CN212521790U

CN212521790U - CT scanning frame and CT host computer

Info

Publication number: CN212521790U
Application number: CN202020182471.XU
Authority: CN
Inventors: 齐奇; 邵世明
Original assignee: Suzhou Shengnuo Medical Technology Co ltd
Current assignee: Suzhou Shengnuo Medical Technology Co ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2021-02-12
Anticipated expiration: 2030-02-18

Abstract

The utility model relates to a CT scanning frame and CT host computer, include: a support frame (1) and a fixing system (2); the supporting frame (1) comprises a plane bearing (11) and an auxiliary bearing (12), wherein the plane bearing (11) is positioned below the supporting frame (1), and the auxiliary bearing (12) is positioned above the supporting frame (1); the fixing system (2) is connected between the plane bearing (11) and the auxiliary bearing (12), and the fixing system (2) rotates around an axis formed by the plane bearing (11) and the auxiliary bearing (12) in a certain angle range in the horizontal direction. The utility model discloses a support the fixed system and change to the bottom surface of host computer base on, the scanning frame top is equipped with supplementary bearing structure, and sharp push rod is fixed between base and fixed system, through the flexible realization of push rod, realizes the left and right sides slope of scanning frame.

Description

CT scanning frame and CT host computer

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a CT scanning frame and CT host computer.

Background

Traditional CT scanning frame structure, in order to satisfy different scanning conditions, the slope action needs to be realized, current scanning frame fixed system connects two pivots through the fixed plate and installs on the bearing frame, the host computer base is installed to the bearing frame, then the straight line push rod is connected to the fixed plate through the pivot, straight line push rod work makes the fixed plate system can be circular motion around the pivot, when the push rod is done and is released the action, the frame inclines forward, when the push rod withdraws the action, the frame inclines backward.

The whole fixing system is very greatly stressed in the process of inclination, so that the strength requirement on parts of the whole fixing system is very high in order to ensure the safety of the system, and the fatigue resistance and the corrosion resistance of the parts are also very high. Therefore, the conventional fixing plate is made of cast aluminum, and the cast aluminum is expensive, so that the cost is high. In addition, since the push rod is required to drive the weight of the entire fixing system and all the components of the rotating system it carries during the tilting, the thrust requirement on the push rod is very high, and the cost of the corresponding push rod is also very high.

In general, the conventional CT gantry is very costly and economical because of the forward and backward tilt, and the conventional tilt is forward and backward tilt, which is felt to be oppressive by the patient during the scanning process, especially for small-aperture CT.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a CT scanning frame and CT host computer to solve one of the above technical problem that the rotatory in-process of traditional CT host computer meets.

According to the utility model discloses a specific embodiment, the first aspect, the utility model provides a CT scanning frame, include: a support frame 1 and a fixing system 2; the support frame 1 comprises a plane bearing 11 and an auxiliary bearing 12, wherein the plane bearing 11 is positioned below the support frame 1, and the auxiliary bearing 12 is positioned above the support frame 1; the fixing system 2 is connected between the plane bearing 11 and the auxiliary bearing 12, and the fixing system 2 rotates around an axis formed by the plane bearing 11 and the auxiliary bearing 12 in a certain angle range in the horizontal direction.

Optionally, the support frame 1 comprises a horizontal support plate 13, a vertical support plate 14 extending upwards along the horizontal support plate 13, and an auxiliary support plate 15 extending transversely along the vertical support plate 14; the flat bearing 11 is disposed upward of the flat support plate 13, and the auxiliary bearing 12 is disposed downward of the auxiliary support plate 15.

Optionally, the device further comprises a linear push rod 3 fixedly connected between the horizontal support plate 13 and the fixing system 2, and the fixing system 2 is pushed by the linear push rod 3 to horizontally rotate.

Optionally, the fixing system 2 includes: the main frame base 21 and the fixing plate assembly 22 integrally formed with the main frame base 21.

Optionally, the fixing plate assembly 22 includes: a first circular aperture 223 located at the center of the fixed plate assembly 22 and a plurality of second circular apertures 224 surrounding the first circular aperture 223.

Optionally, the bottom end of the host base 21 includes a first blind hole 211 rotating in cooperation with the planar bearing 11; the fixed plate assembly 22 includes a second blind hole 221 for cooperating with the auxiliary bearing 12 for rotation.

Optionally, a reinforcing rib 222 is disposed on one side of the fixing plate assembly 22.

Optionally, the reinforcing rib 222 includes: a first reinforcing rib 2221 extending outwardly along an edge of the fixing plate assembly 22; a second reinforcing rib 2222 connecting the first reinforcing rib 2221 and the first round hole 223; and a third reinforcing rib 2223 connecting the first reinforcing rib 2221 and the main body base 21.

Alternatively, the second reinforcing rib 2222 is positioned between every two adjacent second circular holes 224.

According to the utility model discloses a specific embodiment, the second aspect, the utility model provides a CT host computer, include as above arbitrary CT scan frame.

The utility model discloses above-mentioned scheme of embodiment has following beneficial effect at least:

the utility model provides a CT scan frame and CT host computer, the utility model discloses an on supporting the bottom surface that changes the host computer base with fixed system, the scan frame top is equipped with supplementary bearing structure, and the straight line push rod is fixed between base and fixed system, realizes the slope about the scan frame through the flexible realization of push rod.

Because the whole fixing system is arranged on the base through the plane bearing, all the weight of the fixing system is transmitted to the base through the plane bearing, so that when the rack inclines left and right, the friction torque of the bearing is actually overcome by the push rod, and the force is about 10 times smaller than the weight of the whole rack system, so that the selection range of the push rod is large, and the cost is greatly reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and those skilled in the art will be able to obtain other drawings without inventive exercise.

Fig. 1 is a schematic view of a first three-dimensional structure of a CT gantry according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a second three-dimensional structure of a CT scanning gantry according to an embodiment of the present invention;

fig. 3 is a schematic view of a first three-dimensional structure of a fixing system according to an embodiment of the present invention;

fig. 4 is a schematic view of a second three-dimensional structure of the fixing system according to the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be understood that although the terms first, second, third, etc. may be used in the embodiments of the present application to describe some components, these certain components should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first certain component may also be referred to as a second certain component, and similarly, a second certain component may also be referred to as a first certain component without departing from the scope of embodiments herein.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, according to the present invention, the present invention provides a CT scanning frame, which is used as a main supporting component of a CT system for bearing parts such as a rotation system, a rotation driving component, an electrical component, and an outer cover of the CT system, and the above parts are omitted from description. Ct (computed tomography), among others, is computed tomography. The structure of the CT gantry will be described with emphasis in conjunction with fig. 1 and 2.

The CT scanning frame includes: the CT scanning frame is used for supporting all electrical equipment of the CT scanning system, and specifically, the CT scanning frame includes: a support frame 1 and a fixing system 2; the support frame 1 comprises a plane bearing 11 and an auxiliary bearing 12, wherein the plane bearing 11 is located below the support frame 1, and the auxiliary bearing 12 is located above the support frame 1.

As an alternative embodiment, as shown in fig. 2, the supporting frame 1 includes a horizontal supporting plate 13, a vertical supporting plate 14 extending upward along the horizontal supporting plate 13, and an auxiliary supporting plate 15 extending transversely along the vertical supporting plate 14, wherein the auxiliary supporting plate 15 is shorter than the horizontal supporting plate 13; the flat bearing 11 is upwardly disposed on the flat support plate 13, for example, integrally formed with the flat support plate 13 to form a rotation shaft, and generally, the flat bearing 11 has a thick and short shape structure to support a sufficiently large gravity; the auxiliary bearing 12 is disposed downward on the auxiliary support plate 15, for example, integrally formed with the auxiliary support plate 15 to form a rotation shaft, and the auxiliary bearing 12 generally has a thinner shape than the plane bearing 11 because it does not need to support too much gravity and only plays an auxiliary role during rotation of the fixing system 2.

The fixing system 2 is connected between the plane bearing 11 and the auxiliary bearing 12, and the fixing system 2 rotates around an axis formed by the plane bearing 11 and the auxiliary bearing 12 in a certain angle range in the horizontal direction.

As an optional implementation manner, the CT gantry further includes a linear push rod 3, for example, an electric push rod, fixedly connected between the horizontal support plate 13 and the fixing system 2, the fixing system 2 is pushed by the linear push rod 3 to horizontally rotate, the electric push rod can be controlled by an electric control system of the CT scanning mainframe to extend and retract, and then the fixing system 2 is pushed to laterally rotate left and right, the control system is not a core point of the present application, and for this reason, detailed description is not given, and reference may be made to an electric control system in the prior art.

As shown in fig. 3, the fixing system 2 includes: host computer base 21 and with the fixed plate subassembly 22 of host computer base 21 integrated into one piece, host computer base 21 and fixed plate subassembly 22 integrated into one piece can increase support weight, reduce the assembly part. As a inferior embodiment, the main frame base 21 and the fixing plate assembly 22 may also be formed into an inseparable integral structure through a welding process; the host base 21 includes a horizontal support plate 211 and vertical support plates 212 extending upward along two sides of the horizontal support plate 211; the fixing plate assembly 22 is disposed perpendicular to the vertical support plate 212, and the fixing plate assembly 22 includes: a first circular aperture 223 located at the center of the fixed plate assembly 22 and a plurality of second circular apertures 224 surrounding the first circular aperture 223. The first circular hole 223 has a depth extending perpendicular to the fixed plate assembly 22, wherein an annular rim (not shown) protrudes at the rear of the fixed plate assembly 22 and is flush with the fixed plate assembly 22 at the front of the fixed plate assembly 22. The first circular hole 223 has a larger aperture than the second circular hole 224. The first circular aperture 223 allows a human body to pass through for medical scanning. The second circular hole 224 is used for installing other electrical equipment.

The bottom end of the host base 21 includes a first blind hole (not shown) which is matched with the plane bearing 11 to rotate, and the first blind hole is used for the plane bearing 11 to extend into and rotate; the fixed plate assembly 22 includes a second blind hole (not shown) for cooperating with the auxiliary bearing 12 to rotate, and the second blind hole is used for allowing the auxiliary bearing to extend into and rotate.

As shown in fig. 4, the fixing plate assembly 22 further includes a reinforcing rib 222 disposed on one surface of the fixing plate assembly 22 for increasing the rigidity of the movable CT gantry. Wherein the reinforcing rib 222 includes: a first reinforcing rib 2221 extending outwardly along an edge of the fixing plate assembly 22; a second reinforcing rib 2222 connecting the first reinforcing rib 2221 and the first round hole 223; and a third reinforcing rib 2223 connecting the first reinforcing rib 2221 and the horizontal support plate 211. The first reinforcing ribs 2221 are provided along the periphery of the fixing plate assembly 22 to form an octagonal profile structure. The first reinforcing rib and the second reinforcing rib of the octagon can stably ensure that the electrical equipment of the CT scanning equipment can be supported. Through the setting of second strengthening rib, provide the bearing capacity of vertical direction, guaranteed the stability of supporting weight more. Because three groups of reinforcing rib structures are arranged, hollow-out structures can be arranged at certain positions, so that the whole weight of the fixing system is reduced on the premise of not reducing the bearing weight, and the structure is specifically described below.

Alternatively, the second reinforcing rib 2222 is positioned between every two adjacent second circular holes 224. The second circular holes 224 are uniformly distributed around the first circular hole 223, for example, 8 second circular holes 224 are arranged among 8 second reinforcing ribs 2222 at intervals. However, the number is not particularly limited.

Alternatively, the first reinforcing rib 2221 extends in the vertical direction from the vertical support plate 212. So that the vertical one of the first reinforcing ribs 2221 coincides with the vertical support plate 212, which further enhances the rigidity of the mobile CT gantry.

Optionally, the fixing plate assembly 22 further includes a hollow structure 225 located below the first reinforcing rib 2221. Optionally, the front end of the horizontal support plate 211 is provided with a rectangular hole 2111, and the rear end is provided with an inward recessed structure 2112. Optionally, the vertical support plate 212 is provided with a plurality of irregular through holes 2121. On one hand, the hollow structure 225, the rectangular hole 2111 and the irregular through hole 2121 can reduce the weight of the CT rack, and can be used for fixing other electrical equipment of the CT system.

The utility model provides a CT scanning frame, the utility model discloses a support the fixed system and change to the bottom surface of host computer base on, the scanning frame top is equipped with supplementary bearing structure, and sharp push rod is fixed between base and fixed system, realizes the slope about the scanning frame through the flexible realization of push rod.

In addition, for the mounting structure, the requirements on the strength and the fatigue strength of the fixing system are greatly reduced, so that the structure of the whole fixing system can be greatly simplified, meanwhile, a steel plate welding structure is used, and the material cost can be reduced by about 70% compared with the traditional cast aluminum material cost. The cost of the CT scanning frame fixing system is greatly reduced, and is about 30% of the traditional structure. During oblique scanning, the patient experience becomes good, can not bring the sense of oppression, brings more comfortable experience to sensitive patient or children and the patient that has claustrophobia.

Based on the utility model discloses an implementation mode, the embodiment of the utility model provides a CT host computer, include as above embodiment the CT scanning frame to and spare parts such as rotating system, rotary drive part, electrical component, dustcoat. The arrangement of the components such as the rotary system, the rotary driving component, the electrical component, the housing and the like can be found in the prior art and will not be described.

The utility model provides a CT host computer, the utility model discloses a support the fixed system and change to the bottom surface of host computer base on, the scanning frame top is equipped with supplementary bearing structure, and sharp push rod is fixed between base and fixed system, realizes through the flexible realization of push rod that the slope about the scanning frame is realized.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A CT gantry, comprising: a support frame (1) and a fixing system (2);

the supporting frame (1) comprises a plane bearing (11) and an auxiliary bearing (12), wherein the plane bearing (11) is positioned below the supporting frame (1), and the auxiliary bearing (12) is positioned above the supporting frame (1);

the fixing system (2) is connected between the plane bearing (11) and the auxiliary bearing (12), and the fixing system (2) rotates around an axis formed by the plane bearing (11) and the auxiliary bearing (12) in a certain angle range in the horizontal direction.

2. The CT gantry according to claim 1, wherein the support frame (1) comprises a horizontal support plate (13), a vertical support plate (14) extending upwards along the horizontal support plate (13), and an auxiliary support plate (15) extending transversely along the vertical support plate (14); the plane bearing (11) is upwards arranged on the plane supporting plate (13), and the auxiliary bearing (12) is downwards arranged on the auxiliary supporting plate (15).

3. The CT gantry of claim 2, further comprising a linear push rod (3) fixedly connected between the horizontal support plate (13) and the fixing system (2), wherein the fixing system (2) is horizontally rotated by the push of the linear push rod (3).

4. CT gantry according to claim 1, characterized in that the fixation system (2) comprises: the host computer comprises a host computer base (21) and a fixed plate component (22) which is integrally formed with the host computer base (21).

5. The CT gantry of claim 4, wherein the fixed plate assembly (22) includes: a first circular hole (223) located at the center of the fixed plate assembly (22) and a plurality of second circular holes (224) surrounding the first circular hole (223).

6. The CT gantry of claim 4, wherein the bottom end of the main machine base (21) comprises a first blind hole cooperating with the plane bearing (11) for rotation; the fixed plate component (22) comprises a second blind hole which is matched with the auxiliary bearing (12) to rotate.

7. The CT gantry of claim 5, wherein the fixed plate assembly (22) is provided with a stiffener (222) on one side.

8. The CT gantry of claim 7, wherein the stiffener (222) comprises: a first reinforcing rib (2221) extending outwards along the edge of the fixed plate component (22); a second reinforcing rib (2222) connecting the first reinforcing rib (2221) and the first round hole (223); and a third reinforcing rib (2223) connecting the first reinforcing rib (2221) and the main unit base (21).

9. The CT gantry of claim 8, wherein the second ribs (2222) are located between every two adjacent second circular holes (224).

10. A CT mainframe comprising a CT gantry according to any of claims 1-9.