CN211432965U

CN211432965U - CT (computed tomography) examination body position restraint device

Info

Publication number: CN211432965U
Application number: CN201921808620.2U
Authority: CN
Inventors: 韩砆石; 王未; 陈淑珍; 王程弘; 王恒礼
Original assignee: Shanghai Tongji Hospital
Current assignee: Shanghai Tongji Hospital
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-09-08
Anticipated expiration: 2029-10-25

Abstract

The utility model belongs to the technical field of medical equipment, and relates to a CT examination body position restraint device, which comprises an upper limb positioner and a lower limb positioner, wherein the upper limb positioner comprises an upper fixed base, an upper rotating part provided with a limiting hole, an upper locking part and a limiting inserted rod, and the upper rotating part and the upper fixed base are hinged and connected with a second connecting part through a first connecting part on the upper rotating part and the upper fixed base; the lower limb positioner comprises a lower fixed base, a lower rotating part provided with a limiting hole, a lower locking part and a limiting inserted rod, wherein the lower rotating part and the lower fixed base are hinged and connected with a fourth connecting part through a third connecting part on the lower rotating part; the upper locking part and the lower locking part are respectively used for fixing the upper rotating part and the upper fixed base and fixing the lower rotating part and the lower fixed base; the upper limb positioners are symmetrically arranged at two sides of the examining table, and the lower limb positioners are arranged at the middle lower part of the bed surface of the examining table. Its advantages are: the device is flexible to use, can be actively matched with the posture of a patient to carry out flexible limiting and constraining, is simple and easy to operate, and can be freely assembled and disassembled.

Description

CT (computed tomography) examination body position restraint device

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a CT inspection position restraint device

Background

During CT examination, in order to ensure the quality of the examination, the patient to be examined usually needs to lie on a CT bed smoothly for examination, but some patients are irritated and easy to move or unconscious and disorder, and then image artifacts are extremely easy to cause, thereby affecting the quality of the examination and even causing examination failure. Therefore, limb restraint is very necessary for the patients. The existing CT examining table with the constraint function has certain limitations, needs a patient to be actively matched with the position of the corresponding fixing device for fastening, is not flexible enough, increases the discomfort of the patient, enables the patient to resist more, and brings great inconvenience to medical staff and family members of the patient.

Chinese patent documents: CN204394552U discloses a CT examination fixing device, which comprises a fixing device body and a fixing base, wherein the fixing device body is arranged on the fixing base, the fixing base is arranged on a bed body, the fixing device body also comprises a head fixing mechanism, an arm fixing mechanism and a leg fixing mechanism, a pillow is arranged in the middle of the head fixing mechanism, arc-shaped baffles which are opposite to each other are arranged on two sides of the pillow, telescopic air bags are arranged on the inner walls of the arc-shaped baffles, and air pipes connected with the telescopic air bags are arranged on the outer walls of the arc-shaped baffles; the two sides of the arm fixing mechanism and the two sides of the leg fixing mechanism are respectively provided with opposite arc-shaped bulges, concave parts of hemispherical surfaces are formed between the bulges, the inner walls of the bulges are provided with telescopic airbags, and the outer walls of the bulges are provided with air pipes connected with the telescopic airbags. The device has good fixing performance, can improve the comfort of a patient and is beneficial to forming a clearer image. The device is provided with the telescopic air bag, corresponding external air supply equipment is needed when the device is used, the swelling state of the air bag is closely noticed when the device is inflated, and the operation is complex; and the used fixing mechanism does not have the capability of providing corresponding adjustment according to the actual state and the requirement of the patient, is not flexible enough and has larger use limitation.

Chinese patent documents: CN201996559U discloses a CT bed with a constraint function, comprising: the bed body, two upper arm restraint bands, two wrist restraint bands, a waist restraint band, two thigh restraint bands and two ankle restraint bands all fix according to human anatomy's position on the bed body. The beneficial effect of this patent literature: in CT examinations on patients, patients that are prone to agitation may be restrained using some or all of the restraint belts on the CT bed. The use is fast and convenient, and the CT examination can be smoothly carried out. Meanwhile, the trouble of medical staff and family members of patients caused by CT examination of patients who are easy to restless is reduced. However, the position of the restraint strap of the device is not easy to adjust, and the flexibility is not enough, so that the patient needs to adjust the limbs of the patient to be matched with the restraint strap for fixing.

In summary, there is a need for a CT examination posture restriction device that is flexible in use, can actively match the posture of a patient for flexible limiting, is simple and easy to operate, and can be freely assembled and disassembled.

Disclosure of Invention

The utility model aims at providing a use in a flexible way, can carry out nimble spacing by initiative cooperation patient's posture, the simple easy operation of device, CT inspection position restraint device that can freely load and unload.

In order to achieve the purpose, the utility model adopts the technical proposal that:

a CT examination body position restraining device comprises an upper limb positioner and a lower limb positioner, wherein the upper limb positioner comprises an upper fixed base, an upper rotating part, an upper locking part and a plurality of limiting insertion rods, the upper rotating part is provided with a plurality of limiting holes, the upper rotating part is provided with a first connecting part, the upper fixed base is provided with a second connecting part, the first connecting part is matched with the second connecting part, the upper rotating part and the upper fixed base are detachably hinged and connected through the first connecting part and the second connecting part, and the upper locking part is used for fixing the upper rotating part and the upper fixed base; the upper limb positioners are arranged at two sides of the examining table; the lower limb positioner comprises a lower fixed base, a lower rotating part, a lower locking part and a plurality of limiting insertion rods, wherein a plurality of limiting holes are formed in the lower rotating part, a third connecting part is arranged on the lower rotating part, a fourth connecting part is arranged on the lower fixed base, the lower rotating part and the lower fixed base are detachably hinged and connected through the third connecting part and the fourth connecting part, and the lower locking part is used for fixing the lower rotating part and the lower fixed base; the lower limb positioner is arranged at the middle lower part of the bed surface of the examination bed; the limiting inserted rod can be matched and connected with the limiting hole.

As a preferable technical solution, the first connecting portion is provided at an end position of the upper rotating portion; the third connecting portion is disposed at a center position of the lower rotating portion.

As a preferred technical scheme, the upper fixing base and the lower fixing base have the same structure and are of L-shaped structures consisting of cylinders and flat cylinders, the cylinders face upwards, the flat cylinders are provided with a plurality of screw holes, the screw holes can be fixedly connected with an examination bed through screws, and the screws can be obtained by the prior art.

As a preferable technical solution, the upper locking portion and the lower locking portion have the same structure, and are both bolt structures with flat rotating grips.

As a preferred technical solution, the first connecting portion and the third connecting portion have the same structure and are both cylindrical structures with through holes at the centers, and the through holes can be penetrated by the bolt structures; the second connecting portion is the same as the fourth connecting portion in structure and is of a cylindrical groove structure, a threaded hole is formed in the center of the groove of the second connecting portion, the threaded hole is in adaptive connection with the bolt structure, and the cylindrical groove is in adaptive connection with the cylindrical structure.

As a preferable technical scheme, the upper rotating part is arranged in parallel with the surface of the examination bed, and the vertical distance between the bottom surface of the upper rotating part and the surface of the examination bed is 15-20 cm; the lower rotating part is parallel to the surface of the examining table, and the vertical distance between the bottom surface of the lower rotating part and the surface of the examining table is 20-25 cm.

As a preferable technical solution, the upper rotating part is provided with an auxiliary restraining belt thereon.

As a preferred technical scheme, the limiting inserted rod consists of a closed circular ring and a cylinder.

As a preferred technical solution, the upper fixing base and the lower fixing base may have different structures, the cylinder on the lower fixing base may be disposed at the center of the flat cylinder, and the screw holes on the flat cylinder are symmetrically distributed on two sides of the cylinder.

As a preferred technical scheme, the upper rotating part can be composed of a first body and a second body which are connected in a sliding manner, the second body can be hidden in the first body, a fastening bolt and a corresponding bolt hole are further arranged at the joint of the second body and the first body, and the second body and a limiting hole on the first body can be coincided and communicated.

The utility model has the advantages that:

1. go up rotation portion and last unable adjustment base between articulated, down rotation portion with it is articulated down between the unable adjustment base, can carry out nimble adjustment according to different patients' bodily form and needs to find suitable position and carry out spacing restraint, its device flexibility is high, need not the patient and uses four limbs to match fixed restraint device.

2. A plurality of spacing inserted bar cooperation a plurality of spacing holes can carry out effectual spacing restraint to patient's four limbs left and right sides activity, go up locking portion with locking portion can fasten last rotating part and last unable adjustment base, lower rotating part and unable adjustment base mutually down, can carry out effectual spacing restraint to patient's four limbs activity from top to bottom, just its one end of last rotating part can be in patient abdomen portion or crotch position when the inspection, also plays certain constraint effect to the waist and body.

3. The lower fixing base is arranged at the middle lower part of the examination bed, and can assist a patient to determine the position where the patient needs to lie down and assist the patient to perform integral positioning.

4. Go up unable adjustment base with unable adjustment base all adopts detachable connected mode to link to each other with the inspection bed down, can dismantle at any time when need not using the device.

Drawings

FIG. 1 is a schematic view of the front plane of the CT examination position restraint device.

Fig. 2 is a three-dimensional schematic view of each basic component of the CT examination body position restraint device of the present invention.

Fig. 3 is a schematic sectional view of the upper limb positioner of the CT examination position restraint device of the present invention.

Fig. 4 is a schematic sectional view of the lower limb positioner of the CT examination body position restraint device of the present invention.

FIG. 5 is a schematic cross-sectional view of the lower limb positioner of another CT examination posture restriction device of the present invention.

Fig. 6 is a schematic perspective view of the upper limb positioner of the CT examination position restriction device of the present invention.

Detailed Description

The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by those skilled in the art after reading the disclosure of the present invention, and such equivalents also fall within the scope of the appended claims.

The reference numerals and components referred to in the drawings are as follows:

1. upper limb positioner 2, lower limb positioner 3, limit inserted bar

4. Auxiliary restraint strap 10, through hole 11, upper fixing base

12. Upper rotating part 13, upper locking part 14, limiting hole

15. First connection 16, screw hole 17, screw

18. Second connecting part 19, screw hole 21, lower fixing base

22. Lower rotating part 23, lower locking part 24, third connecting part

25. Fourth connecting part 121, first body 122, second body

123. Fastening bolt

Example 1

Referring to fig. 1 and 2, fig. 1 is a schematic front view of a CT examination position restriction device according to the present invention; fig. 2 is a three-dimensional schematic view of each basic component of the CT examination body position restraint device of the present invention. A CT examination body position restraint device comprises two upper limb positioners 1 and a lower limb positioner 2, wherein each upper limb positioner 1 comprises an upper fixed base 11, an upper rotating part 12, an upper locking part 13 and four limiting insertion rods 3, each upper rotating part 12 is of a long strip-shaped cylinder structure, a plurality of limiting holes 14 distributed at equal intervals are formed in each upper rotating part, each limiting insertion rod 3 is composed of a closed circular ring and a cylinder, each cylinder can penetrate through each limiting hole 14, a first connecting part 15 is further arranged at one end of each upper rotating part 12, each first connecting part 15 is of a cylinder structure with a through hole 10 in the center, an auxiliary restraint belt 4 is fixedly bonded at the other end close to each upper rotating part 12, and each auxiliary restraint belt 4 is an annular wrist guard made of elastic cotton cloth; go up unable adjustment base 11 and be the L shape structure of constituteing by cylinder and flat cylinder, and the cylinder up, be equipped with two screw holes 16 on its flat cylinder, accessible screw 17 links to each other with the inspection bed is fixed, and screw 17 can obtain by prior art, go up unable adjustment base 11's cylinder upper end central point and put and still be equipped with second connecting portion 18, second connecting portion 18 are cylindrical groove structure, and its recess central point puts and still is equipped with screw hole 19, and its cylindrical recess internal diameter with first connecting portion 15's cylinder external diameter is the same. Please refer to fig. 3, fig. 3 is a schematic cross-sectional view of the upper limb positioner of the body position restraint device for CT examination of the present invention. The first connecting portion 15 can be adapted and hinged to the second connecting portion 18, the upper locking portion 13 is a bolt structure with a flat rotating handle, and the bolt structure can penetrate through the through hole 10 on the first connecting portion 15 to be screwed with the threaded hole 19 for fixing the upper rotating portion 12 and the upper fixing base 11; the two upper limb positioners 1 are symmetrically arranged at two sides of the examining table and are arranged in parallel with the bed surface of the examining table, and the vertical distance between the bottom surface of the upper rotating part 12 and the bed surface of the examining table is seventeen centimeters. Please refer to fig. 4, fig. 4 is a schematic cross-sectional view of the lower limb positioner of the body position restriction device for CT examination of the present invention. The lower limb positioner 2 comprises a lower fixing base 21, a lower rotating part 22, a lower locking part 23 and four limiting insertion rods 3, the lower rotating part 12 is of a long-strip-shaped cylinder structure, a plurality of limiting holes 14 distributed at equal intervals are formed in the lower rotating part, the limiting insertion rods 3 can be inserted into the limiting holes 14, a third connecting part 24 is arranged at the central position of the lower rotating part 22, the third connecting part 24 is identical to the first connecting part 15 in structure, the lower fixing base 21 is identical to the upper fixing base 11 in structure, a fourth connecting part 25 is arranged at the central position of the upper end of the cylinder of the lower fixing base 21, the fourth connecting part 25 is identical to the second connecting part 18 in structure, a threaded hole 19 is further arranged at the central position of the groove of the fourth connecting part, the inner diameter of the cylindrical groove of the fourth connecting part is identical to the outer diameter of the cylinder of the third connecting part 24, the lower rotating part 22 is identical to the lower fixing base 21, the third connecting part 24 is The part 25 is detachably hinged, and the lower locking part 23 is consistent with the upper locking part 13 in structure and used for fixing the lower rotating part 22 and the lower fixing base 21; the lower limb positioner 2 is arranged at the middle lower part of the bed surface of the examination bed and is arranged in parallel with the bed surface of the examination bed, and the vertical distance between the bottom surface of the lower rotating part 22 and the bed surface of the examination bed is twenty-three centimeters.

The utility model discloses application method: the upper fixing base 11 and the lower fixing base 21 are fixed on the examination bed through screws 17, and corresponding cushion structures on the examination bed can be provided with corresponding cavities, so that the upper parts of the upper fixing base and the lower fixing base are ensured to be positioned on the outer surfaces, and all components are assembled in sequence. The upper locking part 13 of the upper limb positioner 1 is unscrewed, so that the upper rotating part 12 can rotate around the position of the first connecting part 15, and the direction of the upper rotating part is basically parallel to the lying direction of the human body; the lower locking part 23 of the lower limb locator 2 is also unscrewed, and the lower rotating part 22 is rotated to be substantially parallel to the direction in which the human body lies. Please refer to fig. 1 again; when the patient needs to use the examining table, carry out the low limbs spacing: the lower limb positioner 2 is positioned between two legs of a patient, the lower fixing base 21 is positioned at the position of the knee joint or thigh of the patient, the lower rotating part 22 is rotated, the lower rotating part 22 is made to cross over the two legs of the patient, the lower locking part 23 is screwed down to realize the up-and-down limiting of the legs of the patient, and then the four limiting inserting rods 3 are inserted tightly to the inner side and the outer side of the two legs of the patient through the limiting holes 14 on the lower rotating part 22 to realize the left-and-right limiting of the legs of the patient; limiting the upper limb: the upper rotating part 12 is rotated to be transversely arranged above the elbow joint of the patient, the upper locking part 13 is locked to realize the up-down limiting of the arm, two limiting insertion rods 3 are inserted by being tightly attached to two sides of the arm of the patient through the limiting holes 14 of the upper rotating part 12, one limiting insertion rod 3 is positioned on the outer side of the large arm, the other limiting insertion rod 3 is positioned on the inner side of the small arm, the position of the other limiting insertion rod is close to the elbow joint of the patient, the left limiting operation and the right limiting operation of the arm of the patient are realized, and the left arm and the right arm are subjected to the same limiting operation. The upper rotating part 12 is provided with the auxiliary restraint strap 4, if the individual size of the patient is too small, the arm of the patient can penetrate through the auxiliary restraint strap 4 to fix the upper limb of the patient, and for special patients or patients with extreme mismatch, the auxiliary restraint strap 4 can be used for limiting while the limiting inserted rod is used for limiting.

It should be noted that: the upper rotating part 12 is hinged with the upper fixing base 11, the lower rotating part 22 is hinged with the lower fixing base 21, and flexible adjustment can be performed according to the body shapes and requirements of different patients so as to find a proper position for limiting and restricting; the first connecting part 15 is arranged at the end position of the upper rotating part 12, and the upper limb positioner 1 is arranged at the side edges of two sides of the examining table, so that the first connecting part 15 is arranged at the end part of the upper rotating part 12, and the situation that the other end of the upper limb positioner excessively extends out of the range beyond the examining table after being overlong to cause the rotating position can be prevented, and the use of related examining instruments is influenced; the third connecting part 24 is arranged at the central position of the lower rotating part 22, can be positioned between two legs of a patient during examination, and can help the patient to find a correct examined position to assist in overall positioning; the upper fixing base 11 and the lower fixing base 21 are composed of a cylinder and a flat column, the flat column can be matched with a screw 17 and fixed on an examination bed, a foundation is provided for the stability of the device in the examination process, and a second connecting part 18 is arranged on the cylinder to be matched with a corresponding hinge structure; the first connecting part 15 and the second connecting part 18, and the third connecting part 24 and the fourth connecting part 25 are hinged by adopting a cylindrical and matched cylindrical groove structure, the structure is simple, 360-degree rotation can be realized, and the upper locking part 13 and the lower locking part 23 adopt a bolt structure with a flat rotating handle and are connected and fastened with the threaded hole 19 through the through hole 10, so that the limit failure caused by the rotation between the upper rotating part 12 and the upper fixing base 11 and between the lower rotating part 22 and the lower fixing base 21 can be avoided during inspection; the vertical distance between the bottom surface of the upper rotating part 12 and the bed surface of the examination bed is 15-20 cm, the vertical distance between the bottom surface of the lower rotating part 22 and the bed surface of the examination bed is 20-25 cm, the proper distance is different due to different diameters of upper and lower limbs of a human body, and the situation that the movement space of the upper and lower limbs of a patient is too large and cannot play a limiting and restricting role due to too large distance can be prevented; the limiting inserted rod 3 consists of a closed circular ring and a cylinder, and the closed circular ring is beneficial to taking out the limiting inserted rod; the upper rotating part 12 is provided with an auxiliary restraint belt 4 for the arm of the patient to pass through to assist in limiting and restraining. The structural components of the present application can preferably be made of the same type of material as the bed of a CT or magnetic resonance machine, since such plastics do not cause artifacts and are sufficiently strong.

Example 2

This embodiment is substantially the same as embodiment 1, except that the upper fixing base 11 and the lower fixing base 21 have different structures. Please refer to fig. 5, fig. 5 is a schematic cross-sectional view of a lower limb positioner of another body position restriction device for CT examination of the present invention. The structure of the lower fixing base 21 is changed into a cylinder which is arranged at the center of the flat cylinder, the screw holes 16 on the flat cylinder are symmetrically distributed at the two sides of the upper cylinder, and the change of the structure does not influence the positioning and stabilizing efficiency of the device. In this embodiment, the same components as those in the present application may have different structures, so as to achieve the functions and effects thereof.

Example 3

Please refer to fig. 6, fig. 6 is a perspective view of an upper limb positioner of a CT examination position restriction device of the present invention. The embodiment is substantially the same as embodiment 1, except that the upper rotating part 12 is composed of a first body 121 and a second body 122, the second body 122 is connected with the first body 121 in a sliding manner, the second body 122 can be hidden in the first body 121, a fastening bolt 123 and a corresponding bolt hole are further arranged at a position where the second body 122 is connected with the first body 121, and the second body 122 can be overlapped and communicated with the limiting hole 14 on the first body 121. It should be noted that: the upper rotating part 12 is formed by slidably connecting a first body 121 and a second body 122, and the length of the upper rotating part 12 can be freely adjusted, so that the device is more flexible to use; the fastening bolt 123 is arranged at the position where the second body 122 is connected with the first body 121, after the length of the upper rotating part 12 is adjusted, the fastening bolt 123 can be screwed into the bolt hole on the side wall of the first body 121, and the end part is propped against the side wall of the second body 122 to fasten the first body 121 and the second body 122, so that the device cannot stretch or contract when a patient is examined; the second body 122 can be overlapped and communicated with the limiting hole 14 on the first body 121, so as to be beneficial to the insertion of the limiting inserted rod 3. And the structural modification of the upper rotating part 12 further increases the flexibility and does not influence the use efficiency of the device.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.

Claims

1. A CT examination body position restraining device is characterized by comprising an upper limb positioner and a lower limb positioner, wherein the upper limb positioner comprises an upper fixed base, an upper rotating part, an upper locking part and a plurality of limiting insertion rods, the upper rotating part is provided with a plurality of limiting holes, the upper rotating part is provided with a first connecting part, the upper fixed base is provided with a second connecting part, the first connecting part is matched with the second connecting part, the upper rotating part and the upper fixed base are detachably hinged and connected with the second connecting part through the first connecting part, and the upper locking part is used for fixing the upper rotating part and the upper fixed base; the upper limb positioners are arranged at two sides of the examining table; the lower limb positioner comprises a lower fixed base, a lower rotating part, a lower locking part and a plurality of limiting insertion rods, wherein a plurality of limiting holes are formed in the lower rotating part, a third connecting part is arranged on the lower rotating part, a fourth connecting part is arranged on the lower fixed base, the lower rotating part and the lower fixed base are detachably hinged and connected through the third connecting part and the fourth connecting part, and the lower locking part is used for fixing the lower rotating part and the lower fixed base; the lower limb positioner is arranged at the middle lower part of the bed surface of the examination bed; the limiting inserted rod can be matched and connected with the limiting hole.

2. A CT examination body position restriction device according to claim 1, wherein said first connecting portion is provided at an end position of said upper rotating portion; the third connecting portion is disposed at a center position of the lower rotating portion.

3. The device as claimed in claim 1, wherein the upper and lower fixing bases are identical in structure and are each an L-shaped structure consisting of a cylinder and a flat column, the cylinder faces upward, the flat column is provided with a plurality of screw holes, and the screw holes can be fixedly connected with the examination table by screws, and the screws can be obtained by the prior art.

4. The CT examination body position restriction device of claim 1, wherein the upper locking portion and the lower locking portion have the same structure and are both bolt structures with flat rotating handles.

5. The CT examination body position restriction device according to claim 4, wherein the first connecting part and the third connecting part are the same in structure and are cylinder structures with through holes at the centers, and the through holes can be penetrated by the bolt structures; the second connecting portion is the same as the fourth connecting portion in structure and is of a cylindrical groove structure, a threaded hole is formed in the center of the groove of the second connecting portion, the threaded hole is in adaptive connection with the bolt structure, and the cylindrical groove is in adaptive connection with the cylindrical structure.

6. The CT examination body position restraint device of claim 1, wherein the upper rotating part is installed in parallel with the bed surface of the examination bed, and the vertical distance between the bottom surface of the upper rotating part and the bed surface of the examination bed is 15-20 cm; the lower rotating part is parallel to the surface of the examining table, and the vertical distance between the bottom surface of the lower rotating part and the surface of the examining table is 20-25 cm.

7. A CT examination body position restriction device according to claim 1, characterized in that the upper rotating part is provided with an auxiliary restriction belt.

8. The CT examination body position restriction device of claim 1, wherein the limit inserted rod is composed of a closed ring and a cylinder.

9. The device as claimed in claim 1, wherein the upper fixing base and the lower fixing base have different structures, the cylinder on the lower fixing base can be disposed at the center of the flat cylinder, and the screw holes on the flat cylinder are symmetrically disposed at two sides of the cylinder.

10. The CT examination body position restriction device of claim 1, wherein the upper rotating part comprises a first body and a second body which are connected in a sliding manner, the second body can be hidden in the first body, a fastening bolt and a corresponding bolt hole are further arranged at the joint of the second body and the first body, and the second body and a limiting hole on the first body can be coincided and communicated.