CN219289488U

CN219289488U - Auxiliary device for improving neck CT (computed tomography) examination definition

Info

Publication number: CN219289488U
Application number: CN202320286892.0U
Authority: CN
Inventors: 王彦; 王康; 阴祖航; 张颜蕾; 于瑾; 洪波; 陈兴哲
Original assignee: Affiliated Zhongshan Hospital of Dalian University
Current assignee: Affiliated Zhongshan Hospital of Dalian University
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-07-04
Anticipated expiration: 2033-02-22

Abstract

The utility model provides an auxiliary device for improving the definition of CT examination of the neck, comprising: the two water tanks are connected through a moving structure, and are respectively arranged at two sides of the neck of a patient lying on the CT examination bed during CT examination; the movable structure comprises a first base and a movable water tank, the first base is in sliding connection with the CT examination bed, the movable water tank comprises two second bases, the two water tanks are respectively arranged on the two second bases, and the two second bases are in sliding connection with the first base. The utility model can improve the image definition of neck CT examination.

Description

Auxiliary device for improving neck CT (computed tomography) examination definition

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an auxiliary device for improving the definition of neck CT examination.

Background

At present, most CT (computed tomography) examination of the patient's neck is carried out by directly scanning after the patient is lying and correcting the body position, because harness hardening artifacts are easy to generate at the junction of the neck and the thorax, the effect of the picture which is frequently reacted by a diagnostician is not very good, the work condition of the technician at present is that the patient is directly scanned, the picture is provided with obvious artifacts, and part of the technician is provided with mineral water bottles containing 0.9% sodium chloride for relieving the artifacts, so that the artifacts are eliminated, but the imaging device is not easy to fix, the phenomenon that mineral water bottles topple over in the scanning process frequently occurs is avoided, and after the imaging device is used, the two sides of the neck are well fixed, the artifacts can be effectively eliminated, and the quality of the picture is improved. At present, the public number of the medical image service center relates to discussion about artifact elimination by a brine bag.

Disclosure of Invention

According to the above-mentioned technical problems, an auxiliary device for improving the definition of the neck CT examination is provided. The utility model adopts the following technical means:

an auxiliary device for improving the definition of a neck CT examination, comprising: the two water tanks are connected through a moving structure, and are respectively arranged at two sides of the neck of a patient lying on the CT examination bed during CT examination;

the movable structure comprises a first base and a movable water tank, the first base is in sliding connection with the CT examination bed, the movable water tank comprises two second bases, the two water tanks are respectively arranged on the two second bases, and the two second bases are in sliding connection with the first base.

Further, three protruding sliding rails are arranged above the first base, three sliding grooves are formed in the lower portion of the second base, and the three sliding rails are respectively in sliding connection with the three sliding grooves.

Further, the sliding rail in the middle is of a trapezoid structure, the sliding groove in the middle is of a trapezoid structure, and the matching connection of the sliding rail in the middle and the sliding groove is used for limiting the movable water tank to be separated from the first base from the upper side.

Further, a round hole is formed in one side of the second base, and the round hole is connected with a locking structure in a matched mode and used for limiting sliding of the second base; when the water tank rotates clockwise, the locking structure is released, and the water tank can move left and right to be close to or far away from the neck of a patient; when the movable water tank rotates anticlockwise, the locking structure is locked and used for fixing the movable water tank with the first base.

Further, the locking structure is an operating rod with a rod-shaped structure and comprises a front section, a middle main body and a rear section, wherein the outer wall of the middle main body is provided with external threads, the round hole is internally provided with internal threads, and the middle main body is screwed into the round hole for threaded connection; the outer wall of anterior segment is the rubber material, twists the action bars and can loosen or lock the removal water tank through frictional force.

Further, two semi-cylindrical protrusions are arranged below the first base, and the semi-cylindrical protrusions are in sliding connection with grooves on the CT examination bed.

Compared with the prior art, the utility model has the following advantages:

1. the auxiliary device for improving the definition of the neck CT examination provided by the utility model improves the image definition of the neck CT examination and is beneficial to diagnosis of doctors.

2. The auxiliary device for improving the definition of the neck CT examination provided by the utility model has two advantages that the adopted fixed water tank has no direct stress on the neck of a patient, so that the compression on the carotid sinus of the patient can be prevented, and the cross infection caused by excessive contact between equipment and the skin of the patient can be avoided. The other is that the device is fixed with the CT examination table and can play a role in limiting the possible involuntary displacement of the patient during examination.

For the reasons, the utility model can be widely popularized in the fields of medical treatment and the like.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic view of the overall structure of the device of the present utility model.

Fig. 2 is an exploded view of the split structure of the device of the present utility model.

Fig. 3 is a schematic structural view of a first base of the present utility model.

Fig. 4 is a schematic structural view of the mobile water tank of the present utility model.

Fig. 5 is a schematic structural view of the locking structure of the present utility model.

Fig. 6 is a schematic side cross-sectional view of the connection of the first base, the mobile tank, and the locking structure of the present utility model.

Fig. 7 is a comparative view of the present apparatus and the present apparatus before inspection taken from one direction, wherein (a) is a schematic view of the present apparatus used and (b) is a schematic view of the present apparatus not used.

Fig. 8 is a comparative view of the present apparatus and the present apparatus before inspection taken from the other direction, wherein (a) is a schematic view of the present apparatus used and (b) is a schematic view of the present apparatus not used.

In the figure: 1. a movable water tank; 2. a first base; 3. a CT examination table; 4. a water tank; 5. the installation part of the locking structure; 6. a second base; 7. a locking structure; 8. an external thread; 9. a rubber material; 10. a slide rail.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

When thyroid CT and head and neck CTA are checked in normal work, a patient is scanned after lying down, and harness hardening artifacts are easily generated at the junction of the neck and the chest, so that the image quality is affected. In order to solve the problems in the prior art, the utility model provides an auxiliary device for improving the definition of the CT examination of the neck, if the device is used, the thickness density of the layer of the neck and the shoulder can be close to that of rays which enter the tissue scanning with the same density, thereby eliminating the artifact and improving the definition of the image.

Referring to fig. 1-6, an auxiliary device for improving the definition of a neck CT examination comprises two water tanks 4 (water-containing places) and a moving structure, wherein the moving structure comprises a first base 2 (equipment base) and a moving water tank 1, the first base 2 is slidably connected with a CT examination bed 3, the moving water tank 1 comprises a second base 6, the water tank 4 is mounted on the second base 6, and the second base 6 is slidably connected with the first base 2. The water tank is not directly stressed on the neck of the patient, so that the water tank can be prevented from pressing the neck of the patient (pressing the carotid Dou Huohui to cause reflex hypotension). During examination, the equipment base is firstly arranged on one side of the bed body along the groove of the examination bed, a patient is put on the bed to lie down, the head and neck is arranged on the base, then the two water tanks are respectively arranged on two sides of the neck of the patient along the slide way of the first base from the left side and the right side, and CT examination can be carried out after the fixing.

In this embodiment, the device base: two semi-cylindrical bulges are arranged below the equipment base, can be connected with a groove on the CT examination bed 3 and can slide along the direction of the groove, three bulge slide rails 10 are arranged above the equipment base, can be connected with the movable water tank 1, and the movable water tank 1 can also slide on the slide rails 10. The middle slide rail 10 is of a trapezoid structure, and can limit the movable water tank 1 from being separated from the equipment base from the upper side.

In this embodiment, the water tank 1 is moved: the second base 6 below the movable water tank 1 is provided with three grooves (sliding grooves) which are connected with the sliding rail 10 on the equipment base, and the middle trapezoid groove plays a role in limiting the movable water tank 1 from being separated from the equipment base from the vertical direction. The second base 6 is provided with a round hole (a locking structure installation place 5) on the side for installing a locking device (a locking structure 7), when the device rotates clockwise, the movable water tank 1 can move left and right when the device is released, the device is placed at a proper position according to the body shape of a patient, and the movable water tank 1 is fixed on the equipment base after the device is locked by rotating anticlockwise.

In this embodiment, the locking structure 7: the middle of the structure is provided with an external thread 8 which is screwed into a round hole of the base of the movable water tank 1, the front section of the locking structure 7 is provided with a rubber material 9, and the movable water tank 1 can be loosened or locked by screwing the operating rod through friction force.

In this embodiment, the fixed water tank structure has two advantages, and one is that the water tank does not directly bear force on the neck of the patient, not only can prevent the oppression to the carotid sinus of the patient, but also can avoid the cross infection that the excessive contact of equipment and patient skin caused. The other is that the device is fixed with the CT examination table and can play a role in limiting the possible involuntary displacement of the patient during examination.

As shown in fig. 7 and 8, which are a comparison of the device not used before the examination and the device used, it is obvious that the device can effectively remove the artifact, which is more beneficial to the diagnosis of the hospital.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. An auxiliary device for improving the definition of a neck CT examination, comprising: the two water tanks (4) are connected through a moving structure, and the two water tanks (4) are respectively arranged at two sides of the neck of a patient lying on the CT examination bed (3) during CT examination;

the movable structure comprises a first base (2) and a movable water tank (1), wherein the first base (2) is in sliding connection with a CT examination bed (3), the movable water tank (1) comprises two second bases (6), the two water tanks (4) are respectively arranged on the two second bases (6), and the two second bases (6) are in sliding connection with the first base (2).

2. The auxiliary device for improving the definition of the neck CT examination according to claim 1, wherein three protruding sliding rails (10) are arranged above the first base (2), three sliding grooves are formed below the second base (6), and the three sliding rails (10) are respectively in sliding connection with the three sliding grooves.

3. The auxiliary device for improving the definition of the neck CT examination according to claim 2, wherein the sliding rail (10) in the middle is of a trapezoid structure, the sliding groove in the middle is of a trapezoid structure, and the matching connection of the sliding rail (10) in the middle and the sliding groove is used for limiting the movable water tank (1) to be separated from the first base (2) from the upper side.

4. The auxiliary device for improving the definition of the neck CT examination according to claim 1, wherein a round hole is formed in one side of the second base (6), and the round hole is connected with a locking structure (7) in a matched manner and used for limiting the sliding of the second base (6); when the water tank (1) rotates clockwise, the locking structure (7) is released, and the water tank (1) can move left and right to be close to or far away from the neck of a patient; when the water tank rotates anticlockwise, the locking structure (7) is locked and used for fixing the movable water tank (1) with the first base (2).

5. The auxiliary device for improving the definition of the neck CT examination according to claim 4, wherein the locking structure (7) is an operating rod with a rod-shaped structure and comprises a front section, a middle main body and a rear section, wherein an external thread (8) is arranged on the outer wall of the middle main body, an internal thread is arranged in the round hole, and the middle main body is screwed into the round hole for threaded connection; the outer wall of the front section is made of rubber (9), and the movable water tank (1) can be loosened or locked by friction force by screwing the operating rod.

6. Auxiliary device for improving the definition of CT examinations on the neck according to claim 1 characterized in that two semi-cylindrical protrusions are provided under the first base (2), which are slidingly connected with grooves on the CT examination table (3).