A head fixing mechanism for a support bed of a radiology X-ray film camera

Abstract

The present invention belongs to the field of medical device assistance technology and discloses a head fixing mechanism for a support bed of a radiology X-ray film camera, including an X-ray machine and a support bed. Through the cooperation of structures such as setting and etc., the folding and pulling of the limiting ring are made to fit the patient's mandible. The first telescopic cylinder extends and sucks the air inside the first notch, the negative pressure moves the sealing plate, and the sealing plate pushes the guiding plate and the derivation plate to fold through the push rod. The pressing plate gradually touches and fixes the patient's head. Pull the limiting ring until the mandible is fixed by the limiting ring. When the derivation plate continues to fold, the third spring piece bends, so as not to damage the patient's head. When the patient's head shakes, several positioning components simultaneously limit the patient's head. When the patient wants to get up, the frictional force generated by the patient's scalp and the pressing plate will force it to drive the guiding plate and the derivation plate to fold and pull the push rod and the sealing plate. Since the first notch restricts the sealing plate, the patient will have difficulty moving the head, thereby reducing the generation of artifacts.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical device assistance, and specifically relates to a head fixing mechanism for a support bed of a radiology X-ray radiograph machine. Background Art

[0002] A radiology X-ray radiograph machine, usually simply referred to as an X-ray machine or an X-ray apparatus, is an imaging diagnostic device widely used in the medical field. It generally consists of an examination bed and an X-ray radiograph machine. The examination bed can be understood as a support bed. During the radiographing process, generally, a patient lies on the examination bed, and the doctor will also instruct the patient to keep the body in a relatively static state to avoid artifacts in the image and reduce the image quality. Similarly, artifacts can also cause the doctor to miss lesions, misdiagnose, or fail to diagnose during the subsequent examination of the image.

[0003] It should be particularly noted that due to people's instinctive fear of the unknown, during the radiographing process, when the X-ray irradiates the eyes, the patient's head swings slightly more frequently, which will increase the probability of artifact formation. In most of the existing examination beds in the prior art, there is no effective mechanism for fixing the patient's head, which will proportionally increase the problem of artifacts in the later image and reduce the quality of the X-ray film. Therefore, we provide a head fixing mechanism for a support bed of a radiology X-ray radiograph machine. Summary of the Invention

[0004] To solve the problems raised in the above background art, the present invention provides a head fixing mechanism for a support bed of a radiology X-ray radiograph machine, which solves the problem that in most of the existing examination beds in the prior art, there is no effective mechanism for fixing the patient's head, and the patient's head swings slightly more frequently, increasing the probability of artifact formation.

[0005] To achieve the above object, the present invention provides the following technical solution: A head fixing mechanism for a support bed of a radiology X-ray radiograph machine, including an X-ray machine and a support bed, and further including;

[0006] A base installed on the top of the support bed;

[0007] A bearing ring provided on the base, the bearing ring is semi-circular, and a plurality of first notches arranged at equal angles in the circumferential direction are opened inside the bearing ring;

[0008] A plurality of positioning components installed on the bearing ring at equal angles in the circumferential direction;

[0009] A limit component installed on the side of the bearing ring;

[0010] The positioning component includes a guiding plate hinged to the lower end of the inner wall of the bearing ring. The upper end of the inner wall of the bearing ring is hinged with a pushing plate. The top of the guiding plate slides on the pushing plate. The bottom of the pushing plate is elastically connected with a pressing plate through a third spring piece. The middle part of the pressing plate is hinged to the bottom of the pushing plate. A sealing plate is slidably installed inside the first notch. The side of the sealing plate slides on the side of the guiding plate through a push rod;

[0011] All the first notches are communicated with each other;

[0012] The limiting component includes two first telescopic cylinders communicated with the first notch. A tension spring is arranged inside the first telescopic cylinder. The tops of the two first telescopic cylinders are jointly hinged with a limiting ring;

[0013] The head fixing mechanism for the radiology X-ray film camera support bed further includes a buffer component and an air extraction component installed on the buffer component.

[0014] Preferably, the positioning component further includes a rubber layer pasted on the side of the pressing plate. A sealed state is formed between each first notch and the sealing plate.

[0015] Preferably, the limiting ring is arc-shaped and a rubber block is arranged in the middle. The telescopic end of the first telescopic cylinder is slidably installed on the top of the base. The two first telescopic cylinders are respectively arranged at both ends of the bearing ring.

[0016] Preferably, the limiting component further includes a limiting plate elastically connected to the side of the telescopic end of the first telescopic cylinder through a first spring piece. The limiting plate is slidably installed on the side of the telescopic end of the first telescopic cylinder. A limiting rod that always abuts against the top of the limiting plate is installed on the outside of the limiting ring.

[0017] Preferably, the buffer component includes a base. A corrugated pipe is communicated with the top of the base. A plurality of air cylinders are communicated inside the corrugated pipe. A closing plate is elastically connected to the inside of each air cylinder through a spring. A telescopic plate is communicated with the side of the air cylinder.

[0018] Preferably, the positioning component further includes a second notch opened at the bottom of the sealing plate. A second notch penetrating through the bottom of the bearing ring is also arranged inside the first notch. The second notch is adapted to the telescopic end of the telescopic plate. The telescopic end of the telescopic plate is always located inside the second notch on the first notch.

[0019] Preferably, the air extraction component includes a second telescopic cylinder installed inside the base and communicated with the inside of the corrugated pipe. A handle is fixedly installed at the telescopic end of the second telescopic cylinder.

[0020] Preferably, the handle is arc-shaped. The side of the handle is elastically connected to the side of the base through two symmetrically arranged second spring pieces.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] Through the cooperation of structures such as setting [structures not specified in the original] and [structures not specified in the original], the present invention folds and pulls the limiting ring to fit the patient's mandible. The first telescopic cylinder extends and sucks the air inside the first notch, creating negative pressure to move the sealing plate. The sealing plate pushes the guiding plate and the derivation plate to fold through the push rod. The pressing plate gradually touches and fixes the patient's head, and the limiting ring is pulled until the mandible is fixed by the limiting ring. When the derivation plate continues to fold, the third spring piece bends, thus not damaging the patient's head. When the patient's head shakes, several positioning components simultaneously limit the patient's head. When the patient wants to get up, the frictional force generated between the patient's scalp and the pressing plate will force the patient to drive the guiding plate and the derivation plate to fold and pull the push rod and the sealing plate. Since the first notch restricts the sealing plate, the patient will have difficulty moving the head, thereby reducing the generation of artifacts.

[0023] Through the cooperation of structures such as setting the positioning components and the limiting components, when the positioning components perform the fixing work, the rubber layer will first contact the patient's head. At this time, the pressing plate provides a supporting force for the fixing work, and the toughness of the rubber layer helps the device not to damage the patient's head, further improving the comfort during the use of the device; when the limiting ring folds and fits the patient's mandible, to prevent the limiting ring from falling off the mandible bone and pressing on the patient's throat, the first spring piece still supports the bottom of the limiting rod through the limiting plate, so that the limiting ring will not fold excessively, further protecting the patient.

[0024] Through the cooperation of structures such as setting the buffer components and the positioning components, the patient's head first contacts and squeezes the air inside the corrugated pipe into the air cylinder, pushing the closing plate to compress the spring. The time for the corrugated pipe to provide toughness increases, buffering the impact force when the patient lies down and improving the patient's comfort. The air in the air cylinder enters the telescopic plate and forces it to extend. When the positioning components fix the patient's head, the second notch on the sealing plate and the second notch in the first notch will be in a coincident state. The telescopic end of the telescopic plate will finally penetrate both second notches at the same time. At this time, the telescopic end of the first telescopic cylinder is difficult to retract and forces the air inside it to enter the first notch, and the positioning components are also in a fixed state, thereby reducing the formation of artifacts while also improving the stability of the device. Thereby reducing the formation of artifacts while also improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic diagram of the external structure of the present invention;

[0026] Figure 2 is a schematic diagram of the base of the present invention and the structure on top of it;

[0027] Figure 3 is a schematic diagram of the second working position of the limiting ring of the present invention;

[0028] Figure 4 For the present invention Figure 3 Enlarged schematic view of part A in the present invention;

[0029] Figure 5 For the present invention Figure 3 Enlarged schematic view of part B in the present invention;

[0030] Figure 6 Internal structure schematic view of the bearing ring and the first telescopic cylinder of the present invention;

[0031] Figure 7 Internal structure and working cooperation schematic view of the buffer assembly and the positioning assembly of the present invention;

[0032] Figure 8 Structural cooperation schematic view of the buffer assembly and the positioning assembly of the present invention.

[0033] In the figure: 1. X-ray machine; 2. Support bed; 3. Base; 4. Bearing ring; 41. First notch; 5. Limit assembly; 51. First telescopic cylinder; 52. Limit ring; 53. Tension spring; 54. First spring plate; 55. Limit plate; 56. Limit rod; 6. Buffer assembly; 61. Base; 62. Bellows; 63. Air cylinder; 64. Telescopic plate; 65. Spring; 66. Sealing plate; 7. Air extraction assembly; 71. Second telescopic cylinder; 72. Handle; 73. Second spring plate; 8. Positioning assembly; 81. Guide plate; 82. Deduction plate; 83. Extrusion plate; 84. Rubber layer; 85. Third spring plate; 86. Sealing plate; 87. Push rod; 88. Second notch. Detailed implementation manners

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0035] As Figures 1 to 8 shown, the present invention provides a head fixing mechanism for a support bed of a radiology X-ray radiographing machine, including an X-ray machine 1 and a support bed 2, and further including;

[0036] A base 3 installed on the top of the support bed 2;

[0037] A bearing ring 4 arranged on the base 3, the bearing ring 4 is semi-circular, and a plurality of first notches 41 arranged at equal angles in the circumferential direction are formed inside the bearing ring 4;

[0038] A plurality of positioning assemblies 8 circumferentially and equally angledly installed on the bearing ring 4;

[0039] The limiting component 5 installed on the side of the bearing ring 4;

[0040] The positioning component 8 includes a guiding plate 81 hinged to the lower end of the inner wall of the bearing ring 4, and a pushing plate 82 is hinged to the upper end of the inner wall of the bearing ring 4. The top of the guiding plate 81 slides on the pushing plate 82. The bottom of the pushing plate 82 is elastically connected with a pressing plate 83 through a third spring piece 85. The middle of the pressing plate 83 is hinged to the bottom of the pushing plate 82. A sealing plate 86 is slidably installed inside the first notch 41, and the side of the sealing plate 86 slides on the side of the guiding plate 81 through a push rod 87;

[0041] Each first notch 41 is communicated;

[0042] The limiting component 5 includes two first telescopic cylinders 51 communicated with the first notch 41. A tension spring 53 is arranged inside the first telescopic cylinder 51. The tops of the two first telescopic cylinders 51 are jointly hinged with a limiting ring 52;

[0043] The head fixing mechanism for the X-ray radiography support bed in the radiology department further includes a buffer component 6 and an air extraction component 7 installed on the buffer component 6.

[0044] Adopting the above scheme: When the patient lies on the support bed 2 and the head is located on the top of the buffer component 6, the limiting ring 52 can be folded and pulled, so that the limiting ring 52 fits against the patient's mandible. When the limiting ring 52 is pulled, the first telescopic cylinder 51 extends and sucks the air inside the first notch 41, so that the negative pressure moves the sealing plate 86. The sealing plate 86 pushes the top of the guiding plate 81 to fold outwards through the push rod 87. The top of the guiding plate 81 then pushes the bottom of the pushing plate 82 to fold outwards. The pressing plate 83 will gradually touch the patient's head and finally fix the patient's head. If the limiting ring 52 still does not fit against the patient's mandible at this time, the limiting ring 52 can be continuously pulled until the patient's mandible is fixed by the limiting ring 52. When the pushing plate 82 continues to fold, the third spring piece 85 will be bent, so that the pressing plate 83 will not forcibly fix and damage the patient's head;

[0045] When the patient's head shakes, several positioning components 8 will simultaneously limit the patient's head. When the patient wants to get up, the friction force generated between the patient's scalp and the pressing plate 83 will force it to drive the guiding plate 81 and the pushing plate 82 to fold and pull the push rod 87 and the sealing plate 86. However, due to the first notch 41 restricting the sealing plate 86, the patient will be difficult to move the head, thereby reducing the generation of artifacts;

[0046] As Figures 1-4 shown, the positioning component 8 further includes a rubber layer 84 pasted on the side of the pressing plate 83. Each first notch 41 and the sealing plate 86 are in a sealed state.

[0047] Adopting the above solution: When the positioning component 8 is performing the fixing work, the rubber layer 84 will come into contact with the patient's head first. At this time, the pressing plate 83 provides the supporting force for the fixing work, and the toughness of the rubber layer 84 helps the device not to damage the patient's head, further improving the comfort of the device during use;

[0048] The sealing relationship between the first notch 41 and the sealing plate 86 enables the negative pressure to drive the sealing plate 86 to move more quickly and sensitively, thereby improving the working efficiency of the device.

[0049] Such as Figures 1-5 shown, the limiting ring 52 is arc-shaped and a rubber block is arranged in the middle. The telescopic end of the first telescopic cylinder 51 is slidably installed on the top of the base 3, and the two first telescopic cylinders 51 are respectively arranged at both ends of the bearing ring 4.

[0050] The limiting component 5 further includes a limiting plate 55 elastically connected to the side surface of the telescopic end of the first telescopic cylinder 51 through a first spring piece 54. The limiting plate 55 is slidably installed on the side surface of the telescopic end of the first telescopic cylinder 51, and a limiting rod 56 that always abuts against the top of the limiting plate 55 is installed on the outer side of the limiting ring 52.

[0051] Adopting the above solution: When the limiting ring 52 is folded to the top of the bearing ring 4, the first spring piece 54 still forces the limiting plate 55 to closely adhere to the limiting rod 56, thereby preventing the limiting ring 52 from shaking randomly due to external force and damaging the hinge joint between the first telescopic cylinder 51 and the limiting ring 52;

[0052] When the limiting ring 52 is folded and fits against the patient's mandible, to prevent the limiting ring 52 from falling off the mandible bone and pressing on the patient's throat, the first spring piece 54 still supports the bottom of the limiting rod 56 through the limiting plate 55, so that the limiting ring 52 will not be folded excessively, further protecting the patient.

[0053] Such as Figures 1-7 shown, the buffer component 6 includes a base 61. A bellows 62 is communicated with the top of the base 61. A plurality of air cylinders 63 are communicated inside the bellows 62. A closing plate 66 is elastically connected to the inside of each air cylinder 63 through a spring 65, and a telescopic plate 64 is communicated with the side surface of the air cylinder 63.

[0054] Adopting the above solution: When the patient lies down, their head will come into contact with the bellows 62 first. Its toughness will not damage the back of the patient's head. At the same time, the air in the bellows 62 enters the air cylinder 63, pushing the closing plate 66 to compress the spring 65. At this time, the air flows slowly, so that the time for the bellows 62 to provide toughness is increased. Further, it can also buffer the impact force when the patient lies down, improving the comfort of the patient during use.

[0055] Such as Figures 1-7As shown, the positioning component 8 further includes a second notch 88 formed at the bottom of the sealing plate 86. A second notch 88 that penetrates through the bottom of the bearing ring 4 is also provided inside the first notch 41. The second notch 88 is adapted to the telescopic end of the telescopic plate 64, and the telescopic end of the telescopic plate 64 is always located inside the second notch 88 on the first notch 41.

[0056] With the above solution: When the closing plate 66 is pushed and moved by air pressure, the air inside the air cylinder 63 will enter the telescopic plate 64 and force it to extend. When the positioning component 8 has fixed the patient's head, the second notch 88 on the sealing plate 86 and the second notch 88 in the first notch 41 will be in a coincident state, and the telescopic end of the telescopic plate 64 will finally penetrate through both second notches 88 at the same time, further locking the position of the sealing plate 86. At this time, it is difficult for the telescopic end of the first telescopic cylinder 51 to retract and forces the air inside it to enter the first notch 41, and the positioning component 8 is also in a fixed state, thereby reducing the formation of artifacts while improving the stability of the device.

[0057] As Figures 1-7 shown, the air extraction component 7 includes a second telescopic cylinder 71 installed inside the base 61 and communicating with the inside of the corrugated pipe 62. A handle 72 is fixedly installed at the telescopic end of the second telescopic cylinder 71.

[0058] The handle 72 is arc-shaped, and the side surface of the handle 72 is elastically connected to the side surface of the base 61 through two symmetrically arranged second spring pieces 73.

[0059] With the above solution: After taking an X-ray, pull the telescopic end of the second telescopic cylinder 71 through the handle 72 to extract the air inside the corrugated pipe 62 and the air cylinder 63. The closing plate 66 returns to its original position, and the telescopic plate 64 no longer penetrates through both second notches 88 at the same time to limit the position of the sealing plate 86. At this time, the first telescopic cylinder 51 can freely expand and contract to release the fixed posture of the patient, further improving the convenience of using the device. After all the work is completed, the second spring piece 73 pulls the handle 72 back to its original position, thus facilitating the next operation.

[0060] The working principle and usage process of the present invention:

[0061] When the patient lies on the support bed 2 and the head is located on top of the buffer assembly 6, the head first contacts the corrugated pipe 62. The air inside the corrugated pipe 62 enters the air cylinder 63, pushing the closing plate 66 to compress the spring 65. When the closing plate 66 is pushed and moved by the air pressure, the air inside the air cylinder 63 enters the telescopic plate 64 and forces it to extend, folding and pulling the limit ring 52, so that the limit ring 52 fits against the patient's mandible. When the limit ring 52 is pulled, the first telescopic cylinder 51 extends and sucks the air inside the first notch 41, so that the negative pressure moves the sealing plate 86. The sealing plate 86 pushes the top of the guiding plate 81 to fold outwards through the push rod 87. The top of the guiding plate 81 then pushes the bottom of the pushing plate 82 to fold outwards, and the pressing plate 83 will gradually touch the patient's head and finally fix the patient's head. The second notch 88 on the sealing plate 86 and the second notch 88 in the first notch 41 will be in a coincident state, and the telescopic end of the telescopic plate 64 will finally penetrate through the two second notches 88 at the same time, further locking the position of the sealing plate 86;

[0062] After taking the X-ray, pull the telescopic end of the second telescopic cylinder 71 through the handle 72 and extract the air inside the corrugated pipe 62 and the air cylinder 63. The closing plate 66 returns to its original position, and the telescopic plate 64 no longer penetrates through the two second notches 88 at the same time to limit the position of the sealing plate 86. At this time, the first telescopic cylinder 51 can freely expand and contract and release the fixed posture of the patient.

[0063] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0064] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A head fixing mechanism for a support bed of a radiology X-ray radiographing machine, comprising an X-ray machine (1) and a support bed (2), characterized in that, Further included are; A base (3) installed on the top of the support bed (2); A bearing ring (4) provided on the base (3), the bearing ring (4) being semi-circular, and a number of first notches (41) arranged at equal angles circumferentially are formed inside the bearing ring (4); A number of positioning components (8) installed circumferentially at equal angles on the bearing ring (4); A limiting component (5) installed on the side of the bearing ring (4); The positioning component (8) includes a guiding plate (81) hinged to the lower end of the inner wall of the bearing ring (4), a pushing plate (82) is hinged to the upper end of the inner wall of the bearing ring (4), the top of the guiding plate (81) slides on the pushing plate (82), the bottom of the pushing plate (82) is elastically connected to a pressing plate (83) through a spring plate three (85), the middle of the pressing plate (83) is hinged to the bottom of the pushing plate (82), a sealing plate (86) is slidably installed inside the first notch (41), and the side of the sealing plate (86) slides on the side of the guiding plate (81) through a push rod (87); Each of the first notches (41) communicates with each other; The limiting component (5) includes two first telescopic cylinders (51) communicating with the first notch (41), a tension spring (53) is arranged inside the first telescopic cylinder (51), and the tops of the two first telescopic cylinders (51) are jointly hinged to a limiting ring (52); The head fixing mechanism for the radiology X-ray film shooting machine support bed further includes a buffer component (6) and an air extraction component (7) installed on the buffer component (6); The positioning component (8) further includes a rubber layer (84) pasted on the side of the pressing plate (83), and a sealed state is formed between each of the first notches (41) and the sealing plate (86); The limiting ring (52) is arc-shaped and a rubber block is arranged in the middle, the telescopic end of the first telescopic cylinder (51) is slidably installed on the top of the base (3), and the two first telescopic cylinders (51) are respectively arranged at both ends of the bearing ring (4); The limiting component (5) further includes a limiting plate (55) elastically connected to the side of the telescopic end of the first telescopic cylinder (51) through a spring plate one (54), the limiting plate (55) is slidably installed on the side of the telescopic end of the first telescopic cylinder (51), and a limiting rod (56) that always abuts against the top of the limiting plate (55) is installed on the outer side of the limiting ring (52); The buffer component (6) includes a base (61), a bellows (62) is communicated with the top of the base (61), a number of air cylinders (63) are communicated inside the bellows (62), a closing plate (66) is elastically connected to the inside of each of the air cylinders (63) through a spring (65), and a telescopic plate (64) is communicated with the side of the air cylinder (63); The positioning component (8) further includes a second notch (88) formed in the bottom of the sealing plate (86). A second notch (88) penetrating through the bottom of the bearing ring (4) is also provided inside the first notch (41). The second notch (88) is adapted to the telescopic end of the telescopic plate (64), and the telescopic end of the telescopic plate (64) is always located inside the second notch (88) in the first notch (41). The air extraction component (7) includes a second telescopic cylinder (71) installed inside the base (61) and communicating with the inside of the corrugated pipe (62). A handle (72) is fixedly installed at the telescopic end of the second telescopic cylinder (71). The handle (72) is arc-shaped, and the side surface of the handle (72) is elastically connected to the side surface of the base (61) through two symmetrically arranged spring pieces (73).

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