 a.Spacing clamp plate 104g is used for carrying out suitable card to the top of patient's head and keeps off spacingly, reduces the probability that patient's head took place to rock from top to bottom, can adjust according to different patients during the use, rotatesworm 104j and drivesworm wheel 104i and rotate, drivestrip shaft 104h whenworm wheel 104i rotates and rotates, andtrip shaft 104h drives spacingclamp plate 104g and carries out the upset regulation to controlspacing clamp plate 104g and carry out spacingly to the top of different patient's heads.

The third concrete implementation mode:

as shown in fig. 1-11, the adjustable supportingframe 2 includes an adjustingrotary block 201, an adjustingscrew 202, a movablecross frame plate 203, avertical pillar 204 and a guidingsliding shaft 205; the adjusting rotatingblock 201 is fixed on the adjustingscrew 202; the middle part of the adjustingscrew 202 is in threaded fit with the movablecross frame plate 203, and the bottom of the adjustingscrew 202 is rotatably connected to thepositioning mounting frame 3; two ends of the top surface of the movabletransverse frame plate 203 are respectively and fixedly connected with avertical strut 204, and the upper ends of the twovertical struts 204 are fixedly connected with thehead supporting plate 101; two ends of the bottom surface of the movablecross frame plate 203 are respectively and fixedly connected with aguide sliding shaft 205, and the twoguide sliding shafts 205 are in sliding fit on thepositioning mounting frame 3.Adjustable support frame 2 is used for supportinghead layer board 101, also can be used for highly adjustinghead layer board 101, and it is very convenient to adjust, rotates to adjust theturning block 201 and drives adjustingscrew 202 and rotate,changes adjusting screw 202 and the contact position of activityhorizontal shelf board 203, and activityhorizontal shelf board 203 drives direction slide-bar 205 and can drivehead layer board 101 through twoperpendicular pillars 204 and carry out elevating movement when gliding onlocation mounting bracket 3, realizes the altitude mixture control tohead layer board 101.

The fourth concrete implementation mode:

as shown in fig. 1 to 11, thepositioning mounting frame 3 includes abase 301, achute frame 302, a slidingframe 303, a rotatingscrew 304, ascrewing wheel 305 and apositioning assembly 306; the bottom of the adjustingscrew 202 is rotatably connected to thebase 301; the twoguide sliding shafts 205 are slidably fitted in the longitudinal sliding grooves of thebase 301; thechute frame 302 is fixedly connected to one end of thebase 301; the inner end of the slidingframe 303 is in sliding fit with the horizontal slide way of thesliding chute frame 302, and the outer end of the slidingframe 303 is in matching connection with apositioning component 306; the inner end of the rotatingscrew 304 is rotatably connected to thebase 301; the middle part of the rotatingscrew 304 is in threaded transmission connection with asliding frame 303 so as to drive thesliding frame 303 to horizontally slide in a horizontal slide way of thesliding chute frame 302; the outer end of the rotatingscrew 304 is fixedly connected with ascrewing wheel 305. The inside locatingcomponent 306 oflocation mounting bracket 3 is used for fixing on examining test table, and the distance between locatingcomponent 306 andbase 301 can be suitably adjusted through rotating to revolvewrong round 305, and it can driverotatory screw rod 304 and rotate to revolvewrong round 305, can drivecarriage 303 and slide in the horizontal slide ofspout frame 302 whenrotatory screw rod 304 rotates to change the distance between locatingcomponent 306 and thebase 301, be convenient for be applicable to the patient of different statures and lie and use when examining test table, adjust patient's head to best detection position.

Thepositioning assembly 306 comprises acentral frame 306a, a secondbidirectional screw 306b, a sliding stop rod 306c, a side clamping rod 306d, alinkage sliding block 306e, an outer stop plate 306f, a lower clamping plate 306g, a regulatingscrew 306h and a tension spring 306 i; the bottom surface of thecentral shelf 306a is coplanar with the bottom surface of thebase 301; the inner end of thecentral frame 306a is fixed at the outer end of the slidingframe 303; the left end and the right end of themiddle frame 306a are respectively in sliding fit with a sliding blocking rod 306c, the inner ends of the two sliding blocking rods 306c are respectively fixed with alinkage sliding block 306e, and the twolinkage sliding blocks 306e are oppositely matched at the two ends of the secondbidirectional screw 306b through threads; two ends of the secondbidirectional screw 306b are rotatably matched with two ends of the slidingframe 303, and a control rotating wheel is fixed in the middle of the secondbidirectional screw 306 b; the outer end of the sliding blocking rod 306c is provided with a side clamping rod 306 d; the outer end fixed connection offrame 306a in the middle of is equipped with a plurality of vertical spouts on the outer baffle 306f in the upper end of outer baffle 306f, lower plate 306 g's outer end sliding fit is in a plurality of vertical spouts, the lower plate passes through the middle part of screw-thread fit atregulation screw 306h,regulation screw 306 h's both ends normal running fit is at the upper and lower both ends of a vertical spout inside, the cover is equipped with tensioning spring 306i on the two-way screw 306b of second, tensioning spring 306 i's one end and lower plate 306g fixed connection, tensioning spring 306 i's the other end and the one side fixed connection of vertical spout. Thepositioning component 306 is structurally arranged, so that the positioning component can be clamped and fixed on detection tables with different widths, and thebase 301 is controlled to be always kept at the center of the detection table, so that the head of a patient is controlled to be always kept at the center of the detection table through the head limiting bracket 1, and the accuracy of a detection structure is improved conveniently; when thepositioning component 306 needs to be fixed on the detection table, firstly, the outer baffle 306f at the outer end of thecentral frame 306a is controlled to be blocked on the side face of one side of the detection table, then the two sliding blocking rods 306c are controlled to drive the two side clamping rods 306d to be blocked on the other two sides of the detection table, finally, the regulatingscrew 306h is rotated to control the lower clamping plate 306g to be pressed on the bottom face of the detection table, and thepositioning component 306 and the detection table are installed and fixed through the matching of the lower clamping plate 306g and thecentral frame 306a and the matching of the two side clamping rods 306 d; the distance between the two side clamping rods 306d can be adjusted by rotating the secondbidirectional screw 306b, and the secondbidirectional screw 306b can be rotated to drive the two sliding blocking rods 306c to move relatively or move away in themiddle frame 306a through the twolinkage sliders 306e, so that the two side clamping rods 306d are adjusted to be clamped at two sides of the detection table with different widths.

The fifth concrete implementation mode:

as shown in fig. 1 to 11, theneck holding frame 4 comprises anoverturning supporting plate 401 and afixing supporting plate 402; one end of theoverturning supporting plate 401 is rotatably connected with one end of the fixed supportingplate 402; the other end of the fixedsupport plate 402 is fixedly connected with one end of thebase 301; the other end of theoverturning supporting plate 401 is provided with two side slideways, the left end and the right end of thehead supporting plate 101 are respectively provided with a side transverse shaft, and the two side transverse shafts are in sliding fit in the two side slideways; a memory cotton pad is bonded on theoverturning supporting plate 401.Upset layer board 401 is used for supporting the neck of patient and holds in the palm putting, prevents that the neck is unsettled, and when adjusting the height ofhead layer board 101, the side cross axle athead layer board 101 both ends is in slide in two side slides ofupset layer board 401 to the contained angle between controlupset layer board 401 and the fixedextension board 402 changes, changes the inclination ofupset layer board 401, makes its more comfortable neck to the patient carry out the bearing.

The sixth specific implementation mode:

as shown in fig. 1 to 11, the neck guard 5 includes a left guard 501, a left rack 502, a left limit plate 503, a left lateral shaft 504, a left return spring 505, a left bearing plate 506, a rotating gear 507, a right guard 508, a right rack 509, a right limit plate 510, a right lateral shaft 511, a right return spring 512 and a right bearing plate 513; the outer end of the left protective cover 501 is fixed at the outer end of the left rack 502, the left rack 502 is in sliding fit in a transverse slide way in the middle of the turnover supporting plate 401, the inner end of the left rack 502 is fixedly connected with a left limiting plate 503, the left limiting plate 503 is in sliding fit in the middle of a left transverse shaft 504, and two ends of the left transverse shaft 504 are respectively fixed at two ends in the transverse slide way through a left bearing plate 506; a left return spring 505 is sleeved on the left cross shaft 504, one end of the left return spring 505 is fixed with the left limiting plate 503, and the other end of the left return spring 505 is fixedly connected with a left bearing plate 506; the left rack 502 is in meshed transmission connection with one side of a rotating gear 507, and the rotating gear 507 is in running fit with the center of the inner part of the transverse slideway through a wheel axle; the other side of the rotating gear 507 is engaged with a right rack 509 in a transmission way, the outer end of the right rack 509 is fixedly connected with a right protective cover 508, and the right protective cover 508 and the left protective cover 501 are oppositely arranged on two sides of the turnover supporting plate 401; the inner end of the right rack 509 is fixedly connected with a right limiting plate 510, the right limiting plate 510 is in sliding fit with the middle of the right cross shaft 511, and two ends of the right cross shaft 511 are respectively fixed at two ends inside the transverse slide through a right bearing plate 513; a right return spring 512 is sleeved on the right transverse shaft 511, one end of the right return spring 512 is fixed with the right limiting plate 510, and the other end of the right return spring 512 is fixedly connected with a right bearing plate 513; the right limit plate 510 and the left limit plate 503 are respectively blocked at two ends of the rotating gear 507. The neck protection cover 5 capable of protecting the neck of the patient is adopted inside, so that the influence of radioactive substances generated during head CT detection on cells inside the neck is reduced; when the left protective cover 501 and the right protective cover 508 in the neck protective cover 5 are buckled, an arc protective cover can be formed, the left protective cover 501 and the right protective cover 508 are made of elastic plastics, and the left protective cover 501 and the right protective cover 508 are coated with lead layers, so that the radiation protection effect can be improved; opening operation of neck protection casing 5 is very convenient, is convenient for to establish in patient's neck department, to outside pull left protection casing 501 or right protection casing 508 can, go on as an example in pulling left protection casing 501 opening of neck protection casing 5, to outside pull left protection casing 501 can drive left rack 502 to move to the outside, left rack 502 drives left limiting plate 503 and slides on left cross axle 504 and carry out the compression to left reset spring 505 and simultaneously can drive right rack 509 to move to the outside through rotatory gear 507 meshing transmission, right rack 509 drives right limiting plate 510 and slides on right cross axle 511 and can drive right protection casing 508 to move to the outside to the compression of right reset spring 512, thereby realize opening of right protection casing 508 and left protection casing 501, after patient's neck and upset layer board 401 contact, slowly loosen left protection casing 501, inside left protection casing 501 and right protection casing 508 of neck protection casing 5 are closed under the spring action of left reset spring 505 and right reset spring 512 And (6) mixing.

An adjustingejector rod 514 is connected to the rightprotective cover 508 and the leftprotective cover 501 through thread matching, and a rubber ejector block is fixed to one end, close to thehead supporting plate 101, of the adjustingejector rod 514. The position that adjusts theejector pin 514 and can adjust the rubber kicking block rotates, can control the rubber kicking block roof pressure in patient's chin department to carry out spacingly to patient's head, unable removal head when cooperation head spacing bracket 1 makes the patient carry out CT and detects is favorable to improving the accuracy that detects.

The principle is as follows: when the head limiting device for CT detection is used, the whole body of the head limiting device can be arranged on a detection table through thepositioning mounting frame 3, so that the head limiting device is convenient to install and disassemble; during detection, the head of a patient is supported on the head limiting bracket 1, the head limiting bracket 1 can support the head of the patient and limit the two sides of the head, and the influence of head shaking on CT detection accuracy in the detection process is prevented; theadjustable support frame 2 capable of adjusting the height is adopted in the head limiting bracket, the horizontal height of the head limiting bracket 1 can be properly adjusted, and the head of a patient is adjusted to the most comfortable position; theneck protection cover 5 capable of protecting the neck of the patient is adopted inside, so that the influence of radioactive substances generated during head CT detection on cells inside the neck is reduced.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims (10)

1. CT detects head stop device, its characterized in that: comprises a head limiting bracket (1), an adjustable supporting frame (2), a positioning mounting frame (3), a neck supporting frame (4) and a neck protective cover (5); the head limiting bracket (1) is fixedly connected to the adjustable support frame (2); the adjustable support frame (2) is connected to the positioning mounting frame (3) in a matching manner; one end of the neck supporting frame (4) is fixedly connected to the positioning mounting frame (3), and the other end of the neck supporting frame (4) is movably connected to the head limiting bracket (1); the neck supporting frame (4) is connected with a neck protective cover (5) in a matching way.
2. 2. The CT detection head restraint of claim 1, wherein: the head limiting bracket (1) comprises a head supporting plate (101), a memory cotton head pad (102), a first bidirectional screw (103) and a head limiting stop lever (104); the head supporting plate (101) is fixedly connected to the adjustable supporting frame (2); the middle of the top surface of the head supporting plate (101) is fixedly connected with a memory cotton head pad (102); two ends of the first bidirectional screw (103) are rotatably matched at the left end and the right end of the head supporting plate (101); a screwing block is fixed at the outer end of the first bidirectional screw (103); the running fit of first two-way screw rod (103) is in two inside and outside slides at both ends about head layer board (101) top surface, head limit stop lever (104) are equipped with two, and two head limit stop lever (104) sliding fit are in two inside and outside slides, and two head limit stop lever (104) pass through screw-thread fit at the both ends of first two-way screw rod (103).
3. 3. The CT-testing head restraint of claim 2, wherein: the head limiting stop lever (104) comprises an L-shaped stop lever (104a), a lifting support plate (104b), a sliding support plate (104c), a height-adjusting screw rod (104d), a linkage transverse plate (104e) and a fixing transverse plate (104 f); the lower end of the sliding support plate (104c) is in sliding fit in the inner and outer slideways and is in threaded fit on the first bidirectional screw (103); the lower end of the lifting support plate (104b) is in sliding fit with the longitudinal slide way at the upper end of the sliding support plate (104c), the top end of the lifting support plate (104b) is fixedly connected with a transverse plate of the L-shaped stop lever (104a), the vertical plate of the L-shaped stop lever (104a) is positioned at the inner side of the sliding support plate (104c), and a rubber pad is bonded on the vertical plate of the L-shaped stop lever (104 a); one end of the heightening screw rod (104d) is rotatably connected to the fixed transverse plate (104f), the fixed transverse plate (104f) is fixed to the sliding support plate (104c), the middle of the heightening screw rod (104d) is in threaded fit with the outer end of the linkage transverse plate (104e), the middle of the linkage transverse plate (104e) is in sliding fit with the side slide of the sliding support plate (104c), and the inner end of the linkage transverse plate (104e) is fixed to the lower end of the lifting support plate (104 b).
4. 4. The CT detection head restraint of claim 3, wherein: the head limiting stop lever (104) further comprises a limiting pressure plate (104g), a turnover shaft (104h), a worm wheel (104i) and a worm (104 j); one end of the limiting pressing plate (104g) is fixed on the overturning shaft (104h), and the overturning shaft (104h) is rotatably connected to a transverse plate of the L-shaped stop lever (104a) through a bearing seat; one end of the turning shaft (104h) is fixedly connected with a worm wheel (104 i); the worm (104j) is in meshed transmission connection with a worm wheel (104i), and the worm (104j) is rotatably connected to a transverse plate of the L-shaped stop lever (104 a).
5. 5. The CT detection head restraint of claim 4, wherein: the adjustable support frame (2) comprises an adjusting rotary block (201), an adjusting screw rod (202), a movable transverse frame plate (203), a vertical strut (204) and a guide sliding shaft (205); the adjusting rotating block (201) is fixed on the adjusting screw rod (202); the middle part of the adjusting screw rod (202) is in threaded fit with the movable transverse frame plate (203), and the bottom of the adjusting screw rod (202) is rotatably connected to the positioning mounting frame (3); two ends of the top surface of the movable transverse frame plate (203) are respectively and fixedly connected with a vertical strut (204), and the upper ends of the two vertical struts (204) are fixedly connected with the head supporting plate (101); two ends of the bottom surface of the movable transverse frame plate (203) are respectively and fixedly connected with a guide sliding shaft (205), and the two guide sliding shafts (205) are in sliding fit on the positioning mounting frame (3).
6. 6. The CT detection head restraint of claim 5, wherein: the positioning mounting frame (3) comprises a base (301), a sliding groove frame (302), a sliding frame (303), a rotating screw (304), a screwing wheel (305) and a positioning assembly (306); the bottom of the adjusting screw rod (202) is rotatably connected to the base (301); the two guide sliding shafts (205) are in sliding fit in the longitudinal sliding grooves of the base (301); the chute frame (302) is fixedly connected to one end of the base (301); the inner end of the sliding frame (303) is in sliding fit with the horizontal slide way of the sliding groove frame (302), and the outer end of the sliding frame (303) is in sliding fit with a positioning component (306); the inner end of the rotary screw rod (304) is rotatably connected to the base (301); the middle part of the rotating screw (304) is in threaded transmission connection with a sliding frame (303) so as to drive the sliding frame (303) to horizontally slide in a horizontal slide way of the slide groove frame (302); the outer end of the rotating screw (304) is fixedly connected with a screwing wheel (305).
7. 7. The CT detection head restraint of claim 6, wherein: the positioning assembly (306) comprises a middle frame (306a), a second bidirectional screw (306b), a sliding blocking rod (306c), a side clamping rod (306d), a linkage sliding block (306e), an outer baffle (306f), a lower clamping plate (306g), a regulating screw (306h) and a tensioning spring (306 i); the bottom surface of the central shelf (306a) is coplanar with the bottom surface of the base (301); the inner end of the middle frame (306a) is fixed at the outer end of the sliding frame (303); the left end and the right end of the middle frame (306a) are respectively in sliding fit with a sliding clamping stop lever (306c), the inner ends of the two sliding clamping stop levers (306c) are respectively fixed with a linkage sliding block (306e), and the two linkage sliding blocks (306e) are oppositely matched with the two ends of the second bidirectional screw (306b) through threads; two ends of the second bidirectional screw (306b) are rotatably matched with two ends of the sliding frame (303), and a control rotating wheel is fixed in the middle of the second bidirectional screw (306 b); the outer end of the sliding blocking rod (306c) is provided with a side clamping rod (306 d); the outer end fixed connection of frame (306a) in the middle of being equipped with a plurality of vertical spouts on outer baffle (306f), the outer end sliding fit of lower plate (306g) is in a plurality of vertical spouts, the lower plate passes through the middle part of screw-thread fit at regulation and control screw rod (306h), the both ends normal running fit of regulation and control screw rod (306h) is at the inside upper and lower both ends of a vertical spout, the cover is equipped with tensioning spring (306i) on the two-way screw rod of second (306b), the one end and the lower plate (306g) fixed connection of tensioning spring (306i), the other end and the one side fixed connection of vertical spout of tensioning spring (306 i).
8. 8. The CT detection head restraint of claim 6, wherein: the neck supporting frame (4) comprises an overturning supporting plate (401) and a fixing supporting plate (402); one end of the overturning supporting plate (401) is rotatably connected with one end of the fixed supporting plate (402); the other end of the fixed support plate (402) is fixedly connected to one end of the base (301); the other end of the turnover supporting plate (401) is provided with two side slideways, the left end and the right end of the head supporting plate (101) are respectively provided with a side cross shaft, and the two side cross shafts are in sliding fit in the two side slideways; a memory cotton pad is bonded on the overturning supporting plate (401).
9. 9. The CT detection head restraint of claim 8, wherein: the neck protection cover (5) comprises a left protection cover (501), a left rack (502), a left limiting plate (503), a left transverse shaft (504), a left return spring (505), a left bearing plate (506), a rotating gear (507), a right protection cover (508), a right rack (509), a right limiting plate (510), a right transverse shaft (511), a right return spring (512) and a right bearing plate (513); the outer end of the left protective cover (501) is fixed at the outer end of the left rack (502), the left rack (502) is in sliding fit in a transverse slideway in the middle of the turnover supporting plate (401), the inner end of the left rack (502) is fixedly connected with a left limiting plate (503), the left limiting plate (503) is in sliding fit in the middle of a left transverse shaft (504), and two ends of the left transverse shaft (504) are fixed at two ends in the transverse slideway through a left bearing shaft plate (506) respectively; a left return spring (505) is sleeved on the left transverse shaft (504), one end of the left return spring (505) is fixed with the left limiting plate (503), and the other end of the left return spring (505) is fixedly connected with a left bearing shaft plate (506); the left rack (502) is in meshed transmission connection with one side of a rotating gear (507), and the rotating gear (507) is in running fit with the center of the inner part of the transverse slideway through a wheel axle; the other side of the rotating gear (507) is engaged with a right rack (509) in a transmission way, the outer end of the right rack (509) is fixedly connected with a right protective cover (508), and the right protective cover (508) and the left protective cover (501) are oppositely arranged on two sides of the turnover supporting plate (401); the inner end of the right rack (509) is fixedly connected with a right limiting plate (510), the right limiting plate (510) is in sliding fit with the middle of a right transverse shaft (511), and two ends of the right transverse shaft (511) are fixed at two ends of the inner part of the transverse slideway through a right bearing plate (513); a right return spring (512) is sleeved on the right transverse shaft (511), one end of the right return spring (512) is fixed with the right limiting plate (510), and the other end of the right return spring (512) is fixedly connected with a right bearing shaft plate (513); the right limiting plate (510) and the left limiting plate (503) are respectively blocked at two ends of the rotating gear (507).
10. 10. The CT-testing head restraint of claim 9, wherein: the right protective cover (508) and the left protective cover (501) are respectively connected with an adjusting ejector rod (514) through thread fit, and one end of the adjusting ejector rod (514) close to the head supporting plate (101) is fixed with a rubber ejector block.

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