CN110881990A

CN110881990A - CT scanning frame and CT scanning device

Info

Publication number: CN110881990A
Application number: CN201911235304.5A
Authority: CN
Inventors: 王君涛; 任敬轶
Original assignee: Sanovisheng Technology (beijing) Co Ltd
Current assignee: Sanovisheng Technology (beijing) Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-03-17

Abstract

The invention relates to a CT scanning frame and a CT scanning device, which comprise a scanning frame body and a transmission belt wheel arranged in the scanning frame body, wherein the transmission belt wheel is connected with a main rotating bearing, the inner ring of the main rotating bearing is provided with mounting holes distributed circumferentially, the mounting hole is used for connecting a fixed frame, the body of the scanning frame can be conveniently assembled and replaced with the fixed frame by disassembling the mounting hole and the fixed frame, the CT scanning device comprises a CT scanning frame and the fixed frame, the fixed frame is a fixed CT fixed frame or a movable CT fixed frame or a suspended CT fixed frame, the fixed CT fixed frame, the movable CT fixed frame and the suspended CT fixed frame are respectively provided with a mounting ring, the mounting rings are provided with threaded holes matched with the mounting holes, when the CT scanning frame needs to be installed, the CT scanning frame is detached from different types of fixing frames and replaced, and the function that one CT scanning frame is matched with the different types of fixing frames can be achieved.

Description

CT scanning frame and CT scanning device

Technical Field

The invention belongs to the technical field of medical equipment, and particularly relates to a CT scanning frame and a CT scanning device.

Background

A conventional CT scanning system comprises a gantry (containing a rotatable X-ray source and an X-ray detector inside), a scanning bed (containing a horizontally movable table board for supporting a patient to be scanned), an operation console (providing a user operation interface, receiving and storing scanning data, reconstructing and displaying CT tomographic images), and some auxiliary systems. However, the existing CT scanning frames are divided into a fixed CT scanning frame, a movable CT scanning frame and a suspended CT scanning frame, wherein the whole fixed CT scanning frame has a large overall dimension and a very heavy overall weight, while the movable CT scanning frame and the suspended CT scanning frame have relatively small overall dimensions and a relatively light overall weight, so that the requirements of the fixed CT scanning frame, the movable CT scanning frame and the suspended CT scanning frame can not be simultaneously met by one set of mechanical structures on the mechanical structure.

Disclosure of Invention

1. Technical problem to be solved by the invention

The invention aims to solve the problem that the existing CT scanning frame is difficult to meet the use requirements of fixed CT, movable CT and suspended CT at the same time.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the invention discloses a CT scanning frame, which comprises a scanning frame body and a transmission belt wheel arranged in the scanning frame body, wherein the transmission belt wheel is connected with a main rotating bearing, the transmission belt wheel and the main rotating bearing are concentrically arranged, and a circumferential distribution mounting hole is formed in an inner ring of the main rotating bearing and is used for connecting a fixed frame.

Preferably, a bulb and a collimator connected with the bulb are arranged on the scanning frame body, the bulb and the collimator are both arranged on one side, away from the mounting hole, of the scanning frame body, the bulb is arranged on one side, away from the main rotating bearing, of the collimator, and the collimator is used for limiting rays emitted by the bulb.

Preferably, the scanning frame body is further provided with a radiator for radiating heat, the radiator is arranged on one side of the scanning frame body, which is far away from the mounting hole, and the radiator is arranged on one side of the bulb tube.

Preferably, the scanning frame body is further provided with an electronic assembly, and the electronic assembly is arranged on one side, far away from the mounting hole, of the scanning frame body.

Preferably, the scanning frame body is further provided with a driving motor, the driving motor is used for driving the transmission belt pulley to rotate relative to the main rotating bearing, and the driving motor is arranged on one side, far away from the mounting hole, of the scanning frame body.

Preferably, the scanning frame body is further provided with a detector, the detector is used for detecting scanning conditions, and the detector is arranged on one side, far away from the mounting hole, of the scanning frame body.

Preferably, the scanning frame body is further provided with a high voltage generator, the high voltage generator is electrically connected with the bulb tube, the high voltage generator is used for generating stable high-frequency inverted direct current high voltage with enough power to be supplied to the bulb tube, and the high voltage generator is arranged on one side, far away from the mounting hole, of the scanning frame body,

Preferably, the detector and the bulb are symmetrically arranged on two sides of the scanning frame body.

Preferably, the transmission belt wheel is connected with the driving motor through a transmission belt, and the transmission belt is sleeved on the transmission belt wheel.

The utility model provides a CT scanning device, includes the above CT scan frame and mount, the mount is fixed CT mount or portable CT mount or suspension type CT mount, fixed CT mount, portable CT mount and suspension type CT mount all are equipped with the collar, the size of collar with the size looks adaptation of main swivel bearing inner ring, be equipped with on the collar with the screw hole of mounting hole looks adaptation, the mounting hole passes through screw connection with the screw hole.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:

the CT scanning frame and the CT scanning device comprise a scanning frame body and the transmission belt wheel arranged in the scanning frame body, wherein the transmission belt wheel is connected with the main rotating bearing, the transmission belt wheel and the main rotating bearing are concentrically arranged, the inner ring of the main rotating bearing is provided with the mounting holes distributed in the circumferential direction, the mounting holes are used for connecting the fixing frame, and the scanning frame body can be conveniently assembled and replaced with the fixing frame through the dismounting of the mounting holes and the fixing frame, so that the replacement efficiency of the scanning frame body is improved, and the time is saved. CT scanning device, including foretell CT scan rack and mount, the mount is fixed CT mount or portable CT mount or suspension type CT mount, fixed CT mount, portable CT mount and suspension type CT mount all are equipped with the collar, the size of collar and the size looks adaptation of main swivel bearing inner ring, be equipped with the screw hole with mounting hole looks adaptation on the collar, the mounting hole passes through screw connection with the screw hole, when needs install the CT scan rack, only need with the CT scan rack from the mount of different types dismantle change just can, realize the function of the mount looks adaptation of a CT scan rack and different grade type.

Drawings

FIG. 1 is a schematic structural diagram of a CT gantry of the present invention;

FIG. 2 is a rear view of a CT gantry of the present invention;

FIG. 3 is a schematic view of a CT scanning frame and a fixed CT fixing frame according to the present invention;

FIG. 4 is a schematic view of a CT scanning frame and a mobile CT fixing frame according to the present invention;

fig. 5 is a schematic view illustrating the installation of a CT scanner and a suspension CT fixing frame according to the present invention.

The reference numerals in the schematic drawings illustrate:

100. a gantry body; 110. a bulb tube; 120. a collimator; 130. a heat sink; 140. an electronic component; 150. a drive motor; 160. a detector; 170. a high voltage generator; 180. a drive pulley; 181. a main rotary bearing; 182. mounting holes; 190. a transmission belt; 200. a mounting ring; 300. a fixed CT fixing frame; 400. a movable CT fixing frame; 500. a suspension type CT fixing frame.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Referring to fig. 1 to 5, the CT scanner according to the embodiment includes a scanner body 100 and a driving pulley 180 disposed in the scanner body 100, the driving pulley 180 is connected to a main rotating bearing 181, the driving pulley 180 and the main rotating bearing 181 are concentrically disposed, and the driving pulley 180 and the main rotating bearing 181 rotate synchronously. The inner ring of the main rotating bearing 181 is provided with the mounting holes 182 which are distributed circumferentially, the mounting holes 182 are used for connecting the fixing frame, and the scanning frame body 100 can be conveniently assembled and replaced with the fixing frame through the mounting holes 182 and the fixing frame, so that the replacement efficiency of the scanning frame body 100 is improved, and the time is saved. The fixing frame is provided with a mounting ring, and the mounting ring is provided with a threaded hole matched with the mounting hole 182. The fixing frames are provided with a plurality of types, the fixing frames with the same size are provided with mounting rings, and the inner ring of the main rotary bearing 181 is provided with mounting holes 182 which are distributed in the circumferential direction and are connected with the fixing frames with different types, so that the function of adapting the CT scanning frame with the fixing frames with different types is realized.

The gantry body 100 of this embodiment is provided with a bulb 110 and a collimator 120 connected to the bulb 110, the bulb 110 and the collimator 120 are both disposed on a side of the gantry body 100 away from the mounting hole 182, the bulb 110 is disposed on a side of the collimator 120 away from the main rotation bearing 181, the collimator 120 is configured to limit rays emitted by the bulb 110, and when the rays emitted by the bulb 110 pass through the collimator 120, a transmission direction is limited by the collimator 120.

The gantry body 100 of this embodiment is further provided with a heat sink 130 for dissipating heat, the heat sink 130 is disposed on a side of the gantry body 100 away from the mounting hole 182, the heat sink 130 is disposed on a side of the ball tube 110, when the CT gantry works, since the ball tube 110 generates a large amount of heat, when the heat is too high, the ball tube 110 and other electronic devices on the CT gantry may be damaged, and the heat sink 130 dissipates the heat generated by the ball tube 110, so that the temperature of the CT gantry is kept within a safe range, and the ball tube 110 and other electronic devices on the CT gantry may not be damaged.

The gantry body 100 of this embodiment is further provided with an electronic component 140, the electronic component 140 is disposed on a side of the gantry body 100 away from the mounting hole 182, and the electronic component 140 is used for controlling other electronic devices on the gantry body 100 and performing signal transmission.

The scanning frame body 100 of this embodiment is further provided with a driving motor 150, the driving motor 150 is used for driving the driving pulley 180 to rotate relative to the main rotating bearing 181, the driving motor 150 is arranged on one side of the scanning frame body 100 far away from the mounting hole 182, the driving pulley 180 is connected with the driving motor 150 through a conveyor belt 190, and the conveyor belt 190 is sleeved on the driving pulley 180. When the driving motor 150 rotates, the driving motor 150 drives the conveyor belt 190 to move, and the conveyor belt 190 moves to drive the driving pulley 180 to move.

The gantry body 100 of this embodiment is further provided with a detector 160, the detector 160 is used for detecting a scanning condition, the detector 160 is disposed on one side of the gantry body 100 away from the mounting hole 182, and the detector 160 and the bulb 110 are symmetrically disposed on two sides of the gantry body 100. The detectors 160 are of two types, one is a detector that collects fluorescence light, called a scintillation detector, also called a solid detector, and one is a detector that collects gas ionization charges, called a gas detector. It collects the electrons and ions produced by ionization and records the voltage signal produced by their charge, in this embodiment a scintillation detector.

The gantry body 100 of this embodiment is further provided with a high voltage generator 170, the high voltage generator 170 is electrically connected to the bulb tube 110, the high voltage generator 170 is configured to generate a stable high-frequency inverted direct current high voltage with sufficient power to be supplied to the bulb tube 110, and the high voltage generator 170 is disposed on one side of the gantry body 100 away from the mounting hole 182.

Example 2

The utility model provides a CT scanning device, includes the aforesaid CT scan frame and mount, the mount is fixed CT mount 300 or portable CT mount 400 or suspension type CT mount 500, fixed CT mount 300, portable CT mount 400 and suspension type CT mount 500 all are equipped with collar 200, collar 200's size with the size looks adaptation of main swivel bearing 181 inner ring, be equipped with on collar 200 with the screw hole of mounting hole 182 looks adaptation, mounting hole 182 passes through screwed connection with the screw hole.

All be equipped with the collar 200 that the size is the same on fixed CT fixed 300, portable CT mount 400 and the suspension type CT mount 500, when needs installation scanning frame body 100, only need with scanning frame body 100 from the mount of different types dismantle change just can, realize the function of the mount looks adaptation of a scanning frame body 100 and different grade type.

The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A CT gantry, comprising: including scan frame body (100) and set up driving pulley (180) in scan frame body (100), driving pulley (180) are connected with main rotating bearing (181), driving pulley (180) and main rotating bearing (181) set up with one heart, be equipped with mounting hole (182) that circumference distributes on main rotating bearing (181) inner ring, this mounting hole (182) are used for connecting the mount.

2. A CT gantry according to claim 1, wherein: be provided with bulb (110) and collimator (120) be connected with bulb (110) on scan frame body (100), bulb (110) with collimator (120) all set up in scan frame body (100) keep away from one side of mounting hole (182), bulb (110) set up in collimator (120) keep away from one side of main swivel bearing (181), collimator (120) are used for injecing the ray that bulb (110) sent.

3. A CT gantry according to claim 1, wherein: the scanning frame body (100) is further provided with a radiator (130) used for radiating heat, the radiator (130) is arranged on one side, away from the mounting hole (182), of the scanning frame body (100), and the radiator (130) is arranged on one side of the bulb tube (110).

4. A CT gantry according to claim 1, wherein: the scanning frame is characterized in that an electronic component (140) is further arranged on the scanning frame body (100), and the electronic component (140) is arranged on one side, far away from the mounting hole (182), of the scanning frame body (100).

5. A CT gantry according to claim 1, wherein: the scanning frame body (100) is further provided with a driving motor (150), the driving motor (150) is used for driving the transmission belt pulley (180) to rotate relative to the main rotating bearing (181), and the driving motor (150) is arranged on one side, far away from the mounting hole (182), of the scanning frame body (100).

6. A CT gantry according to claim 2, wherein: the scanning frame body (100) is further provided with a detector (160), the detector (160) is used for detecting scanning conditions, and the detector (160) is arranged on one side, away from the mounting hole (182), of the scanning frame body (100).

7. A CT gantry according to claim 2, wherein: the high-voltage power supply device is characterized in that the scanning frame body (100) is further provided with a high-voltage generator (170), the high-voltage generator (170) is electrically connected with the bulb tube (110), the high-voltage generator (170) is used for generating stable high-frequency inverted direct current high voltage with sufficient power to supply the bulb tube (110), and the high-voltage generator (170) is arranged on one side, far away from the mounting hole (182), of the scanning frame body (100).

8. A CT gantry according to claim 6, characterized in that: the detector (160) and the bulb tube (110) are symmetrically arranged on two sides of the scanning frame body (100).

9. A CT gantry according to claim 5, characterized in that: the driving belt wheel (180) is connected with the driving motor (150) through a conveying belt (190), and the conveying belt (190) is sleeved on the driving belt wheel (180).

10. A CT scanning apparatus comprising the CT scanning gantry and the fixed gantry of any one of claims 1 to 9, wherein the fixed gantry is a fixed CT fixed gantry (300) or a movable CT fixed gantry (400) or a suspended CT fixed gantry (500), the fixed CT fixed gantry (300), the movable CT fixed gantry (400) and the suspended CT fixed gantry (500) are respectively provided with a mounting ring (200), the size of the mounting ring (200) is matched with the size of the inner ring of the main rotating bearing (181), the mounting ring (200) is provided with a threaded hole matched with the mounting hole (182), and the mounting hole (182) is connected with the threaded hole through a screw.