CN116919443A - Neck brace for CT image for eliminating neck hardening artifact - Google Patents

Abstract

The invention discloses a neck brace for CT images for eliminating neck hardening artifacts, which comprises a bottom plate and two symmetrically arranged arc-shaped baffles, wherein the arc-shaped baffles are movably connected with the bottom plate, a bag body is arranged at the opposite outer side of the connecting position of the arc-shaped baffles and the bottom plate, the bag body is made of transparent materials, and physiological saline is filled in the bag body. The CT detection device has the beneficial effects that as the transparent bag body is filled with the normal saline, the bag body is just positioned at the neck and shoulder of a patient, and at the moment, when CT detection is carried out again, the beam hardening artifact at the junction of the neck and the chest entrance can be obviously improved, and the beam artifact around the thyroid is effectively reduced or even eliminated.

Description

Neck brace for CT image for eliminating neck hardening artifact

Technical Field

The invention relates to the technical field of medical appliances, in particular to a neck brace for CT images, which is used for eliminating neck hardening artifacts.

Background

CT is a common examination method for pre-operative examination and postoperative review of thyroid cancer in clinic. The CT is used for pre-operation examination and post-operation recheck of thyroid diseases, so that pre-operation and post-operation evaluation and judgment of the presence or absence of cervical lymph node (particularly central group lymph node) swelling and metastasis can be provided.

In order to obtain good thyroid images when CT examination is performed, a patient is in a supine position, the body is placed on a bed surface, but the thyroid is positioned on the neck and often overlaps with a shoulder structure, and the anatomical structure is special. In conventional CT scanning, a portion of the thyroid is located at the shoulder level, at which time the bilateral shoulder joint, bilateral collarbone and thyroid soft tissue are located at the same level. Because of uneven body thickness and more bones, when X-rays pass through the layer, the attenuation is obvious, the quantity of rays reaching the detector is insufficient, and ray beam artifacts are formed on thyroid CT images, so that SNR is reduced, and the image quality is affected.

If the radiation dose is simply and roughly increased in daily radioscopy, the quality of the image can be improved, and the SNR can be improved. However, with the increasing use of CT clinical diagnosis, the radiation dose problem received by patients is also of great concern. The thyroid gland belongs to a radiation hypersensitive part, and researches show that excessive radiation dose can improve the radiation randomness effect and increase the incidence rate of malignant tumors. Therefore, the radiation dose problem suffered by the patient needs to be emphasized, and the radiation dose suffered by the thyroid gland needs to be strictly controlled during scanning. It is not recommended to directly increase the radiation dose to eliminate the stiffening artifact.

In order to eliminate the artifact, 202110314909.4, the invention document of a medical image scanning auxiliary neck pillow also discloses a technical scheme, when a patient is scanned with medical images, the patient is laid on the back in a lying way, the auxiliary neck pillow is placed at the back neck of the patient, and a more comfortable supporting width is provided for the patient by adjusting a width adjusting knob; then, the elastic binding band is sleeved on the head of the patient, so that the head of the patient does not shake, and the quality of a scanned image is not affected; finally, the height adjusting knob is adjusted to enable the second supporting plate to be lifted, so that the neck of the patient is lifted, the view of the part of the neck of the patient needing image scanning is fully exposed, and the scanning image is clearer.

However, this approach also only exposes the patient's neck sufficiently, but the effect of eliminating the artifact is still not actually ideal.

Disclosure of Invention

The invention aims to provide a neck brace for CT images, which can eliminate neck hardening artifacts.

To achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an eliminate CT image of neck sclerosis artifact and use neck brace, its includes bottom plate and two arc baffles that symmetry set up, is movable connection between arc baffle and the bottom plate, and the relative outside of arc baffle and bottom plate hookup location is provided with the bag body, and the arc baffle is extended to the length of bag body, and the bag body is transparent material, is equipped with normal saline in the bag body.

The beneficial effects are that, because the transparent bag body is just positioned at the neck and shoulder of the patient after the physiological saline is filled in the transparent bag body, the neck and shoulder and the collarbone of the patient can be completely covered. Because the physiological saline exists, the compensation of the detected tissue can be performed, and the uniformity of the tissue is improved, namely, the saline plays a role in the uniformity of tissue attenuation during image reconstruction, namely, the tissue is the skeleton or the muscle of the human body, and the whole detected tissue has more uniformity after the physiological saline is covered. At this time, when CT detection is carried out again, the beam hardening artifact at the junction of the neck and the chest entrance can be obviously improved, and the beam artifact around the thyroid is effectively reduced or even eliminated.

In some embodiments, the bag is made of an elastic material, and the volume of the bag can be changed by changing the amount of physiological saline contained in the bag.

The bag body has the beneficial effects that the elastic material is adopted, the volume of the bag body can be controlled by changing the injection amount of the physiological saline, for example, for patients with smaller ages or patients with smaller necks, the injection amount of the physiological saline can be slightly smaller, so that the bag body is suitable for small patients. When a patient with a large size is concerned, the physiological saline can be increased, so that the bag body is elastically expanded, and the bag body is suitable for a larger patient.

The two bag bodies outside the arc-shaped baffle are mutually communicated, the two communicated bag bodies enclose a ring-shaped structure, and the ring-shaped structure is used for wrapping the shoulder and neck part of a patient, so that the shoulder and neck part of the patient can be encircled, meanwhile, the bag body can be made of elastic materials, the whole ring-shaped structure can also have certain elasticity, the effect of shrinkage fixation can be achieved, the patient is fixed at an accurate position, and meanwhile, the ring-shaped structure has a certain shaping and adjusting function, so that the position of CT detection at the later stage is correct.

In some embodiments, a cushion body is disposed on an area enclosed between the base plate and the two symmetrically disposed arcuate baffles.

The cushion has the beneficial effects that the cushion body is arranged, so that a patient can feel more comfortable when the patient is on the cushion. Reduce the uncomfortable feeling of the gap between the bottom plate and the arc baffle plate for the patient.

In some embodiments, the bag further comprises a sliding plate, the arc-shaped baffle is fixedly connected with the sliding plate, a sliding groove is formed in the back face of the sliding plate, a guide rail is arranged on the bottom plate, the sliding plate slides in cooperation with the guide rail on the bottom plate through the sliding groove, and the bag body is placed on the sliding plate.

The sliding plate has the beneficial effects that the arc-shaped baffle plates can be relatively close to or relatively far away from each other through the sliding plate, so that the size of the space between the two arc-shaped baffle plates can be adjusted, and patients with different head and neck sizes can be accommodated.

In some embodiments, the surface of the guide rail contacting the chute is provided with a rubber strip.

The novel adjustable rubber strip has the beneficial effects that after the rubber strip is arranged, the friction force between the guide rail and the sliding groove can be increased, so that the distance between the two arc-shaped baffles has relative stability, but the corresponding width adjustment can be performed.

In some embodiments, the connection plate for matching with the CT detection bed is arranged in an extending manner in the axial direction of the bottom plate.

The CT detection bed has the beneficial effects that the whole neck support can be connected to the end part of the CT detection bed through the connecting plate, so that good connection is realized, an inspection instrument is not influenced, and the imaging quality of a CT machine is not influenced.

In some embodiments, the connecting plate is a Z-shaped structure, and comprises a first plate body, a second plate body and a third plate body, wherein the first plate body is connected with the bottom plate and is positioned at the same horizontal position, the second plate body is connected with the first plate body, one end of the third plate body is connected with the second plate body, the horizontal position of the third plate body is lower than that of the first plate body, and the other end of the third plate body is matched with the connecting hole at the end part of the CT detection bed.

The novel bed has the beneficial effects that after the novel bed is arranged to be in a Z-shaped structure, the first plate body, the bottom plate and the CT detection bed are positioned at the same height, so that a patient can lie conveniently. The other end of the third plate body is just positioned at the same horizontal position and matched with the connecting hole at the end part of the CT detection bed.

In some embodiments, the third plate body is provided with a plurality of clamping positions, and the clamping positions are arc-shaped convex edges.

The CT detection bed has the beneficial effects that by arranging the arc-shaped convex rib-shaped clamping positions, the connection position between the third plate and the CT detection bed can be telescopic, so that the CT detection bed can be suitable for patients with different heights.

In some embodiments, the bag body is provided with a water supply and drainage interface, the interface comprises a first runner, a second runner and a plug body, the first runner is cylindrical and is communicated with the outside, the second runner is bell mouth-shaped and is communicated with the inside of the bag body, and the plug body is positioned at the joint of the first runner and the second runner.

The beneficial effects are that, through setting up the second runner of horn mouth form, in the in-process of injecting into normal saline, rivers can dash the cock body to rivers can be convenient get into the bag body, when stopping to inject, because the bag body is the normal saline that has certain elasticity in the bag body can extrude the cock body, extrudees the cock body in the junction of first runner and second runner, thereby prevent that normal saline from flowing out.

In some embodiments, the junction of first runner and second runner is equipped with the hemisphere and holds the chamber, and the cock body includes spheroid and direction tail pole, and the spheroid can closely laminate with the hemisphere holds the chamber, and the direction tail pole is with being located first runner, is equipped with the blanking plate on the one end of second runner towards the bag body inside, is equipped with the weeping hole on the blanking plate, and the length of cock body is greater than the distance between first runner and the blanking plate.

The plug has the beneficial effects that the plug body can be prevented from being separated from the second flow passage due to the sealing cover plate. Meanwhile, the sealing cover plate is provided with a liquid leakage hole, so that normal saline can flow through normally. The spheroid closely laminates with the hemisphere holds the chamber, can be better realize sealed effect. The design of spheroid and direction tail pole can guarantee the better laminating of spheroid and seal on the one hand, on the other hand, because the length of cock body is greater than the distance between first runner and the closing cap board, so the direction tail pole can be located the first runner all the time, so can have better guide effect.

Drawings

FIG. 1 is a schematic side view of a neck brace for CT image for eliminating neck hardening artifact according to an embodiment of the present invention;

FIG. 2 is a schematic diagram showing a front structure of a neck brace for CT image for eliminating neck hardening artifact according to an embodiment of the present invention;

FIG. 3 is a schematic front view of a neck brace for CT image for eliminating neck hardening artifact according to another embodiment of the present invention;

FIG. 4 is a schematic view showing a sliding plate and a back plate of a neck brace for CT image for eliminating neck hardening artifact according to another embodiment of the present invention;

FIG. 5 is a block diagram of a water supply and drainage interface of a CT image neck brace for eliminating cervical hardening artifacts according to still another embodiment of the present invention;

FIG. 6 is a graph showing an effect of CT detection without using the present apparatus;

FIG. 7 is a graph showing an effect of CT detection using the present apparatus;

FIG. 8 is a graph showing an effect of CT detection without using the present apparatus;

fig. 9 is a diagram showing an effect of CT detection using the present apparatus.

Detailed Description

The invention is described in further detail below with reference to fig. 1-9.

As shown in fig. 1 and 2, a neck brace for CT image for eliminating neck hardening artifact comprises a bottom plate 1 and two symmetrically arranged arc baffles 2, wherein the arc baffles 2 are movably connected with the bottom plate 1, a bag body 3 is arranged on the opposite outer side of the connection position of the arc baffles 2 and the bottom plate 1, the arc baffles 2 extend from the length of the bag body 3, the bag body 3 is made of transparent material, and physiological saline is filled in the bag body 3.

FIGS. 6 and 8 are graphs showing the effect of CT detection without using the present apparatus; fig. 7 and 9 are effect diagrams showing CT detection using the present apparatus. Because the transparent bag body 3 is filled with normal saline, the bag body 3 is just positioned at the neck and shoulder of the patient, and can completely cover the neck and shoulder and the collarbone of the patient. At this time, when CT detection is carried out again, the beam hardening artifact at the junction of the neck and the chest entrance can be obviously improved, and the beam artifact around the thyroid is effectively reduced or even eliminated.

In this patent, the bag body 3 is elastic material, and the volume of the bag body 3 can be changed at the change of the physiological saline volume that is equipped with and produce the change.

The beneficial effects are that, adopt the elasticity material, can be through changing the volume of injection normal saline control bag body 3, for example to the patient of younger age or the patient of neck weak, normal saline injection can be slightly little to be suitable for little patient. When a patient is of a large size, the amount of physiological saline can be increased so that the bag body 3 is elastically expanded, thereby being suitable for a larger patient.

As shown in fig. 3, two bag bodies 3 outside the arc baffle plates 2 are mutually communicated, the two communicated bag bodies 3 enclose a ring-shaped structure, and the ring-shaped structure is used for wrapping the shoulder and neck part of a patient, so that the shoulder and neck part of the patient can be surrounded, meanwhile, the bag bodies 3 can be made of elastic materials, the whole ring-shaped structure can also have certain elasticity, the effect of shrinkage fixation can be achieved, the patient is fixed at an accurate position, and meanwhile, the ring-shaped structure has a certain shaping and adjusting function, so that the position of CT detection at the later stage is correct.

Wherein, the area enclosed between the bottom plate 1 and the two symmetrically arranged arc-shaped baffle plates 2 is provided with a soft cushion body 4.

The cushion body 4 is arranged to make the patient feel more comfortable when leaning on. The uncomfortable feeling of the patient caused by the gap between the bottom plate 1 and the arc baffle 2 is reduced.

Meanwhile, as shown in fig. 4, the novel bag body bag further comprises a sliding plate 5, the arc-shaped baffle 2 is fixedly connected with the sliding plate 5, a sliding groove 51 is formed in the back face of the sliding plate 5, a guide rail 52 is arranged on the bottom plate 1, the sliding plate 5 is matched with the guide rail 52 on the bottom plate 1 to slide through the sliding groove 51, and the bag body 3 is placed on the sliding plate 5.

Through setting up slide plate 5, can be relatively close to or keep away from arc baffle 2 relatively for the space size between two arc baffles 2 can be adjusted, thereby adapt to the patient of different neck sizes.

A rubber strip 53 is provided on the surface of the guide rail 52 that contacts the chute 51.

After the rubber strip 53 is arranged, the friction force between the guide rail 52 and the sliding groove 51 can be increased, so that the distance between the two arc baffles 2 has relative stability, but corresponding width adjustment can be performed.

A connecting plate 6 for matching with the CT detection bed is arranged in an extending manner in the axial direction of the bottom plate 1.

By arranging the connecting plate 6, the whole neck brace can be connected to the end part of the CT detection bed, so that good connection is realized, an inspection instrument is not influenced, and the imaging quality of a CT machine is not influenced.

The connecting plate 6 among this patent is Z type structure, and it includes first plate body 61, second plate body 62 and third plate body 63, and first plate body 61 is connected and both are located same horizontal position with bottom plate 1, and second plate body 62 is connected with first plate body 61, and the one end of third plate body 63 is connected with second plate body 62, and the horizontal position of third plate body 63 is less than the horizontal position of first plate body 61, and the other end of third plate body 63 cooperatees with the connecting hole of CT detection bed tip.

After the Z-shaped structure is arranged, the first plate body 61, the bottom plate 1 and the CT detection bed are positioned at the same height, so that a patient can lie conveniently. The other end of the third plate 63 is just positioned at the same horizontal position and matched with the connecting hole at the end of the CT detection bed.

In this patent, be equipped with a plurality of screens 64 on the third plate body 63, screens 64 are the arc bead.

The CT detection bed has the beneficial effects that the connecting position between the third plate and the CT detection bed can be telescopic by arranging the arc-shaped convex rib-shaped clamping position 64, so that the CT detection bed can be suitable for patients with different heights.

As shown in fig. 1 and 5, the bag body 3 of the present patent is provided with a water supply and drainage port 30, the port includes a first flow channel 31, a second flow channel 32 and a plug body 33, the first flow channel 31 is cylindrical and is communicated with the outside, the second flow channel 32 is bell mouth-shaped and is communicated with the inside of the bag body 3, and the plug body 33 is located at the joint of the first flow channel 31 and the second flow channel 32.

Through setting up horn mouth form's second flow channel 32, in the in-process of injection normal saline, rivers can dash the cock body 33 to rivers can be convenient get into in the bag body 3, when stopping to pour into, because the bag body 3 is having certain elasticity, so normal saline in the bag body 3 can extrude cock body 33, extrudees the junction at first flow channel 31 and second flow channel 32 with cock body 33, thereby prevent the normal saline outflow.

Wherein, the junction of first runner 31 and second runner 32 is equipped with hemisphere and holds chamber 34, and the cock body 33 includes spheroid 35 and direction tail rod 36, and spheroid 35 can be closely laminated with hemisphere and hold chamber 34, and direction tail rod 36 is equipped with closing cap 37 with being located the inside one end of bag body 3 in the second runner 32, is equipped with weeping hole 38 on the closing cap 37, and the length of cock body 33 is greater than the distance between first runner 31 and the closing cap 37.

Because of the provision of the closure plate 37, the plug body 33 is prevented from escaping from the second flow passage 32. Meanwhile, the sealing cover plate 37 is provided with a liquid leakage hole 38, so that normal saline can flow through. The close fitting of the ball 35 to the hemispherical accommodation chamber 34 can achieve a better sealing effect. The design of the ball 35 and the guiding tail 36 ensures a better fit and sealing of the ball 35 on the one hand, and on the other hand, because the length of the plug 33 is longer than the distance between the first flow channel 31 and the cover plate 37, the guiding tail 36 can be always positioned in the first flow channel 31, so that a better guiding effect can be achieved.

What has been disclosed above is but a few embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.

Claims (10)

1. The utility model provides an eliminate CT image of neck hardening artifact and use neck brace, its characterized in that includes bottom plate (1) and two arc baffle (2) that symmetry set up, arc baffle (2) with be movable connection between bottom plate (1), arc baffle (2) with the relative outside of bottom plate (1) hookup location is provided with bag body (3), the length of bag body (3) extends arc baffle (2), bag body (3) are transparent material, physiological saline is equipped with in bag body (3).

2. The neck brace for CT images for eliminating neck hardening artifacts according to claim 1, characterized in that the bag body (3) is made of elastic material, the volume of the bag body (3) can be changed due to the change of the amount of the physiological saline filled in the bag body, and a soft cushion body (4) is arranged on an area enclosed between the bottom plate (1) and the two symmetrically arranged arc-shaped baffle plates (2).

3. The neck brace for CT images for eliminating neck hardening artifacts according to claim 1, wherein the two bag bodies (3) outside the arc-shaped baffle plates (2) are mutually communicated, and the two communicated bag bodies (3) enclose a ring-shaped structure, and the ring-shaped structure is used for wrapping the shoulder and neck parts of a patient.

4. The neck brace for eliminating the CT image of the neck hardening artifact according to claim 1, further comprising a sliding plate (5), wherein the arc baffle plate (2) is fixedly connected with the sliding plate (5), a sliding groove (51) is formed in the back surface of the sliding plate (5), a guide rail (52) is arranged on the bottom plate (1), the sliding plate (5) is matched with the guide rail (52) on the bottom plate (1) to slide through the sliding groove (51), and the bag body (3) is placed on the sliding plate (5).

5. A neck brace for CT images for eliminating cervical hardening artifacts according to claim 4, characterized in that the surface of the guide rail (52) in contact with the runner (51) is provided with a rubber strip (53).

6. A neck brace for CT images for eliminating cervical hardening artifacts according to claim 1, characterized in that the base plate (1) is provided with a connecting plate (6) extending in axial direction for cooperation with a CT detection bed.

7. The neck brace for CT image for eliminating cervical hardening artifact according to claim 6, wherein the connecting plate (6) has a Z-shaped structure, and comprises a first plate body (61), a second plate body (62) and a third plate body (63), the first plate body (61) is connected with the bottom plate (1) and the first plate body and the second plate body are positioned at the same horizontal position, the second plate body (62) is connected with the first plate body (61), one end of the third plate body (63) is connected with the second plate body (62), the horizontal position of the third plate body (63) is lower than the horizontal position of the first plate body (61), and the other end of the third plate body (63) is matched with the connecting hole at the end of the CT detection bed.

8. The neck brace for CT images for eliminating cervical hardening artifacts according to claim 7, wherein a plurality of clamping positions (64) are provided on the third plate body (63), and the clamping positions (64) are arc-shaped ribs.

9. The neck brace for CT images for eliminating neck hardening artifacts according to claim 1, characterized in that the bag body (3) is provided with a water supply and drainage interface (30), the interface comprises a first runner (31), a second runner (32) and a plug body (33), the first runner (31) is cylindrical and is communicated with the outside, the second runner (32) is bell mouth-shaped and is communicated with the inside of the bag body (3), and the plug body (33) is positioned at the joint of the first runner (31) and the second runner (32).

10. The neck brace for eliminating the CT image of the neck hardening artifact according to claim 9, wherein a hemispherical accommodating cavity (34) is arranged at the joint of the first runner (31) and the second runner (32), the plug body (33) comprises a spherical body (35) and a guiding tail rod (36), the spherical body (35) can be tightly attached to the hemispherical accommodating cavity (34), the guiding tail rod (36) is positioned in the first runner (31), a cover plate (37) is arranged at one end, facing the inside of the bag body (3), of the second runner (32), a liquid leakage hole (38) is arranged on the cover plate (37), and the length of the plug body (33) is larger than the distance between the first runner (31) and the cover plate (37).