CN117530712A

CN117530712A - SPECT rack structure

Info

Publication number: CN117530712A
Application number: CN202311517990.1A
Authority: CN
Inventors: 杨志山; 李姣; 马鑫
Original assignee: Shanghai Guangmai Medical Technology Co ltd
Current assignee: Shanghai Guangmai Medical Technology Co ltd
Priority date: 2023-11-15
Filing date: 2023-11-15
Publication date: 2024-02-09

Abstract

The invention provides a SPECT frame structure, which comprises a first connecting component, at least one second connecting component and at least one SPECT probe; the first connecting component comprises a first rotating piece and a first swinging rod, the first end of the first rotating piece is rotatably connected with a mounting plane for mounting the SPECT frame structure, the first rotating piece can rotate in the first plane, the first end of the first swinging rod is in swinging connection with the second end of the first rotating piece, and the first swinging rod can swing in the second plane; the second connecting component comprises a second rotating piece and a second swinging rod, the first end of the second rotating piece is rotatably connected with the second end of the first swinging rod, and the second rotating piece can rotate in a third plane; the first end of the second swinging rod is in swinging connection with the second end of the second rotating piece, and the second swinging rod can swing in a fourth plane; one of the SPECT probes is connected to a second end of one of the second swing rods.

Description

SPECT rack structure

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a SPECT rack structure.

Background

The existing Single-photon emission computed tomography (SPECT) equipment has the characteristics of large overall occupied area, inflexible movement and the like, so that a detection space is narrow, and a patient is easy to generate tension; meanwhile, the equipment is fixed on the ground, and the movable space is limited. Developing a SPECT device with multi-directional transform detection while reducing the footprint and reducing patient claustrophobia becomes a highly desirable problem.

It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the invention and thus may include information that does not form the prior art that is already known to those of skill in the art.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a SPECT frame structure, which can enable a plurality of independent SPECT probes to be placed at any angle through rotation on different planes of a first connecting component and each second connecting component, so that the placing angle of the SPECT probes can be changed according to different body type characteristics of patients and different detection positions, and a multi-azimuth conversion detection means is provided.

Some examples of the present invention provide a SPECT gantry structure including a first connection assembly, at least one second connection assembly, and at least one SPECT probe;

the first connecting component comprises a first rotating piece and a first swinging rod, the first end of the first rotating piece is rotatably connected with a mounting plane for mounting the SPECT rack structure, the first rotating piece can rotate in the first plane, the first end of the first swinging rod is in swinging connection with the second end of the first rotating piece, and the first swinging rod can swing in the second plane;

the second connecting component comprises a second rotating piece and a second swinging rod, the first end of the second rotating piece is rotatably connected with the second end of the first swinging rod, and the second rotating piece can rotate in a third plane; the first end of the second swinging rod is in swinging connection with the second end of the second rotating piece, and the second swinging rod can swing in a fourth plane;

one of the SPECT probes is connected to a second end of one of the second swing rods.

According to some examples of the invention, the first plane is not perpendicular to a mounting plane of the SPECT gantry structure.

According to some examples of the invention, the second plane is perpendicular to the first plane; and/or

The third plane is parallel to the second plane; and/or

The fourth plane is perpendicular to the mounting plane of the SPECT gantry structure.

According to some examples of the invention, the first end of the first rotating member is fixedly connected to the mounting plane of the SPECT gantry structure by a spherical connecting rod, and an end of the spherical connecting rod facing away from the mounting plane is a spherical end;

the first end of the first rotating piece is of a connecting sleeve structure, and the spherical end of the spherical connecting rod is movably arranged in the connecting sleeve structure.

According to some examples of the invention, the first end of the ball joint rod is an external thread structure or an internal thread structure.

According to some examples of the invention, the SPECT gantry structure further comprises a base provided with an internal or external thread structure adapted to the first end of the ball-shaped connecting rod.

According to some examples of the present invention, the second end of the first rotating member is provided with two first supporting seats, the first rotating shaft is disposed between the two first supporting seats, and the first end of the first swinging rod is sleeved on the first rotating shaft.

According to some examples of the invention, the SPECT gantry structure further includes a first electromagnetic brake that controls the angle of rotation of the first shaft.

According to some examples of the present invention, the SPECT gantry structure further includes two second connection assemblies, and two sides of the second end of the first swing rod are respectively provided with a second rotation shaft;

the first end of each second rotating piece is sleeved on one second rotating shaft.

According to some examples of the invention, the SPECT gantry structure further includes a second electromagnetic brake that controls the angle of rotation of the second rotation member.

According to some examples of the invention, the second end of the second rotating member and the first end of the second swing lever are connected by a third rotating shaft.

According to some examples of the invention, the SPECT gantry structure further includes a third electromagnetic brake that controls the angle of rotation of the second swing rod.

According to some examples of the invention, the first rotatable member is rotatable in a first plane by an angle α;

the first swinging rod can swing in a second plane by an angle beta;

the second rotating piece can rotate in a third plane by an angle theta;

the angle of the second swinging rod capable of swinging in the fourth plane is phi;

at least the following conditions are satisfied:

the angle alpha is 360 degrees;

the angle beta is 180 degrees;

the angle theta is 360 degrees; and

the angle phi is 270 deg..

According to some examples of the invention, the SPECT gantry structure further includes at least one mounting box for housing the SPECT probe;

the mounting box is connected with the second end of the second swinging rod through a bolt.

According to some examples of the invention, the SPECT gantry structure further includes at least one handle disposed to the mounting box.

The SPECT rack structure can be hung and installed on a plane, so that the ground space is greatly saved, the indoor space for detection is enlarged, and the tension emotion of a patient is reduced; the rotation on the different planes of the first connecting component and the second connecting components can enable the independent SPECT probes to be placed at any angle, so that the placing angle of the SPECT probes can be changed according to different body type characteristics of patients and different detection positions. The SPECT rack structure reduces the counterweight, wiring and the like used by large-scale equipment, optimizes the process and reduces the production cost; the non-closed design reduces the occurrence of claustrophobia of the patient, simultaneously allows the patient to relax for detection, can be matched with doctors better, and improves the detection efficiency; in addition, multi-azimuth transformation detection, such as multi-azimuth transformation detection scanning, can reduce the generation of artifacts in the scanning process, and greatly improve the diagnosis accuracy.

Drawings

Other features, objects, and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments, which is incorporated in and forms a part of the specification, illustrating embodiments consistent with the present application, and together with the description serve to explain the principles of the present application, by referring to the following figures. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art. Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.

FIG. 1 is a schematic diagram of a SPECT gantry structure according to an embodiment of the present invention;

FIG. 2 is a side view of a SPECT gantry structure in accordance with an embodiment of the present invention;

FIG. 3 is a perspective view of a SPECT gantry structure in accordance with an embodiment of the present invention; and

fig. 4 is a schematic structural view of an electromagnetic brake according to an embodiment of the present invention.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present specification. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples and the features of the different embodiments or examples presented in this specification may be combined and combined by those skilled in the art without contradiction.

Throughout the specification, when a device is said to be "connected" to another device, this includes not only the case of "direct connection" but also the case of "indirect connection" with other elements interposed therebetween. Terms representing relative spaces such as "front", "rear", "upper", "lower", and the like may be used to more easily describe the relationship of one device to another device illustrated in the figures. Such terms refer not only to the meanings indicated in the drawings, but also to other meanings or operations of the device in use. For example, if the device in the figures is turned over, elements described as "under" other elements would then be described as "over" the other elements. Thus, the exemplary term "lower" includes both upper and lower. The device may be rotated 90 deg. or at other angles and the terminology representing relative space is to be construed accordingly.

Although the terms first, second, etc. may be used herein to connote various elements in some instances, the elements should not be limited by the terms. These terms are only used to distinguish one element from another element. For example, a first interface, a second interface, etc. Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or" and/or "as used herein are to be construed as inclusive, or meaning any one or any combination. Thus, "A, B or C" A, B and/or C "means" any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; A. b and C). An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.

Although not differently defined, including technical and scientific terms used herein, all terms have the same meaning as commonly understood by one of ordinary skill in the art to which this specification belongs. The term addition defined in the commonly used dictionary is interpreted as having a meaning conforming to the contents of the related art document and the current hint, so long as no definition is made, it is not interpreted as an ideal or very formulaic meaning too much.

In view of the problems in the prior art, the present invention provides a SPECT gantry structure including a first connection assembly, at least one second connection assembly, and at least one SPECT probe; the first connecting component comprises a first rotating piece and a first swinging rod, the first end of the first rotating piece is rotatably connected with a mounting plane for mounting the SPECT rack structure, the first rotating piece can rotate in the first plane, the first end of the first swinging rod is in swinging connection with the second end of the first rotating piece, and the first swinging rod can swing in the second plane; the second connecting component comprises a second rotating piece and a second swinging rod, the first end of the second rotating piece is rotatably connected with the second end of the first swinging rod, and the second rotating piece can rotate in a third plane; the first end of the second swinging rod is in swinging connection with the second end of the second rotating piece, and the second swinging rod can swing in a fourth plane; one of the SPECT probes is rotatably coupled to a second end of one of the second swing rods.

The structure of the SPECT gantry structure of the present invention is further described below with reference to the drawings and specific embodiments, it being understood that the various specific embodiments are not limiting the scope of the present invention.

Fig. 1, 2 and 3 are respectively a schematic structural view, a side view and a perspective view of a SPECT gantry structure according to an embodiment of the present invention, the SPECT gantry structure including a first connection assembly, at least one second connection assembly and at least one SPECT probe 4; in actual use, the SPECT gantry structure may also include a removable base 1, and the entire SPECT gantry structure may be mounted to the roof or side walls of the diagnostic room by the removable base 1. Specifically, the first connection assembly includes a first rotating member 21 and a first swinging rod 22, where a first end of the first rotating member 21 is rotatably connected to a mounting plane on which the SPECT frame structure is mounted, and in this embodiment, the first end of the first rotating member 21 may be fixedly connected to the mounting plane of the SPECT frame structure by a spherical connecting rod (not shown in the figure), and an end of the spherical connecting rod facing away from the mounting plane is a spherical end; the first end of the first rotating member 21 is a connecting sleeve structure, and the spherical end of the spherical connecting rod is movably arranged in the connecting sleeve structure. The first rotation member 21 is rotatable in a first plane, which may be a plane parallel to the mounting plane, such as the xy plane of fig. 1. The first plane may also be at an angle to the mounting plane of the SPECT gantry structure, and in theory is not perpendicular to the mounting plane. The rotation angle α of the first rotation member 21 in the first plane may be 360 °, i.e., the rotation of the first rotation member 21 is not limited. In other embodiments, the rotatability of the first rotary member 21 may be achieved by other mechanical arrangements. Meanwhile, in actual use, precise control of the rotation angle α of the first rotary member 21 may be achieved using an electromagnetic controller or the like. The spherical end of the spherical connecting rod can freely rotate in the connecting sleeve by 360 degrees, and the parts connected with the first rotating piece or indirectly connected with the first rotating piece can realize 360-degree random rotation, so that 360-degree rotation of the whole SPECT rack structure is realized. When the SPECT gantry structure of the present invention is used to detect a patient, the SPECT probe 4 can be adjusted according to the position of the patient 9 or according to the site to be examined by the patient 9. The SPECT probe of the present invention is not limited to medical probes of various functions, i.e., the specific application of the SPECT probe of the present invention is not limited to the medical field.

In some embodiments, the first end of the ball-shaped connecting rod, i.e. the end connected to the movable base, is provided with an external or internal thread, and the movable base 1 may be provided with an internal or external thread adapted to the first end of the ball-shaped connecting rod. Realize the detachable connection of mobilizable base and spherical connecting rod through the helicitic texture. In other embodiments, a component of an internal or external thread structure may be mounted on the mounting plane of the SPECT gantry structure, with the SPECT gantry structure being mounted directly by a threaded connection of the ball-shaped connecting rod to the component.

A first end of a first swing lever 22 is swingably connected to a second end of the first rotary member 21, and the first swing lever 22 is swingably provided in a second plane; in the embodiment of fig. 1, the second plane may be a plane perpendicular to the first plane, for example, the yz plane of fig. 1 may be another plane that is at an angle to the yz plane but perpendicular to the first plane, and is not limited herein. For example, the swinging of the first swinging rod 22 may be obtained by a structure that the second end of the first rotating member 21 is provided with two first supporting seats 211, the first rotating shaft 212 is disposed between the two first supporting seats 211, and the first end of the first swinging rod 22 is sleeved on the first rotating shaft 212. The angle at which the first swing lever 22 can swing in the second plane is β, that is, the angle of the first swing lever 22 about the first rotation axis 212, and β is a basic practical requirement of 180 ° in practical application. To control the angle of rotation or oscillation of the first oscillating bar 22, in some embodiments, the SPECT gantry structure further includes a first electromagnetic brake 8, the first electromagnetic brake 8 controlling the angle of rotation (not shown in the figures) of the first shaft 212. Fig. 4 is a schematic structural diagram of an electromagnetic brake according to an embodiment of the present invention, specifically, the first electromagnetic brake 8 is sleeved on the first rotating shaft 212, and after the first electromagnetic brake 8 is powered on, the angle of the first rotating shaft can be controlled by a control switch. Hereinafter, some other rotating shafts may be provided with an electromagnetic brake to control the rotation angle, and the structure and size of the electromagnetic brake may be determined according to the structure and size of the rotating shaft.

The second connection component of the SPECT gantry structure includes a second rotating member 31 and a second swinging rod 32, where a first end of the second rotating member 31 is rotatably connected to a second end of the first swinging rod 22, and the second rotating member 31 can rotate in a third plane, and the third plane can be parallel to the second plane, for example, a yz plane may also be a yz plane. The first end of the second swinging rod 32 is swingably connected to the second end of the second rotating member 31, and the second swinging rod may swing in a fourth plane, which may be perpendicular to the mounting plane of the SPECT gantry structure, such as the fourth plane may be the xz plane, or other plane at an angle to xz but perpendicular to the first plane. One of the SPECT probes 4 is connected to a second end of one of the second swing rods 32.

In the embodiment of fig. 1, the SPECT gantry structure includes two second connection assemblies, i.e., two SPECT probes may be provided. Second rotating shafts 221 are respectively arranged at two sides of the second end of the first swing rod 22; the second rotating shafts 221 on both sides are inverted T-shaped with the first swing lever 22. The first end of each second rotating member 31 is sleeved on one of the second rotating shafts 221. The second rotating shaft 221 may be configured to rotatably drive the second rotating member 31, or the second rotating shaft 221 may be fixed, and the sleeved second rotating member 31 may rotate. The SPECT frame structure further includes a plurality of second electromagnetic brakes 82, and the second electromagnetic brakes 82 may have a similar structure to the first electromagnetic brakes 8, and each of the second electromagnetic brakes 82 is sleeved on the second rotation shaft 221 or the second rotating member 31, so as to control a rotation angle of one of the second rotating members 31, that is, the second electromagnetic brake 82 controls an angle θ at which the second rotating member 31 can rotate in the third plane, and preferably, the angle θ is 360 °. The two SPECT probes 4 can be used simultaneously or independently, so that the scanning angle (movable in the X/Y/Z directions) is increased, and the special detection or scanning scheme is customized for different patients according to different detection requirements.

Likewise, the second end of the second rotating member 31 and the first end of the second swing lever 32 are connected by a third rotating shaft 311. The third rotating shaft 311 may be rotatable to drive the second rotating member 31 to rotate, or the third rotating shaft 311 may be fixed, and the second rotating member 31 may itself rotate. The SPECT gantry structure further includes a third electromagnetic brake 83, the third electromagnetic brake 83 controlling the rotation angle of the second swing lever 32, and the third electromagnetic brake 83 may have a similar structure to the first electromagnetic brake 8. The angle Φ at which the second oscillating bar 32 can oscillate in the fourth plane is preferably 270 °.

In the embodiment of fig. 1, the SPECT gantry structure further includes a mounting box for housing each SPECT probe 4; the mounting box is fixedly connected with the second end of the second swinging rod 32 through a bolt, and at the moment, the mounting box can synchronously move along with the second swinging rod 32 in a space range. In some practical uses, the mounting box is provided with a part rotating in a certain angle, the inner wall of the mounting box is connected with the SPECT probe through the rotating part, and the detection position of the SPECT probe is adjusted through the positioning of the mounting box and the rotating angle of the SPECT probe. In other embodiments, the mounting box may be rotatably connected to the second end of the second swing rod 32, and the structure may take the form of a ball-shaped connecting rod, so that the mounting box itself may be set for 360 ° or rotation in a three-dimensional space. In embodiments with two SPECT probes, the combination of the positioning of the mounting box and the angular adjustment of the rotation of the SPECT probes compensates for the lack of scanning dead zones between the two SPECT probes.

Further, the SPECT frame structure further includes a handle 41, and the handle 41 is disposed in the mounting box. The handle 41 can be used for positioning the mounting box or the SPECT probe 4 therein more flexibly and conveniently, and the electromagnetic controllers can be used for realizing automatic braking and stopping, so that the rotating angles of all the components can be precisely controlled, and the proper space on site and around the detection device can be kept. For manufacturers, the SPECT frame structure reduces the counterweight, wiring and the like used by large-scale equipment, optimizes the process and reduces the production cost; the method is applied to medical detection, and for patients, the non-closed design reduces the occurrence of claustrophobia, and simultaneously enables the patients to relax for detection, so that the method can be better matched with doctors, and the scanning efficiency is improved; from the doctor's perspective, diversified transform scanning has reduced the production of the artifact in the scanning process, improves the diagnostic accuracy greatly, designs into hanging adherence formula, has increased the utilization space of control area, makes this kind of equipment more be favorable to middle and primary hospitals.

The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A SPECT gantry structure comprising a first connection assembly, at least one second connection assembly, and at least one SPECT probe;

2. The SPECT gantry structure of claim 1 wherein the first plane is not perpendicular to a mounting plane of the SPECT gantry structure.

3. The SPECT gantry structure of claim 2 wherein the second plane is perpendicular to the first plane; and/or

The third plane is parallel to the second plane; and/or

4. The SPECT gantry structure of claim 1 wherein the first end of the first rotation member is fixedly connected to the mounting plane of the SPECT gantry structure by a spherical connecting rod, the end of the spherical connecting rod facing away from the mounting plane being a spherical end;

5. The SPECT gantry structure of claim 4 wherein the first end of the ball-shaped connecting rod is an external thread structure or an internal thread structure.

6. The SPECT gantry structure of claim 5 further including a base provided with an internal or external thread structure adapted to the first end of the ball-shaped connecting rod.

7. The SPECT gantry structure of claim 1 wherein the second end of the first rotation member is provided with two first support seats, a first rotation shaft is disposed between the two first support seats, and the first end of the first swing lever is sleeved on the first rotation shaft.

8. The SPECT gantry structure of claim 7 further including a first electromagnetic brake that controls the angle of rotation of the first shaft.

9. The SPECT gantry structure of claim 1 further including two second connection assemblies, the second ends of the first swing link being provided with second shafts on either side thereof;

10. The SPECT gantry structure of claim 9 further including a second electromagnetic brake that controls the angle of rotation of the second rotation member.

11. The SPECT gantry structure of claim 1 wherein the second end of the second swivel and the first end of the second swing lever are connected by a third pivot.

12. The SPECT gantry structure of claim 11 further including a third electromagnetic brake that controls the angle of rotation of the second swing rod.

13. The SPECT gantry structure of claim 1 wherein the first rotation member is rotatable in a first plane by an angle α;