CN209847218U

CN209847218U - Head CT fixing and supporting device for radiology department

Info

Publication number: CN209847218U
Application number: CN201920394347.7U
Authority: CN
Inventors: 彭正伟
Original assignee: Chongqing Bishan Peoples Hospital
Current assignee: Chongqing Bishan Peoples Hospital
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2019-12-27
Anticipated expiration: 2029-03-27

Abstract

The utility model belongs to the technical field of medical equipment, a head CT fixed supporting device for radiology department is disclosed, including the examining bed, the head of a bed of examining bed is provided with headrest and inner chamber, the inner chamber is provided with motor, pivot and two ball screws, the motor is used for driving the pivot to rotate, the both ends of pivot all are provided with the iron disc, the ball screw is close to the tip rigid coupling of iron disc and has the connecting rod that the diameter is less than the ball screw, the cross-section of connecting rod is the rectangle, the free end cover of connecting rod is equipped with the sleeve of adaptation, the cover is equipped with the spring on the connecting rod between sleeve and the ball screw, the end rigid coupling of sleeve near the; the side wall of the inspection bed is provided with an opening, a nut of the ball screw slides along the opening, a vertical rod is fixedly connected to the top of the nut of the ball screw, a cross rod is fixedly connected to the upper end of the vertical rod, and a clamp is arranged at the free end of the cross rod. The device avoids the patient from shaking the head during examination, improves the accuracy of examination, and has the advantages of low energy consumption, small occupied space and good comfort.

Description

Head CT fixing and supporting device for radiology department

Technical Field

The utility model relates to the technical field of medical equipment, specifically a head CT fixed stay device for radiology department.

Background

The CT examination of the head is an important measure for diagnosing intracranial diseases, the conventional CT examination requires a patient to be in a supine position, a CT machine marks images in the supine position as a reference, the patient is usually supine on the bed, the patient is pushed into a scanning frame to be examined after the head is straightened, the head of some patients is easy to shake during scanning, the CT picture is artifact, the accuracy of the examination is affected, the head of the patient is difficult to be positioned for unconscious or critical patients, the examination can be completed only by the assistance of medical staff, the inaccuracy of the examination effect is caused, and the comfort is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a head CT fixed stay device for radiology department, it is not enough to support and fix a position the head among the solution prior art, and the poor problem of travelling comfort.

The utility model provides a basic scheme is: the utility model provides a head CT fixes strutting arrangement for radiology department, includes the inspection bed, its characterized in that: the head of the bed of the inspection bed is provided with a headrest, the head of the bed of the inspection bed is provided with an inner cavity, the inner cavity is provided with a motor, a rotating shaft and two ball screws, the two ball screws are respectively positioned at two sides of the end part of the rotating shaft, the rotating directions of the two ball screws are opposite, the two ball screws and the rotating shaft are arranged in the same axial line, an output shaft of the motor is provided with a first gear, the rotating shaft is provided with a second gear in tooth connection with the first gear, two ends of the rotating shaft are respectively provided with an iron disc, the end part of each ball screw, which is close to the iron disc, is fixedly connected with a connecting rod, the diameter of each connecting rod is smaller than that of the corresponding ball screw, the cross section of each connecting rod is rectangular, the free end of each connecting rod is sleeved with an adaptive; the inspection bed side wall of the top of the ball screw is provided with an opening, a nut of the ball screw slides along the opening, a vertical rod is fixedly connected to the top of the nut of the ball screw, a cross rod is fixedly connected to the upper end of the vertical rod, and a clamp used for fixing the head of a patient is arranged at the free end of the cross rod.

The working principle of the basic scheme is as follows: the patient lies on the back on the examination bed, the head is placed on the headrest, the medical staff switches on the power supply of the electromagnet and the motor, the output shaft of the motor drives the rotating shaft to rotate through the first gear and the second gear which are in gear joint, the electrified electromagnet is tightly attracted with the corresponding iron disc, the spring is stretched, the rotating shaft drives the ball screws at the two ends to rotate, the ball screws with opposite rotation directions drive the nuts to move in opposite directions, and the vertical rod and the transverse rod drive the clamps at the two sides to move towards the head of the patient, when the clamp on one side is tightly attached to the head of a patient, the power supply of the electromagnet on the same side is disconnected, the electromagnet is separated from the iron disc under the action of the return force of the spring, the clamp stops moving, the clamp on the other side continues to move to be attached to the head of the patient, the power supply of the electromagnet and the motor is disconnected, the head of the patient is fixed, and the patient is pushed into the scanning frame to be scanned; after the scanning is finished, the motor is controlled to rotate reversely, the two clamps move back to back through the transmission structure, and a patient can get up conveniently.

The basic scheme has the beneficial effects that: 1. the head of the patient is fixedly supported by the headrest and the automatically controlled clamp, so that the head of the patient is prevented from shaking, and the inspection accuracy is improved. 2. The device can control the clamps on two sides to fix through one motor, and has low energy consumption and small occupied space. 3. Compared with a common screw rod, the ball screw rod has higher transmission efficiency, and the loss in the transmission process is reduced. 4. The distance of marcing can be controlled respectively to both sides anchor clamps, avoids removing simultaneously and the patient is hindered to the clamp when patient's head is not located the centre, and can control the dynamics of anchor clamps laminating, has improved the travelling comfort.

Further, the headrest is provided with a lifting mechanism, and the lifting mechanism is used for adjusting the height of the headrest.

Through the arrangement, the headrest is adjusted in height to be suitable for different patients, so that the practicability of the device is improved, and the comfort of the patients is improved.

Further, elevating system includes backup pad and two bases, the backup pad is laminated with the lower terminal surface of headrest, two the base is fixed respectively on the inspection bed of headrest both sides below, two all be provided with the cross connecting rod group between base and the backup pad, the tip of cross connecting rod group all articulates there is the round pin axle, the left and right sides face of backup pad all is provided with first spout, the round pin axle and the first spout sliding connection of top, two the base all is provided with the second spout, the below is by two round pin axles and base rigid couplings before, by two round pin axles and second spout sliding connection after, and just by two round pin axles after all be connected with telescopic cylinder.

Through the arrangement, the supporting plate can be moved by a small amplitude in the front and back directions after the height of the headrest is adjusted, so that the position of the headrest is more suitable for patients, and the headrest is more practical.

Further, the horizontal pole and montant are the telescopic link of adjustable length.

Through the arrangement, the clamp can be more attached to the head of a patient, and the comfort of the patient is improved.

Further, the headrest comprises a sponge pillow core and a disposable pillow case, wherein the sponge pillow core is provided with a curved surface matched with the head of a human body.

Through the arrangement, the sponge pillow core enables the head of a patient to be more comfortable, the disposable pillow case enables CT examination to be more sanitary, and mutual infection among patients is avoided.

Further, the clamp is wrapped with a sponge layer.

Through the arrangement, the head of the patient is prevented from being scratched by the edges and corners of the clamp.

Drawings

Fig. 1 is a schematic structural view of a head CT fixing and supporting device for radiology department of the present invention;

fig. 2 is a right side view of the headrest of the head CT fixing and supporting device for radiology department of the present invention.

Detailed Description

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the inspection bed comprises an inspection bed 1, a headrest 2, a motor 3, a rotating shaft 4, a ball screw 5, a first gear 6, a second gear 7, an iron disc 8, a connecting rod 9, a spring 10, a sleeve 11, an electromagnet 12, a nut 13, a vertical rod 14, a cross rod 15, a clamp 16, a supporting plate 17, a base 18, a cross connecting rod group 19, a pin shaft 20, a first sliding groove 21, a second sliding groove 22 and a telescopic cylinder 23.

The embodiment is basically as shown in fig. 1 and fig. 2, a head CT fixing and supporting device for radiology department comprises an examination bed 1, a head pillow 2 is placed at the bed head of the examination bed 1, the head pillow 2 comprises a sponge pillow core and a disposable pillow case, and the sponge pillow core is provided with a curved surface matched with the head of a human body.

The bed head of the examination bed 1 is provided with an inner cavity, the inner cavity is provided with a motor 3, a rotating shaft 4 and two ball screws 5, the two ball screws 5 are respectively positioned at two sides of the end part of the rotating shaft 4, the left end of the ball screw 5 at the left side is rotatably connected with the side wall of the inner cavity, the right end of the ball screw 5 at the right side is rotatably connected with the side wall of the inner cavity, the rotating directions of the two ball screws 5 are opposite and are arranged coaxially with the rotating shaft 4, the motor 3 is fixedly connected with the side wall of the inner cavity of the examination bed 1, the output shaft of the motor 3 is provided with a first gear 6, the rotating shaft 4 is rotatably connected with a support which is fixedly connected with the side wall of the inner cavity, the rotating shaft 4 is provided with a second gear 7 in tooth connection with the first gear 6, two ends of the rotating shaft 4 are both provided with iron disks 8, the end, the free end cover of connecting rod 9 is equipped with the sleeve 11 of adaptation, and the cover is equipped with spring 10 on the connecting rod 9 between sleeve 11 and the ball screw 5, and the tip rigid coupling that sleeve 11 is close to iron disc 8 has electro-magnet 12, and electro-magnet 12 electric connection has switch and power in proper order, and electro-magnet 12 leaves the clearance with iron disc 8, and clearance length is less than the length of the part that connecting rod 9 is located sleeve 11.

The side wall of the inspection bed 1 above the two ball screws 5 is provided with an opening, nuts 13 of the ball screws 5 slide along the opening, the top of the nuts 13 of the ball screws 5 is fixedly connected with a vertical rod 14, the upper end of the vertical rod 14 is fixedly connected with a cross rod 15, the cross rod 15 and the vertical rod are telescopic rods with adjustable length, free ends of the cross rod 15 are oppositely arranged and fixedly connected with a clamp 16, and the clamp 16 is wrapped by a sponge layer.

Headrest 2 is provided with elevating system, elevating system includes backup pad 17 and two bases 18, backup pad 17 and headrest 2's lower terminal surface laminating, two bases 18 are fixed respectively on the inspection bed of headrest 2 both sides below, all be provided with cross linkage 19 between two bases 18 and the backup pad 17, cross linkage 19 includes two alternately articulated connecting rods, cross linkage 19's tip all articulates there is round pin axle 20, first spout 21 has all been seted up to the left and right sides face of backup pad 17, the round pin axle 20 and the first spout 21 sliding connection that are located the top, second spout 22 has all been seted up to two bases 18, the preceding one and the base 18 rigid coupling of two round pin axles 20 that are located the below homonymy, the latter one and second spout 22 sliding connection, and the latter round pin axle 20 is connected with horizontal telescopic cylinder 23, telescopic cylinder 23 fixes the up end at inspection bed 1.

When the examination table works specifically, a patient lies on the back on the examination table 1, the head of the patient is placed on the headrest 2, the pin shaft 20 is pushed by the telescopic cylinder 23 to move along the second sliding groove 22, the height of the supporting plate 17 is raised or lowered by the crossed connecting rod group 19, and the supporting plate 17 can slide back and forth relative to the crossed connecting rod group 19, so that the headrest 2 is positioned at the most comfortable position of the head of the patient; the medical staff switches on the power supply of the electromagnet 12 and the motor 3, the output shaft of the motor 3 drives the rotating shaft 4 to rotate through the first gear 6 and the second gear 7 which are in gear joint, the electrified electromagnet 12 is closely attracted with the corresponding iron disc 8, the spring 10 is in a stretching state, the rotating shaft 4 drives the ball screws 5 at the two ends to rotate, the ball screws 5 with opposite screwing directions drive the nuts 13 to move oppositely, and the clamps 16 on both sides are driven by the vertical rods 14 and the cross rods 15 to move towards the head of the patient, when the clamp 16 on one side is tightly attached to the head of a patient, the power supply of the electromagnet 12 on the same side is disconnected, the electromagnet 12 is separated from the iron disc 8 under the action of the return force of the spring 10, the clamp 16 stops moving, the clamp 16 on the other side continues to move to be attached to the head of the patient, the power supply of the electromagnet 12 and the motor 3 is disconnected, the head of the patient is fixed, and the patient is pushed into the scanning frame to be scanned; after the scanning is finished, the motor 3 is controlled to rotate reversely, the two clamps 16 move back to back through the transmission structure, finally the patient leaves, the disposable pillow case is taken down and thrown into a garbage can, and the next round of examination preparation is carried out.

The above embodiments of the present invention are only examples, and the common knowledge of the known specific structures and characteristics in the schemes is not described too much, it should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, and these should be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A head CT fixing and supporting device for radiology department comprises an examination bed (1), and is characterized in that: the bedside of inspection bed (1) is provided with headrest (2), the head of a bed of inspection bed (1) has the inner chamber, and the inner chamber is provided with motor (3), pivot (4) and two ball screw (5), two ball screw (5) are located the tip both sides of pivot (4) respectively, and two ball screw (5) revolve to opposite and with the coaxial lead setting of pivot (4), be provided with first gear (6) on the output shaft of motor (3), be provided with second gear (7) with first gear (6) joggle on pivot (4), the both ends of pivot (4) all are provided with iron disc (8), ball screw (5) are close to the tip rigid coupling of iron disc (8) and have diameter to be less than connecting rod (9) of ball screw (5), and the cross-section of connecting rod (9) is the rectangle, the free end cover of connecting rod (9) is equipped with sleeve (11) of adaptation, a spring (10) is sleeved on a connecting rod (9) between the sleeve (11) and the ball screw (5), an electromagnet (12) is fixedly connected to the end part, close to the iron disc (8), of the sleeve (11), and a gap is reserved between the electromagnet (12) and the iron disc (8);

the inspection bed (1) lateral wall of the top of ball screw (5) is equipped with the opening, nut (13) of ball screw (5) slide along the opening, the top rigid coupling of nut (13) of ball screw (5) has vertical pole (14), and the upper end rigid coupling of vertical pole (14) has horizontal pole (15), and the free end of horizontal pole (15) is provided with anchor clamps (16) that are used for fixed patient's head.

2. The radiology department head CT fixing and supporting device of claim 1, wherein: the headrest (2) is provided with a lifting mechanism, and the lifting mechanism is used for adjusting the height of the position of the headrest (2).

3. A head CT fixation support device for radiology department according to claim 2, wherein: the lifting mechanism comprises a supporting plate (17) and two bases (18), the supporting plate (17) is attached to the lower end face of the headrest (2), the two bases (18) are respectively fixed on an examination bed below the two sides of the headrest (2), a cross connecting rod set (19) is arranged between the two bases (18) and the supporting plate (17), the end parts of the cross connecting rod set (19) are hinged with pin shafts (20), the left side surface and the right side surface of the supporting plate (17) are respectively provided with a first sliding chute (21), the pin shaft (20) above is connected with the first sliding chute (21) in a sliding way, the two bases (18) are both provided with a second sliding chute (22), two round pin axles (20) near the front in the below are fixedly connected with the base (18), two round pin axles (20) near the back are slidably connected with the second chute (22), and two round pin axles (20) near the back are both connected with a telescopic cylinder (23).

4. A head CT fixation support device for radiology department according to claim 3, wherein: the cross rod (15) and the vertical rod are telescopic rods with adjustable lengths.

5. The radiology department head CT fixing and supporting device of claim 4, wherein: the headrest (2) comprises a sponge pillow core and a disposable pillow case, wherein the sponge pillow core is provided with a curved surface matched with the head of a human body.

6. A head CT fixing and supporting device for radiology department according to claim 5, wherein: the clamp (16) is wrapped with a sponge layer.