CN211796539U

CN211796539U - Positioning and clamping device for head CT diagnosis

Info

Publication number: CN211796539U
Application number: CN201922078861.2U
Authority: CN
Inventors: 马炳莲; 陆宝刚; 王和斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-10-30
Anticipated expiration: 2029-11-27

Abstract

The utility model relates to the technical field of medical equipment, and a head CT diagnoses and uses location clamping device is disclosed, including the bed board, the middle part on bed board top is equipped with the headrest, the top of headrest is equipped with the cushion, set up the activity groove that is located the headrest both sides on the bed board, and the middle part fixed mounting of bed board bottom has the mount, the bottom fixed mounting of mount has the motor. This head CT diagnosis is with location clamping device, it rotates to drive the epaxial first connecting rod of commentaries on classics through controller starter motor, utilize the limiting plate to the spacing of removing the seat, make first connecting rod rotate two second connecting rod relative motion that drive its both ends, thereby drive two on the limiting plate and remove seat relative motion, and then drive two and remove the splint relative motion on the seat support, can realize fixed to the centre gripping of patient's head, avoid patient's head to appear rocking the circumstances such as and influence the problem emergence of inspection result in CT inspection process.

Description

Positioning and clamping device for head CT diagnosis

Technical Field

The utility model relates to the technical field of medical equipment, specifically a head CT is diagnostic with location clamping device.

Background

CT is electronic computer tomography, it utilizes accurate collimated X-ray beam, gamma ray, ultrasonic wave, etc., and the detector with extremely high sensitivity makes the section scanning around a certain position of the human body one by one together, it has fast characteristic of scanning time, the picture is clear, can be used for the inspection of many diseases; the following can be classified according to the radiation used: x-ray CT (X-CT), and gamma-ray CT (gamma-CT).

In the CT diagnosis process of the head of the patient, if the head of the patient shakes or shifts, artifacts of the image are easily caused, which affects the image quality and thus the accuracy of the examination result.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a head CT is diagnostic with location clamping device possesses and to carry out the fixed advantage of centre gripping to the patient head, has solved in the CT diagnostic process of patient head, if when the condition such as rock, skew appear in patient's head, leads to the artifact of image easily, influences image quality to influence the problem of inspection result accuracy.

The utility model provides a following technical scheme: a positioning and clamping device for head CT diagnosis comprises a bed plate, wherein a headrest is arranged in the middle of the top of the bed plate, a cushion is arranged at the top of the headrest, movable grooves are formed in the two sides of the headrest on the bed plate, a fixed frame is fixedly arranged in the middle of the bottom of the bed plate, a motor is fixedly arranged at the bottom of the fixed frame, a partition plate is arranged in the middle of the fixed frame, a rotating shaft is fixedly sleeved on an output shaft of the motor, one end of the rotating shaft is movably sleeved with the bottom of the partition plate, a first connecting rod is fixedly sleeved in the middle of the rotating shaft, supporting frames are fixedly arranged on the two sides of the bottom of the bed plate, a limiting plate is fixedly connected between the two supporting frames, moving seats are movably sleeved at the two ends of the limiting plate, a connecting shaft is fixedly connected to the bottom of the moving seats, the top fixedly connected with support of removal seat, the one end fixedly connected with at support top is located the side splint of headrest one side top.

Preferably, the cavity has been seted up to the inboard of side splint, the inside movable sleeve of cavity is equipped with the spring, the one end fixedly connected with flexible post of spring, the one end of flexible post extends to the outside of side splint and fixed mounting has the flexible pad, the inboard middle part of flexible pad is equipped with pressure sensor.

Preferably, two ends of the first connecting rod are movably sleeved with two fixed shafts at the bottom of one end of the two second connecting rods respectively.

Preferably, the support is L-shaped, and the bottom of the support is movably sleeved in a movable groove formed in the bed plate.

Preferably, one end of the spring is fixedly connected to the inner wall of the cavity, and the telescopic column is movably sleeved inside the cavity.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this head CT diagnosis is with location clamping device, it rotates to drive the epaxial first connecting rod of commentaries on classics through controller starter motor, utilize the limiting plate to the spacing of removing the seat, make first connecting rod rotate two second connecting rod relative motion that drive its both ends, thereby drive two on the limiting plate and remove seat relative motion, and then drive two and remove the splint relative motion on the seat support, can realize fixed to the centre gripping of patient's head, avoid patient's head to appear rocking the circumstances such as and influence the problem emergence of inspection result in CT inspection process.

2. This head CT diagnosis is with location clamping device, but through the flexible pad that is located the inboard multiunit elasticity flexible with patient's head contact surface of side splint, in the use, but on the one hand the not equidimension of adaptation and the centre gripping of shape patient's head are fixed, on the other hand also can improve patient's travelling comfort, and this device sets up multiunit pressure sensor through stacking up at the flexibility of side splint, can be when utilizing the side splint to carry out the centre gripping to patient's head, monitor it, thereby when pressure sensor perception is pressure, in time and the self-closing motor, avoid the side splint to cause excessive extrusion to patient's head, this device degree of automation is high, high durability and convenient use, can carry out the centre gripping to different patient's heads automatically.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the side clamping plate of the structure of the utility model.

In the figure: 1. a bed board; 2. a headrest; 3. a soft cushion; 4. a movable groove; 5. a fixed mount; 6. a motor; 7. a partition plate; 8. a rotating shaft; 9. a first link; 10. a fixed shaft; 11. a second link; 12. a support frame; 13. a limiting plate; 14. a movable seat; 15. a connecting shaft; 16. a support; 17. a side clamping plate; 171. a cavity; 172. a spring; 173. a telescopic column; 174. a flexible pad; 175. a pressure sensor; 18. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a positioning and clamping device for head CT diagnosis comprises a bed plate 1, a headrest 2 is disposed at the middle of the top of the bed plate 1, a soft cushion 3 is disposed at the top of the headrest 2, a movable groove 4 is disposed on the bed plate 1 and located at two sides of the headrest 2, a fixed frame 5 is fixedly disposed at the middle of the bottom of the bed plate 1, a motor 6 is fixedly disposed at the bottom of the fixed frame 5, a partition plate 7 is disposed at the middle of the fixed frame 5, a rotating shaft 8 is fixedly sleeved on an output shaft of the motor 6, one end of the rotating shaft 8 is movably sleeved with the bottom of the partition plate 7, a first connecting rod 9 is fixedly sleeved at the middle of the rotating shaft 8, support frames 12 are fixedly disposed at two sides of the bottom of the bed plate 1, a limiting plate 13 is fixedly connected between the two support frames 12, a movable seat 14 is movably sleeved at two, the bottom of the second connecting rod 11 far from the end of the connecting shaft 15 is fixedly connected with a fixed shaft 10, the top of the movable seat 14 is fixedly connected with a bracket 16, and one end of the top of the bracket 16 is fixedly connected with a side splint 17 positioned above one side of the headrest 2.

Wherein, the cavity 171 is opened on the inner side of the side splint 17, the spring 172 is movably sleeved in the cavity 171, one end of the spring 172 is fixedly connected with the telescopic column 173, one end of the telescopic column 173 extends to the outer part of the side splint 17 and is fixedly provided with the flexible pad 174, the middle part of the inner side of the flexible pad 174 is provided with the pressure sensor 175, the controller 18 is connected with the motor 6 and the pressure sensor 175, the distance between the side splint 17 and the head of the patient is monitored by the pressure sensor 175, namely when the pressure sensor 175 on the flexible pad 174 on the inner side of the side splint 17 detects the pressure, the data information is fed back to the controller 18, the motor 6 is closed by the rapid response of the controller 18, the side splint 17 which clamps the head of the patient by the relative motion stops moving at the moment, the automatic clamping and fixing action of the head of the side splint 17 can be, is convenient to use.

Wherein, the both ends of first connecting rod 9 cup joint with two fixed axles 10 activity of two second connecting rods 11 one end bottoms respectively, drive first connecting rod 9 through starter motor 6 and rotate, and the both ends of first connecting rod 9 rotate and drive the relative or opposite motion of two second connecting rods 11 on the fixed axle 10 of two second connecting rods 11 one end bottoms to it is horizontal migration to drive the removal seat 14 on the connecting axle 15 of two second connecting rods 11 one end on limiting plate 13.

The support 16 is L-shaped, the bottom of the support 16 is movably sleeved in the movable groove 4 formed in the bed plate 1, and the movable groove 4 formed in the bed plate 1 is utilized to facilitate the movement of the support 16 and limit the longitudinal position of the support 16.

Wherein, the one end fixed connection of spring 172 is on the inner wall of cavity 171, flexible post 173 activity suit is in the inside of cavity 171, utilize spring 172, can drive flexible post 173 flexible at the cavity 171 internalization, thereby it is flexible to drive the flexible pad 174 elasticity of flexible post 173 one end, and then drive the centre gripping in-process of side splint 17 removal to the patient head at motor 6, carry out elastic buffer to the rigid contact of side splint 17 and patient head, help the protection to the patient head, and improve the travelling comfort when patient head centre gripping is fixed.

The working principle is as follows: firstly, the head of a patient is placed on the soft cushion 3 of the headrest 2, then, the starting motor 6 drives the first connecting rod 9 on the rotating shaft 8 to rotate, the limit of the limiting plate 13 on the moving seat 14 is utilized, the first connecting rod 9 rotates to drive the two second connecting rods 11 at the two ends to move relatively, so as to drive the two moving seats 14 on the limiting plate 13 to move relatively, and further drive the side clamping plates 17 on the brackets 16 of the two moving seats 14 to move relatively, finally, in the process that the relative movement of the side clamping plates 17 is close to the head of the patient, the flexible cushion 174 at the inner side of the side clamping plates 17 contacts with the head of the patient at first, when the flexible cushion 174 is extruded with the head of the patient, the pressure between the flexible cushion 174 and the head of the patient drives the telescopic column 173 at one end of the flexible cushion 174 to contract into the cavity 171 and extrude the spring 172, when the pressure sensor 175 on the flexible cushion 174 senses the pressure, the pressure, the controller 18 quickly responds to the turning off of the motor 6, and the side clamping plate 17 stops moving, so that the head of the patient can be clamped and fixed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a head CT diagnosis is with location clamping device, includes bed board (1), its characterized in that: the middle part of the top end of the bed plate (1) is provided with a headrest (2), the top of the headrest (2) is provided with a cushion (3), the bed plate (1) is provided with movable grooves (4) positioned at two sides of the headrest (2), the middle part of the bottom end of the bed plate (1) is fixedly provided with a fixed frame (5), the bottom of the fixed frame (5) is fixedly provided with a motor (6), the middle part of the fixed frame (5) is provided with a baffle (7), an output shaft of the motor (6) is fixedly sleeved with a rotating shaft (8), one end of the rotating shaft (8) is movably sleeved with the bottom of the baffle (7), the middle part of the rotating shaft (8) is fixedly sleeved with a first connecting rod (9), two sides of the bottom of the bed plate (1) are both fixedly provided with supporting frames (12), two supporting frames (12) are fixedly connected with a limiting plate (13), two ends of, remove bottom fixedly connected with connecting axle (15) of seat (14), fixed cover is gone up in connecting axle (15) and is connect second connecting rod (11), bottom fixedly connected with fixed axle (10) of connecting axle (15) one end are kept away from in second connecting rod (11), remove top fixedly connected with support (16) of seat (14), the one end fixedly connected with at support (16) top is located side splint (17) of headrest (2) one side top.

2. The positioning and clamping device for head CT diagnosis according to claim 1, wherein: cavity (171) have been seted up to the inboard of side splint (17), the inside movable sleeve of cavity (171) is equipped with spring (172), the flexible post (173) of one end fixedly connected with of spring (172), the one end of flexible post (173) extends to the outside and fixed mounting of side splint (17) has flexible pad (174), the inboard middle part of flexible pad (174) is equipped with pressure sensor (175).

3. The positioning and clamping device for head CT diagnosis according to claim 1, wherein: two ends of the first connecting rod (9) are movably sleeved with two fixed shafts (10) at the bottoms of one ends of the two second connecting rods (11) respectively.

4. The positioning and clamping device for head CT diagnosis according to claim 1, wherein: the support (16) is L-shaped, and the bottom of the support (16) is movably sleeved in a movable groove (4) formed in the bed plate (1).

5. The positioning and clamping device for head CT diagnosis according to claim 2, characterized in that: one end of the spring (172) is fixedly connected to the inner wall of the cavity (171), and the telescopic column (173) is movably sleeved in the cavity (171).